Click image to view full size image
Fault Indicator
Application
The KFI series fault indicators are mounted on overhead line toindicate single phase earthing fault or short-circuit fault. Incase of the single phase earthing fault or short-circuit faultoccur, the indicator near the fault will show red and the light ofit will flick to give the alarm.
With the help of on line monitor system, the fault signal willbe transmitted to the control center. The software in the centerwill analyse the fault and then indicate the position and time ofit.
In case of instant fault, the indicator will reset in 8 or12hours (can be set according to customer’s requirements) and redalarm will disappear automatically. If it is a permanent fault, thealarm will
not disappear until the fault to be cleared
Item | Unit | Value |
RatedVoltage | kV | 6-35 |
AppliedConductor Sectional Area | mm2 | 25~300 |
Workingcondition | Linecurrent over 2A | |
AmbientTemperature | °C | -40~70 |
ResetTime | The normal reset time is 8 hours, but can meet customer’sspecial requirement by setting prior to leavingfactory. The accuracy of Fault Indicator :the accuracy is 100%when the overpass resistance is less than 1200Ω | |
Thefault transferring method | GPRS orCDMA | |
Designed Service Life | 8years | |
Earthing Fault Detector
Earthing Fault Detector
