OUTDOOR OFF LOAD DISCONNECTORS HCB/HDB Range SWITCHGEAR COMPLEX
SWITCHGEAR COMPLEX Crompton Greaves Ltd. the name to reckon in Electrical Industry, brings a product with its leading edge technology to supplement its eisting range of switchgear products to complete the scope of substation equipment - OUTDOOR OFF LOAD DISCONNECTORS. SPECIAL FEATURES Both Main and Earth Switch Open Earth Closed Main Open Proven design - Well accepted worldover. Aluminium - Bearing Housings & Current carrying parts. Silver plated copper contacts for main contacts and H.V terminals. Double Tandem for Double Break Disconnector. Optimized contact pressure to limit contact resistance. A spring for each contact finger for a permanent point contact. Heavy duty life time lubricated sealed bearing. Factory preset sub-assemblies for ease of erection and commissioning. Reliable turn and twist mechanism. Despatched in assembled readyto-erect assemblies. Adjustable shackles for self alignment of contact. Aluminium, MS Powder coated operating cabinets. Custom HV Terminals. Adjustable earthswitch base frame for perfect movement and alignment. Hot dip galvanised base frame and support structure assembly for corrosion protection. Double Disconnectors on request. HDG / stainless steel hardwares. Mechanically inter-locked main and earth switch for enchanced safety. One or two integral earth switches.
Service Ambient Conditions Item Unit Value Ambient air temperature C -25 to +50 Ice coating mm 1, 10 Wind pressure kg / m 2 150 / 195 Altitude M 1000 or above as required or as required * Earthquake g 0.3 Creepage mm / kv 25 / 31* / 40* * Optional. DISCONNECTOR CONFIGURATION The main current carrying parts - consisting of moving and fied contact assemblies. Support insulators mounted between the current carrying parts and the base assemblies. Base frame with bearing assembly. The operating mechanism bo. (AC/DC Motors / Manual Gear / Manual). Down operating pipes and inter-phase piping. Earthing switch (optional) Supporting structure mounted between base frame and ground (optional). Design and Analysis View of DC Motor Operating Bo
DISCONNECTOR RANGE CGL manufactures, Horizontal centre break type HCB and Horizontal double break type HDB, 24 kv to 420 kv class disconnectors as per Technical Parameters refer table 1 to 4. Fully type tested at Government approved laboratories like Centre Power Research Institute (CPRI) - Bhopal/Bangalore/Hyderabad and ERDA - Baroda as per IEC 60129 and IEC 62271-102. The Disconnectors incorporates Motorized disconnectors type CGM for main and earth disconnectors. Manual gear operated disconnector CMG. Manual Operated disconnector CMO as per customer requirement. Simultaneous operation of 3 poles by single operating mechanism upto 420 kv (optional). Individual pole operation for 420 kv. Insulators are fully type tested as per IEC 273 / IS 2544 / IEC 168 / IEC 60507. Torsion / bending moment special requirement (optional). HORIZONTAL CENTRE BREAK DISCONNECTORS TYPE - HCB RC a b c FIG. 1 Table - I Overall Dimensions** kv a b c 36 800 1000 650 72 1100 1400 1000 145 1700 2125 1450 170 2200 2350 1600 245 2600 2861 2100 420 4100 4837 3100 HORIZONTAL DOUBLE BREAK DISCONNECTORS TYPE - HDB RD a b c Table - II Overall Dimensions** kv a b c 36 800 865 650 72.5 1100 1326 1000 123 1600 1744 1450 145 1600 2112 1450 170 2200 2350 1600 245 2600 2848 2100 FIG. 2 420 4800 4420 4000 ** R&D being continuous process, dimensions may change as per final design.
