Data Schedule1

7/27/2019 Data Schedule1

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1.0 SYSTEM CONDITIONS

1.1 Nominal Voltage

1.2 Maximum Voltage

1.3 Number of Phases

1.4 Frequency

1.5 Max. symmetrical Fault level

1.6 Type of Neutral Earthing

1.7 Limited Earth Fault Current thro ET

2.0

2.1 Altitude above sea Level

2.2 Max / Min Air Temperatures

2.3Mean Max Air Temperature

2.4 Mean Max Exposed Sun-light Temp

2.5 Solar Radiation - Peak

2.6 Max. Relative Humidity at >300 C

2.7 Wind speeds

2.8 Regional open Air Climate

2.9 Excessive dust

2.10 Excessive Salt mist

2.11 Condensation

2.12 Vibration Due to heavy Vehicles

2.13 Service condition class

2.14 Local Control of Humidity & Temp

2.15 Environmental Conditions - Category

3.0 APPLICABLE STANDARDS

3.1 AC metal enclosed Switchgear

3.2 HV Switchgear Common specs.

3.3 HV Circuit Breakers

3.4 HV AC Disconnector & Earth Switches

3.5 HV AC Switches

3.6 For Other applicable standards

4.0 SWITCHGEAR CHARACTERISTICS

4.1 Manufacturer Name (vendor to specify)

4.2 Place of Manufacturing (vendor to specify)

A. 11kV SWITCHGEAR PANELS Common Parameters for All Types of Panels

NORMAL & SPECIAL SERVICE CONDITIONS


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4.3 Product Model/Type (vendor to specify)

4.4Switchgear shall be metal enclosed, air-insulated, with vacuum circuit-breaker,

and withdrawal type

4.5 Main Device (CB truck) shall be withdraw-able, roll-on floor operated

4.6 CB truck shall be Horizontal Isolation, Horizontal withdrawal type

4.7Application of the switchgear shall be suitable for Electricity Secondary

Distribution Network under specified service conditions

4.8 Usage Area/Class

4.9 Type of Bus-bar system

4.10 Compartments Partition class

4.11 Loss of Service continuity - Category

4.12 Rated Voltage (Ur )

4.13 Number of Phases4.14 Rated frequency (fr )

4.15 Rated Insulation Level:

- Rated LI withstand voltage

- Phase to Earth

- Across Isolating Distance

- Rated power frequency withstand voltage

- Phase to Earth

- Across the isolating distance

4.16

- Incomer

- Main Bus-bar

- Feeder

4.17 Rated short-time with-stand current (Ik)

- For Group-A Switchgear panels

- Main Circuit

- Earth Circuit

- For Group-B Switchgear panels

- Main Circuit

- Earth Circuit

4.18 Rated duration of short circuit (tk)4.19 Rated peak withstand current (Ip)

- For Group-A Switchgear panels

- Main Circuit

- Earth Circuit

- For Group-B Switchgear panels

- Main Circuit

- Earth Circuit

Rated Normal Current (Ir ) at +500 C and specified service conditions (Submit cal


3/39

4.20Rated supply voltage of closing/opening devices And of auxiliary and control

circuits (Ua)

4.21 Rated Voltage & Frequency of spring charge motor

4.22 Degrees of Protection

- Enclosure

- Bus-bar & cable compartments, Internal partitions

- Circuit-Breaker Compartment

- Door Closed- Door Opened

- LV Compartment

- Shutters & Spouts

- Pressure relief Flaps

- VT compartment (where applicable)

4.23 Partial Discharge test voltage shall be as per

- Typical partial discharge values observed

4.24 Busbar & Line Earthing

- Main Bus-bar Earthing shall be by an separate integral Earth Switch or with

suitable interlocks using Cable Earth Switch

- cable/ Line (Circuit) Earthing shall be by integral Earth switch

5.0

CIRCUIT BREAKER & ISOLATOR/DISCONNECTOR CHARACTERISTICS ,for F class

switchgear additional & individual data schedule to be added for

ISOLATOR/DISCONNECTOR

Name of manufacturer (vendor to provide)

Model/Type Designation (Vendor to provide)

