Adaptive Voltage Bandwidth for Distribution Networks

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Solution Overview

Problem

Traditional voltage regulation systems in electrical power distribution networks experience excessive wear due to frequent operations caused by rapid variations in power output from distributed energy resources, leading to reduced device lifespan and inefficient voltage regulation.

Innovation Solution

An adaptive voltage bandwidth system that dynamically adjusts the voltage regulation device's bandwidth based on real-time voltage data analysis, reducing unnecessary operations and extending device lifespan while maintaining voltage within acceptable ranges.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a fixed voltage bandwidth is used in traditional voltage regulation systems, then the device operates frequently to maintain voltage within the bandwidth, but this causes excessive wear and reduced device lifespan

Engineering Contradiction:
Improvedevice lifespanVSAvoidvoltage regulation operations frequency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies dynamics by transitioning from a fixed voltage bandwidth to a dynamic, adaptive voltage bandwidth that changes based on real-time voltage data analysis. The control system continuously monitors voltage variations and adjusts the bandwidth accordingly, allowing the system to respond flexibly to changing conditions rather than operating with a static parameter set.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes by modifying the voltage bandwidth parameter based on analyzed voltage data. The control system determines an adjusted voltage bandwidth that reflects current system conditions, thereby changing the operational parameters of the voltage regulation device to optimize both reliability and operational efficiency.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the voltage bandwidth is adjusted dynamically, then unnecessary operations are reduced and device lifespan is extended, but the system complexity increases

Engineering Contradiction:
Improvedevice lifespanVSAvoidcontrol system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent applies feedback by implementing a control system that continuously analyzes voltage data and uses this information to adjust the voltage bandwidth. The system monitors the electrical power distribution network, processes the voltage data to determine appropriate bandwidth adjustments, and implements these changes to optimize device operation and extend lifespan.

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If a fixed voltage bandwidth is used, then the control system is simple, but the system cannot adapt to rapid variations in power output from distributed energy resources

Engineering Contradiction:
Improveadaptability to power variationsVSAvoidcontrol system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by transitioning from a fixed voltage bandwidth to a dynamic, adaptive voltage bandwidth that changes based on real-time voltage data analysis. The control system continuously monitors voltage variations and adjusts the bandwidth accordingly, allowing the system to respond flexibly to changing conditions rather than operating with a static parameter set.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent applies feedback by implementing a control system that continuously analyzes voltage data and uses this information to adjust the voltage bandwidth. The system monitors the electrical power distribution network, processes the voltage data to determine appropriate bandwidth adjustments, and implements these changes to optimize device operation and extend lifespan.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11245262B2Adaptive voltage bandwidth for a voltage regulation device
Publication Date: 2022.02.08 EATON INTELLIGENT POWER LTD
  • US11245262B2 patent drawing
  • US11245262B2 patent drawing
  • US11245262B2 patent drawing

AI summary

A voltage regulation system for an electrical power distribution network that receives electricity from one or more distributed energy resources includes: a voltage regulation device configured to maintain a voltage in the electrical power distribution network to within a voltage bandwidth, the voltage bandwidth including a range of voltages; and a control system coupled to the voltage regulation device, the control system configured to: analyze voltage data, the voltage data including a plurality of voltage samples, each of the voltage samples representing the voltage in the electrical power distribution network at a time within a period of time; determine an adjusted voltage bandwidth for the voltage regulation device based on the analysis; and change the voltage bandwidth of the voltage regulation device to the adjusted voltage bandwidth.