Abstract
This paper describes a complete implementation of the experimental voltage regulation of a wind energy conversion system using STATCOM. Firstly conventional control technique is used which is proportional plus integral controller. The control technique is performed using a PC computer through a suitable interfacing and opt-isolating facilities. Secondly fuzzy logic controller is facilitated in this scheme to improve the performance of the experimental setup. Several efforts are done to choose the suitable gains of the fuzzy controller to achieve superior performance of the wind system. Experimental results of the system show the effectiveness of the proposed technique in regulating the output voltage. Thanks to the operation of the STATCOM in controlling the reactive power of the system to fix the output voltage at the desired value regardless of the wind speed.
Highlights
Wind power is expected to be economically attractive when the wind speed of the proposed site is considerable for electrical generation and electric energy is not available from the grid
Voltage Regulation of a Wind Energy System with STATCOM using PI Controller In open loop experimental results has been shown that the electrical power generated and voltage is fluctuated according to the operating wind speed
Digital controller is developed such as proportional plus integral, and fuzzy logic to achieve the best performance of the STATCOM
Summary
Wind power is expected to be economically attractive when the wind speed of the proposed site is considerable for electrical generation and electric energy is not available from the grid. In addition to the unsteady nature of wind, another serious problem faced by the isolated power generation is the frequent change in load demands. FACTS devices can be a solution to these problems [3] They are able to provide rapid active and reactive power compensations to power systems, and can be used to provide voltage support and power flow control, increase transient stability and improve power oscillation damping. 2. Experimental System Implementation Figure 1 shows a complete block diagram of the experimental system, which consists of the DC motor emulation as a wind turbine, three phase synchronous generator, single phase converter, firing circuit , electrical load and grid, speed and current sensors, over-head transmission line, interface circuit and PC computer.
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