Answer / niranajn

Due to the presence of harmonics as the magnetising current
is especially rich in third harmonics

Answer / abhishek

no load current is magnetizing current, and therefore will
be non-sinusoidal due to the hysteresis of the magnetizing
force in the core.

What happen if field ckt is open when a sailent pole alternator connected to infinite bus

3 Answers   Bhel, Nilkamal,

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For a Potential Transformer(PT), the primary neutral terminal must be grounded before energization. Why....? What will be heppend if we energize the PT without grounded the primary neutral point? Why..........?

2 Answers  

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What is the end effect of linear induction motor ??

0 Answers  

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how balanced in star delta connection ?

0 Answers  

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give me atleast four differences between circuit and network

0 Answers  

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1.ZEBRA conductor(large size) 2.KUNDHA conductor( small size ) 3.panther conductor(very small ) 4.lepard conductor (very very small)

0 Answers  

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What is the basic principle of operation of alternators/dc generators?

0 Answers  

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WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

0 Answers   UltraTech,

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What are the two types of transistor and how they are made?

2 Answers  

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What is polarisation index value?.(pi value) Simple & brief definition of polarisation index?..

7 Answers  

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What is gross error?

0 Answers  

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what is KSR type transmission tower? What is LSR type transmission tower?

0 Answers   Ford,

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