微电网洞察

Analytical Design of Contributions of Grid-Forming and Grid-Following Inverters to Frequency Stability

OpenAlex

Analytical Design of Contributions of Grid-Forming and Grid-Following Inverters to Frequency Stability doi: https://doi.org/10.1109/tpwrs.2024.3351530 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5019919623","display_name":"Eugenie A. S. Ducoin","orcid":"https://orcid.…

Walmart 04526

United States Department of Energy / Oak Ridge National Laboratory

Stationary Power organization: Walmart city: Houston 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

Ashwater电网接入与容量约束信息

National Grid Electricity Distribution

Ashwater站点显示出配电接入与容量约束信息，负荷和发电侧均给出了可用容量与约束状态。由于摘要只提供了站点级容量数据，没有说明新增项目或政策变化，信息主要反映当前接入条件。South West区域33-11电压层级下，负荷侧firm capacity为6.25、available capacity为3.206589699且约束为amber，发电侧available capacity为4.196958065且约束为red，意味着后续接入申请可能受限。

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

3.21 MW

发电侧约束

受限

发电可用容量

4.2 MW

Analytical Design of Contributions of Grid-Forming and Grid-Following Inverters to Frequency Stability

OpenAlex

Analytical Design of Contributions of Grid-Forming and Grid-Following Inverters to Frequency Stability doi: https://doi.org/10.1109/tpwrs.2024.3351530 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5019919623","display_name":"Eugenie A. S. Ducoin","orcid":"https://orcid.…

BoxPower Residential Microgrid Pahoa

United States Department of Energy / Oak Ridge National Laboratory

Battery Storage, Solar PV, Stationary Power organization: Boxpower city: Pahoa state: HI microgridOperationalYear: 2019 marketSector: City/Community gridConnected: false microgridType: Conditional advancedControls: false microgridTechnologies: Battery Storage, Solar PV, Stationary Power microgridTotalCapacityKw: 20…

投运年份

2019

最近核验

2023

应用场景

City/Community

并网状态

否

运行类型

Conditional

高级控制

否

Bradley Lane

National Grid Electricity Distribution

Bradley Lane type: Primary area: South West voltages: 33-11 GSP: Abham S.G.P. BSP: Newton Abbot Bsp (Forde Road) Primary: demandFirmCapacity: 22.89999962 demandAvailableCapacity: 7.998426914 demandConstraint: red demandConstraintLimitingFactor: Thermal generationFirmCapacity: 9.119999886 generationAvailableCapacity:…

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

8 MW

发电侧约束

关注

发电可用容量

3.77 MW

Analytical Design of Contributions of Grid-Forming and Grid-Following Inverters to Frequency Stability

OpenAlex

Analytical Design of Contributions of Grid-Forming and Grid-Following Inverters to Frequency Stability doi: https://doi.org/10.1109/tpwrs.2024.3351530 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5019919623","display_name":"Eugenie A. S. Ducoin","orcid":"https://orcid.…

Walmart 03224

United States Department of Energy / Oak Ridge National Laboratory

Stationary Power organization: Walmart city: Garland 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

Waddington 33/11kV站点容量受限

National Grid Electricity Distribution

Waddington 33/11kV变电站的需求侧可用容量为8.250278326，需求约束状态为amber，限制因素为Thermal。生成侧可用容量为17.05664063，生成约束状态为green，说明该站点在接入条件上呈现出供需不对称。已接受1个负荷接入报价，容量3.136，同时有1个发电接入报价，容量1.314，后续接入仍受容量约束和热限制影响。

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

8.25 MW

发电侧约束

宽松

发电可用容量

17.06 MW

基于椭圆等面积准则改进并网变流器暂稳分析

OpenAlex

该文提出基于椭圆等面积准则的并网型变流器暂态稳定性分析方法，用于改进保守性较强的稳定评估。之所以需要这一方法，是因为现有并网变流器稳定分析在判据上可能偏保守，影响对微电网和并网控制场景的判断。文中仅给出论文题目、作者和发表来源，未提供性能数据或工程应用结果，因此其直接影响主要体现在为后续控制与稳定分析研究提供新的判据框架。

Chitina, AK

United States Department of Energy / Oak Ridge National Laboratory

CHP organization: Chitina Electric Inc. city: Chitina state: AK microgridOperationalYear: 2011 marketSector: City/Community gridConnected: false microgridType: Continuous advancedControls: false microgridTechnologies: CHP microgridTotalCapacityKw: 310 microgridGenerationCapacityKw: 310 lastVerifiedYear: 2023

