Harmonics Don’t Exist – and How We Measure Them In the world of power quality there is one topic that constantly captures the imagination of electrical engineers: harmonics. In today’s power system, where electrical loads are increasingly complex and evolving, so too are the concepts that surround harmonics. We are seeing the introduction of terms [...]
The Iberian Blackout: A Wake-Up Call for UK Grid Resilience and the Role of Advanced Monitoring On April 28, 2025, at precisely 12:33 CEST, the Iberian Peninsula plunged into darkness. A massive blackout swept across Spain and Portugal, silencing cities, halting businesses, and disrupting the lives of millions. Over 20 gigawatts of power capacity vanished [...]
Energy as a strategic resource to support growth. The ISO 50001 Energy Management System certification of Amadori Group The degree of awareness of the “energy problem” for Italian companies that emerged from the research carried out at the end of 2012 from the Politecnico di Milano (Energy Efficiency Report – November 2012) is rather bleak. [...]
Power quality challenges from linear and non-linear loads The evolution of technology has transformed the way we consume electricity—but it has also introduced new challenges from linear to non-linear loads. Until the 1980s, industrial and commercial facilities were dominated by linear loads—simple electrical systems without electronic controls. But by the late 1980s, the rise of [...]
Power Quality Expert award at the Sonel 30th Gala Poland’s premier test equipment manufacturer, Sonel S.A., celebrated their 30th anniversary with a gala event held in Jachranka near Warsaw. The event was attended by distributors and partners from both Poland and abroad who between them help sell Sonel products in over 100 countries [...]
ETL approval for Power Quality Expert and Elspec Power Quality Expert are proud to announce the addition of their Elspec range of power quality analysers to their portfolio of energy monitoring products approved on the ETL (Energy Technology List). The products approved on the list undergo independent assessment against measurement and accuracy criteria from the [...]
Power Quality Expert add Elspec Portugal to their range of test equipment Power Quality Expert are proud to announce they are now sales agent for Portuguese power quality solution manufacturer, Elspec Portugal. Elspec is a leading global provider of advanced power quality analysers, power factor correction, power quality solutions and power monitoring software. They focus [...]
Power Quality Expert are associate members of SELECT in Scotland We are proud to announce that Power Quality Expert are an Associate Member of SELECT, Scotland's largest construction trade association. As associate members we are pleased to offer support to all SELECT members on all our services including Energy Load Profiles, EN50160 Surveys, Power Quality [...]
Power Quality Expert attend the second annual Sonel distributor conference Power Quality Expert were proud to attend the annual Sonel distributor conference in September. The meeting was held over a week at the Sonel factory in Swidnica. The meeting was also the first time that colleagues from other subsidiaries on the group attended, giving us [...]
How to measure and monitor Reactive Power Reactive Power is impacting your energy bill which makes it important to continuously measure and monitor it to determine the correct power factor correction system. Continuous measurement and monitoring of reactive power are necessary to determine the correct power factor correction system and to monitor it to ensure [...]
