本文提出了电力变压器内部相间故障的分析方法，比较了距离继电器及其他后备保护在此故障时的灵敏度。
In this paper the method of analyzing the phase-to-phase faults in power transformers is presented. The sensitivities of distance relays and other back-up protections during the faults are compared.
随后利用电路理论对这种变压器的各种相间短路故障进行了分析，得到了各种故障情况下变压器高低压侧各相电流间的关系。
The relations between the currents of all phases and at both sides are drawn out by applying circuit theories and analyzing different inter phase short circuit faults of this kind transformer.
目前变压器相间后备保护对变压器匝间故障的灵敏度不高。
The transformer backup protection for phase- to- phase faults is not sensitive to the few turn turn- to- turn faults of transformer.
油浸分相组合式变压器相间油路自由隔断装置，属变压器的设计制造技术。
An automatic separation device for alternate oil channel of oil-immersed split-phase combined transformer belongs to designing and manufacturing technology of transformer.
油浸分相组合式变压器相间油路自由隔断装置，属变压器的设计制造技术。
An automatic separation device for alternate oil channel of oil-immersed split-phase combined transformer belongs to designing and manufacturing technology of transformer.
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