Basic Info.
Impulse Current Withstand
31.5ka for 2s
Degree of Protection
IP67
Ground Fault Upload
Receiving and Upload Fault Information and Fault C
Short Circuit Fault Upload
Receiving and Upload Fault Information and Fault C
Load Current
Upload Load Current Value, Timing or out-of-Limit U
Relative Humidity
5~95%( No Condensing)
Storage Temperature
-40ºC~85ºC(-40~+185ºF)
Operation Temperature
-35ºC~80ºC(-31~+176ºF)
Communication Discharge
+ 8kv
Transport Package
Fourfaith Standard Package & OEM Package
Specification
355*293*255mm
Product Description
Four-Faith Remote Cable Line Fault Indicator Underground Fault Indicator
The DYX-FF Remote Cable Line fault indicator is used in 6~35KV Cable line distribution networks, usually installed in Ring Main Unit, Cable Distribution Box, Switch Cabinet, enable the electricity distribution network engineers to quickly identify the faulty section of network and restore power supplies to customers on healthy sections in the shortest time possible.
1.Flexible Power Supply Mode to Ensure Long-term Stable Operation of EquipmentVery low power consumption, support AC power supply and CT power supply, and supercapacitor as the backup power.
2.The Device Supports Remote Configuration and Upgrade, Which Greatly Improves the Management Efficiency.There's no need to be on site, user can configure the device remotely, including setting the operating parameters, such as heartbeat interval, remote measurement upload time interval, transient failure return time, permanent fault recovery time, etc. Meanwhile, it also supports remote upgrade and remote program maintenance, which greatly improves management efficiency.3.Low Battery Alarm Function is Provided on the PanelWhen the battery voltage is lower than the set value, the panel indicator immediately responds by mechanical flag, indicating that the battery needs to be replaced.4.Support Optical Fiber Communication and More Stable Data TransmissionThe data transmission security and reliability are guaranteed by collecting fault indicator information through optical fiber communication.Typical Application: Ring Main Unit/ Cable Branch Box
Main technical parameters- Short circuit sensor mounted cable diameter: outside diameter≤Φ40mm (other specifications shall be customized)
- Earth fault sensor mounted cable diameter: outside diameter≤Φ120mm (other specifications shall be customized)
- Working Ambient Temperature: -40ºC-75ºC
- Relative Humidity: ≤95%RH
- Working Power Supply: CT power supply when the flowing current above 10A, when the current under 10A, will powered by the backup Lithium battery
- Remote Signal Communication Capacity: AC220V/1A
- Remote Signal Communication Reset Method: Manual reset / Auto reset
- Automatic Reset Time: 1-48H Selectable (accuracy:±1%); Customer could select before production; Default Settings:12H
- Suitable for medium voltage below 35KV rating system.
System Composition
The system is composed of 3 pcs short circuit sensor, 1 pcs earth fault sensor, and 1 pcs data concentration, and the monitoring central station.
Cable Line Installed part include:
sensor : 4pcs/SET, include 3 pcs short circuit sensors and 1 pcs earth fault sensor. 3 pcs short circuit sensors respectively installed in A,B,C three phase Cable Line, 1 pcs earth fault sensor installed on the bifurcation unshielded part of three-phase cable.
Data Concentrator Unit: Installed inside or outside the Ring Main Unit(or Cable Distribution Box, Switch Cabinet). One data concentrator unit can receive fault signal sent by sensors through 433MHz or fiber optic and send to central station through GPRS/3G/4G LTE cellular network. The data concentrator Unit is mainly composed of industrial modem.
Monitoring central station include:
One set data server with software system. Monitoring central station usually setup in power utility office, power substation, etc. When receiving the fault message from the data concentrator unit, combined with GIS system, the maintenance crew man could quickly locate the fault site and trouble-shoot.
The software system could be SCADA or other software platform, usually power utility companies have their own software system. Four-faith also have our own-developed software system.
Note: If customers use their own software system, then should offer Four-faith the software data communication protocol format, so that the FOURFAITH data concentrator could be able to communicate with the software system.
Operation worked example
With the remote monitoring central station, the maintenance crew man could be able to accurately locate the fault section via the GIS in the software system, thus save a lot of time for troubleshooting.
Short circuit indication
On detection of flowing current value exceed the fault sensitivity threshold, the short circuit sensor will send fault signal through 433MHz or fiber optic to the data concentrator, the data concentrator will send the fault signal through GPRS/3G/4G LTE cellular network to the remote central station, the crew man then could quickly identify and locate the fault section and go for troubleshooting at the pointed site.
Earth fault indication
On detection of the zero sequence current value exceed fault sensitivity threshold, the earth fault sensor will send fault signal through 433MHz or fiber optic to the data concentrator, the data concentrator will send the fault signal through GPRS/3G/4G LTE cellular network to the remote central station, the crew man then could quickly identify and locate the fault sectionand go for troubleshooting at the pointed site.
