Answer / g senthilkumaran

Scalar drive means only V/F control over the motor
torque can control by V/F mode

Vector control drives use a mathematical model of the motor
to dynamically determine the values of the essential
operating and control parameters. They are called "vector
control" drives because this analysis is based on a vector
representation of current, voltage and magnetic flux.

Vector drives continuously monitor and analyze the motor
current to determine what voltage to apply at any given
frequency to produce the optimum magnetizing current.

Vector drives provide excellent performance in terms of
accurate static and dynamic speed regulation and rapid
response to sudden changes in load torque

Use of switch mode power converter in real-time basis?

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how can get electrical c licence.now i am working in spining mill , transformer capacity 2750KVA. SANCTION DEMAND 2250KVA. PLEASE ADVISE ME . MY CONTACT NO 09944226823

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Two bulbs of 100w and 40w respectively connected in series across a 230v supply which bulb will glow bright and why?

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What is highest size of HT motor like 11 kv or 33 kv,and how to make it 750 rpm.i think the size will be very big.any idea ? pl. reply..

0 Answers   ABB,

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What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

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In n high voltage 11kv system What happened if 1 of CT cable (IDMT) loose.Will e/f or o/c trip.please explain detail

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while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?

1 Answers   ACC,

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what is the difference between gsm and cdma??

2 Answers   QMS, Vedanta,

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WHY WE NEED NEUTRAL FOR 3PH 400 OR 415 VOLTS POWER SUPPLY (4 WIRE SOURCE).

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how can i get an electrical c-certificate?

0 Answers   Wartsila,

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Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz

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As the one point of eac phase winding is connected to each other in satr connction. Even if that at distribution side collesion of two diff phases result in to blast. Why?

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