This manual describes the design features, theory, and operation of the 10-13.8 kV medium voltage solid state soft starter MVC4 series.
This manual provides comprehensive instructions for the Motortronics MVC4 Series Reduced Voltage Solid State Soft Starter, designed for the starting, protection, and control of AC medium voltage motors. It details the unit's specifications, design features, and theory of operation, including SCR-based control and fiber optic connections.
| AC Supply Voltage | 10000 – 13800 VAC +10 to – 15% |
|---|---|
| Unit Running Overload Capacity | 125% - Continuous, 500% - 60 seconds |
| Power Circuit | 36 SCRs |
| SCR Peak Inverse Voltage Ratings | 27000V - 39000V |
| Frequency | 50 or 60Hz |
| BIL Rating | 110kV |
| Auxiliary Contacts | 8 Relays (4 programmable) |
| Serial Communications Protocol | Modbus RTU |
| Operator Interface Display | LCD Readout |
The unit is designed for an AC supply voltage of 10,000 to 13,800 VAC with a tolerance of +10 to – 15%.
The power circuit contains 36 SCRs.
The unit supports Modbus RTU communication via RS-485, RS-422, or RS232.
The unit has a BIL rating of 110kV.