China High Quality Underground Cable Fault Detection Supplier – GDCF-900T Vehicle Mounted Cable Fault Locating System – HV Hipot

China High Quality Underground Cable Fault Detection Supplier – GDCF-900T Vehicle Mounted Cable Fault Locating System – HV Hipot

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China High Quality Underground Cable Fault Detection Supplier – GDCF-900T Vehicle Mounted Cable Fault Locating System – HV Hipot Detail:

Vehicle Mounted Cable Fault Locator system is used for Cable Fault conditioning (burn-down), Pre-Location, Route Location, Pin-pointing & Testing of HV & LV cables of different types&sizes. The set is suitable to carrying out the above-mentioned multifunction on power cables of various voltage levels mainly 33KV, 11KV, 415V and control cables with 1.1 KV grade. The set shall be used for cable types namely XLPE, PVC, PILC with Al / Cu conductor. The cables are laid underground (under plain earth, trenches, or RCC surface, Horizontal Drilling in HDD Pipe), above ground or partly under & partly above ground with maximum cable length around 25Km.

The cable fault locator is suitable for fault locating and pinpointing the following types of cable faults.
● High resistance
● Low resistance
● Intermittent type flashing faults.
● Sheath Fault location

Detection Method

● The system uses multiple pulses(ARC reflection method), three times pulses, impulse method, flashover method, TDR method to perform rough measurement of all types of cable faults.
● It uses acoustic magnetic method to accurately locate fault points.
● It uses electromagnetic induction principle to track unknown cable and locate the depth of cable.
● Identify and puncture bunch cables.
● Locate and measure cable sheath.

Features

The vehicle mounted cable fault test system uses a systematic and humanized comprehensive design to locate the main insulation fault of the 33KV, 11KV and 415V power cables, fault location detection of the outer sheath, precise determination point, path test, live identification, safety puncture, DC resistance that all kinds of test instruments, power distribution equipment, accessories and auxiliary tools required are installed on special modified vehicles.

The whole test process is safe and closed, and the test functions are various and the test results are accurate.

Vehicle Design

● The car consists of three parts: the cab, the operation room and the equipment compartment.
● The layout of the operation console is reasonable, and the cable insulation test, fault property judgment, and fault distance rough measurement can be completed completely in the vehicle.
● The fault test host can complete the rough measurement of the cable fault point distance and can automatically clamp the position.
● The control room is designed with independent high-capacity high-voltage part, LCD displays real-time current and voltage, directly intelligently complete high-voltage operation and discharge.
● Cable identification, path test host is embedded in the operating room.
● The operation table is made of epoxy resin to make the whole neat and beautiful. The tool drawer is designed with steel manufacturing and sound-absorbing rail locks. It is durable, non-slip, wear-resistant and easy to scrub. It ensures the safety of testing process.

The layout of Vehicle

The layout of Vehicle

Internal structure

1——Driving area
2——Operation area
3——Center control unit
4——Fault signal processing
5——Vehicle test instrument cabinet
6—— High-voltage test unit
7——Protection unit
8——Generator
9—— High Voltage Test cable reel
10——Ground cable reel
11——Isolation wall

The layout of Vehicle1

The layout of Vehicle2

The whole system includes

Item

Name

Model No.

Qty

1

Vehicle

————-

1

2

Multi-pulse cable fault tester

GD-4133

1

3

Pulse coupler

 

GD-4133S

 

1

4

Cable fault locator

 

GD-4132

 

1

5

High voltage impulse generator

GD-2131H

 

1

6

Cable identifier

GD-2134D

 

1

7

Cable puncture device

GD-2135B

1

Specifications

GD-2131H Impulse Generator

It’s used to generate HV impulse when using impulse flashover method to detect high impedance fault.

Features

● Strong burning ability, max. burning power is 1000W, breakdown point can be burned in short time and the resistance of breakdown point is decreased.
● If working together with GD-4133 Cable Fault Tester, there are two locating ways:
a. Low voltage pulse: If only using GD-4133, open circuit and low impedance grounding faults of cable can be located, and the length of cable can be measured, or wave speed of cable can be detected.
b. High voltage flashover: The discharging pulse voltage waveform of fault point is sampled by discharging sphere gap, which can locate fault distance.
● Generate impulse of fixed frequency. If working together with GD-4132 Cable Fault Locator, there are following functions:
a. Audio frequency: locate high impedance, flash-over faults.
b. To pinpoint cable’s route, identify special cable.
c. To metallic breakdown (dead grounding), using magnetic-field measurement to locate accurately.
● It also can be used in DC HV withstand test.

