Photovoltaic DC-DC Converter Dynamic Voltage Control
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Solution Overview
Problem
Conventional solar power systems face challenges in maintaining consistent and efficient voltage output due to variations in operating conditions among individual solar sources, leading to inefficiencies and potential regulatory violations, as they rely on statically set voltage output limits that cannot be adjusted in real-time.
Innovation Solution
The implementation of dynamically adjustable voltage output limits for photovoltaic DC-DC power converters, which receive external state parameters to adjust voltage output limits in real-time, allowing for compensation for changes in system conditions and maintaining optimal operation within regulatory bounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If statically set voltage output limits are used for photovoltaic DC-DC power converters, then device simplicity is maintained, but the system cannot adapt to changing operating conditions leading to inefficiency and potential regulatory violations
Solution Approach 1:
The patent implements dynamically adjustable voltage output limits that automatically adapt to changing operating conditions such as temperature and insolation variations. The control mechanism transitions from static to dynamic, allowing the voltage limits to be modified in real-time based on environmental parameters and system performance, thereby resolving the contradiction between adaptability and complexity.
Solution Approach 2:
The system incorporates feedback mechanisms that monitor operating conditions and system performance, then adjust voltage output limits accordingly. This closed-loop control enables the system to respond to changing conditions while maintaining compliance with regulatory requirements, achieving adaptability through intelligent feedback-based adjustment rather than complex manual intervention.
2Productivity
If voltage output limits are dynamically adjusted to maintain efficient operation, then system efficiency and compliance are improved, but control mechanism complexity increases
Solution Approach 1:
The patent enables the photovoltaic DC-DC power converter to automatically adjust its own voltage output limits based on monitored operating conditions without requiring external intervention. This self-service capability allows the system to maintain optimal efficiency and compliance autonomously, achieving high productivity while limiting complexity growth through self-regulation rather than complex external control systems.
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 approach enables the solar power system to maintain efficient operation and compliance with regulatory voltage limits by dynamically adjusting voltage output limits, ensuring the system operates within optimal parameters even under changing conditions, thereby improving overall efficiency and reliability.
Implementation Method 1
A photovoltaic DC-DC power converter having a DC photovoltaic input that accepts power from said DC photovoltaic output
Data Source
AI summary
Methods and apparatus may provide for the adaptive operation of a solar power system (3). Solar energy sources (1) and photovoltaic DC-DC power converters (2) may be interconnected in serial, parallel, or combined arrangements. DC photovoltaic power conversion may be accomplished utilizing dynamically adjustable voltage output limits (8) of photovoltaic DC-DC power converters (2). A photovoltaic DC-DC power converter (2) may include at least one external state data interface (7) receptive to at least one external state parameter of a solar power system (3). A dynamically adjustable voltage output limit control (12) may be used to relationally set a dynamically adjustable voltage output limit (8) of a photovoltaic DC-DC power converter (2). Dynamically adjusting voltage output limits (8) may be done in relation to external state parameter information to achieve desired system results.