Combined DFT and Fuzzy Based Faulty Phase Selection and Classification in a Series Compensated Transmission Line

Table 14

Comparisons with other schemes.

Parameter	Proposed algorithm	Reference [7]	Reference [8]	Reference [10]	Reference [13]
Time to classify fault	Half or less than one cycle	Half cycle	Half cycle	Not reported	Not reported
Input signals used	3-phase single-ended voltage and current	3-phase current samples	3-phase current samples	3-phase voltage and current	3-phase current samples
Algorithm used	Combined DFT and fuzzy logic	Integrated moving sum approach	Wavelet transform and ChNN	Wavelet transform and fuzzy nuerosystem	Support vector machine
Number of test cases	129600	Not mentioned	54000	23436	25200
Fault resistance	0.001 Ω–100 Ω	10 Ω, 50 Ω, and 150 Ω	0 Ω, 5 Ω, 25 Ω, and 50 Ω	0.1 Ω, 5 Ω, 25 Ω, and 50 Ω	0 Ω, 5 Ω, 25 Ω, and 50 Ω
Fault inception	0°–360°	54° and 90°	0°, 45°, 80°, and 115°	0°, 45°, and 90°	0°, 45°, and 115°
Evolving fault considered	Yes	Not reported	Not reported	Not reported	Not reported
Compensation level	10–65%	70%	25, 50, and 75%	20, 40 and 60%	25, 50 and 75%
Change in frequency	58 Hz–62 Hz	Not reported	Not reported	Not reported	Not reported
Heavy load interconnection	Yes	Not reported	Not reported	Not reported	Not reported