High-precision variable-frequency power supply adopts VPWM high-frequency technology (pulse wave width modulation technology), uses high-power imported IGBT module design, input and output are fully isolated, with stable and adjustable frequency, voltage regulation and frequency, voltage, current, Power digital indication and other functions can simulate the power grids of various countries in the world and are widely used in the testing of export products as well as the voltage regulation and frequency modulation tests of various products.
- Output voltage: single voltage 0-330 v, three-phase 0-520v
- Output frequency: 40-4999.9hz programmable dial setting
- Voltage, frequency, current, power meter using 4-bit digital led display, convenient, easy to read, high resolution
- Voltage (V), frequency(HZ), current(A), capacity factor(W),power measurement at the same time, display, do not need to switch
- No radiation interference, including small harmonic components, and after special treatment, no interference.
- Pure, steady sinusoidal output
- Large capacity, small volume, light weight, high efficiency, mute device, high reliability.
- Strong overload capacity, instantaneous current can withstand 3 times the rated current.
- There are over-current, over-high temperature, short-circuit, instantaneous power failure protection and warning devices.
- Suitable for use in resistive, capacitive, inductive and other nonlinear loads.
- Overseas sales product testing
- Simulate the power grid condition of the product export destination.
- Forecast test of all kinds of product certification.
- Product life test.
- Power adaptability test in professional laboratory.
- Transformer, motor and other winding products frequency doubling test.
Technical parameters (single in and out) 500W-90KVA:
|Single input single output
||IGBT VPMW Pulse width modulation method
||1 phase 2 line+G 220V/50HZ,60HZ
||0V-150V Customizable according to customer requirements
||0V-300V Customizable according to customer requirements
|Low maximum current
|High maximum current
|Frequency stability rate
|Load stability rate
||<=0.5% resistive load
||<=1% resistive load
|Waveform distortion factor
||<=1% resistive load
||<=2% resistive load
||Digital frequency meter
||4-digit, resolution 0.1hz
||4 – digit , resolution 0.1v
||A number below 4A: 0.001a 4A or more than 0.01A.
|Digital power meter
||4-digit, resolution 1w
||Overload, short circuit, over temperature, protection and warning
||Forced fan cooling
|Size (high * wide * deep mm)