Generator Output Circuit Control for Fast Overload Prevention
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Solution Overview
Problem
Generators, such as gasoline generators, face challenges in managing overload conditions when performing multiple outputs, with existing solutions like time-sharing output resulting in low utilization and coordinated power control being slow in response.
Innovation Solution
The method involves at least two output circuits on the generator's output end, with one circuit designated as a target controlled circuit. By obtaining and calculating various voltage and current values, a drive signal is generated to regulate the output power of the target controlled circuit, preventing overload without relying on additional communication between output circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If time-sharing output is used to avoid overload, then overload is prevented, but generator utilization is reduced
Solution Approach 1:
The patent implements continuous power regulation by dynamically adjusting the output power of the target controlled circuit based on real-time monitoring of generator output power. This allows the generator to continuously operate within safe limits while maximizing utilization, eliminating the need for time-sharing interruptions. The control unit continuously calculates the difference between current and maximum output power, and adjusts the target controlled circuit accordingly to maintain continuous useful action.
2Productivity
If coordinated power control through communication is used, then power distribution is optimized, but response speed is reduced
Solution Approach 1:
The patent implements a self-service control mechanism where the target controlled circuit autonomously adjusts its output power based on direct monitoring of generator parameters. The control unit within the target controlled circuit independently calculates the power difference and generates adjustment signals without requiring communication with other circuits. This eliminates communication delays while achieving optimized power distribution through real-time feedback control.
3Adaptability or versatility
If additional communication circuits are added for coordinated control, then power management capability is improved, but device complexity increases
Solution Approach 1:
The patent merges the control function into the existing target controlled circuit by integrating a control unit that directly monitors generator output power and automatically adjusts its own output. This combines the monitoring and control functions within a single circuit, eliminating the need for separate communication circuits between multiple output paths. The control unit is configured to obtain generator output power, calculate the difference from maximum power, and generate adjustment signals, all within the target controlled circuit itself.
Data Source
AI summary
A method for controlling an output power of a generator is provided. A target control variable used for controlling a target controlled circuit can be determined according to an output voltage value of the generator, an output current value of the target controlled circuit, an output voltage value of the target controlled circuit, an overload voltage reference value of the generator, an output voltage reference value of the target controlled circuit, and an output current reference value of the target controlled circuit, and a corresponding drive signal is generated according to the target control variable, to regulate an output power of the target controlled circuit.