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Re: sizing generator
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07-15-2010 05:30 PM
Edison,
From my experience, the most demanding application for any genset were stand alone (no utility) processes that occur in mining -like hoists and mills, oil well drilling, modern container cranes, and other processes that are duty cycle applications. Usually these require fast transient response and exhibit a low percentage of base load to operating RMS and peak load; have full regeneration 4 quadrant drives with non linear load low power factor characteristics . These were mostly seen with the now obsolete but often retrofitted SCR based drive systems. Modern new fully regenerative IGBT based AC drive systems that have active front ends are much more forgiving electrically. I am talking big sets; 1.2 to 4 MVA.
Some marine applications, such as dredging and car ferries can be equally challanging.
Key to a sucessful job is an in-depth understanding and accurate analysis of the process and equipment. The very fine Cat application software tool alone may not be adequate for these jobs.
WLJ1943
Re: sizing generator
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07-19-2010 05:12 AM
dear if they are asking for backup power they must provide their daily requirement i mean suppose if their daily usage is 10hours and the peak load is 10000watts its mean if u provide a genset of capacity 11kw will be enough to withstand their requirement.
TIME= 08 HOURS
PEAK LOAD=10000WATT= 10KW
KWh = KW * TIME
KWh = 10 * 8
KWh = 80kWH THIS IS THE ENERGY CONSUMED IN 08 HOURS
I SAID 11KW TO PROVIDE THE GENSET FROM OVERLOADING.
Re: sizing generator
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07-22-2010 12:20 PM
question I have 10 chicken houses side by side they require 400 amp service . a 150 gen set will over produce the annual killowatt usage will that supply a 400 amp service?
Re: sizing generator
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07-22-2010 10:36 PM
Is that a 400 amp service to supply all 10 chicken houses. One thing to remember is that the utility power does not droop. Generators usually do droop or slow down when the load is applied. If your 150 KW generator is rated at 400 amps it should be able to handle all the fans starting at once but the engine may struggle for a few seconds.
Re: sizing generator
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09-01-2010 02:42 PM
I need to start a motor whit:
COMPRESSOR YDTL-144
CODE: BT
York YTK74
SERIE: GNCM151120
VF: 460 VAC, 60 HZ
FL: 2.5
STARTER
SOLID STATE STARTER
MODEL: SSS262-46ª
SERIE: 000951H094
PART: 371-01211D012
MAX. I STARTING: 2600A
MAX F LOAD: 850
MIN F LOAD: 250
MOTOR: HP 520 TYPE P 3600 RPM
AMP FLA: 576
LRA: 5000
Wath generator it is necesary?
Can you help me?

United States / Canada
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