Transformer Monitoring via Wireless Electromagnetic Signal Detection

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Solution Overview

Problem

Current methods for monitoring transformers are invasive and require downtime, making reliable and cost-effective networking challenging, especially for power grids that need real-time energy flow monitoring to predict supply and demand.

Innovation Solution

A method for networked monitoring of transformers using contactless and wireless electromagnetic signal reception, allowing for frequency evaluation and parameter determination without interrupting the transformer's operation, using a monitoring component that can receive signals at a distance and transmit data to a central processing system for evaluation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If invasive monitoring methods are used to obtain accurate transformer parameters, then measurement precision is improved, but device complexity and installation cost increase significantly

Engineering Contradiction:
Improvetransformer parameter measurementVSAvoidmonitoring system installation
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces physical cable connections and mechanical sensor attachments with wireless electromagnetic signal reception. The monitoring component receives transformer parameters wirelessly through electromagnetic signals without requiring physical contact or invasive installation, thereby maintaining measurement precision while eliminating complex mechanical installation requirements.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces wireless electromagnetic signals as an intermediary carrier to transmit transformer parameter information from the transformer to the monitoring component. This intermediary enables accurate parameter measurement without direct physical connection, reducing installation complexity while preserving measurement accuracy.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If physical connection methods are used to monitor transformer parameters, then measurement reliability is improved, but loss of time increases due to required shutdowns

Engineering Contradiction:
Improvemonitoring data accuracyVSAvoidtransformer downtime
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent enables continuous monitoring of transformer parameters during normal operation by receiving wireless electromagnetic signals without requiring transformer shutdown. This maintains measurement reliability through continuous data collection while eliminating time loss associated with physical connection installation and transformer downtime.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

By replacing mechanical cable connections with wireless electromagnetic signal reception, the system eliminates the need to shut down transformers for installation, thereby maintaining reliable measurements while preventing time loss from downtime and power interruption.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Productivity

If multiple transformers are monitored simultaneously using traditional methods, then productivity is improved, but device complexity and cost increase significantly

Engineering Contradiction:
Improvenumber of transformers monitoredVSAvoidmonitoring infrastructure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The monitoring component is designed with universal functionality to receive and process electromagnetic signals from multiple different transformers using the same hardware and software. This single device can monitor multiple transformers simultaneously without requiring separate dedicated monitoring systems for each transformer, thereby increasing productivity while reducing overall system complexity.

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

Solution Approach 2:

The patent combines multiple monitoring capabilities into a single integrated monitoring component that can simultaneously track parameters from multiple transformers. By merging these functions into one device rather than using separate monitoring systems, the overall infrastructure complexity and cost are reduced while maintaining the ability to monitor multiple transformers.

Inventive Principle:
Principle #5Merging (Combining)

4Ease of operation

If wireless monitoring is implemented without physical contact, then ease of operation is improved, but measurement precision may deteriorate

Engineering Contradiction:
Improvemonitoring component installationVSAvoidtransformer parameter detection
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent replaces mechanical cable connections with wireless electromagnetic signal reception, achieving ease of operation through contactless installation while maintaining measurement precision through optimized signal reception algorithms and antenna design that accurately capture transformer parameter data without physical contact.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enables real-time monitoring of transformer parameters without physical contact or downtime, facilitating flexible grid management and reducing operational costs by allowing simultaneous monitoring of multiple transformers with minimal computational effort.

Implementation Method 1

receiving, preferably contactless and/or wireless receiving, an electromagnetic signal by a monitoring component at at least or exactly one active transformer

Methodology Applied
Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Data Source

PatentUS20230221383A1Method for The Networked Monitoring of At Least One Transformer
Publication Date: 2023.07.13 E ON DIGITAL TECH GMBH
  • US20230221383A1 patent drawing
  • US20230221383A1 patent drawing
  • US20230221383A1 patent drawing

AI summary

The invention relates to a method for networked monitoring of at least one transformer (5), wherein the following steps/stages are performed:receiving (110) an electromagnetic signal (210) by a monitoring component (20) at the active transformer (5), the signal (210) being specific to at least one transformer parameter of the transformer (5),carrying out a frequency evaluation (120) based on the received signal (210) by the monitoring component (20),outputting (130) monitoring information (240) about a result of the frequency evaluation (120) to a network (70) for transmission to a processing system (80) for evaluation (140) of the transformer parameter based on the monitoring information (240).