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相关概念视频

Electrical Energy01:10

Electrical Energy

1.2K
Using electric appliances for a longer period of time consumes more electrical energy and results in a higher electric bill. The energy produced by the transfer of electrons from one point to another is known as electrical energy. If power is delivered at a constant rate, the electrical energy can be defined as the product of power used by the device for a period of time. The energy unit on electric bills is the kilowatt-hour, where one kilowatt-hour is equivalent to 3.6 × 106 joules.
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Heating and Cooling Curves02:44

Heating and Cooling Curves

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When a substance—isolated from its environment—is subjected to heat changes, corresponding changes in temperature and phase of the substance is observed; this is graphically represented by heating and cooling curves.
For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance, q, and its...
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Distribution Reliability and Automation01:25

Distribution Reliability and Automation

107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
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Control Systems: Applications01:25

Control Systems: Applications

603
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
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Energy and Power Signals01:17

Energy and Power Signals

286
In an electrical system with a resistor, voltage and current signals facilitate the measurement of power and energy across the resistor. For a continuous-time signal, the total energy over a time interval is defined as the integral of the square of the signal's magnitude over that interval. Mathematically, this is expressed as:
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Energy Basics02:27

Energy Basics

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Chemical reactions, such as those that occur when you light a match, involve changes in energy as well as matter.
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相关实验视频

Updated: Jun 26, 2025

Measuring Light-Switching Behavior Using an Occupancy and Light Data Logger
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Measuring Light-Switching Behavior Using an Occupancy and Light Data Logger

Published on: January 16, 2020

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综合能源需求和使用数据用于建筑自动化.

Philipp Heer1, Curdin Derungs2, Benjamin Huber2

  • 1Swiss Federal Laboratories for Materials Science and Technology, Urban Energy System Laboratories, UESL, Dübendorf, Switzerland. philipp.heer@empa.ch.

Scientific data
|May 8, 2024
PubMed
概括

这项研究发布了NEST平台的四年数据集,详细介绍了建筑物的能源消耗和居住者的行为. 这些数据使得数据驱动的方法能够优化建筑功能和能源效率.

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Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
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Author Spotlight: Simulation and Analysis of the Temperature Rise of Ring Main Unit Equipment
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相关实验视频

Last Updated: Jun 26, 2025

Measuring Light-Switching Behavior Using an Occupancy and Light Data Logger
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Published on: January 16, 2020

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Methodology for Establishing a Community-Wide Life Laboratory for Capturing Unobtrusive and Continuous Remote Activity and Health Data
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科学领域:

  • 建筑科学 建筑科学
  • 能源效率 能源效率 能源效率
  • 数据科学数据科学数据科学

背景情况:

  • 建筑物占全球能源消耗的近一半,这凸显了对舒适度和能源效率的研究的需要.
  • 缺乏公开可用的数据阻碍了建筑功能的优化和数据驱动的建筑自动化的广泛采用.
  • 数据驱动的方法对于使建筑自动化具有经济可行性和可访问性至关重要.

研究的目的:

  • 解决公共可用数据的缺口,以优化建筑性能.
  • 为研究界提供NEST平台的详细测量数据.
  • 为不同建筑类型 (办公室和住宅) 提供数据驱动的学习.

主要方法:

  • 收集并策划了NEST平台内的三座建筑的综合数据集.
  • 记录了四年的数据,时间分辨率为1分钟.
  • 包括有关能源消耗,建筑运行和居住者习惯的详细信息.

主要成果:

  • 一个公开可用的数据集,包含能源消耗 (电力,供暖,冷却,家庭热水),建筑运行 (设置点,门开口,窗户) 和居住者的行为 (存在,百叶窗,厨房使用,淋浴).
  • 数据集跨越了四年,具有高时间分辨率 (1分钟).
  • 能够研究不同的建筑类型,包括办公室和住宅环境.

结论:

  • 发布的数据集为推进建筑能效和自动化研究提供了宝贵的资源.
  • 促进数据驱动的建模,以了解和优化建筑功能.
  • 支持与建筑设计,运行和居住者的行为相互作用相关的研究差距.