PICKUP
PU_ST1_A
PU_ST1_B
PU_ST1_C
TRST1-A
TRST1_B
TRST1_C
PU_ST1
TRST1
PICKUP
PU_ST2_A
PU_ST2_B
PU_ST2_C
TRST2-A
TRST2-C
PU_ST2
TRST2
TRIP
_
.
Comparator
VA >
Pickup 1
Comparator
VB >
Comparator
VC >
MaxVoltSelect
Comparator
VA >
Comparator
VB >
Comparator
VC >
MaxVoltSelect
Pickup
&
Trip
Output
Logic
Step1
Pickup
&
Trip
Output
Logic
Step 2
Phase C
Phase B
Phase A
Phase C
Phase A
Time integrator
tIReset2
ResetTypeCrv2
Voltage Phase
Selector
OpMode2
1 out of 3
2 out of 3
3 out of 3
Time integrator
tIReset1
ResetTypeCrv1
Voltage Phase
Selector
OpMode1
1 out of 3
2 out of 3
3 out of 3
VA
VB
VC
TRIP
TRIP
OR
OR
OR
OR
OR
OR
PICKUP
TRST2-B
Pickup 1
Pickup 1
Pickup 2
Pickup 2
Pickup 2
Phase B
Phase C
t1
t1Reset
t2
t2Reset
ANSI05000013-2-en.vsd
ANSI05000013 V2 EN-US
Figure 103:
Schematic design of Two step overvoltage protection OV2PTOV (59)
Section 9
1MRK 511 408-UUS A
Voltage protection
298
Phasor measurement unit RES670 2.2 ANSI
Technical manual
Содержание Relion RES670
Страница 1: ...RELION 670 SERIES Phasor measurement unit RES670 Version 2 2 ANSI Technical manual ...
Страница 2: ......
Страница 276: ...270 ...
Страница 306: ...300 ...
Страница 360: ...354 ...
Страница 406: ...400 ...
Страница 614: ...608 ...
Страница 732: ...726 ...
Страница 748: ...742 ...
Страница 884: ...878 ...
Страница 932: ...926 ...
Страница 933: ...927 ...