微电网洞察

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review

OpenAlex

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review doi: https://doi.org/10.23919/cjee.2024.000081 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5100779629","display_name":"Ming Li","orcid":"https://orcid.org/0000-0003-4882-2743"},"institutions":[…

Dell Children’s Medical Center/Richard Mueller Energy Center

United States Department of Energy / Oak Ridge National Laboratory

CHP, Stationary Power organization: Seton Healthcare Family city: Austin state: TX criticalInfrastructure: true microgridOperationalYear: 2007 marketSector: Hospital/Healthcare gridConnected: true microgridType: Continuous advancedControls: false microgridTechnologies: CHP, Stationary Power microgridTotalCapacityKw:…

投运年份

2007

最近核验

2024

应用场景

Hospital/Healthcare

并网状态

是

运行类型

连续型

高级控制

否

Wise Street 33 11Kv S Stn

National Grid Electricity Distribution

Wise Street 33 11Kv S Stn type: Primary area: East Midlands voltages: 33-11 GSP: Berkswell 132Kv S Stn BSP: Warwick 33Kv S Stn Primary: demandFirmCapacity: 19 demandAvailableCapacity: 1.723720767 demandConstraint: red demandConstraintLimitingFactor: Thermal generationFirmCapacity: 18 generationAvailableCapacity: 19.…

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

1.72 MW

发电侧约束

0

发电可用容量

19.03 MW

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review

OpenAlex

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review doi: https://doi.org/10.23919/cjee.2024.000081 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5100779629","display_name":"Ming Li","orcid":"https://orcid.org/0000-0003-4882-2743"},"institutions":[…

Walmart 02913

United States Department of Energy / Oak Ridge National Laboratory

Stationary Power organization: Walmart city: Boutte state: LA microgridOperationalYear: 2024 marketSector: Retail/Wholesale gridConnected: true microgridType: Conditional advancedControls: true microgridTechnologies: Stationary Power microgridTotalCapacityKw: 800 microgridGenerationCapacityKw: 800 lastVerifiedYear:…

投运年份

2024

最近核验

2024

应用场景

Retail/Wholesale

并网状态

是

运行类型

Conditional

高级控制

是

Thoresby 33/11kV站容量信息

National Grid Electricity Distribution

Thoresby 33/11kV S Stn 的供需容量状态发生了变化：需求侧可用容量为17.76035123，受限状态为green；发电侧可用容量为3.28662324，受限状态为amber。信息之所以重要，是因为该站点同时给出了需求与发电的可接入余量及限制因子，反映出当地接入能力存在明显分化。按东米德兰兹区域数据看，需求firm capacity为22、generation firm capacity为38.00999832，但可用容量分别只有17.76035123和3.28662324，且当前没有任何已接受或已提出的负荷/发电连接申请，直接影响后续接入判断。

配网区域

East Midlands

电压等级

33/11 kV

负荷侧约束

宽松

负荷可用容量

17.76 MW

发电侧约束

关注

发电可用容量

3.29 MW

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review

OpenAlex

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review doi: https://doi.org/10.23919/cjee.2024.000081 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5100779629","display_name":"Ming Li","orcid":"https://orcid.org/0000-0003-4882-2743"},"institutions":[…

Grocery Store Microgrid

United States Department of Energy / Oak Ridge National Laboratory

Fuel Cell organization: Bloom Energy city: Marstons Mills state: MA microgridOperationalYear: 2020 marketSector: Food Store gridConnected: true microgridType: Continuous advancedControls: true microgridTechnologies: Fuel Cell microgridTotalCapacityKw: 200 microgridGenerationCapacityKw: 200 lastVerifiedYear: 2024

投运年份

2020

最近核验

2024

应用场景

Food Store

并网状态

是

运行类型

连续型

高级控制

是

Lockheed 33/11千伏站容量信息

National Grid Electricity Distribution

Lockheed 33/11kV站点的供电容量信息发生了更新，显示该站在East Midlands区域的电力接入与约束状态。由于站点以热限制为主，当前可用容量与已承诺容量之间存在差距。该站需求可用容量为11.88806103、需求刚性容量为19，需求约束标记为red，直接反映后续接入空间受限。

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

11.89 MW

发电侧约束

0

发电可用容量

15.66 MW

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review

OpenAlex

Stability Studies on PV Grid-connected Inverters under Weak Grid: A Review doi: https://doi.org/10.23919/cjee.2024.000081 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5100779629","display_name":"Ming Li","orcid":"https://orcid.org/0000-0003-4882-2743"},"institutions":[…

Walmart 02505

United States Department of Energy / Oak Ridge National Laboratory

Stationary Power organization: Walmart city: Missouri City state: TX microgridOperationalYear: 2024 marketSector: Retail/Wholesale gridConnected: true microgridType: Conditional advancedControls: true microgridTechnologies: Stationary Power microgridTotalCapacityKw: 1200 microgridGenerationCapacityKw: 1200 lastVerif…

