• Electrical India
  • Aug 5, 2017

Power factor compensation and harmonic filtration in integrated steel plants is a tool to reduce stress in electrical system. The paper focuses on energy efficiency issues and advantages with compensation and harmonic filtration. The paper presents comparative study of compensation requirement in various steel plant units. It would be interesting to find that requirement is the most in Rolling Mills, BOF, CCP, BF & Sinter Plant. In fact the entire steel plant is energy guzzler and with advent of drives, automation and precision requirement, fanning out electrical system stress has become more important and crucial…

  • Electrical India
  • Jan 5, 2017

This article discusses the power quality issues and how is the unwanted component (called harmonic) introduced. Consequence of harmonics according to their sequence will be different and most precarious also. Moreover, different strategies according to different cases are discussed. We have discussed four different cases. Whereever necessary, the mathematical analysis is shown with output waveform to prove the arguments...

  • Electrical India
  • Aug 5, 2016

The major requirement of electrical power in educational institutes is at day time, as major work of teaching-learning is carried out at day time. That is the plus point for the use of solar energy. Hybrid systems such as Solar-Wind, Solar-Diesel and Solar-Biomass may also be beneficial setups depending on the geographical condition...

  • Electrical India
  • Jan 5, 2016

The local electrical power supply company imposed restrictions on the operation of the Electric Arc Furnaces, 4 hours each in the morning and evening peak periods. The plant was in loss...

  • Electrical India
  • Aug 5, 2015

Power electronics based controllers used in distribution systems are called custom power devices. These devices have been proved to be quite effective in power quality enhancement. They may be of series, shunt and series-shunt or series-series type – depending upon their connection in the circuit...

  • Electrical India
  • Jul 5, 2015

Collection of failure data is the first major task. In free repair service or in repair contract, very little effort is made by utilities to find out the root cause of failure, which could be one of the reasons why a damaged transformer is replaced by a new one without removing the cause of damage, leading to failure immediately or within a very short period...

  • Electrical India
  • Nov 5, 2014

We share with you an energy audit case study in a Platinum rated IGBC green factory. Here we showcase about the industry’s initiative to correct the defects if any, before the energy audit and steps taken by the industry immediately after the audit to reduce the THD harmonics dumped to the EB grid.