Generic Type

Isolation type

Fully solid Insulated/encapsulated

Applicable standards

Rated Voltage (Ur)

No of poles (phases)

Class

Rated frequency

Rated Normal Current at 500 C ambient

Temperature rise at full-load *

Rated Lightning withstand voltage

- Phase to earth


Rated power frequency withstand voltage

- Phase to earth


Rated short-time withstand current (Ik)- For Group-A panels at 3 sec (tk) duration

- For Group-B panels at 3 sec (tk) duration

Rated peak withstand current (Ip)

- For Group-A Panels

- For Group-B Panels

Rated Operating Sequence

Rated short-circuit breaking current (Isc)

- For Group-A panels (ac r.m.s Component)


4/39

- For Group-B panels (ac r.m.s component)

Rated short-circuit making current

- For Group-A panels

- For Group-B panels

Rated Cable charging breaking current (Ic)

Rated Mechanical Endurance class

Rated Electrical Endurance Class

Rated supply voltage of closing/opening devices And of auxiliary and controlcircuits (Ua)

Rated Voltage & Frequency of spring charge motor

Rated time quantities (offered values to be mentioned by vendor)

- Opening time

- Arcing time

- Break-time

- Make time

- Pre-arcing time

- Closing time

6.0 ENCLOSURE & COMPARTMENTS OTHER TECHNICAL REQUIREMENTS

Layout and access- CB Compartment at Floor level & Having Front Access

- Cable & CT compartment at Floor Level, with rear access

- Bus-bar compartment is above Cable comp, with side & top access

- LV Compartment is above CB compartment. with front access

- VT Compartment, if located on rear-top shall have rear access

Material of Construction

- Main Bus-bar - Hard drawn, high conducting Electrolytic Copper

- Main Bus-bars cross-section size (width x Thickness), in mm

- Main Bus-bars in all compartments, connecting strips to VT , E/S and CVDs

shall be fully insulated with heat-shrink sleeves

- Earth-Bars cross section ( width x Thickness), in mm

- Enclosure body/Partitions/Shutters shall be metallic

- Thickness of the Enclosure sheet, in mm

- All nuts, bolts, washers, hinges shall be made of non-corrosive alloy steel or

stainless steel

Other requirements for Switchgear Panels

- Enclosure/partitions/Shutters to be Individually earthed

- Inter-panel jointing (assembly work) shall be made easy by using fewer

number of bolts & nuts of robust design, instead of using too many of smaller

size bolts & nuts

- Use of proper spring washers shall be mandatory for any inter-panel

assembly work, foundation bolts, jointing, fixing of mechanical and electrical

connections- All bolts & nuts shall be tightened to their respective torques and marked

with distinct colour (torque marks).

-The frame of each panel assembly work shall be so rigid that, during

installation, the aligning of internal components including CB truck movement

shall not be affected due to uneven floor surface conditions. Assembly work

shall not be sensitive

- Removable type circuit labels as described in this specification shall be fixed

both on front & back of each panel


5/39

- Danger symbols shall be permanently marked on both front & back of each

panel (stickers are not acceptable)

- Painting work on panels shall not have any scratches/peel-offs/ chippings,

and quality requirements shall comply with the spec

- Two name plates, with all details as specified, shall be fixed one on front side

and other at rear side of each panel.

- CT name plates details shall be permanently fixed at panel rear wall, in LV

Cabinet, and on CT itself in every panel

-All metal work & Live components shall not have any sharp edges

All un-used holes/openings/orifices/cable entry holes/inter-compartmental

wiring apertures shall be closed with caps/plugs. (temporary arrangements

like silicone sealing/foam filling are not acceptable)

- All entry holes for earth bus-bars shall be fully closed without gaps with

proper sealing grommets, plates etc. (temporary arrangements like silicone

sealing/foam filling are not acceptable)

-Pressure relief flaps for internal arc protection shall be located on top of panel

For CB compartment

- Main Door Hinges shall be Robust design & Construction

- Pad-locking facility for main door, as specified, shall be provided

- Proper alignment of main contacts of CB shall be ensured

- Shutters shall be clearly paint marked with BUSBARS and FEEDERS

respectively with large white letters.

