MICAFIL RIP Transformer Bushings AirRIP / RTKF kv

Transcription

1 INSULATION AND COMPONENTS MICAFIL RIP Transformer Bushings AirRIP / RTKF kv MICAFIL AirRIP bushings offer an extended service life combined with enhanced reliability and safety to ensure the maximum availability of transformer assets. Over years of experience is incorporated in a range of standard and customized products with the flexibility to suit different customer applications. Their high performance design is partial discharge free up to double of the nominal phase to ground service voltage. MICAFIL RIP Transformer Bushings AirRIP / RTKF kv

2 MICAF IL TR AN S FO RME R B U S H IN GS AIRRIP / RTKF KV ABB MICAFIL RIP bushings MICAFIL bushings combine functionality, high performance and long service life. The optimized solutions are based on our long-term, trustworthy partnerships with customers and our u nderstanding of their needs. With proven components and a variety of designs, our new AirRIP series meets customer-specific requirements. To date, our factory in Zurich Altstetten has d elivered more than, bushings. The world s leading transformer manufacturers and electric power utilities rely on us. With the new MICAFIL AirRIP series, we will continue to live up to our reputation. Contents Today s technology for tomorrow The AirRIP bushing in detail 6 Choice of Choice of current conductor 8 General information 9 Enquiry data sheet AirRIP overview AirRIP bushings kv Data for types with cable conductor Data for types with rod conductor 9 Data for types with fixed conductor AirRIP bushings kv Data for types with cable conductor Data for types with rod conductor Data for types with fixed conductor Other ABB MICAFIL RIP bushings

3 MICAFIL TRANSFORMER BUSHINGS AIRRIP / RTKF KV Today s technology for tomorrow The AirRIP bushing in detail MICAFIL AirRIP outdoor transformer bushings are the product of a sophisticated design process, using a minimal number of components: fine-graded insulating core, main flange, insulating envelope and current conductor. They are produced in a wide variety of designs that can easily fulfil specific customer requirements. AirRIP bushings are completely dry, pressurized, explosion-proof, and fire-resistant, and withstand high application temperatures. RIP insulation Capacitor bushings enable control of electric field distribution in radial and axial directions by inserting conductive layers in the insulating core. The insulating core of the RIP (Resin Impregnated Paper) system consists of wound strips of crepe paper. Aluminium foils of graduated lengths are wrapped at exactly calculated points. The wrap is heated, vacuum dried, and impregnated and cured under vacuum with an epoxy resin formulated by ABB. The impregnation process requires the skilful setting and control of process parameters, as well as broad knowledge and experience in the field of materials science and materials selection. ABB has developed its expertise over decades, and gained market experience as first-class supplier. The result is RIP bushings with very good thermal and chemical resistance and high mechanical strength and stiffness. Dry bushings In line with our product philosophy of compact design and dry bushing (neither liquid-filled nor liquid-insulated), the space between the major insulation and insulating envelope is filled with the time-tested MICAGEL dry filler. MICAGEL is poured in a liquid form into the bushing and becomes compressible and dry after curing. Outer insulation Porcelain has proved its worth as a material for outer insulation over decades. More recently, composite hollow s have gained market maturity as an alternative material. These silicone composite s offer reduced weight, easier handling, and explosion safety characteristics. We can offer AirRIP bushings with silicone composite s as well as with traditional porcelain s. AirRIP stands for quality and versatility High-voltage bushings must meet the highest standards of operational safety, and minimize risk of for people and property. Growing environmental awareness and regulation requires low-impact production and clean operation. The MICAFIL AirRIP series meets these requirements thanks to high-quality materials and reliable processing techniques. ABB maintains high technical standards, and regularly reviews development and manufacturing processes. We ensure high product quality through comprehensive testing during production and in the electrical testing laboratory. Advantages of MICAFIL AirRIP technology Partial discharge-free up to double service voltage High temperature resistance (class E, C) Low dielectric losses (tan δ. %) High flexural strength heavy load according to IEC 6 () Completely dry bushing, meaning no oil spills and no explosion risk No maintenance or constant monitoring necessary Transport and storage is possible in all positions Flexible design allows for adaptation to different customer needs and transformer requirements. DA The bushing in principle (for example: bushing for cable conductor) Insulating core Tap The heart of the AirRIP bushing is its RIP insulating core, with capacitor inlays for electric field control. The production of RIP is based on time-tested and proven technology. Complex production processes compress the material into a compact, liquid- and gas-tight insulating core, which complies with current partial discharge and temperature requirements. To accommodate current transformers, the lower core part can be extended in steps of mm up to mm. The short oil side is consistent with our proven and balanced dimensioning, and optimizes the strength of the interface between the insulating core and transformer oil. These dimensions also guarantee a high level of interchangeability with older bushing types. Current conductor terminal with de-aeration of central tube Head with clamp for conductor Dry filling MICAGEL RIP insulating core with capacitor control and central tube Porcelain or silicon composite Flange with test tap and transformer de-aeration (DA) Bolted flange plate Sub-section extension for current transformers Oil side shield Flange and The is the supporting part of the bushing and takes over the mechanical loads with the two integrated fittings, head and flange. The flange not only holds the insulating core, it also forms the lower fitting of the. With a multiple O-ring system, the transition between core and flange is oil-and gas-tight. The aluminium alloy used for this purpose is corrosion-resistant and mechanically robust. This ensures safe handling of bending moments during operation or in bending test loads. The whole series is designed and type-tested in accordance with the highest bending load class of IEC 6 (). The standard flange plate bolt circles conform to currently common dimensions, although variations can easily be implemented. The flange is equipped with a test tap and has an opening (M) with a closure screw that can be used to de-aerate the transformer or as a connector for a Buchholz relay. Also mounted on the flange are: identification tag, connection thread M for flange earthing and, with larger bushings, eyebolts for lifting purposes. The head of the bushing closes the bushing and carries the current conductor fixing. The kv and kv bushings have a separate shield to avoid external corona discharges. The shape of the opening ensures that no shield electrodes are required up to kv. We offer shielding as a variant. From kv, depending on current conductor version, either fixed shields (cable conductors) or removable shields (rod conductor and fixed conductor) are used, which are attached to the end of the bushing. They prevent the excessive use of transformer oil and facilitate the assembly of the conductor insulation beneath the bushing. ABB's shield electrodes are dimensioned using state-of-theart methods and their surface is provided as standard with a high-quality solid insulation layer. Please note our installation recommendations.

