Operational and economic impacts of distorted current drawn by modern induction furnaces

Modern induction furnaces in power distribution network always play pivotal role when connected to the grid stations independently. This paper focuses on indirect consequences caused by distorted current waveform drawn by modern induction furnaces in terms of operational and economic impacts, particularly the derivation of distortion power, extra active power and reactive power in the distribution network, percentage increase in system losses, displacement and true power factor measurement and finally the calculation of extra bill charged from the consumers. Mentioned above parameters have been derived mathematically and simulated in Matlab, which also demonstrate their drift as a function of distance from grid to furnace at 11 kV feeder.