Cable Fault Locating and Detection Device

Introduction

1. Integrated trolley structure for easy on-site handling.

2. On-site testing does not require complex wiring. All testing methods and voltage level changes are automatically switched through low-voltage control of internal high-voltage switches.

3. Rapidly locate and pinpoint low-resistance, high-resistance leakage faults and flashover faults in various low-voltage and medium-voltage level power cables.

Features:

An internally integrated system featuring multi-level DC high-voltage generators, multi-level high-voltage impulse capacitors, automatic ignition/discharge sphere gap units, multi-pulse arc stabilization units, current coupling units, and a centralized automatic control unit, all in a single, user-friendly fault location system.

2. The switching between three testing methods and two voltage levels is achieved through low-voltage weak electric control.

3. Leading-edge testing methods make diagnosing complex malfunctions incredibly simple.

4. Low technical skill requirements for equipment operators.

5.8/16KV output with a shock energy of up to 1408J per step, extended ranging arc time, and loud fault point sound during pinpointing.

Wide wheels ensure stability and ease of transportation and on-site work.

Technical Indicators:

1. Testing Methods: Arc Reflection Method/Multiple Pulse Method, Current Sampling, Direct Current Output.

2. Sampling Signal Types: Arc Reflector Method/Multiple Pulse Method, Current Sampling, Low-Voltage Pulse.

Direct Current High Voltage Output:

0-16KV Negative Polarity, High Output Current: 76mA

0-8KV Negative Polarity: High Output Current: 152mA

4. Impulse Capacitors:

0-16KV, 11μF, high output energy of 1408 joules

0-8KV, 44μF, High Output Energy of 1408 Joules

At low voltages, it delivers a more powerful shock energy (multiple times the energy of a single capacitor at low voltage), making it easier to puncture cable fault points. The pinpointing is precise with a loud sound. The insulation of the tested cable is not subject to secondary damage due to fault location.

5. Ball gap impact discharge: The low-voltage electromagnetic valve controls the air gap, with the discharge cycle adjustable between 3-12 seconds, and a special noise reduction device is designed to meet the requirement of silent operation for the initial cable fault.

6. Protection:

Zero-Voltage Position Protection: Prevents误operation, ensuring safety for personnel and the tested product.

Upon pressing the "Disconnect" button, the residual charge is quickly and automatically discharged through the built-in safety devices, ensuring safety.

Impulse Energy: E = (C * U²) / 2