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A variable temperature control method for real-time consumption of photovoltaic power generation in data centers

A data center, photovoltaic power generation technology, applied in photovoltaic power generation, non-electric variable control, temperature control using electric methods, etc., can solve the increase in the cost of data center cooling power consumption, and the supply of renewable energy without considering the data center cooling power consumption Matching problems, etc., to achieve the effect of improving the utilization rate of renewable energy, good technical economy, and reducing the consumption of mains electricity

Active Publication Date: 2022-05-03
TIANJIN UNIV
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Problems solved by technology

[0005] In addition, when studying the use of new energy to power the data center, the matching problem between the cooling power consumption of the data center and the randomly fluctuating renewable energy supply was not considered, resulting in an increase in the cooling power consumption cost of the data center.

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  • A variable temperature control method for real-time consumption of photovoltaic power generation in data centers
  • A variable temperature control method for real-time consumption of photovoltaic power generation in data centers
  • A variable temperature control method for real-time consumption of photovoltaic power generation in data centers

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Embodiment Construction

[0053] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0054] Water-cooled chilled water air-conditioning system is a common way of cooling data centers at present. The cooling equipment mainly includes chillers, frequency conversion water pumps, cooling towers and precision air conditioners. The cooling process mainly includes chilled water circulation, refrigerant circulation and cooling water circulation. The low-temperature chilled water enters the precision air conditioner and exchanges heat with the data center to take away the heat of the data center, then the temperature of the chilled water rises and then enters the chiller to exchange heat with the refrigerant; the low-temperature and low-pressure liquid refrigerant evaporates in the evaporator and takes away the heat of the high-temperature chilled water It becomes a high-temperature and low-pressure gaseous state, and then enters the condenser to exch...

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Abstract

The invention relates to a variable temperature control method for real-time consumption of photovoltaic power generation in a data center. By reading the real-time photovoltaic output value, the electric power reference value of the cooling equipment is adjusted, and then the cooling equipment of the data center is regulated through droop control and proportional integral control, so that Power consumption instantly matches photovoltaic power generation, realizes local consumption, stores in the data center computer room in the form of cold energy, reduces the temperature of the data center computer room or when the photovoltaic power generation is greatly reduced, appropriately increases the temperature of the data center computer room, and makes reasonable use of storage The function of cooling energy, thereby improving the utilization rate of renewable energy and reducing the consumption of city electricity. The invention comprehensively considers the random fluctuation characteristics of photovoltaic power generation and the flexible load characteristics of the cooling system of the data center, and fully exerts the controllability of the demand side load. Powered green data center with good technical economy.

Description

technical field [0001] The invention belongs to the field of photovoltaic power supply regulation, in particular to a variable temperature control method for realizing instant consumption of photovoltaic power generation in a data center. Background technique [0002] With the continuous development of information technology and the realization of advanced information technologies such as big data, 5G and Internet of Things, the power consumption of data centers continues to increase. In 2019, the total power consumption of my country's data centers was 174.8 billion kW h, which is about 2.4% of the total power consumption of the whole society. According to the data center cooling working group of the Chinese Society of Refrigeration, the power consumption of my country's data centers will increase to 250 billion kW·h in 2021. The high power consumption of data centers has two serious consequences. First of all, the purchase of these electricity by the data center has brou...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/19H02J3/38H05K7/20
CPCG05D23/1931H05K7/20836H05K7/208H05K7/20827H02J3/381H02J2300/24H02J2310/60H02J2310/52Y02E10/56
Inventor 朱介北杨顺坡赵军李峰
Owner TIANJIN UNIV
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