WHY SECONDARY OF CT SHOULD NEVER BE KEPT OPEN CIRCUITED?

7 Answers  

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How can we calculate strength of copper hich is supplying electric power to heater and in it hold the heater also and what r all types of forces which is acting on it...

0 Answers   ABB,

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What is fault clearing time for Current Limiting Moulded Case Circuit Breaker?.

0 Answers   DAE, Hindalco,

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After fault clearing in Tr line, whether the Metering core of CT is comes to normal condition from saturation region & its works as a normal condition?

1 Answers  

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How much of the total hydro power potential has been exploited so far in india?

0 Answers  

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10Hp, 3-phase, 415v, 50Hz induction motor. The above motor is to run on Star-Delta connection, so how do i make following hardware selection 1) MCB, 2) Contactor, 3) Wire Gage (Depending on P-P current or Line Current), 4) OLR, Please tell in detail how to do the above, so as to get the ans. of it even if the Hp rating changes.

1 Answers   Engro,

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How we can change the direction of rotation of Induction motor? Prove it using graphical methods.

2 Answers  

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What are the methods used to improve powerfactor ?

6 Answers  

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is there any lightning by passer is arranged in ship like buildings?

0 Answers  

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We have laid the single core Armoured cable 7 nos ( 2 each phase & 1 neutral ) to cater our electrical load . the issue is though we have Glanded the cable both the end also givan the earthing to the panel both the end we are facing a heavy sparking at the gland side. what could be the reason.

12 Answers  

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how we arrange the hv side with delta connection in case 33/11kv of transformer.

0 Answers   Jindal,

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wat is the criteria we use the diff. relay ?

2 Answers  

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