7 results about "Fuel management systems" patented technology

A method of operating a gas turbine engine is disclosed, the gas turbine engine comprising a combustor arranged to combust a fuel; and a fuel management system arranged to provide the fuel to the combustor. The fuel management system comprises two fuel-oil heat exchangers through which oil and the fuel flow, the heat exchangers arranged to transfer heat to the fuel and comprising a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger; and a fuel pump arranged to deliver the fuel to the combustor, wherein the fuel pump is located between the two heat exchangers. The method comprises controlling the fuel management system so as to transfer between 200 and 600 kJ / m3 of heat to the fuel from the oil in the primary fuel-oil heat exchanger at cruise conditions.

The invention relates to the technical field of thermal power generation fuel management and control, in particular to a thermal power plant fuel intelligent comprehensive management and control system based on the Internet of Things. The data fusion gateway module performs timestamp alignment and space coordinate registration on the multi-source heterogeneous data to generate a fusion data field with a unified space-time reference; the three-dimensional reconstruction and modeling module calls a dynamic reconstruction engine, constructs a voxelization three-dimensional model in combination with the surface morphology of the material pile and internal temperature measurement data, and updates the voxelization three-dimensional model in real time; the quality evaluation module calculates a fuel quality grade map based on the model; and the blending decision-making module is used for matching the quality map with the load demand to formulate a material taking and blending scheme. According to the system, full-period accurate sensing, dynamic modeling and intelligent decision making of the fuel state are achieved, and the management and control efficiency is improved.

The application discloses a power plant coal-fired big data analysis method based on an adaptive support vector machine, which comprises the following steps: using a pre-determined coal quality data analysis model to perform real-time analysis on a coal type to be analyzed, and obtaining a coal quality analysis result; wherein the coal quality data analysis model comprises a plurality of optimal support vector machines for analyzing coal quality data of different coal types; according to coal quality historical data, using a genetic algorithm to train and optimize the support vector machines, obtaining the optimal support vector machines, using the obtained optimal support vector machines to perform real-time analysis on a new coal type, according to the deviation between the real-time analysis value of the new coal type and experimental analysis data, determining whether the optimal support vector machines need to be self-updated, and according to the number of sample sets, determining whether a new optimal support vector machine is obtained by training and optimization. The application can perform real-time analysis on various coal types to obtain coal quality data, and can improve the data analysis function and information intelligent level of a fuel management system.

An integrated fuel management system can include a switching unit coupled to an electric vehicle (EV) charging station, a computer system, a first electronic unit, and a second electronic unit. The first electronic unit can be coupled to the switching unit and operable for providing state information for the EV charging station to the computer system. The second electronic unit can be coupled to a fueling station for types of vehicles that use fuel and operable for providing state information for the fueling station to the computer system. Further, the computer system can be operable for displaying the state information for the EV charging station and for displaying the state information for the fueling station.

A coal batch management method and apparatus based on point cloud data, and a device. The method comprises: using a laser coal pile scanner to scan a coal yard, so as to acquire coal pile surface information data, and converting the coal pile surface information data into three-dimensional spatial coordinate data; separating various coal qualities in the coal yard, and presenting coal pile structures by means of three-dimensional structures; acquiring coal piling / taking dispatch task information of a fuel management system and a generation management system within the same time period, batch information of coal piled and taken by trains and cars in the coal yard, and coal quality composition information, and determining an assigned coal zone in a dispatch task; comparing the assigned coal zone in the dispatch task with coal zones in the coal pile structures, and if coal zone information is identical, determining that the coal zone in a corresponding coal pile structure conforms to the coal quality in the dispatch task, so as to complete the matching and binding of coal quality information; and on the basis of the matching and binding result, displaying, in real time, three-dimensional models for different batches of coal piled and taken in the coal yard. Thus, coal is managed more accurately, and effective guidance is also provided for coal blending.

A method of operating a gas turbine engine is disclosed, the gas turbine engine including a combustor arranged to combust a fuel and a fuel management system arranged to provide the fuel to the combustor. The fuel management system includes two fuel-oil heat exchangers through which oil and the fuel flow, the heat exchangers arranged to transfer heat to the fuel and comprising a primary fuel-oil heat exchanger and a secondary fuel-oil heat exchanger; and a fuel pump arranged to deliver the fuel to the combustor, wherein the fuel pump is located between the two heat exchangers. The method includes controlling the fuel management system so as to raise the fuel temperature to at least 135° C. on entry to the combustor at cruise conditions.

The present invention relates to a fuel management system (200) for a vehicle and a method (500) for the fuel management. The fuel management system (200) comprises a control unit (204) configured to receive one or more fuel parameters (202) of a fuel (F) stored in at least one storage unit (203) of the vehicle (100). The control unit (204) compares the one or more fuel parameters (202) with one or more predefined parameters (206) and is configured to generate a plurality of outputs (205) including one or more navigation routes of a vehicle (100) toward at least one predefined destination. The at least one predefined destination is selected based on a distance of the vehicle (100) from the at least one predefined destination and filling pressure (P1) of the fuel (F) at the at least one predefined destination.