建材世界
建材世界
건재세계
THE WORLD OF BUILDING MATERIALS
2014年
6期
86-89,93
,共5页
短路电流%防范措施%计算方法
短路電流%防範措施%計算方法
단로전류%방범조시%계산방법
short circuit current%prevent measures%calculation methods
电力系统短路电流计算值是选择电气元件短路承受能力、开关分断能力及校验电气元件动稳定、热稳定的基本依据,也是作为电力系统继电保护整定值的主要依据。因此,电力系统短路电流的计算,在电气元件选型和系统设计过程中更为重要。
電力繫統短路電流計算值是選擇電氣元件短路承受能力、開關分斷能力及校驗電氣元件動穩定、熱穩定的基本依據,也是作為電力繫統繼電保護整定值的主要依據。因此,電力繫統短路電流的計算,在電氣元件選型和繫統設計過程中更為重要。
전력계통단로전류계산치시선택전기원건단로승수능력、개관분단능력급교험전기원건동은정、열은정적기본의거,야시작위전력계통계전보호정정치적주요의거。인차,전력계통단로전류적계산,재전기원건선형화계통설계과정중경위중요。
The calculated value of power system short circuit current is the basis of selecting short circuit affordabili-ty and switch breaking capacity of the electrical components,and verifying the dynamic stability and thermal stability of the electrical components,and also it is the main basis of the setting value of power system relay protection.The calcu-lation of power system short circuit current is very important in the selection of electrical components and system de-sign.