Distribution Network Single-Phase Cable Grounding Fault Locating Device/Ground Fault Locator Finder

• After-sales Service: Online
• Warranty: 1 Year
• Type: Cable Fault Locator
• Control: Computer Control
• Weight: 0-100Kg
• Power Source: AC220V
• Model NO.: KDJK-10A
• Transport Package: Plywood Case
• Trademark: LONROY
• Origin: China
• HS Code: 9024800000
• Production Capacity: 200pieces/Month

Product Description

Distribution network single-phase cable grounding fault locating device/Ground fault locator finder

KDJK-10A single-phase grounding fault locator is suitable for single-phase grounding fault lines of overhead lines in small current distribution networks. When single-phase grounding fault occurs and the lines are shut down, the device can be accurately located at the docking point of the device.

KDJK-10A single-phase grounding fault locator is a portable device that can locate faults of multiple lines. The whole equipment consists of transmitter, sensor, receiver and accessories. After the fault line is shut down, the transmitter applies ultra-low frequency high voltage signal to the line to make the fault repeat, and the sensor is hung on the line with an insulated rod along the line to detect the signal, and the data is transmitted wirelessly to the receiver on the ground, and the receiver displays the measurement result. Before the fault point, the current continues to exist, after the fault point, the current disappears. The fault location can be quickly determined by rough segmentation followed by precise fixing.

Distribution network single-phase cable grounding fault locating device/Ground fault locator finder

Product characteristics
1. It is suitable for the distribution network of small current grounding system to detect the single-phase metallic grounding, arc grounding, transition resistance grounding and other faults of overhead lines.
2. Positioning after line outage, especially suitable for faulty lines with cable branches (10kv, 35KV overhead lines).
3. By injecting the detection signal into the fault phase of the line, the single-phase grounding fault point is determined, which reduces the blindness and reduces the fault detection time.
4. In the state of line power failure, it can quickly and accurately locate the single-phase ground fault point with an error of less than 1 meter.
5. Using dichotomous method for detection, it does not need full line inspection, and reduces the time of fault detection.
6. When the line is running normally, the line load current (0-100mA) can be detected.
Seven. It is operated on the ground through an insulating rod, and there should be a fuse protection device inside the device to ensure personal safety.
8. The device has a variety of power modules built in ultra-low frequency composite signal source, power signal source, high voltage signal source, and the device realizes a variety of working modes.
9. The device is equipped with a variety of receiving systems, which do not interfere with each other, and can be tested simultaneously or separately.
10. The high voltage signal is applied to make the fault repeat, and the current signal is stable and easy to detect.
11. The ultra-low frequency signal avoids the influence of system distributed capacitance and can locate faults with high resistance values.
12. Transmitter safety features: high voltage start blocking function, output allows direct short circuit.
13. Sensor With high sensitivity sensor, easy to connect on line.
14. Sensor and receiver wireless communication transmission, safe and reliable.
Fifteen. The device has a variety of protection functions and has good safety test performance.
16. The transmitter can use mains power, generator power supply, sensor and receiver dry battery power supply.
17. When the power supply voltage is too low, the alarm should be prompted to charge.
18. Operated by insulated rod with internal fuse protection.
19. The device has a variety of power modules built in ultra-low frequency composite signal source, power signal source, high voltage signal source, and the device realizes a variety of working modes.
20. Small size and light weight of transmitter; The sensor is designed to reduce the volume and weight, and it is convenient to connect along the line. The receiver is designed for handheld.

1, grounding fault high-voltage test signal generator

Positioning accuracy	0.1m
Output frequency	22Hz
Open circuit voltage	fundamental wave RMS 0 ~ 2800V
Pulsating DC, peak 16kV, equivalent to the peak phase voltage of a 20kV line
Short-circuit current	fundamental RMS 0 ~ 35mA (pulsating DC, peak 100mA)
Ground fault measurement range	Ground resistance ≤100 Kω
Detection line length	≥120km
Short-circuit current	fundamental wave RMS 0 ~ 30mA
Signal output range	0 ~ 100mA
Signal output accuracy	±1mA
Wireless communication distance between sensor and receiver	not less than 30m
Transmitter output power	Maximum power 900W
Transmitter power supply	AC 220V mains, generator (output power ≥1000W)
Weight	15kg
Volume	400×300×220mm

Distribution network single-phase cable grounding fault locating device/Ground fault locator finder

2, overhead line fault signal transmitter

Detect the cross-frequency signal emitted by the test signal generator.
Automatic timing.
Automatically displays the communication status with the pliers meter.
Automatic display of device voltage.
Automatic low voltage alarm.
Detects the load current of the line.
Clamp CT was used to measure the different frequency signal and load current.
Can be used to measure insulated lines.
Can display the current clamp battery status and battery voltage in real time.
Test accuracy	±1%±3dgt(23ºC±5ºC, below 80%RH)
Detection range	0.1mA ~ 100.0mA
Transmission mode	wireless RF mode
Transmission frequency	433MHz
Transmission distance	≥30m
Mouth diameter	≥40mm
Working temperature	-30ºC ~ 70ºC
Power supply	3 No. 7 alkaline dry batteries.
Weight	0.45kg
Volume	87×37×262mm

3, overhead line fault signal receiver

Receive and display data from a handheld data detector.
You can lock and hold data.
In automatic pairing, the communication status with the pliers meter is displayed automatically.
Automatic display device voltage, automatic low voltage alarm.
Display the detected signal size in digital mode.
Data transmitted by handheld signal detection devices can be stored.
Display mode: Large screen LCD, backlight function.
Wireless distance	not less than 80m
Historical data can be stored	≥500 times.
You can set up a variety of ways to work.
Data from the host and receiver can be read.
Working temperature	-30ºC ~ 70ºC.
Power supply	5 No. 5 alkaline dry batteries.
Weight	0.45kg
Volume	100×35×204mm