【判断题】【消耗次数:1】
高压电压互感器无论一次电压多少伏,其二次侧额定的电压均为100伏。
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错误
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相关题目
【单选题】 通常电压互感器二次绕组的额定电压均选用()。
①  110V
②  220V
③  380V
④  100V
【单选题】 在高压电器中电压互感器属于()。
①  保护电器
②  量测电器
③  开关电器?
④  组合电器
【单选题】 电流互感器二次绕组绝对不许(),电压互感器二次绕组不许()。
①  短路,短路
②  短路,开路
③  开路,短路
【判断题】 使用电压互感器时其二次侧不允许短路,而使用电流互感器时二次侧则不允许开路( )。
①  正确
②  错误
【单选题】 电压互感器的功能是在一、二次绕组间产生电磁关系,将(????)进行变换。
①  电阻
②  电压
③  电流
④  电容
【判断题】 电压互感器在使用时,副绕组可以短路。
①  正确
②  错误
【单选题】 母线送电前?,?应先将母线电压互感器投入。( )
①  正确
②  错误
【判断题】 电压互感器在工作中,副方不能短路。
①  正确
②  错误
【判断题】 电压互感器应用时副边决不允许短路?
①  正确
②  错误
【单选题】 当变压器一次侧电压一定时,若二次侧电流增大,则一次侧电流将( )。
①  增大
②  减小
③  略有减小
④  不变
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