Autonomous power system for island or grid‐connected wind turbines in distributed generation

Iwański, Grzegorz; Koczara, W.

doi:10.1002/etep.256

Cited by 13 publications

(2 citation statements)

References 16 publications

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“…The proposed technique employs the rotor current magnitude and frequency to control the stator voltage magnitude and frequency, respectively. The same approach has also been proposed in [20,21].…”

Section: Introductionmentioning

confidence: 99%

Control of Variable Speed Wind Turbines with Doubly Fed Asynchronous Generators for Stand-Alone Applications

2017

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This paper addresses the design and implementation of a novel control of a variable speed wind turbine with doubly fed induction generator for stand-alone applications. In opposition to grid-tied applications, in stand-alone systems the voltage and frequency must be generated by the doubly fed induction generator. Therefore, a voltage and frequency controller is required for supplying the load at constant voltage and frequency. This controller is implemented by orientation of the generator stator flux vector along a synchronous reference axis. In this way, constant voltage and frequency is obtained and the generator will supply the active and reactive power demanded by the load, while the wind turbine will be responsible for achieving power balance in the system. Then, power control is assumed by the pitch actuator controlling the rotational speed of the wind turbine for power balancing. A load shedding mechanism is needed if the load power exceeds the maximum available wind power. Detailed simulation results are presented and discussed to demonstrate the capabilities and contributions of the proposed control scheme.

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Section: Introductionmentioning

confidence: 99%

Control of Variable Speed Wind Turbines with Doubly Fed Asynchronous Generators for Stand-Alone Applications

2017

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“…In order to achieve the assumed high level of renewable energy content the application of advanced metering and control techniques (grid automatic enabling island operation contributes to increased reliability), energy storage devices, and demand management techniques e.g. active demand response (ADR) are required [6,16,18,19,25,31,43,54,55,67,68,72,73,75,82,112]. • A typical feature of this system is the high quality of electric energy, elimination of higher range harmonics, voltage dips, sags, interruptions, and asymmetry of phase voltages.…”

Section: Introductionmentioning

confidence: 99%

Conducted Electromagnetic Interference (EMI) in Smart Grids

Smoleński¹

2012

Power Systems

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