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71results about How to "Multi power" patented technology

Method for automatically generating BPA calculation file based on actual measurement topology and measured data

The invention discloses a method for automatically generating a BPA calculation file based on actual measurement topology and measured data. The method is characterized by comprising the following steps of: obtaining the actual measurement power grid topology data from a power EMS system at the fixed time, and obtaining the power grid topology information and the power grid element parameters; periodically obtaining the power grid measured data and establishing a corresponding relation with the power grid topology information and the power grid element parameters; establishing a card B node name of a BPA load flow calculation parameter file, and a corresponding voltage grade, according to the nodes formed by the power grid elements, the connection relation of the power grid elements and the voltage grade of the corresponding power grid elements; based on the power grid topology information, generating an AC line card L and a transformer winding card T through the card B node, and forming a BPA network model; assembling the BPA nodes according to the power grid topology information, filling the power grid measured data and the power grid element parameters corresponding to the BPA nodes, and forming the BPA load flow calculation parameter file; establishing a three-phase short circuit and open circuit fault card, and forming a BPA stability calculation file. The method effectively improves the working efficiency and provides various analysis models for the users.
Owner:STATE GRID ANHUI ELECTRIC POWER CO LTD +1

Electric transmission line deicer

The invention discloses an electric transmission line deicer. The electric transmission line deicer comprises at least two deicing machines arranged on an electric transmission cable, and each two adjacent deicing machines are connected with each other through a rope or a connecting plate. Every deicing machine comprises a deicing mechanism, a power mechanism, a feeding mechanism and a shell, the deicing mechanism and the feeding mechanism are connected with the power mechanism, the deicing mechanism comprises a deicing wheel and a deicing drive mechanism, the deicing wheel is in the shape of a ring less than 360 degrees, a minimum distance at a notch of the deicing wheel is greater than a diameter of the electric transmission cable, and a deicing knife is arranged on the deicing wheel. Every deicing drive mechanism comprises a power wheel A, two intermediate wheels and four planet wheels, wherein the four planet wheels mesh with the deicing wheel, each intermediate wheel meshes with two of the four planet wheels, the power wheel A meshes with the two intermediate wheels and is connected with the power mechanism, and a meshing area of the deicing wheel and the planet wheels is greater than 180 degrees. The notches of the deicing wheels can allow the electric transmission cables to pass through, and the electric transmission line deicer can clamp the external portions of the electric transmission cables.
Owner:吴桐

Novel distributed energy system combining Rankine cycle and compressed gas energy storage technology and method of novel distributed energy system

The invention provides a novel distributed energy system combining a Rankine cycle and compressed gas energy storage technology and a method of the novel distributed energy system. Firstly, the noveldistributed energy system sufficiently utilizes low-grade smoke, gas and waste heat, constantly takes advantage of multistage waste heat, reduces heat pollution and improves the energy utilization efficiency of the system. Secondly, smoke and gas produced by the entire energy system is compressed by a compressed gas energy storage device, the stored high pressure gas is released at an electricityconsumption peak, electricity is generated for the second time, a cyclic utilization of materials is realized, and environment pollution is avoided. Thirdly, a heat exchanger enables the smoke, gas and waste heat to be used more sufficiently through heat exchanging, the produced heat load is provided for utilization directly, and the economic benefit is improved. Fourthly, the grid-connected electric supply generated through a gas turbine and an organic Rankine cycle generator unit can be used directly, maneuverability is adequate, and the economic benefit is improved. Fifthly, the cooling load generated through an absorption-type refrigeration unit can be used directly for cooling and the like, and the system energy utilizing efficiency is greatly improved.
Owner:CHONGQING UNIV

Atomization sterilization machine

The invention relates to an atomization sterilization machine. The atomization sterilization machine includes a spray mechanism, a liquid replenishment tank, a fan and atomizers; and the atomization sterilization machine is characterized in that the spray mechanism includes a liquid storage part, an atomization chamber and a spray head communicating with one another, the spray head includes at least one azimuth mist outlet, the opening of the azimuth mist outlet is inclined upwards, the liquid supplement tank is connected to the liquid storage part through a liquid supplement pipeline, the fanis fixedly connected to an air inlet of the atomization chamber, a mist blocking plate extends from the lower end of the air inlet towards the interior of the atomization chamber, the mist blocking plate is inclined upward, and the atomizers are uniformly distributed at the bottom of the liquid storage part. According to the atomization sterilization machine, the wind direction is changed by themist blocking plate, and power is preferentially provided for small particles located in the upper region of the atomization chamber to obtain a longer spray distance; heights of the mist blocking plate and an atomization peak are matched, so that the atomized particles are screened, and a better mist dispersion effect is obtained; and the design of the 45 degrees elevation angle opening of the azimuth mist outlet is conducive to increasing the spray distance of the disinfection machine.
Owner:湖南省谛源光学科技有限公司

Control method of efficient multi-stage drying system

The invention relates to the technical field of heat pump drying, and provides a control method of an efficient multi-stage drying system. The method comprises the following steps of: receiving a starting request of the efficient multi-stage drying system, outputting a fan starting command to a first fan and a second fan, outputting a throttling device starting command to a throttling device, andoutputting a compressor starting command to a compressor; receiving and processing data like temperature data of the downstream of a first heat exchange surface of a first heat exchange assembly, airdew point temperature data of the upstream of the first heat exchange surface of the first heat exchange assembly, dry-bulb temperature data of the upstream of the first heat exchange surface of the first heat exchange assembly and / or relative humidity data of the upstream of the first heat exchange surface of the first heat exchange assembly; and then, when the data is in a first standard deviation parameter range or a second standard parameter range, outputting a fan turning-down command to the first fan. Automatic control over the efficient multi-stage drying system is achieved, manual operation of a user is avoided, and the working efficiency of the multi-stage drying system can be improved.
Owner:张勇
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