Basler Electric BE1-11t - Manual (Page 509)

9424200995 Rev H 497
Overvoltage (59) Inverse Time Curve
The overvoltage inverse time curve is defined by Equation 34 and shown in Figure 305.
𝑇
𝑇
=
𝐷
�𝑉 𝑚
𝑉
𝑝𝑢
− 1�
Equation 34. Overvoltage (59) Inverse Time Curve Definition
where:
T
T
= Time to Trip
D = Time Dial
V
m
= Measured Voltage
V
pu
= Voltage Pickup Setting
BE1-11t Time Curve Characteristics