ZLDY series 70KW~400KW high-power DC power supply

NegotiableUpdate on 05/07

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Nature of the Manufacturer: Producers

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Overview

Product Introduction: High power DC power supply Product Features: 1. Constant voltage and constant current working modes, automatic switching; 2. Adopting phase-shifting soft switch dedicated PWM control chip and full bridge conversion technology, the overall efficiency of the machine is high; 3. No bulky power frequency transformer, replaced with an amorphous iron core high-frequency transformer, with a lighter overall weight; 4. Adopting high-frequency power electronic switch conversion technology and multi-stage waveform closed-loop control technology, stable voltage, stable current, high accuracy

Product Details

Product Name: ZLDY Series 70KW~400KW High PowerDC power supply

Technical parameters of 70KW~400KW high-power DC power supply
power input	three-phaseAC380V±10%；50Hz±5Hz
output voltage	DC 0V~rated value, smooth and continuously adjustable, deviation range ± 0.3VDC
Output voltage stability	<0.5%
output current	DC 0V~rated value, smooth and continuously adjustable
load regulation	≦0.5%
Ripple VRMS	≤ 0.3% rated value ± 10mV(Resistive load)80%~100% rated output)
overall efficiency	≧92%
Source effect	≤ 0.5% rated value
Time drift	≤ 0.3% rated value
temperature drift	≦0.04%Rated value/℃
Load effect	≤ 0.3% rated value
Voltage preset resolution	0.1V(Maximum output voltage)Below 500V
Current preset resolution	0.1A(Maximum output voltage)500A以下）
Voltage displayresolution	0.1V(Maximum output voltage)Below 500V
Current Displayresolution	0.1A(Output current below 500A)

Note: Our company's product specifications are constantly being developed and improved. If there are any changes to the specifications and parameters, no further notice will be given.

High power DC power supplyProduct Features:

1. Two working modes, constant voltage and constant current, with automatic switching;

2. Adopting phase-shifting soft switch dedicated PWM control chip and full bridge conversion technology, the overall efficiency of the machine is high;

3. No bulky power frequency transformer, replaced with an amorphous iron core high-frequency transformer, with a lighter overall weight;

4. Adopting high-frequency power electronic switch conversion technology and multi-stage waveform closed-loop control technology, stable voltage, stable current, and high accuracy;

5. The power transient response index is advanced, with small ripple, especially suitable for load situations with high requirements for load characteristics;

6. Easy to operate, wide range adjustable, small size and light weight; The complete isolation of input, control, and output improves the reliability and anti-interference ability of the entire machine;

7. It has protection functions for input overvoltage, undervoltage, phase loss, output overvoltage, overcurrent, short circuit, over temperature, etc;

8. Circuit mode: Soft switch phase-shift PWM mode; Powerful functionality, supporting programmable communication interfaces such as RS232, RS485, CAN, etc

PS: This DC power supply can be customized according to customer requirements