Specifications

● Input power supply: AC 220V,50Hz
● Output voltage: DC 0-32kV (adjustable)
● Rated power: 2kVA
● Max. energy: 2048J, 4uF
● DC flashover voltage: 32kV
● DC flashover current: 63mA
● Max. impulse current: 500mA
● Discharging method: DC HV, one time, cycle
● Cycle discharging time: 3-6 seconds
● Environmental temperature:0-40℃
● Humidity:<75% RH
● Altitude:<1000m
● Insulation level: A
● Dimension: 430*540*410mm
● Weight: about 31kg.

GD-4132 Cable Fault Locator
Including main unit, acoustic and magnetic sensor, anti-noise headphone and charger. It is suitable to test all kinds of power cable with metallic conductor. Its main function is locating poor insulation point, detecting circuit and depth of power cable.

Features

● Acoustic Magnetic receiving at the same time
● Strong anti-interference ability
● With anti-noise headphone.
● 320*240 LCD screen display Built-in big capacity Li-battery, with fast charger.
● Acoustic and Magnetic signal waveform display, signal and noise is easy to distinguish.
● Using cursor to measure acoustic and magnetic delay, accurately determine fault point. According to initial polarity of magnetic waveform, it can locate and route detection.

Other accessories

1. Locating function
a. Acoustic signal transmission band: center frequency 400Hz, bandwidth 200Hz
b. Signal gain: 80dB
c. Locating accuracy: 0.1m
2. Power Supply a. Built-in Li-battery, nominal voltage 7.4V,capacity 3000mAH. b. Power consumption: 300mA, continuous working time 9hours. c. Charger: inputAC220V±10%, 50Hz. Nominal output 8.4V,DC 1A d. Charging time: 4hours
3. Dimension: 270mm*150mm*210mm
4. Weight: 1.5kg.
5. Use condition Temperature -10℃–40℃, humidity 5-90%RH, altitude <4500m

GD-4133 Cable Fault Detector

GD-4133 Cable Fault Detectot is used to measure distance between cable faults. It’s easy to operate and with friendly interface.
It can be used alone under the low voltage pulse mode. Under the mode of pulse current, it needs to work with GD-2131 high voltage generator. Under the multiple pulse mode, GD-4133S coupler should be worked together. After distance locating, GD-4132 fault locator should be used for fault pinpointing. These products can be combined into a set of high performance and innovative cable fault testing system.

Features

● 7inch LCD screen, friendly interface.
● Multiple distance locating method:
Low voltage pulse method: it is suitable for the locating of the low resistance fault, short circuit fault, open circuit fault. It also can be used in the measurement of the cable length, the intermediate joints, T joints, and cable termination joint. This method also can be used to correct the wave velocity.
Pulse current method: It is suitable for distance measurement of the high resistance fault, breakdown fault. Using the current coupler to collect signals from the earth wire, it makes the user far away from the high voltage. This method is safe and reliable.
Multiple pulse: the advanced way to measure distance. The waveform is easy to identify and the accuracy is high.
● 200MHz real-time sampling. Max. 0.4m measurement resolution. It has small dead zone and is special for the short cable and near fault cable.
● Touch screen and press key operation
● PIP copy (pic. temporary storage)
● There will be a main window and three temporary storage windows could check three waveforms together.
● Built-in operating system
Special software management for software upgrade, backup and restore.
● Scale function
A starting point,10 contacts, one cable fault and one full length could be setting.
Display scale and testing waveform together
● Waveform storage and communication with computer.
Internal storage of waveforms.
With USB, to download or upload data
Communication with computer
● Power management
Backlight weakens if no operation in 2mins and power off in 10mins if no operation.
Built-in Polymer Lithium-ion battery.
Working time is up to 5 hours for each use.
Strong case, easy to carry.

Specifications

Locating methods

Low voltage impulse method

Impulse current method

Multiple impulse method if matched with GD-4133S

Max. Sampling frequency

200MHz

Gain range

0-70dB

Low voltage impulse voltage

30V

Max. resolution

0.4m

Max. Locating range

100km

Dead zone

2m

Battery

Nickel-metal hydride rechargeable batteries,endurance time over 5 hours

Communication interface

USB

Power supply

Input AC220V,50Hz,current 2A,charge for 8 hours

Dim.

274×218×81mm

Weight

3.5kgs

Operating Temperature

-10℃-40℃

Humidity

5-90%RH

Elevation

<4500m

GD-4133S Multiple Pulse Coupler
It is working together with GD-4133 Cable Fault Detector, used for detecting high impedance leak fault, flashover fault, low impedance earth and open circuit fault of power cables. GD-4133S supplied pulse coupling signal for GD-4133 and isolate it from high voltage equipment.

● Usingthemostadvancedtechnologyofmultiplepulseandpulsebalance.Thereflected waveform is more easy to identify.
● With safety HV protection, the measuring circuit and high voltage impulse power is electrically isolated.
● Easy wiring, safe and reliable.

Specifications
● Pulse voltage: 300V(P-P)
● Allowable input impulse voltage: <35kV
● Allowable input impulse energy: <2000J
● Power input: 220VAC, 50Hz
● Dimension: 560*230*220mm
● Weight: 7kg.

