Saturday, 25 February 2012

What is an Electrical Energy Audit?

Electrical Energy Audit forms an integral part of an Industrial Energy Audit. It is one of the 2 main forms of energy that is being audited and accounted for during Energy Audit. For some of the Industries which do not have Thermal Utilities an Energy Audit will only consist of Electrical Energy Audit.

Electrical Energy Audit consists of Studying, Assessing, Measuring and Analyzing electrical utilities. In a typical  Plant the electrical utilities consists of
  • Substations and / or Transformers
  • Power Distribution System (PCC, MCC)
  • Metering and Monitoring System
  • Motors
  • Blowers, ID / FD Fans
  • Compressors
  • Pumps
  • Lighting
Etc.

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Additionally Electrical Energy Audit also consists of Power Quality Analysis. Study and Analysis of Harmonics forms the main constituent of Power Quality issues. Other Power Quality issues include Sag, Swell, Voltage Fluctuations etc. During the audit sophisticated instruments such as Power Analyzer (Single phase and Three Phase), Harmonics Analyzer, Megger etc. are used by Certified Energy Auditors and Energy Managers to carry out measurements of various electrical utilities. Analysis of electrical consumption is done based on these measurements.

Further to this analysis of electricity bills, energy consumption trends, bench-marking inline with process requirement is also carried out.

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The report mainly consists of detailed analysis of the measurements, tables, pictures, graphical depictions and important calculations. Energy saving recommendations along with payback / RoI calculations are also included in the Energy Audit report. The recommendations may range from operational changes to retrofits and major changes. However based on our past experience it has been observed that Energy Audit itself may result in overall savings of 2-7% and with retrofit and other recommendations can result in savings of around 20%.

3 comments:

  1. Sir, we are interested in Electrical Energy Audit of our Steel Plant. Please let us know how to proceed with the same.

    ReplyDelete
    Replies
    1. Sir,

      We have the sent the details about the next step to your mail. Kindly furnish the details to proceed.

      Thanks !

      Delete
  2. We want to perform Electrical audit of a multi-national bank, but we've to perform audit of 75 branches... kindly send me the details and the steps to perform this.

    ReplyDelete