32kv Power Cable Test Fault Locating System

Product Description

I. Applications:
EPDL Cable Fault Locating System Accurately and quickly detect the main insulation fault of power cables with voltage levels of 35KV and below, calibrate the cable length.

II. The system is including:

Product Name	Model	Quantity	Remark
Cable Fault Tester	EPDL-A	1	Rough measurement of main insulation. 12.1-inch industrial control integrated machine, touch operation
Cable Fault Locator	EPDL-D	1	LCD display, sound and magnetic synchronization
HV Pulse Generator	EPDL-H	1	8kV/64μF, 16kV/16μF, 32kV/4μF three-speed cart type, power 2048J

III. Main technical parameters of the system:

1. Windows operating system, touch operation mode, scientific cable management, real-time report generation; 10 pulses and 10 flashover wave superposition analysis, built-in operating instructions, cable information, measured cases, etc.
2. System functions: fault distance measurement, fault location, propagation speed test, etc.
3. Test methods: low-voltage pulse, flashover method, audio method, acoustic-magnetic synchronization method, valley method, peak method, electromagnetic induction method, etc.
4. Display control: Cable Fault Analyzer: 12-inch industrial-grade integrated machine control, built-in 12V/10Ah DC power supply, can work continuously for 10 hours; the others are controlled by single-chip microcomputer, and pointer meter display.
5. Test range: Test distance: 60km.
6. Measurement accuracy: rough measurement error: ±10m (absolute value) or 1% (relative value), fine measurement error: ±0.2m (fixed point).
7. Sampling frequency: 100MHz, minimum resolution 0.5m (100m/us)
8. Sampling method: automatic continuous sampling, never miss any discharge waveform
9. Low voltage pulse: width: 0.1uS and 2uS amplitude: 100Vpp
10. Output power: impact power: 0~400W
11. Impact high voltage: 0~8/16/32kV three positions
12. Short circuit current: 0~320mA
13. Burn through power: 2048J

IV. Specifications:
1. Cable Fault Tester  EPDL-A

• Main function:

1. Windows operating system, touch operation mode, scientific cable management, real-time report generation. 10 pulses and 10 flashover wave superimposition analysis; built-in operating instructions, cable information, measured cases, etc.
2. It has the functions of distance measurement, speed measurement and cable management.
3. 100MHz sampling frequency, minimum resolution 0.5m (100m/us)
4. Fully automatic continuous sampling, never miss any discharge waveform.
5. Test method: flashover method, low voltage pulse method.

 

• Main specifications:

Pulse amplitude:	100Vpp
Pulse width:	0.1uS and 2uS
Measuring distance:	Smax: 60km
	Smin: 15m
Measurement error:	absolute error of rough measurement: ±10m
Relative error of rough measurement:	±1%
Temperature resolution	0.1ºC

2. Cable Fault Locator EPDL-D
Cable Fault Locator EPDL-D is an acousto-magnetic synchronous pointing instrument, used with high voltage signal generator, is a portable and intelligent power cable fault pointing instrument. It adopts acoustic-magnetic synchronous locating method to precisely determine the exact location of the cable fault.

• Features

1. Adopts sound and magnetic synchronous fixed-point method.
2. Background noise reduction technology can effectively filter environmental interference noise and highlight the discharge sound at the fault location.
3. The intelligent pin-pointing method directly gives the acoustic and magnetic delay value through the intelligent algorithm, reducing the requirements for the tester.
4. Sound and magnetic field channel gain triggers manual adjustment, which is more convenient to fix point.
5. High-performance anti-noise monitor headphones. Adjustable parameters, select appropriate filter parameters, and suppress environmental noise.
6. Highlight LCD to ensure visibility in sunlight.
7. Built-in large-capacity lithium-ion battery power supply, with fast charger.
8. Small and portable, light weight.

 

• Main specifications:

Acousto-magnetic synchronization pin-pointing Cable Fault Locator function:
Sound channel:	Maximum signal gain: >=80dB
	Fixed-point accuracy: 0.1m
Magnetic field channel:	Max. signal gain: >80db
Battery:	Built-in lithium-ion battery pack, nominal voltage 7.4V, capacity 3400mAH
Use time:	Continuous use time > 7 hours
Charger:	Input AC220V±10%, 50Hz. Nominal output 8.4V, 1A
Charging time:	<6 hours
Display mode:	Transflective 320×240 monochrome liquid crystal
Volume:	Host 200mm×195mm×120mm
Weight:	Host 2.0kg
	Sensor 2.5kg
Use conditions:	Temperature:-10ºC-40ºC
	Humidity 5-90%RH
	Altitude <4500m

3. Integrated High Voltage Pulse Generator (three-speed cart type) EPDL-H

Product description:
The cart-type high-voltage pulse generator fully meets DL/T846-2004 "General Technical Requirements for High Voltage Test Equipment" and DL/T474-2006 "Guidelines for Implementation of Field Insulation Tests". It is mainly used for impulse discharge and withstand voltage test during low and high voltage cable fault test.
This device integrates DC high-voltage source, energy storage capacitor, discharge ball device, automatic discharge device, and voltage level switching device into one cart-type high-end experimental instrument. The equipment completely solves the problems of convenience, portability, safety and reliability of traditional experimental devices.

This instrument uses high-precision, high-stability special high-voltage electronic components and high-frequency high-voltage technology, making the whole machine simple in structure. In order to retain people's original habit of using transformers and operating boxes to generate DC high voltage, this pulse generator adopts a humanized design operation mode and integrates a micro and reliable circuit design. It is safe, reliable and intuitive. Really achieve the effect of not being damaged by impact, and it also has the functions of automatic timing impact, manual impact and pressure resistance. It is a humanized cart-type DC impact high-voltage equipment. It is the ideal product for our power cable fault detection.

Main performance characteristics:
★ Uniform and controllable high voltage pulse output
★ With current and voltage double 1.5-level pointer meter display, intuitive and clear, the impact discharge process is clear at a glance
★ High-voltage side voltage measurement, real-time and accurate
★ With zero start protection function, safe and reliable
★ With three-speed voltage range and capacitance switching function
★ Unique high-voltage measurement design, in the stop state, it will automatically release the internal capacitance of the device
★ The discharge time can be selected in two modes: timing and manual
★ With DC withstand voltage function
★ Internally installed high-precision test cable fault sampling waveform module
★ Humanized design trolley, easy to move

Main technical data table:

Impact high voltage:	0~8/16/32kV three gears optional
High voltage divider:	voltage accuracy level 1.5
Built-in capacitance:	4μF/32kV, 16μF/16kV, 64μF/8kV
Discharge power:	all 2048J
Impact time:	automatic impact about 4 seconds, manual impact arbitrary control time
Impact power:	2KVA
Volume:	534L×444W×805H
Weight:	not more than 75KG
Power supply:	AC 220V±10% 50Hz±2Hz
Ambient temperature:	-20~+50ºC

More details on Cable Fault Locating System EPDL please contact EPHipot Electric, we have professional tech team to design correctly designed products and systems.