Friends, today in this article we will learn about the energy audit of the electricity body. I am going to give information about all this in a very good way. So let’s start.
Energy audit of power utility
In every plant or industry, many motors are used as drivers. For low or medium power output, three-phase cage induction motor is preferred. For high power output, three-phase slip ring induction motor is used. The full load efficiency of three-phase induction motor is 80% to 90%. When the load on the motor is less, the efficiency decreases and the value of wasted power increases. Therefore, an important objective of energy management is that the optimum size of the motor should be used.
It will be beneficial to replace the low efficiency and low power factor motors installed in the plant. Sometimes the specifications of the motors are less than the specifications written on the nameplates and labels, hence efficiency and power factor are measured under energy audit. The following are the methods to reduce the energy cost of electric drives:
(a) Replacing motors already installed in the plant with energy efficient motors
(b) Select the appropriate size motor
(c) Improve the power factor by using shunt capacitors
To carry out energy audit the following points should be kept in mind-
- Preliminary Data Analysis – First of all we should know what type of power system it is. Also we should collect small details about it. What is the lighting system, canteen, pumping system like there.
- Measurement at Site – The place should be measured thoroughly.
- Data Analysis – We should calculate the data of every equipment of the power body which is to be audited. This will let us know whether it is in accordance with the environment and safety or not.
- Recommendations based on economic viability (short term, medium-term, long-term measures) – Based on the above data, we can give recommendations to this power body about its economic condition, for how long it is economically safe and what improvements can be made.
- Report Submission, discussion of recommendation with the client and finalising the report with clients – Once the committee/commission ascertains the improvements in its report, then the report is submitted with the consent of the body managers to ensure safety precautions and good productivity in the future.
What did you learn today :-
Now you must have known about the energy audit of the electricity body and you must have got the answer to all these questions very well.
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