LSIS GIPAM 2000 - Page 52

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- 10 Thermal Curve (HOT)
10 Thermal Curve (HOT )10 Thermal Curve (HOT )
10 Thermal Curve (HOT )
※ Ip : current before relay trip. Ib : rating current. K : positive number of over current
I : relay trip current.
τ
: thermal number
4. Ch
4. Ch4. Ch
4. Characteristic Curve
aracteristic Curvearacteristic Curve
aracteristic Curve