4 6 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV Choice of Choice of current conductor The choice of type has no influence on the performance of the bushing. Please note corresponding weights as well as head and shed diameters for each type. Silicone composite s made of glass fibrereinforced tube with helical or straight sheds Hydrophobicity, and the ability to transfer these properties to foreign layers as well, is the most important value-added feature of these s. They offer many advantages: Excellent contamination behavior due to hydrophobic surface properties and low leakage currents Improved safety for personnel and equipment Lower weight. The helical shed is the result of intensive development efforts at ABB. Outstanding results in tough long-term pollution tests have proved their quality (certificates available on request). Insulators with conventional straight sheds complement our product range. Composite with silicone sheds: Helical sheds Straight sheds Standard kv Standard. kv Optional kv Porcelain s made of high-quality electrical porcelain, brown and grey High-quality electrical porcelain an excellent, proven material over decades is available in the standard color brown and alternatively in light grey. Creepage distances All types of insulation are made with alternate shed profiles. Creepage distances are measured for the high pollution requirements of IEC 68: Bushings Ur class SCD USCD Up to kv very heavy mm/kv. mm/kv kv heavy mm/kv. mm/kv SCD: specific creepage distance USCD: unified specific creepage distance SCD: mm/kv, USCD:. mm/kv available on request These long creepage distances ensure optimum dielectric strength, even under extreme environmental conditions. Porcelain : Brown Standard (all voltages) Grey Optional (all voltages) The rated current is the starting point for choosing the type of conductor. However, current levels of conductor types partially overlap and can be selected according to individual preferences. Please follow the appropriate icons when making your choice. Low currents with cable conductor LC Low currents with cable conductor The current is led through a multi-stranded flexible conductor, joined to the terminal of the winding. The lead is drawn up through the central tube of the bushing and provided with the top connector (cable bolt) that is fastened to the bushing head. In the standard model, the air side terminal is a round, bare copper bolt. As an option, the surfaces can be silver- or nickel-plated, and other terminal sizes can be selected. To avoid unnecessary contact junctions, the draw lead bolt is of a single-piece design. A tried-and-tested fixing device with few parts ensures that no inadvertent displacement in axial direction or twisting is possible. It also allows positioning of the cable bolt to within ± mm from nominal dimensions. Transformer manufacturers must provide the conductor cable with a thin insulation in order to keep transient voltages to the central bushing tube. Maximum allowable drilling depth and hole diameter of standard cable bolt: Medium currents with removable rod conductor Tube Cable bolt Max. hole Max. hole diameter d diameter diameter depth [mm] B [mm] A [mm] C [mm] MC LC High currents with fixed conductor 8 T- T- 6 6 T- 8 T- 9 9 T- HC Medium currents with removable rod conductor For improved current utilization, the bushing with central tube is equipped with a removable copper conductor rod. In the standard model, the air side terminals are bare. As an option, the surfaces can be silver- or nickel-plated, and the shapes of the terminals can be selected. The rod conductor can be fitted with a joint, usually near the flange. Various terminal shapes are available for the lower end. Conductor installation and de-aeration of the central tube are similar in both the version with rod conductor and with cable conductor. Please note: The rod conductor is a separate component and must be selected separately. High currents with fixed conductor Bushings with a directly wound and non-removable conductor are suitable for high currents. Various terminal solutions are available (see data tables and figures). Current data The type designation of the bushings contains the standard current according to IEC 6 (). The actual per mis sible operating currents depend on the lower part extension, and are shown in the data tables. Air side terminal The standard air side terminal mentioned in the data tables covers the entire current range of the bushing. Guidelines for the dimensions of air side terminals: Maximum permissible d Length c operating current (A), 8,,, 6, flat 9 thickness If the full current range of the bushing is not utilized, smaller dimensions may be used as an option, as long as the above rules are observed. HC MC Recommended Option De-areation hole C = T mm T = Length of cable bolt diameter Overload If overload capacity is required for the transformer, according to IEC 6- (normal load cycles), the rated current of the bushing should be chosen with at least % of the transformer-rated current, in accordance with IEC 6 (). A B

