• Overhead Line Fault indicator1
  • Overhead Line Fault indicator2
  • Overhead Line Fault indicator3
  • Overhead Line Fault indicator4
JYZ-HW V2.0 Remote Overhead Line Fault Indicator
JYZ-HW Overhead Line Remote Fault Indicators is usually used in 5~38KV (can be customized by 44KV, 69KV and 110KV ) overhead line power distribution network to monitor and detect short- circuit and earth fault. The fault signal is indicated by three ultra-bright blinking LEDs with 360º sight. The fault information and current value can also be uploaded to the SCADA by 2.5G/3G/4G networks.
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JYZ-HW Overhead Line Remote Fault Indicators is usually used in 5~38KV (can be customized by 44KV, 69KV and 110KV ) overhead line power distribution network to monitor and detect short- circuit and earth fault. The fault signal is indicated by three ultra-bright blinking LEDs with 360º sight. The fault information and current value can also be uploaded to the SCADA by 2.5G/3G/4G networks.

This Four-Faith Overhead Line Remote Fault indicator can be mounted under live conditions with the help of an adapter and a hot stick. The parameters such as trip current, reset time, blinking interval, etc., can be read and adjusted by a bidirectional wireless tool. Permanent fault, transient fault and battery low voltage alarm can be distinguished and indicated separately by 3 different ultra-bright blinking LEDs. And the earth-fault can be indicated by two alternating different ultra-bright blinking LEDs.



 

  

  

  

  










  The earth-fault and short-circuit fault indicator type JYZ-HW consists of:

1) 1 pcs DCU: Transmission fault and load current value to SCADA
2) 3 pc indicators: short-circuit and earth fault detection and indication

 

 
 
parameter
JYZ-HW V2.0 Remote Overhead Line Fault indicator Features and Options
Subject Value
Permanent Fault Indication of permanent fault by three red ultra-bright blinking LEDs.
Instantaneous Fault Indication of instantaneous fault by three green ultra-bright blinking LEDs.
Earth-fault Indication of earth-fault by red and green ultra-bright LEDs blinking alternately.
Low Battery Warning Indication of Low battery alarm by three yellow ultra-bright blinking LEDs.
Parameter Adjusted The parameters can be read and adjusted by bidirectional wireless tools.
Remote Transmission DCU can transmit data to remote SCADA system.
Power Supply The indicator can take power from overhead lines, with lithium battery backup.
The DCU can take power from solar energy with lithium battery backup.


General Data
Subject Value
Short-circuit Trip Current (Phase to Phase) Adjustable, 1A step, 150A default
Earth-fault Voltage Drop (Phase to Ground) Adjustable: 1% step, 30% default
Earth-fault Response Delay Adjustable: 1 second step, 30s default
Indication Unit Reset 1 manual by magnet
2 communications by wireless tools or DCU (optional)
3 time reset: adjustable, 1 second step, 24h default
4 Auto delay reset after repower, 1 second step, 30s default
Protection Class IP68
Internal Type Test According to IEEE495-2007
Operation Temperature Range -40~+70℃
Power Supply Lithium battery type AA 3.6V / 2.7Ah, replaceable
Battery Life Approx. 10 years
Weight <1kg
Dimensions Diameter: 93mm
Height: 170mm
Accuracy 0A~300A  ±3A
300A~800A ±1%
Cable Diameter Ranges 6mm~42mm
Blinking Frequency 20 per minute, adjustable
Maximum Operating Voltage <= 38KV
Current Withstand 31.5KA/2s
Communication 433MHz from indicators to DCU
2G/3G/4G from DCU to SCADA

 
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