Multi-Bus Power Conversion Circuit for AC/DC Switching
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Solution Overview
Problem
Existing electric power systems face challenges in efficiently converting and managing power between different power buses, particularly in handling direct current (DC) and alternating current (AC) power sources and loads.
Innovation Solution
The development of power conversion devices that incorporate power converter circuitry and switching circuitry, enabling efficient conversion between DC and AC power, as well as between different power buses, using various conversion circuitries and switching arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If power conversion devices are used to convert between DC and AC power and between different power buses, then power distribution flexibility and efficiency are enhanced, but device complexity increases
Solution Approach 1:
The power conversion device is designed to perform multiple functions: converting between DC and AC power, converting between different voltage levels, and switching between different power buses. This multi-functionality allows a single device to replace what would otherwise require multiple separate devices, enhancing power distribution flexibility while managing complexity through integration.
Solution Approach 2:
The power conversion device acts as an intermediary between different power buses and power sources. It includes switching circuitry that can selectively connect different power sources to different power buses, and conversion circuitry that mediates between different power types (AC/DC) and voltage levels, enabling flexible power distribution without requiring direct connections between all components.
2Adaptability or versatility
If multiple power buses with different voltage levels are implemented, then power distribution versatility improves, but system complexity increases
Solution Approach 1:
The power distribution system is segmented into multiple power buses with different voltage levels (first power bus, second power bus, third power bus), each serving different power sources and loads. The power conversion device includes separate conversion circuits for each bus pair, allowing independent control and conversion between different voltage levels, which manages complexity through modular segmentation while achieving versatility.
Solution Approach 2:
The switching circuitry in the power conversion device is designed to dynamically connect and disconnect different power sources to different power buses based on system conditions. The circuitry can adaptively switch between different power conversion paths, enabling the system to handle varying power distribution requirements without requiring a fixed, complex wiring arrangement.
Data Source
AI summary
Systems, apparatuses, and methods are described for power conversion to, from, and/or between different power buses. The power conversion may be from a power source to a power bus, from a power bus to a power source, between a first power bus and a second power bus, etc. The power conversion may be from a DC power source and/or an AC power source to a DC bus and/or an AC bus. The power conversion may be from a DC bus and/or an AC bus to a DC power source that may be chargeable and/or configured to receive power. The power conversion may be from a DC bus to an AC bus, from an AC bus to a DC bus, from a first DC bus to a second DC bus, from a first AC bus to a second AC bus, etc. One or more of the buses may be for backup loads.