5 8 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV 9 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV General information Enquiry data sheet AirRIP overview LC MC HC Each AirRIP bushing meets all requirements of IEC 6 () and the electrical values under IEEE C.9. (). Recommended installation Our bushings are designed and tested for mineral oil appli cations. The field strengths in oil on the lower part of the bushing depend on the shape of the surrounding parts, as well as on the quality and condition of the transformer oil. As a guideline, the following table shows the respective distances A Min. R A to grounded transformer parts under standard conditions. They are valid for the oil side ends (standard and variants) as per the data tables. Due to limiting conditions additional insulating measures or larger distances may be necessary. Uninsulated edges around the bushing should be rounded to R min = mm. The diameter of the current conductor should be at least half of the inner tube diameter d. Oil access in the central bushing opening and in the open space of the shield electrodes must not be obstructed. Minimum distances A [mm] to transformer tank Fig. Fig. Fig. Ur AC test voltage Shield diameter d6 [kv] [kv] Type designation RTKF / B KSI Composite B = Removable conductor bar F = Fixed conductor Rated current (A) Lightning impulse voltage./ µs (kv) Maximum voltage (kv) R = RIP bushing T = Transformer application K = Short lower part F = Outdoor use Test tap Each bushing is equipped with a standard test tap. The test tap is connected to the outermost capacitor foil and is always grounded during operation. For measurement, the cap must be unscrewed and the supplied mm plug coupling must be inserted. As an option ABB provides transition connectors for continuous voltage measurements. Routine and type tests The standard routine tests are carried out in accordance with IEC 6 () and the protocols are supplied; tests according to other standards are available on request. The type tests were performed on representative bushings in accordance with current standards IEC 6 (), and IEEE C.9. () / C.9. (). These tests cover the entire AirRIP portfolio and were successfully passed in the presence of an independent observer from KEMA. Protocols can be supplied to customers on request. Packaging and storage The bushings are packaged and sent in a dry and clean state. On request, we offer long-life packaging. The bushings can be transported and stored without the constraints on orientation that liquid-filled or liquid-insulated bushings have. When making your enquiry please specify the following: Type: Drawing no: ZCD 6 Quantity: Current conductor Cable bolt for draw lead Rod conductor Fixed conductor Air side terminal Dimensions: Galvanization: Standard Bare Variant * Silver-plated Variant * Nickel-plated Removable rod conductor Rod conductor, one-piece Rod conductor, split Oil side terminal: Standard Variant Variant Silicone comp. Porcelain Helical sheds ( kv) Brown Straight sheds Grey Flange pitch circle Standard Variant * Current transformer extension (mm) Standard Variant * Variant * * If available Routine types and tests IEC Standard IEEE Standard Ambient temperature Creepage distance Voltage kv 6 kv kv. kv kv kv kv kv kv kv kv Our order confirmation includes drawings of the bushing and a detailed bushing data sheet. Custom modifications Current 8 A, A, A, A, A, A, A A A Company name Name / First name Phone End customer name Country of installation Project name On request, ABB can make custom modifications in areas such as flange dimensions, terminal variants, other lower part lengths and applications for other oils than mineral oil. We are happy to provide information on feasibility, price and delivery time of such custom modifications. Note We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB Switzerland Ltd does not accept any responsibility whatsoever for potential errors or possible lack of information in this document. We reserve all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure to third parties or utilization of its contents in whole or in parts is forbidden without prior written consent of ABB Switzerland Ltd. Copyright ABB. All rights reserved. ABB Switzerland Ltd Insulation and Components, MICAFIL Bushings, Badenerstrasse 8, CH-88 Zurich, Switzerland Phone: info.micafil@ch.abb.com abb.com/electricalcomponents Um BIL SIL Ir (A) Ir (A) Drawing no: ZCD Ir (A) Drawing no: ZCD kv kv kv mm n.a. n.a. n.a. 6 n.a. 6 n.a. 6 n.a. n.a. n.a. n.a.. n.a.. n.a.. n.a. n.a. n.a. 6 n.a. 6 n.a. n.a. n.a Cable conductor Data pages Data pages 6 Rod conductor Data pages 8 Data pages Silicone composite Porcelain Fixed conductor Data pages 9 Data pages Silicone composite Porcelain

