Output waveform classification
(1) square wave inverter
AC voltage square wave inverter output waveform is a square wave. Such inverter inverter circuit used is not exactly the same, but the common feature is relatively simple lines, a small number use the power switch. Design pure sine wave online ups is generally between one hundred watts to kilowatts. Advantages square wave inverter is: Line is simple, cheap, and easy maintenance. The disadvantage is that due to the square-wave voltage contains a large number of high-order harmonics, resulting in additional losses in the load appliances with core inductor or transformer in on the radio and some communications equipment interference. In addition, these inverters also pressure range is not wide enough, the protection function is not perfect, the noise is relatively large defects.
(2) step wave inverter
AC inverter output voltage waveform of such a stepped wave, a stepped wave inverter output is also to achieve a great variety of different line number stepped difference, the output waveform. Advantages step wave inverter, the output waveform for example, a significant improvement in waves, reducing high harmonic content, when the ladder when you reach 17 or more can be achieved quasi-sinusoidal output waveform. When using transformerless output, high overall efficiency. The disadvantage is that the ladder wave superposition line using the power switch more, some of which also require multiple sets of lines in the form of a DC Ups power manufacturer input. This gives a balanced group with wiring and battery charging solar phalanx were trouble. In addition, voltage step wave radio and some communications equipment are still some high-frequency interference.
(1) square wave inverter
AC voltage square wave inverter output waveform is a square wave. Such inverter inverter circuit used is not exactly the same, but the common feature is relatively simple lines, a small number use the power switch. Design pure sine wave online ups is generally between one hundred watts to kilowatts. Advantages square wave inverter is: Line is simple, cheap, and easy maintenance. The disadvantage is that due to the square-wave voltage contains a large number of high-order harmonics, resulting in additional losses in the load appliances with core inductor or transformer in on the radio and some communications equipment interference. In addition, these inverters also pressure range is not wide enough, the protection function is not perfect, the noise is relatively large defects.
(2) step wave inverter
AC inverter output voltage waveform of such a stepped wave, a stepped wave inverter output is also to achieve a great variety of different line number stepped difference, the output waveform. Advantages step wave inverter, the output waveform for example, a significant improvement in waves, reducing high harmonic content, when the ladder when you reach 17 or more can be achieved quasi-sinusoidal output waveform. When using transformerless output, high overall efficiency. The disadvantage is that the ladder wave superposition line using the power switch more, some of which also require multiple sets of lines in the form of a DC Ups power manufacturer input. This gives a balanced group with wiring and battery charging solar phalanx were trouble. In addition, voltage step wave radio and some communications equipment are still some high-frequency interference.
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