Published by Dranetz Technologies, Inc., Technical Documents – White Paper INTRODUCTION In addition to our energy metering products, most Dranetz Power Quality products can also compute and measure common energy parameters such as W, VA, VAR, PF, Demand, Energy, and more. The ability to measure energy in addition to PQ opens the door to many more applications,Continue reading “Revenue Accurate vs. Revenue Certified/Grade”
Tag Archives: Power Quality Analyzer
An Analysis of Elimination of Interferences in the Supply System of An Industrial Plant
Published by Jacek KOZYRA1, Zbigniew ŁUKASIK1, Aldona KUŚMIŃSKA-FIJAŁKOWSKA1, Piotr TAŃSKI2, Kazimierz Pulaski University of Radom, Faculty of Transport, Electrical Engineering and Computer Science (1) Baxtom Sp. z o.o, (2) ORCID: 1. 0000-0002-6660-6713, 2. 0000-0002-7403-8760, 3. 0000-0002-9466-1031 Abstract. Poor quality of electric energy is a large problem for most of the enterprises and production plants takingContinue reading “An Analysis of Elimination of Interferences in the Supply System of An Industrial Plant”
Damaged X-ray Equipment at Major Health Care Center
Published by Dranetz Technologies, Inc. Website: Dranetz.com Severe power quality problems damaged X-ray equipment, costing $100,000 in one instance. The source of the problem was the switch over from utility to generator power, during regular testing and emergency situations. Figure 1 (below) identified the cause of the problem, an out-of-phase transfer, captured by On Power with aContinue reading “Damaged X-ray Equipment at Major Health Care Center”
The Importance of Diagnostics of Electrical Equipment at Thermal Power Plants for Ensuring the Reliability of Power Systems
Published by Elshad Safiyev1, Sona RZAYEVA2, Rashida KARIMOVA3, Azerbaijan State Oil and Industry University (1, 2, 3) ORCID: 1. 0009-0005-4971-1721; 2.0000-0001-7086-9519 Abstract. This article discusses the importance of diagnostics of electrical equipment in thermal power plants to ensure the reliability of power systems. Electrical equipment is a key component in the production and transmission ofContinue reading “The Importance of Diagnostics of Electrical Equipment at Thermal Power Plants for Ensuring the Reliability of Power Systems”
Investigating Blinky Lights
Published by Dranetz Technologies, Inc., Technical Documents he HDPQ Family of products have a number of trigger mechanisms for capturing different types of power quality phenomena. Most users are familiar with settings for sags and swells, but those typical limits usually don’t capture the “blinky lights” problems. While the Pst (perceptibility short term) parameter will indicate whether the voltageContinue reading “Investigating Blinky Lights”
Demand Response
Published by Dranetz Technologies, Inc., Case Study Data Center uses Encore to monitor Demand Response Performance A 1.2M square ft Data Center located in Northern New Jersey was participating in a Demand Response program utilizing their backup generators as the primary means of reducing their 7MW of load. The service provider that they worked with installed telemetryContinue reading “Demand Response”
Overloaded Service
Published by Dranetz Technologies, Inc., Case Study A busy trading floor was experiencing difficulties with their six air handling units, which were fed from a single 480V, 400-amp service. The units were malfunctioning, stalling and at times were unable to start, causing the temperature in the control room to rise to unacceptable levels. A Dranetz Power PlatformContinue reading “Overloaded Service”
400Hz Monitoring – Aviation Applications
Published by Dranetz Technologies, Inc., Application Note INTRODUCTION Most of the world distributes power at 50Hz or 60Hz. However, there are certain specialized applications that distribute power at other frequencies. Applications such as aviation, naval, and others distribute power at 400Hz to improve system efficiencies. 400Hz applications can be a challenge for the end user since mostContinue reading “400Hz Monitoring – Aviation Applications”
2 Week Energy Survey
Published by Dranetz Technologies, Inc., Case Study Willows Swim Club is a private, member-owned swimming and recreational facility located in central New Jersey. The swim club provides kitchen space to a local restaurant to operate a food concession. Being offered as a service to its membership, there is presently no charge for rent or utilities. However, givenContinue reading “2 Week Energy Survey”
What Caused the Big Blackout in Spain and Portugal?
Published by Unipower AB, Metallgatan 4C, 44132 Alingsås, Sweden. Email: info@unipower.se On 28 April 2025, at 12:33 CET, the power systems of Spain and Portugal experienced a total blackout. Investigation is still in progress. Above and below is 30 minutes of high-resolution waveform data we could extract from a meter in the Portuguese grid. We couldContinue reading “What Caused the Big Blackout in Spain and Portugal?”
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