Sub-station DC Power System

Introduction:

The substation DC power system mainly consists of traction transformer, traction silicon rectifier, DC switch cabinet, feeder switch cabinet, current detection unit and PLC monitor system.

Overview

Technical Specifications

Request

For this product, we adopt silicon rectifier and boosting transformer or step-down transformer to get required DC current and voltage. The substation DC power system mainly consists of traction transformer, traction silicon rectifier, DC switch cabinet, feeder switch cabinet, current detection unit and PLC monitor system. Its major advantage is the flexibility to combine multiple silicon rectifiers in a parallel way to form 12 pulse, 18 pulse and 24 pulse rectifiers, for the purpose of reducing harmonic from grid side thus ensure other electrical equipment a safe condition.

Specifications of the Substation DC Power System

Power Supply 3P AC380V, 400V, 450V, 6kV, 10kV etc. frequency 50Hz or 60Hz
Rated Output DC Voltage 50V, 60V, 100V, 150V, 200V any voltage at request
Rated Output DC Current 500A, 1000A, 1500A, 2000A, 3000A, 4000A, 5000A, 6000A, 8000A, 12000A, 15000A, 18000A, 20000A, any current at request
Soft Start Time 0-20s
Constant Current and Constant Voltage Control Accuracy ≤±1%
Rectifying SCR
Rectifier Efficiency ≥75-80%
Pulse Phase-Shifting Resolution ≤1μs
Output Voltage Ripple Coefficient ≤5-8%
Protection Function Phase-lack, over temp, over-voltage, over-current, short circuit, over-load, etc.
Communication Means RS485/RS232/Profibus/Analog signal
Optional a. PLC programmable control system+LCD color touch screen b. Remote control box

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