The Longitudinal differential maintenance of the transformer shall be in accordance with the following requirements: 1) shall be able to avoid the inrush current and external short circuit generated by the unbalanced current. 2) the differen
When the dry type transformer is subjected to voltage test, there will be three kinds of sound crackling crackling due to the electrical distance: the sound of air ionization ZI, ZI: the sound of air flow = PA: loud and crisp, accompanied by
The corresponding protective equipment should be installed for the short-circuit defects of the lead-out wire, bushing and the inside of the transformer, and should comply with the following provisions: 1)10MVA and above a single working tra
Dry transformer characteristics and structure relative to the oil transformer, dry transformer because of no oil, there is no fire, explosion, pollution and other problems, so the electrical specifications, regulations and so on do not requi
首先变压器与低压配电柜并列安装时其外壳的防护等级不低于IP3X，分列安装时不低于IP2X；其次是生产干式变压器的铁芯，套管表面应该没有火花放电痕迹；再其次就是生产干式变压器
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