To overcome the defective and inaccurate power supply conditions, by installing STATCOMs and dynamic voltage regulators, and advanced controlling facilities for the power converts of distributed generation power plants. In order to avoid secure disconnection from the energy grid network, the first problem is that generation systems must pay for, when a voltage drops occurs is the limitation of their transient response, though the LVRT requirements are different. This paper proposes the three innovative synchronization systems: i) decoupled dual synchronous reference frame phase-locked loop; ii) dual second order generalized integrator phase-locked loop; and iii) three-phase enhanced phase-locked loop. Low voltage outing is become very much concern to the power Transmission system operators. So the demand increases on wind and photovoltaic system of distributed power generation systems. By using accurate and fast grid voltage synchronization algorithms we can achieve the expected results, even in unbalanced and distorted situations also, from these systems. Many systems based on frequency-locked loops, but phase-locked loops taken because it links with dq0 controllers. In order to assess the accuracy and operational features, several algorithms are proposed. This paper analyzes the synchronization capability of three advanced synchronization systems: the decoupled double synchronous reference frame phase-locked loop (PLL), the dual second order generalized integrator PLL, and the three-phase enhanced PLL, designed to work under such conditions.
RE-GENERATING ENERGY USING VIBRANT CURRENT REGULATOR
2016-10-23
IJITR; Vol 4, No 6 (2016): October - November 2016; 4327-4328
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC: | 629 |
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