微电网洞察

Walmart 00452

United States Department of Energy / Oak Ridge National Laboratory

Stationary Power organization: Walmart city: McAllen state: TX microgridOperationalYear: 2022 marketSector: Retail/Wholesale gridConnected: true microgridType: Conditional advancedControls: true microgridTechnologies: Stationary Power microgridTotalCapacityKw: 1334 microgridGenerationCapacityKw: 1334 lastVerifiedYea…

投运年份

2022

最近核验

2023

应用场景

Retail/Wholesale

并网状态

是

运行类型

Conditional

高级控制

是

Langrick 33 11Kv S Stn

National Grid Electricity Distribution

Langrick 33 11Kv S Stn type: Primary area: East Midlands voltages: 33-11 GSP: Walpole 132Kv S Stn BSP: Boston 33Kv S Stn Primary: demandFirmCapacity: 5 demandAvailableCapacity: 0.824500374 demandConstraint: red demandConstraintLimitingFactor: Thermal generationFirmCapacity: 6 generationAvailableCapacity: 5.984896183…

配网区域

East Midlands

电压等级

33/11 kV

负荷侧约束

受限

负荷可用容量

0.82 MW

发电侧约束

宽松

发电可用容量

5.98 MW

网形成变流器数量研究聚焦系统强度

OpenAlex

这篇文章围绕“需要多少网形成变流器”给出小信号稳定性和电网强度视角的判断。之所以提出这一问题，是因为微电网和并网系统中网形成资源的配置会直接影响稳定性评估与控制设计。文章以IEEE Transactions on Power Systems发表的研究为基础，主题为“Microgrid Control and Optimization”，直接指向微电网控制与优化应用场景。

Dublin Wave Waterpark

United States Department of Energy / Oak Ridge National Laboratory

Battery Storage, Solar PV organization: City of Dublin city: Dublin state: CA microgridOperationalYear: 2023 marketSector: Recreation gridConnected: true microgridType: Conditional advancedControls: true microgridTechnologies: Battery Storage, Solar PV microgridTotalCapacityKw: 775 microgridGenerationCapacityKw: 525…

投运年份

2023

最近核验

2023

应用场景

Recreation

并网状态

是

运行类型

Conditional

高级控制

是

Nailstone配电站容量受热力约束

National Grid Electricity Distribution

Nailstone 33/11kV变电站所在区域的负荷与发电接入都处于红色约束，负荷可用容量为5.257432823，发电可用容量为0。之所以受限，是因为正文将限制因素标为Thermal，说明现有网络热容量不足。负荷已接受1项、合计5的接入申请，另有2项、合计2.35的接入报价，意味着后续新增接入仍取决于配网增容进度。

配网区域

East Midlands

电压等级

33/11 kV

负荷侧约束

受限

负荷可用容量

5.26 MW

发电侧约束

受限

发电可用容量

0 MW

从小信号稳定性看所需并网成网型变流器数量

OpenAlex

这篇研究提出，判断系统需要多少成网型变流器，不能只看装机数量，而应从小信号稳定性和电网强度来分析。文章认为，成网型变流器的电压源行为可增强电网，而并网型变流器在合理无功电流调节下也可能表现出类似电压源特性。作者基于分析指出，容量占比会影响等效电网强度和系统稳定性，并通过高保真仿真验证，为选择配置比例和稳定裕度提供依据。

ShopRite Bayshore, NY

United States Department of Energy / Oak Ridge National Laboratory

CHP organization: Unison Energy/ ShopRite city: Bay Shore state: NY microgridOperationalYear: 2017 marketSector: Food Store gridConnected: true microgridType: Continuous advancedControls: true microgridTechnologies: CHP microgridTotalCapacityKw: 850 microgridGenerationCapacityKw: 850 lastVerifiedYear: 2023

投运年份

2017

最近核验

2023

应用场景

Food Store

并网状态

是

运行类型

连续型

高级控制

是

Arnold 33/11千伏微网容量数据

National Grid Electricity Distribution

Arnold 33/11Kv 的东米德兰兹区域容量信息显示，需求侧可用容量为 4.037883057、需求约束为 amber，发电侧可用容量为 14.88566208、发电约束为 green。由于该条目只给出主变电站与容量状态，没有说明新增政策或项目变更，信息更像是对现有接入条件的记录。按给出的数据，需求固化容量为 18、发电固化容量为 18，而负荷和发电接入申请均为 0，直接反映当前接入空间有限且暂未出现新接入需求。

配网区域

East Midlands

电压等级

33/11 kV

负荷侧约束

关注

负荷可用容量

4.04 MW

发电侧约束

宽松

发电可用容量

14.89 MW

小信号稳定性视角下需要多少构网变流器

OpenAlex

文章认为，构网变流器（GFM）的配置问题不应只看数量，而应从小信号动态和电网强度出发评估需要多少台。作者指出，GFM与跟网型（GFL）变流器在电压源行为上存在差异，但两者都可能通过调节无功电流表现出电压源特性，因此关键在于有效强度而非类型。文中基于分析并用高保真仿真验证，给出按容量占比选择变流器、以获得目标稳定裕度的思路。

Ouzinkie, Alaska

United States Department of Energy / Oak Ridge National Laboratory

CHP, Hydro, Stationary Power organization: City of Ouzinkie city: Ouzinkie state: AK microgridOperationalYear: 1987 marketSector: City/Community gridConnected: false microgridType: Continuous advancedControls: false microgridTechnologies: CHP, Hydro, Stationary Power microgridTotalCapacityKw: 675 microgridGeneration…