6 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV AIRRIP BUSHINGS KV TYPES WITH CABLE CONDUCTOR AirRIP bushings kv Types with cable conductor LC Explanations of the table columns Bushings with cable conductor kv Data for bushings with cable conductor kv All dimensions in mm, unless otherwise indicated 6 Rated voltages according to IEC 6 () Rated voltages according to IEEE C.9. (), Maximum operating current Ir for the largest cable cross-section, depending on the current transformer extension Maximum thermal short-circuit current, sec, after operation at maximum operating current 6 Bending test load, min, 8 Maximum cantilever operating load and permissible installation position (v = vertical, h = horizontal, from vertical) Standard current transformer extension Inner diameter of the central tube ( d) 8, 9 Maximum head and shed diameter for silicone composite, Maximum head and shed diameter for porcelain, Sealing area Bushing length L, without air side terminal and oil side shield, Standard terminal on air side, Optional terminal on air side, 6 Standard design of oil side end, Optional design of oil side end Fig. Fig. c Flange Fig. Fig. ± L (±) L cable bolts D D d 6 6 d Fig. D D c ± L (±) 8. Fig. Fig. Fig. c d c L cable bolts Fig d6 c a 9 8 b 9 d D D c d s Legend Copper, bare (optional: nickel-plated, silver-plated) Test tap De-aeration Earthing screws M / 8 6 Sealing area Removability (for connecting the transformer lead) Current transformer extension Flange detail 6 n v D D8 Fig d6 c a 8 b 6 c Type and drawing Electrical characteristics Current Insulator Mechanical design Weights Oil side Air side Flange Air side terminal data IEC 6 () IEEE C.9.() Standard Variant Standard Variant Variant With silicone composite RTKF / KSI ZCD6 RTKF / KSI ZCD6 RTKF / KSI ZCD6 RTKF 6 KSI ZCD6 RTKF 6 KSI ZCD6 RTKF 6 KSI ZCD66 RTKF / KSI ZCD6 RTKF / KSI ZCD68 RTKF / KSI ZCD69 RTKF. / KSI ZCD6 RTKF. / KSI ZCD6 RTKF. / KSI ZCD6 RTKF /8 KSI ZCD6 RTKF / KSI ZCD6 RTKF 6/ KSI ZCD6 RTKF 6/ KSI ZCD66 RTKF /8 KSI ZCD6 RTKF / KSI ZCD68 With porcelain RTKF / ZCD6 RTKF / ZCD6 RTKF / ZCD6 RTKF 6 ZCD6 RTKF 6 ZCD6 RTKF 6 ZCD66 RTKF / ZCD6 RTKF / ZCD68 RTKF / ZCD69 RTKF. / ZCD66 RTKF. / ZCD66 RTKF. / ZCD66 RTKF /8 ZCD66 RTKF / ZCD66 RTKF 6/ ZCD66 RTKF 6/ ZCD666 RTKF /8 ZCD66 RTKF / ZCD668 Rated Voltage Um Phase to ground Um/./ µs System voltage Rated line-to-ground voltage./ µs Maximum operating current (in respect to CT extension ) With copper cable section S Thermal short-time current Ith sec. Creepage distance (minimum) Arcing distance (minimum) Cantilever test load, min. Cantilever operating load Installation (v = vertical, h = horizontal, from vertical) With silicone composite With porcelain Current transformer extension Lower core length (tolerance ± mm) Core diameter Inside tube diameter Terminal: distance from the flange plate (tolerance ± mm) [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [A] [mm ] [ka] [mm] [mm] [N] [N] [kg] [kg] L 6 L 6 D d L L L D D6 D D6 D D D D8 n v s Fig L d c d c d Fig d Fig d Fig / / / / / / 6 / / 6 / / 6 / / / 9 / / 9 / / 9 /. / /. / /. / / / / / / 8 / / 8 / / 98 / / 98 / / 6 6 / / 6 6 / / 6 6 / /. 8 / /. 8 / /. 8 / / 6 9 / 9 / 6 9 / 9 / 6 9 / 9 / 69 6 / / 69 6 / / 69 6 / / 9 TR 9 TR / / / / / / / / 6 6 / / 6 6 / / Ith sec. [ka] =. S [mm ] if S = mm Ith sec. [ka] =. S [mm ] if S = 8 mm v h 8 v h 8 v h v h 6 v h v h v h v h v h 6 Ith sec. [ka] =.6 S [mm ] if S mm Ith sec. [ka] =. S [mm ] if S = mm 8 6 v h 8 6 v h v h v h v h v v h 9 8 v 6 v h Cable bolt: distance from the flange plate Height of head (maximum) Head diameter (with silicone composite ) Max. shed diameter (with silicone composite ) Head diameter Max. shed diameter Pitch circle diameter Outside flange diameter Sealing area: min. diameter Sealing area: diameter Number of holes Hole diameter Flange plate thickness Bushing length, without air side terminal and lower shield a a a 8 b a 6 b 8 b a b b c 8 b b a c 8 b b a c

