序号  比较的指标                                      高频机                  工频机

1 过载能力                                                一般                   较强
2抗输入浪涌能力                                     一般                   较强
3 输出抗冲击、短路能力                        一般                   较强
4输入PF值                        0.99                  0.92
5整机效率                                             85～97%             85～95%
6零地电压                               相对较差有高频分量          相对较好
7输出级元器件                                           多                      少
8功率器件容量                                           小                      大
9故障时器件损坏程度                               高                      低
10 可靠性                                               一般                      好
11可维护性                                         较复杂                     较简单
12重量                                                    较轻                      较重
13体积                                                    较小                      较大
14与发电机适应力                               较差                      好
15输出功率因素                                   0.7                      0.8
16成本                                                   低                       高