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找到报告 16306 篇 当前为第 1415 页 共 1631

所属行业:电力、热力、燃气及水生产和供应业

  • 14141.全球高压开关设备市场报告(2015-2019年)

    [电气机械和器材制造业,仪器仪表制造业,专用设备制造业,电力、热力、燃气及水生产和供应业] [2015-07-24]

    Switchgears are designed to protect, control, and isolate electrical T&D networks, substations, and other electrical equipment. High voltage switchgears, used in power utilities, are installed in high voltage substations. These switchgears are classified as AIS and GIS. Switchgears may be defined as a logical combination of.
    关键词:开关设备;保护;控制;隔离;电气输配电网络;电气设备;高压开关设备;AIS;GIS
  • 14142.全球电缆组件市场报告(2015-2019年)

    [电气机械和器材制造业,电力、热力、燃气及水生产和供应业] [2015-07-24]

    A cable assembly is a collection of wires and cables banded into a single unit. It is used to connect various types of system and equipment to carry out a desired operation. They are used in both process and discrete industries. There are various types of cable assembly based on their application, such as multiconductor, coaxial, wire and cable harness, complex military, flat ribbon, and custom electromechanical.
    关键词:电缆组件;电线和电缆;集合;系统和设备;多导体;同轴电线;电缆线束
  • 14143.全球电路保护市场报告(2015-2019年)

    [计算机、通信和其他电子设备制造业,电力、热力、燃气及水生产和供应业] [2015-07-24]

    With advances in technology taking place in every field, there is a growing trend of employing high-end, critical devices in systems. These electrically enabled critical devices need protection from instances of overvoltage and overcurrent in order to avoid hazards. There is therefore a growing need for circuit protection systems, which drives the market to a large extent.
    关键词:电关键设备;避免;危险情况;电路保护系统
  • 14144.天然气汽车燃料调查

    [电力、热力、燃气及水生产和供应业] [2015-07-21]

    The Coordinating Research Council, Inc. (CRC) is a non-profit corporation supported by the petroleum and automotive equipment industries. CRC operates through research committees made up of technical experts from industry and government who voluntarily participate. The four main areas of research within CRC are: air pollution (atmospheric and engineering studies); aviation fuels, lubricants, and equipment performance; heavy-duty vehicle fuels, lubricants, and equipment performance (e.g., diesel trucks); and light-duty vehicle fuels, lubricants, and equipment performance (e.g., passenger cars). CRC’s function is to provide the mechanism for joint research conducted by the two industries that will help in determining an optimum combination of petroleum products and mobility equipment. CRC’s work is limited to research that is mutually beneficial to the two industries involved. Final reports and data are made available to the public.
    关键词:汽车;天然气汽车;燃料使用
  • 14145.平均燃料成分的废气排放

    [电力、热力、燃气及水生产和供应业,水利、环境和公共设施管理业] [2015-07-21]

    The Coordinating Research Council, Inc. (CRC) is a non-profit corporation supported by the petroleum and automotive equipment industries. CRC operates through the committees made up of technical experts from industry and government who voluntarily participate. The four main areas of research within CRC are: air pollution (atmospheric and engineering studies); aviation fuels, lubricants, and equipment performance, heavy-duty vehicle fuels, lubricants, and equipment performance (e.g., diesel trucks); and light-duty vehicle fuels, lubricants, and equipment performance (e.g., passenger cars). CRC’s function is to provide the mechanism for joint research conducted by the two industries that will help in determining the optimum combination of petroleum products and automotive equipment. CRC’s work is limited to research that is mutually beneficial to the two industries involved, and all information is available to the public.
    关键词:汽车;废气排放;环境污染
  • 14146.应用多智能体系统状态监控的直流电气铁路节能策略

    [水利、环境和公共设施管理业,电力、热力、燃气及水生产和供应业] [2015-07-16]

