Chopper Regulator Load Bank for Genset Transient Response
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Solution Overview
Problem
Generator sets are slow to respond to fluctuating power demands during transient loading and unloading conditions, necessitating a system that can quickly adjust to maintain the genset within its nominal operating range.
Innovation Solution
A load management system comprising a generator, a load bank, a chopper, and a chopper regulator that modulates the electrical load on the generator by monitoring output voltage and adjusting the load bank's power consumption based on preprogrammed target voltages and deadbands, allowing for rapid response to changing power demands without altering the genset's production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the genset responds quickly to transient loading conditions by adjusting its production, then the response speed improves, but the genset operates outside its nominal operating range
Solution Approach 1:
The patent introduces a load bank as an intermediary component that absorbs transient power demands. The load bank is controlled by a regulator that monitors generator output and adjusts the load bank's power consumption accordingly. This mediator allows the generator to maintain stable operation while still responding to transient loading conditions through the load bank's rapid power absorption capabilities.
Solution Approach 2:
The system enables the generator to serve itself by maintaining operation within its nominal operating range through the load bank's automatic power absorption. The regulator continuously monitors generator parameters and adjusts the load bank to compensate for transient conditions, allowing the generator to effectively manage its own operating stability without external intervention or deviation from its optimal range.
2Stability of the object's composition
If the genset maintains operation within nominal operating range during transient conditions, then operating stability is improved, but the response speed to power demands deteriorates
Solution Approach 1:
The load bank acts as a mediator that absorbs the transient power demands, allowing the generator to maintain stable operation. The regulator controls the load bank's power absorption rate to match transient demands in real-time, providing rapid response capability while the generator itself remains within its stable operating range.
Solution Approach 2:
The load bank's power absorption capability is dynamically adjusted by the regulator based on real-time generator output and transient conditions. This dynamic control allows the load bank to rapidly absorb or release power as needed, providing fast response to transient demands without requiring the generator to change its operating parameters from its stable range.
3Speed
If a load management system is implemented to quickly respond to power demands, then the response speed improves, but the device complexity increases
Solution Approach 1:
The load bank serves as a dedicated intermediary component specifically designed for rapid power absorption. By offloading the transient response function to this specialized component, the overall system achieves fast response capability without requiring complex modifications to the generator itself. The load bank's simple binary state (absorbing or not absorbing power) keeps the control logic relatively straightforward.
Solution Approach 2:
The regulator implements a feedback control mechanism that continuously monitors generator output parameters and adjusts the load bank's power absorption accordingly. This closed-loop feedback system automatically responds to transient conditions in real-time, providing rapid response capability through a relatively simple control architecture that only requires monitoring key parameters and adjusting the load bank state.
Data Source
AI summary
A load management system is disclosed. The load management system may include a generator, a power source configured to drive the generator, a load bank configured to produce an electrical load on the generator, a chopper operatively connected to the generator and the load bank, and a chopper regulator in communication with the generator and the chopper. The chopper may be configured to modulate the electrical load of the load bank on the generator. The chopper regulator may be configured to monitor generator parameters and control the chopper based on the generator parameters.