how to reduce humming noise in transformer?

3 Answers  

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why we can use 1 to 5V dc

0 Answers  

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WHERE IS THE LIGHTING ARRESTER SHOULD BE PLACED IN DISTRIBUTION LINES?

26 Answers   APTransco, BARC,

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which type of motor is suitable for water pump?

1 Answers   IIM,

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Which type of losses in transmission Line

2 Answers  

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What is difference b/w Microwave and OPGW ??

1 Answers  

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A transformer is used to light a 24volts,70watts lamp from a 240a.c main.The current in the main cable is 0.35A. Calculate, (1) The efficiency of the transformer. (2) the current in the lamp.

1 Answers  

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What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

0 Answers   Ambuja,

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what things to be considered when designing UPS

0 Answers   Aplab, Veta Kipawa ICT Center,

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Name some application zrea where IDMT relay can used?

3 Answers   SKB,

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can anyone pls expain me about how can we design a cable tray??suppose if have to draw a 3 nos of 50 sqmm AYFY and 2 nos of 35 SQmm of AYFY cable through the tray..how can we design the tray size?? regards...

3 Answers  

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I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?

0 Answers  

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