working principle of AC Servo Motor with its construction

8884

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what is the difference between droop mode and ischnorous mode in thermal powerplant?

2664

---

how test transfomer(3 phase75kva) by megger

2122

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please tell me how a surge protector work on a DC 48Volt.? please describe briefly.

1847

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WHAT IS THE USE OF PIG TAIL IN WINDOW CT ?

2538

---

wat system call?

1976

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how can motor both beasrings insulation resistance can be check?

2030

---

How to know Resistance and Reactance value of main and aux winding of single phase capacitor start capacitor run induction motor to find capacitor value?

2044

---

EHV current carrying parts need to have smooth finish,then how can a 245kv GIS with emery finish can run so long?

1897

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what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2503

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what kelvin's law ?

2120

---

what is difference between isolation and ultra isolation transformer?, what is the method of testing ?

4335

---

mccb service sittings be done?

1962

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hi pal, i am vengatesh from tamilnadu(chidambaram),i have called for the written test for the post of jr executive(ELECTRICAL) of AAI ,I dont know about the question paper pattern,so any kindly help me to face the examination,post me the model question papers and some tips to write my examination to (vengi.annadurai@gmail.com)

1891

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WHAT IS SITTING AMPS IN OVER-LOAD RELAY FOR 1PH OR 3PH MOTORS?IF ITS NAME PLATE GIVEN MAX AMPS 10AMPS?

1760

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