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What is the difference between AC Drives and DC Drives?
College School Exams Tests, La-Gajjar Machineries, LG, Schneider, SMEL,
14 95434what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment
5 99491. Why a DC motor starter is called 3 point starter
ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva,
21 80843Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.
TATA,
2055Post New Electrical Engineering Questions
what can be the causes of capacitor start motor having a higher current that its actual
why the voltage and current in a long transmission line are called travelling wave?
what are factors to be consider in electrical installation like load factor,diversity factor .....
What are n circles?
anyone please send transformer parameter design formulas & details of tap changer ? plz i have interview this week its more helpful for me ?
The shot circuit in any winding of transformer result? Explain
dg started in plc mode and load taken later one battery terminal connection will be disconnected by loose connection what will happen for dg and shall we connect battery terminals while dg in load time?
How to calculate the no of Ceiling fan (1200mm sweep) per unit area?
magnetizer priciple
In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc
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.
A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?
how many parameters can integrate with fire alarm basically ?
what is the difference between pvc & fiber glass cables
How can claculate to attain the desired PF in the line ( HOW Much KVAR is required ) Pls Give the formula? Equate Petrochemical 0 1 how to calculate sizing of NGTR (Transformer rating,Loading resistor value and Current rating of resistor) and what is the X/R ratio. Details : 11kV,Capacitance 1.73532 micro farads,40kA for 1sec. 0 1 What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding? Equate Petrochemical 0 1 What is required of exietation to the alternater. 0 1 why star point of HT motor not earthed? Equate Petrochemical 0 1 Why we are getting low voltage in star connection? Equate Petrochemical 0 2 What's ND relay & it's functions? Equate Petrochemical 0 2 How instantanious short circuit current is calculated? its formula? Equate Petrochemical 0 2 What is servo Motor? What's the advantages of this motor over Induction motor? Equate Petrochemical 0 2 What is core CT & it's function? Equate Petrochemical 0 3 what is meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY L & T 0 4 What is required of exietation to the alternater. KNB 1 23 what is the design voltage for 6.6KV 2000 KVAR HT capacitor? Consultancy 0 3 Pls explain about vfd control?Where it is used, Give some example? siemens 1 22 Please explain me abt PQ diagaram in the power sector. 0 9