-Bus-bar shutter shall be RED coloured, and that of Feeder shall be LEMEN

YELLOW

-Caution symbols are also to be paint marked on the shutters along with

legend markings.

-Shall have integral manual shutter opening device. The device mechanismshall have facility for opening & latching individual shutter in open condition.

-Insertion of CB truck into the compartment shall override the manual shutter

operating device and normal shutter operation is restored

-Individual Shutters shall have pad locking facility when shutters are in closed

condition

-For BUS-SECTION panels, provide arrow markings on the shutters as specified

(indicating direction of bus-section connected)

-Viewing window, as specified, shall be fixed on front door

-Permanent phase colour markings shall be made (no stickers)

-For Bus-bar Compartment-Main Bus-bars shall be fully insulated with heat-shrink sleeves

-Loose taping on bus-bar joints & connections are not acceptable

-All bus-bar joints & connections shall be shrouded with insulating boots, as

specified.

-There shall not be any scope to enter water droplets (due to condensation)

into these joints & connections


6/39

-

-Bus-bar end covers design shall be such that there shall be easy access

without any hindrance for installing or dismantling. But, the screws or bolts

used for this purpose shall not be accessible from outside.

-For Cable Compartment

- -All 11kV cable entry shall be from rear bottom of panels

-Capable of terminating 3Core XLPE and PILC cables up to 300mm2

--Cable terminal connections shall be suitable for making heat-shrinkterminations with right-angled or straight insulating boots.

-

-Clearance between 11kV connection terminals and bottom plate shall not be

less than 650mm.

-Viewing window, as specified, shall be fixed on rear door

-

-Proper alignment between cable entry holes at bottom and the cable

connecting terminals shall be maintained

-All panels shall be supplied with required number of un-insulated brass

wiping glands conforming to BS 2562 & Size Y

-Matching mounting holes (free holes without any welded nuts) at cable entry

points on bottom plate shall be made to fix the glands

-Cable entry & gland mounting holes shall be closed with temporarycaps/plugs/blanking plates when panels are supplied

-Permanent phase identification colour markings (preferably by screen

printing) shall be provided both inside the cable compartment and outside on

the rear cover

7.0 OPERATIONAL REQUIREMENTS

All normal operations shall be possible only when main door is in closed

condition

Ensure correct alignment of all front orifices with respective

mechanisms/handles

All orifices meant for operations, shall remain in closed in normal condition,

with the help of spring-loaded self-closing shutters/covers, and automaticallyget closed when the operating handles are removed from the orifices.

Rack-in rack-out operations shall be easy to be operated with single hand

Rack-in/rack-out operation shall be smooth without any bumpy/jerky

movements

Mechanical spring charging of CB shall be possible with main door both in open

& closed conditions

Mechanical spring charging shall be possible in both CB truck in TEST or

SERVICE positions

Mechanical tripping/opening of CB shall be made through the operation of

mechanical push-buttonMechanical tripping/opening of CB shall be possible in both main door closed

and open conditions

Mechanical tripping/opening of CB shall be possible in both CB truck in TEST or

SERVICE positions

Mechanical closing of CB shall be possible with CB truck in both TEST and

SERVICE positions.


7/39

Under emergency requirements, mechanical closing of CB shall be possible in

main door open condition, by disabling the main door interlock

There shall be pad-locking arrangement for disabling mechanism of main door

interlock.

Related instructions for disabling the main door interlock shall be permanently

printed on front of main door.

Remote/Local selection for Electrical operation of CB shall be made through

cam operated selector switch fitted for the purpose on LV compartment door

Electrical closing & opening operations of CB shall be accomplished through

cam operated switch fitted for the purpose on the LV compartment door

Electrical closing operation of CB shall be incorporated with anti-pumping

feature

Electrical closing operation of CB shall be incorporated with trip-free feature

Earth switches shall be operated mechanically from front side of the panel with

the help of operating handles8.0 MECHANICAL & ELECTRICAL INDICATIONS

All mechanical status or position indications shall be through positively driven

mechanisms in both directions of their operations.

