Transformer Acoustic Monitoring for Partial Discharge and Vibration

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Solution Overview

Problem

Existing transformer monitoring systems fail to effectively detect abnormal operating conditions such as partial discharge, vibration, combustible gases, and sound frequency anomalies, which can lead to transformer failures and downtime.

Innovation Solution

A diagnostic tool comprising a control circuit, a housing structure, and a transformer structure that captures and analyzes audible sounds and vibrations to detect frequencies indicative of abnormal conditions, triggering an alarm and messaging facility to a remote monitoring station.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If existing transformer monitoring systems are used, then basic monitoring is provided, but they fail to effectively detect abnormal operating conditions such as partial discharge, vibration, combustible gases, and sound frequency anomalies

Engineering Contradiction:
Improvedetection effectivenessVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple monitoring functions (partial discharge detection, vibration analysis, combustible gas detection, and sound frequency monitoring) into a single integrated control circuit. This merging approach improves detection effectiveness by enabling comprehensive monitoring of multiple abnormal conditions simultaneously, while the integration helps manage system complexity through unified control architecture.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The control circuit is designed with multi-functionality to detect and analyze various types of abnormal conditions including partial discharge, vibration patterns, combustible gas presence, and sound frequency anomalies. This universal monitoring capability allows the system to effectively detect diverse abnormal operating conditions using a single device, improving overall reliability without requiring separate specialized systems for each detection type.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If comprehensive monitoring of multiple abnormal conditions is implemented, then detection accuracy is improved, but system complexity increases

Engineering Contradiction:
Improveabnormal condition detection accuracyVSAvoidmonitoring system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

Multiple sensing and analysis functions are merged into a single control circuit that can simultaneously monitor partial discharge, vibration, gas composition, and sound frequencies. This consolidation maintains high measurement precision for detecting abnormal conditions while reducing overall system complexity by eliminating the need for separate independent monitoring systems for each parameter.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The control circuit incorporates self-service capabilities by automatically analyzing captured sounds and vibrations to determine whether abnormal conditions exist. The system performs self-diagnosis and automatically triggers alarm signals when anomalies are detected, eliminating the need for complex external analysis systems and maintaining high detection accuracy through integrated intelligent processing.

Inventive Principle:
Principle #25Self-service

3Reliability

If real-time monitoring and alerting is provided, then transformer failure risk is reduced, but energy consumption increases

Engineering Contradiction:
Improvetransformer operational reliabilityVSAvoidmonitoring system energy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The control circuit employs periodic action by capturing and analyzing sounds at specific frequency ranges associated with abnormal conditions rather than continuously monitoring all frequencies. The system periodically assesses whether captured sounds indicate abnormal conditions and only triggers alarm signals when anomalies are detected, enabling real-time monitoring capability while reducing overall energy consumption through selective rather than continuous full-power operation.

Inventive Principle:
Principle #19Periodic action

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The system provides real-time monitoring and alerting for abnormal transformer conditions, enabling timely intervention and reducing the risk of transformer failures and associated downtime.

Implementation Method 1

The control circuit captures audible sounds generated by the transformer structure

Methodology Applied
Scientific EffectAcoustic emission: Acoustic Emission

Data Source

PatentUS12266251B1Faulty transformer partial discharge, vibration, combustible gases, and sound frequency monitor and alarm
Publication Date: 2025.04.01 DHLAMINI SIZWE
  • US12266251B1 patent drawing
  • US12266251B1 patent drawing
  • US12266251B1 patent drawing

AI summary

The faulty transformer partial discharge, vibration, combustible gases, and sound frequency monitor and alarm is an electric circuit. The faulty transformer partial discharge, vibration, combustible gases, and sound frequency monitor and alarm is a diagnostic tool. The faulty transformer partial discharge, vibration, combustible gases, and sound frequency monitor and alarm comprises a control circuit, a housing structure, and a transformer structure. The housing structure contains the control circuit. The housing structure attaches the control circuit to the transformer structure. The control circuit captures audible sounds generated by the transformer structure. The control circuit analyzes the captured audible sounds.