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The Design of Inverter Based on a Feed Forward and Double-Loop Control

DU Shi-jun

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Abstract

This paper presents a feed forward and double-loop control technology of inverter,its double-loop control including a capacitor current inner loop control and instantaneous voltage outer loop control.The principle of the control method is analyzed,and the realization of the control method based on DSP TM320F2812 is also given.The experiment results show that the inverter can achieve good sinusoidal output waveform,fast dynamic response,excellent load characteristic and high precision of output voltage.

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What this paper is about

This paper presents a feed forward and double-loop control technology of inverter,its double-loop control including a capacitor current inner loop control and instantaneous voltage outer loop control.The principle of the control method is analyzed,and the realization of the control method based on DSP TM320F2812 is also given.The experiment results show that the inverter can achieve good sinusoidal output waveform,fast dynamic response,excellent load characteristic and high precision of output voltage.

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Available abstract

This paper presents a feed forward and double-loop control technology of inverter,its double-loop control including a capacitor current inner loop control and instantaneous voltage outer loop control.The principle of the control method is analyzed,and the realization of the control method based on DSP TM320F2812 is also given.The experiment results show that the inverter can achieve good sinusoidal output waveform,fast dynamic response,excellent load characteristic and high precision of output voltage.

Key concepts: Inverter, Control theory (sociology), Waveform, Realization (probability), Loop (graph theory), Voltage, Current loop, Feed forward

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