Basler DGC-2020HD - Page 32

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Typical Applications DGC-2020HD
Figure 3-9. Generator and Mains Breaker Control Connections
Figure 3-10. Generator and Mains Breaker Control with Load Bus Sensing Connections
Figure 3-11. Generator and Group Breaker Control Connections
Generator
L
1
L2
L3
Generator Bus
Generator
Bus Metering
86
88 90
DGC-2020HD
91
N
Generator
Breaker
Load Bus
Generator
Breaker
Control Output
93
95
97
Mains Bus
Metering
1
2
3 4 5 6
Generator
Breaker
Status
98
Bus 1
Mains
Breaker
Mains Bus
7 8
A
B
C
N
1
Notes:
An auxiliary CT is only required for mains breaker power measurement. Mains breaker power measurement is required for the Zero
Power Transfer or Mains Power Control functions.
1
Mains Breaker
Control Output
Mains
Breaker
Status
P0081-60
Load
Generator
L1
L2
L3
Generator Bus
Generator
Bus Metering
86
88 90
DGC-2020HD
91
N
Generator
Breaker
Load Bus
Generator
Breaker
Control Output
93 95 97
Mains Bus
Metering
1
2 3 4 5 6
Generator
Breaker
Status
98
Bus 1
Mains
Breaker
Mains Bus
A
B
C
N
1
Notes:
An auxiliary CT is only required for mains breaker power measurement. Mains breaker power measurement is required for the Zero
Power Transfer or Mains Power Control functions.
1
Mains Breaker
Control Output
Mains
Breaker
Status
P0081-61
100
101 103 104
Bus 2
11 129 107 8
Load
Generator
L1
L2
L3
Generator Bus
Generator
Bus Metering
86
88 90
DGC-2020HD
91
N
Generator
Breaker
Group
Bus
Generator
Breaker
Control Output
93 95 97
Group Bus
Metering
1
2 3 4 5 6
Generator
Breaker
Status
98
Bus 1
Load Bus
7 8
1
Notes:
An auxiliary CT is only required if group breaker power measurement is desired. Group breaker power measurement is required for
the group breaker Zero Power Transfer function.
1
Group Breaker
Control Output
Group
Breaker
Status
P0081-62
Group
Breaker
To other generators
A
B
C
N
Load