GUARANTEED TECHNICAL PARTICULARS

I. CONTROL AND RELAY PANELS1 Dimensions of the C & R panels

i) Depthii) Overall heightiii) Width

800mm2250mm800mm or depending on the requirement

2 Dimensions of supporting channel 102mm4 Thickness of the sheet Plates

proposed for use of panelsa) Front (mm)b) Other sides (mm)

3mm2mm

II. CONTROL SWITCHES FOR CIRCUIT BREAKERS1 Make Multimode2 Type Descripency type

III. SELECTOR SWITCHES1 Make Switron2 Type Stay put3 Type of handle provided Knob4 No. of positions Four

5 No. of contacts in each positioni) Openii) Close

NA

6 Making capacity of contacts. (Amp) 10A @ 440V AC

7 Breaking capacity of contacts. (Amp) 10A @ 440V AC

IV. INDICATING LAMPS1 Make JVS2 Type Cluster LED3 Operating Voltage 110 or 220V 4 Size of lens 30mm5 Wattage of the lamp < 0.5W6 Colour of lamp As per requirement

VI. SWITCH BOARD WIRING1 Insulation of wiring 1100V2 Size of wiring conductor for the

following:i) C.T. Circuitsii) P.T. Circuitsiii) D.C. Supply Circuitsiv) A.C. Supply Circuitsv) Other Circuits

2.5sq.mm.2.5sq.mm.2.5sq.mm.2.5sq.mm.2.5sq.mm.

Contd..2

Page..2

4 Size of earthing bar for safety earthing

25x6mm

5 Type of terminals used in wiring the panel

Crimped lugs

6 Wiring conductor aluminium / copper Copper

VII. INDICATING INSTRUMENTS

AMMETER & VOLTMETER1 Type of instrument Digital2 Applicable IS IS 12483 Size 144x144mm4 Whether magnetically shielded or not YES5 Limits of error in the effective range As per IS 12486 Maximum scale length Digital7 Whether tropicalised Yes8 VA burden :

a) Current coilb) Potential coil

1VA2VA

9 Short time overload capacityi) Current coil (VA)ii) Potential coil (VA)

2 times the rated current continuous2 times the rated voltage continuous

10

Power consumption :a) Current coilb) Potential coil

0.5W1.0W

11 Temperature at which the instruments are calibrated (C)

12

Description of leaflet reference Nos. submitted

Submitted

13

Makers name and country Switron

9 Type of selector switch Stayput typeEnergy meter

1 Make Secure/L&T2 Type Static3 Size 96 sq.mm4 VA burden :

a) Current coilb) Potential coil

0.2VA/Ph.3VA on aux. Supply

5 Power consumption :a) Current coilb) Potential coil

Same as above

Contd..3

Page..3

6 I.S. Standard grade of accuracy IS 137797 Range of dial 6 digit impulse counter8 Limits of error in effective range As per IS 13779

9 Calibration for :a) CT ratiob) PT ratio

1A or 5A-/110V

10 Finish Black

VIII. ANNUNCIATORS

1 Make JVS/Alan2 Type JAV 0143 Particulars of window LED type4 Rated voltage (volts) 110/220V DC5 Power consumption (Watts) Less than 1 Watt per window6 Instantaneous making capacity of

contacts5A, 240V, 50Hz. AC; contacts are provided with 1A glass fuse in series for protection.

7 Breaking Capacity As above8 Overall dimensions of annunciator 12 window 216(W)x144(H)x 125(D)9 Descriptive leaflet number submitted Submitted

IX TRANSFORMER DIFFERENTIAL RELAY

1 Makers Name GE2 Type T603 Current coil base 1A or 5A4 Amount of Base5 Details of Harmonic Restraint Features

providedProvided with second and fifth harmonic restraint feature.

6 No of steps for Current setting on operating & Restraining Coils

Settable from 20,25,35 or 50% of rated current

7 Range of current setting Reconnectible: 8,13 and 20 times the rated current

8 Range of time setting 30ms typical9 Burden(VA)for 50cycle operating &

Restraining/Coils under Normal & fault condition

Operating ckt.:0.02VA per ph. (at rated 1A), 0.14VA per ph. (at rated 5A) Restraining ckt. 0.003VA per ph. (at rated 1A), 0.02VA per ph. (at rated 5A)

10 Mechanical stability Class index IP51, Flush mounting or rack mounting11 Whether flag are Mechanical or

ElectricalElectrical

12 Continuous and short time rating of the Relay at different times

4 times rated continuos 100 times rated for 1s

Contd..4

Page..4

13 Whether Instantaneous Over Current Protections is provided or not?

Yes

14 Tripping Characteristics Current differential element. : typical 30ms High set O/C element.: typical 20ms

15 Restraining arrangement if any for abnormal High System Voltage

Provided

16 Knee Point Voltage requirement of CTS Please refer catalogue17 Descriptive leaflet number submitted Yes

X DISTANCE PROTECTION SCHEME

1 Name of Manufacturer GE

2 Type Designation of the offered relay D60

3 Typical operating time of relay 20ms

4 Re-setting time of the relay Typical 30ms

5 The offered relay shall have polygonal characteristics with adjustable resistive and reactive reach Bidders may confirm

Confirmed

7 Number of phase and ground distance zones of protection

4 x Forward, 2 x Reverse a

8 Reach of the relay in-i) Zone I ii) Zone IIiii) Zone IIIiv) Zone IV

i) 0.10 to 250.00 in 0.01 stepsii) 0.10 to 250.00 in 0.01 stepsiii) 0.10 to 500.00 in 0.01 stepsiv) 0.1 to 500.0 in 0.1 steps

