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2013 International Conference on Power, Energy and Control (ICPEC)最新文献

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Software implementation of the Central Solar Battery Charging Station (CSBCS) 中央太阳能电池充电站的软件实现
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527754
F. Chowdhury, F. Shabnam, F. Islam, A. Azad
Solar Battery Charging Station is the beginner's outline of the Central Solar Battery Charging Station which can be worn as an alternation of the complementary power source or electricity for assembling the ever-increasing demand of our country, Bangladesh. Solar energy is a form of best renewable energy and by implementing this project as a prototype one; our motto is to extend the voice for “Go Green-Save the Planet-work for existence”. Software implementation is needed to monitor the charging status of the individual batteries in a station. It can also detect whether the battery has been damaged or not at a certain voltage level. Thus, we have deliberated our software to monitor all the probable actions in the software development for Central Solar Battery Charging Station. It indicates the charging status independently for each battery coupled to the prototype central charging station through a charge controller that deliver the requisite quantity of current to the battery and also connected superficially with a Data Acquisition Card to examine the battery state with our software deployed using VISUAL STUDIO 2010 in C# programming language. Consequently, the entire charging process of the central charging station is a solitary means of communication as we are going to provide input quantity directly from PV solar panel or diesel generator (unconventional source).
太阳能电池充电站是中央太阳能电池充电站的初级轮廓,可以作为补充电源或电力的替代,以满足我国孟加拉国日益增长的需求。太阳能是一种最好的可再生能源,通过实施这个项目作为一个原型;我们的座右铭是扩大“绿色环保,拯救地球,为生存而工作”的呼声。需要软件实现来监控电站中单个电池的充电状态。它还可以在一定的电压水平下检测电池是否损坏。因此,我们考虑了我们的软件来监控中央太阳能电池充电站软件开发中的所有可能的动作。它通过充电控制器向电池提供所需的电流,并与数据采集卡表面连接,独立显示每个电池的充电状态,通过VISUAL STUDIO 2010和c#编程语言部署软件来检测电池状态。因此,中央充电站的整个充电过程是一种孤立的通信方式,因为我们将直接从光伏太阳能电池板或柴油发电机(非常规来源)提供输入量。
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引用次数: 4
Unit commitment using DP — An exhaustive working of both classical and stochastic approach 使用DP的单位承诺-经典和随机方法的详尽工作
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527686
B. Saravanan, S. Sikri, K. Swarup, D. Kothari
In the present electricity market, where renewable energy power plants have been included in the power systems there is a lot of unpredictability in the demand and generation. There are many conventional and evolutionary programming techniques used for solving unit commitment problem. The use of augmented Lagrangian technique by convergence of decomposition method was proposed in 1994, and in 2007 chance constrained optimization was used for providing a solution to the stochastic unit commitment problem. Dynamic Programming is a conventional algorithm used to solve deterministic problem. In this paper DP is used to solve the stochastic model. The stochastic modeling for generation side has been formulated using an approximate state decision approach. The programs were developed in MATLAB environment and were extensively tested for 4 unit 8 hour system. The results obtained from these techniques were validated with the available literature and outcome was satisfactory. The commitment is in such a way that the total cost is minimal.
在当前的电力市场中,可再生能源发电厂已被纳入电力系统,在需求和发电方面存在很多不可预测性。有许多传统的和进化的规划技术用于解决机组承诺问题。1994年提出了基于收敛分解的增广拉格朗日技术,2007年采用机会约束优化方法求解随机单元承诺问题。动态规划是求解确定性问题的一种传统算法。本文采用差分法求解随机模型。采用近似状态决策方法建立了发电侧的随机模型。程序在MATLAB环境下开发,并在4台8小时系统中进行了广泛的测试。这些方法得到的结果与现有文献一致,结果令人满意。承诺是这样的,总成本是最小的。
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引用次数: 5
Competitiveness analysis of wind turbine manufacturing industry in China: Based on double diamond model 中国风力发电机制造业竞争力分析:基于双钻石模型
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527732
Yun-na Wu, Heping Wang, Yang Li, M. Naren
With the development of modern society, the demand on energy is getting larger, the usage of renewable energy is always the target of a research. Chinese wind power industry have had a rapid development under the support from government. However, lots of problems has been exposed since 2010, it is a critical time for Chinese WTM enterprises. This paper attempts to formulate an analytical model for studying and assessing factors that have significant impacts on the local industry. A Double Diamond Model is developed to help the international community to understand the status of the Chinese wind power industry.
