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TitleSS_09 05 17
TagsCable Relay Electrical Substation Electrical Impedance Electrical Conductor
File Size68.9 KB
Total Pages8
Table of Contents
                            Sheet1
                        
Document Text Contents
Page 1

ANNEXURE-1

INPUTS REQUIRED OF CONGO CROSS SUBSTATION

S.No. Inputs Required Remarks

1

1) Incomer from Kingtom -1 details :

Type of conductor AL

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 )

Number of runs 1 1

Number of core 3

Area of conductor 185mm2

Type of conductor copper

Activity Responsibility
(K & A)

Date of Received
Inputs

Substations wise Inputs
Required :

a) Congo Cross 11KV
Switchgear

a) Cable details

Number of runs 1

Number of core 3

Area of conductor 3 x 185 mm2

Length of cable 2862 m

Type of Insulation PILC

b) Protection Relay details

Type MCGG

Model Number MCGG52H1CD0753D

Type of Curve STANDARD INVERSE

Relay Setting values of existing system 420 A

c) Maximum Load Demand 400 A

d) Power Factor 0.8

e) X/R ratio.

f) Circuit Breaker Operation Philosophy

g) Short Circuit Current (KA) [email protected]

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

a) Cable details

mailto:[email protected]

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