Answer Posted / pawan thakur

Bcoz of High troque and also ac supply direct given in series ac. Motor in case of dc motor ac. Supply convert in dc.. Is more expensive..nd switching controling handling is easy to Ac.

What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

2029

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I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME

1795

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To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors

1941

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How is the speed of a DC shunt motor related to the armature current?

1147

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What is the suitable transmission voltage?

1033

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how much allowable resistance that can be difference in motor all coils?

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What is limitedly stable system?

1078

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what is the correct method for the outdoor termination of 19/33 KV HT cable step by step?

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Why have to use copper cable for local isolator to motor ?

2062

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could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

1999

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WE HAVE THE DC RECTIFIER 1500A, INPUT VOLTAGE IS 3 PHASE. HOW TO CALICULATE THE LOAD? 3 PHASE SIDE EITHER dC SIDE. PLEASE SUGGEST ME

1845

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What is a DC series motor?

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What is an automatic controller?

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What is the difference between DOL starter and star delta starter

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hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

1954

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