Precise mechanical position indicators shall be available at front of the panel to

indicate exact positions of CB truck in TEST or SERVICE positions.

Mechanical status indicators of spring charge mechanism shall be provided on

the CB truck. CLOSE status shall be indicated with suitable symbol along with

inscriptions engaged. OPEN status shall be indicated with a blank disengaged

using standard colour backgrounds

Mechanical status indicators of CB ON/OFF positions shall be available at front

of the panels by using standard colours for background and letters. If these are

provided on the CB truck, shall be clearly visible from front viewing window

both in TEST & SERVICE positions.

Mechanical status indicators of Earth Switches ON/OFF positions shall be

available at front of the panels by using standard colours for background and

ON/OFF inscription letters.

Operations counter shall be provided on CB truck and visible from viewing

window

Clear and permanent demarcation lines shall be marked inside CB

compartment to precisely indicate the positions of CB truck in TEST and

SERVICE positions

Electrical status indication of CB ON/OFF positions shall be made through

indicator lamps using standards colours of light

9.0 PAD-LOCKING PROVISIONS

CB compartment main door shall have padlocking facility

LV compartment door shall have padlocking facility

CB trip/close electrical cam switch shall have padlocking facility

Remote/Local electrical selector switch shall have padlocking facility


8/39

Earth switches operation shall have padlocking facility in both ON/OFF

positions

CB trip/open mechanical push-button shall have padlocking facility

CB mechanical close push-button shall have padlocking facility

Shutter of CB compartment shall have padlocking facility

VT shutters/operating handle shall have padlocking facility

Main door interlock defeating mechanism shall have padlocking facility

Locking the isolator cum earthing switch in the isolated and earthed position

10.0

INTERLOCKS (MECHANICAL & ELECTRICAL) : Manufacturers need to provide all

required mechanical & electrical interlocks for safe and logical operation of

the switchgear panels. They may consider including additional interlocks,

wherever required, over and above the mandatory interlocks mentioned

below.

Additional & Individual DATA SHEET to be added for ISOLATOR

/DISCONNECTOR interlocking with reference to clause 8.3

WHEN

CB truck in SERVICE positionCB truck in SERVICE position

CB truck in SERVICE position










CB truck in INTERMEDIATE position




CB truck in TEST position









9/39








Manual spring charging is initiated

Bus-bar Earth Switch is closed

B ENERGY METERS REQUIREMENTS

General- Conforming to latest IEC standards unless other-wise specified

- Generic type: Static/Digital with 5-Yrs warranty

- Shall be fitted only in Type-5/Type-6/Type-7 switchgear panels

- Suitable for Indoor application under specified special service conditions

- Maters shall be matched and rated to operate to required degree of accuracy

in conjunction with the related VT and CTs

- Flush mounted in LV compartment in concerned switchgear panels

- Meter cases (enclosures) shall be fully insulated

- Suitable for 3-ph un-balanced loads

- Meters shall have roller-counter type numbers/digits for display of reading

- The numbers/digits shall be 6mm high

- Meters shall have direct reading facility without need for multiplying factor

- Meters shall have facility to accept wire-seals on removable covers

- Each meter shall be supplied fitted with panels (loose supply not acceptable)

- Each Meter supplied along with its own calibration certificate

E E) PROTECTION RELATED DATA SCHEDULE FOR

TYPE-1 PANELS

TRANSFORMER CBS WITH OVER-CURRENT AND EARTH FAULT PROTECTION

SPECIFICATION (FOR 11/0.433KV TRANSFORMERS UP TO 1600KVA)

Current Transformers for O/C & E/F protection

-CT Ratio

-Number of CTs

-Class

-Burden

-Short Circuit current for 3 sec (based on Group-A/B/C of Panel)


10/39

-Name of Manufacturer

-Manufacturer type/model designation

-Reference of Type test reports submitted (as per IEC standards)

Current Transformers for Instruments

-CT ratio

-Number of CTs

-Class

-Burden-Short Circuit current for 3 sec (based on Group-A/B of panel)

-Name of Manufacturer


-Reference of Type test reports submitted (as per IEC standards)

