CRH2A 型动车组牵引主电路的基本工作原理
["\u52a8\u8f66\u7ec4\u7535\u6e90\u7531\u63a5\u89e6\u7f51\u901a\u8fc7\u53d7\u7535\u5f13\u83b7\u5f97\uff0c\u901a\u8fc7 VCB \u4e0e\u7275\u5f15\u53d8\u538b\u5668\u7684 1 \u6b21\u4fa7\u7ed5\u7ec4\u8fde\u63a5\u3002\u7275\u5f15\u7535\u8def\u5f00\u95ed\u7531 VCB \u6765\u5b9e\u65bd\u3002\u7275\u5f15\u53d8\u538b\u5668 2 \u6b21\u7ed5\u7ec4\u4fa7\u8bbe\u6709 2 \u4e2a\u7ebf\u5708\uff0c1 \u6b21\u4fa7\u7684\u7535\u538b\u4e3a 25kV\u65f6\uff0c2 \u6b21\u4fa7\u7ed5\u7ec4\u7535\u538b\u5219\u4e3a 1500V\u3002\u7275\u5f15\u53d8\u6d41\u5668\u5728 M1 \u8f66\u3001M2 \u8f66\u4e0a\uff0c\u6bcf\u53f0\u7275\u5f15\u53d8\u6d41\u5668\u63a7\u5236 4\u53f0\u7275\u5f15\u7535\u673a\u3002\u5728\u7275\u5f15\u65f6\u5411\u7275\u5f15\u7535\u673a\u63d0\u4f9b\u7535\u529b\u3001\u5728\u5236\u52a8\u65f6\u8fdb\u884c\u7535\u529b\u518d\u751f\u63a7\u5236\u3002"]