TECHNICAL PARAMETERS Table - III Horizontal Centre Break Disconnectors Type - HCB Rated Rated Rated short Rated peak Power Frequency Lighting impulse Switching impulse Voltage Current Time current Short Withstand Voltage Withstand Voltage Withstand Voltage Circuit current r.m.s 1min. 1.2/50µS 250/2500µS To earth across isolating To earth across isolating To earth across isolating distance distance distance kv A ka kap kv kv kvp kvp kvp kvp 24 1250 25 62.5 50 80 125 195 36/38.5 1600 25 62.5 70 80 170 195 72.5 1600 40 100 140 160 325 375 123 1600 40 100 230 265 550 630 145 1600 40 100 275 315 650 750 170 2000 40 100 325 375 750 860 245 2000 40 100 460 530 1050 1200 300 4000 50 125 380 435 1050 1050(+170) 850 700(+245) 420 3150 50 125 520 610 1425 1425(+240) 1050 900(+345) Table - IV Horizontal Double Break Disconnectors Type - HDB Rated Rated Rated short Rated peak Power Frequency Lighting impulse Switching impulse Voltage Current Time current Short Withstand Voltage Withstand Voltage Withstand Voltage Circuit current r.m.s 1min. 1.2/50µS 250/2500µS To earth across isolating To earth across isolating To earth across isolating distance distance distance kv A ka kap kv kv kvp kvp kvp kvp 36/38.5 1600 25 62.5 70 80 170 195 72.5 1600 40 100 140 160 325 375 123 1600 40 100 230 265 550 630 145 1600 40 100 275 315 650 750 170 2000 40 100 325 375 750 860 245 2000 40 100 460 530 1050 1200 300 4000 50 125 380 435 1050 1050(+170) 850 700(+245) 420 2000 50 125 520 610 1425 1425(+240) 1050 900(+345) ROUTINE TESTS INSTALLATION Disconnector are routine tested as per IEC 62271-102 / IEC 60129. Our field engineers offer supervision services for erection, test and commissioning of disconnectors upon request. Eisting disconnectors can be upgraded. Refurbishment of eisting disconnectors is undertaken on request. Replacement of insulators for pollution level improvement.
TYPICAL GENERAL ARRANGEMENT OF HDB DISCONNECTORS Sr. No. Description Qty. 1 Structure 6 2 Base Assembly 3 3 Insulator (Solid Core) 9 4 Moving Blade Assembly 3 5 Fied Contact Assembly 6 6 Operating Bo - Disconnector 1 7 Operating Bo - Earth Switch 1 8 Moving Blade Assembly for E.S. 3 9 Fied Contact Assembly for E.S. 6 10 Mechanical Interlock 1 11 Gang Operating Pipe-Main 2 Set 12 Gang Operating Pipe-Earth 1 Set * As required by client 11 c 12 10 M635 M635 M635 M1255 M1255 M1255 R Y B a 5 9 4 CLOSE CONDITION OF EARTH SWITCH SHOWN IN DOTTED LINES 3 b 8 2 ++ ++ ++ ++ ++ ++ 7 1 6 PL GL PL GL
