Published by Sivaraman P, SMIEEE, PEng (India), Senior Power Systems Engineer Chennai, Tamil Nadu, India We all know that Total Harmonic Distortion (THD) and Total Demand Distortion (TDD) are used to evaluate the presence of harmonics in the power system. The “IEEE Std 1547-2018 IEEE Standard for Interconnection and Interoperability of Distributed Energy Resources with AssociatedContinue reading “An Update IEEEE Standard Complements”
Category Archives: Power Quality
AC and DC Circuit Breakers for Overcurrent Protection
Published by Alex Roderick, EE Power – Technical Articles: AC and DC Circuit Breakers for Overcurrent Protection, March 05, 2021. This article highlights circuit breaker that is an overcurrent protection device (OCPD) designed to protect electrical devices and individuals from overcurrent conditions. A circuit breaker is an overcurrent protection device (OCPD) designed to protect electrical devicesContinue reading “AC and DC Circuit Breakers for Overcurrent Protection”
Harmonic Mitigation Using Phase-shifting Transformers and Harmonic Filters
Published by Alex Roderick, EE Power – Technical Articles: Harmonic Mitigation Using Phase-shifting Transformers and Harmonic Filters, May 21, 2021. Learn about how minimise the presence of harmonics in an electrical system with harmonic transformers and filters. Three-phase loads do not generate triplen harmonics. Therefore, harmonic problems in situations where 3-phase loads dominate are primarily fromContinue reading “Harmonic Mitigation Using Phase-shifting Transformers and Harmonic Filters”
Developing Infrastructure to Charge Electric Vehicles
Published by U.S. Department of Energy – Energy Efficiency and Renewable Energy Alternative Fuels Data Center Consumers and fleets considering electric vehicles (EVs)—which include all-electric vehicles and plug-in hybrid electric vehicles (PHEVs)—need access to charging stations. For most drivers, this starts with charging at home or at fleet facilities. Charging stations at workplaces and public destinations may help bolster market acceptanceContinue reading “Developing Infrastructure to Charge Electric Vehicles”
Insulation Failure Detection in EV Batteries
Published by Ryan Hsu, Bright Toward Industrial Co., Ltd., EE Power – Industry Article: Insulation Failure Detection in EV Batteries, May 15, 2023. One of the issues with electric vehicle batteries is insulation failure. A proven approach to detecting and correcting this failure lies in ground-fault detection. However, as higher voltages become increasingly common in electricContinue reading “Insulation Failure Detection in EV Batteries”
Making Sense of Electric Vehicle Charging Options
Published by Mike Falter, EE Power – Market Insights: Making Sense of Electric Vehicle Charging Options, September 07, 2022. When it comes to charging your electric vehicle there are several options to consider based on speed, convenience and cost. In the recent article on the Wallbox acquisition of COIL, EE Power briefly reviewed the Wallbox portfolio of EV chargingContinue reading “Making Sense of Electric Vehicle Charging Options”
Trends in Electric Vehicle Fast Charging
Published by Rakesh Kumar, EE Power – Technical Articles: Trends in Electric Vehicle Fast Charging, February 02, 2023. Ultra-fast charging methodology, ultra-fast charging station architectures, and improved battery technology are some promising trends for fast-charging electric vehicles. EVs hold the potential for decarbonizing the transportation sector. But the crucial impediment to the adoption of electrified transportationContinue reading “Trends in Electric Vehicle Fast Charging”
The Impact of EVs on the Electric Grid
Published by Harsha Korde, EE Power – News: The Impact of EVs on the Electric Grid, May 14, 2022 With gas prices rising, electric vehicles are becoming more popular, but transportation decarbonization remains a major issue. With gasoline prices rising and the effects of climate change increasingly acute, transportation electrification is gaining steam in countries throughoutContinue reading “The Impact of EVs on the Electric Grid”
Power Quality – IEEE 519-2022
Published by Comsys AB, website: comsys.se, ADF Technology: Power quality – IEEE 519-2022 A commonly used and very important standard is IEEE 519-2022 (previous versions IEEE 519-1992 and IEEE 519-2014). The standard, among other things, puts two requirements on harmonics; and absolute maximum THDU level, and a variable maximum TDD level. All limits are appliedContinue reading “Power Quality – IEEE 519-2022”
Solving Electric Vehicle Development Challenges
Published by Mark Patrick, EE Power – Technical Articles: Solving Electric Vehicle Development Challenges, July 14, 2022. A potentially viable approach to solving the development challenges associated with electric vehicles to save both weight and cost. The growth in EV adoption is a clear and obvious trend, confirmed in several recent industry reports. While the pandemicContinue reading “Solving Electric Vehicle Development Challenges”
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