Locate the fault section in the FOURFAITH software which embedded with Google map
InstallationSpecification
DYX-FF-C (sensor)| Applicable voltage range | 6~35KV (should confirm before production) |
| Applicable current range | 0~630A (should confirm before production) |
| Applicable power frequency range | 45~60Hz (should confirm before production) |
| MTBF | more than 70000H |
| Impulse current withstand | 31.5kA for 2s |
| Degree of protection | IP67 |
| Weight | less than 500g |
| Outline dimension | Ф75mm * 115mm |
DYX-FF-HX (data concentrator)| Short circuit fault upload | Receiving and upload fault information and fault current |
| Ground fault upload | Receiving and upload fault information and fault current |
| Load current | Upload load current value,Timing or out-of-limit upload |
| Low battery alarm | Receiving and upload Low battery alarm function |
| Heartbeat function | Timing upload heartbeat information |
| Fault indicator Status measurement | Active measurement switch status and load current |
| Remote management | Remote management fault indicator, such as parameters, reset etc |
| Local and remote maintenance | Have local and remote upgrade function |
| Stability mechanism | WDT design, to ensure the stability of system |
| Identification of fault current duration | 20ms~40ms |
| IEC support | Support IEC60870-5-101 |
| Shell | 304 stainless steel+ RAL7305 |
| Protection class | IP67 |
| Outline dimension | Ф355*293*255mm |
| Weight | 5Kg |
| Electrostatic discharge | Can withstand the GB/T 17626.2 of the IV level of electrostatic discharge interference test
Communication discharge: + 8KV
Air discharge: + 15KV |
| EFT/B immunity test | Can withstand the GB/T 17626.12 of the IV class fast pulse group interference test
Voltage peak value: 2KV
Frequency: 5KHz & 100KHz |
| Radiated susceptibility | Can withstand the GB/T 17626.3 of the IV level RF electromagnetic field immunity
Field strength: 30V/m |
| Surge immunity | Can withstand the GB/T 17626.5 of the IV level surge (impact) interference test
Common mode voltage: 4KV ± 10%
Differential mode voltage: 2KV ± 10% |
| Power frequency magnetic field immunity | Can withstand the GB/T 17626.8 of the V level power frequency magnetic field immunity interference test
Magnetic field intensity: 100A/m |
| Damped oscillatory magnetic field immunity | Can withstand the GB/T 17626.10 of the V level damping oscillation magnetic field immunity test
Damped oscillatory magnetic field intensity peak value: 100A/m |
| Environment temperature | Operation temperature :-35ºC~80ºC(-31~+176ºF)
Storage temperature :-40ºC~85ºC(-40~+185ºF) |
| Relative humidity | 5~95%( No condensing) |
| Altitude | ≤4000m |
M2M Wireless Communication Expert and Leader
Millions of Terminals Operating Online
Serving 50+ Countries
Four-Faith was founded in 2008, the headquarter is in Xiamen, China. After 10 years of development, our company has set up 4 subsidiary companies, including Four-Faith IoT, Four-Faith Smart Grid, Four-Faith International, Four-Faith Electronic. We also have offices in multiple locations such as Beijing, Shanghai, Chengdu, Shenzhen, Wuhan, Xi'an, etc.
At Four-Faith we strongly uphold the values of INTEGRITY, TRUST, CONFIDENCE and BELIEF. These values support the rapid growth of our enterprise. Four-Faith and its staffs aim to create a happy enterprise, at the same time bring loves to the community and society.
With the sustainable development and selfless contribution, we believe that we can bring intelligence and happiness across all beings.
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Company Introduction:
Four-Faith is a professional provider who specializing in the design, manufacture, marketing of the advanced wireless data transmission terminals, and providing the innovative, customized wireless data terminals, excellent service and solutions for our customers both at home and abroad.
We have an enthusiastic team and rich R& D experience, focusing on cellular modem, cellular IP codem, cellular router and 3G Gateway, and we have launched many products to meet our customers′need. Our prouducts as well as solutions cover multiple wireless cellular network worldwide, such as WCDMA/HSUPA/HSDPA, TD-SCDMA, CDMA2000 1X EVDO, CDMA2000 1X, EDGE, GPRS and GSM. Following our company motto, "Honesty, Trust, Confidence and Belief", we strive for establishing long-term and mutual trust cooperation relationship with our suppliers, competitors, mobile operator and dealers, etc.
In order to ensure that all requirement from our clients would receive our prompt and considerate attention, we have set up branches in Beijing, Wuhan and Shanghai at home, meanwhile, we have authorized more and more dealers and distributors for local market worldwide, and we are still expanding our networking of global distribution to meet more and more our clients′need.
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