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Showing posts with label Electrical machine. Show all posts
Showing posts with label Electrical machine. Show all posts
03/04/2021

Class of Insulating Matrials

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In this theory, classification of insulation, its types and maximum allowable temperature limits is given. The temperature rise of the elect...
25/03/2021

Duty Cycle of Motor

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In this theory, the duty cycle of the machines is discussed. The duty cycle of the motor is given from S1 and S8 whether the load varies or ...
24/03/2021

Thermal Equilibrium

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Definition of Thermal Equilibrium According to IEC ( International Electrochemical Commission ), It is a state when the temperature rises ...
05/02/2021

Constant Torque, Constant HP and Variable Torque

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  Constant Torque The constant torque remains constant regardless of operating speed. However, HP of motor varies directly with speed.      ...
08/03/2017

Automatic Star Delta Starter

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Control circuit of automatic star delta starter The working of automatic star delta starter is explained here. The control circuit of the ...

Working of Forward-Reverse Starter

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Forward-Reverse Starter Control circuit In this post, working of forward-reverse Starter Control circuit explained. The forward reverse st...
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Working of Direct ON Line Starter & Control Circuit

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Direct on line starter In this post, the working of direct on line starter is given. It is simplest type of AC starter as it required only...

Semi Automatic Star Delta Starter Control Circuit & Working

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Semi-automatic star delta starter In this post, working of semi-automatic star delta starter is given. It consists of 3 contactors – main ...