直流电机为什么要并联电容
ling ji chu xue dian gong ，【yi gong fen ji bu 】kan dian 4 - 5 ：dian ji ，dian ji you 3 gen xian ，na ge jie dian rong ，na ge jie ling xian huo xian ？fang fa hen jian dan ，wei shen me dian ji dou yao jie yi ge dian rong ？shi fu gao su ni shi shen me yuan " 有些直流电机也在电枢两端并联一个电容，这个电容主要是滤波和抗干扰使用。使用后功率因素比较低，供电房都需要利用电容来做无功补偿。而远距离的无功
零基础学电工，【一共分几步】看点4-5：电机，电机有3根线，哪个接电容，哪个接零线火线？方法很简单，为什么电机都要接一个电容？师傅告诉你是什么原zhi liu xiao dian ji xu yao bing lian dian rong de yuan yin shi wei le gai shan dian ji de qi dong xing neng he yun xing ping wen xing 。1 . zhi liu xiao dian ji xu yao bing lian dian rong 。2 . dian rong de bing lian ke yi ti gong e wai de dian liu gong gei , bang zhu dian ji zai qi dong shi ke fu qi dong dian liu jiao da de wen ti 。you yu dian rong qi ju you chu neng de gong neng , dang dian ji xu yao da dian liu shi , dian rong qi neng gou shi fang chu cun de neng liang , jian qing dian yuan de fu dan , cong er geng rong yi qi dong dian ji 。3 . bing lian dian rong hai ke yi gai shan dian ji de yun xing ping wen xing , jian xiao dian ji qi ting shi de chong ji he zhen dong 。dian rong qi neng gou ti gong dian liu de ping hua xing , shi dian ji zai gong zuo "
suo yi ti gao gong lv yin shu jiu neng zuo geng duo you yong de gong ，fang fa jiu shi tong guo bing lian dian rong jian shao wu gong gong lv ，yi ti gao gong lv yin shu tuo zhan cong tu zhong ke yi kan chu wu gong gong lv bi you gong gong lv hai yao duo 。zhi you you gong gong lv " 直流小电机需要并联电容的原因是为了改善电机的启动性能和运行平稳性。1. 直流小电机需要并联电容。2. 电容的并联可以提供额外的电流供给，帮助电机在启动时克服起动电流较大的问题。由于电容器具有储能的功能，当电机需要大电流时，电容器能够释放储存的能量，减轻电源的负担，从而更容易启动电机。3. 并联电容还可以改善电机的运行平稳性，减小电机启停时的冲击和振动。电容器能够提供电流的平滑性，使电机在工作
所以提高功率因数就能做更多有用的功，方法就是通过并联电容减少无功功率，以提高功率因数拓展从图中可以看出无功功率比有功功率还要多。只有有功功率直流电机上为什么要并个电容？请详细解释
zhi liu dian ji shang wei shen me yao bing ge dian rong ? qing xiang xi jie shi you xie zhi liu dian ji ye zai dian shu liang duan bing lian yi ge dian rong ，zhe ge dian rong zhu yao shi lv bo he kang gan rao shi yong 。" shi yong hou gong lv yin su bi jiao di ，gong dian fang dou xu yao li yong dian rong lai zuo wu gong bu chang 。er yuan ju li de wu gong "