求翻译：　变压器次级开路时，初级仍有一定的电流，这部分电流称为空载电流。空载电流由磁化电流（产生磁通）和铁损电流（由铁芯损耗引起）组成。对于50Hz电源变压器而言，空载电 流基本上等于磁化电流。是什么意思？

Transformer secondary open circuit, there is still some of the primary current, this part of the current is called no-load current. No-load current from the magnetizing current (flux generated) and iron loss currents (caused by the core loss) component. For the 50Hz power transformer, the load curre

transformer secondary roads, primary is still a part of the current known as electric current, the load current. No load current (generated by magnetising current magnetic flux) and iron loss arising from current (from iron core depletion) composition. For the 50 empty Hz power transformer, electric

Electric power

　When the transformer secondary circuit, a junior there is still a current, this part of the current outgoing current. No load current by magnetic current (magnetic flux) and iron loss current (caused by a loss of iron core). 50Hz power transformer, basically of no load current is equal to the magne

　When the transformer secondary circuit, a junior there is still a current, this part of the current outgoing current. No load current by magnetic current (magnetic flux) and iron loss current (caused by a loss of iron core). 50Hz power transformer, basically of no load current is equal to the magne