Motor protection relay setting calculation pdf

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RPM 750, power factor 0. 8 and overload relay of starter is put before motor. How to determine motor torque and speed requirements? Jignesh Parmar has completed M. He is Presently associate with one of the leading business group as a Deputy Manager at Ahmedabad,India.

He is Freelancer Programmer of Advance Excel and design useful Excel base Electrical Programs as per IS, NEC, IEC,IEEE codes. He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. Knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics. I have an EC-DC motor of 0. I want to command the motor from a PLC output 24 AC and i want to control the speed of the motor with 0-10 vdc. Could you please guide me for selection of control relay for starting the motor. The motor data is 230 VAC 50Hz single phase.

Also can i use control relay for commanding the motor On and Off. The page before was better because it allowed copying or downloading what I published in PDF now and only lets print it bad that bad serivicio. Just drop an URL od article and everything is the very same. OSX and print by choosing it.

Where can I find the required magnetic contactor size for a motor given the motor current or HP? We are going to manu. 2HP single phase monoset pump for agriculture purpose. I have a question for you. Pls I want to know why you chose motor starting torque to be 3x full load current. Please support me to select fuse size for 3 phase motor with LRA 11.

3A and how to calculat it? Why it will not blow? How will you calculate the contactor, circuit breaker, thermal overload and size of power cable and control cable for DOL starter when u are give a 3KW induction motor. Why the power factor is not included in the calculation although it has been give in the details? Click here to cancel reply.

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