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13021 results about "Wind speed" patented technology

Wind speed, or wind flow speed, is a fundamental atmospheric quantity caused by air moving from high to low pressure, usually due to changes in temperature. Note that wind direction is usually almost parallel to isobars (and not perpendicular, as one might expect), due to Earth's rotation.

System, method and computer program product for enhancing commercial value of electrical power produced from a renewable energy power production facility

InactiveUS20050127680A1Increase power valueInherent market valueWind motor controlEngine fuctionsPower exchangeRenewable power generation
A method, system and computer program product enhance the commercial value of electrical power produced from a wind turbine production facility. Features include the use of a premier power conversion device that provides an alternative source of power for supplementing an output power of the wind turbine generation facility when lull periods for wind speed appear. The invention includes a communications infrastructure and coordination mechanism for establishing a relationship with another power production facility such that when excess electrical power is produced by the wind turbine facility, the excess may be provided to the power grid while the other energy production facility cuts back on its output production by a corresponding amount. A tracking mechanism keeps track of the amount of potential energy that was not expended at the other facility and places this amount in a virtual energy storage account, for the benefit of the wind turbine facility. When, the wind turbine power production facility experiences a shortfall in its power production output it may make a request to the other source of electric power, and request that an increase its power output on behalf of the wind turbine facility. This substitution of one power production facility for another is referred to herein as a virtual energy storage mechanism. Furthermore, another feature of the present invention is the use of a renewal power exchange mechanism that creates a market for trading renewable units of power, which have been converted into “premier power” and/or “guaranteed” by secondary sources of power source to provide a reliable source of power to the power grid as required by contract.
Owner:ABB (SCHWEIZ) AG

Refrigeration method of low temperature environment air conditioner

The invention provides a refrigeration method of a low temperature environment air conditioner. When the air conditioner operates to refrigerate, the refrigeration method comprises the following steps of: step 1, reducing the topmost operating frequency of an outer door machine compressor in the air conditioner; step 2, adjusting the operating frequency of the compressor according to the temperature of a coil of an indoor machine evaporator in the air conditioner; and step 3, increasing the rotation speed of an inner fan of an indoor machine, and reducing the rotation speed of an outer door of an outdoor machine. The topmost operating frequency of the compressor is reduced, the compressor is frequently lifted frequency because of high frequency under the low temperature environment to be avoided, the frequency of the compressor is adjusted according to the temperature of the coil, and an evaporator is iced so that the compressor is stopped to be avoided; and the wind speed of the inner fan is increased, the evaporator and indoor heat transfer quantity is improved, the wind speed of the outer fan is reduced, the heat transfer quantity of a condenser is reduced, the air conditioner can normally refrigerate under the low temperature environment to be realized, and the refrigerating effect is optimized.
Owner:QINGDAO HAIER JIAOZHOU AIR CONDITIONER

Indoor unit of air conditioner and control method of indoor unit of air conditioner

The invention discloses an indoor unit of an air conditioner and a control method of the indoor unit of the air conditioner. The indoor unit of the air conditioner comprises a hosing, a first air deflector, a second air deflector and a third air deflector, wherein the housing is provided with a wind outlet; the first air deflector is rotatably arranged on the housing for opening or closing the wind outlet; the second air deflector is rotatably arranged on the housing and is located inside the first air deflector; a plurality of first wind dispersing holes penetrating through the second air deflector in the thickness direction are formed in the second air deflector; the third air deflector is rotatably arranged on the housing and is located inside the first air deflector; the third air deflector is located below the second air deflector; the upper end of the third air deflector is suitable for being matched with the lower end of the air deflector to close the wind outlet; a plurality of second wind dispersing holes penetrating through the third air deflector in the thickness direction are formed in the third air deflector. According to the indoor unit of the air conditioner provided by the invention, the wind speed at the wind outlet of the indoor unit of the air conditioner can be quickly reduced, so that no wind feel wind supply is realized.
Owner:GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1

Intelligent household air-conditioning system with linkage function

The invention discloses an intelligent household air-conditioning system with a linkage function. The system comprises a range finding apparatus used for detecting signal intensity information of terminal equipment carried by a user and selecting whether sending a first air-conditioning linkage command to an intelligent household server or not according to the signal intensity information, the intelligent household server used for sending a door and window closing command to an electric door and window apparatus according to the first air-conditioning linkage command and sending an air-conditioning starting command to an air-conditioning apparatus further according to the first air-conditioning linkage command, the electric door and window apparatus used for executing a closing operation of a door and a window according to the door and window closing command, and the air-conditioning apparatus used for starting an air-conditioner according to the air-conditioning starting command. According to the invention, when a user gets home, the air-conditioning system can automatically start the air-conditioner in advance and close the door and the window simultaneously, temperature, humidity, wind speed and the like in a room can be automatically adjusted, and the air-conditioner can be automatically shut down after leaving of the user.
Owner:SHENZHEN TCL NEW-TECH CO LTD

Control method for improving comfort of air conditioner

The invention discloses a control method for improving the comfort of an air conditioner, which is characterized in that the indoor ambient temperature detected at certain time is T1 during the operation of the air conditioner, the actual temperature of an indoor unit evaporator is T2, and the target temperature of the indoor unit evaporator operated by the air conditioner is T (T is equal to T1-t); and before the indoor ambient temperature T1 reaches the indoor ambient target temperature set by a user (indoor refrigerating and cooling stage): when the T2 is more than the T, the operation frequency of a compressor is improved, or the wind velocity of an indoor unit is reduced, or the operation frequency of the compressor is improved and the wind velocity of the indoor unit is reduced; when the T2 is equal to the T, the operation frequency of the compressor is unchanged, and the operation speed of a fan is unchanged; when the T2 is less than the T, the operation frequency of the compressor is reduced or/and the wind velocity of the indoor unit is improved; and the target of the steps is to control the T2 and the T to have a same value. The invention aims at different crowd needs to set different operation control methods, allows users to set operation modes needed by the users according to self feelings or needs, and has the characteristics of health, energy conservation, wide application range and the like.
Owner:MIDEA GRP CO LTD

Multiple connected air conditioning system and control method thereof

The invention discloses a control method of a multiple connected air conditioning system. The control method comprises the following steps of: calculating a target temperature by using a fuzzy control algorithm according to operating parameters of an air conditioning system; converting an actual pressure measured by a pressure sensor into a saturated refrigerant temperature as an actual temperature and calculating a difference value of the actual temperature and the target temperature; and calculating and adjusting capacity output of a compressor, wind speed of an outdoor fan and openings of indoor and outdoor electronic expansion valves by using a proportion integration differentiation algorithm according to the difference value of the actual temperature and the target temperature, a change rate of the actual pressure and a change rate of the actual temperature and the target temperature so that the actual temperature and the target temperature are consistent. The invention also discloses the multiple connected air conditioning system. The air conditioning system has little wave property, stability, favorable refrigeration and heating effects and favorable energy saving effect.
Owner:欧威尔空调科技(中国)有限公司
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