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-- Home Knowledge Center ArresterFacts Library Useful Links Organizations HV Arrester Suppliers Testlabs Power Related Topics ArresterNews Projects Services eConsulting Services eSeminars Arrester Failure Analysis Insulation Coordination Studies Training Opportunities Substation Assessment Consulting to Manufacturers Consulting to Educators Consulting to Users History Hall of Fame Articles Virtual Museum Standards Resources Dictionary Arrester Selection Guide Photos Lightning Protection Calculators About Us Sign up for Our Free Newsletter Transient Events Tucson, Arizona, USA Oct 20-23, 2019 Westin La Paloma & Conference Center More Information -- Icon of the Arrester World Dies John (Jack) W. Kalb Inventor of the Current Limiting Gap for Arreters June 18, 1918 - June 4, 2013 In the April 2009 Hall of Fame Citation , read the story of his career in his own words as written in a letter to ArresterWorks in April 2009. -- Check out our New Facebook Page Coming Soon Webinar Series on Surge Protection of Power Systems More -- What's an Arrester? Our Focus -- ArresterWorks is an International Consulting Firm focused on assisting others in improving power system reliability through design, production and application of arresters to mitigate the effect of lightning and other transients. See how ArresterWorks can help you if you are a Manufacturer , Educator , or User of Arresters Coming Soon Webinar Series on Surge Protection of Power Systems More -- -- Topics of Interest Three Surge Protection Webinars Presented in July-November 2019 Arresters 101 covers the fundamentals of surge protection on Transmission and Distribution Power Systems. In 4 hrs, you will learn everything you need to know to participate constructively in any discussion on surge protection of power systems. We will take vague concepts to practical applications. This is a repeat of our March 2019 Webinar. Arresters 201 this new webinar by ArresterWorks is the next level to our popular Arresters 101. In this webinar the participant will learn details on how to protect under built circuits, how to optimally protect high asset value generators, how to determine if our underground system is properly protected, and much more. Insulation Coordination Fundamentals covers the fundamentals of insulation coordination as well as instruction on how to run transient simulations. The seminar will be presented over a five-week period in two hour sessions. This schedule is intended to allow time in between sessions to complete the provided exercises that will test the individuals understanding of the covered information. Link to Registration Page -- Link to course brochure and outline Link to Registration Page -- Link to course brochure and outline Link to Registration Page -- Link to course brochure and outline T&D Surge Protection Seminar Presented in Melbourne, Australia On a recent trip to Southeastern Australia, ArresterWorks was pleased to present a T&D surge protection seminar at the University of Melbourne, Old Arts Building, Parkville VIC 3052, Australia. The seminar was sponsored by the IEEE Power Engineer Society, Victoria Section, with attendees from several area utilities and consultancies. Surge protection of power systems in Australia requires extra precautions when it comes to the use of arresters due to the increased risks of brush and forest fires. For this reason, ArresterWorks was interested in observing how arresters were utilized in the cities versus the country as well as the different types of arresters used and how they were applied. It was a very informative trip and ArresterWorks is grateful to everyone who helped in this learning experience. Announcing March T&D Surge Protection Webinar This webinar covers the fundamentals of surge protection on Transmission and Distribution Power Systems. In 4 hrs, you will learn everything you need to know to participate constructively in any discussion on surge protection of power systems. We will take vague concepts to practical applications. Date: Start Time: Session Duration: Meeting Software: March 5th and 6th, 2019 10:00 AM New York time Two - 2 hour sessions Go-To-Meeting Click here for details IEC - 1906 Award Recognizes exceptional current achievements of experts -- John Thompson (L) IEC USNC President Jonathan Woodworth (C) ArresterWorks Principal Engineer Frans Vreeswijk (R) IEC General Secretary and CEO On September 13th of this year, ArresterWorks' Jonathan Woodworth received IEC's 1906 Award at a ceremony in Arlington, Va. Jonathan received the award for his role in TC37 working group MT4 leading the development of IEC standard 60099-4 Test Rationale and spearheading the use of monthly virtual meetings. Created in 2004 by the IEC Executive Committee (ExCo), the 1906 Award commemorates the IEC's year of foundation and honors IEC experts around the world whose work is fundamental to the IEC. Onsite Training Offered By ArresterWorks Sometime, the most economical way to train a number of your people is to bring the trainer to your facility. Recognizing this, ArresterWorks has created training sessions that are intended to be presented to a live class room. Each of these sessions can be tailored to meet the specific needs of the customer, covering only the material that is pertinent to the customer’s needs. Seminar offerings: - - - - Substation overvoltage protection seminar Transmission line overvoltage protection seminar Distribution system overvoltage protection seminar Custom seminar base on customer requirements Click here for details Announcing April - May 2018 Insulation Coordination Fundamentals Webinar This online seminar, being offered by ArresterWorks, is designed for students who are familiar with transient software and are looking to expand their knowledge on the concepts of modeling arresters and the necessary principles of an insulation coordination study for surge protection. ATP and ATPDraw will be used for the course discussions, however participants may use the software they have available and are familiar with. Date: Start Time: Session Duration: Meeting Software: April & May 2018 9:00 AM New York time Five - 2 hour sessions Go-To-Meeting Click here for details ArresterFacts Mini on the Marx Generator A long history in arrester testing Without question, the heart of surge arrester testing is the Marx generator. This high impulse current or high impulse voltage generator is used to simulate lightning for all the major impulse tests required by standards. Designed by Erwin Marx in Hermsdorf Germany in 1924, it has changed very little in 94 years. The Marx generator is able to produce such high currents and voltages by charging relatively low voltage capacitors in parallel and then discharging them in series. Today, all these years later, every high impulse voltage and current laboratory owns and operates one or two of these generators. The generator shown in the photo above is an example of a high current Marx generator and is from the Central Power Research Institute (CPRI) of India which has recently upgraded their generator to obtain higher currents as well as their data acquisition system. Announcing ArresterWorks' Online Insulation Coordination Seminar October 2017 -- -- This seminar covers the fundamentals of insulation coordination as well as instruction on how to run transient simulations. The seminar will be presented over a five-week period in two hour sessions. This schedule is intended to allow time in between sessions to complete the provided exercises that will test the individuals understanding of the covered information. Who Should Attend: Anyone who wishes to learn the fundamentals of Insulation Coordination Studies Fee: $699 PDH Credits: 10 credit hrs Recommended Prerequisites • Attendees should have working ATP, ATPDraw and XY-Plot packages installed on their computers. Or your own transient software package to run simulations on. • Fast Internet line that can handle video co...