what is laser diodes?

1167

define the non synchoronism of synchoronous machine in general g or m??

1873

What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?

1923

Difference between on line capacitor and Station type capacitor

2022

What are the advantages of autotransformer?

1221

what is meant by poly phase induction motor ? how its operating by single phase or three phase?

2161

what are the advantages and disadvantages of oil filled cables over XLPE cables

19544

which model T or pie model is prefarable in power syatem

1887

We need to current density & short circuit calculation at 65kA for aluminium & copper busbar.

1750

What are the two major types of control system?

1104

explain me the relation between torque, frequency,speed,voltage and current in the 3 phase induction motor?

2264

What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

1909

why need to be maintain power factor for industrial customer?

5080

how to select the automotive wire size by mathematical calculation. for xenon headlamp with ballast. the ballast given data voltage 10-17v,current permenant 6amp, run up phase is 15amp, peak at swicth on max 400micro sec is 40amp.the sum of cable resistance is 150mohm.please provide referenc document if any for relating the peak at switch on current,time & wire wire size

2381

In what cases (circumstances)we should apply P controller, PD controller, PI controller & PID controller ?

2186