Transformer Lightning Impulse Test

Technical Description of Lightning Impulse Voltage Generator

I. Equipment Overview

The Lightning Impulse Voltage Generator is a specialized testing equipment designed to simulate lightning impulse voltages, widely used in the detection of lightning impulse withstand performance in power systems, electrical equipment, and insulating materials. This device incorporates advanced design concepts and technological methods, featuring high efficiency, stability, and safety, and is capable of meeting the requirements of various lightning impulse tests.

Surface Finishing

The equipment surface is treated with imported automotive insulating paint, offering a bright luster. It not only boasts excellent moisture and water-repellent properties but also has superior insulation strength.Extreme.This paint boasts excellent aging resistance, maintaining stable color and performance even in harsh climates such as extreme cold, high temperatures, and high altitudes.

III. Body Structure

Body adopts pseudo-German designSiemensThe four-column structure boasts compactness and excellent stability. Each level's charging voltage is ±100kVNo content provided for translation.Extreme.Sex symmetric charging, meeting the voltage requirements of lightning impulse tests.

The synchronous ball gap is sealed within an insulated barrel. Fresh, filtered air is blown into the bottom by a blower, ensuring the ball gap discharge remains unaffected by environmental dust and discharge particles, thus guaranteeing stable and reliable discharge.

Reasonably designed intermediate insulation and mechanical support can withstand200kVOperate at impulse voltages110kVDirect current voltage without discharge ensures the safe operation of the equipment.

Operations and Maintenance

The inner space is spacious, equipped with insulated ladders and operating platforms for easy access to necessary operations and maintenance by operators.

The equipment is designed with various operating modes, allowing the series and parallel operation of the impact body to be changed through a dedicated connecting rod, to meet different testing requirements.

Each level features a card holder for placing tuning resistors and connecting rods, facilitating adjustments and replacements of the resistors and connecting rods.

Five: Main Capacitor

The main capacitor utilizes an iron shell single-tube pulse capacitor, featuring stable capacitance and high direct current working voltage.

In normal operating conditions, capacitors exhibit minimal deformation, with their casings able to withstand significant vertical tensile forces without damage or oil leakage.

Capacitors are horizontally mounted at each stage of the generator, ensuring stability and reliability over long-term use.

Sixth, Tuning Element

The wave head, wave tail, and charging resistors all possess sufficient thermal capacity, ensuring the generator can operate continuously for extended periods.

The wave head and tail resistors utilize a plate-like structure, made from Kanthal wire with a non-inductive winding. They are externally vacuum cast with insulating resin, featuring spring-pressed connections for easy installation.

The equipment is equipped with multiple wavefront, wavetail resistors, and charging resistors to meet the requirements of various lightning impulse tests.

Seven: Full-Automatic Control and Protection System

AdoptedEDHGCS2000AType Control System, achieving control over the main part of the impulse voltage generatorNo Chinese content provided, so no translation is needed..SurfaceControl, satisfying various control functions for impact tests.

Control systems from Mitsubishi CorporationFX2NThe series of programmable controllers feature compact size and powerful functions, serving as core components.

The control system features manual, fully automatic, and programmable control functions, offering easy operation and high reliability.

Equipped with practical features such as a charging voltage feedback measurement system, adjustable spark plug gap and cutoff ball gap distance, as well as abnormal charging protection.

Section 8: Safety Grounding System

Equipped with automatic grounding mechanisms for electromagnets and safety grounding, the equipment ensures safe grounding during the testing process.

Two grounding operations and charging controls feature a连锁 protection mechanism to prevent safety accidents caused by incorrect operations.

In summary, this lightning impulse voltage generator boasts advantages such as a rational structure, stable performance, simple operation, and reliable safety, making it an ideal device for testing the lightning impulse withstand performance of power systems, electrical equipment, and insulating materials.