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7 July, 2015 00:00 00 AM
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The digital intelligent motor controllers (IMCs) when installed with an induction motor provides optimal power management and results in energy savings up to 40 per cent

Conserving power : All have a role to play

The present power supply position in Bangladesh has many dimensions. However, it is too simplistically, wrongly and widely seen as a case of governmental failure only in generating less power compared to demand. But this is an oversimplification of the problem.
One may be astounded to know how much of power is simply wasted every day from keeping light bulbs switched on carelessly as the users have underhand deals with meter readers to pay fixed amounts in bills no matter how much power they consume.  Shopping malls remain lighted up long beyond authorized hours and even the publicly operated street lights can be seen burning in the day time because someone has had no time to switch them off from a central control point. Easy bikes that run on power suck up freely hundreds of megawatts of power from the lines for charging their batteries. There is no regulation in the matter. Unauthorized and temporary connections are taken from power supply lines and there seem to be hardly control over such thievery.
In sum, only from stopping such lack of care and stealing, nearly one fourth of the current effective demand for electricity in the country can be met. Approximately 60% of our country's daily electric power consumption is used to run electric motors. The digital intelligent motor controllers (IMCs) when installed with an induction motor provides optimal power management and results in energy savings up to 40 per cent.  
An IMC also can increase a motor's life by decreasing its operating temperature. It is estimated that with the application of IMCs, we can save up to 720 MW electricity daily.
Consumers in Bangladesh still are largely hooked to incandescent bulbs (IBs). But the compact fluorescent lamps (CFLs) can give the same illumination as that of an IB with 80% less energy. Moreover, the life span of CFLs are 10 times higher than IBs. In Bangladesh, auxiliary consumption of the power plants is about 6 to 7% of total generation. By proper energy auditing, energy management and installation of the latest energy efficient devices, auxiliary power consumption in the power plants can be reduced significantly.

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Editor : M. Shamsur Rahman

Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

Editor : M. Shamsur Rahman
Published by the Editor on behalf of Independent Publications Limited at Media Printers, 446/H, Tejgaon I/A, Dhaka-1215.
Editorial, News & Commercial Offices : Beximco Media Complex, 149-150 Tejgaon I/A, Dhaka-1208, Bangladesh. GPO Box No. 934, Dhaka-1000.

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