Creative Distribution Automation Co. Ltd. FI-3A2W 사용자 설명서
2
1 General Information
FI-3A2W Fault Indicator are used under 35KV Distribution System to faster locate
the fault in distribution systems by flashing to indicate the path of fault current, help the
crews to trace the path of fault current and to locate the fault more efficiently, greatly
reduce the time and cost of fault location, and enhance the reliability of power supply.
2 Pinciple
The fault indicator detects and identifies fault current with induced coil and logical
identification circuit.Once the indicator is triggered it will begin to flash which indicates
the location of the fault,at the same time, it will transmit the fault information to the
Sub-transmitter which is installed nearby. The Sub-transmitter is about 30 meter far from
the fault indicator.
FI:Fault Indicator
ST: Sub-transmitter
CS:Center Station
MS:Monitor Control Station
3 Operation
FI-3A2W operation process with Installation and Removal.
3.1 Installation
FI-3A2W the initial state as pic-A. Pull open the split coil CT using both hand carefully