7 MICAFIL TRANSFORMER BUSHINGS AIRRIP / RTKF KV 6 AIRRIP BUSHINGS KV TYPES WITH ROD CONDUCTOR 8 AirRIP bushings kv Types with rod conductor MC Determination of the rod conductor Bushings with rod conductor kv Data for bushings with rod conductor kv All dimensions in mm, unless otherwise indicated Air side terminal Standard terminals as per columns 9/, variants as per columns /. Guidelines for the terminal dimensions: Max. operating current (A) d c, 8,,, 6, flat 9 thickness Optional splitting of the rod conductor Determine whether the rod conductor should be split or not. Rod conductors are split mm below the base plate and have the following characteristics: d * screws length e 8 M8 8 M 6 6 M 8 M 9 6 M * See column of the data table Oil side terminal d * Standard Var. Var. flat thread round thickness holes a n g thread c d c 8 M M * See column of the data table L: Bushing length, without airside terminal and lower shield, see column 8 of the data table d c c L 9 a a L In = A a Standard: flat a Var. : thread dg e g dg c g Var. : round c ⁰ ⁰ d g g d c c Fig. Fig. c ± L (±) Flange d Fig. c c c d ± L (±) Fig. Fig. Fig. D D Fig. d 6 6 D D 8. Fig d6 c a 8 b 6 c 8 d D D s Legend Copper, bare (optional: nickel-plated, silver-plated) Test tap De-aeration Earthing screws M / 8 6 Sealing area Removability (for connecting the transformer lead) Current transformer extension Flange detail 6 n v D D Type and drawing Electrical characteristics Current Insulator Mechanical design Weights Oil side Air side Flange Air side terminal data IEC 6 () IEEE C.9. () Standard Variant Standard Variant Variant With silicone composite RTKF / B KSI ZCD6 RTKF / B KSI ZCD6 RTKF / B KSI ZCD6 RTKF 6 B KSI ZCD6 RTKF 6 B KSI ZCD6 RTKF 6 B KSI ZCD66 RTKF / B KSI ZCD6 RTKF / B KSI ZCD68 RTKF / B KSI ZCD69 RTKF. / B KSI ZCD6 RTKF. / B KSI ZCD6 RTKF. / B KSI ZCD6 RTKF / B KSI ZCD6 RTKF / B KSI ZCD6 RTKF 6/ B KSI ZCD6 RTKF 6/ B KSI ZCD66 RTKF / B KSI ZCD6 RTKF / B KSI ZCD68 With porcelain RTKF / B ZCD6 RTKF / B ZCD6 RTKF / B ZCD6 RTKF 6 B ZCD6 RTKF 6 B ZCD6 RTKF 6 B ZCD66 RTKF / B ZCD6 RTKF / B ZCD68 RTKF / B ZCD69 RTKF. / B ZCD66 RTKF. / B ZCD66 RTKF. / B ZCD66 RTKF / B ZCD66 RTKF / B ZCD66 RTKF 6/ B ZCD66 RTKF 6/ B ZCD666 RTKF / B ZCD66 RTKF / B ZCD668 Rated Voltage Um Phase to ground Um/./ µs System voltage Rated line-to-ground voltage./ µs Maximum operating current (in respect to CT extension ) Thermal short-time current Ith sec. Creepage distance (minimum) Arcing distance (minimum) Cantilever test load, min. Cantilever operating load Installation (v = vertical, h = horizontal, from vertical) With silicone composite With porcelain Current transformer extension Lower core length (tolerance ± mm) Core diameter Inside tube diameter Terminal: distance from the flange plate (tolerance ± mm) [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [A] [A] [mm] [mm] [N] [N] [kg] [kg] L 6 L 6 D d L L D D6 D D6 D D D D8 n v s Fig L d c d c d Fig d Fig d Fig / 6 6 / / 6 6 / / 6 6 / 6 /. 8 / 8 6 /. 8 / 6 /. 8 / 8 8 / / 9 / / 9 8 / / 9. / 69 6 / 8. / 69 6 / 6 8. / 69 6 / 8 / 9 TR / 6 / 9 TR / / / / / / 6 6 / 6 98 / 6 6 / 8 6 Ith sec. = Ir v h 9 v h 8 v h v h 6 v h v h v h v h v h v h v h v h 8 8 v h v h 9 v 9 v h v v h Height of head (maximum) Head diameter (with silicone composite ) Max. shed diameter (with silicone composite ) Head diameter Max. shed diameter Pitch circle diameter Outside flange diameter Sealing area: min. diameter Sealing area: diameter Number of holes Hole diameter Flange plate thickness Bushing length, without air side terminal and lower shield F F b b c b a c 8 b a c

8 9 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV AIRRIP BUSHINGS KV TYPES WITH FIXED CONDUCTOR AirRIP bushings kv Types with fixed conductor HC Explanations of the table columns Bushings with fixed conductor kv Air side Data for bushings with fixed conductor kv All dimensions in mm, unless otherwise indicated 6 Rated voltages according to IEC 6 () Rated voltages according to IEEE C.9. () Maximum operating current Ir as a function of, 8 Maximum head and shed diameter for porcelain, Sealing area Fig. Fig. d c c d In = A d Type and drawing Electrical characteristics Current Insulator data Mechanical design Weights Oil side Air side Flange Air side terminal IEC 6 () IEEE C.9. () Standard Standard Standard Variant Oil side terminal the current transformer extension Maximum thermal short-circuit current, sec, after operation at maximum operating current Bending test load, min 6, Maximum cantilever operating load and permissible installation position (v = vertical, h = horizontal, from vertical), 6 Maximum head and shed diameter for silicone composite Bushing length L, without air side terminal and oil side shield 8, 9 Standard terminal on air side, Standard design of oil side terminal, Standard design of oil side end, Optional design of oil side end ± L (±) ± L (±) Fig. c L With silicone composite RTKF / F KSI ZCD66 RTKF / F KSI ZCD6 RTKF / F KSI ZCD68 With porcelain RTKF / F ZCD66 RTKF / F ZCD6 RTKF / F ZCD68 Rated Voltage Um Phase to ground Um/./ µs System voltage Rated line-to-ground voltage./ µs Maximum operating current (in respect to CT extension ) Thermal short-time current Ith sec. Creepage distance (minimum) Arcing distance (minimum) Cantilever test