Power Distribution Controller for Turbine Speed Control
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Solution Overview
Problem
Auxiliary power generation systems that rely on fluid energy, such as wind or water, face inefficiencies due to varying fluid pressures, leading to suboptimal turbine shaft speeds and reduced power generation, potentially causing equipment damage from overspeeding.
Innovation Solution
A power distribution controller with electronic circuitry that monitors and adjusts power distribution between a turbine-generator system and a diversion load to maintain optimal turbine shaft speed, ensuring maximum energy extraction by diverting power accordingly based on fluid pressure and consumption demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the turbine shaft rotates faster to generate more electrical power, then the electrical power output increases, but the turbine extracts less energy from the fluid and the shaft may overspeed causing damage
Solution Approach 1:
An electrical load is introduced as an intermediary component between the generator and the turbine shaft. This load acts as a controlled energy sink that can absorb excess electrical power, thereby maintaining optimal turbine shaft speed and preventing overspeed damage while allowing the system to operate at maximum power generation capacity.
Solution Approach 2:
The electrical load is adjusted dynamically based on system conditions to change the electrical power consumption parameter. By varying the load parameter, the system maintains the turbine shaft speed at its optimal value across different operating conditions, ensuring both maximum power generation and reliable operation.
2Loss of energy
If the turbine shaft rotates slower to extract maximum energy from fluid, then energy extraction efficiency increases, but the electrical power generated decreases
Solution Approach 1:
The electrical load serves as a mediator that resolves the conflict between energy extraction efficiency and power generation. By controlling the load, the system can operate the turbine at its optimal speed for maximum energy extraction while the load management ensures that the electrical power output meets demand requirements.
Solution Approach 2:
The system uses feedback control where the electrical load is adjusted based on the turbine shaft speed and power generation levels. This feedback mechanism ensures that the turbine operates at the speed that maximizes energy extraction from the fluid while maintaining the required electrical power output through dynamic load management.
3Adaptability or versatility
If fluid pressure varies in remote areas, then adaptability to environment improves, but turbine shaft speed becomes suboptimal reducing power generation
Solution Approach 1:
The electrical load is made dynamic rather than fixed, allowing it to adjust continuously in response to varying fluid pressure conditions. This dynamic adaptation enables the turbine to maintain optimal shaft speed across different environmental conditions, preserving power generation efficiency while adapting to remote area variations.
Solution Approach 2:
The system changes the electrical load parameter in response to fluid pressure variations. By adjusting this parameter dynamically, the turbine shaft speed is maintained at its optimal value despite changes in fluid pressure, ensuring consistent power generation efficiency across different environmental conditions.
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
This solution allows for efficient and stable power generation across varying fluid pressures, maximizing energy extraction and extending the lifespan of turbine and generator components by maintaining optimal rotational speeds.
Implementation Method 1
a turbine that extracts some of the fluid's energy (in the form of fluid pressure or head) to rotate a turbine shaft
Implementation Method 2
a generator that takes some of the energy in the rotating turbine shaft to move a magnet, and thus a magnetic field, across an electrically conductive material (typically a coil of copper wire) to generate a voltage in the material
Data Source
AI summary
A power distribution controller includes electronic circuitry operable to receive power and distribute power, for simultaneous consumption, to a first power load and to one or more second power loads. The electronic circuitry is also operable to monitor the amount of power consumed by the one or more second power loads, and determine whether or not the received power is or substantially is the maximum amount of power available to be received. In response to the amount of power consumed by the one or more second power loads, and the amount of received power relative to the maximum amount of power available to be received, the electronic circuitry diverts power to the first power load to cause the received power to be or substantially be the maximum amount of power available to be received.