Power Balance Theory Control of an Integrated Electronic Load Controller with Zig-Zag Transformer for Stand-Alone Wind Farm with PV Array Connected to Three-Phase Four-Wire Load

Dipesh Kumar Karmakar


Wind Turbine (WT) with PV array power generation attracted attention to supply electricity in remote areas because of its self- sustainability, environment friendly and economic reasons. This paper propounds isolated Wind turbine and PV array generating system with MPPT, DC-DC boost converter, Integrated electronic load controller (IELC) feeding three-phase four-wire non-linear loads. The power balance theory (PBT) is applied to estimate the reference load current to control the six-leg voltage source converter (VSC). The IELC is realized with zig-zag/three single-phase transformer and a six-leg insulated-gate bipolar-transistor-based current-controlled voltage source converter, a chopper switch and auxiliary load on DC bus. The fuel cell power generating system is modeled and simulated in MATLAB environment using Simulink and sim power system (SPS).

Keywords: Wind Farm(WF), Wind Turbine(WT), PhotoVoltaic cell (PV), Power balance theory(PBT), Integrated electronic load controller (IELC), Voltage source converter(VSC), Maximum Power Point Tracking(MPPT).

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ISSN (Paper)2224-5774 ISSN (Online)2225-0492

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