Name:
NG TS 3.24.20 PDF
Published Date:
02/01/2000
Status:
[ Revised ]
Publisher:
National Grid
This Specification describes the functional and performance requirements for communication services used to convey teleprotection information. This includes communication requirements for unit protection, direct transfer trip systems, permissive under-reach, blocked over-reach and DAR control signalling.
The part of the teleprotection system which is covered by this Specification is shown in Figure 1. The Specification covers inter-substation communication only.
The Specification defines the teleprotection requirements for the following types of channel:
(a) Four wire, voice frequency presented channels (non power- line carrier)
(b) Digitally presented channels. The overall context of this specification in relation to the complete documentation suite is explained in NGTS 3.24.3.
| Edition : | 1 |
| File Size : | 1 file , 60 KB |
| Number of Pages : | 12 |
| Published : | 02/01/2000 |