Published by Qianlu Yan, Vice General Manager, Beijing Joint Harvest Science & Technology Co., Ltd. Terry Chandler, Director of Engineering, Power Quality Thailand LTD/Power Quality Inc., USA. E-mail: terryc@powerquality.org
Author Archives: PQBlog
Characterizing Voltage Sag Waveforms using IEEE P1159.2 Algorithms
Published by Dan Sabin, Monitoring System Applications Architect, Electrotek.
Dranetz Portable Instruments Power Visa & HDPQ Visa using Dran-View 7 Software to View the Waveforms & Correct A CT Connection Error
Case 1. Display waveforms of voltage, current and Power before, during and after an event. Case 2. Display waveforms of voltage, current and calculate the power waveform from the data of any waveforms recorded by the instrument. HDPQ waveforms of Voltage, current and Power from 10 cycles of waveform data. Case 3. Display harmonicContinue reading “Dranetz Portable Instruments Power Visa & HDPQ Visa using Dran-View 7 Software to View the Waveforms & Correct A CT Connection Error”
Dran-View 7
White Paper Dranetz industry leading power analysis software provides professional reports and analysis to all users INTRODUCTION Dran-View® is a Windows-based software package that enables power professionals to simply and quickly visualize and analyze power monitoring data. It is easy to navigate, delivers automated functionality, and incorporates powerful analytical capabilities and customizable options to meetContinue reading “Dran-View 7”
Active Harmonic Mitigation – What the Manufacturers Don’t Tell You!
Published by Tony Hoevenaars, PEng., MIRUS International Inc.
PQT Newsletter, December 2020
EP1 Advanced Harmonic Analysis Capability of DV7 Enterprise
Energy Platform® EP1 – Handheld Electrical Energy and Power Demand Analyzer Dran-View 7 (DV7) Enterprise is a Windows based software package that enables power professionals to visualize and analyze power and energy monitoring data simply and quickly. Harmonics As the sensitivity of power electronics increases, equipment ranging from HVAC systems, personal computers to computerized processContinue reading “EP1 Advanced Harmonic Analysis Capability of DV7 Enterprise”
Instrument Transformers for Measuring Power Quality
Published by Johannes Rickmann, Christian Weber, Trench Switzerland. Tobias Schmutzhard, Omicron Austria.
Harmonics Data Analysis with Dran-View 7 (DV7) Enterprise Software
To do advanced harmonic analysis using the postprocessing capability of Dran-View 7 (DV7) Enterprise. Note: Use the waveform capture on periodic basis to collect the most useful data but not necessary for normal PQ activity and reports. The steps below give a few examples. Step 1. Open the data file of the site of interestContinue reading “Harmonics Data Analysis with Dran-View 7 (DV7) Enterprise Software”
Power Quality & Quality of Supply A Global Continuously Developing Engineering Challenge
Published by Terry Chandler, A Power Quality Practitioner ™ for +30 years, Director of Engineering Power Quality Thailand LTD/Power Quality Inc. USA, Consultant for Dranetz Corporation USA (Asia business Unit General Manager) Contact TerryC@powerquality.org What is Power Quality (PQ)? The characteristics of the supply voltage and the electrical system that affect the performance of theContinue reading “Power Quality & Quality of Supply A Global Continuously Developing Engineering Challenge”
Power Quality Blog 