Good Quality WGHPA 400KVA Series Analog Switching Power Supply for AC Grid & DC Applications

Country of Origin

China

Input Voltage

AC400V±10%/AC690V±10% (Line Voltage)

Input Frequency

50HZ±5%

Input Power Factor Formula

Greater than 0.98 (at half load and above)

Input Current Harmonic Distortion Rate

Under rated conditions, the feedback current harmonics to the grid are less than 5% (at half load and above); within the full
power range, the effective value of the generated harmonics does not exceed the absolute value under rated conditions

Output Connection Method

3P4W

Voltage Specifications

1. Stability: Less than (0.2%+0.2%FS) 2. Regulation Accuracy: 0.2%+0.2%FS 3. Load Voltage Regulation Rate: Steady-state voltage
variation is less than ±0.5V 4. Voltage Change Speed: Greater than 100V/ms 5. Output Voltage THD: Less than 50% of the harmonic
value required by GB/T145549, less than 1% (linear load) 5. Three-phase unbalanced voltage regulation force: 100%

Current Specifications

Display Accuracy: 0.2%+0.2%FS

Frequency Specifications

1. Adjustment Range: 30-100HZ 2. Adjustment Step: 0.01HZ 3. Frequency Stability Variation Value: Less than ±0.005HZ 4. Frequency
Regulation Accuracy: 0.005HZ

Low Voltage Ride-Through Indicator

1. Drop Depth: Drops to 5% of working voltage 2. Dynamic Time: <1ms 3. Unbalanced Drop: Equipped with single-phase/two-phase
independent drop function

Zero Voltage Ride-Through Indicator

1. Drop amplitude: Fall to 0V voltage 2. Dynamic time: <1ms3. Unbalanced zero crossing: Equipped with single-phase/two-phase
independent zero crossing function

High Voltage Ride-Through Indicator

1. Rise amplitude: Rise to 135% of working voltage2. Dynamic time: <1ms3. Unbalanced high withstand/two-phase independent high
withstand function

Usage Environment

Indoor

Altitude

Not exceeding 1500 meters.

Work Environment

Minus 10 to 45 Degrees Celsius