CONTROL METHOD AND DEVICE FOR PHASE-CHANGE ENERGY STORAGE TYPE COLD AND HEAT COMBINED SUPPLY SYSTEM WITH MULTI-HEAT SOURCE HEAT PUMP
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United States of America
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Mar 6, 2025
app pub date -
Oct 27, 2023
filing date -
Oct 27, 2023
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Abstract
A control method for a phase-change energy storage type cold and heat combined supply system with a multi-heat source heat pump includes the following steps of: recording the temperature of a solar panel using solar energy as a heat source at a certain moment as tt, the temperature of a water source to be taken as ts, the temperature of a geothermal source as td, the temperature of an air source as tk; calculating the heat storage efficiency ζs, ζk and ζd of the phase change material under the action of solar energy-water energy, solar energy-air source and solar energy-ground source; calculating the hourly heat storage capacity of the heat pump Qrb, comparing it with the total hourly heat consumption of the system Qtol, and if Qrb<1.45Qtol, regulating the use of various heat sources through the heat storage integrated regulation system until Qrb<1.45Qtol.
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