Operational Adequacy Studies of a PV-Based and Energy Storage Stand-Alone Microgrid

被引：56

作者：

Koh, L. H. ^{[1
,2
]}

Wang, Peng ^{[2
]}

Choo, Fook Hoong ^{[1
]}

Tseng, King-Jet ^{[2
]}

Gao, ZhiYong ^{[3
]}

Puettgen, Hans B. ^{[1
]}

机构：

[1] Nanyang Technol Univ, Energy Res Inst NTU, Singapore 639798, Singapore

[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

[3] ASTAR, Expt Power Grid Ctr, Singapore 627590, Singapore

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2015年 / 30卷 / 02期

关键词：

Expected energy not supplied (EENS); expected energy not used (EENU); energy storage system; operation; photovoltaic penetration; planning; power system reliability; ramp rate; spinning reserve; state enumeration; stochastic; uncertainty; RAMP-RATE LIMITS; UNIT COMMITMENT; POWER-SYSTEMS; DESIGN;

D O I：

10.1109/TPWRS.2014.2334603

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a probabilistic approach in the modeling of stand-alone microgrids to predict their operational adequacy performance considering uncertainty of energy storage system (ESS), photovoltaic system (PVS) and conventional generator (CG). Instead of using the daily or hourly time step, operating period a minutely time step is considered to incorporate the effect of fast ramp up/down of system components on microgrid operating adequacy through expected energy not supplied (EENS) and expected energy not used (EENU), due to load and resource variations. A time varying state of charge (SOC) model is proposed to determine power output of an ESS in reliability modeling. The reliability of a PVS is modeled in detail based on the total cross-tied configuration (TCTC) of photovoltaic (PV) cells and arrays. The proposed technique and indices will be useful for system planners to select the type and size of microgrid systems that contain alternative energy sources and storage.

引用

页码：892 / 900

页数：9

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