NG TS 3.06.01 PDF

NG TS 3.06.01 PDF

Name:
NG TS 3.06.01 PDF

Published Date:
02/01/1995

Status:
[ Withdrawn ]

Description:

National Grid Technical Specifications - Unit Feeder Main Protection

Publisher:
National Grid

Document status:
Active

Format:
Electronic (PDF)

Delivery time:
10 minutes

Delivery time (for Russian version):
200 business days

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This Specification describes the functional and performance requirements for a unit protection system for 2-terminal or 3-terminal feeder circuits on the NGC 400 kV and 275 kV system. The circuits may comprise overhead or underground conductors or a mixture of both. The principles of measurement or types of unit protection considered by this Specification are phase comparison, directional comparison and current differential or combinations thereof.


Edition : 2
File Size : 1 file , 100 KB
Number of Pages : 20
Published : 02/01/1995

History


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