Name:
NG TS 3.06.01 PDF
Published Date:
02/01/1995
Status:
[ Withdrawn ]
Publisher:
National Grid
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 |