load, min. Cantilever operating load Installation (v = vertical, h = horizontal, from vertical) With silicone composite With porcelain Current transformer extension Lower core length (tolerance ± mm) Core diameter Terminal: distance from the flange plate (tolerance ± mm) [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [A] [A] [mm] [mm] [N] [N] [kg] [kg] L 6 L 6 D L L D D6 D D6 D D D D8 n v s Fig L d c d Fig d Fig d Fig / 6 6 / 6 / 6 6 / 8 / 6 6 / v h v h 9 v h Height of head (maximum) Head diameter (with silicone composite ) Max. shed diameter (with silicone composite ) Head diameter Max. shed diameter Pitch circle diameter Outside flange diameter Sealing area: min. diameter Sealing area: diameter Number of holes Hole diameter Flange plate thickness Bushing length, without air side terminal and lower shield Terminal width a a 6 8 a a F9 b b c Fig d6 c a 6 b 8 RTKF 6 F KSI ZCD69 RTKF 6 F KSI ZCD6 RTKF 6 F ZCD69 RTKF 6 F ZCD68 6 /. 8 / 6 /. 8 / 6 v h v h a a 6 8 a a Flange Fig. Fig. Fig. Flange detail RTKF 6 F KSI ZCD6 RTKF / F KSI ZCD6 RTKF 6 F ZCD68 RTKF / F ZCD68 6 /. 8 / / / v h v h F9 b b a a n v RTKF / F KSI ZCD6 RTKF / F ZCD68 / / v h a a Legend Copper, bare (optional: nickel-plated, silver-plated) Oil side Fig. a D D Fig. b D D. Fig. a D D s Fig. b 6 D D8 RTKF / F KSI ZCD6 RTKF. / F KSI ZCD6 RTKF. / F KSI ZCD66 RTKF. / F KSI ZCD6 RTKF / F KSI ZCD68 RTKF / F KSI ZCD69 RTKF / F ZCD68 RTKF. / F ZCD6 RTKF. / F ZCD686 RTKF. / F ZCD68 RTKF / F ZCD688 RTKF / F ZCD689 / / 9 8. / 69 6 / 9 8. / 69 6 / 9. / 69 6 / / 9 TR / / 9 TR / 9 Ith sec. = Ir 6 6 v h v h v h v h 96 8 v h 9 8 v h a a b b a 6 a a 6 8 a a b a 6 a b Test tap De-aeration Earthing screws M / 8 6 Sealing area Removability (for connecting the transformer lead) Current transformer extension RTKF 6/ F KSI ZCD6 RTKF 6/ F KSI ZCD6 RTKF / F KSI ZCD6 RTKF / F KSI ZCD6 RTKF 6/ F ZCD69 RTKF 6/ F ZCD69 RTKF / F ZCD69 RTKF / F ZCD69 8 / / 6 8 / / / 6 6 / 9 98 / 6 6 / 8 9 v v h 8 v v h a a 6 8 a b b a 6 8 a b

9 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV AIRRIP BUSHINGS KV TYPES WITH CABLE CONDUCTOR 6 AirRIP bushings kv Types with cable conductor LC Explanations of the table columns Bushings with cable conductor kv Data for bushings with cable conductor kv All dimensions in mm, unless otherwise indicated Rated voltages according to IEC 6 () 8 Rated voltages according to IEEE C.9. (), Maximum operating current for the largest cable cross-section, depending on the current transformer extension Maximum thermal short-circuit current, sec, after operation at maximum operating current 8 Bending test load, min 9, Maximum cantilever operating load and permissible installation position (v = vertical, h = horizontal, from vertical) Standard current transformer extension 6 Inner diameter of the central tube ( d), Maximum head and shed diameter for silicone composite, Maximum head and shed diameter for porcelain 6, Sealing area Bushing length L, without air side terminal and oil side shield, Standard terminal on air side, 6 Optional terminal on air side, 8 Standard design of oil side end 9, Optional design of oil side end Fig. Fig. 6 d c c ± L (±) Flange Fig. Fig. Fig. L cable bolts c c ± L (±) L cable bolts d.. Legend Copper, bare (optional: nickel-plated, silver-plated) Test tap De-aeration Earthing screws M / 8 Eyebolts M6 / 8 6 Sealing area Removability (for connecting the transformer lead) Current transformer extension Flange detail n v Type and drawing Electrical characteristics Current Insulator Mechanical design Weights Oil side Air side Flange Air side terminal data IEC 6 () IEEE C.9. () Standard. Variant Standard Variant With silicone composite RTKF / KSI ZCD69 RTKF / KSI ZCD6 RTKF / KSI ZCD6 RTKF / KSI ZCD6 RTKF 6/ KSI ZCD6 RTKF 6/ KSI ZCD6 RTKF 8/ KSI ZCD6 With porcelain RTKF / ZCD669 RTKF / ZCD6 RTKF / ZCD6 RTKF / ZCD6 RTKF 6/ ZCD6 RTKF 6/ ZCD6 RTKF 8/ ZCD6 Rated Voltage Um Phase to ground Um/./ µs Switching impulse voltage / µs System voltage Rated line-to-ground voltage./ µs Switching impulse voltage / µs Maximum operating current (in respect to CT extension ) With copper cable section S Thermal short-time current Ith sec. Creepage distance (minimum) Arcing distance (minimum) Cantilever test load, min. Cantilever operating load Installation (v = vertical, h = horizontal, from vertical) With silicone composite With porcelain Current transformer extension Lower core length (tolerance ± mm) [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [A] [ka] [mm] [mm] [N] [N] [kg] [kg] L 6 L 6 D d L L L D D6 D D6 D D D D8 n v s Fig L d c d c d Fig d Fig / 6 / 6 / 6 / / 8 6 / / 6 / / 8 8 / See footnote * 9 v v 86 9 v v 66 v v 8 8 v Core diameter Inside tube diameter Terminal: distance from the flange plate (tolerance ± mm) Cable bolt: distance from the flange plate Height of head (maximum) Head diameter (with silicone composite ) Max. shed diameter (with silicone composite ) Head diameter Max. shed diameter Pitch circle diameter Outside flange diameter Sealing area: min. diameter Sealing area: diameter Number of holes Hole diameter Flange plate thickness Bushing length, without air side terminal and lower shield c c 8 a c 8 a 6 b 8 6 b 6 b 8 6 b 6. s 6 D * Ith sec. [ka] =.6 S [mm ] if S mm Ith sec. [ka] =. S [mm ] if S = mm Ith sec. [ka] =. S [mm ] if S = mm Ith sec. [ka] =. S [mm ] if S = 8 mm D8 D D D D D D Fig. Fig. Fig. d d d c Fig d6 c c 8 c Fig d6 c a 8 c 8 c Fig d6 c a b 9