GD-2134D Cable Identifier
GD-2134D Cable Identifier includes a transmitter and a receiver, it can be used to locate trace and depth of the underground cables and metallic pipes, also to identify the cable from a bunch of cables.

Features

GDCF-900T Vehicle Mounted Cable Fault Locating System01

● Directly display pipe location.
● Left/Right arrow indication for Cable Route Tracing.
● Real time measure pipe current direction and false/correct prompt under partial frequency.
● Correct/False indication. It will point to the forward when the detected cable is traced correctly. Otherwise, it will point to the backward and it will show “?”.
● Automatic measurement of depth and current.
● Cable identification: Clamp identification and stethoscope identification. Clamp identification can measure the current amplitude and direction of cable precisely and give accurate result. Stethoscope identification is a traditional method when it is not convenient to use Clamp identification. It is easy wiring for Stethoscope identification.
● Using A rack(optional accessory) to locate the fault point of grounding insulation. It is not necessary to adjust to zero position. The arrow indicate the direction of fault point.
● Full digitalization high precision sampling and processing, with narrow receiving band and strong interference. It fully suppress power frequency and harmonic interference from nearby running cables.
● Active detection and passive detection.
● Built-in big capacity Lithium battery. Automatic power-off when under-voltage or no operation for long time.

Specifications

Transmitter
● Output (Three mode): Direct connection output, Clamp Coupling output(for option), Radiation induction.
● Frequency (6 for choice): 640Hz, 1280Hz, 10kHz, 33kHz, 83kHz, including 640Hz and 1280Hz is complex frequency. It can realize the function of Correct/False indication and pipe identification with the help of Receiver.
● Fault signal output to detect Pipe grounding fault.
● Power output: Max. 10W, 10steps adjustable.
● Output voltage of direct connection: Max.150Vpp.
● Automatic impedance matching and functions of overload&short-circuit protection.
● Power supply: Internal rechargeable Lithium battery, 4pcs, model no.18650. nominal 7.4V, 6.8Ah.
● Robust and portable.

Receiver
● Input mode: built-in receiving coil, receiving clamp(optional), echometer(optional), A rack(optional).
● Two passive detection frequency bands: power frequency and radio frequency (RF). No need to connect with audio frequency generator.
● Receiving frequency:
Active detection frequency: 640Hz, 1280Hz, 10kHz, 33kHz, 83kHz
PF passive detection frequency: 50/60Hz and 250/300Hz(user configurable)
RF passive detection frequency: center frequency is 10kHz, 33kHz, 83kHz respectively.
● Detection mode: peak method, narrow method, null method.
● 320*240 pixel LCD screen.
● Built-in Rechargeable lithium battery, 2pcs 18650 Li battery, nominal.7.4V, 3.4Ah.
● Robust and portable.

Other specifications
● Size: transformer 270*220*85mm, receiver 700*270*120mm.
● Weight: transmitter 2.2kg, receiver 2.2kg.
● Charger: input AC 100-240V, 50/60Hz, output DC 8.4V, 2A.
● Working condition: Temperature -10–40℃. Humidity 5-90% RH, Altitude<4500m.

Cable Puncture Device

GD-2135 Cable Puncture Device

GD-2135B Cable Puncture Device is also cable identifier, to identify the cable from a bunch of cables.
It is non-contact safe puncturing device, with remote and timing control.
This device includes two parts, nailing device and control device. It is battery powered, which isolate the puncture device from power system, to ensure power supply safety.

Features

● It is suitable for puncturing all kinds of power cable, safe and reliable.
● Two working modes, including remote and timing. Two buttons to be used to enter into working mode, ensure safety of operator.
● Two buttons remote (key C and D pressed at the same time). To ensure reliable receiving, the transmitting antenna of remote control should be pull-out totally.
● Using double guns to puncture by double angles. One test operation to finish double punctures.
● With sound alarm and LCD display.
● Multiple protection design by mechanics and electronics.
● Special designed for cable puncturing, directly fixed on the cable, installed at any angle.
● Using battery powered, suitable for wild use without power supply. Also, it isolates the puncturing device from power system, to ensure safety.

Specifications

● Wireless remote distance: ≤ 20M.
● Cable application: all power cables ≤ ¢125mm
● Working power: 6pcs 1.5V battery.
● Working condition: temperature -10–50℃, humidity RH<95%.
● Weight: 15kg including aluminum case.
● Dimension: 48*45*16cm


Product detail pictures:

China High Quality Underground Cable Fault Detection Supplier –  GDCF-900T Vehicle Mounted Cable Fault Locating System – HV Hipot detail pictures


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  • Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Alberta from Armenia - 2018.06.26 19:27
    The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
    5 Stars By Elaine from Philippines - 2018.06.19 10:42

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