S W I T C H G E A R C O M P L E X

OUTDOOR OFF LOAD DISCONNECTORSHCB/HDB Range

Crompton Greaves Ltd. the

name to reckon in Electrical Industry,

brings a product with its leading edge

technology to supplement its existing

range of switchgear products to

complete the scope of substation

equipment - OUTDOOR OFF LOAD

DISCONNECTORS.

SPECIAL FEATURES

• 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 ‘ready-

to-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.

Both Main and Earth Switch Open

Earth Closed Main Open

SWITCHGEAR COMPLEX

DISCONNECTORCONFIGURATION

• The main current carrying parts -

consisting of moving and fixed

contact assemblies.

• Support insulators mounted between

the current carrying parts and the

base assemblies.

• Base frame with bearing assembly.

• The operating mechanism box. (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 Box

Item Unit Value

Ambient air temperature °C -25 to +50

Ice coating mm 1, 10

Wind pressure kg / m2 150 / 195

Altitude M 1000or above as required or as required *

Earthquake g 0.3

Creepage mm / kV 25 / 31* / 40*

* Optional.

Service Ambient Conditions

Table - IIOverall Dimensions**

kV a b c3 6 800 865 650

72.5 1100 1326 1000123 1600 1744 1450145 1600 2112 1450170 2200 2350 1600245 2600 2848 2100420 4800 4420 4000

Table - IOverall Dimensions**

kV a b c3 6 800 1000 6507 2 1100 1400 1000

145 1700 2125 1450170 2200 2350 1600245 2600 2861 2100420 4100 4837 3100

DISCONNECTOR RANGE CGL manufactures,

• Horizontal centre break type HCBand Horizontal double break typeHDB, 24 kV to 420 kV classdisconnectors as per ‘TechnicalParameters’ refer table 1 to 4.

• Fully type tested at Governmentapproved laboratories like CentrePower Research Institute (CPRI) -Bhopal/Bangalore/Hyderabad andERDA - Baroda as per IEC 60129and IEC 62271-102.

• The Disconnectors incorporates

– Motorized disconnectors type CGMfor main and earth disconnectors.

– Manual gear operateddisconnector CMG.

– Manual Operated disconnectorCMO as per customerrequirement.

• Simultaneous operation of 3 poles bysingle operating mechanism upto 420kV (optional).

• Individual pole operation for 420 kV.

• Insulators are fully type tested asper IEC 273 / IS 2544 / IEC 168 /IEC 60507.

• Torsion / bending moment specialrequirement (optional).

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HORIZONTAL CENTREBREAK DISCONNECTORS

TYPE - HCB

HORIZONTAL DOUBLEBREAK DISCONNECTORS

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TYPE - HDB

** R&D being continuous process, dimensions may change as per final design.

FIG. 1

FIG. 2

TECHNICAL PARAMETERS

Table - III Horizontal Centre Break Disconnectors Type - HCB

Table - IV Horizontal Double Break Disconnectors Type - HDB

Rated Rated Rated short Rated peak Power Frequency Lighting impulse Switching impulseVoltage 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 isolatingdistance 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)

Rated Rated Rated short Rated peak Power Frequency Lighting impulse Switching impulseVoltage 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 isolatingdistance distance distance

kV A kA kAp kV kV kVp kVp kVp kVp

36/38.5 1600 2 5 62.5 7 0 8 0 170 195

72.5 1600 4 0 100 140 160 325 375

123 1600 4 0 100 230 265 550 630

145 1600 4 0 100 275 315 650 750

170 2000 40 100 325 375 750 860

245 2000 4 0 100 460 530 1050 1200

300 4000 50 125 380 435 1050 1050(+170) 850 700(+245)

420 2000 5 0 125 520 610 1425 1425(+240) 1050 900(+345)

• Our field engineers offer supervision

services for erection, test and

commissioning of disconnectors upon

request.

• Existing disconnectors can be upgraded.

• Refurbishment of existing

disconnectors is undertaken on

request.

• Replacement of insulators for

pollution level improvement.