投运年份

2011

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

Roseland微电网容量受热力约束

National Grid Electricity Distribution

Roseland地区的供电与发电能力状态显示，需求侧可用容量为2.978197336，需求约束为amber，限制因素是Thermal。发电侧可用容量为5.090824604，发电约束为green，说明当前更偏向需求受限而非发电受限。数据同时给出33-11电压层级、Indian Queens S.G.P.与Truro Bsp等节点信息，直接反映该区域后续负荷接入仍受容量约束影响。

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

2.98 MW

发电侧约束

宽松

发电可用容量

5.09 MW

DPWM三相并网逆变器零序谐振电流可分析并抑制

OpenAlex

该文针对采用DPWM调制、带中性线的三相LCL型并网逆变器中零序LC谐振电流问题，提出了分析与抑制方法。文章认为，DPWM虽然有助于提升效率，但会抬高中性点共模电压，进而诱发滤波电容与电感中的零序谐振电流。文中给出3.6 kVA三相GCI原型实验结果，用以验证所提控制思路可在保留DPWM效率优势的同时降低电流纹波与损耗。

Middletown Data Center Microgrid

United States Department of Energy / Oak Ridge National Laboratory

Stationary Power organization: Cardinal Energy city: Middletown state: VA criticalInfrastructure: true microgridOperationalYear: 2022 marketSector: Data Center gridConnected: true microgridType: Continuous advancedControls: true microgridTechnologies: Stationary Power microgridTotalCapacityKw: 15500 microgridGenerat…

投运年份

2022

最近核验

2023

应用场景

Data Center

并网状态

是

运行类型

连续型

高级控制

是

Tonyrefail主配电区容量受热力约束

National Grid Electricity Distribution

South Wales的Mill St Tonyrefail主配电区显示，需求侧可用容量仅0.952396929、发电侧可用容量为0，容量约束均为red。其限制原因都标注为Thermal，说明当前接入能力主要受热力条件约束而非其他环节。该区需求firm容量为22.74900055、发电firm容量为24.40600014，且当前无已接受的接入申请，后续新增负荷或发电项目仍需受接入容量限制。

配网区域

South Wales

电压等级

33/11 kV

负荷侧约束

受限

负荷可用容量

0.95 MW

发电侧约束

受限

发电可用容量

0 MW

椭圆等面积判据改善并网变换器暂态稳定分析

OpenAlex

武汉大学团队提出椭圆等面积判据（EAC），用于评估并网变换器系统中的暂态稳定性，并同步改进了PLL建模。文章认为，这一方法针对以往研究在计入负阻尼影响后保守性过大的问题，可更准确刻画电力电子渗透率提升背景下的稳定边界。该文发表于IEEE Transactions on Power Delivery，指出该方法较既有判据有所改进，且通过消除PLL中的负阻尼项增强分析结果的适用性。

Pilot Point, AK

United States Department of Energy / Oak Ridge National Laboratory

CHP, Wind organization: Pilot Point Electric Utility city: Pilot Point state: AK microgridOperationalYear: 2008 marketSector: City/Community gridConnected: false microgridType: Continuous advancedControls: false microgridTechnologies: CHP, Wind microgridTotalCapacityKw: 335 microgridGenerationCapacityKw: 335 lastVer…

投运年份

2008

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

Hatherleigh电网可用容量受热力限制

National Grid Electricity Distribution

Hatherleigh地区的配电容量显示受热力约束限制，11 kV需求可用容量仅为0.508563399，发电可用容量为0。之所以出现这种状态，是因为该地的需求和发电约束都标记为red，且限制因素均为Thermal。数据同时给出需求固有容量6.25、发电固有容量20.29100037，且当前没有已接受或已提出的负荷和发电接入报价，意味着新增接入空间很紧张。

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

0.51 MW

发电侧约束

受限

发电可用容量

0 MW

A Conservatism Improved Transient Stability Analysis of Grid-Following Converters Based on the Proposed Elliptic-Equal Area Criterion

OpenAlex

A Conservatism Improved Transient Stability Analysis of Grid-Following Converters Based on the Proposed Elliptic-Equal Area Criterion doi: https://doi.org/10.1109/tpwrd.2023.3349156 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5100639673","display_name":"Xilin Li","orc…

Naknek, AK

United States Department of Energy / Oak Ridge National Laboratory

CHP, Solar PV organization: Naknek Electric Association city: Naknek state: AK microgridOperationalYear: 1977 marketSector: City/Community gridConnected: false microgridType: Continuous advancedControls: false microgridTechnologies: CHP, Solar PV microgridTotalCapacityKw: 16580 microgridGenerationCapacityKw: 16580 l…

投运年份

1977

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