A Novel Detection Method for Diagnosis of Rotor Eccentricity in Three-Phase Induction Motor

2021 ◽  
Author(s):  
Umair Khalique ◽  
Guanghua Xu ◽  
Xining Zhang ◽  
Fei Liu ◽  
Shahzad Ahmad ◽  
...  
Keyword(s):  
Induction Motor ◽  
Detection Method ◽  
Rotor Eccentricity ◽  
Three Phase

Advance Protection for Three Phase Induction Motor using Microcontroller Atmega32

2018 ◽  
Vol 8 (1) ◽  
pp. 172
Author(s):  
Karan S Belsare ◽  
Gajanan D Patil
Keyword(s):  
Induction Motor ◽  
Low Cost ◽  
Short Circuit ◽  
Cost Factor ◽  
Protection Scheme ◽  
Three Phase ◽  
The Cost

A low cost and reliable protection scheme has been designed for a three phase induction motor against unbalance voltages, under voltage, over voltage, short circuit and overheating protection. Taking the cost factor into consideration the design has been proposed using microcontroller Atmega32, MOSFETs, relays, small CTs and PTs. However the sensitivity of the protection scheme has been not compromised. The design has been tested online in the laboratory for small motors and the same can be implemented for larger motors by replacing the i-v converters and relays of suitable ratings.

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