Contingency analysis
Power flow studies test whether the system remains within limits after the loss of any single or double element.
GCRI · 关键基础设施
Power engineering covers the generation, transmission, distribution and protection of electricity. In this field it explains how grids fail and recover, and how design, protection and operation reduce outages for the services that depend on them.
电力 系统 engineering designs and operates the networks that generate, transmit and distribute electricity. It ensures that supply meets demand reliably as generation mixes and loads change. In 关键基础设施 and cities and built environment, power engineering shows how grid failures cascade into water, communications, health and finance. It informs investment and operating rules that protect dependent services. The canonical description is on STEM Commons.
Power flow studies test whether the system remains within limits after the loss of any single or double element.
Options such as undergrounding, stronger poles and vegetation management are compared for reducing weather outages.
Restoration plans are reviewed for black-start units, cranking paths, communications and the order in which priority loads are reconnected.
Night lights and population density over Western Europe, from NASA GIBS. Each layer carries its own date.
交互式地图需要JavaScript;图层列表和来源见下文。
图层 2
本页当前的能源状况
键盘操作,地图获得焦点时
按住 Ctrl 或 ⌘ 并滚动以缩放
最新可用
NASA GIBS / EOSDIS · ASTER GDEM (METI, NASA) · Blue Marble (NASA) · © OpenStreetMap贡献者 (ODbL) · Natural Earth
正在加载最新的NASA影像。
拖动以移动。按住 Ctrl 或 ⌘ 并滚动、双指缩放或使用按钮缩放;悬停可查看指针下的数值;重置可返回该区域。
Energy now, framed on Western Europe.NASA 发布的卫星和模型产品,各带自己的日期。它们是指标,而非对任何地点的评估。
图层与日期
A 危害足迹 会摧毁每一层中位置相同的资产;碎片化、层间依赖和幸存部分的过载随后使失效蔓延。3D 视图按深度将各层分开。这是使用明示示例数值的教学模型,不是预测。本页地图显示的是西欧;模型本身并不局限于某一地点。
控制措施
读数
| 步骤 | 交通运行(%) | 电力运行(%) | 电信运行(%) |
|---|---|---|---|
| 0 | 89 | 100 | 94 |
| 1 | 56 | 67 | 89 |
| 2 | 56 | 67 | 44 |
| 3 | 56 | 67 | 28 |
The model runs on the teaching values set by the controls. To calibrate it for a place, read it against these admitted layers and series, which this page’s map can draw:
贯穿六大支柱,由 Nexus Consortium 牵头
Models are calibrated against measured system disturbances and operating data. Planning studies are checked through operator review and post-event analysis.
| 核查 | 如何开展 |
|---|---|
| 模型验证 | Network models are validated against measured flows |
| Restoration drills | Black-start plans are tested |
| Cost-effectiveness review | Hardening options are compared on avoided outage time per cost |
Rapid growth in inverter-based resources changes system dynamics that legacy models represent poorly. Correlated weather extremes can exceed planning assumptions.
Assembled from the Nexus Standards area profile 关键基础设施与关键实体: the hazards it names, the 系统 and sectors that carry the loss, the controls that dampen it and the data that observe it. Choose the components, pick an initiating hazard and step through the cascade. The Map view places the run on an example geography with open data. Every coupling weight is a stated assumption you can change. A teaching model, not a forecast, an assessment or a certification. To model a place of your own choosing, open the full System Builder.
系统与耦合
控制措施
NS-0 章程与原则NS-3 风险记录 UNI(语法、旧编码对照、分配机构)NS-9 情境 UNI(部署、实例、计划实例)NS-10 政策和条款(机器可读的义务:定义、约束、评估和执行)NS-11 验证与监测(证据、证明、零信任符合性观测)NRS-H61 危害族:级联失效(NHS-1 sys.cascade)NRS-H94 危害族:系统性网络事件(NHS-1 cyber.systemic-cyber)NRS-H107 危害族:数字基础设施集中与单一化(NHS-1 tech.digital-concentration)NRS-K31 领域包概况:国家网络韧性(DOMAIN-031)NRS-K36 领域包概况:关键基础设施(DOMAIN-036)NRS-K48 领域包概况:金融系统韧性(DOMAIN-048)观测
示例地理范围
模型、其假设、数据和不确定性,以科学家或工程师会核查的形式呈现。结构遵循已发表的方法。所取数值仅为示意,不是研究发现。
The couplings between the systems in power engineering for resilience: signs of influence, a reinforcing and a balancing loop, and cross-links where stress jumps.
Energy Nexus stewards power 系统 engineering for the Consortium and reviews how it is applied across platforms.
报告 is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.
切勿发送个人数据、敏感基础设施细节或您无权分享的任何内容。贡献在使用前会经过审查;发送贡献不赋予署名权或编辑权,赞助也绝不能换取研究结论。
本网站上的地图、数据和图表仅作为背景和一般信息展示。它们不是建议、预测或预警;信息的局限见免责声明和数据说明。
This site uses only strictly necessary cookies to work and to remember your privacy choices. Nothing loads from other companies, and we never sell or share your personal information.
This site uses only strictly necessary cookies to work and to remember your privacy choices. Nothing loads from other companies, and we never sell or share your personal information. We run no advertising. You can review your choices at any time through Privacy choices at the foot of every page.