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Product Details

■Product Overview

Cart-type The high‑voltage pulse generator fully complies with DL/T 846‑2004 “General Technical Conditions for High‑Voltage Test Equipment” and DL/T 474‑2006 “Guidelines for the Implementation of On‑Site Insulation Testing.” It is primarily used for impulse discharge and withstand voltage testing in low‑ and high‑voltage cable fault location.

This device is a cart-mounted, high-end experimental instrument that integrates a DC high-voltage power supply, energy-storage capacitors, a discharge sphere assembly, an automatic discharge system, and a voltage-level switching mechanism into a single unit. It comprehensively addresses the issues of usability, portability, and safety and reliability that have long plagued conventional experimental setups.

This instrument employs high‑precision, highly stable dedicated high‑voltage electronic components and advanced high‑frequency, high‑voltage technology, resulting in a simple overall design. To preserve users’ familiar practices of generating DC high voltage with transformers and control boxes, this pulse generator features a user‑friendly operating interface and an integrated, compact, and reliable circuit design. It is safe, dependable, and visually intuitive, delivering the remarkable performance of withstanding even severe impact without damage. Additionally, it offers automatic timed pulses, manual triggering, and dielectric withstand testing capabilities. As a cart‑mounted DC impulse high‑voltage device, it represents the most ergonomically designed solution currently available in China—truly the ideal product long sought after for power cable fault location.

■ Key Performance Features

★ The high-voltage pulse output is uniform and controllable;

★ Features dual 1.5‑class pointer meters for current and voltage, providing clear, intuitive readings and making the impulse discharge process instantly apparent.

★ High-voltage-side voltage measurement, real-time and highly accurate;

★ Features zero‑position start‑up protection for safe and reliable operation;

★ Features three voltage ranges and a capacitance range‑switching function;

★ Unique high-voltage measurement design: when the device is in the off state, it automatically discharges the internal capacitance.

★ The discharge time can be set to either timed or manual mode;

★ Features DC withstand voltage capability;

★ Equipped with a high-precision test cable fault‑sampling waveform module;

★ Ergonomically designed trolley for easy mobility;

 

■ Main Technical Specifications:

★ Impulse Voltage: Three adjustable ranges—0–32 kV, 0–16 kV, and 0–8 kV.

★ High-voltage voltage division: Voltage accuracy class 1.5

★ Built-in capacitors: three adjustable settings—4 μF/32 kV, 16 μF/16 kV, and 64 μF/8 kV.

★ Discharge energy: 2048 J each

★ Impact Time: Automatic impact lasts approximately 5 seconds; manual impact allows for freely adjustable timing.

★ Impact Power: 2 kVA

★ Dimensions: 534L × 444W × 805H

★ Weight: not more than 105 kg

★ Power Supply: AC 220V ±10%, 50Hz ±2Hz

★ Ambient temperature: -20 to +50°C

 

Keywords:

ND-S Trolley-Mounted Cable Fault Locator

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