Metering; Metering Conventions - GE D30 Instruction Manual
Line distance protection system
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Also See for D30:
- Instruction manual (686 pages) ,
- Communications manual (532 pages) ,
- Communications manual (526 pages)
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METERING
The D30 is provided with optional PRP capability. This feature is specified as a software option at the time
of ordering. See the Order Codes section in chapter 2 for details.
Total Received Port A
Total Received Port B
is a counter for total messages received with an error (bad port code, frame length too short).
Total Errors
Mismatches Port A
and LAN ID in the frame do not match).
Mismatches Port B
and LAN ID in the frame do not match).
6.3 Metering
6.3.1 Metering conventions
6.3.1.1 UR convention for measuring power
The figure illustrates the conventions established for use in UR devices.
6
6-10
is a counter for total messages received (either from DANPs or from SANs) on Port A.
is a counter for total messages received (either from DANPs or from SANs) on Port B.
is a counter for total messages received with an error on Port A (PRP frame, but port received through
is a counter for total messages received with an error on Port B (PRP frame, but port received through
D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 6: ACTUAL VALUES
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