随着现代社会的发展,对能源的需求越来越大,可再生能源的利用一直是人们研究的目标。在政府的大力支持下,中国风电产业得到了快速发展。然而,2010年以来,中国WTM企业暴露出了许多问题,这是一个关键时期。本文试图建立一个分析模型,用于研究和评估对当地产业产生重大影响的因素。为了帮助国际社会了解中国风电产业的现状,我们建立了双钻石模型。
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引用次数: 0
Reduced and approximate models of Philippine major island power grids 菲律宾主要岛屿电网的简化和近似模型
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527752
E. B. Cano, F. A. Shaikh
The restructuring of electric power industry brings challenges and opportunities among its stakeholders. Economic and engineering analyses brought forth by these changes are usually tested on power system test models to study different strategies. In a developing country, like the Philippines, where commercial and security concerns may prevent the availability of these test systems, the involvement of research and academic communities' maybe limited. This paper reports the development of reduced and approximate power system models for major islands in the Philippines using publicly available data which can be utilized for research and academic purposes.
电力行业的结构调整给电力行业的利益相关者带来了挑战和机遇。这些变化带来的经济和工程分析通常在电力系统测试模型上进行测试,以研究不同的策略。在像菲律宾这样的发展中国家,商业和安全问题可能阻碍这些测试系统的可用性,研究和学术团体的参与可能是有限的。本文报告了菲律宾主要岛屿使用可用于研究和学术目的的公开数据的简化和近似电力系统模型的发展。
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引用次数: 5
Corrective action planning for power system load frequency control 电力系统负荷频率控制的纠正措施计划
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527694
M. Sharma, L. Shrivastava, M. Pandit
The main objective of Load Frequency Control (LFC) is to maintain reasonably uniform frequency, to divide the load between generators, and to control the tie-line interchange schedules. The LFC is one of the most important issues in power system operation and control for supplying sufficient power of good quality with certain reliability. The control strategies guarantee that the steady state error of frequencies maintained in a given tolerance limit. This paper presents an artificial neural network based on Levenberg-Marquardt algorithm (LMNN) for load frequency control of a power system. A comparison of the efficiency of the proposed ANN based corrective action planning with the conventional integral controller shows the superiority of proposed approach for different loading conditions in wide range.
负荷频率控制(LFC)的主要目标是保持合理均匀的频率,在发电机之间分配负荷,以及控制联络线交换计划。为保证电力系统提供充足、优质、可靠的电力,低功耗控制是电力系统运行和控制的重要问题之一。该控制策略能保证频率的稳态误差保持在给定的容差范围内。提出了一种基于Levenberg-Marquardt算法(LMNN)的电力系统负荷频率控制人工神经网络。将基于人工神经网络的纠正行动计划与传统积分控制器的效率进行了比较,表明了该方法在大范围内适用于不同负载条件的优越性。
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引用次数: 8
Performance of magnetic energy recovery switch as a series FACTS controller 磁能回收开关作为串联FACTS控制器的性能
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527630
P. Bakkiavathi, C. Rajan
Developing active series compensation in transmission systems is challenging due to the large currents and voltage capabilities requirement. The main purpose of this paper is to show that the magnetic energy recovery switch (MERS) can be an attractive new series compensator by applying appropriate control. The MERS is similar to a single-phase full bridge, meaning that compared to the gate-commutated series capacitor, it has twice the number of active switches. However, advantages, such as the double voltage-current operating range, eliminating the need for reverse blocking switches, zero current turn-on, and a lower current conduction period of each switch can make the MERS an attractive alternative. The basic characteristics of the MERS have been found to be similar to a series connection of a voltage source and a capacitor in steady state. With this dual characteristic, a control method has been suggested, where the minimization of the harmonics in the series-injected voltage and stable operation during large setpoint changes have been achieved. The resulting subharmonic characteristic also indicates a low risk of subsynchronous resonance.
