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A Dynamic Model of a Gas Engine-Driven Heat Pump in Cooling Mode for Real-Time Simulation
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A Dynamic Model of a Gas Engine-Driven Heat Pump in Cooling Mode for Real-Time Simulation
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The present study has been conducted to simulate dynamics of a gas engine-driven heat pump (GHP) for the design of control algorithm. The dynamic model of a GHP was based on conservation laws of mass and energy. For the control of refrigerant pressures, actuators such as an engine throttle valve, outdoor fans, coolant three-way valves and liquid injection valves were controlled by P or PI algorithm. The simulation results were found to be realistic enough to be applied for the control algorithm design. The model could be applied to build a virtual real-time GHP system so that it interfaces with a real controller for the purpose of developing control algorithm.

Contents

ABSTRACT
1. Introduction
2. Outline of GHP system for control
3. Dynamic model
4. GHP control algorithm
5. Simulation result
6. Conclusions
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UCI(KEPA) : I410-ECN-0101-2009-553-017412634