CONTENTS About the company 1. Low-voltage arresters LVA type 2. Metal-oxide surge arresters for distribution systems. 3.
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- Tyrone Martin Arnold
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3 CONTENTS About the company 4 1. Low-voltage arresters LVA type 5 2. Metal-oxide surge arresters for distribution systems PA-DM type 6 Dimensions of arresters of PA-DM PA-DH types 10 Dimensions of arresters of PA-DH Options for PA-DM & PA-DH types 13 3.PA-SL types Arrester classification Station Low. 16 Surge arrestors main type the without insulating bases - Type 0/0 18 Surge arrestors main type the with insulating bases - Type 0/ PA-SM types 22 Surge arrestors main type the without insulating bases - Type 0/0 24 Surge arrestors main type the with insulating bases - Type 0/1 25 Surge arrestors hanged type the without insulating bases - Type 0/2 26 Surge arrestors hanged type the without insulating bases - Type 1/ PA-SH types 28 Surge arrestors main type the without insulating bases - Type 0/1 30
4 ABOUT THE COMPANY During operational process, not only the operating voltage of industrial frequency, but also all kinds of overvoltage affect the isolation of all electrical appliances. Overvoltage can be caused by switching of power grids or under the influence of lightning currents. Repeated exposure to surge can lead to rupture or closure of isolation, as well as gradual aging of isolation and premature failure of equipment. Lightning surges repeatedly exceed permissible voltage and may damage the isolation of new equipment, even with a single exposure. Limiting surge reduces the costs of transmission and distribution of electric energy. In order to limit surge level protective devices like metal-oxide surge arresters without gaps (MOSA) are used. Modern surge arresters are the most effective means of protection against overvoltage. Surge arrester is a column highly non-linear resistors (varistors), enclosed in a sealed housing. Surge arresters should be installed in all distribution facilities for the protection of expensive equipment - the power and measuring transformers, electric machines, etc. Sometimes nonlinear surge arresters are installed on towers or wires of overhead power lines to protect the isolation from lightning surges. The need for their use is dictated by the increasing demands on the quality of transmitted energy, reduction in number of disconnections of overhead lines and interruption in electricity supply. Depending on the number and position of devices application of surge arresters on overhead lines allows you to: - ensure uninterrupted power supply to consumer under any lightning effect on overhead lines; - significantly reduce the number of trips throughout the overhead lines during protection of areas prone to lightning strikes (areas of overhead lines in the rocky soil, high intermediate flies over water reservoir, sections of overhead lines with weak isolation); - abandon lightning protector line, where its use is not practical (glaze-ice and coastal marine areas). The main products of scientific- production association «Polymer-Apparat» are metal-oxide surge arresters without gaps in polymeric isolation. Majority of engineering personnel of SPA «Polymer- Instrument» were involved in research and production of MOSA at the high-voltage engineering department of Saint-Petersburg State Polytechnical University in early 80-ies of past century. Company «Polymer-Apparat» is constantly developing using the most modern technology in the production of MOSA. Currently, «Polymer-Apparat» produces surge arresters of any voltage class from 220 V to 750 kv. The scientific-production association «Polymer-Apparat» can offer protective devices of different designs: traditional tower structures, suspended design, for outdoor and indoor applications, for operation in conditions of polluted atmosphere, as well as in coastal marine regions. Surge arresters can be equipped with a diagnosis system that could allow monitoring the device state without disconnecting it from the network. Company «Polymer-Apparat» can also offer solutions for installation of surge arresters on any overhead lines of any voltage class taking features of protected objects and their operational conditions into consideration while manufacturing arresters. Our arresters are installed in all regions of Russia, Baltic countries, Ukraine, Kazakhstan, Belarus. Our surge arresters have been used to ensure uninterrupted power supply to Olympic facilities in Sochi. Also we have experience in supplying our products to Europe, South America, Asia and Africa.
