KAL series energy recycling AC electronic load is a product launched by hefei kewell power system co., LTD, which is used for generator, AC source, inverter, UPS/EPS, AC device, power electronic equipment test andaging.
KAL series energy recycling AC electronic load is a kind of power electronic conversion device based on power frequency isolation type, IGBT type, two-stage conversion architecture, with high reliability and programmability. KAL has comprehensive protection design, when its sampling circuit detects overcurrent, overload, overvoltage and output short circuit, it will automatically cut off the output and issue an alarm. Friendly human-machine interface, which can be operated by operation panel and PC software.
1. Adopting PWM rectifier +PWM inverter principle, can achieve energy feedback to power grid, with energy-saving, consumption reduction, environmental friendly advantages;
2. PF between 0.3 and 1 can be set;
3. Wide voltage input range and wide frequency input range;
4. With constant resistance, constant current and constant powerworking mode;
5. Adopting PWM synchronous rectification and PFC correctioncontrol with software algorithm to achieve power factor (PF) ≥0.99;
6. ITHD ≤3%;
7. Perfect grid-connected protection functions: overfrequency,underfrequency, overvoltage, undervoltage, overload, etc;
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