Research Article

Modeling Electromechanical Overcurrent Relays Using Singular Value Decomposition

Table 5

The curve-fitting errors of 17 actual operating times for each TDS of the CO-8 relay in milliseconds.

TDS0.5369

TopSVDErrTopSVDErrTopSVDErrTopSVDErr

1.51682.21682.10.1115254.015254.00.1031907.031907.00.2650681.050681.00.16
2760.5764.23.696182.16182.60.4913232.013232.00.2121256.021257.01.11
3343.9343.60.252577.62581.63.985334.05337.13.108449.48450.20.78
4213.7214.30.601578.51578.00.443341.93339.42.515222.65218.73.92
6128.1127.60.551004.01002.71.242062.62060.32.323221.33218.33.02
899.799.70.01821.3820.21.121618.91618.40.442542.72540.02.66
1086.186.30.19711.7712.91.131407.31409.42.162210.12211.91.79
1375.875.70.04618.3617.90.421244.01243.50.561944.81944.70.10
1670.170.00.10563.1563.10.011145.01145.30.301783.31783.90.62
1966.566.60.13526.5527.10.561078.31078.60.281672.81672.70.06
2264.764.60.07501.4501.20.121030.01029.90.061589.81589.90.13
2662.962.90.01476.0476.20.23982.0982.00.021506.41506.50.02
3061.461.40.00458.5458.10.47946.5946.10.361442.91442.60.33
3460.160.40.35443.7444.20.45917.4917.80.381390.51391.40.93
3959.659.60.02430.7430.60.19889.1889.10.021339.71339.50.14
4459.058.90.09419.3419.50.20865.5865.50.031297.01296.70.27
4958.658.70.12409.8409.90.11845.0845.10.141260.11259.90.15


Please refer to Table 2 for the meanings of the terms.