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Protection and Control of Modern Power Systems

Table 4 SDI values during different loading angle

From: A cumulative standard deviation sum based method for high resistance fault identification and classification in power transmission lines

δ°

SDIA

SDIB

SDIC

SDI0

5°

0

196.6244

157.7100

269.1896

15°

0

200.3901

162.6644

270.2802

30°

0

83.4710

79.0681

143.6019

−15°

0

81.9912

77.6148

140.0430

−30°

0

76.6010

72.9054

130.6685

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