A Frame Work for Control of Gird Connected Wind Power Using Two Layer Control
Journal: International Journal for Modern Trends in Science and Technology (IJMTST) (Vol.3, No. 4)Publication Date: 2017-04-08
Authors : V.Sarath Kumar; D.Rupesh; K.Prudhvi Raj; Ch.Prasanth Kumar; K.Manasa; A.Jawahar; Ch.Rajyalakshmi; Ch.Vishnu Chakravarthi;
Page : 45-52
Keywords : IJMTST; ISSN:2455-3778;
Abstract
Recently, several large-scale wind generation projects have been implemented all over the world. It is economically beneficial to integrate very large amounts of wind capacity in power systems. Unlike other traditional generation facilities, using wind turbines present technical challenges in producing continuous and controllable electric power. With increase in contribution of wind power into electric power grid, energy storage devices will be required to dynamically match the intermitting of wind energy. When wind turbines are connected to a grid, they should always maintain constant power. In order to maintain constant active power, the use of Doubly-Fed Induction Generators (DFIG) with Energy Storage System (ESS) like super capacitor (or) batteries can be used, with a two layer control scheme. In the two layers control there is a high-layer controller known as Wind Farm Supervisory Control (WFSC), which generates the active power (P), Stator Power (Ps), Energy storage power (Pe), DC voltage (Vdc) etc., references for the low-layer WTG controllers. The low-layer controller has two different controls i.e., Grid side controller (GSC) and Rotor side controller (RSC) which are used to control the AC/DC/AC converters of DFIG wind turbines and to generate the desired active power demand specified by the grid operator. Simulation is carried out in Matlab to evaluate the performance of wind farm equipped with 15 DFIG wind turbines with and without ESS to provide a constant active power of 36MW
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Last modified: 2017-04-18 23:12:14