There is a common, and often used, phrase around Tony Demaria Electric (TDE): “Call Neno.” TDE’s Tony Demaria, Jr. says he doesn’t want to imagine the business without Nenad “Neno” Pasic. “He solves everyone’s problems. It is well known, any time there is a problem, we say ‘Call Neno!’” Demaria says. “Neno is always willing to do whatever it takes …
David Koehler credits his success to his many mentors, excellent managers and colleagues in the industry, and one very important lesson: “Always conduct yourself in a professional and ethical manner,” he says. While that may be important, it’s just one small part of the reason Koehler was presented with this year’s Alliance Recognition Award, which was a complete surprise. “I …
PowerTest 2021, NETA’s premier electrical maintenance and safety conference, ran live from March 8 through 11, 2021. Held virtually, PowerTest TV offered a live keynote, interactive sessions and panels, and a virtual trade show. “Our first virtual PowerTest conference was a huge success,” says Conference Committee Chair Ron Widup of Shermco Industries. “Despite the challenges of COVID-19, PowerTest TV delivered …
Artificial intelligence (AI) systems provide promise in analyzing and evaluating power system data. There is currently a large push to use AI and machine learning (ML) to help reduce time performing maintenance on transformers and predict where and when the next transformer will fail.1,2,3 Major companies in various industries are promoting and telling the wonders of AI and ML: managing …
Every current interruption involves an arc burning between the contacts of a circuit breaker (CB). The produced arc energy and associated pressure increase is used in gas circuit breakers to cool the arc region leading to current interruption. The same arc energy causes wear that can be separated into two main phenomena: • Nozzle ablation, which affects pressure build up, …
Verifying the functionality and integrity of a grounding system is critical to maintaining a safe workspace. Unfortunately, the tests used to achieve this goal, as well as the standards used to assess them, have required a specialized skillset, often leaving these tests done improperly or not at all. Now, with the industry progressing toward guided testing, new solutions make it …
Electrical Reliability Services, Inc. celebrates its 50th Anniversary this year. It has been an exciting journey that many who grew up with Electro-Test, Inc. (eti) still wax on about. Some of the early associates are still with the organization today; some have left and come back. Even the newer employees know the stories and hold them as part of the …
Ground testing is often thought of as ground electrode testing: the measurement of the resistance associated with a particular rod or grounding system. A useful corollary to this is soil resistivity testing. Resistivity is the electrical property of soil itself that determines how well it can carry current. It varies enormously (Table 1) depending on physical and chemical composition, moisture, …
The Tech Quiz questions for this issue concern medium-voltage power system components. FREE QUESTION! What is medium-voltage? Great question, as there are varying answers from NETA, NEMA, NFPA, and IEEE. NETA’s Standards Review Council has defined and classified medium-voltage within the NETA standards as “a class of nominal system voltages greater than 1,000 volts and less than 100,000 volts,” which …
When performing condition analysis on medium-voltage circuit breakers located in metal-clad switchgear, it is necessary to be aware of all potential hazards. The person performing the condition analysis must be qualified to perform the task and have a solid understanding of each possible hazard they may encounter as well as ways to minimize the risks. To better understand the hazards …