December 2014 Issue
And this requires maintenance. In order to avoid any misunderstanding it is best to start the discussions on this topic in this edition of the magazine by common industry definitions. According to the IEC 60050 International Electrotechnical Vocabulary (Electropedia): Maintenance is the combination of all technical and administrative actions, including supervision actions, intended to retain ... More


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Industry News

78th IEC General Meeting

The 78th General Meeting of the IEC was hosted by the Japanese National Committee of the IEC and the Japanese Industrial Standards Committee. It took place at the Tokyo International Forum (TIF) Tokyo, Japan, from 10 to 14 November 2014. The Technical Committee and Subcommittee meetings started on November 4th and continued until 15 of November. The theme for the Meeting was &ldq... More


IEC 61850-3 and IEEE 1613 Intel Atom Automation Computers Advantech's UNO-4600 series come with a compact 2U  rack mount form factor, rear-end wiring, front panel LED indicator, and  environmental and EMI immunity specially designed for power and energy  markets.  They also come with Ethernet, USB, and COM ports, as well as PC/104+ expansion slot and substation domain I/O ... More

Alstom and Florida Power & Light

Critical Circuit Application Optical Current Transformers Detect Loss of Phase on Unloaded Transformers Alstom and Florida Power & Light Company (FPL) announce the first deployment of their jointly-conceived measurement and protection scheme for nuclear standby generator monitoring.  The protection problem to be solved was to detect at a remote location the loss of a single phase in ... More

NR Electric's PSCSTM

NR Electric’s Power Stability Control System NR Electric delivers the innovative Power Stability Control System (PSCSTM) to improve power system stability and significantly reduce possible blackouts. This technology differs from other System Protection Schemes (SPS) that it relies on instability prediction instead of instability measurement. Before installation, the tactic table is ... More

OMICRON electronics

Automated Testing of Recloser Controls CMControl, OMICRON´s easy-to-use control device for CMC test sets, offers several new features: For instance, its software for testing recloser controls is now available for use with Android tablets. When creating automated test plans, the newly developed PC software ReCoPlan is also supported.         &... More


Build full digital substations with SIPROTEC Siemens offers new Merging Unit SIPROTEC 7SC805 for conventional instrument transformers. This device allows conversion of existing substations to process bus substations without change in the primary equipment. This approach reduces cable complexity, simplifies workflows, and makes both new and existing systems – especially those with ... More


Whitepaper - Solving Electrical Substation Timing Problems This white paper by Dr. David Ingram and Brian Smellie explains how PTP can be used in substation automation systems to overcome incompatibilities and shortcomings of existing time distribution systems. The operation of PTP using the “Power Profile” is explained and examples of how PTP can be used in new and existing subs... More


Controlled Switching Devices for Medium Voltage CBs VIZIMAX is pleased to announce the release of its new line of Controlled Switching Devices (CSD) for MV applications. Utilities, Industries and IPPs use the SynchroTeq MV to reduce or eliminate transients caused by random switching of new or existing circuit breakers. Designed as a CB manufacturer agnostic product, SynchroTeq MV allows b... More

Technology News

SolaRoad - an inexhaustible source of green power

Distributed Energy Resources (DERs) are becoming available in the world around us in all forms and shapes. One of the latest is SolaRoad - a pioneering innovation in the field of energy harvesting. It is a unique concept, which converts sunlight on the road surface into electricity: the road network works as an inexhaustible source of green power. The dream is that all roads act like so... More


Unified Modelling Language The development and implementation of methods that can be used for the engineering of PAC systems requires the availability of tools that can be used to represent the systems’ specification. The Unified Modeling Language (UML) has become the de-facto standard for building Object-Oriented software. The OMG (Object Management Group) specification states: "Th... More

Cover Story

Standards Based Engineering of PAC Systems

The IEC 61850 international standard for substation and power system communications is not just defining a new protocol. It is also introducing abstract models of primary and secondary substation equipment, communications systems and the relationship between all of them. It also defines an XML based format for the description of the above in a standard way that can be used at different stages... More

IEC 61850 Update


TISSUES (Technical Issues) When you develop a standard that has multiple parts and more than 1000 pages, there is always a risk that inconsistencies are introduced between the different parts, or that what the Editor believes is pretty clear is interpreted differently by the developer. As a consequence, not only the standard needs to be fixed, but the developers also need to get an answer as ... More

Lessons Learned

Third Party Tools for IEC 61850 substation modernization projects

Vattenfall chaired the IEC 61850 working groups for adopting IEC 61850 to both hydro and wind power domains. During the last 8-10 years a number of internal R&D activities have studied the possibilities and benefits of applying IEC 61850 and internal guidelines have been developed in parallel to ongoing projects for applying the standard. The first IEC 61850 substations were commissioned i... More

IEC 61850 Edition 2 and Engineering

IEC 61850 Edition 2 and Engineering

Further there are additions to overcome problems experienced with Edition 1, and due to new functionality needed for other application areas. For backwards compatibility all additions are optional. Thus, if the new features shall be used, it should be checked if the envisioned Edition 2 IED has really implemented it. In practice the first actual usage of the SCL language at system level was ... More

