4.148
SEL-700G Relay
Instruction Manual
Date Code 20170814
Protection and Logic Functions
Group Settings (SET Command)
m = X, Y; n = 1–6; All settings in secondary volts.
Figure 4.101
Undervoltage Element Logic
27Pm1P
|VPminm|
27Pm1D
0
27Pm1T
27Pm2P
27Pm2D
0
27Pm2T
Relay Word
Bits
27Pm2
27Pm1
(b)
Logic Below is Applicable When DELTAY_m := WYE
(c)
Logic Below is Applicable When: DELTAY_m := DELTA or WYE
27PPm1P
|VPPminm|
27PPm1D
0
27PPm1T
27PPm2P
27PPm2D
0
27PPm2T
27PPm1
27PPm2
3P27m
27V1XnD
0
27V1XnT
27V1XnP
27V1Xn
27PPm1P
|VPPmaxm|
|V1X|
Relay Word
Bits
Relay Word
Bits
VABm or VAm
VBCm or VBm
VCAm or VCm
Voltage
Magnitude
Calculation
(Minimum Phase Voltage Magnitude in secondary)
|VPminm|
(Maximum Phase Voltage Magnitude in secondary)
|VPmaxm|
(Minimum Phase-to-Phase Voltage Magnitude secondary)
|VPPminm|
(Maximum Phase-to-Phase Voltage Magnitude secondary)
|VPPmaxm|
|V1m|
(Positive-Sequence Voltage Magnitude secondary)
(a)
Voltage Magnitude Calculation
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 ...