日照干式变压器：日照干式变压器空载损耗

日照干式变压器空载损耗 　　
日照干式变压器的空载电流I0产生磁势I0N及磁通由于磁通主要在铁心中通过，因此在铁心硅钢片中产生一定的损耗，即空载损耗。此外，在一次绕组中流过I0时产生导线电阻损耗I0很小(约占定电流的百分之几)，所以导线电阻损耗可忽略不计。
另外，除了大部分磁通在铁心中流通外.还有很小一部分漏磁通沿钢铁构件(夹件、压板及外壳等)形成闭合回路，在这些钢铁件中产生附加损耗。由于这些损耗很难准确计算，故往往采用一个附加系数来表示。
空载损耗主要是铁心的损耗，而铁心损耗又分为磁滞损耗和涡流损耗。

Load loss of transformer

The transformer no-load current I0 magnetic potential I0N and the flux due to flux through the iron hearts of the core silicon steel have some wear and tear, that is, no-load loss. In addition, the primary winding stream I0 when the wire resistive losses I0 is small (accounting for the current of a few percent), the wire resistive losses can be neglected.
In addition to most of the flux in the iron hearts circulation. There is a smal联系人：陈经理l part of the leakage magnetic flux along the steel components (folders, plate and shell, etc.) form a closed loop, to produce additional losses in the iron and steel parts. Because these losses is difficult to accurately calculate, it is often an additional factor to represent.
No-load loss is core loss and core loss is divided into hysteresis loss and eddy current losses.

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