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Control Strategy for Current Harmonic Programmed AC Active Electronic Power Loads
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AI
DOI：10.1109/TIE.2013.2284144.png)
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摘要
En 中文
Alternating current (ac) active electronic loads (AELs) based on pulsewidth modulation (PWM) converters, capable of emulating nonlinear loads, require effective current control techniques and power stages. These two aspects of an AEL are interdependent mainly due to the presence of electromagnetic compatibility filters to reduce electromagnetic emissions. However, the filter components affect the dynamics of the system. In this context, this paper proposes a digitally implemented control strategy comprising the state feedback, robust observer, phase-locked loop, and linear current controller to cope with ac AEL applications. The control-oriented modeling and the control system design are presented. Experimental results obtained from a 10-kW three-phase three-level PWM converter prototype illustrate and demonstrate the feasibility of the proposed AEL control strategy.
Keyword:
Alternating current (ac) active load
current control techniques
state feedback
state observers
three-level converters
期刊
IF:
7.2
论文数:
1.8W
被引数:
9.8W
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