Temperature and electromagnetic force analysis of GIB plug-in connector with different contact status under short circuit fault

2016 ◽  
Author(s):  
Xiangyu Guan ◽  
Naiqiu Shu ◽  
Xiao Jin ◽  
Yuanchao Wu ◽  
Hui Peng
Keyword(s):  
Electromagnetic Force ◽  
Short Circuit ◽  
Force Analysis ◽  
Short Circuit Fault

Impact of Rotor Inter-Turn Short-Circuit on Generator Rotor Force

2011 ◽  
Vol 143-144 ◽  
pp. 125-131 ◽  
Author(s):  
Yong Gang Li ◽  
Guo Wei Zhou ◽  
Yu Ca Wu ◽  
He Ming Li
Keyword(s):  
Magnetic Field ◽  
Electromagnetic Force ◽  
Short Circuit ◽  
Total Force ◽  
Distribution Law ◽  
Generator Rotor ◽  
Finite Element Software ◽  
Full Force ◽  
Rotor Winding ◽  
Short Circuit Fault

This paper analyzes the calculation method of unbalanced electromagnetic force by rotor winding inter-turn short-circuit fault, analytical calculating method neglects saturation, cogging and other factors, so the calculation accuracy is not high, in order to accurately calculate the magnetic field and the unbalanced electromagnetic force, this paper propose to analyze generator magnetic field by a finite element software Ansys, the obtained magnetic field data are further used to analyze the distributed electromagnetic force and the total force that generator rotor suffered, electromagnetic force distribution law of different slots, different levels of inter-turn short-circuit are got, which provide a basis for further studying the full force on generator rotor.

Study on Unbalanced Electromagnetic Force of Turbine-Generator Inter Turn Short Circuit and its Relevant Fault

2013 ◽  
Vol 427-429 ◽  
pp. 230-234
Author(s):  
Wen Jing Zhang ◽  
Yong Gang Li ◽  
Yu Ca Wu
Keyword(s):  
Finite Element ◽  
Fault Diagnosis ◽  
Electromagnetic Force ◽  
Short Circuit ◽  
Turbine Generator ◽  
Element Simulation ◽  
Rotor Winding ◽  
Relationship Of ◽  
Short Circuit Fault ◽  
The Relationship

Inter turn short circuit fault is very common for turbine-generator, which will produce unbalanced electromagnetic force (UEMF) together with its relevant fault, namely dynamic eccentric, on the rotor. After complete finite element simulation by ANSYS, The relationship of rotor winding short positions and short degrees with UEMF were studied. And then, only the dynamic eccentric fault occurs, the relations of dynamic eccentric angles and dynamic eccentric degrees with UEMF were discussed as well. Whats more, by comprehensive consideration of the two faults, the characteristic of the force and its change law were researched. This paper provides a viable path to study the vibration law and fault diagnosis of turbine-generator in multi-source stress.

Recognition of Failed Wires during a Short-Circuit Fault in a Multiwire Network

2019 ◽  
Vol 9 ◽  
pp. 22-29
Author(s):  
Yury Ya. LYAMETS ◽  
◽  
Mikhail V. MARTYNOV ◽  
Alexander N. MASLOV ◽  
◽  
...  
Keyword(s):  
Short Circuit ◽  
Short Circuit Fault

Short-Circuit Fault Location Interval Recognition Criteria in Electrical System

2019 ◽  
Vol 11 ◽  
pp. 33-39
Author(s):  
Yury Ya. LYAMETS ◽  
◽  
Mikhail V. MARTYNOV ◽  
Alexander N. MASLOV ◽  
◽  
...  
Keyword(s):  
Fault Location ◽  
Short Circuit ◽  
Electrical System ◽  
Short Circuit Fault
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