文中提出了一种不空载运行变压器取得变压器铁心振动信号基频成分的负载电流法。
In this paper, a method extracting cores vibration signal with operating transformer at on-load condition was introduced.
本文介绍了变压器铁心振动的起因，提出了一种不必空载运行变压器即可取得变压器铁心振动信号基频成分的方法。
In this paper, the principle of core vibration was described, and a method extracting cores vibration signal without operating transformer at no load condition was introduced.
复杂振动中频率最低的成分(基频或一次谐波)。
The component having the lowest frequency in a complex vibration (fundamental frequency or first harmonic).
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