投运年份

1987

最近核验

2023

应用场景

City/Community

并网状态

否

运行类型

连续型

高级控制

否

Banbury Road 33/11kV变电站容量信息

National Grid Electricity Distribution

Banbury Road 33/11kV变电站的容量信息显示，East Midlands区域该站点用电侧受热力约束，demandConstraint标为red。该结果反映了该站点可用容量与接入能力的现状，因此重点在于供电侧约束而非新增项目进展。数据显示，demandFirmCapacity为23、demandAvailableCapacity为10.68386238，generationFirmCapacity为18、generationAvailableCapacity为11.96085644；目前负荷和发电接入的已接受与已发出报价均为0，说明后续接入仍受现有约束影响。

配网区域

East Midlands

电压等级

33/11 kV

负荷侧约束

受限

负荷可用容量

10.68 MW

发电侧约束

0

发电可用容量

11.96 MW

How Many Grid-Forming Converters Do We Need? A Perspective From Small Signal Stability and Power Grid Strength

OpenAlex

How Many Grid-Forming Converters Do We Need? A Perspective From Small Signal Stability and Power Grid Strength doi: https://doi.org/10.1109/tpwrs.2024.3393877 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5086421717","display_name":"Huanhai Xin","orcid":"https://orcid.o…

Tussing Water Booster Station Microgrid

United States Department of Energy / Oak Ridge National Laboratory

Battery Storage, Solar PV organization: City of Columbus, AEP Ohio city: Columbus state: OH criticalInfrastructure: true microgridOperationalYear: 2023 marketSector: Water Supply/Treatment gridConnected: true microgridType: Conditional advancedControls: true microgridTechnologies: Battery Storage, Solar PV microgrid…

投运年份

2023

最近核验

2023

应用场景

Water Supply/Treatment

并网状态

是

运行类型

Conditional

高级控制

是

Davidstow微电网负荷与发电容量受限

National Grid Electricity Distribution

Davidstow站点在33-11电压层级下，负荷与发电容量都出现约束，负荷约束为amber、发电约束为red。之所以受限，是因为摘要标明两类约束的限制因素均为Thermal，说明现有热力相关能力成为瓶颈。数据显示，负荷firm capacity为5、available capacity为4.75797987，发电firm capacity为5、available capacity为4.249225616；当前没有任何负荷或发电接入报价，后续接入能力仍受限制。

配网区域

South West

电压等级

33/11 kV

负荷侧约束

关注

负荷可用容量

4.76 MW

发电侧约束

受限

发电可用容量

4.25 MW

How Many Grid-Forming Converters Do We Need? A Perspective From Small Signal Stability and Power Grid Strength

OpenAlex

How Many Grid-Forming Converters Do We Need? A Perspective From Small Signal Stability and Power Grid Strength doi: https://doi.org/10.1109/tpwrs.2024.3393877 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5086421717","display_name":"Huanhai Xin","orcid":"https://orcid.o…

False Pass, AK

United States Department of Energy / Oak Ridge National Laboratory

CHP organization: False Pass Electric city: False Pass state: AK microgridOperationalYear: 2003 marketSector: City/Community gridConnected: false microgridType: Continuous advancedControls: false microgridTechnologies: CHP microgridTotalCapacityKw: 450 microgridGenerationCapacityKw: 450 lastVerifiedYear: 2023

投运年份

2003

最近核验

2023

应用场景

City/Community

并网状态

否

运行类型

连续型

高级控制

否

Stourport 132/66/33/11Kv

National Grid Electricity Distribution

Stourport 132/66/33/11Kv type: BSP area: West Midlands voltages: 132-66-33-11 GSP: Bishops Wood 132Kv S Stn BSP: Primary: demandFirmCapacity: 90 demandAvailableCapacity: 48.07619476 demandConstraint: red demandConstraintLimitingFactor: Thermal generationFirmCapacity: 19 generationAvailableCapacity: 15.8757515 genera…

配网区域

West Midlands

电压等级

132/66/33/11 kV

负荷侧约束

受限

负荷可用容量

48.08 MW

发电侧约束

受限

发电可用容量

15.88 MW

How Many Grid-Forming Converters Do We Need? A Perspective From Small Signal Stability and Power Grid Strength

OpenAlex

How Many Grid-Forming Converters Do We Need? A Perspective From Small Signal Stability and Power Grid Strength doi: https://doi.org/10.1109/tpwrs.2024.3393877 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5086421717","display_name":"Huanhai Xin","orcid":"https://orcid.o…

Fort Carson

United States Department of Energy / Oak Ridge National Laboratory

Battery Storage, Solar PV, Stationary Power organization: U.S. Military city: Colorado Springs state: CO criticalInfrastructure: true microgridOperationalYear: 2013 marketSector: Military gridConnected: true microgridType: Continuous advancedControls: true microgridTechnologies: Battery Storage, Solar PV, Stationary…

投运年份

2013

最近核验

2023

应用场景

军事设施

并网状态

是

运行类型

连续型

高级控制

是

Holsworthy区域供电约束为红色

National Grid Electricity Distribution

Holsworthy所在Primary区域的供电约束被标为红色，负荷侧可用容量为4.775511265，发电侧可用容量为0。约束之所以出现，是因为负荷和发电的限制因素都指向Thermal，说明该区域现阶段接入空间受热限制约束。数据显示，Primary的demandFirmCapacity为22.74900055、generationFirmCapacity为20.29100037，直接影响是新增负荷和新增发电接入均未显示已接受容量。

配网区域

South West

电压等级

33/11 kV

负荷侧约束

受限

负荷可用容量

4.78 MW

发电侧约束

受限

发电可用容量

0 MW