CAJ | 학술논문

针对低负荷密度地区的负荷特点，提出在此类地区采用20 kV作为中压电压配电电压等级。从最远供电距离的角度考虑，得出确定出线数目的方法，构建了适应低负荷密度地区的电网模型，在此模型基础上，提出了以年费用为目标函数的低负荷密度地区的电网经济分析数学模型，进而比较不同电压等级的经济性，对20 kV电压等级在低负荷密度地区的可行性进行了验证。
침대저부하밀도지구적부하특점，제출재차류지구채용20 kV작위중압전압배전전압등급。종최원공전거리적각도고필，득출학정출선수목적방법，구건료괄응저부하밀도지구적전망모형，재차모형기출상，제출료이년비용위목표함수적저부하밀도지구적전망경제분석수학모형，진이비교불동전압등급적경제성，대20 kV전압등급재저부하밀도지구적가행성진행료험증。
According to load features of low load density area, the use of 20kV as medium voltage distribution level of this area is put forward.Considering the farthest power supply distance, the method of determining the number of out-let is obtained, and a power grid model which fits the low load density area is constructed.On this basis, the mathe-matical model for economic analysis of the grid in low load density area that uses annual cost as the object function is put forward.Then the economic characteristics of different voltage levels are compared, and the feasibility of the 20kV voltage level in low load density area is verified.