Principle of Power Cable Fault Locator

Wire and cable fault location equipment has rised as a result of cable applications, using the progress and development of electronic technology, after having a century of changes, the key still but looks Nisshin. As a result of few cable systems failure, positioning experience accumulate very slow. Using the use of automation, technology, the instrument has made substantial progress. Power Cable Fault Locator is utilized to do this work. There are four steps of cable fault location process.

(1)Cable Fault Type Judgment
Should first serious take a look at the failure of cable throughout, fully understand the faulty cable, and detailed records, which will help find fault faster. Positioning method and sort of cable fault. Judgment cable fault type enables you to measure the insulation resistance or DC voltage test. Shaking table or digital megger relative measurement fault cable and white, and metal outer sheath-ground insulation resistance value. Point of failure the measured worth of the insulation resistance measuring voltage, the condition of the environment, sometimes values ??vary greatly. At different voltages, to see the changes over time, the insulation resistance of the fault point, combined with the characteristics from the cable and laying path, so that you can interpret many of information, as an example, the sort of failure as well as the possible positions.

(2)Fault Pretargeting
Bridge method and wave reflection way of the the pretargeting two main means. The proportion of resistance on the point of failure on sides of the cable core resistance and instrument constitutes the Murray Bridge, can be a traditional classic cable fault location. Positioning the bridge equipment low cost, simple operation, and had widespread use. Traditional positioning from the bridge, the rated output voltage only 500V, unable to locate high impedance fault. The big quantity of applications, cross-linked polyethylene cable breakdown is difficult to form the conductive zone breakdown point resistance is high, or even have the ability to withstand our prime voltage was flashover type breakdown. Using the positioning of the popularity of wave reflection method, the method of application of the bridge gradually reduce, not known towards the new cable users.

(3)Path DETECTION
The precise positioning ahead of the point of failure, you need to know the position and direction of the underground cable, the relevant details are often inaccurate, not even. With a dedicated path analyzer measured to find the position and direction of the underground cable. Path analyzer uses the audio induction method to appraise the cable path. The audio generator for the the measured cable input audio signal current on the headend, the receiver is received on a lawn fault cable generates a magnetic signal to its path and depth measurement.

(4)Accurately Fixed
Depending about the kind of fault, there are various ways and instruments for pinpointing. Cable Fault Locator is a necessity. Fault Location in Power Cable is designed to locate cable faults, pinpointing the fault location, route tracing, cable identification, voltage withstand make sure cable information management. It could locate all kinds of cable faults for many voltage level cables, including open circuit, short circuit, low insulation, high insulation and flashover faults, etc. Most power cables were buried underground, invisible, and unrealistic, with modern new power cable fault testing equipment, it may discover the fault point quickly, solve problems immediately and restore power source. Since the best fiber optic products supplier in China, FiberStore supplies three types of Power Cable Fault Locator. And you will also find a myriad of CCTV Security Tester in our store.

Here is some information about power cable fault locator

This article is all about Power Cable Fault Locator, a set of integrated cable fault detection instrument can test failure flashover of the high impedance from the cable failure, high and low resistive ground, short circuit and cable break, poor contact. Power Cable Fault Locator with sound the measured legal point instrument, technology-not only to accurately determine the exact location of the point of failure. Particularly ideal for testing various models, different amounts of voltage power cables and communication cables.

Detection method

Power Cable Fault Locator utilizing a various detection methods, the usage of essentially the most advanced electronic technology achievements. Computer products and microelectronics technology, which has a high a higher level intelligence, the use of a number of test accuracy, simplicity.

Locator design

Detection of aircraft cable fault, is very important inside the civil aviation maintenance; their effective testing and diagnosis method proposed based on the characteristics of aircraft cable, a minimal pressure pulse method, as well as the technique MCU and CPLD technology to development aircraft cable defect detection and devices; locator mainly consists of three parts: signal acquisition circuit, control circuit system, human-computer interaction circuit; same time, using two multiple goods vibration, both so that the high-speed signal acquisition, but also to meet the system's low-speed treatment with low-cost, lightweight and agile, test accuracy; used on aircraft cable access can be further put on the sector such as telecommunications, electricity short-distance cable testing defect detection.

Working Principle

Power cable fault tester includes a host of power cable fault tester, Power Cable Fault Locator, the 3 main elements of the cable path analyzer. Host with the cable fault tester for measuring the approximate location with the cable fault nature in the fault, the complete length of cable fault dot pitch test end. The cable fault sentinel may be the basis to determine the approximate location with the cable fault from the cable fault tester host around determine the precise location from the cable fault. For unknown direction of buried cables, you may use the path instrument cable underground to determine the trend. Power Cable Fault test method through the use of a higher voltage pulse power cable fault within the cable with the reason for failure breakdown breakdown point of turmoil the cable fault while foreign produce electromagnetic waves and sound as well.

In the ability industry, and several in the cable industry, particularly in complex power system, to locate underground cable fault lines are an incredibly difficult thing. However, normally made available, versatile and straightforward to work equipment always emerge, not only will reduce the pricey the failure of the probe and an extended power outage can help to eliminate the inevitable hard to find cable faults to troubleshoot brought a lot of convenience. Fault Location in Power Cable is made to locate cable faults, pinpointing the fault location, route tracing, cable identification, voltage withstand make certain you cable information management. It might locate a myriad of cable faults for those voltage level cables, including open circuit, short circuit, low insulation, high insulation and flashover faults, etc. Most power cables were buried underground, invisible, and over the budget, with modern new power cable fault testing equipment, it might find the fault point quickly, solve problems immediately and restore power supply.

Fiberstore supplies FS701, FS702 and FS703 Power Cable Fault Locator. As an example, FS701 Power Cable Testing Audio Signal Generator can produce 1 KHz audio signal, as well as Locating Devices to discover cable path or low-voltage cable fault location, makes cable path finding and low-resistance fault locating quicker and conveniently. Come to our store for more information about Power Cable Fault Locator and Fiber Optic Talk Set.