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Join Date: Jan 2010
Location: Phnom Penh, Cambodia
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Saving Energy with Automatic Voltage Stabilizers

01/26/2010 11:33 PM

I have load about 200KVA with voltage drop input range around +/-20%.

Please help to answer me if it can be save the electrical consumption by using the automatic voltage stabilizer?

If yes how many % can be saved?

Thanks,

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Associate

Join Date: Jan 2010
Location: India
Posts: 42
#1

Re: Saving Energy with Automatic Voltage Stabilizers

01/27/2010 11:15 PM

I don't see any connection between energy saving and stabilizer. As the name implies, stabilizer ensures stable voltage, within the range, on output independent of input variations, again within certain limits. Theoretically, if voltage drops, the current drawn increases thus keeping Kilowatt power constant. Of course, too low voltage might increase "reactive power" of the system thus reducing power factor which may result in billing penalty. But having said that, stabilizer in no way will complement for both of these downfalls.

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#2

Re: Saving Energy with Automatic Voltage Stabilizers

01/27/2010 11:26 PM

Voltage drop are consequence of high reactive power demand.

Your load of 200 KVA and voltage drop shows that!

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Anonymous Poster
#3

Re: Saving Energy with Automatic Voltage Stabilizers

01/28/2010 8:42 AM

automatic voltage stabilizers aren't used to save energy, they are used to stabilize voltage. you should be talking of means of reducing power losses. if that is the case then you need to check on your power factor, then start thinking of improving it, if your load has a power factor <0.8, this means high current demand and hence increased power loss. plz research. thats why there is an internet

TOMNO

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Anonymous Poster
#4

Re: Saving Energy with Automatic Voltage Stabilizers

01/28/2010 10:48 PM

Voltage fluctuations result in change in corresponding current. Due to this the current value rises higher resulting in higher I2R losses in the copper windings and cables. Motors draw more current especially the smaller motors (upto 7.5 HP) are impacted more.

If the voltage is stabilized there will not be any fluctuations in corresponding current and hence reduced losses. A voltage stabilizer not only saves energy but improves motor and cable life as well.

In your case since the fluctuations are quite high., it will make sense to use a stabilizer on incomer as the transformer could then be efficiently loaded. To know more please visit our website www.econserve.in .

Regards,

Rathin Vyas

Enerco Energy Solutions LLP

www.econserve.in

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