5 JSC «POLYMER-APPARAT» 1. LOW-VOLTAGE ARRESTERS LVA TYPE Specification IEC :2005 Low-voltage surge protective devices - class II tests Characteristics are presented in the Tables 1. below. Table 1 MCOV, V Nominal discharge current, ka Maximal discharge current, ka Long Duration Current Impulse, A Specific energy, kj Residual voltage, kv, no more than 8/20 µs 5 ka 8/20 µs 10 ka 8/20 µs 20 ka 280 0,75 1,0 1,2 1, ,10 1,5 1,8 2,2 Operability of arresters is ensured under the following servicing conditions: Outdoor and indoor;º Lower operating value of ambient temperature is -60 C; Upper operating value of ambient temperature is +50 C. Examples of a product number are presented in the Tables 2. below. Table 2 Product number PA-LVA-280 PA-LVA-280 PA-LVA-280-O PA-LVA-450-O PA-LVA-280-T PA-LVA-450-T PA-LVA-280-C PA-LVA-450-C Figure number Surge arrestors Surge arrestors with disconnecting device Fig. 3 Arresters of PA-LVA-(MCOV)-T type 1) - bracket; (2) - arrester; (3) - disconnecting device; (4) flexible Cu conductor 6 mm2, length 1 m. Fig. 1 Arresters of PA-LVA- (MCOV) type Fig. 2 Arresters of PA-LVA- (MCOV)-O type Fig. 3 Arresters of PA-LVA-(MCOV)-T type Arresters for installation on insulated conductors Conductors size of mm2 (1) - insulation piercing terminal; (2) - shunt; (3) - arrester; (4) - disconnecting device; (5) flexible Cu conductor 6 mm2, length 1 m. Arresters for installation on the transformer bushings Fig. 4 Arresters of PA-LVA-(MCOV)-C type 5
6 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS 2. METAL-OXIDE SURGE ARRESTERS FOR DISTRIBUTION SYSTEMS. 2.1 PA-DM type Specification IEC :2014 Metal-oxide surge arresters without gaps for a.c. systems. Arrester classification Distribution Medium. The main parameters and characteristics: - Rated voltage from 3 to 54 kv; - Continuous voltage of arrester (MCOV) from 2.4 to 43.2 kv (rms); - Nominal discharge current A; - High current impulse 4/10µs ka; - Long Duration Current Impulse 300 A; - Repetitive Charge Transfer Rating Qrs 0.4 C Table 3 - Current 8/20 μs for Operating duty test (ka) 25 ka; - Specific energy (two impulse 2000 µs, rated voltage) 1.44 kj/kv; - Thermal Charge Transfer Rating Qth 1.1 C. Operability of arresters is ensured under the following servicing conditions: Outdoor and indoor; Lower operating value of ambient temperature is -60 C; Upper operating value of ambient temperature is +50 C; Altitude above sea level is up to 1000 m. Residual voltage, kv, no more than Rated voltage, kv Product number* MCOV, kv 8/20 µs 2.5 ka 8/20 µs 5 ka 8/20 µs 10 ka 30/60 µs 125 A 3 PA-DM ,4 6,9 7,7 8,7 5,2 4 PA-DM ,2 9,2 10,2 11,6 6,9 5 PA-DM ,6 12,8 14,4 8,6 6 PA-DM ,8 13,9 15,4 17,3 10,3 7 PA-DM ,6 16,2 17,9 20,2 12,1 8 PA-DM ,4 18,5 20,5 23,1 13,8 9 PA-DM ,2 20,8 23,0 26,0 15,5 10 PA-DM ,1 25,6 28,9 17,2 11 PA-DM ,8 25,4 28,2 31,8 19,0 12 PA-DM ,6 27,7 30,7 34,7 20,7 13 PA-DM ,4 30,1 33,3 37,5 22,4 14 PA-DM ,2 32,4 35,8 40,4 24,1 15 PA-DM ,7 38,4 43,3 25,9 16 PA-DM ,8 37,0 41,0 46,2 27,6 17 PA-DM ,6 39,3 43,5 49,1 29,3 18 PA-DM ,4 41,6 46,1 52,0 31,0 19 PA-DM ,2 43,9 48,6 54,9 32,8 20 PA-DM ,2 51,2 57,8 34,5 21 PA-DM ,8 48,5 53,8 60,6 36,2 22 PA-DM ,6 50,9 56,3 63,5 37,9 23 PA-DM ,4 53,2 58,9 66,4 39,7 24 PA-DM ,2 55,5 61,4 69,3 41,4 25 PA-DM ,8 64,0 72,2 43,1 26 PA-DM ,8 60,1 66,6 75,1 44,8 27 PA-DM ,6 62,4 69,1 78,0 46,6 28 PA-DM ,4 64,7 71,7 80,9 48,3 29 PA-DM ,2 67,0 74,2 83,7 50,0 30 PA-DM ,4 76,8 86,6 51,7 33 PA-DM ,4 76,3 84,5 95,3 56,9 36 PA-DM ,8 83,2 92, ,1 39 PA-DM ,2 90,2 99, ,3 42 PA-DM ,6 97, ,4 45 PA-DM ,6 48 PA-DM , ,8 51 PA-DM , ,0 54 PA-DM , ,1 * according to the customer type of housing can be changed 6
7 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» TOV characteristics (relative to the Rated voltage) are presented in the Fig 5. below. Fig. 5 TOV characteristics Arresters are explosion-proof and withstand the following short-circuit currents without exploding: 20 ka (rms) during 0,2 c (no less than); 600 A (rms) during 2 c (no less than). The arresters insulation is tracking-erosion stable and resistant to moisture penetration. Permissible horizontal stress 300 H. Characteristics are presented in the Tables 3. below. Residual voltage, kv, no more than Figure H, mm Weight, kg Leakage Housing insulation distance, mm 30/60 µs 250 A 30/60 µs 500 A 1/10 µs 5 ka 1.2/50 µs, kv 1 min 50 Hz, kv 5,9 6,1 8, ,8 8,2 10, ,8 10,2 13, ,7 12,2 16, ,7 14,3 18, ,6 16,3 21, ,6 18,3 24, ,5 20,4 26, ,5 22,4 29, ,4 24,5 32, ,4 26,5 34, ,3 28,5 37, ,3 30,6 40, ,2 32,6 43, ,2 34,6 45, ,1 36,7 48, ,1 38,7 51, ,0 40,8 53, ,0 42,8 56, ,9 44,8 59, ,9 46,9 61, ,8 48,9 64, ,8 50,9 67, ,7 53,0 69, ,7 55,0 72, ,6 57,1 75, ,6 59,1 78, ,5 61,1 80, ,4 67,2 88, ,2 73,4 96, ,1 79, ,9 85, ,8 91, ,6 97, ,
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9 JSC «POLYMER-APPARAT» Dimensions of arresters of PA-DM Fig. 6 Dimensions of arresters of PA-DM-061 type Fig. 8 Dimensions of arresters of PA-DM-091 PA-DM-098 types Fig. 7 Dimensions of arresters of PA-DM-101 type 9
10 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS 2.2 PA-DH types Arrester classification Distribution High. The main parameters and characteristics: - Rated voltage from 3 to 54 kv; - Continuous voltage of arrester (MCOV) from 2.4 to 43.2 kv (rms); - Nominal discharge current A; - High current impulse 4/10µs ka; - Long Duration Current Impulse 450 A; - Repetitive Charge Transfer Rating Qrs 0.5 C - Current 8/20 μs for Operating duty test (ka) 40 ka; - Specific energy IEC (two impulse 2000 µs, continous voltage) 2.21 kj/kv; - Thermal Charge Transfer Rating Qth 1.1 C. Operability of arresters is ensured under the following servicing conditions: Outdoor and indoor; Lower operating value of ambient temperature is -60 C; Upper operating value of ambient temperature is +50 C; Altitude above sea level is up to 1000 m. Table 4 Residual voltage, kv, no more than Rated voltage, kv Product number* MCOV, kv 8/20 µs 5 ka 8/20 µs 10 ka 8/20 µs 20 ka 30/60 µs 250 A 3 PA-DH ,4 7,3 7,9 8,9 5,2 4 PA-DH ,2 9,7 