Feature of Feeder Remote Terminal Unit Recloser Controller
- IEC, ANSI/IEEE overcurrent curves, traditional Recloser curves, customized curves
- Sensitive earth fault, broken conductor, intermittent fault protection
- Fault location with distance, fault type, fault resistance
- 4-quadrant power and energy metering, power quality monitoring
- Demand/load profile, event recording and fault waveform recording with COMTRADE format
- Graphical programmable logic (IEC61113-3) with EasyLogic software
- Various communication protocol: DNP3.0, DNP3.0 over TCP/IP, IEC60870-5-101/104, IEC61850
- Backup battery charger & test function
- Type tested in accordance with IEC61000-4, IEC60255, ANSI/IEEE C37.90
Applications of Feeder Remote Terminal Unit Recloser Controller
- Single-phase and three-phase tripping and reclosing
- Fast islanding detection for DER interconnections
- Load shedding
- High-impedance fault detection
- Communications-assisted protection schemes
- Automated loop restoration
Technical Data of Feeder Remote Terminal Unit Recloser Controller
- Protection
- Phase/Earth/Negative Over Current , 2nd Harmonic Restraint, Trip & Reclosing, Sensitive Earth Fault (SEF), Intermittent Earth Fault(IEF), Broken Conductor, Open Line Detection, Directional Tripping/Blocking, Under Voltage, Over Voltage/Ground Over Voltage, Under Frequency, Over Frequency, Synchronism Check, Hot Line Fault Detection, Loop Automation Scheme, Fault Location, Sectionalizer, 4 Setting GroupsMetering
Current, Voltage, Power, Power Factor, Frequency, Energy, Harmonics, Demand, Internal Temperature
Status Monitoring
10 Contact Inputs*, Power Supply Status (External Power, Battery Low And Fail, Charger Fail), Interrupter Duty Monitor, Analog Alarm, 24 LEDs For Function Indicators*
Control
Switch Control: SBO (Select Before Operate – OPEN/CLOSE), Password Protection, Local / Remote, Hot Line Tag
4 Contact Relay Outputs*, 2 High-speed Outputs, Reset Annunciator, Battery Test,
Protection Function Blocking: Reclosing, Protection(all), Earth Protection(Earth and SEF)*, 12 Programmable Buttons*Recording
Event recording with 1ms time-stamp:
I/O changed events (1023), Functional operating events (20,000)*, System related events (255), Communication events (255), Fault current (1,023), PQM events (255), Demand profile: current, voltage and power (6,143) Daily maximum current, voltage and power (1,023), Energy & Peak Demand Profile (63)Waveform Recording:
8 Fault waveforms, 6 PQM waveforms, 1 Manual trigger waveform, 128 samples/cycle, 40 cycles, Saving COMTRADE File formatPower Quality Monitoring
Voltage Unbalance*, Current Unbalance*, Sag, Swell, Voltage THD Alarm, Current THD Alarm, Interruption
Communication
USB or RS232C(Maintenance Port), RS232C(Modem Control Supports), RS232C/485, Ethernet Port 10/100 Base-T, Fiber Optic*, PRP/HSR scheme (Parallel Redundancy Protocol)/(High Availability Seamless Redundancy)*