Compensation Circuit Dynamic RC Adjustment for Energy Storage Load Response
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Solution Overview
Problem
Traditional compensation circuits in energy storage devices have fixed resistance and capacitance, limiting their ability to provide varying compensation values and resulting in a constant response time, which cannot be adjusted to quickly support changes in load demands.
Innovation Solution
A compensation circuit with a first error amplifier, switching units, an RC network, a voltage recording module, and a logic control module that dynamically adjusts resistance or capacitance based on sensing loop changes, allowing for different compensation values and faster response times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If fixed resistance and capacitance are used in the compensation circuit, then the circuit structure is simple, but the response time cannot be adjusted and cannot quickly respond to load changes
Solution Approach 1:
The patent applies the dynamics principle by making the resistance and capacitance values adjustable rather than fixed. The compensation circuit includes switching units that can dynamically change the RC network configuration based on different working conditions (charging, discharging, voltage levels), enabling the response time to be adapted to different load change scenarios while maintaining circuit functionality.
Solution Approach 2:
The patent implements parameter changes by varying the resistance and capacitance values in the compensation circuit according to different operating modes. The logic control module adjusts the RC network parameters based on detection signals from the detection circuit, allowing the compensation value and response time to be optimized for different sensing loops and load conditions.
2Adaptability or versatility
If fixed compensation value is provided, then the circuit design is simple, but different sensing loops cannot receive appropriate compensation for different load changes
Solution Approach 1:
The patent applies segmentation by dividing the compensation circuit into multiple independent RC networks (first RC network, second RC network, etc.), each with adjustable resistance and capacitance values. This allows different compensation values to be provided for different sensing loops based on their specific load change characteristics, while each segment can be independently optimized.
Solution Approach 2:
The compensation circuit is designed with multi-functionality to serve different sensing loops (voltage sensing, current sensing, power sensing) with appropriate compensation values. The logic control module selectively activates different RC networks based on the detected sensing loop type, enabling a single compensation circuit structure to provide customized compensation for multiple different applications.
3Reliability
If voltage is not stabilized during compensation adjustment, then over or undershoot occurs which may damage the device
Solution Approach 1:
The patent implements feedback control through the detection circuit that continuously monitors the voltage and current parameters. The logic control module receives detection signals and adjusts the RC network configuration in real-time based on the actual operating conditions, ensuring that voltage remains stabilized during compensation adjustments and preventing over or undershoot conditions that could damage the device.
Solution Approach 2:
The compensation circuit performs preliminary adjustment of the RC network parameters before full load changes occur. The logic control module anticipates load changes by monitoring detection signals and pre-adjusts the compensation value accordingly, preventing voltage instability and protecting the device from potential damage before it occurs.
Data Source
AI summary
The present disclosure illustrates a compensation circuit of an energy storage device. The compensation circuit includes a first error amplifier, a switching unit, a first RC network, a voltage recording module and a logic control module. The switching unit selectively connects an output end, a first input end of the first error amplifier or the voltage output end. A resistance value or a capacitance value of the first RC network changes with different sensing loops of the energy storage device. When the energy storage device switches the sensing loop, a detection circuit outputs a detecting signal. The logic control module controls the switching unit to connect the first input end to the output end, and controls the voltage recording module to output a preset output voltage to the voltage output end for stabilizing a first capacitor of the first RC network.