由于输电系统对电流和电压的要求很大,开发有源串联补偿具有挑战性。本文的主要目的是表明,通过适当的控制,磁能回收开关(MERS)可以成为一种有吸引力的新型串联补偿器。MERS类似于单相全桥,这意味着与栅极整流串联电容器相比,它具有两倍的有源开关数量。然而,双电压-电流工作范围、不需要反向阻断开关、零电流导通以及每个开关更短的电流传导周期等优点使MERS成为一种有吸引力的替代方案。发现MERS的基本特性类似于电压源和稳态电容器的串联连接。利用这一双重特性,提出了一种控制方法,该方法可以在大设定值变化时实现串联注入电压谐波的最小化和稳定运行。由此产生的次谐波特性也表明次同步谐振的风险很低。
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引用次数: 3
Application of novel DSM techniques for industrial peak load management 新型需求侧管理技术在工业高峰负荷管理中的应用
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527692
P. Babu, K. A. Kumar
Demand for Electrical Energy in developing countries is rising significantly. Every year the demand of electricity is increasing by 6-8 percent while production is not increasing with the same rate. When demand is more than supply, it leads to peak alarm and energy shortages continue to outbreak the sector. The gap between demand and supply of electrical energy is widening at the rate of 3% day by day. Bridging this gap by setup of new power plant is very difficult, expensive proposition and time taking process. The only value way in handling these crises is Demand Side Management (DSM) Strategies. DSM focuses on optimal utilization of available electricity during peak and off peak hours, this helps to maintain consumer loads indirectly by reducing the unscheduled outages. As there is a strict control over the maximum demand to avoid paying penalty on excess maximum demand for the consumer. This paper examines types of DSM measures that can reduce energy demand to electric utilities. In addition it illustrates how existing utility data can be used to predict customer demand management behavior. With reduction in consumer load during peak hours, there is great improvement in the load curve and load factor along with saving in energy bill due to lowering MD charges during peak hours.
发展中国家对电能的需求正在显著上升。电力需求每年以6- 8%的速度增长,而产量却没有以同样的速度增长。当需求超过供应时,就会导致峰值警报,能源短缺继续爆发。电力需求和供应之间的差距正以每天3%的速度扩大。通过建立新的发电厂来弥补这一差距是非常困难的,昂贵的提议和耗时的过程。处理这些危机的唯一有价值的方法是需求侧管理(DSM)战略。帝斯曼专注于在高峰和非高峰时段对可用电力的最佳利用,这有助于通过减少计划外停电间接维持消费者负荷。由于对最大需求量有严格的控制,避免因超出最大需求量而对消费者造成罚款。本文探讨了可以减少电力公司能源需求的DSM措施类型。此外,它还说明了如何使用现有的公用事业数据来预测客户需求管理行为。随着高峰时段用户负荷的减少,负荷曲线和负荷系数有了很大的改善,同时由于高峰时段MD费用的降低而节省了能源费用。
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引用次数: 5
PMSM stabilizer design based on backstepping 基于反步法的永磁同步电机稳定器设计
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527696
Yang Yun
PMSM with high efficiency, high reliability and good control characters, has been widely used. Backstepping approach based on Lyapunov theorem is perfectly fit for PMSM control. In this paper, backstepping control theory is applied to design a speed controller to control the speed of PMSM. Considering parameters uncertainty, a further adaptive backstepping controller is designed. Additionally, chaos as an actual existence of PMSM, based on adaptive backstepping, is simulated in paper. The simulation results show that the backstepping controller can reduce the overshoot and greatly shorten the time to stabilize. Moreover, the results show that the adaptive backstepping controller cannot only ensure the stability of the system, but also effectively restrain the harmful effects on speed control system. Besides, with adaptive backstepping controller, all external interferences will be offset and factors will be stable.
