3KVE-10 PH is a standard mining switchgear to be fitted into underground substations with non-explosive gas and dust atmosphere.
Design
The cubicle is a metal modular enclosure partitioned into high-voltage compartments of:
- disconnector
- withdrawable unit
- earthing switch
- busbars
- compartment of current transformers
- low-voltage relay compartment
All live parts are closed during operation, but they are accessible after disconnecting the cubicle from the power supply. Side and rear openings of the cubicle are closed with removable covers.
They are available in the rear and front access design.
Switching Apparatus
Complete switchgears series 3KVE-10 PH are equipped with High-Voltage Union vacuum circuit-breakers type BP1 and with Siemens circuit-breakers type 3AH5. Circuit-breakers are designed for rated currents of up to 1600 A and rated breaking currents of up to 20 kA.