Published by Dranetz Technologies, Inc. Below are three situations aviation teams often face, and how the HDPQ Xplorer 400 helps resolve them. Jetway keeps resetting when an aircraft connects What’s happening: During bridge movement or aircraft power-up, the 400 Hz supply dips. Sometimes it is a brief sag, other times a fast transient that trips protection.Continue reading “Practical 400 Hz use Cases for Aviation Teams”
Tag Archives: Application Notes
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”
Planning and Performing a Power Quality Survey
Published by Dranetz Technologies, Support – Technical Documents, Application Note, website: dranetz.com, 800-372-6832 (U.S & Canada) +1-732-287-3680 (International). INTRODUCTION The power quality survey is the first, and perhaps most important, step in identifying and solving power problems. Power problems can harm equipment performance and reduce reliability, lower productivity and profitability, and even pose personnel safetyContinue reading “Planning and Performing a Power Quality Survey”
ITI (CBEMA) Curve Application Note
Published by Information Technology Industry Council (ITI), 1250 Eye Street NW Suite 200, Washington DC 20005, 202-737-8888, http://www.itic.org The ITI (CBEMA) Curve, included within this Application Note, is published by Technical Committee 3 (TC3) of the Information Technology Industry Council (ITI, formerly known as the Computer & Business Equipment Manufacturers Association). It is available atContinue reading “ITI (CBEMA) Curve Application Note”
WideRangeFlexCT™ Accuracy
Application Note 06-01-2015 Published by Radian Research, Inc. Trademarked flex CT interface WideRangeFlexCT™ measures currents from 1A to 2500A without requiring the user to set specific ranges. Internally there are 3 measurement ranges that are automatically switched between. The measurement error depends on which range is active, these ranges are 1.00A – 18.00A, 18.0A –Continue reading “WideRangeFlexCT™ Accuracy”
Application Note Earthing Systems: Fundamentals of Calculation & Design
Application Note Published by H. Markiewicz and A. Klajn, November 2014 ECI Publication No. Cu0120 Document Issue Control Sheet Document Title: Application Note – Earthing Systems: Fundamentals of Calculation and Design Publication No: Cu0120 Issue: 03 Release: June 2003 Author(s): H. Markiewicz and A. Klajn Reviewer(s): D. Chapman, S. Fassbiner Document History Issue Date PurposeContinue reading “Application Note Earthing Systems: Fundamentals of Calculation & Design”
Encore Series UPS Monitoring
Application Note WHERE EVERY MILLISECOND COUNTS! The digital economy has redefined business operations and is setting new standards for electric power reliability and quality. Downtime – undesirable for any business – is catastrophic for Data Centers and other high reliability facilities where even the smallest power quality issue can cause equipment failure, data corruption, andContinue reading “Encore Series UPS Monitoring”
Determining Sag Directivity
Application Note INTRODUCTION Voltage sags, or dips are the most common type of power quality (PQ) event. Knowing the directivity of the sag, or where it originated, is very import when trying to locate its source and to ultimately mitigate the problem. This application note outlines some rules of thumb to help determine the directivityContinue reading “Determining Sag Directivity”
Frequency Measurements & Data Recorded of PQ Instruments that meet the IEC 61000-4-30 Class A
Published by Terry Chandler, Director of Engineering, Power Quality Thailand LTD/Power Quality Inc., USA. E-mail: terryc@powerquality.org, terryc@powerquality.co.th An example is the Dranetz HDPQ family, the PX-5 family and the 61K family. The IEC standard for frequency measurement calculation and accuracy is This specifies the time of the reference channel is measured for 10 seconds. That value isContinue reading “Frequency Measurements & Data Recorded of PQ Instruments that meet the IEC 61000-4-30 Class A”
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”
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