Distribution Interconnection System for Utility Grid Management

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Solution Overview

Problem

Utilities face cumbersome and costly paper processes when managing interconnections for customers with their own generation systems, including tracking unauthorized operators and energy theft, which is inefficient and time-consuming.

Innovation Solution

A distribution interconnection system that streamlines the application process, provides status updates, and manages unauthorized operators through a reverse power flow detection process, allowing for a Fast Track option to bypass inspections and automate tracking and reporting of unauthorized systems.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual paper processes are used for tracking and managing interconnections, then utilities can maintain detailed records of applications and unauthorized operators, but the process becomes cumbersome and costly with increased time requirements

Engineering Contradiction:
Improvetracking accuracyVSAvoidprocessing time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent replaces manual paper-based processes with an automated computer system that electronically stores and processes interconnection application data. The system automatically retrieves application information from databases, eliminates manual data entry and paper handling, and provides electronic tracking of application status and unauthorized operator reports, thereby reducing processing time while maintaining reliability

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

Solution Approach 2:

The system creates and maintains electronic copies of interconnection application data in accessible databases. Multiple users can simultaneously access and view the same data without requiring physical paper copies, eliminating the need for manual distribution and storage of paper records while ensuring data consistency and reliability

Inventive Principle:
Principle #26Copying

2Measurement precision

If manual matching of customer applications with utility records is performed, then accuracy can be verified, but the process becomes time-consuming and labor-intensive

Engineering Contradiction:
Improvedata accuracyVSAvoidverification speed
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The system replaces manual data matching with automated computer-based retrieval and comparison processes. The computer system automatically queries utility databases using application data, performs matching operations, and identifies discrepancies without human intervention, thereby maintaining verification accuracy while dramatically increasing processing speed and productivity

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

Solution Approach 2:

The system enables self-verification by automatically comparing application data against utility records and generating match results. The automated process performs its own validation and accuracy checking without requiring manual verification steps, allowing the system to maintain data accuracy while operating at high speed

Inventive Principle:
Principle #25Self-service

3Reliability

If utilities send inspectors to perform final inspections at customer locations, then interconnection safety can be verified, but the process increases operational costs and time requirements

Engineering Contradiction:
Improveinspection qualityVSAvoidprocess complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system performs preliminary automated verification of application data, equipment certifications, and interconnection requirements before field inspections are dispatched. By pre-validating documentation and identifying potential issues through automated database queries, the system prepares inspection packets in advance, allowing field inspectors to focus on actual field verification rather than administrative tasks, thereby maintaining inspection quality while reducing overall process complexity

Inventive Principle:
Principle #10Preliminary action

4Reliability

If manual tracking of unauthorized operators is performed through spreadsheets, then utilities can monitor energy theft and unauthorized generation, but the process becomes inefficient and difficult to update in real-time

Engineering Contradiction:
Improvemonitoring accuracyVSAvoidtracking efficiency
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system replaces manual spreadsheet tracking with an automated computer-based monitoring system that continuously queries utility databases for reverse power flow events and unauthorized operation indicators. The system automatically updates tracking records, generates reports, and alerts appropriate personnel in real-time, maintaining monitoring accuracy while dramatically improving ease of operation and responsiveness

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

Solution Approach 2:

The system implements continuous feedback loops where automated queries detect unauthorized operations, trigger alerts, and update tracking records in real-time. This closed-loop system automatically responds to new information without manual intervention, ensuring monitoring accuracy while maintaining ease of operation through automated updates and real-time visibility

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS9613359B2Distribution interconnection information systems and methods
Publication Date: 2017.04.04 SAN DIEGO GAS & ELECTRIC CO
  • US9613359B2 patent drawing
  • US9613359B2 patent drawing
  • US9613359B2 patent drawing

AI summary

A distribution interconnection system processes and manages interconnections into the distribution system for utilities. Various embodiments may manage and facilitate the application process. In addition, utilities may track and manage unauthorized operators, for example, via a reverse power flow detection process.