Wind Turbine Cooling Power Control for Output-Dependent Heat Management
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Solution Overview
Problem
Existing cooling systems for wind turbine generators struggle to maintain optimal power generation efficiency while ensuring cooling efficiency and reliability, particularly in managing temperature-sensitive components.
Innovation Solution
A cooling control method and system that utilizes electric energy output by the wind turbine generator to adjust the consumption power of cooling devices based on output power and rated power, incorporating temperature-based and hysteresis controls to optimize cooling power according to operational states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cooling power is increased to ensure cooling efficiency and reliability, then the temperature control of critical components is improved, but the power generation efficiency of the turbine decreases due to higher energy consumption by cooling devices
Solution Approach 1:
The cooling control system dynamically adjusts the operating state of cooling devices based on real-time temperature monitoring and output power levels. The controller modifies cooling power consumption to match actual thermal conditions, transitioning from static full-power cooling to adaptive dynamic control, thereby resolving the contradiction between maintaining cooling reliability and preserving power generation efficiency.
Solution Approach 2:
The system changes the operating parameters of cooling devices (power consumption, operational state) based on detected temperature and output power conditions. By adjusting these parameters according to actual thermal loads and generation levels, the system optimizes the balance between cooling effectiveness and energy efficiency, addressing the contradiction between reliability and productivity.
2Productivity
If the cooling power is reduced to maintain power generation efficiency, then the energy consumption of cooling devices decreases, but the cooling efficiency and reliability deteriorate
Solution Approach 1:
The cooling control system implements feedback control by continuously monitoring temperature of critical components and output power, then using this information to adjust cooling device operation. The controller receives temperature signals and modulates cooling power accordingly, ensuring cooling reliability is maintained only when necessary, thus resolving the contradiction between productivity and reliability.
Solution Approach 2:
The system transitions from static cooling operation to dynamic adaptive control, where cooling power consumption varies in real-time based on actual thermal conditions and generation levels. This dynamic adjustment ensures cooling reliability is optimized without unnecessarily sacrificing power generation efficiency.
3Reliability
If temperature-based control is used to adjust cooling power, then the cooling response to temperature changes is improved, but the system cannot account for variations in output power affecting optimal cooling requirements
Solution Approach 1:
The cooling control system performs multiple functions by simultaneously considering both temperature conditions and output power levels when determining optimal cooling operation. The controller integrates thermal management with power generation status, making the system adaptable to varying operational conditions and resolving the contradiction between temperature control responsiveness and adaptability to power variations.
Solution Approach 2:
The system adjusts cooling parameters based on combined temperature and power output conditions, changing operational state, power consumption, and cooling intensity according to the specific combination of thermal and generation parameters. This multi-parameter control approach enhances both temperature responsiveness and adaptability to power variations.
4Reliability
If the cooling device operates at full power to ensure adequate cooling, then the temperature of critical components is reliably controlled, but the energy consumption increases and wind energy utilization decreases
Solution Approach 1:
The cooling control system applies partial cooling action by operating cooling devices at reduced power levels when full cooling capacity is not required. By providing only the necessary cooling based on actual thermal conditions and power output, the system improves wind energy utilization while maintaining adequate temperature control reliability.
Solution Approach 2:
The system changes the power consumption parameter of cooling devices from fixed full-power operation to variable operation based on temperature and power output conditions. This parameter adjustment optimizes the balance between temperature control reliability and wind energy utilization by matching cooling intensity to actual needs.
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
Enhances the utilization of wind energy, improves electromagnetic properties and heat dissipation, and extends the lifetime and reliability of critical components by dynamically adjusting cooling power based on output power and temperature thresholds.
Implementation Method 1
a cooling device which at least partially utilizes electric energy output by the wind turbine generator to cool the wind turbine generator
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The present disclosure discloses a cooling control method and system of a wind turbine generator, a device and a storage medium, where a cooling device at least partially uses electric energy output from the wind turbine generator to cool the wind turbine generator. The cooling control method includes: S 1, obtaining an output power of the wind turbine generator; and S2, controlling a consumption power of the cooling device according to the output power of the wind turbine generator and a rated power of the wind turbine generator. The present disclosure enables regulating the consumption power of the cooling device depending on the output power of the wind turbine generator, so as to optimize utilization of wind energy, improve the comprehensive performance of the turbine such as electromagnetic properties and heat dissipation, and improve the reliability and durability of critical components affected by temperature within the turbine.