Disconnector are routine tested as per

IEC 62271-102 / IEC 60129.ROUTINE TESTS

INSTALLATION

TY

PIC

AL

GEN

ER

AL

AR

RA

NG

EM

EN

T O

F H

DB

DIS

CO

NN

EC

TO

RS

Sr.

No.

Desc

ript

ion

Qty.

1St

ruct

ure

6

2Ba

se A

ssem

bly

3

3In

sula

tor

(Sol

id C

ore)

94

Mov

ing

Blad

e As

sem

bly

3

5Fi

xed

Cont

act

Asse

mbl

y6

6Op

erat

ing

Box

- Di

scon

nect

or1

7Op

erat

ing

Box

- Ea

rth

Swit

ch1

8M

ovin

g Bl

ade

Asse

mbl

y fo

r E.

S.3

9Fi

xed

Cont

act

Asse

mbl

y fo

r E.

S.6

10

Mec

hani

cal

Inte

rloc

k1

11

Gang

Ope

rati

ng P

ipe-

Mai

n2

Set

12

Gang

Ope

rati

ng P

ipe-

Eart

h1

Set

* As

req

uire

d by

clie

nt

x

x

x

11

10

R

M12x55

M6x

35

x

12

Y

M12x55

B

M12x55

c

x

x

x

M6x

35xx

x

xx

M6x

35

x

67

x

x

1

8

CLO

SE

CO

ND

ITIO

N O

FE

AR

TH

SW

ITC

H S

HO

WN

IN D

OT

TE

D L

INE

S

39 PL

GL

xxx

+++++++++ +++++++++

++++++++++++++++++

++++++++++++++++++

5

PL

GL

4

a

b

2

x

TY

PIC

AL

GEN

ER

AL

AR

RA

NG

EM

EN

T O

F H

CB

DIS

CO

NN

EC

TO

RS

Sr.

No.

Desc

ript

ion

Qty.

1In

sula

tor

6

2Ba

se A

ssem

bly

3

3Su

ppor

t St

ruct

ure

14

Oper

atin

g M

echa

nica

l - M

ain

1

5Ta

ndem

Pip

e2

6M

ale

Blad

e As

sem

bly

3

7Fe

mal

e Bl

ade

Asse

mbl

y3

8Ea

rth

Mov

ing

Blad

e3

9Ea

rth

Fixe

d Co

ntac

t3

10

Eart

h Ta

ndem

Pip

e2

11

Eart

h Op

erat

ing

Box

15

10

C

x

x

x

xx

8

4

PL

GL

x

x

9

FO

R C

LOS

ED

PO

SIT

ION

EA

RT

HIN

G S

WIT

CH

SH

OW

N IN

DO

TT

ED

CO

ND

ITIO

N.

1 2

A6

7

B 11

PL

PL

GL

GL

3

A/6+J1-

J2A/7

CONTROL VOLTAGE110V/220V, DC

MCB

K2

K1

K19 K2CC

K13

13 141L1 2T1

4T23L26T3

A/3

K115L3

2221

K29A/4

A/5

OCK2

OLRM8

MA2 A1

K23

M5

K11

14132T11L14T23L26T35L3

21 22

EXT.INT. 89Eb OLR-1A/8 A/9 K7 K9

K11A/16A/17

LS3

K3 A/40

EPB

K5

KIEC KIMC

A/41K2

K47

RLM

K45 K35 K33 A/12

MPB CPB

CPB

K13C/1

CC

-3

89b

A/10

OPB

OPB

K23 OC

-3

A/11B/1

89a

C/2K17

LSC

-11

K19CC

K27B/2

LS0-

10

K29OC

LATC

HING

CKT

EART

H SW

ITCH

MANU

AL I/L

LOCA

L CLO

SING

REMO

TE C

LOSI

NG

LOCA

L OPE

NING

LATC

HING

CKT

REMO

TE O

PENI

NG

ILLUMINATION CIRCUIT

HEATER CIRCUIT

RECEPTACLE CIRCUIT

240V

AC,

1Ø, 5

0Hz.

