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等效负载的确定是机车传动系统动力学研究中的关键问题。
The equivalence of the load is a key step of the dynamic study on the transmission system of the high speed locomotive.
经过试验证明 ，新型驱动组件作为继电器类或等效负载的驱动电路 ，可以确保其不出现单点失效现象。
Test results show that, when used as driving circuit for relay or other switches, can ensure that the single point failure would not appear.
由于电容在充电过程中，其电压不断改变，其等效负载也在较大的范围内变化，因而对充电电路的负载特性提出了较高要求。
Because the capacitor voltage always changes in the course of charging, and the equivalent load also changes in a large range, the load characters of charging circuit are required strictly.
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