PAC System Engineering Perspectives

PAC System Engineering Perspectives

This article considers a system that is first governed by never changing fundamental laws (Ohm’s Law), then by progressively evolved practices over time, all while surrounded by a series of standard that guide some of its realizations (e.g., IEC, IEEE, etc). Thus, though system engineering starts from a well-established basis, it needs a change supported by the evolving technology. This... More

Legal Issue

Employee Personnel Files

In the previous issues we discussed some sensitive topics of employment related to employees’ privacy and more specifically the matter of employer searches and the different types of testing of employees at work. Although some of these measures are controversial, and may even look quite inapplicable, most of them are legal and are a widely accepted practice necessary for the betterment ... More

Device Independent Specification of a PAC System

Device Independent Specification of a PAC System

The migration towards renewable energies and smart grid technology requires innovation and investment. Utilities are under pressure to decrease costs without compromising the reliability of their services. It is proven that IEC 61850 helps to lower the hardware and wiring costs of an SAS. On the other side there have been high adoption costs for the new technology and whilst interoperability ... More

The Guru

Interview with PACWorld guru Charles Mozina

PAC World:  When and where were you born? C.M: I was born in Cleveland Ohio in 1942. PAC World: Do you remember having any interests as a child that would indicate that you will become an engineer? C.M.:  When I grew up TV was not yet in homes and radio was the means of electronic communication and entertainment - I got interested in electronics and built a few radios from k... More


Protection History

The Development From 8 to 32 bit Microprocessors in Digital Relays In the last issues we covered the first digital relays and their predecessors. For digital relays in the 1980s 8-bit-microprocessors have been used. For the setup a serial interface on the front of the relay was used with setup-terminals in the first years and later with laptops (Figure1). Keypad terminals have also b... More

I Think

Platforms the way to a new world order

In the world of Smart Grids one of the major concerns is the return of investment or shareholder value. In the traditional way of thinking we take the costs, calculate the benefits and based on that define whether it makes sense to invest in a technology or solution. This model is based on the principle that money is scarce which was developed centuries ago. Recently newspaper articles have ... More

Industry Reports


Implications and Benefits of Standardized Protection and Control Schemes by Working Group B5.27 The transition of the electric power industry towards a Smart Grid requires improvements in the quality and efficiency of all aspects of the protection, automation and control schemes engineering process. The development of standardized protection and control schemes for specific types of substat... More

Conference Reports

45th CIGRE Session 2014, Paris, France

The event was held in the Palais de Congres in Paris, France from 25 to 29 August 2014. This is one of the key global events for our industry, which brings several thousand specialists from many countries and all continents around the world.  The conference program on Monday was dedicated to the General Assembly of CIGRE members. Tuesday to Friday the main events in the program were m... More

Asia-Pacific Protection & Testing Conference 2014, Singapore

The Second Asia-Pacific Protection and Testing Conference took place 15-16 October 2014 at the Swissotel Merchant Court, Singapore. The theme was “Improving the quality and efficiency of protection and control systems." The conference is held every two years with the goal of providing a forum for the attendees from the Asia-Pacific region, Europe and North America to discuss the imp... More

Australian Protection Symposium, Sydney, Australia

APS was held 12-13 August 2014 at Dockside, Darling Harbour, Sydney, Australia. It is an annual event dedicated to the presentation of new developments, practical application of methods and technologies and experiences gained in the field of protection, automation and control for modern electrical power generation, transmission and distribution systems. APS is the forum for discussions a... More

IEEE Power Systems Computations Conference, Wroclaw, Poland

The 18th PSCC was held in Wroclaw, Poland from the18th to the 22nd of August, 2014.  It is one of the most prestigious conferences in the area that takes place every three years and gives to the international forum of researchers and power system engineers a good opportunity to exchange knowledge and experiences on the latest developments in the field.    ... More

PAC World Americas Conference 2014, Raleigh, USA

After the success of the first regional PAC World conferences for Latin America in Florianopolis, Brazil and for Africa in Cape Town, South Africa, Raleigh, USA became the home of the first PAC World Americas conference. The conference was held 23 - 25 September 2014 at the Raleigh Convention Center.  The event was preceded by vendors’ seminars or workshops organized on Monday. ... More

Western Protective Relay Conference, Spokane, USA

The event was held at the Spokane Convention Center. The 41st Western Protective Relay Conference (WPRC) was a three days event that was held from 14 to 16 October 2014. This annual event is held every year in Spokane, Washington, USA and is an educational forum organized by Washington State University for the presentation and detailed technical discussion of broad range of different ... More

Book Review

System Engineering Management

Fourth Edition Many of the engineers in the field of electric power systems protection, automation and control field have education and experience related to the design and application of specific schemes, but lack the knowledge required for the efficient design of complex systems that is required in the age of the Smart Grid. And this is where the book “System Engineering Management... More


Power, Sports and Humor

For many years a big part of my life was my career as a power system automation engineer. Throughout the years of my employment by Iskra, largest electronic equipment manufacturer in Yugoslavia, and Korona Power Engineering Company, which I established with four partners in 1988 (and is still doing well), I worked on many positions both as a development and design engineer as well as marketin... More

Final Thoughts
If we look at the world around us we will see a constant movement of individuals, groups of people and organizations, states and countries - all trying to get ahead, to improve their quality of life and their position in the world. And this is great. The question is how do we do it? Unfortunately in many cases this is not done right because of the need for instant gratification. But instan... More

Relion advanced protection & control.
BeijingSifang June 2016