Answer / d.rams

Horizontal : Unbalance of machine,machine support
Vertical :Mechanical looseness and imbalance
Axial :Misalignment

sometimes, eventhough the HV side of the transformer is opened there is a voltage in LV side .How is it possible?

4 Answers  

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why we used ZNO in Lightning arrester.

0 Answers  

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Can we use a Potential Transformer for Auxilliary Power supply( Spring charge Motor, Lighting etc)?

1 Answers  

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what happends when an isolater is operated on on-load

1 Answers  

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Frequency in the control system represents? Continuous system in time domain ? In frequency domain?

1 Answers   CCP,

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what happen when ac motor is connected with dc current

4 Answers  

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how can we calculate fault current of a line in a 6 bus syatem if the faulted line is known?

1 Answers  

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what is preventive maintenance? and what is predictive maintenance? and what diffrence both?

3 Answers   Volkswagen,

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function of apfc pannel

3 Answers  

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How do I know if a transformer is saturated? I am doing the simulation of the saturation of a transformer, but what parameter tells me when a transformer is saturated? How do you calculate? is on the plate?, there is a rule that can help me? How could model? I understand the saturation occurs when the flow can no longer bind to the other winding, this is given to certain current, this current is the same that appears as the highest in the bale of features? Thank you for your help Eduardo Alvarez Guatemala

3 Answers  

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What is the kiosk parts, about them and their functions ? If anybody have some PDFs files or details about this plz send it on tawhidfaisal@Yahoo.com

0 Answers  

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Application wise, where we should use AC motors and where we should DC motors?

1 Answers   Nespak,

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