Exploring the IEEE Standard C37.118–2005 Synchrophasors for Power Systems

IEEE Standard 1344-1995 [1] on measurement of synchronized phasors of power system currents and voltages has been revised and published as IEEE Standard C37.118-2005 [2]. This paper has been prepared by the IEEE Working Group who developed the revised version. The purpose of the paper is to acquaint the power engineering community of the availability and content of this new standard, highlight some of the key differences between the old and new versions, and introduce several applications of this powerful technology.     

Accurate and Computationally Efficient Implementation of the IEEE 1459-2000 Standard in Three-Phase Three-Wire Power Systems

The definitions for the measurement of electrical power quantities under sinusoidal, nonsinusoidal, balanced, or unbalanced conditions are established in IEEE Standard 1459-2000. Measured magnitudes, such as apparent powers or effective quantities, are evaluated considering the frequency spectrum of voltage and current signals (fundamental, nonfundamental, and combined magnitudes). Previous papers implement these definitions in the frequency domain (DFT) and in the time domain (Clarke-Park Transformations). In the time domain, low-pass filters (LPFs) must be applied to obtain the fundamental magnitudes but, in this case, the quality of the measurements depends on the LPFs orders and their cutoff frequencies. This paper proposes a time-domain implementation of the standard definitions without LPFs and employs a recursive averaging algorithm which improves the measurements precision and reduces the computational burden. Simulation and experimental tests showing the proposed method performance are included     

Adaptive Real-time Power Measurement Based on IEEE Standard 1459-2010

This article presents the theoretical development and implementation of an adaptive algorithm for real-time measurement of electrical powers under sinusoidal, non-sinusoidal, balanced, and unbalanced conditions according to the definitions given by IEEE Standard 1459-2010. The algorithm is based on adaptive filter notch filter implementation, where the parameters are adjusted by tracking the amplitude and phase variations to improve the accuracy of the power measurement. The algorithm uses the filter coefficients to calculate powers, resulting in low computational burden. The results of computer simulation and practical implementation using a fixed-point digital signal controller are shown in detail, proving the accuracy and efficiency of the algorithm.     

ANSI／IEEE Std 446-1995 IEEE推荐实施规程用于工商业的应急和备用电源设备（连载一）

该实施规程提出应急和备用电源设备的使用、电源类型、设计和维护。其中第三章概述了社会对应急和备用电源设备的需求以及应急和备用电源设备的配置。第九章罗列了特殊产业对这些电源的不同需求。第四章和第五章论述了这些电源的选用问题。第六章就电源设备和开关装置在系统发生故障时的保护,提出了推荐的应对措施。第七章对设备的接地提出了推荐的设计要求。第十章对满足可靠性目标提出了推荐的设计要求。第八章提出了推荐的维护实施规程。     

基于IEEE 1459标准的非线性负载有功功率测量研究

针对谐波有功损耗测量问题,文中改进了Emanuel功率理论中非线性负载等效模型,并结合基于Emanuel功率理论的IEEE 1459标准中视在功率分解公式,推导了基于改进的非线性负载等效模型的谐波有功损耗测量表达式;利用Matlab仿真分析非线性负载有功损耗的3种测量方式;通过比较得出所提测量方法能更准确方便地测量非线性负载有功损耗。最后,利用电能质量测量仪器,实测某电网10 kV负载谐波含量,结合所提方法计算负载有功损耗,验证了该方法的有效性及其带来的经济效益。     

Revising IEEE Standard C37.2

This article describes the experiences in revising and updating a key IEEE Standard C37.2 - Standard for Electrical Power System Device Function Numbers, Acronyms, and Contact Designations. The article cites the historical evolution of this standard dating back to 1928. The wide utilization of modern, multifunction relays and many new functions made clear the need to update the 1996 version of this standard. In addition the interweaving of communication facilities into protection and control requirements had to be addressed from function and designation points of view. The article demonstrates the importance of the involvement of the members of the IEEE in standards and the need for continued input from these members to ensure relevance to present application needs, coherence, and compatibility with other industry standards and practices.     

分布式电源并网标准发展与对比

随着分布式电源技术的发展和在电网中渗透率的提高,各个国际组织和国家都颁布和修订了自己的分布式电源并网标准。为了探究中外分布式电源并网标准的发展趋势,互相学习分布式标准制定和修订的经验,本文主要介绍了在国际上被广泛接受的IEEE 1547标准和我国国内分布式电源并网标准,针对标准中有关异常状况响应、功率控制和电压调节、低电压穿越等方面的内容进行了比较,选取了分布式电源中有代表性且发展较快的风力发电与光伏发电为例进行了具体介绍。通过对IEEE1547原始标准与修订版本的纵向比较,以及我国不同分布式电源并网标准和国外组织与国家标准的横向比较,分析了各标准之间的差异成因,探讨了分布式电源标准未来的发展方向,为国际分布式电源并网标准和我国国内标准的进一步完善提供了参考借鉴,也为并网逆变器设备制造商和并网保护装置生产厂家提供了设计依据。     

电力系统电能累计量传输配套标准在电能量计量系统中的应用

重点介绍了《电力系统电能累计量传输配套标准》DL/719-2000在电能量计量系统中的实际应用情况、应注意的问题和一些认识，对IEC60870-5-102标准的适用性以及DL／T719-2000标准的改进、完善情况进行了说明。