10,6 11,9 7,0 5 PA-DH ,1 13,2 14,9 8,7 6 PA-DH ,8 14,6 15,8 17,8 10,5 7 PA-DH ,6 17,0 18,5 20,8 12,2 8 PA-DH ,4 19,4 21,1 23,8 14,0 9 PA-DH ,2 21,9 23,8 26,7 15,7 10 PA-DH ,3 26,4 29,7 17,5 11 PA-DH ,8 26,7 29,0 32,7 19,2 12 PA-DH ,6 29,1 31,7 35,6 21,0 13 PA-DH ,4 31,6 34,3 38,6 22,7 14 PA-DH ,2 34,0 37,0 41,6 24,5 15 PA-DH ,4 39,6 44,6 26,2 16 PA-DH ,8 38,9 42,2 47,5 28,0 17 PA-DH ,6 41,3 44,9 50,5 29,7 18 PA-DH ,4 43,7 47,5 53,5 31,5 19 PA-DH ,2 46,1 50,2 56,4 33,2 20 PA-DH ,6 52,8 59,4 35,0 21 PA-DH ,8 51,0 55,4 62,4 36,7 22 PA-DH ,6 53,4 58,1 65,3 38,5 23 PA-DH ,4 55,9 60,7 68,3 40,2 24 PA-DH ,2 58,3 63,4 71,3 42,0 25 PA-DH ,7 66,0 74,3 43,7 26 PA-DH ,8 63,1 68,6 77,2 45,5 27 PA-DH ,6 65,6 71,3 80,2 47,2 28 PA-DH ,4 68,0 73,9 83,2 49,0 29 PA-DH ,2 70,4 76,6 86,1 50,7 30 PA-DH ,9 79,2 89,1 52,5 33 PA-DH ,4 80,2 87,1 98,0 57,7 36 PA-DH ,8 87,4 95, ,0 39 PA-DH ,2 94, ,2 42 PA-DH , ,4 45 PA-DH ,7 48 PA-DH , ,9 51 PA-DH , ,2 54 PA-DH , ,4 * according to the customer type of housing can be changed 10
11 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» TOV characteristics (relative to the Rated voltage) are presented in the Fig 5. below. Fig. 5 TOV characteristics Arresters are explosion-proof and withstand the following short-circuit currents without exploding: 20 ka (rms) during 0,2 c (no less than); 600 A (rms) during 2 c (no less than). The arresters insulation is tracking-erosion stable and resistant to moisture penetration. Permissible horizontal stress 300 H. Characteristics are presented in the Tables 4. below. Residual voltage, kv, no more than Figure H, mm Weight, kg Leakage Housing insulation distance, mm 30/60 µs 500 A 30/60 µs 1000 A 1/10 µs 10 ka 1.2/50 µs, kv 1 min 50 Hz, kv 5,9 6,3 8, ,9 8,3 11, ,9 10,4 13, ,9 12,5 16, ,9 14,6 19, ,8 16,7 22, ,8 18,8 24, ,8 20,9 27, ,8 22,9 30, ,8 25,0 33, ,7 27,1 36, ,7 29,2 38, ,7 31,3 41, ,7 33,4 44, ,7 35,5 47, ,6 37,5 49, ,6 39,6 52, ,6 41,7 55, ,6 43,8 58, ,6 45,9 61, ,5 48,0 63, ,5 50,1 66, ,5 52,1 69, ,5 54,2 72, ,5 56,3 74, ,4 58,4 77, ,4 60,5 80, ,4 62,6 83, ,3 68,8 91, ,3 75,1 99, ,2 81, ,2 87, ,1 93, ,
12 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS Dimensions of arresters of PA-DH Fig. 9 Dimensions of arresters of PA-DH-062 type Fig. 11 Dimensions of arresters of PA-DH-151, 152, 201, 202, 351 types Fig. 10 Dimensions of arresters of PA-DH-102 type 12
13 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» 2.3 Options for PA-DM & PA-DH types Product Marking System High-voltage input: type & options Fig. 11 High-voltage input «00» tape Fig. 12 High-voltage input «02» tape (M10) Fig. 13 High-voltage input «03» tape (6 to 50 mm2) Fig. 15 Set of fittings for installation on insulated conductor «F1» tape (Conductors size of 35 to 150 mm2). Fig. 14 Protective Caps «B1» tape 13
