An inverter is a device that converts direct current (DC) to alternating current (AC) to meet the power demand of AC loads.
According to the output waveform, the inverter can be divided into square wave inverter, step wave inverter, sine wave inverter. Sine wave inverter is characterized by high efficiency, low harmonic, can be applied to all types of load, inductive or capacitive load has a strong load capacity.
According to the topology, it can be divided into high frequency inverter and power frequency inverter.
What is power frequency inverter?
The power frequency inverter first converts the low-voltage DC into low-voltage AC through the full-bridge inverter circuit, and then converts the low-voltage AC into high-voltage AC through a large transformer.
Features: small power density, large volume, heavy weight, low efficiency, but the voltage input range is wide, strong anti-interference ability, high reliability, suitable for harsh environment operation, as well as the power quality requirements of the occasion.
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What is a high frequency inverter?
The high frequency inverter converts low voltage DC into high voltage DC with high frequency and high density energy, and then converts it into alternating current through the full bridge inverter circuit.
Features: large power density, small size, light weight, high efficiency, but the voltage input range is narrow, anti-interference ability is weak, low reliability, generally suitable for power tools, daily lighting and other occasions that do not require high power quality.