| 摘要 |
A method, device, and system for mitigating the effect of a power spike on a protective device. The device can receive an input signal and determine whether the input signal exceeds a threshold value. If so, the device simultaneously starts an initial time period and starts a latch time period, where the latch time period is greater than the initial time period. During the initial time period, the device replaces the input signal with a set value signal. After the initial time period ends and during the remainder of the latch time period, the device prevents the input signal from being replaced by the set value signal. If, during the remainder of the latch time period, the input signal exceeds the threshold value, a trip signal may be generated by a protective device. |
| 主权项 |
1. A method for mitigating the effect of a power spike on a protective device, the method comprising:
receiving an input signal; determining that the input signal exceeds a threshold value; upon determining that the input signal exceeds the threshold value:
starting an initial time period; andstarting a latch time period, wherein the latch time period is greater than the initial time period; replacing the input signal with a set value signal for the initial time period, wherein the set value signal has a value that is less than the threshold value; and preventing, when the initial time period ends and during a remainder of the latch time period, further replacement of the input signal with the set value signal. |
