Entec EVRC2A-N6-NT - Page 192

RECLOSER CONTROL EVRC2A-N6,NT http://www.entecene.co.kr
182
ENHANCED TECHNOLOGY
Standard Curve Coefficients
Table 7-3. ANSI/IEEE
Curves
α β γ
Rt
Moderately Inverse 0.0107 0.020 0.0231 1.0700
Normally Inverse 5.9500 2.000 0.18 5.9500
Very Inverse 3.985 2.000 0.095 3.985
Extremely Inverse 5.9100 2.000 0.0345 5.9100
Short Time Inverse 3.56e-3 0.02 1.95e-2 0.356
Short Time Very Inverse 1.9925 2.000 0.0475 1.992
Table 7-4. IEC
Curves
α β γ
Rt
Standard Inverse 0.1400 0.0200 0.0 9.700
Very Inverse 13.500 1.000 0.0 13.500
Extremely Inverse 80.000 2.000 0.0 80.000
Long Time Inverse 135.000 1.000 0.0 135.00
Short Time Inverse 0.0500 0.0400 0.0 0.500
Table 7-5. ESB
Curves
α β γ
Rt
Standard Inverse 0.011 0.02 0.042 9.000
Very Inverse 3.985 1.95 0.1084 3.985
Long Time Very Inverse 15.94 1.95 0.4336 15.94
Table 7-6. User Defined
Curves
α β γ
Rt
User1 59.5000 2.0000 1.8000 59.5000
User2 39.8500 2.0000 0.9500 39.8500
User3 59.1000 2.0000 0.3450 59.1000
User4 5.6700 2.0000 0.0352 5.6700