Research Article
Modeling Electromechanical Overcurrent Relays Using Singular Value Decomposition
Table 8
Comparison of results by ANFIS and SVD for the CRP9 relay.
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M: multiples of tap value current; TDS: time dial setting; top: actual operating time in milliseconds; ANFIS: fitted value by adaptive network and fuzzy inference system; Err1: absolute value of difference between top and ANFIS value; Err1%: absolute value of difference between top and ANFIS in percentage; SVD: fitted value by singular value decomposition; Err: absolute value of difference between top and SVD value; Err%: absolute value of difference between top and SVD value in percentage; AV: average of absolute values of errors in milliseconds; AV%: average of absolute values of percentage errors; ★refer to [9]. |