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Muff
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Joined: 5-July 09
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Last Seen: 20th January 2010 - 01:26 PM
Local Time: Sep 3 2010, 11:09 PM
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Muff

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28 Sep 2009
my motor is feeding a chiller and its rating 2500HP, 4160V. if there is minor fluctuation of voltage the all the motor trips.

so we thinking to increase the time setting in MMR but in general the motor should deliver the full load within 5% voltage drop.

My quries are

is the 5% voltage drop is the standard acceptable range?
if set the settings of 5% VD what should be the time dealy we should to set in MMR?
or any other solutions?

Thanks in advance.
Maffin

31 Jul 2009
dear all,

for a 3phase system if my service voltage 380V and my current is 160 amps. what would be the VA in the individual phase.

Looking forward for your prior response.

Regards,
Muff
12 Jul 2009
dear all,

would you please provide me a link or suggestions what i need to take for electrical heater design for fan coil unit.

please help me in this regard.

Regards,
Muff
5 Jul 2009
Any link where i can information about elctric heaters.

Regards,
Muff
5 Jul 2009
if my motor HP is 1350 and eff= 70% how to calculate the power consumption of motor in one hr Kw/hr???
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