scholarly journals Study on characteristics and calculation method of VSC-HVDCshort circuit current under three-phase AC short circuit

2020 ◽  
Vol 446 ◽  
pp. 042079
Author(s):  
Qidi Huo ◽  
Qingmei Su ◽  
Xiaojun Tang ◽  
Yingquan Lu ◽  
Ting Huang ◽  
...  
Keyword(s):  
Calculation Method ◽  
Short Circuit ◽  
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.

A calculation method of field current of synchronous machines at sudden short-circuit

2005 ◽  
Vol 151 (3) ◽  
pp. 61-70 ◽  
Author(s):  
Takashi Kano ◽  
Shu Yamamoto ◽  
Takahiro Ara
Keyword(s):  
Calculation Method ◽  
Short Circuit ◽  
Synchronous Machines
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