10 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV 8 AIRRIP BUSHINGS KV TYPES WITH ROD CONDUCTOR 9 AirRIP bushings kv Types with rod conductor MC Determination of the rod conductor Bushings with rod conductor kv Data for bushings with rod conductor kv All dimensions in mm, unless otherwise indicated Air side terminal Standard terminals as per columns 9/, variants as per columns /. Guidelines for the terminal dimensions: Max. operating current (A) d c, 8,, Optional splitting of the rod conductor Determine whether or not the rod conductor should be split. Rod conductors are split mm below the base plate and have the following characteristics: d * screws length e M 6 6 M 8 M 9 6 M * See column of the data table Oil side terminal d * Standard Var. Var. flat thread round thickness holes a n g thread c d c M M * See column of the data table L: Bushing length, without airside terminal and lower shield, see column of the data table d c c L a Standard: flat a Var. : thread dg e g dg g c c Var. : round ⁰ ⁰ d g d g c c Fig. Fig. 8 d c c Flange Fig. Fig. Fig. ± L (±) Fig. c D D d Fig d6 c a 8 c 8 c c D D ± L (±) Fig. c d d.. D D Fig d6 c a b 9 6. s Legend Copper, bare (optional: nickel-plated, silver-plated) Test tap De-aeration Earthing screws M / 8 Eyebolts M6 / 8 6 Sealing area Removability (for connecting the transformer lead) Current transformer extension Flange detail 6 n v D D Type and drawing Electrical characteristics Current Insulator data Mechanical design Weights Oil side Air side Flange Air side terminal With silicone composite RTKF / B KSI ZCD69 RTKF / B KSI ZCD6 RTKF / B KSI ZCD6 RTKF / B KSI ZCD6 RTKF 6/ B KSI ZCD6 RTKF 6/ B KSI ZCD6 RTKF 8/ B KSI ZCD6 With porcelain RTKF / B ZCD669 RTKF / B ZCD6 RTKF / B ZCD6 RTKF / B ZCD6 RTKF 6/ B ZCD6 RTKF 6/ B ZCD6 RTKF 8/ B ZCD6 IEC 6 () IEEE C.9. () Standard Variant. Standard Variant Rated Voltage Um Phase to ground Um/./ µs Switching impulse voltage / µs System voltage Rated line-to-ground voltage./ µs Switching impulse voltage / µs Maximum operating current (in respect to CT extension ) Thermal short-time current Ith sec. Creepage distance (minimum) Arcing distance (minimum) Cantilever test load, min. Cantilever operating load Installation (v = vertical, h = horizontal, from vertical) With silicone composite With porcelain Current transformer extension Lower core length (tolerance ± mm) Core diameter Inside tube diameter Terminal: distance from the flange plate (tolerance ± mm) Height of head (maximum) Head diameter (with silicone composite ) Max. shed diameter (with silicone composite ) Head diameter Max. shed diameter [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [A] [A] [mm] [mm] [N] [N] [kg] [kg] L 6 L 6 D d L L D D6 D D6 D D D D8 n v s Fig L d c d c d Fig d Fig / 6 / 6 / / / 6 / 6 / / / 6 / 8 / / / 8 8 / 6 Ith sec. = Ir 9 v 8 9 v v v 69 6 v v v Pitch circle diameter Outside flange diameter Sealing area: min. diameter Sealing area: diameter Number of holes Hole diameter Flange plate thickness Bushing length, without air side terminal and lower shield Shield diameter Shield length below L 6 8 c a c 8 a 6 b 6 b 6 b 6 b

11 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV AIRRIP BUSHINGS KV TYPES WITH FIXED CONDUCTOR AirRIP bushings kv Types with fixed conductor HC Explanations of the table columns Bushings with fixed conductor kv Data for bushings with fixed conductor kv All dimensions in mm, unless otherwise indicated Rated voltages according to IEC 6 () 8 Rated voltages according to IEEE C.9. () Maximum operating current as a function of the current transformer extension Maximum thermal short-circuit current, sec, after operation at maximum operating current Bending test load, min 8, 9 Maximum cantilever operating load and permissible installation position (v = vertical, h = horizontal, from vertical) Standard current transformer extension, 8 Maximum head and shed diameter for silicone composite 9, Maximum head and shed diameter for porcelain, Sealing area 9 Bushing length L, without air side terminal and oil side shield, Standard terminal on air side, Standard oil side terminal, Standard