1.3
Date Code 20170814
Instruction Manual
SEL-700G Relay
Introduction and Specifications
Features
51V
Voltage-Restrained TOC
x
x
x
x
x
51PX
Phase Time-Overcurrent
x
51PY
Phase Time-Overcurrent
x
a
x
51QX
Neg.-Seq. Time-Overcurrent
x
51QY
Neg.-Seq. Time-Overcurrent
x
51GX
Ground Time-Overcurrent
x
x
x
x
x
51GY
Ground Time-Overcurrent
x
51N
Neutral Time-Overcurrent
x
x
x
x
x
50PX
Phase Overcurrent
x
x
x
x
x
x
50PY
Phase Overcurrent
x
x
x
x
x
67PY
Directional Phase Overcurrent
x
x
50QX
Neg.-Seq. Overcurrent
x
x
x
x
x
x
50QY
Neg.-Seq. Overcurrent
x
x
x
x
x
67QY
Directional Neg.-Seq. Overcurrent
x
x
50GX
Ground Overcurrent
x
x
x
x
x
x
67GX
Directional Ground Overcurrent
x
x
x
x
x
50GY
Ground Overcurrent
x
x
x
x
x
67GY
Directional Ground Overcurrent
x
x
50N
Neutral Overcurrent
x
b
x
b
x
b
x
b
x
x
b
67N
Directional Neutral Overcurrent
x
x
x
x
x
27X
Undervoltage
x
x
x
x
x
27Y
Undervoltage
x
x
27S
Synchronism Undervoltage
x
x
x
x
59X
Overvoltage (P, Q, G)
x
x
x
x
x
59Y
Overvoltage (P, Q, G)
x
x
59S
Synchronism Overvoltage
x
x
x
x
32X
Directional Power
x
x
x
x
x
32Y
Directional Power
x
x
81X
Over/Underfrequency
x
x
x
x
x
81Y
Over/Underfrequency
x
x
81RX
Rate-of-Change of Frequency
x
x
x
x
x
81RY
Rate-of-Change of Frequency
x
x
BFX
Breaker Failure
x
x
x
x
x
x
BFY
Breaker Failure
x
x
x
60LOPX Loss of Potential
x
x
x
x
x
60LOPY Loss of Potential
x
x
25 GEN Synchronism Check
x
x
x
25 TIE
Synchronism Check
x
x
Autosynchronizer
x
x
x
Off-Frequency Accumulators
x
x
x
x
x
a
These inverse time-overcurrent elements have directional control.
b
The 50N element uses the 67NnP and 67NnT Relay Word bits for the SEL-700G0, SEL-700G0+, SEL-700G1, SEL-700G1+, and
SEL-700GT+ models.
Table 1.2
Protection Elements in SEL-700G Models
(Sheet 2 of 2)
PROTECTION ELEMENTS
Basic
Generator
Protection
Basic With
Intertie
Protection
Intertie and
Generator
Protection
Wind
Generator
Protection
21C, 25,
64G, 78
21C, 78,
87
21C, 25,
64G, 78, 87
700G0
700G0+
700G1
700G1+
700GT
700GT+
700GW
Содержание SEL-700G Series
Страница 14: ...This page intentionally left blank ...
Страница 22: ...This page intentionally left blank ...
Страница 32: ...This page intentionally left blank ...
Страница 52: ...This page intentionally left blank ...
Страница 106: ...This page intentionally left blank ...
Страница 510: ...This page intentionally left blank ...
Страница 560: ...This page intentionally left blank ...
Страница 578: ...This page intentionally left blank ...
Страница 588: ...This page intentionally left blank ...
Страница 604: ...This page intentionally left blank ...
Страница 634: ...This page intentionally left blank ...
Страница 738: ...This page intentionally left blank ...
Страница 802: ...This page intentionally left blank ...
Страница 816: ...This page intentionally left blank ...