Infrared Technology-Based Sensor Data Analysis for Thermal Fault Identification of Electrical Equipment in Intelligent Substations

Table 2

Time-domain characteristic calculation results of thermal fault identification.

Time domain characteristic parameters	Thermal fault 1	Thermal fault 2	Thermal fault 3	Average value
Kurtosis	0.781	0.657	0.695	0.711
Variance	0.802	0.788	0.813	0.801
Phase lead	0.286	0.298	0.277	0.287
Frequency mean	0.218	0.265	0.222	0.235
Root mean square value of amplitude	0.013	0.022	0.022	0.019