A New Approach to Fault Diagnosis of Power Systems Using Fuzzy Reasoning Spiking Neural P Systems

Table 1

Operation statistics of main protections of China state grid in 220 kV and above power systems from 2004 to 2009.

Year	2004	2005	2006	2007	2008	2009	Average
Line
Total faults	29411	29291	26047	24685	36865	12347	26441
Correct diagnosed faults	29181	29234	26030	24666	36855	12345	26385.17
Diagnostic accuracy/%	99.22	99.81	99.93	99.92	99.97	99.98	99.79
Bus
Total faults	90	120	112	122	159	89	115.33
Correct diagnosed faults	77	114	102	118	156	88	109.17
Diagnostic accuracy/%	85.56	95.00	91.07	96.72	98.11	98.88	94.65