Why machines are avoided to work is saturation region of B- H curve?

3 Answers  

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How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.

0 Answers  

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draw singleline diagram of star to delta and dol starters

0 Answers   JCP,

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what is the difference betn earthed and unearthed cables which is commanly used why?

2 Answers   Bhel, Power Grid,

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as ac supply is given 2 the transformer why it doesnot depends upon powerfactor????

2 Answers  

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what is H.T?specify the range?

6 Answers  

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What happen if the 24 volt DC supply is disconnected from air circuit breake ?

2 Answers  

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prove that inegration of { e^z / z^2 + pi^2 }dz is equal to i/pi by Cauchy Residue Theorem.

1 Answers  

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In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

0 Answers  

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testing ZNYn11(d) vector group transformer

1 Answers  

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How much resistance between neutral earthing and body earthing of Power transformer?

1 Answers  

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Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?

0 Answers  

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