Integrated Current Transformer Module for Multi-Parameter Monitoring
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Solution Overview
Problem
Existing NH fuse switch disconnectors lack the capability to easily measure and monitor multiple electrical parameters simultaneously, requiring on-site technician intervention and limited to single-parameter display, which is inefficient and labor-intensive.
Innovation Solution
A current transformer system integrated with evaluation electronics that converts current into measurement voltage, allowing determination of various parameters, and connects to a bus system for remote monitoring and display, enabling simultaneous multi-parameter monitoring without on-site technician presence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If plug-in current transformers are mounted on feed contacts with separate connecting cables, then current measurement capability is achieved, but installation complexity and labor requirements increase
Solution Approach 1:
The patent combines multiple current transformers and their evaluation electronics into a single integrated current transformer module. This module is mounted as one unit on the housing, eliminating the need for separate cable connections for each transformer and reducing installation complexity while maintaining measurement capabilities.
Solution Approach 2:
The current transformer module is designed to measure multiple electrical parameters (current, voltage, power, energy, frequency, power factor) simultaneously through integrated evaluation electronics. This multi-functional approach replaces multiple separate measurement devices, reducing both installation complexity and the number of components required.
2Adaptability or versatility
If separate evaluation devices are connected to each current transformer, then parameter monitoring capability is achieved, but device complexity and cost increase
Solution Approach 1:
The patent integrates multiple evaluation electronics functions into a single module that processes signals from multiple current transformers. This unified evaluation device can monitor multiple parameters simultaneously and connect to a single display device, reducing the number of separate components while maintaining comprehensive monitoring capability.
Solution Approach 2:
The integrated evaluation electronics are designed to handle multiple electrical parameters (current, voltage, power, energy, frequency, power factor) and can selectively output these parameters to display devices. This multi-functional evaluation system replaces multiple specialized devices, reducing overall system complexity.
3Ease of operation
If technicians connect current transformers to display devices on-site, then parameter display capability is achieved, but installation time and labor costs increase
Solution Approach 1:
The current transformer module with integrated evaluation electronics is pre-assembled and pre-configured during manufacturing. This preliminary integration means that during installation, the module is simply mounted as a complete unit without requiring on-site technicians to perform complex wiring and configuration tasks, significantly reducing installation time.
Solution Approach 2:
By combining current transformers, evaluation electronics, and connection terminals into a single pre-integrated module, the system eliminates the need for on-site assembly and wiring. The module arrives ready-to-install, reducing both installation time and the skill level required for installation.
4Adaptability or versatility
If multiple separate current transformers are installed for multi-parameter monitoring, then measurement comprehensiveness is achieved, but system complexity and cost increase
Solution Approach 1:
The integrated current transformer module incorporates multiple current transformers and evaluation electronics that can simultaneously measure and display multiple electrical parameters including current, voltage, power, energy, frequency, and power factor. This single multi-functional module replaces what would otherwise require multiple separate devices, improving monitoring efficiency while maintaining comprehensive parameter coverage.
Solution Approach 2:
The patent merges multiple measurement functions and evaluation capabilities into a single integrated module that provides comprehensive multi-parameter monitoring. This consolidation reduces the number of components, simplifies the system architecture, and improves overall monitoring efficiency while maintaining the ability to track all essential electrical parameters.
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 remote, efficient monitoring and recording of multiple parameters for each outgoing contact, reducing labor and enabling easier troubleshooting by allowing connection to a bus system for data transmission and display, even when multiple disconnectors or strips are involved.
Implementation Method 1
A current transformer system (9) with a current transformer with which the current flowing from the feed contact to the outgoing contact can be detected and converted into a measurement voltage
Data Source
AI summary
The system (9) has a current transformer for detecting current flowing from a feeding contact to an output contact, and converting the current into a measurement voltage. An evaluation electronics unit determines a variable such as an electric current flowing through the transformer, a reference current intensity, lowest and highest values of the current, an electrical voltage applied to the transformer, a reference voltage, a frequency of applied voltage, a reference frequency, and a power factor based on the measurement voltage. A terminal (8) connects the system to a bus system. An independent claim is also included for a low voltage-high voltage fuse circuit breaker or fuse switching strip.