Wind Power Generator With Power-Split Mechanism for Motor Drives
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Solution Overview
Problem
Existing wind power generators suffer from energy inefficiency due to the need to supply power to a second motor generator for operation, which can lead to waste and increased power consumption.
Innovation Solution
A wind power generator configuration that includes a power split mechanism and a rotation restricting mechanism, allowing power generated by a wind turbine to be distributed to both a first and a second motor generator, enabling the second motor generator-driven mechanisms to operate without additional power supply, and reducing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If power is supplied to the second motor generator to drive mechanisms, then the mechanisms can operate, but power consumption increases and energy efficiency decreases
Solution Approach 1:
The power transmission system is segmented into multiple paths through the power split mechanism. One path transmits power from the wind turbine to the first motor generator for electricity generation, while another path transmits power to the second motor generator to drive mechanisms, eliminating the need for external power supply to the second motor generator
Solution Approach 2:
The power split mechanism merges the power transmission functions of two separate systems into one integrated system. The wind turbine power is simultaneously directed to both the first motor generator (for power generation) and the second motor generator (for mechanism operation), combining power generation and mechanism driving functions
2Adaptability or versatility
If a second motor generator is used to drive mechanisms, then mechanisms can be operated, but the system complexity increases
Solution Approach 1:
The power split mechanism serves multiple functions: it distributes power to the first motor generator for electricity generation, transmits power to the second motor generator for mechanism operation, and enables the system to operate in different modes (power generation mode, mechanism operation mode, or both simultaneously) based on wind conditions
Data Source
AI summary
A wind power generator may include a wind turbine, a first motor generator configured to be driven by the wind turbine, a second motor generator, at least one mechanism configured to be driven by the second motor generator, a power split mechanism that couples a first shaft connected to the first motor generator, a second shaft connected to the second motor generator, and a third shaft to each other such that the first shaft, the second shaft, and the third shaft are configured to rotate differentially with respect to each other, and a rotation restricting mechanism configured to prohibit or restrict rotation of the third shaft.