投运年份

2024

最近核验

2024

应用场景

Retail/Wholesale

并网状态

是

运行类型

Conditional

高级控制

是

Blackawton配网可用容量仅0.83兆瓦

National Grid Electricity Distribution

Blackawton区域的33—11千伏供电点显示，需求可用容量仅0.833342314，需求约束为红色，限制因素为Thermal。发电侧则显示发电可用容量为5.625090122，发电约束为绿色，说明接入压力主要集中在负荷侧。由于当前没有负荷或发电接入申请获批，后续新增项目是否落地将取决于可用容量与热约束变化。

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

0.83 MW

发电侧约束

宽松

发电可用容量

5.63 MW

自适应下垂系数VSG支持电网频率

OpenAlex

该文提出一种自适应下垂系数VSG控制，用于以更低成本提供电网频率支撑。由于微电网和并网储能在频率支撑中需要兼顾稳定性与经济性，文章围绕控制参数自适应调整展开。论文发表于2024年7月5日，载于IEEE Transactions on Power Systems，主题为Microgrid Control and Optimization，表明其面向微电网控制与储能并网友好性优化，直接对应频率支撑场景。

PSECU楼宇与数据中心微电网运行

United States Department of Energy / Oak Ridge National Laboratory

PSECU在宾夕法尼亚州哈里斯堡的楼宇和数据中心已建成并运行一套并网微电网，2013年投运，属于关键基础设施。其配置以CHP为核心，采用先进控制，说明该项目侧重连续供能与系统协同，而非单一备用电源。项目总容量800千瓦、发电容量800千瓦，直接体现了数据中心场景下的自备与韧性能力。

投运年份

2013

最近核验

2024

应用场景

Data Center

并网状态

是

运行类型

连续型

高级控制

是

Luckwell Bridge电网容量受热力约束

National Grid Electricity Distribution

Luckwell Bridge所在区域的33-11kV电网显示需求和发电侧容量均受限，需求可用容量为3.877675056，发电可用容量为4.116928101，约束等级均为amber。之所以出现这一状态，是因为“demandConstraintLimitingFactor”和“generationConstraintLimitingFactor”都标注为Thermal，说明热力约束在限制接入能力。数据显示，loadConnectionOffersAcceptedCount和generationConnectionOffersAcceptedCount均为0，当前对新增负荷和新增电源接入均未形成已接受报价。

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

3.88 MW

发电侧约束

关注

发电可用容量

4.12 MW

自适应下垂系数VSG控制降低储能成本

OpenAlex

研究提出自适应下垂系数虚拟同步发电机（VSG）控制，用于降低电网频率支撑中的储能成本。文章认为，现有VSG控制方法虽能改善暂态性能或增强频率支撑，但会带来更高的能量需求（TED），从而增加储能系统成本。仿真和实验结果显示，该方法相较现有固定参数方法显著降低TED，并在维持电网支撑效果的同时减少储能配置压力。

Grocery Store Microgrid

United States Department of Energy / Oak Ridge National Laboratory

Fuel Cell organization: Bloom Energy city: North Bellmore state: NY microgridOperationalYear: 2021 marketSector: Food Store gridConnected: true microgridType: Continuous advancedControls: true microgridTechnologies: Fuel Cell microgridTotalCapacityKw: 200 microgridGenerationCapacityKw: 200 lastVerifiedYear: 2024

投运年份

2021

最近核验

2024

应用场景

Food Store

并网状态

是

运行类型

连续型

高级控制

是

St Buryan供电约束为amber

National Grid Electricity Distribution

St Buryan主站的需求侧容量被标为amber，需求可用容量为4.629309177，限制因素为Thermal。generation侧容量标为green，可用容量为6.516392231，当前没有已接受或已提出的负荷和发电连接申请。由于需求侧可用容量低于需求Firm Capacity 6.25，后续新接入与负荷增长将受现有热力约束影响。

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

4.63 MW

发电侧约束

宽松

发电可用容量

6.52 MW

Adaptive-Droop-Coefficient VSG Control for Cost-Efficient Grid Frequency Support

OpenAlex

Adaptive-Droop-Coefficient VSG Control for Cost-Efficient Grid Frequency Support doi: https://doi.org/10.1109/tpwrs.2024.3424149 type: article authorships: [{"author_position":"first","author":{"id":"https://openalex.org/A5100707069","display_name":"Jia Liu","orcid":"https://orcid.org/0000-0002-6808-3215"},"institut…

Grocery Store Microgrid

United States Department of Energy / Oak Ridge National Laboratory

Fuel Cell organization: Bloom Energy city: Oceanside state: NY microgridOperationalYear: 2020 marketSector: Food Store gridConnected: true microgridType: Continuous advancedControls: true microgridTechnologies: Fuel Cell microgridTotalCapacityKw: 250 microgridGenerationCapacityKw: 250 lastVerifiedYear: 2024

投运年份

2020

最近核验

2024

应用场景

Food Store

并网状态

是

运行类型

连续型

高级控制

是