The XYH series high-precision bidirectional DC power supply is a bidirectional charging and discharging device. It adopts a two-stage conversion structure, IGBT type DC power supply with high precision, high reliability, programmable and automatic operation. The DC output characteristics have high precision and high dynamic response characteristics, and automatic bidirectional operation function. It adopts full digital control, high control accuracy, fast response speed and wide output regulation range.

The main advantage is the ability to simulate the power battery to simulate input power, output current, overload capacity, withstand voltage, motor efficiency, and other performance metrics for electric vehicle motor controllers. The back EMF energy can be fed back to the power grid in real time.

• Built-in AC isolation transformer + LC AC/DC filter for input and output electrical isolation.
• Infineon high voltage IGBT module with two-stage conversion.
• Energy feedback capability: Realizes energy automatic feedback to the power grid for energy saving.
• DCDC side adopts carrier phase-shifting circuit for accurate DC output and less ripple.
• PWM rectification + PWM inverter principle with power factor ≥ 0.99.
• Multiple modes: constant voltage, constant voltage current limiting, constant current, constant power, and constant resistance.
• High dynamic characteristics: 10% ~ 90% sudden load response time ≤ 5ms.