Power Inverter With Battery Charger

Nature of Wave String:Sine Wave Inverter

Specification:81kg

Size:670X330X720mm

Transport Package:Strong Box

Type:DC/AC Inverters

Pure sine wave solar inverter /low frequency /UPS function/3 intelligent mode 

stable high load ability/load uninterrupted safety/AC priority ECO Battery Priority

The difference between a sine wave inverter and an ordinary inverter is that the output waveform is a complete sine wave with low distortion rate, so it has no interference to radios and communication equipment, low noise, complete protection functions, and high efficiency of the whole machine.

The reason why the sine wave inverter can output a complete sine wave is because it adopts SPWM technology, which is more advanced than PWM technology.

The principle of SPWM is based on the equivalent principle that pulses act on time function devices: 

if pulses act on time function devices, the product of the peak value and the action time is equal, and these pulses can be approximated as equivalent.

SPWM is based on the comparison between a triangular wave with a fixed frequency and a fixed peak value and a reference sine wave of variable frequency and voltage transformation, thereby pulsing the direct current voltage to approximate the reference sine wave to act on the device. 

Adjust the amplitude and frequency of the reference sine wave to generate a DC voltage pulse width modulation wave with different amplitude and frequency equivalent to the reference sine wave.

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