Answer / b.dhanasekaran

MCB-Miniature circuit Breaker - breaking capacity 10KA -use
in lighting loads,
MCCB- Moulded Case circuit breaker-Available 100,125 KA and
use in industrial loads,

what is the operation of UPS ? can any one answer me?

7 Answers  

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WHY IN WESTERN COUNTRIES THE ELECTRIC SHOCK IS VERY SLOW AS COMPARE TO INDIA.&IF ANY ONE HAVE CORRECT KNOWLEDGE THEN SEND OTHERWISE NOT

1 Answers  

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The temperature rise in the sys, which leads to ….. a) Increases stress& length b) increases stress but decreases length c) Decreases stress & increase length d) decrease stress & length

1 Answers   Engineers India Limited,

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I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

0 Answers  

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Define corner frequency?

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What is the difference between induction motor and the Synchronized one?

4 Answers   Foxconn, Sabic,

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My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?

0 Answers  

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Why are iron cores in transformers made laminated?

0 Answers  

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IN THE CASE OF AN ELCB, IF THERE IS ANY UNSTABILITY BETWEEN PHASE AND NEUTRAL IT MAY TRIP. BUT MY QUESTION IS WHEN A LOAD IS CONNECTED IN BETWEEN P AND N, THE LOAD CONSUMES SOME POWER AND THERE IS A DIFFERENCE IN NEUTRAL WITH RESPECT TO THE PHASE. THUS ACCORDING TO ME, THE ELCB WILL AUTOMATICALLY OPERATES WHEN EVER THE LOAD CONSUMES-- I KNOW IT IS WRONG. BUT THE SOLUTION IS?????????

1 Answers   KSEB,

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why v/f ratio to maintain constant in speed control of induction motor?

3 Answers  

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how we can calculate 2 phase welding transformer rating or total power?

0 Answers  

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How a band pass filter is constructed?

0 Answers  

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