Motorized Rack-Out Transfer Switch for Redundant Power
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Solution Overview
Problem
Existing bypass-isolation transfer switches require manual operation and visual inspection to disconnect and reconnect transfer-switch mechanisms, which can lead to complexity and potential safety issues like short-circuits, and lack remote control capabilities.
Innovation Solution
An automatic autonomous redundant switch with motorized rack-out mechanisms and powered actuators that allow for remote and simplified operation, enabling automatic failover and redundant switching by controlling transfer-switch mechanisms between connected and isolated positions using an interconnecting bus and controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual operation and visual inspection are used to disconnect and reconnect transfer-switch mechanisms, then operational control is achieved, but device complexity increases and safety risks arise
Solution Approach 1:
The patent replaces manual mechanical operations with an automated control system that uses electrical signals to control the transfer switch mechanisms. The system automatically detects power source status and controls the switching operations, eliminating the need for manual visual inspection and mechanical hand-cranking, thereby improving safety while reducing operational complexity
Solution Approach 2:
The transfer switch system performs self-monitoring and self-control through automated detection of power source availability and automatic execution of switching operations. The system serves itself by automatically managing the transfer between power sources without requiring external manual intervention, thus improving safety and simplifying operation
2Ease of operation
If manual operation is required for transfer switches, then operational control is maintained, but ease of operation deteriorates due to lack of remote control capabilities
Solution Approach 1:
The patent replaces manual mechanical control with an automated electrical control system that can be remotely operated. The system uses electrical signals and control circuits to manage the transfer switch operations, allowing remote control while eliminating the need for physical presence at the device, thereby improving ease of operation without significantly increasing control system complexity
Solution Approach 2:
The control system is designed to perform multiple functions including automatic power source detection, automatic switching control, and remote operation capability. By integrating these functions into a single control system, the patent achieves remote control capability while keeping the overall system complexity manageable through functional integration
Data Source
AI summary
An automatic autonomous redundant switch configured for providing energy from either a first power source or a second power source to a load is provided. The automatic switch includes a first automatic transfer switch (ATS) and a second ATS. The automatic switch further includes an interconnecting bus configured to connect the first ATS and the second ATS, and at least one controller configured to control the operation of the first ATS and the second ATS. Still further, the first ATS and the second ATS each include a respective transfer-switch mechanism, a respective bus attachment configured to connect to the interconnecting bus, and a respective motorized rack-out mechanism having a powered actuator.