how fan speed decrease or increase by using regulator? thank you

3 Answers  

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what is the principal of transformer?

2 Answers  

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What is Lockout Relay and what is use of it in electrical installation

1 Answers  

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IF I USED VVVF DRIVE IN FAN APPLICATION MOTOR IN 6.6 KV ( 700 KW) MOTOR & DURING NORMAL RUN OPERATION TIME IF RPM SUDDENLY REDUCE IN MOTOR BY DRIVE(E. MOTOR RPM REDUCE SUDENLY 687 TO 550 RPM) WAHT WILL BE HAPPEND IN DRIVE

1 Answers  

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What is Hot reserves and spinning reserves?

1 Answers  

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circuit breaker work alone during fault condition or need any relays ?

4 Answers  

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what is the use of Antipumping in HT breakers.

9 Answers  

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what is the difference b/w winding insulation class and winding temperature class?

6 Answers   Bhel, NDPL, NTPC,

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what the purpose of data retrivala panel in substation

1 Answers   NCC,

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HOW CIRCUIT BREAKER RATING CALCULATED?WHAT ARE THE PARAMETERS CONSIDERED?

5 Answers  

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state basic meaning of 'INDUSTIAL AUTOMATION'?

0 Answers  

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can we run a motor rated 50Hz,415vac,1440RPM At higher speed then rated on name plate with the help of VFD /drive on long term basis.wheater it will effect the motor life

3 Answers  

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