永磁同步电动机具有高效率、高可靠性和良好的控制特性,得到了广泛的应用。基于李雅普诺夫定理的反演方法非常适合于永磁同步电机的控制。本文应用反步控制理论设计了一种速度控制器来控制永磁同步电动机的速度。考虑参数的不确定性,进一步设计了自适应反步控制器。此外,本文还基于自适应反步法对永磁同步电机混沌的实际存在进行了仿真。仿真结果表明,反步控制器可以有效地减小系统的超调量,大大缩短系统的稳定时间。结果表明,自适应反步控制器不仅能保证系统的稳定性,而且能有效地抑制反步控制器对速度控制系统的有害影响。此外,自适应反步控制器可以抵消所有外部干扰,使各因素保持稳定。
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引用次数: 2
A comprehensive survey of grid failure in India 印度电网故障的全面调查
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527747
T. Halder
The paper advocates massive Grid failure of power networks when excessive power is drawn by power utilities or more areas. As a regional grid may not prolong usage of power, other grids supply additional power to that area. If the automated system fails to recognize the surplus power drawal line, the overloaded grid will fail entirely, creating additional failures. This is how the failure took place within a number of power grids on 30-07-2012 at about 1 pm on havoc practical data collection and comprehensive survey basis.
本文主张当电力公司或更多地区的电力过剩时,电网会发生大规模的电网故障。由于一个地区电网不能延长电力的使用时间,其他电网向该地区提供额外的电力。如果自动化系统不能识别多余的电力引线,超负荷的电网将完全失效,造成额外的故障。这是在浩劫实际数据收集和综合调查的基础上,于2012年7月30日下午1点左右在多个电网内发生的故障。
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引用次数: 12
Control methodology of three phase four wire current controlled voltage source active power filter for power quality improvement 改善电能质量的三相四线电流控制电压源有源电力滤波器的控制方法
Pub Date : 2013-06-13 DOI: 10.1109/ICPEC.2013.6527714
C. Ravichandran, L. Premalatha, R. Saravanakumar
In this paper two topologies of current controlled voltage source inverter (CCVSI) based active power filter using direct current control technique for compensating unbalanced loads in a three-phase four-wire system is proposed. In this method the harmonic compensation current reference is generated without introducing any additional harmonic extraction filtering circuits. A control approach for balancing the DC voltage of the active power filter is incorporated to cover the system losses. The proposed shunt active power filter compensates harmonics and reactive power in all three phases as well as the neutral current. To regulate and balance the dc capacitor voltage, a current control method using hysteresis controller is proposed. The simulation results based on MATLABSimulink tool demonstrate the feasibility of the proposed topologies. The total harmonic distortion of source current has been calculated and compared for two topologies to demonstrate important compensation characteristic of proposed control methodology of shunt active power filter.
本文提出了两种基于直流控制技术的电流控制电压源逆变器(CCVSI)有源滤波器拓扑结构,用于补偿三相四线制系统中的不平衡负载。该方法在不引入任何额外谐波提取滤波电路的情况下产生谐波补偿电流基准。采用一种平衡有源电力滤波器直流电压的控制方法来覆盖系统损耗。所提出的并联有源滤波器补偿三相谐波和无功功率以及中性电流。为了对直流电容电压进行调节和平衡,提出了一种利用磁滞控制器进行电流控制的方法。基于MATLABSimulink工具的仿真结果验证了所提拓扑结构的可行性。计算并比较了两种拓扑的源电流总谐波畸变,证明了并联型有源滤波器控制方法的重要补偿特性。
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引用次数: 6
期刊
2013 International Conference on Power, Energy and Control (ICPEC)
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