Answer / nikhilesh

we can't use it beacuse rccb is residual current circuit
breaker. it is used for house wiring ckt.still wee used it
will not trip

Answer / k.prakashchandra

You can use 3 phase 3 wire/ 1 phase 2W RCCB

why power factor is only cosine angle not sine angle?

2 Answers  

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where can i get vijaya electricals limited in hyderabad interview auestions can u give me the website address plz

0 Answers  

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If the Brush of DC motor is shifted by 90 deg, then what happens to voltage and torque? Both voltage and torque are zero. how to justify the answer?

0 Answers  

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at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

0 Answers  

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why select the 3 phase power supply system in electrical system.

3 Answers   RSE, Yamaha,

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How to run 1ph motor(230 VOLTS its full load amps is 4.5 ampa))with 480 volts main(we didn hav neutral)Thn we go for step down transformer.Our load 10 amps,so we conisder this amps in primary are secondary side

1 Answers  

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what will happen if dc motor given ac supply

11 Answers   Mahaveer,

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What is the permissible value of earth resistance and as per which standard / act / rule ?

3 Answers   HBL Power Systems,

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is there any difference in reading or error in value, if we connect the R phase in Y terminal and Y phase in R terminal of electronic energy meter of 11 kv feerders???

1 Answers   KSEB,

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being an electrical engineer why you wanna come into software i have an very good academics what answer i have to give

0 Answers  

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HOW DOES ONE SELECT A TRANSFORMER PHASOR GROUP IE, WHETHER A STAR-DELTA TR OR A STAR-STAR OR A DELTA-DELTA, ETC. TRANSFORMER IS MORE SUITABLE FOR A PARTICULAR KIND OF LOAD OR WORKING CONDITION???

3 Answers   KPTCL,

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My requirement is 1VA,50/5A Current Transformer for Metering .If I select 15VA , 50/5A CT.Is there any possibility of Technical Problem ?

6 Answers  

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