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Bi-directional DC power supply

Feedback type with two-way DC power supply, is a bipolar conversion architecture of the IGBT-type high-precision, high reliability, programmable, automatic two-way operation of the DC power supply. The DC output characteristics of high precision and high dynamic response characteristics, and has the ability to feed back energy to the grid. All-digital control, high control accuracy, fast response, wide output adjustment range. Output with programmable functions, through different control software, it can be used for a variety of occasions.
Bi-directional DC power supply

DC output characteristics with high accuracy and high dynamic response characteristics, and has the function of feeding back energy to the grid. All-digital control, high control accuracy, fast response, wide output adjustment range.

Output with programmable functions, through a variety of control software, it can be used in a variety of occasions. Mainly used in electric vehicle drive motor (controller), energy storage inverter, electric vehicle bi-directional charger test.

Simulation of the input power, output current, overload capacity, withstand voltage and motor efficiency, stall current, maximum speed, overspeed, and feed power of the electric vehicle motor controller were simulated by the simulated power cell input. Can be real-time motor over-speed experiments in the back-EMF energy back to the grid, to avoid damage to the controller.

Meet the GB / T18488.1-2015 standards for motor and controller test of the power requirements.

◆ high precision; output voltage accuracy of 0.1% FS

◆ High dynamic characteristics; 10-90% sudden load output voltage response time ≤ 5ms; +90% - 90% switching ≤ 10ms

◆ IGBT type circuit, pure digital industrial frequency isolated power supply

◆ Feedback the energy to the grid; at the same time with the power supply, load two characteristics, with high-power DC power performance, the energy automatically back to the grid load function, with energy saving, green outstanding advantages

◆ The product circuit structure adopts PWM rectifier and DC / DC two-stage circuit, which can realize wide range of output voltage, high precision and fast dynamic response.

◆ Using PWM rectifier + PWM inverter principle, power factor> 0.99. THD and injected harmonic current higher than the international GB / T14549-93 requirements

◆ Output with constant voltage, constant current, constant power mode

◆ With local operation, remote operation, with remote control software and external communication

◆ Strict system thermal design, low temperature rise, long life

◆ Large-screen LCD display, a variety of communication interfaces

◆Programmable protection and operating parameters