Paper Information

Journal:   INTERNATIONAL JOURNAL OF ENGINEERING   SEPTEMBER 2003 , Volume 16 , Number 3 (TRANSACTIONS A: BASICS); Page(s) 233 To 246.
 
Paper: 

A NOVEL FUZZY AND ARTIFICIAL NEURAL NETWORK REPRESENTATION OF OVERCURRENT RELAY CHARACTERISTICS

 
 
Author(s):  JANNATIAN M.*, KAREGAR H.K., ASKARIAN ABYANEH H., HEIDARI G., AL DABAGH M.
 
* Tehran, Iran
 
Abstract: 
Accurate models of Overcurrent (OC) with inverse time relay characteristics play an important role for coordination of power system protection schemes. This paper proposes a new method for modeling OC relays curves. The model is based on fuzzy logic and artificial neural networks. The feed forward multilayer perceptron neural network is used to calculate operating times of OC relays for various Time Dial Settings (TDS) or Time Multiplier Settings (TMS). The new model is more accurate than traditional models. The model is validated by comparing the results obtained from the new method with linear and nonlinear Sachdev models as applied for various types of Overcurrent relays.
 
Keyword(s): POWER SYSTEM, PROTECTION SYSTEMS, OVERCURRENT RELAY
 
References: 
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