TYPICAL GENERAL ARRANGEMENT OF HCB DISCONNECTORS Sr. No. Description Qty. 1 Insulator 6 2 Base Assembly 3 3 Support Structure 1 4 Operating Mechanical - Main 1 5 Tandem Pipe 2 6 Male Blade Assembly 3 7 Female Blade Assembly 3 8 Earth Moving Blade 3 9 Earth Fied Contact 3 10 Earth Tandem Pipe 2 11 Earth Operating Bo 1 10 5 C A 6 9 FOR CLOSED POSITION EARTHING SWITCH SHOWN IN DOTTED CONDITION. 1 7 8 B 2 3 11 4 PL PL PL GL GL GL
DISCONNECTOR CONTACTOR CONFIGURATION MCB (AC MOTOR) N R Y B 415V AC 1%%C, 50 Hz A/6 + K1 J1 - J2 K2 A/7 MCB CONTROL VOLTAGE 110/220 V,DC A/1 MCB TB H1 H3 H5 TH H7 LSW H9 L PSW H11 P A/2 H2 H4 240V AC, 1%%C, 50Hz. A/6 + J1 - J2 A/7 MCB CONTROL VOLTAGE 110V/220V, DC A/1 H1 240V AC,1Ø, 50Hz. M1 M2 M3 K1 K2 H2 CC 1 2 3 4 5 6 3 4 21 22 OC 1 2 3 4 5 6 3 4 21 22 K19 CC K2 13 14 1L1 2T1 A/3 3L2 4T2 K13 K11 5L3 6T3 21 22 EXT.INT. 89Eb A/8 A/9 K7 K9 OLR-1 A/17 A/16 K11 M R L K3 A/40 K45 K35 K33 LS3 EPB K5 KIEC K2 A/41 EARTH SWITCH MPB K29 K2 OC A/4 13 14 A/5 1L1 2T1 M8 K23 3L2 4T2 K11 OLR 5L3 6T3 M5 21 22 A2 M A1 CPB CPB K13 C/1 89b K47 C/2 KIMC K17 MANUAL I/L MCB H3 HSW H5 TH H7 H A/2 M4 M5 M6 A/8 EXT.INT. 89Eb OLR-1 A/9 K7 K9 A/17 A/16 K11 M R L K3 A/40 K45 K35 K33 A/12 LS3 EPB MPB CPB LSW PSW CPB K13 C/1 K5 K47 K17 C/2 KIEC KIMC K2 A/41 K19 CC EARTH SWITCH MANUAL I/L LOCAL CLOSING 89b LSC-11 OLR OLR OLR A/10 REMOTE CLOSING CC-3 HEATER CIRCUIT ILLUMINATION CIRCUIT RECEPTACLE CIRCUIT H9 H11 H4 LATCHING CKT OPB K23 B/1 LOCAL OPENING K19 CC L P M OPB OC-3 89a B/2 K27 K29 OC LS0-10 LOCAL CLOSING A/11 REMOTE OPENING LATCHING CKT LSO-21 LSC-11 REMOTE CLOSING A/12 A/10 A/13 K93 89 OPEN INDICATION CC-3 LSC-20 OM13 CM15 K95 K97 A/14 A/15 OM15 CM17 OM17 CM19 OM19 LATCHING CKT 89 CLOSE INDICATION OPB K23 K27 HEATER CIRCUIT OPB B/1 89a K29 OC LOCAL OPENING B/2 LS0-10 ILLUMINATION CIRCUIT RECEPTACLE CIRCUIT AUXILIARY SWITCH DIAGRAM 89-b 89-a CM1 OM1 CM3 OM3 CM5 OM5 CM7 OM7 CM9 OM9 CM11 OM11 CM13 REMOTE OPENING A/11 LATCHING CKT OC-3 LSO-21 K95 A/14 A/13 K93 89 OPEN INDICATION CM2 0M2 CM4 0M4 CM6 0M6 CM8 0M8 CM10 0M10 CM12 0M12 CM14 0M14 CM16 0M16 CM18 0M18 CM20 0M20 (DC MOTOR) LSC-20 K97 89 CLOSE INDICATION A/15 LEGEND DESCRIPTION MAKE CC Closing Contactor 415V AC. Siemens/ Telemecanique /ABB/Eq. OC Opening Contactor 415V AC. Siemens/ Telemecanique/ABB/Eq. M Motor 0.5 Hp.