Protection Relays (EDMIT) for O/C & E/F protection (51/51N & 50/50N)

Type: Over-current and Earth-Fault protection instantaneous and time

delayed Relay Characteristics

4-pole extremely inverse definite minimum time (EIDMT) over- current &

earth fault protection relay with high set instantaneous over current and

earth fault elements (51/51N & 50/50N). Including other IEC inverse

curves.Relay Generic type/design/settings

-Numeric with 5-Yrs warranty

-Name of Manufacturer & Country of Origin


-Range of Over-current EIDMT setting

-High-set instantaneous over-current setting range

-Range of earth-fault EIDMT setting

-Range of high set instantaneous Earth-Fault setting

-Type of Indication shall be LED indication

-Rated tripping & relay supply voltage

-Suitable test block fitted for routine check

SOTF (Switch on to fault) Facility

Shall be wired through CB closing and Local/Remote switches

High set element of O/C & E/F shall enable tripping of the CB with minimum

time duration, if any fault occurs/prevails during closing operation of CB

SOFT relay setting will be done locally by KM staff

Trip circuit supervision shall be wired and enabled through the protection

relay for trip circuit supervision, CB open/close condition

Ammeters

Generic Type Moving Iron type, Flush mounted

Bezel sizeAccuracy class

No of Ammeters to be fitted (one for each phase)

Scale/Range: 0-100A, suitable for CT mentioned above

Suitable CT ratio

Name of Manufacturer & Country of Origin

Inter trip Facility


11/39


12/39

Relay type : Electromagnetic/static/numeric with 5 yrs warranty

Name of Manufacturer

Manufacturer type/model designation

Current rating

Rated insulation

Relay shall work with 2 pilot cores

Rated DC voltage

Current check-guard relay to be provided (for numeric relays)-Name of Manufacturer

-Manufacturer type/model Designation

-Generic type of relay (numeric etc)

- Over-current (O/C) setting range

- Earth-Fault (E/F) setting range

Pilot wire Supervision Relay to be provided


Manufacturer type/model Designation

Generic type of relay (numeric/static etc)

- Suitable pilot wire supervision scheme to be provided

- Panels with No. of sending & receiving end supervision relays

IDMT over-current & Earth-Fault Protection (51/51N)

Relay type : 4pole numeric with 5 yrs warranty with all the IEC inverse cu



Current rating

Voltage rating

3 x Over-current elements with settings range

1 x Earth-fault element with setting range

Suitable Test terminal facility for relay testing shall be provided

Type of trip Indication (LED)

OC & E/F fault protection trip shall have independent indications



High set element of O/C & E/F shall enable tripping of the CB with

minimum time duration, if any fault occurs/prevails during closing

operation of CB


Trip circuit supervision shall be wired and enabled through the

protection relay for trip circuit supervision

Ammeter


No of Ammeters to be fitted (one for each phase)Scale/Range: 0-400A and suitable for CT mentioned above

Bezel size

Accuracy class

Suitable for CT ratio


Tripping Supply

Tripping supply wires shall be wired from adjacent panels either from left or

right side


13/39

Size of 30VDC supply wires for tripping shall be 4C X 4mm2 Stranded

CU/PVC/SWA/PVC as per BS 6346

Size of inter-trip wires shall be 4C x 2.5mm2 CU/PVC/SWA/PVC as per BS 6346

Pilot Cable termination

Connecting terminals in the pilot wire marshalling (control) box shall be

suitable for connecting 4C x 4mm2 CU/XLPE/SWA/PVC cable

5 numbers of M25 cable glands(brass) are to be provided at bottom of Pilot

Cable marshalling box for terminating

G) PROTECTION RELATED DATA SCHEDULE FOR

TYPE-3 PANELS

BUS-SECTION (BUS COUPLER + BUS-RISER) CB PANELS WITH OVER-CURRENT &

Current Transformers for O/C & E/F protection

CT Ratio

Number of CTs

Class

burden

Short circuit current for 3 sec (based on Group-A/B of Panel)

Name of Manufacturer & Country of OriginManufacturer type/model designation

Reference of Type test reports submitted (as per IEC standards)


