In layman's terms, that the application of electromagnetic cnbou sine wave inverters induction principle of making high-power electrical products, such as motors, compressors, relays, fluorescent lights, and so on. These products need when starting a ratio to maintain normal operation (about 3-7 times) required a much larger current starting current. For example, a refrigerator power consumption during normal operation of about 150 watts, its starting power up to 1000 watts or more. In addition, due to the inductive load in an instant power or disconnect the power supply, will produce back-EMF voltage, peak voltage of this inverter can withstand far greater than the voltage value, it is easy to high frequency inverter cause instantaneous inverter overload affect the service life of the inverter. Thus, higher electrical power supply waveform such requirements.
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