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CHAPTER 5: SETPOINTS
5.5 CONTROL ELEMENTS
GEK-106310-AF
F650 DIGITAL BAY CONTROLLER
5-105
5.5.2.1 Voltage inputs
In order to perform the synchronism check function, the F650 uses only one voltage from each end of the breaker. Voltage
values to be compared must be on the same basis, either phase-to-phase or phase-to-ground voltage; they must be the
same at both ends of the breaker; it is not possible to compare a phase-to-ground voltage at one end with a phase-to-
phase voltage at the other end.
Additionally, if on one end, three voltages have been connected, the necessary voltage on the other end for Function 25 is
only single-phase voltage. If there is only one voltage (either phase-to-phase or phase-to-ground) at both ends of the
breaker, this must be from the same phase in both cases.
The selection of voltage values to be used by the synchronism element is made in the relay General settings:
V1 is the line voltage, selectable from the relay voltage channels, using the “
Frequency Reference
” setting at
Setpoint
> System Setup > General settings > Frequency Reference
. (refer to the voltage correspondence Table 5-73: Voltage
correspondence element 25)
V2 is the busbar voltage measured at the auxiliary voltage input (terminals A11-A12). To enable the busbar voltage
metering in the relay, it is required to select VX in the
Auxiliary Voltage
setting at
Setpoint > System Setup > General
settings > Auxiliary Voltage
.
The voltage correspondence is detailed in the following table:
Table 5-73: Voltage correspondence element 25
Setpoint > System Setup > General settings > Auxiliary Voltage
setting must be set to Vx, in order to monitor auxiliary
voltage instead of Vn (neutral voltage, coming from an open delta connection).
5.5.2.2 Application
Even if the application range of the F650 is quite wide and the element can be used in distribution lines at any voltage level,
it must be taken into account that it is a
three-pole tripping
relay, designed for managing a
single breaker
. This is why
F650 is not suitable for one and a half breaker configurations, or ring configurations where a transmission line or feeder
has two breakers.
VOLTAGE CORRESPONDENCE
Setpoint>System Setup>General settings>Frequency Reference
Voltage selection for element 25 of F650
V
I
V
II
V
III
Setpoint>System Setup>General settings>Phase VT Connection=WYE
Phase-to-ground voltage connection.(Wye connection
)
V
a-g
V
b-g
V
c-g
Setpoint
>System Setup>General settings>Phase VT Connection=DELTA
Phase-to-phase voltage connection.(Delta connection).
V
a-b
V
b-c
V
c-a
Setpoint>System Setup>General settings>
Auxiliary Voltage=Vx
V
x
Содержание F650
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Страница 406: ...6 58 F650 DIGITAL BAY CONTROLLER GEK 106310 AF 6 5 RECORDS CHAPTER 6 ACTUAL VALUES ...
Страница 660: ...7 254 F650 DIGITAL BAY CONTROLLER GEK 106310 AF 7 3 IEC 61850 CONFIGURATOR CHAPTER 7 IEC 61850 PROTOCOL ...
Страница 734: ...12 6 F650 DIGITAL BAY CONTROLLER GEK 106310 AF 12 4 RELAY CONFIGURATION CHAPTER 12 FREQUENTLY ASKED QUESTIONS ...
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Страница 994: ...H 2 F650 DIGITAL BAY CONTROLLER GEK 106310 AF APPENDIX H FACTORY DEFAULT LOGIC ...
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Страница 1046: ...J 2 F650 DIGITAL BAY CONTROLLER GEK 106310 AF J 1 GE MULTILIN WARRANTY APPENDIX J MISCELLANEOUS ...