CT ratio

Number of CTs

Class

Burden

Short circuit current for 3 sec (base on Group-A/B/C of Panel)



Reference of Type test reports submitted (as per IEC standards)

IDMT over-current & Earth-Fault Protection (51/51N)

Relay type : 4 pole numeric with 5 yrs warranty



Current rating

Voltage rating

3 x Over-current & 1 Earth-Fault IDMT and Definite characteristic

Relay characteristics: All IEC inverse curves

This relay shall be suitable for tripping directly and shall be wired fully

If relay is numeric type, it shall be wired for 3 Pole O/C + E/F relay

Suitable Test Terminal Block for relay testing shall be provided

Type of trip Indication ( LED)OC & E/F fault protection trip shall have independent indications







14/39

Trip circuit supervision shall be wired and enabled through the protection relay

for trip circuit supervision

Ammeter


No of Ammeters to be fitted (one for each phase)

Scale/Range: (suitable for CT mentioned above)

Bezel Size

Accuracy ClassSuitable for CT ratio


Tripping Supply

Supply voltage

Tripping supply wires wired from adjacent panels either from left or right side

Size of 30VDC supply wires for tripping shall be 4C X 4mm2 Stranded

CU/PVC/SWA/PVC as per BS 6346

H) PROTECTION RELATED DATA SCHEDULE FOR

TYPE-4 PANELS

FEEDER CB PANELS WITH PILOT WIRE PROTECTION AND DIRECTIONAL OVER

CURRENT (DOC) & DIRECTIONAL EARTH FAULT (DEF) PROTECTION

Current Transformers for Pilot wire protection

CT Ratio

Number of CTs

Class

burden

Short Circuit current for 3 sec (based on Group-A/B of panel)

Name of Manufacturer & Country of Origin (supplier to specify)

Manufacturer type/model designation (supplier to specify)

Knee Point Voltage (supplier to provide data & specify the formula)

[Supplier to Note: The Knee point voltage should be established by

calculation for 25/31.5 kA faults current using the formula provided by

the pilot wire protection relay manufacturer and with data of loop

resistance]

CT resistance for 300/5 ratio (in ohms)

CT resistance for 400/5 ratio (in ohms)

Excitation current at Knee Point Voltage

Reference of Type test reports submitted

Current Transformers for DO/C & DE/F protection

CT Ratio

Number of CTs

Classburden






CT ratio

Number of CTs


15/39

Class

Burden





Pilot Wire Protection (PWP) - (87P)

Details same as those mentioned underType-2 panelDirectional O/C & Directional E/F Protection (67/67N)

Relay type : 4 pole numeric with 5 yrs warranty



Current rating

Voltage rating

If relay is numeric type it shall be wired for 3 pole O/C + E/F

3 Single pole Directional O/C IDMTL relays, 450 current leading, 5A,

voltage polarizing 110Vac 50Hz in phases R & B / 3 phase

Over current setting range

One single pole Directional E/F IDMTL relay, range 10-40%, 12.50

or150 current lagging (multiple angle selection relay)

Earth-Fault Setting Range

Suitable Test terminal facility for relay testing shall be provided

Type of trip Indication (Mechanical flag/LED)

OC & E/F fault protection trip shall have independent indications






16/39


17/39


18/39


19/39


20/39

kV 1

kV 12

No 3

Hz 50

kA 25/31.5

By Earthing Transformer (ET) at Primary Sub-

station

kA 4.5

Less than 100

50 / 5

45

75

1030

100

More than 15

Hot sub-tropical

Present

Present

Frequent Occurance

Possible

Indoor

None

3K6/3Z11/3Z4/3B2/3C2/3S3/3M2

IEC 62271-200

IEC 62271-1

IEC 62271-100

IEC 62271-102

IEC 62271-103

Refer main document

OfferedUNIT

DATA VALUES

Required


21/39

Yes

Yes

Yes

Yes

Indoor

Single

PM

LSC2B

kV 12

No 3Hz 50

kV 75

kV 85

kV 28

kV 32

A 400

A 800

A 400

kA 25

kA 25

kA 31.5

kA 31.5

sec 3

kA 62.5

kA 62.5

kA 80

kA 80

lculation sheet if offered ratings are based on 400 C)