14 JSC «POLYMER-APPARAT» Fig. 16 Insulation bracket «I1» tape. MCOV 2.55 to 15.3 kv Fig. 17 Insulation bracket «I2» tape. MCOV 2.55 to 29 kv Fig. 19 Disconnector «D2» tape Fig. 18 Metal bracket «M1» tape Tape Sectional area of the wire, mm2 Dia Hole, mm Long, mm C1 6 C2 16 C3 25 C4 35 C or more on request 450 or more on request Fig. 20 Example of a product number: PA-HD / D2C3 Fig. 21 Example of a product number: PA-HD /I1D2 Fig. 22 Example of a product number: PA-HD B1/D2C2(1000) 14
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16 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS 3.1 Arrester classification Station Low. 3.PA-SL TYPES Product Marking System The main parameters and characteristics: - Rated voltage from 9 to 220 kv; - Continuous voltage of arrester (MCOV) from 7.2 to 176 kv (rms); - Nominal discharge current A; - High current impulse 4/10µs ka; - Long Duration Current Impulse 680 A; - Repetitive Charge Transfer Rating Qrs 1.2 C; - Specific energy (two impulse 2000 µs, rated voltage) 6.4 kj/kv; Operability of arresters is ensured under the following servicing conditions: Outdoor and indoor; Lower operating value of ambient temperature is -60 C; Upper operating value of ambient temperature is +50 C; Altitude above sea level is up to 1000 m. Table 6 * - marked only on the rated voltage of more than 36 Residual voltage, kv, no more than Rated voltage, kv Product number* MCOV, kv 8/20 µs 5 ka 8/20 µs 10 ka 8/20 µs 20 ka 30/60 µs 250 A 9 PA-SL ,2 21,1 23,0 25,9 15,6 10 PA-SL ,4 25,6 28,7 17,3 12 PA-SL ,6 28,1 30,7 34,5 20,7 15 PA-SL ,1 38,4 43,1 25,9 24 PA-SL ,2 56,2 61,4 68,9 41,5 30 PA-SL ,2 76,8 86,2 51,9 36 PA-SL ,8 84,2 92, ,2 42 PA-SL ,6 98, ,6 48 PA-SL , ,0 51 PA-SL , ,2 51 PA-SL , ,2 51 PA-SL ** 40, ,2 54 PA-SL , ,4 60 PA-SL PA-SL , PA-SL , PA-SL , PA-SL , PA-SL PA-SL , PA-SL , PA-SL PA-SL PA-SL PA-SL PA-SL PA-SL PA-SL PA-SL PA-SL PA-SL PA-SL PA-SL * according to the customer type of housing can be changed **only for indoor use 16
17 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» TOV characteristics (relative to the Rated voltage) are presented in the Fig 5. below. Arresters are explosion-proof and withstand the following short-circuit currents without exploding: 40 ka (rms) during 0,2 c (no less than); 800 A (rms) during 2 c (no less than). The arresters insulation is tracking-erosion stable and resistant to moisture penetration. Permissible horizontal stress 500 H. Characteristics are presented in the Tables 6. below. Fig. 5 TOV characteristics Fig. 5 TOV characteristics Residual voltage, kv, no more than Figure H, mm Weight, kg Leakage Housing insulation 30/60 µs 500 A 30/60 µs 1000 A 1/10 µs 10 ka distance, mm 1.2/50 µs, kv 1 min 50 Hz, kv 17,6 18,5 25, ,6 20,6 27, ,5 24,7 33, ,3 30,9 41, ,9 49,4 67, ,7 61,7 83, ,4 74, ,1 86, ,9 98, , , , , , , , ,22, ,22, ,22, ,22, , ,
18 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS Surge arrestors main type the without insulating bases - Type 0/0 Fig. 12 Type of housing 063, 103, 203, 204 Fig. 13 Type of housing 352 Fig. 14 Type of housing 353 Fig. 15 Type of housing 354 Fig. 16 Type of housing
19 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» Fig. 17 Type of housing 111 Fig. 18 Type of housing 112 Fig. 19 Type of housing 256 Fig. 20 Type of housing