Ø, 415V AC 50Hz. CG/Siemens/Remi/ Polyphase/Eq. OLR Overload Relay With SPP (1.0 To 1.4A) Telemecanique/Lakhsmi/ Siemens/ABB/Eq. KIMC Key Interlock Manual Contact CG/PS/Eq. LSC Limit Switch Close 10A, 2NO+2NC Keycee/Jaibalaji/ Concord/Eq. LSO Limit Switch Open 10A, 2NO+2NC Keycee/Jaybalaji/ Concord/Eq. LMR Local/Manual/Remote Selector Switch Keycee/Switron/Teknic/Eq. CPB Close Push Button L & T/Teknic/Concord/Eq. OPB Open Push Button L & T/Teknic/Concord/Eq. MPB Manual Push Button L & T/Teknic/Concord/Eq. EPB Earth Push Button L & T/Teknic/Concord/Eq. H Heater (80W,250V)2 Nos.each Of 40W. Velico/Eq. HSW Heater Switch 5A. Anchor/Eq. TH Thermostat Velico/Mavis/Eq. LSW Lamp Switch Anchor/Eq. MCB Miniature Circuit Breaker 110V DC. Schneider/Havels/Eq. 89a Isolator Au.contact-N/O Mani/Ima/Eq. 89b Isolator Au.contact-N/C Mani/Ima/Eq. P Switch Socket Unit 5/15 Amps Anchor/Eq. HSW Terminal Block Elme/Connectwell/Eq. LEGEND DESCRIPTION MAKE CC Closing Contactor 110/220V DC. Siemens/ Telemecanique/ABB/Eq. OC Opening Contactor 110/220V DC. Siemens/ Telemecanique/ABB/Eq. M Motor 0.5 Hp.110/220 V DC CG/Siemens/Remi/ Polyphase/Eq. OLR Overload Relay With SPP (1.0 To 1.4A) Telemecanique/Lakhsmi/ Siemens/ABB/Eq. KIMC Key Interlock Manual Contact CG/PS/Eq. LSC Limit Switch Close 10A, 2NO+2NC Keycee/Jaibalaji/ Concord/Eq. LSO Limit Switch Open 10A, 2NO+2NC Keycee/Jaybalaji/ Concord/Eq. LMR Local/Manual/Remote Selector Switch Keycee/Switron/Teknic/Eq. CPB Close Push Button L & T/Teknic/Concord/Eq. OPB Open Push Button L & T/Teknic/Concord/Eq. MPB Manual Push Button L & T/Teknic/Concord/Eq. EPB Earth Push Button L & T/Teknic/Concord/Eq. H Heater(80W, 250V)2 Nos.each Of 40W. Velico/Eq. HSW Heater Switch 5A. Anchor/Eq. TH Thermostat Velico/Mavis/Eq. LSW Lamp Switch Anchor/Eq. MCB Miniature Circuit Breaker 110V DC. Schneider/Havels/Eq. 89a Isolator Au.contact-N/O Mani/Ima/Eq. 89b Isolator Au.contact-N/C Mani/Ima/Eq. P Switch Socket Unit 5/15 Amps Anchor/Eq. TB Terminal Block Winpar/Connectwell/Eq. Switchgear Comple A-3, M.I.D.C., Ambad, Nasik - 422 010 - India. Tel : (+91) 253 2301661 to 73, Fa : (+91) 253 2382219 / 2381247 E-mail : prakash.shelar@cgl.co.in ranjan.pendharkar@cgl.co.in (eport) Web : www.cglonline.com Regd. Office : 6th Floor, CG House, Dr. Annie Besant Road, Worli, Mumbai - 400 030, India. Regional Head Quarters: North : New Delhi Vandana, 11, Tolstoy Marg, New Delhi - 110 001 Tel : (011) 23730445 Fa : (011) 23324360 East : Kolkata 50, Chowringhee Road, Calcutta - 700 071 Tel : (033) 22829681 Fa : (033) 22829942 West : Mumbai Kanjur (East) Mumbai - 400 042 Tel : (022) 25782451, 25795139 Fa : (022) 25794882 South : Chennai 3, MGR Salai, Nugambakkam, Chennai - 600 034 Tel : (044) 28257375 Fa : (044) 28231973 Data subject to change DOM-1/DEC/4K/2005 Sangam