How to Calculate Contracted Maximum demand using motor Hp or
Current

Answer Posted / k.prakashchandra

Max contract demand (MD) is in KVA

Is This Answer Correct ?    8 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is gross error?

666


How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

1755


how ct burden,magnetising current,ratio and knee point voltage are related & derived

1734


why does the magnetic balance tests at transformer?

1403


What will happen if i replace a inductive proximity switch with photo sensor in a machine?

1380






if voltage bt phase & nutral is 38v in a panel board . whats the root cause.

1787


what is meant by vector group of a transformer? How can it be derived?

1491


What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

1544


is this the formula of building wiring to get the main breaker.Watts/volts*.8%+higher motor*(25%)=ampere. yes or no or send the correct formula for building wiring.

1152


Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

1215


When we use air circuit breaker, it has O/L protection ,time delay SC protection, Instataneous SC protection & ground fault protection. They all have some setting range. But what is the suitable/allowable setting for the above protection which will be safe for the equipment? For example-O/L protection setting have a range of (0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.8,0.9,1.0)xIn Time delay SC protection have a range of (1.25,1.5,2,3,4,6,8,10,12)xIn Time delay setting is 0.02,0.1,0.2,0.3,0.4 Instataneous setting is fixed to 20xIn Gound fault setting is given 100A,300A,600A,900A,1200A This setting are for 2500A ACB. So what will be the basic allowable setting for the above protection? is there any formulae to calculate this<

1649


r we are using in gas turbine mark (5) frame (6) (made in india Bhel 1997) Ā

1268


can u give me a brief idea about power line carrier communication ??

1371


How to calculate KVA/VA rating of PT or CT from primary & secondary voltage or primary & secondary current?

1963


(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

1646