In India,we use 230V,50HZ,where as many other countries use 110V,60HZ what r d advantages and disadvantages of each of them?
How do you select a cable size(cu&Al)for a particular load?2 5638
The readings with a Multi meter are 15 Amps Phase Neutral 192,Phase Earth 194 and Neutral Earth 24 5 Amps Phase neutral 192, Phase Earth 153, neutral Earth 481 1708
The reason why the sending end and receiving end voltage sare almost equal when capacitive load is added.4 7099
WHAT IS NORMAL VECTOR GROUP USED FOR DESIGNING OF TRANSFORMERS??11 14703
can we connect transformer with star conected secondary to delta connected primary in series?1 2290
why mccb is not tripping when phase & neutral terminal are interched ?4 7010
What are the applications of different multistage amplifiers?Plz also write advantages of these amplifiers? Thaaaaaaaaanx1664
plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on firstname.lastname@example.org
for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain4 11003
What is STEP VOLTAGE ?7 15161
How can we measure the frequency of a rotor running in full load condition? Explain the method of measuring.2 3731
how can you calculate the value of external resistance inserted in a slipring industion motor? (eg. 110 kw / 990 rpm/50Hz/stator v-415/stator Amp-195/Rotor V-440/Rotor amps- 151.)5 38452
describe the fully control circuit diagram of ac drives
what is the significance of tan&delta and how it performed in power transformer
ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.
1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?
How we calculate the size of ht cable for any transformer
How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.
What happen if we apply square wave or traiangular waveform voltage to the transformer primary winding instead of sinusoidal wave?
ACB & VCB how do work and saftes and how can maintenance in this and parts name show with picture
Testing procedure of DG alternator stability test
Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.
What is super thermal power plant? and how it will differ from normal thermal power plant
what is meant by impedance & transient protection?
12.5 tons a/c is their how much kva generator can recommend to the customer.
how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw