please let me know , we have installed two separate motor for fire fighting system 1) 60 hp and 2) 15 hp the load is 74 AMPS and 20 AMPS then tell me the main power cable in Aluminum will be what thickness , the length is 225 mt from the main utility to fire pump house

1 Answers  

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How to connect surge arrester with equipment?

1 Answers   Godrej,

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why we use 50hz frequency in india why not other frequencies like 52,59,42 etc

5 Answers   INTC,

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what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 Answers  

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how the specific fuel consumption of 320 kva deisel genarator set (explain with formulas please)?

2 Answers   RRB,

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What is the safety protection? Name the protections of Transformer?

1 Answers   HSL,

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If a contactor need to replace with faulty one. what I want to check?

2 Answers   Bhel,

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technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

0 Answers   Wipro,

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how make to Incident and accident report

1 Answers  

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we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

0 Answers  

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12.5 KVAR capacitor 440V gas filled, Its used for windmill purpose, How can i know about microfarad value for this capacitor

2 Answers  

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what is transient voltage?

0 Answers  

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