High Voltage 15kV Power Bridge Cable Fault Position Detector

• Customization: Available
• After-sales Service: 1 Year
• Function: detect fault
• Model NO.: VS-2087
• Display: Digital
• Type: Weshine
• Environment: <40 degrees
• Warranty: 1 Year
• Power Source: 200Vac 50/60Hz
• Weight: 0-10Kg
• Installation: Portable Precise
• Customized: Customized
• The maximum current: 30mA
• The test ratio accuracy: ± (0.2% L ± 1) meters
• Output voltage: 0 ~ 15kV, continuously adjustable
• Output current: 30mA
• Anti-interference ability: > 100VAC
• Dimensions: L478mm * W360mm * H316mm
• Transport Package: Carton Box Wooden Case
• Trademark: WESHINE
• Origin: Hebei China
• HS Code: 9030899090
• Production Capacity: 2000

Product Description

 

 

Product Description

The high-voltage bridge cable fault tester is designed based on the MURRAY bridge principle, and is applicable to the location of the breakdown points (low resistance, high resistance and flashover type breakdown) of various wires and cables after laying and the points without breakdown but with low insulation resistance: for example, the insulation defect points with low cable resistance but without breakdown under operating voltage are found by using a megohmmeter. It can also be used to locate the defect points of various cables in the cable factory.
There are two methods for fault location of rough cable: bridge method and wave reflection method.

The wave reflection positioning instrument is more popular. Its disadvantages are: some instruments have complex field wiring and blind spots. When the waveform is not typical, the positioning personnel are required to master the instrument skillfully and be experienced to distinguish the pulse waveform. There are several cable faults that are difficult to find with the wave reflection method: for example, the insulation defect point of the high voltage cable sheath, the steel tape armored low pressure cable, the PVC cable, without the reflected wave, cannot be located. Short cable, unable to locate. Some high resistance breakdown points cannot be broken down under impulse voltage and are difficult to locate.
The high voltage bridge cable fault tester contains a high frequency and high voltage constant current source, which solves the problem of interference of the power supply to the high sensitivity amplification of the bridge. The power supply and the bridge are integrated. The measuring cable is a special high-voltage cable, which adopts the four-terminal resistance measurement principle and has high positioning accuracy. The bridge is placed at the high-voltage side, and the operating button is grounded safely. The limitation of the bridge method used for high resistance positioning has been completely solved, and the bridge method has the characteristics of no blind area, accuracy and convenience

 

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