9 Timingsi) Zone II ii) Zone III iii) Zone IV

i) 0.00 to 10.00s in 0.01s stepsii) 0.00 to 10.00s in 0.01s stepsiii) 0.00 to 10.00s in 0.01s steps

10 Zero sequence compensation factor Yes

12 Suitability of the offered relay for i) Power swing blockingii) Detection of VT fuse failureiii) SOTF conditioniv) Trip Circuit Supervisionv) Protection against broken wire (line)vi) Stuck breaker condition (LBB feature)

i) Confirmedii) Confirmediii) Confirmediv) Not availablev) Confirmedvi) Confirmedvii) Confirmedviii) Confirmed

vii) Single pole tripping and reclosingviii) Thermal imaging / over load detection (All these points are to be commented upon / confirmed by the bidders)

13 A) Suitability of the offered relay for negative phase sequence imbalance condition following one of the phases of the line becoming faulty

B) Bidders may confirm if the protection provided in A above shall not operate for the two phase traction loads.

No

N/A

15 Suitability of the offered relay for Permissive under / over reachZone-I extension Event sequence recording Disturbance recordingDistance to fault to location

YesYesYesYesYes

22 Maximum permissible continuous current in the offered relay

4 times rated current.

23 Maximum permissible over voltage which the relay can sustain

100 times rated current for 1 sec.

24 Human machine interface facility in the offered relay. Bidders may confirm if front panel display with facility to scroll through settings given in the relay and to view the measurements, is available in the offered relay

Confirmed

25 Suitability of the offered relay for auxiliary DC supply. Bidders may confirm if both, 110 & 220 Volts DC supplies can be had in the offered relay or two separated relays are required for 110V & 220V

Model is separate for 110V and 220V.Offered suitable model as per

specification requirement.

26 Provision of serial ports type RS232 & RS485 in the offered relay for downloading of the data and remote communication in-line with IEC Communication protocol Bidders may confirm.

Confirmed

27 Provision of port type IRIG for time synchronization of the relay. Bidders may confirm

Confirmed. BNC Type connector for

IRIG-B

XI. DIRECTIONAL OVER CURRENT RELAYS & EARTH FAULT RELAY

1 Makers name GE2 Type F6503 Polarization

i) Currentii) Potential

30,45 & 60 deg. Lead

4 Current coil rating 1A5 Potential coil rating 110V AC6 Tap range 50-200% in steps of 10%

200 to 3200% in steps of 200% 7 VA burden:

a) Highest tapb) Lowest tap

Less than 1 VA constant at all settings

8 Power Consumption 10W9 D.C. Current carrying capacity of

tripping Contacts

Make & carry 1000W with current max. of 5A & voltage max. of 250 VDCBreak - 200W (resistive) 100W(inductive) with max. current max. of 10A & voltage max. of 250 VDC

10 Whether Relay is hand or self resetting

Self reset contacts

11 Whether extra contacts provided for actuating Alarm Bell in the relay itself

Yes. Provided

12 Whether Test Links are incorporated in the Relay or not?

NO.

13 Insulation Test Voltage (kV) 2kV RMS 50Hz. For 1 Minute14 Whether seal in contacts provided NA15 Descriptive leaflet number

submittedEnclosed

XII. AUXILIARY RELAYS FOR TRANSFORMER TROUBLE

1 Make JVS

2 Type & Designation JRV 151 / JRV 161 (S/R or H/R contacts as per requirement)

3 Nominal voltage and % variation 110V or 220V DC (75 to 120% of rated voltage)

4 Contacts, hand reset/self reset S/R or H/R contacts as per requirement

5 No. of pairs of contactsi) Make contactsii) Break contacts

4 pairs of change over contacts can be used in any combination of N/O or N/C

6 Speed operation of relay Typically 20 millisecods

7 Pick up / drop off ratio Reset value: above 10% of the rated voltage

8 Burden of relay VA 4W 9at rated voltage

9 i) Contact ratingii) Voltage

iii) Making current and duration

iv) Breaking current

a) Resistiveb) Inductive 0.3 PFc) Inductive L/R 10m sec40m sec

10 Detailed literature furnished Yes

11 Standard IEC / IS3231

XIII. HIGH SPEED TRIPPING RELAYS

1 Make JVS

2 Type designation JRV 181

3 Rating 110V or 220V DC

4 i) Operating principalii) Literature write up enclosed

Attracted armature

5 Operating time at rated voltage. Typical 10 millisecond

6 No. of Tripping Contact and rating

i) Voltage

ii) Making current and duration

iii) Breaking current

a) Resistiveb) Inductive 0.3 PFc) Inductive L/R 10m sec40m sec

4 NO + 1 NC per element

7 Hand reset/self reset contactsi) No. of NO & NC contactsii) Rating of contacts.

As above

(XIV) TRIP CIRCUIT SUPERVISION RELAY

1 Make JVS

2 Type designation JRV 911

3 Rating 110V or 220V DC per requirement

4 i) Operating principalii) Literature write-up enclosed.

Enclosed

5 Minimum voltage for satisfactory operation.

70% of the rated voltage

6 Burden 10W max.

7 Monitoring of breaker trip coil in both open and close position provided.

Yes.

8 Safety resistor provided to limit the current if the relay coil is short circuited.

Yes.

9 Output contactsi) No. of NO/NC contactsii) Rating of contacts

2NO+1NC5A

10 Time delay on drop off 400msec. appx.

11 Type of indication LED

12 Standard IEC 60255

13 Any other relevant details. -

for VENSON ELECTRIC PRIVATE LIMITED