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【简答题】
某工厂10kV供电线路，已知线路中最大负荷电流为200A，采用电流互感器的变比K i 为300/5A。线路首端三相短路电流值为7.8kA，末端三相短路电流值为1.5kA，试选择过电流保护装置，并作整定计算并校验保护装置的灵敏度。
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举一反三
【单选题】2Why did Mr. Layton call it a 'win-win' situation?
A.
The situation proved to be beneficial to both Mr. Edwin and the employer.
B.
The situation proved to be beneficial to Mr. Edwin, who with his talent and passion, would have better chances for career development.
C.
The situation proved to be beneficial to the employer who would sponsor a second employer.
D.
The situation proved to be beneficial to both the manufacturing company and speech coaches.