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本文根据现场需要,在调查和试验的基础上对铁磁谐振式单三相变压器运行中的若干问题进行了分析,并给出下列问题的定量关系表达式:(1)单三相变压器作电源时能直接起动的电动机功率;(2)起动功率与移相电容的关系;(3)降低绕组内电流与α相电容配置关系。本文还提出了单三相变压器经济合理的起动方式与“三级运行方式”。
Based on the investigation and experiment, this paper analyzed some problems in the operation of ferroresonant single-phase three-phase transformers and gave the quantitative relation expressions of the following problems: (1) single three-phase transformer for power supply (2) the relationship between the starting power and the phase-shifting capacitor; (3) the relationship between the current in the winding and the α-phase capacitor is reduced. This paper also proposed a single-phase three-phase transformer economically reasonable start-up mode and the “three-run mode.”