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in house wiring when two wires are same colour coding and there is no any connection one end how to find which wire is earthing wire
1 4878I have 150/1A Rating CT Suppose if i inject 15A in CT " Secondary" means what will happen ??????
1 2379I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?
1963why should the lowest unit of a testing transformer ( cascaded transformer ) have higher power rating??
TCS,
22611.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?
L&T,
2111what the reson to use phase shift( angle) like (dyn11,Dd5 or Dy0)are usedin power and transsmison line
1 4853Post New Electrical Engineering Questions
what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.
How to protect a Dosing pumps/any sensitive equipment (single phase) from surge protection inside a food factory.
1. for eg, capacitor is used for many purposes(it act as filter, oscillator, bypass capacitor, memory storage etc...) 2. Please tell me some example circuits for different uses of capacitor( whenever and whereever and however we used capacitor as a filter, oscillator tuning etc..) 3. similarly for inductor and resistors(it act as what?) and when and how we want to act as like that?, and how we can used these components depends upon our requirments with example circuits and explanation? design to act as these components depends
how many joints are allowed in underground HT cable of 1 KM
5- What is the task (function) of the excitation and isolation transformers in power plant? 6- What is the task (function) of LCI (A), LCI (B) and LCI (COS) in power plant? : LCI (A) and LCI(B) are load commutating inverter for generator turbine starting. , LCI (COS) is load commutating inverter change over switch
State magnitude criterion.
what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV
plz send me HPCL apptitude paper.. maulik_elect@yahoo.co.in
sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.
What are the internal and external faults?
Installation method of self treated earth electrode.
What is cable tray, its type, and its support?
Difference between low impedance and high impedance Restricted Earth Fault
Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.
in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.
