Products & Services > Substations > Other DC panels > Disconnector cubicle
Disconnector cubicle
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The disconnectors cubicles are installed in the traction substation. Incoming cubicle are situated between the transformer-rectifier group and the feeder, the cellule will cut both the negative and the positive pole. When the substation is equipped with a rectifier circuit breaker, the disconnector cubicle will in this case cut only one pole. The negative cubicle can contain from 1 to 3 single pole disconnectors.
| Basic functions:The elements included in this cubicle vary from project to project, but usually includes the following items: - Motorized or manual disconnectors (uni- of bi-polar), off load operation, electrical interlocking fonction with the HSCB feeder.
- System bus-bar
- Measurement of current and/or voltage
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| Protection functions- Ground fault protection (device 64)
- Negative-earth over-voltage protection
- Return current protection (device 32)
- Stray current collection
Mesuring and displaying- Current measurement
- Current display
- Voltage measurement
- Voltage display
3 poles Disconnector cubicle
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