Test & Measurement

September 2023

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Figure 1. Handheld instruments are convenient ways of checking EV charge points as part of your regular maintenance program.

Importance of On-site EV Charger Testing

Dr. Ahmed El-Rasheed, Industry Director – Renewables, Megger

The adoption of electric vehicles is a megatrend globally and especially in the USA. Massive federal, state, and private investments are driving an exponential increase in the network of chargers across the U.S. This is causing a significant impact on the existing electrical grid and a greater demand on electricity ge

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Date:

09/01/2023

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Table 1: DC limits in national standards

Direct Current (DC) Injection from Renewable Energies - When Accuracy Matters in Power Quality Measurements

Roland Buerger, DANISENSE A/S

In recent years, power quality measurements have been carried out more and more frequently in the electric power and energy industry and on distribution and transport grids. These measurements focus primarily on the classic characteristic parameters such as voltage dips, voltage transients and harmonics. Maximum va

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Date:

09/01/2023

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Figure 1. A bidirectional power supply able to sink and source power. The red line indicates maximum power (30kW) can be sinked at any voltage sweeping from 2000 to 750 V, a feature called autoranging. A conventional power supply could sink maximum power only at 2000 V and 75

Choosing the Perfect Electronic Load

Steven Soria, Application Engineer, EA Elektro-Automatik

Like a programmable power supply in reverse, an electronic load simulates load conditions and measures power consumption. As end-users demand increasingly efficient devices and longer battery run times, designers increasingly depend on electronic loads. According to MarketsAndMarkets, sales of electroni

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Date:

09/01/2023

Ally Winning, European Editor, PSD

Testing ...1, 2, 3

Ally Winning, European Editor, PSD

Welcome to the September edition of Power Systems Design Europe. The Chinese have a curse that goes along the lines of, may you live in interesting times. During the past few years, it feels as if someone has used that curse on the world. Covid, semiconductor shortages, breaks in the global supply chain, war in

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Date:

09/01/2023

Jason Lomberg, North American Editor, PSD

Testing and Measuring our Way into the Fall

Jason Lomberg, North American Editor, PSD

It’s time to break out the sweaters, the mittens, and the pumpkin spice lattes – fall is upon us! Hopefully, you had a chance to go on holiday at least once, before heading into the busiest time of the year! And with the fall, we turn our attention towards one of the most quintessential topics, test &

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Date:

09/01/2023