The scheduling strategy on high penetration of off-grid Photovoltaic Solar System

• Main Authors: ZHUANG-YU-HUI, 莊裕暉
• Other Authors: Cheng-Chien Kuo
• Format: Others
• Language: zh-TW
• Published: 2018
• Online Access: http://ndltd.ncl.edu.tw/handle/p6uzmf

碩士 === 國立臺灣科技大學 === 電機工程系 === 106 === In the micro-grid, the photovoltaic system dispatches every minute. For the short-term dispatch, the grid parameters need may not immediately available to the dispatch program. Therefore, this paper will develop a set of optimized gene algorithm to predict the grid input parameter like the forecast of photovoltaic power generation and the forecast of load power consumption. Then conveniently transit these data to the dispatch program. In order to develop the algorithm, this paper will carry out the scheduling simulation with Maltab and Visual Studio. Based on meeting the needs of different loads and the operational constraints, the algorithm will set the penetration rate of solar power and variable set. According to demand of grid dispatching, the algorithm will change the required penetration rate of system renewable energy and make more effective use of solar photovoltaic generation capacity. Furthermore, the algorithm will execute with the optimal operation of diesel generating sets and storage battery scheduling. Currently, the algorithm is applied to the operation mode of off-grid micro-grids. By utilizing the charge-discharge status of the dispatched, the algorithm can reduce the discard of renewable energy, increase energy efficiency and make the power grid scheduling more flexible. Simulation results show that the proposed algorithm is not only feasible but also provide micro-grid system as reference for immediate control and scheduling.