Abstract
This paper deals with an integrated electronic load controller (IELC) for an isolated asynchronous generator (IAG), used in constant power pico hydro power generation for feeding three-phase four-wire loads. The IELC is realised using a star/delta transformer and three-leg insulated gate bipolar transistors (IGBTs) -based current controlled voltage source converter (VSC) with a DC capacitor, a chopper switch and an auxiliary load. The proposed IELC is used to control the voltage and frequency of IAG in integrated manner. The proposed IELC with the generating system is modeled and simulated in MATLAB along with Simulink and simpower system (SPS) toolboxes. The simulated results are presented for the IAG with IELC for feeding three-phase four-wire linear/nonlinear (balanced/unbalanced) loads with the neutral current compensation to demonstrate its performance.
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