20 JSC «POLYMER-APPARAT» Surge arrestors main type the with insulating bases - Type 0/1 Fig. 21 Type of housing /1 Fig. 22 Type of housing /1 Fig. 24 Type of housing /2 Fig. 23 Type of housing /1 Fig. 25 Type of housing /2 20
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22 JSC «POLYMER-APPARAT» 3. 2 PA-SM types Arrester classification Station Medium. The main parameters and characteristics: - Rated voltage from 9 to 324 kv; - Continuous voltage of arrester (MCOV) from 7.2 to 259 kv (rms); - Nominal discharge current A; - High current impulse 4/10µs ka; - Long Duration Current Impulse 1000 A; - Repetitive Charge Transfer Rating Qrs 2.0 C; - Specific energy (two impulse 2000 µs, rated voltage) 9.2 kj/kv; Operability of arresters is ensured under the following servicing conditions: Outdoor and indoor; Lower operating value of ambient temperature is -60 C; Upper operating value of ambient temperature is +50 C; Altitude above sea level is up to 1000 m. Table 7 METAL-OXIDE SURGE ARRESTERS Product Marking System * - marked only on the rated voltage of more than 36 Residual voltage, kv, no more than Rated voltage, kv Product number* MCOV, kv 8/20 µs 5 ka 8/20 µs 10 ka 8/20 µs 20 ka 30/60 µs 250 A 10 PA-SM ,3 25,6 28,2 17,5 15 PA-SM ,9 38,4 42,2 26,2 30 PA-SM ,9 76,8 84,5 52,4 36 PA-SM ,8 83,9 92, ,9 45 PA-SM ,6 54 PA-SM , ,3 66 PA-SM , PA-SM , PA-SM , PA-SM , PA-SM PA-SM , PA-SM , PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM PA-SM * according to the customer type of housing can be changed ** the height & weight of the insulating base 22
23 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» TOV characteristics (relative to the Rated voltage) are presented in the Fig 5. below. Arresters are explosion-proof and withstand the following short-circuit currents without exploding: 40 ka (rms) during 0,2 c (no less than); 800 A (rms) during 2 c (no less than). The arresters insulation is tracking-erosion stable and resistant to moisture penetration. Permissible horizontal stress 500 H. Characteristics are presented in the Tables 7. below. Fig. 5 TOV characteristics Residual voltage, kv, no more than Figure H, mm Weight, kg Leakage distance, Housing insulation 30/60 µs 500 A 30/60 µs 1000 A 1/10 µs 10 ka mm 1.2/50 µs, kv 250/2500 µs, kv 1 min 50 Hz, kv 19,7 20,5 27, ,5 30,8 41, ,1 61,6 82, ,9 73,9 99, ,6 92,4 124, ,31, 35, ,31, 35, ,31, 35, ,31, 35, ,31, 35, , , , , , 36, ** , 36, ** , 36, ** , 36, ** , 36, ** , 36, ** ** ** ** ** ** **
24 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS Surge arrestors main type the without insulating bases - Type 0/0 Fig. 26 Type of housing 355 Fig. 27 Type of housing 356 Fig. 28 Type of housing 563 Fig. 29 Type of housing 116 Fig. 30 Type of housing
25 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» Surge arrestors main type the with insulating bases - Type 0/1 Fig. 31 Type of housing /1 Fig. 32 Type of housing /1 Fig. 33 Type of housing /1 Fig. 34 Type of housing /1 25
