Published by Kevin Clemens, EE Power – Technical Articles: An Introduction To Flow Batteries, February 06, 2023. Lithium-ion batteries get all the headlines, but flow batteries are a viable option, particularly for large-scale grid storage. Lithium-ion batteries have become the energy storage device of choice for cell phones, laptop computers, personal handheld devices, and electric vehiclesContinue reading “An Introduction To Flow Batteries”
Category Archives: Power Quality
Proactive PQ: Enabling Analytics and Initial Successes
Published by Bill William Howe, Sr. Program Manager, Power Quality, Electric Power Research Institute (EPRI), USA. Email: BHowe@epri.com Presented at 21st Annual PQSynergyTM International Conference & Exhibition, Sept 18th – 19th 2023. Mövenpick Hotel Sukhumvit 15 Bangkok, Thailand. Website: pqsynergy.com Author: Bill Howe, Sr. Program Manager, Power Quality, Electric Power Research Institute (EPRI), USA. Email: BHowe@epri.comContinue reading “Proactive PQ: Enabling Analytics and Initial Successes”
Substation Shielding Methods for Lightning Strikes
Published by Lorenzo Mari, EE Power – Technical Articles: Substation Shielding Methods for Lightning Strikes, December 04, 2020. This article explains different substation shielding techniques used to reduce the chance of and damage from direct lightning strikes. Direct lightning strikes to transmission lines or substations may damage the electrical equipment and threaten any nearby personnel. This article focusesContinue reading “Substation Shielding Methods for Lightning Strikes”
Mitigating Harmonics in Power Systems
Published by Simon Mugo, EE Power – Technical Articles: Mitigating Harmonics in Power Systems, May 04, 2023. This article will guide engineers in understanding harmonics, causes, types, equations, and sequences and mitigate harmonics effects. Harmonics are fundamental frequency multiples that have existed since the beginning of the 20th Century when engineers and scientists discovered discontinuous loads,Continue reading “Mitigating Harmonics in Power Systems”
Clean Power for Office Towers
Published by Raghavan Venkatesh, EE Power – Technical Articles: Clean Power for Office Towers, April 12, 2018. This article features EPCOS AG product PQSine S series designed for 3-phase grids with or without neutral conductors and enables harmonics to be filtered. The complex power networks of skyscrapers and other modern buildings must serve a wide rangeContinue reading “Clean Power for Office Towers”
Power Quality Monitoring Part 2: Design Considerations for a Standards-Compliant Power Quality Meter
Published by Jose Mendi, EE Power – Technical Articles: Power Quality Monitoring Part 2: Design Considerations for a Standards-Compliant Power Quality Meter, May 18, 2023. This article explains how to efficiently design a standards-compliant power quality measurement instrument using a ready-to-use platform that accelerates development. It discusses solutions for designing Class A and Class S meters,Continue reading “Power Quality Monitoring Part 2: Design Considerations for a Standards-Compliant Power Quality Meter”
Power Quality Monitoring Part 1: The Importance of Standards-Compliant Power Quality Measurements
Published by Jose Mendi, EE Power – Technical Articles: Power Quality Monitoring Part 1: The Importance of Standards-Compliant Power Quality Measurements, May 17, 2023. This article discusses the importance of power quality (PQ) measurements in today’s electric infrastructure and reviews areas of application for PQ monitoring. It will cover the IEC standard for power quality andContinue reading “Power Quality Monitoring Part 1: The Importance of Standards-Compliant Power Quality Measurements”
How to Reduce the Soil’s Resistivity
Published by Lorenzo Mari, EE Power – Technical Articles: How to Reduce the Soil’s Resistivity, September 28, 2020. Lowering the resistance of a grounding electrode is not always enough to reduce the soil’s resistivity. Reducing the resistivity of the soil around the electrodes can help achieve adequate resistance to the ground. The elements that most affectContinue reading “How to Reduce the Soil’s Resistivity”
Power System Grounding: Understanding Lightning Strikes
Published by Lorenzo Mari, EE Power – Technical Articles: Power System Grounding: Understanding Lightning Strikes, November 13, 2020. Learn about the fundamentals of lightning strikes and the risk they pose for electric power systems and operator safety. Lightning is an electrical discharge of the accumulation of electrostatic electricity from cloud to cloud, within a cloud, orContinue reading “Power System Grounding: Understanding Lightning Strikes”
AC Equipment Grounding: How Dangerous are Electric Shocks?
Published by Lorenzo Mari, EE Power – Technical Articles: AC Equipment Grounding: How Dangerous are Electric Shocks?, July 31, 2020. This article looks at the effects of AC electric current on the human body. An electric current passing through the human body can cause death. On many occasions, the cause of death is in the heart,Continue reading “AC Equipment Grounding: How Dangerous are Electric Shocks?”
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