A/1 H1 MCB H3 HSWH5 TH H7 H

LSW

PSWH9

H11

L

PA/2H2 H4

A/13K93

LSO

-21

K95 K97

LSC

-20

A/14 A/15

IND

ICAT

ION

89 O

PEN

89 C

LOSE

IND

ICAT

ION

A/13K93

LSC-

20

LSO-

21

K95A/14 A/15

K97

89 O

PEN

INDI

CATI

ON

89 C

LOSE

INDI

CATI

ON

AUXILIARY SWITCH DIAGRAM89-a89-b

CM100M10

0M8CM8

0M4CM60M6

CM40M2CM2

0M20

0M18CM20

CM180M16CM16

CM140M14

0M12CM12

CM1

OM7CM7

OM3CM5OM5

CM3OM1

CM9

CM19OM19

OM17CM17

OM13

OM15CM15

CM13OM11CM11OM9

RECEPTACLE CIRCUIT

ILLUMINATION CIRCUIT

HEATER CIRCUIT

240V

AC,

1%%

C, 5

0Hz.A/1

A/2

H1

H2

MCB H3 H5 H7TB TH

H4H11H9 L

P

LSW

PSW

MOLROLR

OLR

M4M5M6

OCM1M2M3

1 23 45 63 421 22

CC1 23 45 63 421 22

MCB

RYB

N

415V AC 1%%C,50 Hz

A/6+J1-

J2A/7

K2

K1

MCBCONTROL VOLTAGE

110/220 V,DC

A/8EXT.INT.

A/9 K7A/17

89EbK9

OLR-1

A/16 K11

LS3 M

RL

A/40K3

EPB

K35K45 K33 A/12

CPB

MPB CP

B

CC-3

A/10K13K47K5

C/1

89b

OPB

OPB

K23 B/1

89a

OC-3

A/11

KIEC KIMC

K2 A/41

MANU

AL I/L

EART

H SW

ITCH

LOCA

L CLO

SING

K19

K17 C/2

LSC-

11

CC

REMO

TE C

LOSI

NG

LATC

HING

CKT

REMO

TE O

PENI

NG

LATC

HING

CKT

LOCA

L OPE

NING

K27

K29

B/2

LS0-

10

OC

Data subject to change DOM-1/DEC/4K/2005

South : Chennai

3, MGR Salai, Nugambakkam,Chennai - 600 034Tel : (044) 28257375Fax : (044) 28231973

Regional Head Quarters:

North : New Delhi

Vandana, 11, Tolstoy Marg,New Delhi - 110 001Tel : (011) 23730445Fax : (011) 23324360

East : Kolkata

50, Chowringhee Road,Calcutta - 700 071Tel : (033) 22829681Fax : (033) 22829942

West : Mumbai

Kanjur (East)Mumbai - 400 042Tel : (022) 25782451, 25795139Fax : (022) 25794882

Switchgear ComplexA-3, M.I.D.C., Ambad, Nasik - 422 010 - India.Tel : (+91) 253 2301661 to 73,Fax : (+91) 253 2382219 / 2381247E-mail : prakash.shelar@cgl.co.in

ranjan.pendharkar@cgl.co.in (export)Web : www.cglonline.com

Regd. Office :6th Floor, CG House, Dr. Annie Besant Road,Worli, Mumbai - 400 030, India.

DISCONNECTOR CONTACTOR CONFIGURATION(AC MOTOR)

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 DCCG/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 Aux.contact-N/O Mani/Imax/Eq.89b Isolator Aux.contact-N/C Mani/Imax/Eq.P Switch Socket Unit 5/15 Amps Anchor/Eq.TB Terminal Block Winpar/Connectwell/Eq.

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 Aux.contact-N/O Mani/Imax/Eq.89b Isolator Aux.contact-N/C Mani/Imax/Eq.P Switch Socket Unit 5/15 Amps Anchor/Eq.

HSW Terminal Block Elmex/Connectwell/Eq.

(DC MOTOR)

Sang

am