文档介绍：一、单项选择题(本大题共10小题,,共15分)在每小题列出的四个选项中只有一个选项是符合题目要求的,请将正确选项前的字母填在题后的括号内。(   C ) 、无功功率                                              、频率和波形                                                       ,重合闸装置接线中设置了( C   )                                                                                                                       ,有接近90%的故障是( C   )                                                                                                                                     (    B) %~5%                                                                     %~10% %~15%                                                           %~20%(A    )                                                                                                                                                ,当输出的无功电流增大时,机端电压(  D  )                                                                                                                                     ,会(  C  )