Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Electrical Power01:07

Electrical Power

Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...
Conservation of AC Power01:15

Conservation of AC Power

The principle of power preservation is applicable to both ac and dc circuits. This principle, when applied to AC power, asserts that the complex, real, and reactive powers produced by the source are equal to the total complex, real, and reactive powers absorbed by the loads. When two load impedances are connected in parallel to an ac source V, the complex power provided by the source can be calculated using the relation
Electrical Transport01:29

Electrical Transport

The electrical transport property of a material is defined by its resistance and conductivity. Resistance is the measure of a material's ability to resist the flow of electric current, while conductivity gauges its ability to allow the current to pass through, depending on the geometry of the measurement cell, such as electrode spacing and area. Conductivity is measured in Siemens (S). There are different types of conductance, including specific conductance, equivalent conductance, and molar...
Power System Distribution01:25

Power System Distribution

Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
Reclosers and Fuses01:26

Reclosers and Fuses

Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Evolution of weak, homogeneous turbulence subject to rotation and stratification: Comparable wave and nonpropagating components.

Physical review. E·2025
Same author

Potential new problem after molar extraction.

British dental journal·2024
Same author

Online crowdfunding for medical expenses related to hidradenitis suppurativa.

Clinical and experimental dermatology·2021
Same author

TikTok™, teens and isotretinoin: recommendations for identifying trending acne-related content on the world's most popular social media platform.

Clinical and experimental dermatology·2021
Same author

Coronectomy of mandibular third molars: a systematic literature review and case studies.

Australian dental journal·2021
Same author

High temperature phase transitions in barium sodium niobate: the wall roughening 1q-2q incommensurate transition and mean field tricritical behaviour in a disordered exclusion model.

Journal of physics. Condensed matter : an Institute of Physics journal·2020
Same journal

A native sulfur deposit in Gale crater, Mars.

Science (New York, N.Y.)·2026
Same journal

Coordinated demise of harmful algal blooms.

Science (New York, N.Y.)·2026
Same journal

Genetic effects put into context.

Science (New York, N.Y.)·2026
Same journal

Bacteria share proteins to survive antibiotics.

Science (New York, N.Y.)·2026
Same journal

Impacts shaped Earth's first continents.

Science (New York, N.Y.)·2026
Same journal

Erratum for the Report "Covalently bonded single-molecule junctions with stable and reversible photoswitched conductivity" by C. Jia <i>et al</i>.

Science (New York, N.Y.)·2026
查看所有相关文章

相关实验视频

Updated: Jul 1, 2026

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs
07:51

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

Published on: August 27, 2019

铁路电力公司的记忆

J F Scott, C A Paz de Araujo

    Science (New York, N.Y.)
    |December 15, 1989
    PubMed
    概括
    此摘要是机器生成的。

    在上制造的新型铁电随机存储器 (FeRAM) 提供了高速,密度和非挥发性. 这些进步解决了以前的问题,使FeRAM在内存应用中得到广泛采用.

    更多相关视频

    Electric and Magnetic Field Devices for Stimulation of Biological Tissues
    13:29

    Electric and Magnetic Field Devices for Stimulation of Biological Tissues

    Published on: May 15, 2021

    Comparative Study of Simulation of Temperature Rise in Ring Main Unit
    04:35

    Comparative Study of Simulation of Temperature Rise in Ring Main Unit

    Published on: July 5, 2024

    相关实验视频

    Last Updated: Jul 1, 2026

    Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs
    07:51

    Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

    Published on: August 27, 2019

    Electric and Magnetic Field Devices for Stimulation of Biological Tissues
    13:29

    Electric and Magnetic Field Devices for Stimulation of Biological Tissues

    Published on: May 15, 2021

    Comparative Study of Simulation of Temperature Rise in Ring Main Unit
    04:35

    Comparative Study of Simulation of Temperature Rise in Ring Main Unit

    Published on: July 5, 2024

    科学领域:

    • 材料科学 材料科学 材料科学
    • 电气工程 电气工程
    • 固态物理 固态物理

    背景情况:

    • 铁电薄膜内存现在可以集成到标准的集成电路中.
    • 这种集成使得高速,高密度和非挥发性的组合成为可能.
    • 铁电记忆技术以前的局限性一直是广泛采用的障碍.

    研究的目的:

    • 详细介绍上新制造的铁电薄膜记忆器的能力.
    • 解释底层的切换动力学和可靠性的改进.
    • 突出这些记忆的潜力,以取代现有的记忆技术.

    主要方法:

    • 在标准集成电路上制造铁电薄膜 (100-300 nm).
    • 记忆性能的表征,包括速度,密度和功率要求.
    • 基于激活场的依赖性,应用场和温度的切换动力学的分析.
    • 研究和改进疲劳和保持失效机制.

    主要成果:

    • 通过标准的5伏逻辑级别实现了30纳秒的读/删/重写操作.
    • 通过2x2微米的细胞大小证明了非常高的内存密度.
    • 确认了完全的非挥发性,不需要备用电源.
    • 建立了一个众所周知的切换动力学模型,并将疲劳/保持特性改进到可接受的水平.
    • 呈现出极端的辐射硬度.

    结论:

    • 在上制造的铁电随机访问记忆 (FeRAM) 代表了记忆技术的重大进步.
    • 经过证明的性能和可靠性使FeRAM成为替代磁芯,磁泡和电可擦除的只读内存的强有力的候选人.
    • 对切换动力学和故障机制的进一步理解和改进为实际应用铺平了道路.