design of oil side end Fig. Fig. 8 d c c ± L (±) Flange Fig. Fig. c c ± L (±) d Fig... Fig. c Fig d6 c a 6 b 8 Fig. c Fig d6 c a b Type and drawing Electrical characteristics Current Insulator data With silicone composite RTKF / F KSI ZCD6 RTKF / F KSI ZCD6 RTKF / F KSI ZCD66 RTKF / F KSI ZCD6 RTKF 6/ F KSI ZCD68 RTKF 6/ F KSI ZCD69 RTKF 8/ F KSI ZCD6 With porcelain RTKF / F ZCD69 RTKF / F ZCD69 RTKF / F ZCD696 RTKF / F ZCD69 RTKF 6/ F ZCD698 RTKF 6/ F ZCD699 RTKF 8/ F ZCD6 Mechanical design Weights Oil side Air side Flange Air side terminal IEC 6 () IEEE C.9. () Standard Standard Standard Rated Voltage Um Phase to ground Um/./ µs Switching impulse voltage / µs System voltage Rated line-to-ground voltage./ µs Switching impulse voltage / µs Maximum operating current (in respect to CT extension ) Thermal short-time current Ith sec. Creepage distance (minimum) Arcing distance (minimum) Cantilever test load, min. Cantilever operating load Installation (v = vertical, h = horizontal, from vertical) With silicone composite With porcelain Current transformer extension Lower core length (tolerance ± mm) [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [kv] [A] [A] [mm] [mm] [N] [N] [kg] [kg] L 6 L 6 D L L D D6 D D6 D D D D8 n v s Fig L d c d Fig d Fig / 6 / / 6 / 6 / 6 / / / 8 8 / 6 / / 6 / / / 6 9 Ith sec. = Ir 9 v v v 8 9 v 9 6 v v v Core diameter Terminal: distance from the flange plate (tolerance ± mm) Height of head (maximum) Head diameter (with silicone composite ) Max. shed diameter (with silicone composite ) Head diameter Max. shed diameter Pitch circle diameter Outside flange diameter Sealing area: min. diameter Sealing area: diameter Number of holes Hole diameter Flange plate thickness Bushing length, without air side terminal and lower shield Oil side terminal Terminal width Oil side end a b 8 a b a a 6 b 6 b a a a 6 b b 6 b a a a 6 b 6. Flange detail n v D D D D D D s 6 D D8 Legend Copper, bare (optional: nickel-plated, silver-plated) Oil side Fig. a Fig. b Fig. a Fig. b Test tap De-aeration Earthing screws M / 8 Eyebolts M6 / 8 6 Sealing area Removability (for connecting the transformer lead) Current transformer extension

12 MICAFIL RIP TRANSFORMER BUSHINGS AIRRIP / RTKF KV 6 Other ABB MICAFIL RIP bushings ABB offers an extensive range of high-quality products which can be adapted to different transformer and plant designs, and meet the exact requirements of the most varied applications. In addition, we offer specialized, tailor-made solutions, including custom designs and small series production. Our range of products encompasses bushings for oiloutdoor, oil-sf 6, and oil-oil transformer systems, as well as outdoor-sf 6 bushings for GIS. If you don t see what you need right here, please get in touch with us we can address your individual needs in a highly professional, flexible and efficient manner. Our bushings are developed and approved for mineral oil applications. Bushings for other oils are available on request. Transformer bushings, oil-outdoor Series: AirRIP / RTKF KSI Silicone composite available with straight or helical sheds Voltage range: from to kv Current range: up to, A Series: AirRIP / RTKF Porcelain Voltage range: from to kv Current range: up to, A Transformer bushings, oil-sf 6 Series: GARIP / RTKG Voltage range: from 6 to kv Current range: up to, A Transformer bushings, oil-oil Outdoor-SF 6 bushings for GIS Series: RAKF porcelain or silicone composite Voltage range: from to kv Current range: up to, A Wall bushings Series: SeismicRIP / RTKF KSI Silicone composite Voltage range: from 69 to kv Current range: up to, A Standard: IEEE 69 () High seismic performance level Series: OilRIP / RTKK Voltage range: from. to kv Current range: up to, A Series: RMI indoor-indoor RMF outdoor-indoor RMFF outdoor-outdoor Porcelain or silicone composite Voltage range: from to kv Current range: up to, A Series: HIRIP high-current RTXF Porcelain Voltage range: up to 6 kv Current range: up to, A Railway bushings Series: RMF / RTAK porcelain Voltage range: from to 6 kv Current range: up to, A Note We reserve the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. ABB Switzerland Ltd does not accept any responsibility whatsoever for potential errors or possible lack of information in this document. We reserve all rights in this document and in the subject matter and illustrations contained therein. Any reproduction, disclosure to third parties or utilization of its contents in whole or in parts is forbidden without prior written consent of ABB Switzerland Ltd. Copyright 8 ABB All rights reserved.

13 ABB Switzerland Ltd Insulation and Components MICAFIL Bushings Badenerstrasse 8 CH-88 Zurich Switzerland Phone: info.micafil@ch.abb.com abb.com/transformercomponents ZCD8PAA EN /8. Subject to change