As per the equipment capacity and test equivalence demands, this paper demonstrates the necessity, urgency and feasibility of applying variable-frequency series-resonant voltage withstand tests.
为此，根据设备容量和试验等效性要求，论证采用变频串联谐振耐压试验的必要性、紧迫性和可行性。
The author has developed a dissipation factor measuring system using the variable frequency series resonant voltage.
本文研制了一套在调频串联谐振电压下进行介质损耗因数测量的系统。
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