SS_09 05 17

ANNEXURE-1 INPUTS REQUIRED OF CONGO CROSS SUBSTATION S.No.

Activity

Inputs Required

Responsibility (K & A)

Substations wise Inputs Required : 1

a) Congo Cross 11KV Switchgear

1) Incomer from Kingtom -1 details : a)

Cable details

Number of runs

1

Number of core

3

Area of conductor

3 x 185 mm2

Type of conductor

AL

Length of cable

2862 m

Type of Insulation

PILC

Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG

Model Number Type of Curve

MCGG52H1CD0753D STANDARD INVERSE

Relay Setting values of existing system

420 A 400 A

c)

Maximum Load Demand

d)

Power Factor

e)

X/R ratio.

f)

Circuit Breaker Operation Philosophy

0.8

g) Short Circuit Current (KA)

20kA@3s

2) Outgoing to Murray Town details: STEG(No Breaker) a)

Cable details

Number of runs

1

1

Number of core

3

Area of conductor

185mm2

Type of conductor

copper

Date of Received Inputs

Remarks

Length of cable Type of Insulation

XLPE

Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG MCGG52H1CD0753D

Model Number Type of Curve

STANDARD INVERSE 220 A

Relay Setting values of existing system

400 A

c)

Maximum Load Demand

d)

Power Factor

e)

X/R ratio.

f)

Circuit Breaker Operation Philosophy

0.8

g) Short Circuit Current (KA)

20kA@3s

3) Outgoing to Murray Town details: a)

Cable details

Number of runs

1(ABC)

Number of core

3

Area of conductor

3 x 150 mm2

Type of conductor

Al

Length of cable

250 m

Type of Insulation

XLPE

Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter )

Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG MCGG52H1CD0753D

Model Number Type of Curve

STANDARD INVERSE 320 A

Relay Setting values of existing system

400 A

c)

Maximum Load Demand

d)

Power Factor

e)

Circuit Breaker Operation Philosophy

0.8

f) Short Circuit Current (KA)

4) Outgoing to Signal Hill HT feeder details: a)

Cable details

Number of runs

1

Number of core

3

Area of conductor

3 x 240 mm2

Type of conductor

COPPER

Length of cable

1100 m

Type of Insulation

PILC

Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG MCGG52H1CD0753D

Model Number Type of Curve

STANDARD INVERSE

Relay Setting values of existing system c)

Maximum Load Demand

d)

Power Factor

e)

Circuit Breaker Operation Philosophy

f) Short Circuit Current (KA)

260 A 400 A 0.8

20kA@3s

5) Bus Coupler details (No Breaker): a)

Cable details

Number of runs Number of core Area of conductor Type of conductor Length of cable Type of Insulation Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG MCGG52H1CD0753D

Model Number Type of Curve

STANDARD INVERSE 260 A

Relay Setting values of existing system c)

Circuit Breaker Operation Philosophy.

d) Short Circuit Current (KA)

6) Outgoing to Wilberforce HT feeder details : a)

Cable details

Number of runs

1

Number of core

3

Area of conductor

185 mm2

Type of conductor

COPPER

Length of cable

2500 m

Type of Insulation

XLPE

Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter )

150 ACSR

Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG MCGG52H1CD0753D

Model Number Type of Curve

STANDARD INVERSE 520 A

Relay Setting values of existing system c)

Circuit Breaker Operation Philosophy.

d) Short Circuit Current (KA)

20kA@3s

7) Outgoing to Bata Plastic HT feeder details : a)

Cable details

1

Number of runs

3

Number of core Area of conductor

3 x 120 mm2

Type of conductor

COPPER

Length of cable

2500 m

Type of Insulation

XLPE

Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type Model Number Type of Curve

MCGG MCGG52H1CD0753D STANDARD INVERSE

Relay Setting values of existing system c)

Maximum Load Demand

d)

Power Factor

e)

Circuit Breaker Operation Philosophy.

200 A 200 A 0.8

f) Short Circuit Current (KA)

8) Outgoing to Technical Institute details: (No Breaker & Cable is Faulty) Faulty

a)

Cable details

Number of runs

NO CABLE

Number of core Area of conductor Type of conductor Length of cable Type of Insulation Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG

Model Number Type of Curve

MCGG52H1CD0753D STANDARD INVERSE

Relay Setting values of existing system

260 A

c)

Maximum Load Demand

400 A

d)

Power Factor.

e)

0.8

Circuit Breaker Operation Philosophy.

f) Short Circuit Current (KA)

9) Outgoing to Local Trafo of 1000 KVA details: a)

Cable details

Number of runs Number of core

1 single

Area of conductor

1 x 70 mm2

Type of conductor

COPPER

Length of cable Type of Insulation

8m XLPE

Type of Shield Type of Sheath Armour & Jacket Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter )

Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG MCGG52H1CD0753D

Model Number

STANDARD INVERSE

Type of Curve

Relay Setting values of existing system

50 A

c)

Maximum Load Demand

50 A

d)

Power Factor.

e)

0.8

Circuit Breaker Operation Philosophy.

f) Short Circuit Current (KA)

10) Incomer from Freetown 161 JICA HT details : a)

Cable details

Number of runs

1

Number of core

3

3 x185mm2

Area of conductor

COPPER

Type of conductor Length of cable

200 m (UG) + 3300m (OHL)

XLPE

Type of Insulation Type of Shield Type of Sheath Armour & Jacket

Impedance ( Zero, Positive & Negative – R Parameter ) Impedance ( Zero, Positive & Negative – X Parameter ) Impedance ( Zero, Positive & Negative – L Parameter ) Impedance ( Zero, Positive & Negative – Z Parameter ) Impedance ( Zero, Positive & Negative – C Parameter ) b)

Protection Relay details

Type

MCGG MCGG52H1CD0753D

Model Number Type of Curve

STANDARD INVERSE

Relay Setting values of existing system c) Circuit Breaker Operation Philosophy. d) Short Circuit Current (KA)

400 A