WGHPA-800KVA series AC analog power grid power supply

Place of Origin:

China

Brand Name:

Wago Dingyi

Model Number:

WGHPA series AC analog power grid power supply

Certification:

GB/T19001-2016/ISO 9001:2015

CNAS

CMA

Minimum Order Quantity:

1

Price:

＄274442

Delivery Time:

80 days

Overall efficiency

90%(loaded condition)

Isolation method

Magnetic isolation (built-in isolation transformer)

Cooling method

forced air cooling

Feedback capability

100% energy feedback

Input voltage

AC 400V ± 10% / AC 690V ± 10% (line voltage)

Input connection method

3P3W+G

Input frequency

50Hz ±5%

Input power factor formula

Greater than 0.98 (above half-load)

Input current harmonic distortion rate

1. Under rated conditions, the current harmonics fed back to the power grid are less than 5% (above half-load). 2. Within the full power range, the effective value of the generated harmonics does not exceed the absolute value under rated conditions.

Power quality requirements

When the power quality of the power grid meets the requirements of the national standard GB/T12325-2003 for power quality - allowable deviation of power supply voltage, and GB/T14549 for power quality - harmonics in the public power grid, the device can operate normally; for applications with poor power quality, due to the adoption of PWM rectification technology, it can have strong adaptability.

Output connection mode

3P4W

Voltage indicators

1. Stability: Less than (0.2% + 0.2% FS)

2. Adjustment accuracy: 0.2% + 0.2% FS

3. Load voltage regulation rate: The amplitude of steady-state voltage fluctuation 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/T14549, less than 1% (linear load)

6. Three-phase unbalance voltage regulation force: 100%

Current indicators

Display accuracy :0.2%+0.2%FS

Frequency indicators

1. Adjustment range: 30 - 100 Hz

2. Adjustment step: 0.01 Hz

3. Frequency stability rate: The steady-state frequency fluctuation value is less than ±0.005 Hz. Frequency adjustment accuracy: 0.005 Hz

Harmonic, inter-harmonic, sub-harmonic indicators

1. Harmonic injection range: Up to 50 times.

2. Inter-harmonic injection range: 5 - 2500Hz.

3. Injection quantity: 50 different harmonics are injected simultaneously.

4. Harmonic content: 8% for odd harmonics, 4% for even harmonics, and the total harmonic distortion rate can reach up to 15%.

5. Injection accuracy: <1%.

Three-phase unbalance simulation function

1. The device can simulate and output unbalanced three-phase voltage.

2. The regulation degree of three-phase unbalanced voltage: 100%

3. Output phase angle: continuously adjustable from 0° to 359°

4. Phase angle error: < ±1.5 degrees (under normal working conditions)

5. Output phase angle: The starting phase angle can be set during the test (including zero-crossing point)

6. Phase angle adjustment step: 0.1°

Programmable output (step, gradual change)

1. The minimum programming time is 5ms, and the maximum programming time is 999 hours. The programming step size is 1ms.

2. Voltage, frequency and phase can be programmed and set. Stepwise or gradual change methods are selectable. The programming data can be run in a loop.

3. While conducting the experimental steps, there is a set of isolated virtual synchronous signal output.

4. Voltage fluctuation immunity, frequency fluctuation immunity, voltage harmonic and inter-harmonic tests can be carried out. Voltage fluctuation and flicker tests can be conducted using data programming.

5. Low-pass and high-pass memories can be set.

Low voltage ride-through index

1. Drop depth: Drop to 5% of the working voltage.

2. Dynamic time: Less than 1ms.

3. Unbalanced drop: Equipped with independent drop functions for single phase and two phases.

High voltage ride-through index

1. Rise amplitude: Rise to 135% of the working voltage.

2. Dynamic time: Less than 1ms.

3. Unbalanced high current: Equipped with single-phase/two-phase independent high current passing function.

Zero voltage ride-through index

1. Drop range: drop to 0V voltage.

2. Dynamic time :<1ms.

3. Unbalanced zero: with single-phase/two-phase independent zero penetration function.

Phase angle transformation index

1. Transformation range: Maximum 180 degrees can be transformed online.

2. Dynamic time: Less than 1ms.

3. Unbalance transformation: It has the function of independent single-phase/two-phase transformation.

Protection function

Input under-frequency, input under-voltage, input over-current, IGBT over-current, DC bus over-voltage; output over-current, short-circuit protection, output over-voltage, magnetic component over-temperature.

Hardware

Touch screen/remote computer

Display parameters

Output voltage (3-phase), output current (3-phase), output frequency, output phase (3-phase), output active power (3-phase), output power factor (3-phase), output voltage peak coefficient (3-phase), output current peak coefficient (3-phase), bus voltage, bus current

Communication method

ModbusTCP/Mod bus RTU

Display voltage resolution

士0.2%FS

Display current resolution

士0.2%FS

Display power resolution

士0.4%FS

Display frequency resolution

士0.001HZ

Protection level

Basic structure shall not be lower than IP20

Operating environment

Indoor

Altitude

Not exceeding 1500m

Operating environment temperature

-10~45°C

Relative air humidity

0 - 95% (no condensation)