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Tel: +86 189 0119 4516
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E-mail:overseas@hyliton.com

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JYL-HY Fault Passage Indication System

JYL-HY Overhead Fault Passage Indication System 10kV Line Earthing and Short-circuit Fault Iden···

JYL-HY Overhead Fault Passage Indication System 10kV Line Earthing and Short-circuit Fault Identification

 

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Summary

Line fault on-line monitoring system is a set of intelligent fault management system with remote distribution monitoring, centralized management and instant notification. It makes the existing fault detection technology progressed, which combines the line fault detection and communication transmission technology. By sending the information to the master station and completing the topology fault location, display and alarm notification at the master station, the fault location and query of the line become much faster. As shown below, the system consists of communication fault indicator, signal source, communication terminal, working master station, etc. And the working master station includes signal receiving terminal, master software, computers and mobile phones.

System Composition

The system consists of at least three acquisition units (model JYL-HY-CX fault indicator), a collection unit (model JYL-HY-HD) and the master station system. The distribution line fault location master station system consists of a variety of software and hardware components such as communication exchange, servers, master station software, etc., which supports access to existing distribution automation system simultaneously.

Acquisition unit

Achieve information interaction with system master station via RF (radio frequency)

Collection unit

Achieve information interaction with system master station via multiple communication methods

System master station

To carry out fault event recording, data release, storage of alarm log, sound and light alarm, SMS alarm according to the different processes of different types of faults through collection, storage, analysis and processing of the data returned by detection terminal.

System working principle

Fault Indicators are mainly installed at the boundaries of substation outlets, switch load sides, branch lines, cable inlets and outlets, and the main lines. The communication terminal is distributed and installed matched to the fault indicators according to the configuration rules, when the line fault online monitoring system is working, the fault indicators monitor line status in real time and accurately, and send back the collected information such as fault alarm, power transmission status, etc. to the master station monitoring system through the communication terminal; The master station monitoring system do statistics, analysis and topology calculation for the data, to determine the fault area; Simultaneously, the fault point message will be sent by SMS to the set mobile phones of related persons such as the utility production management departments, line specialists, line maintenance principals, etc., in order to guide the staff find the fault points promptly and accurately. The master station monitoring system uses software combined with the line topology and fault indicator position information to determine the fault point is located between L5 and L6, and alarms by the way of graph and sound.

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Features


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Features of Acquisition Unit

1. Trigger line current intelligently, earthing electric field high-speed fault recording(4kHz), capture small current earthing fault instantaneous transient waveform signal, achieve synchronous waveform acquisition for three phase current and earthing electric field with high-precision(±100µs) wireless time;

2. Identify line conditions accurately, support current waveform record;

3.  Live online, can control the line status in real time;

4. Can achieve wireless upgrade remotely;

5. Can achieve live installation and removal with insulation operation rod, which is safe and convenient;

6. Adopt small current self-powering technology, all the functions can be satisfied in the condition of 5A, 5s, through using new material and innovative power supply technology, with solar cells as backup power, which make it work normally when the line is out of power or the current is very low.

Features of Collection Unit

1. Can support the data collection of at least 3 groups(3 sets for each group) of acquisition units; The communication terminal synchronizes once every 30 minutes, to ensure high-precision(±100µs) three-phase wireless time synchronization;

2. Three-phase synthesis to obtain transient zero-sequence current, electric field signals, to achieve precise earth fault detection and positioning;

3. High reliability power supply, low power consumption design can make communication terminal work continuously for 15 days;

4. Regular self-test, and send self-test information to the monitoring center, can achieve remote maintenance and upgrade;

5. With power management function, can detect battery voltage, control the start, exit and activation of storage battery.

 

TECHNICAL PARAMETERS

Technical Parameters of Acquisition UnitInstalled

Description

Data

Description

Data

Rated voltage

10 kV /35kV

Self-powered operation

Line current 5 A

Working current

0 ~ 600 A

Weight

2 kg

Rated frequency

50 Hz

Protection grade

IP 68

Adaptable conductor diameter

Adapted to high-resistance

Assembling life

50 times harmless

Line current

Measurement accuracy

0 ~ 300 A±3 A300 ~ 600 A,±1%

Mechanical strength

Tensile strength of line clip mechanism

Vibration 1 grade

8 times of self weight in vertical direction

Neutral point earthing method

8 ~ 42 mm


50N displaced along the direction of line

 

 

Recognizable fault type

 

Short circuit between phases, single phase earthing:

instantaneous and permanent faults

Ambient temperature

-40 ~ 70

Storage temperature

-40 ~ 70

Minimum recognition time for reclosing

0.2 S

Ambient temperature

5% ~ 95%without condensation

Indicating type

Flash

Short-circuit current impact tolerance

31.5 kA/4 S

Visual angle

360°omnidirectional

Fire hazard level

5th grad

Continuous flash time after power off

2000 h

Electrostatic discharge immunity

4th grade

Fault reset mode

Automatic reset after power supply, timed automatic reset, remote manual reset

Time automatic reset mode

0 ~ 48 h settabledefault24 h

Fault reset mode

Automatic reset after power supply, timed automatic reset, remote manual reset

RF electromagnetic field radiation immunity

4th grade

Time automatic reset mode

0 ~ 48 h settabledefault24 h

Surge impact immunity

4th grade

Working frequency

433 MHz

Power frequency magnetic field immunity

5th grade

Communication distance

1000 m

Operational life

8 years

Battery capacity

3.6 V8.5 Ah

Electrical life

2000 times

 

Technical Parameters of Collection Unit

Description

Data

Description

Data

Main power

Solar panels power supply

Communication

1000 m

Battery

12V maintenance-free long-life

Sync pulse interval

Synchronize once every 30m can guarantee

Average sleep power consumption

chargeable storage battery

Wireless communication type

100µs synchronization accuracy

Average standby power consumption

1 mA

Electric protocol

2G/3G/4G full network

Average operational power consumption

7 mA

Positioning support

Support DL/T 634.5 101104

Maximum operational power consumption

12 mA

Secure encryption

Support GPSBig Dipper

DimensionsW * H * D

100 mA

Electrostatic discharge immunity

Support national network hardware encryption

Weight

250 * 340 * 160 mminclude solar pane

RF electromagnetic field radiation immunity

4th grade

Housing

1 mA

Surge impact immunity

4th grade

Protection grade

Stainless steel

Power frequency magnetic field immunity

4th grade

Working temperature

IP 55

Pulse magnetic field immunity

5th grade

Storage temperature

-40 ~ 70

Damped oscillation magnetic field immunity

5th grade

Ambient temperature

-40 ~ 70

Operational life

5th grade

Working frequency

5 % ~ 95 % without condensation


8

 

MASTER STATION

System Components

The master station system consists of system monitoring computer, detection system software, data servers, communication exchanges, UPS power supply, etc. It mainly do the fault event recording, data release, alarm log storage, sound and light alarm, SMS alarm etc. according to the different process procedures of different faults, by collection, storage, analysis and processing the data returned from detection terminal.

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Outline drawing

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Download the specifications of JYL-HY Fault Passage Indication System Transformers

JYL-HY Download brochure.pdf


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