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Renewable Energy Systems by Ye Hong, Fang Lin Luo

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12

Pulse-Width-Modulated DC/AC Inverters

DC/AC inverters are quickly developed converter branch of the power switching circuits used in industrial applications in comparison with other switching circuits. In recent decades, plenty of topologies of DC/AC inverters have been created. Generally say, the DC/AC inverters are mainly used in AC motor adjustable speed drive (ASD). Power DC/AC inverters were widely used in other industrial applications since the late 1980s. Semiconductor manufacture development brought power devices such as GTO, Triac, BT, IGBT, MOSFET, and so on in higher switching frequency (say from tens of kHz up to a few MHz). Because of the devices such as thyristor (SCR) with low switching frequency and high power rate, the ...

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