What is the difference when selecting a cable between AC
and DC current?
Answer Posted / koti
1. for both Rated current is RMS only.
2. fault current capacity of AC is higher than DC
3. Voltage drop is more in AC than DC due to Skin effect and
Impedance
| Is This Answer Correct ? | 2 Yes | 4 No |
Post New Answer View All Answers
What test must you do before powering up a circuit that you have been working on?
how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?
Why the cores of large transformers build up of circular cross section?
What is meant by coupling capacitor?
I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME
why normally Generator rating are between 11Kv to 22Kv?
Explain about how is it working Earth fault'relay and wahts the resistance value of earth bed
A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.
How to calculate cable size by using load.?? Any formula...
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)
To make a basic instrumentation amplifier, it takes A One op-amp with a certain feedback arrangement B Two op-amp and seven resistors C Three op-amps and seven capacitors D Three op-amps and seven resistors
can you please send me the technical questions and aptitude questions of honeywell and jindal steel electrical engg. question paper my e-mail ID is(kkesavanraj@gmail.com)
how to select electronic timer(Star-Delta) setting for diff. rating motors
If I bring a basic electric meter from the States and hook it up in Costa Rica in a development that has only one transformer for the 50 homes, will it still be accurate regarding the usage of kilowatt hours?
what are the range of memory address in plc for L&T lx7 4A