FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electrical engineering, in particular to traction power supply systems for AC railways. The effect is achieved by the fact that the device is based on the use of filters of the third harmonic component in the circuit of the current transformer KU and the supply line of the contact network to assess the first harmonic of the traction current referred to the sectioning post.
EFFECT: reducing power losses in the traction network and increasing the throughput of the railway section using an integrated control system.
1 cl, 2 dwg
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