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2003•Proceedings of the CSEERequires access

PARALLEL OPERATION OF SINUSOID WAVE INVERTERS WITHOUT CONTROL INTERCONNECTIONS

Zhaoan Wang

Open publisher page 8 citations

Abstract

This paper presents a new control scheme which allows wireless-paralleled inverters to share linear or nonlinear load. It can be used in large scale UPS systems and distributed power systems. This control scheme is based on DSP to measure output power of high performance inverter modules, and it based on frequency-droop and amplitude-droop scheme to control the output voltage. The high performance inverter modules have inner filter capacitor current loops; and the output voltage can maintain high-quality sine-wave. An experiment system was built to verify this control scheme, and the results indicate the inverters in parallel connection realize load current sharing.

About this research paper

What this paper is about

This paper presents a new control scheme which allows wireless-paralleled inverters to share linear or nonlinear load. It can be used in large scale UPS systems and distributed power systems. This control scheme is based on DSP to measure output power of high performance inverter modules, and it based on frequency-droop and amplitude-droop scheme to control the output voltage. The high performance inverter modules have inner filter capacitor current loops; and the output voltage can maintain high-quality sine-wave. An experiment system was built to verify this control scheme, and the results indicate the inverters in parallel connection realize load current sharing.

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OpenAlex reports 8 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

This paper presents a new control scheme which allows wireless-paralleled inverters to share linear or nonlinear load. It can be used in large scale UPS systems and distributed power systems. This control scheme is based on DSP to measure output power of high performance inverter modules, and it based on frequency-droop and amplitude-droop scheme to control the output voltage. The high performance inverter modules have inner filter capacitor current loops; and the output voltage can maintain high-quality sine-wave. An experiment system was built to verify this control scheme, and the results indicate the inverters in parallel connection realize load current sharing.

Key concepts: Voltage droop, Sine wave, Inverter, Control theory (sociology), Power (physics), Electronic engineering, Voltage, Computer science

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