26 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS Surge arrestors hanged type the without insulating bases - Type 0/2 Fig. 35 Type of housing /2 Fig. 36 Type of housing /2 Fig. 37 Type of housing /2 26
27 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» Surge arrestors hanged type the without insulating bases - Type 1/3 Fig. 38 Type of housing /3 Fig. 39 Type of housing /3 27
28 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS 3. 3 PA-SH types Arrester classification Station High. The main parameters and characteristics: - Rated voltage from 96 to 612 kv; - Continuous voltage of arrester (MCOV) from 76,8 to 490 kv (rms); - Nominal discharge current A; - High current impulse 4/10µs ka; Operability of arresters is ensured under the following servicing conditions: Outdoor and indoor; Lower operating value of ambient temperature is -60 C; Upper operating value of ambient temperature is +50 C; Altitude above sea level is up to 1000 m. Table 8 Product Marking System Rated voltage, kv Product number* MCOV, kv Long Duration Current Impulse, A Repetitive Charge Transfer Rating, C Specific energy (two impulse 2000 ms, rated voltage), kj/kv Residual voltage, kv, no more than 8/20 µs 5 ka 8/20 µs 10 ka 8/20 µs 20 ka 30/60 µs 250 A 96 PA-SH , ,8 12, PA-SH , ,6 15, PA-SH , ,8 12, PA-SH , ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,2 19, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,2 19, PA-SH ,8 12, PA-SH ,6 15, PA-SH ,2 19, PA-SH ,2 19, PA-SH ,4 25, PA-SH ,2 19, PA-SH ,4 25, PA-SH ,2 19, PA-SH ,4 25, * according to the customer type of housing can be changed ** the height & weight of the insulating base 28
29 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» TOV characteristics (relative to the Rated voltage) are presented in the Fig 5. below. TOV characteristics (relative to the Rated voltage) are presented in the Fig 5. Arresters are explosion-proof and withstand the following short-circuit currents without exploding: 65 ka (rms) during 0,2 c (no less than); 800 A (rms) during 2 c (no less than). The arresters insulation is tracking-erosion stable and resistant to moisture penetration. Characteristics are presented in the Tables 8. below. Fig. 5 TOV characteristics Residual voltage, kv, no more than Housing insulation Figure H, mm Weight, kg Leakage distance, mm SLL, H 30/60 µs 500 A 30/60 µs 1000 A 1/10 µs 10 ka 1.2/50 µs, kv 250/2500 µs, kv 1 min 50 Hz, kv , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,
30 JSC «POLYMER-APPARAT» METAL-OXIDE SURGE ARRESTERS Surge arrestors main type the without insulating bases - Type 0/1 Fig. 40 Types of housing 117, 118 Fig. 42 Types of housing 307, 308 Fig. 41 Types of housing 227,
31 METAL-OXIDE SURGE ARRESTERS JSC «POLYMER-APPARAT» Fig. 43 Types of housing 507, 508 Fig. 45 Type of housing 751 Fig. 44 Type of housing
32 JSC "POLYMER-APPARAT" St. Petersburg, Russian Federation Phone.: +7 (812)
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