Cell imbalance is one of the key factors that limit the capacity and power of battery energy storage systems (BESS),especially the large lithium-ion battery packs.To deal with the unbalancing problem,an effective balancing circuit is required,so is an optimal balancing strategy.In this paper,an optimal strategy for cells balancing has been presented.Contrary to the conventional balancing algorithms which base on instantaneous voltage or state-of-charge (SOC) no matter what the cause of imbalance is,the proposed strategy is targeted to different imbalance situations.Four cases of cell imbalance have been analyzed and the balancing effects of different algorithms are discussed.The simulation results show that the proposed strategy improves the performances of battery packs,including the usable capacity and maximum power. 

关键词：平衡策略；不平衡分析；磷酸铁锂电池；电池储能系统（BESS）

查看摘要 索取原文[8页]

Modern aircraft increasingly rely on electric power for subsystems that have traditionally run on mechanical power. The complexity and safety- criticality of aircraft electric power systems have therefore increased, rendering the design of these systems more challenging. This work is motivated by the potential that correct-by-construction reactive controller synthesis tools may have in increasing the effectiveness of the electric power system design cycle. In particular, we have built an experimental hardware platform that captures some key elements of aircraft electric power systems within a simplified setting. We intend to use this platform for validating the applicability of theoretical advances in correct-by-construction control synthesis and for studying implementation-related challenges. We demonstrate a simple design work ow from formal specifications to auto-generated code that can run on software models and be used in hardware implementation. We show some preliminary results with different control architectures on the developed hardware testbed

关键词：飞机;电力系统;试验床;电路

查看摘要 索取原文[26页]

The electric power system in North America is linked between the United States and Canada. Canada has historically been a net exporter of electricity to the United States. The extent to which this remains true will depend on the future evolution of power markets, technology deployment, and policies. To evaluate these and related questions, we modify the Regional Energy Deployment System (ReEDS) model to include an explicit representation of the grid-connected power system in Canada to the continental United States. ReEDS is unique among long-term capacity expansion models for its high spatial resolution and statistical treatment of the impact of variable renewable generation on capacity planning and dispatch. These unique traits are extended to new Canadian regions.

关键词：电力系统；电力；评价；可再生能源；空间分辨率

查看摘要 索取原文[50页]

Transmission line flashing will cause large area and long time of blackouts,it happens in the working voltage,and it poses serious threat to the electric power system.With the development of industry,the increase of power grid capacity and rated voltage level,there are more and more flashing accidents occurred in the power system of power transmission and transformation equipment external insulation,also the damage that they bring about to our economy is getting larger.Aiming at a series of problems caused by transmission line flashing,this paper comes up with an assessment method of transmission line flashing,it improves the forecast accuracy and efficiency so as to ensure the safety operation of transmission.

关键词：层次分析法;输电线路;污闪;状况评估;电力系统

查看摘要 索取原文[5页]

Demand-side management (DSM) work which is a kind of system engineering is involved with not only many participators like governments, power grid enterprises, power generation enterprises, energy conservation service companies, power users, and others but also many links like the DSM project planning, establishment, design, implementation, post evaluation, etc. Different participators have respective objects and interests; the specialization of every link is comparatively strong and knowledge about multiple aspects such as electric power system, technical economy, environmental protection, law, etc.

关键词：需求侧管理；系统工程；电力系统；节能

查看摘要 索取原文[48页]

This chapter introduces a novel framework for modeling interacting humans in a multi-stage game. This "iterated semi network-form game" framework has the following desirable characteristics: (1) Bounded rational players, (2) strategic players (i.e., players account for one another's reward functions when predicting one another's behavior), and (3) computational tractability even on real-world systems. We achieve these benefits by combining concepts from game theory and reinforcement learning. To be precise, we extend the bounded rational "level-K reasoning" model to apply to games over multiple stages. Our extension allows the decomposition of the overall modeling problem into a series of smaller ones, each of which can be solved by standard reinforcement learning algorithms. We call this hybrid approach "level-K reinforcement learning". We investigate these ideas in a cyber battle scenario over a smart power grid and discuss the relationship between the behavior predicted by our model and what one might expect of real human defenders and attackers.

关键词：计算；电网；网络战；K推理

查看摘要 索取原文[28页]

关键词：不平衡保护;安全;SCB市场; PSCAD

查看摘要 索取原文[6页]

The human constitution can be classified into four possible constitutions according to an individual's temperament and nature: Tae-Yang (太陽), So-Yang (少陽), Tae-Eum (太陰), and So-Eum (少陰). This classification is known as the Sasang constitution. In this study, we classified the four types of Sasang constitutions by measuring twelve sets of meridian energy signals with a Ryodoraku device (良導絡). We then developed a Sasang constitution classification method based on a fuzzy neural network (FNN) and a two-dimensional (2-D) visual model. We obtained meridian energy signals from 35 subjects for the So-Yang, Tae-Eum, and So-Eum constitutions. A FNN was used to obtain defuzzification values for the 2-D visual model, which was then applied to the classification of these three Sasang constitutions. Finally, we achieved a Sasang constitution recognition rate of 89.4.

关键词：EUM；电气工程；模糊神经网络

查看摘要 索取原文[6页]

Demand response (DR) has the ability to both increase power grid reliability and potentially reduce operating system costs. Understanding the role of demand response in grid modeling has been difficult due to complex nature of the load characteristics compared to the modeled generation and the variation in load types. This is particularly true of industrial loads, where hundreds of different industries exist with varying availability for demand response. We present a framework considering industrial loads for the development of availability profiles that can provide more regional understanding and can be inserted into analysis software for further study. The developed framework utilizes a number of different informational resources, algorithms, and real-world measurements to perform a bottom-up approach in the development of a new database with representation of the potential demand response resource in the industrial sector across the U.S. This tool houses statistical values of energy and demand response (DR) potential by industrial plant and geospatially locates the information for aggregation for different territories without proprietary information. This report will discuss this framework and the analyzed quantities of demand response for Western Interconnect (WI) in support of evaluation of the cost production modeling with power grid modeling efforts of demand response.

关键词：互联电力系统；需求响应；负荷管理；成本；电力

查看摘要 索取原文[78页]

This paper presents decomposition method of mathematical model of electric power system and implementation its in digital system with GPU.The electric power system model can be used for real-time simulation of electromagnetic transients.The article presents the results of experimental research of calculation time for two different digital systems using both the CPU and GPU.

关键词：电磁暂态；实时仿真；并行处理；GPU；电力系统

查看摘要 索取原文[5页]