22/39

V, DC 30

V, AC 240V ac, 50Hz

IP 41

IP 3X

IP 41IP XX

IP 41

IP 3X

IP 41

IP 41

IEC 60270

pC

Yes

Yes

Vacuum, (FMW C F )

Horizontal withdrawal &roll- on-floor type

Yes

IEC 62271-100, 62271-1

kV 12

No 3

Indoor

Hz 50

A 400

K

kV 75

kV 85

kV 28

kV 32

kV 25

kV 31.5

kA 62.5

kA 80

O 0.3sec CO - 3min - CO

kA

kA 25


23/39

kA 31.5

kA 62.5

kA 80

A 25

Class M2 (10,000)

Class E2

V, DC 30

V, AC 240Vac, 50Hz

ms

ms

ms

ms

ms

ms

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Sheet Steel

Yes

Yes

Yes

Yes

Yes

Yes

Yes


24/39

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

YesYes

Yes

Yes

Yes


25/39

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes


26/39

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes


27/39

Yes

Yes

Yes

Yes

Yes

Yes

Yes

AND Interlock to be satisfied

CB is closed Cable E/S cannot be closedCB is closed Bus-bar E/S cannot be closed

CB is closed CB truck cannot be racked-out

CB is closed Cannot open the main door

CB is closed Cannot remove LV control Plug

CB is opened CB truck can be racked-out

CB is opened Cannot open the main door normally

CB is opened Cannot remove LV control plug

CB is opened Cable E/S cannot be closed

CB is opened Bus-bar E/S cannot be closed

Main contacts fully not

closedCB cannot be closed

CB is closedPrevent un-desirable operation of any

mechanical selectors/interlocks

- Cannot remove LV control plug

- Cannot open the main door

- CB cannot be closed

-Cannot charge the Spring mechanically or

Electrically

CB is closed CB truck cannot be racked-in

CB is closed Main door can be opened

CB is opened Main door can be opened

CB is opened and LV

plug connected CB truck can be racked-in

CB is opened, but LV

plug disconnectedCB truck cannot be racked-in

CB is opened LV plug can be removed

CB is closed LV plug can be removed

CB is opened, and

Feeder Cable is dead

Cable E/S can be closed


28/39

CB is closed, and

Feeder cable is dead

Cable E/S can be closed

CB is opened, and

Feeder Cable is liveCable E/S cannot be closed


plug connectedCB truck cannot be racked-out


plug disconnected

CB truck can be racked-out

LV plug is connected CB can be closed

LV plug disconnected CB can be closed mechanically

Cable E/S is Closed CB truck cannot be racked-in

- Spring charge motor cannot be operated

-

CB trucks cannot be racked into SERVICE

position (in the section)

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

100/5A

3

5P10

15 VA

25/31.5 kA


29/39

100/5A

3 No

1.0

15VA25/31.5kA

Yes

Yes

30VDC

Yes

Yes

Yes

Yes

Yes

72 x 721

3 Nos

100/5A


30/39


31/39

5A

5kV

Yes

30VDC

Yes

Yes

Yes

(50% +50%)

rves

5A

30VDC

50-200%

20-80%

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

3 NosYes

72x72mm

1

400/5A


32/39

Yes

Yes

ARTH FAULT IDMT PROTECTION

400/5A

3

5P10

15 VA

25/31.5 kA

400/5A

3 No

1

15 VA

25/31.5 kA

5A

30VDC

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Yes


33/39

Yes

Yes

3 Nos

0-400A

72x72mm

1400/5A

30VDC

400/300/5A

3

X

15 VA

25/31.5 kA

-

-

Yes

-

-

400/5A

3

5P1015 VA

25/31.5 kA

400/5A

3


34/39

5P10

15 VA

25/31.5 kA

5A

30VDC

Yes

Yes

50-200%

Yes10-80%

Yes

Yes

Yes

Yes

Yes


35/39


36/39


37/39


38/39


39/39

Documents

Data Schedule1