Novel Integration of a PV-Wind Energy System With Enhanced Efficiency
- 7 August 2014
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Power Electronics
- Vol. 30 (7), 3638-3649
- https://doi.org/10.1109/tpel.2014.2345766
Abstract
A novel integration scheme of solar photovoltaic (PV) with a large capacity doubly excited induction generator-based wind energy system is described. The proposed scheme uses both the grid- and rotor-side power converters of doubly fed induction generator to inject PV power into the grid. Thus, it renders a cost-effective solution to PV-grid integration by obviating the need for a dedicated converter for PV power processing. The system is able to feed significantly large PV power into the grid compared to an equivalent rating inverter used in the conventional PV-grid system. The proposed scheme prevents circulating power during subsynchronous operation during the availability of solar radiation. All these features enhance system efficiency. System stability is also augmented due to turbine inertia, facilitating high PV penetration into the power grid. The intermittent but complementary nature of solar PV and wind energy sources considerably improves the converters' utilization. Besides, the proposed scheme does not hamper maximum power point tracking of PV and wind sources except during very rarely occurring environmental glitches, which the PV power control algorithm is suitably geared to handle. A comprehensive system model is presented and used for designing the control strategy. The proposed scheme is supported by analysis, simulations, and experiments on a laboratory prototype.Keywords
This publication has 25 references indexed in Scilit:
- A photovoltaic power control algorithm covering complete rangePublished by Institute of Electrical and Electronics Engineers (IEEE) ,2013
- Stability Analysis of Maximum Power Point Tracking (MPPT) Method in Wind Power SystemsIEEE Transactions on Industry Applications, 2013
- Impact of increased penetration of photovoltaic generation on power systemsIEEE Transactions on Power Systems, 2012
- Integrating Solar Generation on the Electric Distribution GridIEEE Transactions on Smart Grid, 2012
- Modeling and Control of a New Three-Input DC–DC Boost Converter for Hybrid PV/FC/Battery Power SystemIEEE Transactions on Power Electronics, 2011
- Modeling Guidelines and a Benchmark for Power System Simulation Studies of Three-Phase Single-Stage Photovoltaic SystemsIEEE Transactions on Power Delivery, 2010
- Electrical Impact of Photovoltaic Plant in Distributed NetworkIEEE Transactions on Industry Applications, 2009
- An Improved Control Strategy of Limiting the DC-Link Voltage Fluctuation for a Doubly Fed Induction Wind GeneratorIEEE Transactions on Power Electronics, 2008
- Grid-Connected Hybrid PV/Wind Power Generation System with Improved DC Bus Voltage Regulation StrategyPublished by Institute of Electrical and Electronics Engineers (IEEE) ,2006
- Value analysis of intermittent generation sources from the system operations perspectiveIEEE Transactions on Energy Conversion, 1993