An ultrasonic partial discharge inspection and locator is a professional device used to detect partial discharge phenomena in power equipment. It utilizes ultrasonic technology to detect and locate the areas where partial discharge occurs. Below is an overview of an article about the ultrasonic partial discharge inspection and locator:
Ultrasonic Partial Discharge Inspection and Locator
Introduction
Partial discharge detection is an important part of power system maintenance, which is of great significance for preventing power equipment failures and improving system reliability. As an efficient and convenient detection method, the ultrasonic partial discharge inspection and locator plays a crucial role in the maintenance and monitoring of power equipment.
Product Overview
Name: Ultrasonic Partial Discharge Inspection and Locator
Model: [Specific Model]
Manufacturer: [Manufacturer Name]
Main Features
Non-contact detection: It can detect without contacting the equipment, reducing safety risks.
High sensitivity: It can capture weak ultrasonic signals.
Multiple display modes: It provides various display methods for users to choose according to their needs.
Quick positioning: It helps locate the discharge source through sound indication and numerical display.
Data storage and transmission: It supports data storage and downloading to a computer via interfaces (such as USB) for further analysis.
Multiple detection frequencies: It supports frequency ranges under different detection modes, typically from 20kHz to 200kHz.
Technical Parameters
Detection frequency: 20kHz to 200kHz
Sensitivity: [Specific Sensitivity Value]
Dynamic range: [Specific Dynamic Range Value]
Battery life: ≥8 hours
Display: 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℃
Power supply: AC 220V±10%, 50Hz, power, fuse 0.5A
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
Startup preparation: Turn on the device and select the appropriate detection mode.
Detection: Place the sensor close to the equipment under test and observe the screen display.
Positioning: Locate the discharge source based on sound prompts and numerical display.
Data recording: Save the detection data.
Shutdown: 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: Calibrate the device regularly.
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.
Working Principle
The working principle of the ultrasonic partial discharge inspection and locator is based on the detection of physical phenomena and electrical signal changes generated during partial discharge. Its core components include:
Ultrasonic sensor: Used to capture ultrasonic signals generated by partial discharge.
Preamplifier: Used to capture and amplify weak ultrasonic signals transmitted from high-voltage equipment.
Filter: Selects signals within a specific frequency range to exclude interference.
Main amplifier: Further amplifies the signal to a detectable level.
Display unit: Displays graphical and numerical information of discharge pulses.
Advantages and Features
Non-contact detection: It can detect without contacting the equipment, reducing safety risks.
High sensitivity: It can capture weak ultrasonic signals.
Quick positioning: It helps locate the discharge source through sound indication and numerical display.
Multiple display modes: It provides various display methods for users to choose according to their needs.
Data storage and transmission: It supports data storage and downloading to a computer via interfaces (such as USB) for further analysis.
Conclusion
The ultrasonic partial discharge inspection and locator is an important tool in power system maintenance. It helps technical personnel 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 ultrasonic partial discharge inspection and locator. Specific product features and parameters may vary depending on the manufacturer and model. If you need detailed information about a specific model, please provide the specific model name or other relevant information.