    In this paper, we combined train performance calculation and power supply solver with our proposed multi-agent based condition monitoring under some specific conditions. The first part of this paper demonstrated the exploitation of the regenerative braking energy with on-board energy storage devices. With the proposed scheme applied in this paper, the energy consumed by the power substation can be reduced. This confirmed the attractive use in regenerative energy storage. The second part gave explanation of the train monitoring software using Java multi-agent integrating with VC++ GUI. The performances of in-service trains can be monitored online. The multi-agent system designed for this test is enhanced visually by the development of the VC++ GUI. The software tool is useful to help the system operators to improve their train service.
    关键词:节能;直流电气铁路;可再生能源;多智能体系统
  • 14147.风力发电机中的传感器故障诊断

    [计算机、通信和其他电子设备制造业,电力、热力、燃气及水生产和供应业] [2015-07-16]

    This chapter addresses the early detection and isolation of sensor faults in a systematic and unified way and illustrates the approach on wind turbine simulation data. Three problems are successively considered: individual signal monitoring, fault detection and isolation (FDI) in redundant sensors, and FDI based on analytical redundancy. In all three cases, a specific approach to generate fault indicators, also called residuals, is presented and combined with an online statistical change detection/isolation algorithm. The considered case studies consist of wind turbine generator speed monitoring, as well as FDI in the stator current and voltages of a wind-driven doubly fed induction generator. For the latter problem, the fact that the three-phase signals are balanced allows one to determine a simple signal model from which a multiobserver scheme is designed for residual generation.
    关键词:传感器;传感器故障检测和隔离;统计变化检测/隔离算法
  • 14148.通用电气混合热泵热水器的需求响应性能

    [水利、环境和公共设施管理业,电力、热力、燃气及水生产和供应业] [2015-07-16]

    This project evaluates and documents the DR performance of an HPWH as compared to an ERWH for two primary types of DR events: peak curtailments and balancing reserves. The experiments were conducted with General Electric (GE) second-generation Brillion-enabled GeoSpring hybrid water heaters in the Pacific Northwest National Laboratory (PNNL) Lab Homes2, with one GE GeoSpring water heater operating in Standard electric resistance mode to represent the baseline and one GE GeoSpring water heater operating in Heat Pump mode to provide the comparison to heat pump-only DR. Signals were sent simultaneously to the two water heaters in the side-by-side PNNL Lab Homes under highly controlled, simulated occupancy conditions. It is expected that Hybrid DR performance, which would engage both the heat pump and electric elements, could be interpolated from these two experimental extremes.
    关键词:节能;热泵;热水器;混合系统;响应;性能评估
  • 14149.提高余热回收的有机郎肯循环法的修改和优化(最终报告)

    [电力、热力、燃气及水生产和供应业,水利、环境和公共设施管理业] [2015-07-16]

    The purpose of this project was to retire key risks and overcome the technical barriers to implementing an ORC with Direct Evaporation. R&D was conducted through a partnership between the Idaho National Laboratory (INL) and General Electric (GE) Global Research Center (GRC). The project consisted of four research tasks: (1) Detailed Design & Modeling of the ORC Direct Evaporator, (2) Design and Construction of Partial Prototype Direct Evaporator Test Facility, (3) Working Fluid Decomposition Chemical Analyses, and (4) Prototype Evaluation. Issues pertinent to the selection of an ORC working fluid, along with thermodynamic and design considerations of the direct evaporator, were identified.
    关键词:节能;蒸发器;排气系统;朗肯循环系统;余热利用
  • 14150.美国建筑专家会议:燃烧安全性

    [建筑业,水利、环境和公共设施管理业,电力、热力、燃气及水生产和供应业] [2015-07-16]

    This is a meeting overview of 'The Best Approach to Combustion Safety in a Direct Vent World', held June 28, 2012, in San Antonio, Texas. The objective of this Expert Meeting was to identify gaps and barriers that need to be addressed by future research, and to develop data-driven technical recommendations for code updates so that a common approach for combustion safety can be adopted by all members of the building energy efficiency and code communities. The DOE BA program focuses on reducing energy consumption in the nation's housing stock through smart integration of energy efficient design and upgrades. The target is 30%-50% energy savings captured through the application of many measures, including reduction in air infiltration, equipment upgrades, smart controls, and thermal envelope improvements.
    关键词:节能;建筑;空气渗透;能源消耗
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