Broadband ultrasonic partial discharge inspection instruments are favored by technical personnel in the power industry due to their ability to cover a wide range of ultrasonic frequencies. These devices typically can detect ultrasonic signals between 20kHz and 200kHz, which is very useful for partial discharge detection. Below is an overview of an article about the broadband ultrasonic partial discharge inspection instrument:



Broadband Ultrasonic Partial Discharge Inspection Instrument

Introduction

With the increasing complexity of power systems and the higher requirements for maintenance of power equipment, partial discharge detection technology has become an important means to ensure the safe operation of power systems. Partial discharge not only leads to a decline in the insulation performance of power equipment but may also cause serious safety accidents. Therefore, developing a broadband partial discharge inspection instrument that can cover a wide range of ultrasonic frequencies has become particularly important.



Product Overview

Name: Broadband Ultrasonic Partial Discharge Inspection Instrument

Model: [Specific Model]

Manufacturer: [Manufacturer Name]

Main Features

Broadband: This inspection instrument adopts advanced ultrasonic sensors, capable of capturing ultrasonic signals between 20kHz and 200kHz.

High Sensitivity: Sensitivity can reach above [Specific Value] dB, capable of capturing weak ultrasonic signals.

Portable Design: Lightweight and easy to carry, suitable for field operations.

Multifunctional Display: Equipped with a high-definition color LCD screen, displaying detection results and setting parameters.

Built-in Storage: Can save a large amount of detection data for subsequent analysis.

Long Battery Life: Supports long-duration uninterrupted work.

Quick Location: Helps locate the discharge source through sound indication and numerical display.

Working Principle

Ultrasonic Detection: When partial discharge occurs, ultrasonic signals are generated, which can be captured by ultrasonic sensors.

Signal Amplification and Processing: The signals captured by the sensor are amplified and digitally processed to enhance the signal and remove interference.

Display and Analysis: The processed signals are converted into visual data and charts, displayed on the screen for technicians to analyze.

Technical Parameters

Detection Frequency: 20kHz to 200kHz

Sensitivity: ≥100dB

Dynamic Range: ≥60dB

Battery Life: ≥8 hours

Display Screen: High-definition color LCD, resolution [Specific Resolution]

Dimensions and Weight: [Specific Length]×[Specific Width]×[Specific Thickness], weight [Specific Weight]kg

Operating Temperature: -20℃ to +50℃

Storage Temperature: -40℃ to +70℃

Application Scenarios

Power Transformers: Detect partial discharge phenomena inside transformers.

Switchgear: Including high-voltage switchgear and ring main units.

Cable Joints: Check the insulation condition of cable joints and terminations.

GIS/GCB: Detect partial discharge in gas-insulated switchgear.

Motors: Evaluate the insulation status of motors.

Usage Instructions

Power On: Press the power button to start the device.

Settings: Adjust parameters such as detection frequency and sensitivity.

Detection: Place the probe close to the equipment under test and observe the screen display.

Location: Locate the discharge source based on sound prompts and numerical display.

Data Recording: Save detection data.

Power Off: After detection, press and hold the power button to turn off the device.

Maintenance and Care

Cleaning: Use a soft cloth to wipe the device surface.

Storage: Store in a dry and ventilated place.

Calibration: Regularly calibrate the device.

Safety Precautions

Read Before Operation: Please read the user manual carefully.

Protective Measures: Wear necessary personal protective equipment.

No Touching: Do not touch high-voltage equipment.

Advantages of Broadband

Covering a Wider Signal Range: The broadband design enables the inspection instrument to capture more types of partial discharge signals, improving the comprehensiveness of detection.

Higher Detection Accuracy: Different partial discharge events may generate ultrasonic signals of different frequencies, and the broadband design helps improve detection accuracy.

Better Interference Suppression: By covering a wider frequency range, it can better filter out interference signals from the external environment.

Conclusion

The broadband ultrasonic partial discharge inspection instrument is an important tool in power system maintenance. It helps technicians detect potential partial discharge problems early, thereby taking preventive measures to ensure the safe and stable operation of the power system.



The above is a typical article overview of the broadband ultrasonic partial discharge inspection instrument. Specific product features and parameters may vary depending on different manufacturers and models. If you need detailed information about a specific model, please provide the specific model name or other relevant information.