Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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In HVDC LINE RECTIFIER CONTROL ON CONSTANT CURRENT AND INVERTER CONTROL CONSTANT EXITATION ANGLE CONTROL BUT HOW INVERTER CONTROL CONSTANT CURRENT?

0 Answers  

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What is the main application of DUMMY COIL in machines?

3 Answers   IES,

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Why 268hp induction motor taking different current in three different phases? (In which two phase having same current and one having higher value compare to other 2 phases.)

1 Answers  

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how does we calculate the capacity of battery

1 Answers   MTS,

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what is the preventing maintenance of transformer

1 Answers  

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I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com

0 Answers   Avalon, KK Capital,

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what is harmonics? what are the factors it will depend upon

0 Answers   KSEB,

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We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

0 Answers  

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what is the difference b/w circuit breakers and relays?

3 Answers  

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are induction motor have poles? yes / no , why?

3 Answers  

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Why iron core transformers not used in high frequency applications ?

3 Answers  

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