Our company completed works on commissioning of the previously supplied silicon-controlled rectifier for the shaft main hoist motor.
Scope of delivery:
- silicon-controlled rectifier for armature circuit power supply;
- silicon-controlled rectifier cabinet for the motor excitation winding power supply;
- frequency converter cabinet for the ventilation motor power supply;
- auxiliary electric drives cabinet;
- control panel for control and monitoring of the mine hoist operation;
- brake control unit.
The main technical specifications of the silicon-controlled rectifier for the armature circuit are as follows:
| Parameter | Value |
| Rated output current, A | 2200 |
| Rated output voltage, V | 930 |
| Operation mode version | reversible |
| Rectification circuit | 12-pulses, three-phase bridge circuit |
| Connection to power supply network | Transformer connection |
| Type of cooling | Forced air cooling from build-in fans |
| Service blocks | Embedded autonomous alarm signals recorder |
| Protection Rating | IP21 |
| Access for maintenance | Two-side access |
