20KVA 30KVA 40KVA Variable Frequency Power Supply 3-phase 50/60Hz 400Hz AC Frequency Converter
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Complete isolation of input and output technology, safe and reliable power supply.
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SPWM sine wave pulse width modulation technology is adopted, with fast response speed and stable output.
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IGBT high-frequency static inverter, small size, lightweight, low noise, and high efficiency.
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Unique double-loop control mode of instantaneous value and effective value for high precision and good waveform quality.
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High power IGBT module and highly integrated drive circuit with strong overload capacity.
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Suitable for resistive, inductive, rectifier, and other various loads.
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Multiple protection functions: overheating, overcurrent, and short circuit protection.
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Parameter memory function with 10-group shortcut key operation.
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Online adjustable voltage and frequency with real-time frequency changes.
We specialize in customizing AC/DC/AC power supply to meet your specific requirements. With customized frequency converters, our offerings range up to 2000KVA.
Please submit any inquiries to explore our capabilities further. Our dedicated team endeavors to respond within one hour.
Why are there both 50Hz and 60Hz standards?
The choice of 50Hz or 60Hz was historically arbitrary. Europe adopted 50Hz (driven by AEG) while the US settled on 60Hz (Westinghouse). Today, most of Asia and Africa use 50Hz, while the Americas use 60Hz. A frequency converter is required to adapt devices between these two standards.
What is SPWM technology in frequency converters?
SPWM (Sine Wave Pulse Width Modulation) is used to create a stable, clean sine wave output. This technology ensures fast response speeds and protects sensitive electronic equipment from voltage fluctuations.
Are your power supplies isolated?
Yes, our systems feature complete isolation technology between the input and output. This provides a high level of safety for both the operators and the connected load, protecting against electrical noise and faults.
What kind of protection does the unit offer?
Our frequency converters include comprehensive protection functions for abnormal conditions such as overheating, overcurrent, overload, and short circuits, including an automatic jump protection and alarm system.
Can the output frequency be adjusted online?
Yes, the power supply voltage and frequency can be adjusted online through the software interface, allowing for real-time frequency changes ranging from 40.0Hz to 499.9Hz.
What types of loads are compatible with these converters?
These units are highly versatile and suitable for resistive, inductive, rectifier, and other complex loads, making them ideal for motors, power tools, home appliances, and laboratory testing.