ᱵᱤᱯᱤᱮᱥᱯᱤᱟᱨ ᱥᱟᱶ ᱦᱟᱭᱯᱟᱨᱴᱮᱱᱥᱚᱱ ᱯᱟᱢᱯ ᱠᱚ ᱥᱮᱞᱮᱫ ᱢᱮᱱᱟᱜᱼᱟ

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With the development of inverter control technology, there are many voltage and frequency control methods for voltage inverters. At present, the pulse width modulation technology or PWM control technology is more commonly used, that is, by controlling the pulse width of the output voltage, the DC voltage is modulated into a series of AC output voltage pulses with variable amplitude and width to control the effective value of the output voltage, Control the distribution of output voltage harmonics and suppress harmonics. Because PWM technology can quickly control the output voltage and suppress harmonics extremely effectively, it has a good dynamic response and has obvious advantages in terms of output voltage quality and efficiency.

The main circuit structure of the inverter is varied, including full-bridge, half-bridge and push-pull. Small and medium-capacity inverter power supply mostly adopts half-bridge inverter structure, which is simple in structure and convenient in control.

Medium and large capacity inverters generally use full-bridge and push-pull inverter structures. In order to filter out high-order harmonics, the rear stage of the inverter bridge is connected to an LC filter. Small-capacity inverter power supplies use power MOSFETs for switching devices because of their small output capacity and low voltage and current.

ᱦᱚᱜᱽᱥ: ᱵᱮᱥ, ᱵᱟᱹᱲᱛᱤ ᱜᱚᱱᱚᱝ, ᱠᱚᱢ ᱫᱟᱢ, ᱵᱽᱨᱟᱣᱱ, ᱪᱟᱭᱱᱟ, ᱮᱢᱮᱥᱟᱨ, ᱠᱤᱨᱤᱧᱤᱡ, ᱜᱚᱱᱚᱝ ᱠᱚ, ᱚᱱᱟ ᱠᱚ ᱢᱩᱫᱽ ᱨᱮ ᱵᱟᱹᱲᱛᱤ ᱫᱟᱢ, ᱚᱱᱟ ᱠᱚ ᱢᱩᱫᱽ ᱨᱮ, ᱚᱱᱟ ᱠᱚ ᱢᱩᱫᱽ ᱨᱮ ᱢᱤᱫ ᱫᱚ ᱦᱩᱭᱩᱜ ᱠᱟᱱᱟ᱾