ABB Relion 670 Series Product Manual page 13

Busbar protection REB670
Version 2.2
QA1 QA1 QA1
BI1 BI1 BI1
QA2 QA2 QA2
BI2
BI2 BI2
BI3 BI3 BI3
QA3 QA3 QA3
IEC11000240 V1 EN-US
Figure 8. Example of one-and-a-half breaker station
Table 7. Typical solutions for one-and-half circuit breaker stations when CBF for middle breaker is not required
Version of REB670 pre-configured IED
3PH; 2-zones, 4-bays BBP (A20)
3PH; 2-zones, 8-bays BBP (A31)
1Ph; 2-zones, 12-bays BBP (B20)
1Ph; 2-zones, 12-bays BBP (B21)
1Ph; 2-zones, 24-bays BBP (B31)
QA1 QA2 QA1 QA2
BI1 BI2 BI1 BI2
IEC06000018 V1 EN-US
Figure 9. Example of double bus-double breaker station
Table 8. Typical solutions for double circuit breaker busbar arrangement
Version of REB670 pre-configured IED
3PH; 2-zones, 4-bays BBP (A20)
3PH; 2-zones, 8-bays BBP (A31)
1Ph; 2-zones, 12-bays BBP (B20)
1Ph; 2-zones, 12-bays BBP (B21)
1Ph; 2-zones, 24-bays BBP (B31)
Hitachi Power Grids
QA1 QA1
BI1 BI1
QA2 QA2
BI2 BI2
BI3 BI3
QA3 QA3
Number of diameters in the station
2/4
4/8
6/12
6/12
12/24
QA1 QA2 QA1 QA2
BI1 BI2 BI1 BI2
Numbers of feeders per station
4
4/8
6/12
6/12
12/24
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ZA
ZB
IEC11000240-1-en.vsd
ZA
ZB
QA1 QA2
BI1 BI2
xx06000018.vsd
1MRK 505 373-BEN P
Number of REB670 IEDs required for the
scheme
1/2
1/2
3/6
3/6
3/6
Number of REB670 IEDs required for the
scheme
2
1/2
3/6
3/6
3/6
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