Based on the analysis of the differential protection of the double windingtransformer, the paper presents a simplified ratio restraint algorithms for the three phase, threewindingtransformer.
The machine can perform two-wire, three-wire and multi-wire parallel winding or flat copper wire winding to completely resolve the mechanical winding of voltage transformer secondary coils.
该机可进行双线、三线多线并绕或扁铜线绕制,使电压互感器二次线圈采用机械绕制的问题得到彻底解决。
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Simulation results show that the improved three-layer BP neural network can implement transformerwinding hot spot temperature prediction well.