高滲透率再生能源併網對智慧電網之衝擊

本論文主要目的在因應太陽光伏發電系統之併網對配電系統之衝擊。從饋電線徑資料整合新設PV及變壓器資料後產生配電系統三相潮流分析之輸入資料檔，運用Fortran進行系統模擬分析，考慮低壓太陽光電系統設備裝置容量、導線長度、線徑型式、及功率因數等，探討其對併接點或責任分界點電壓變動率之影響。此外，本文以雲林地區之氣候因素及總日照量太陽光發電量資料，再以台電再生能源發電系統併網規範最大電壓變動率為前提，導入太陽光電設備之智慧型變流器進行功率因數調整，探討其電壓變動情形。

關鍵字

太陽光伏發電；再生能源；電壓變動率；智慧變流器

並列摘要

This thesis aims to respond to the impact of the grid-connected solar photovoltaic (PV) system on the low-voltage distribution system. Generating an input data file to the three-phase power flow analysis of distribution system after the integration of the new data from PV and transformer feeders with wire information, this thesis investigates the effect on the voltage variation at the point of common coupling (PCC) by using Fortran to make a systematic simulation and analysis, with considerations of the installed capacity of low-voltage solar photovoltaic system, the length of conductor, the type of wire conductor, the power factor, and so on. Moreover, according to the weather data, total amount of sunlight irradiation, and solar power generation in Yunlin area, this thesis studies the voltage variation at the PCC through adjusting power factors of the smart inverter of PV system on the premise of the maximum voltage variation limit of the grid connected regulation by Taiwan Power Company for the renewable energy generation systems.