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Technical documents for the MPQ2000

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    Showing item(s) 1 - 10 of 12 in total
MPQ2000 Common Connections
An application note locoking at the common connections of the MPQ2000.
Published: 10 April 2019
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MPQ2000 - Monitoring a TT grounded system
Measuring the voltage between the ground and neutral provides an indication of the integrity of the ground connection. The poorer the connection (higher impedance), the higher the voltage between the neutral and ground conductors will be. During a fault, this level could rise over 50 V and become a serious hazard.
Published: 10 April 2019
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Data Analysis
The Megger PQ PC software has the ability to perform automated data analysis and create data analysis reports based on canned or custom templates.
Published: 10 April 2019
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CBEMA Curve
The MPQ can capture up to 1000 events. This number of events can be time consuming to review and analyze.The CBEMA / ITIC curve allows for quick analysis of dip (sags), swells and sub-cycle (transient) events.
Published: 10 April 2019
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Total Demand Distortion (TDD)
Total Harmonic Distortion (THD) is a common method used to measure the level of waveform distortion.Total Harmonic Distortion (THD) measurements are an effective method of evaluating voltage distortion. However THD can be misleading when evaluating current distortion. THD is the summation of the harmonics presented as a percentage of the fundamental. For voltage THD this will be the summation of the voltage harmonics compared to the fundamental voltage. In a non-faulted condition voltage will always be present so a proper reference always exists.
Published: 7 December 2018
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Fast Transient
Very fast transients have limited energy due to their short duration. They are caused by arcing faults, such as bad brushes in motors, and are rapidly damped out by even a few meters of distribution wiring.
Published: 7 December 2018
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Mains Signalling
Power-line communication (PLC) carries data on a conductor that is also used simultaneously for AC electric power transmission or electric power distribution to consumers. It is also known as power-line carrier, power-line digital subscriber line (PDSL), mains communication, power-line telecommunications, or power-line networking (PLN).
Published: 6 December 2018
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EN50160 Report
The EN50160 test is a European standard that specifies the main characteristics of the voltage at a network user's supply terminal. The standard applies to public low voltage, medium voltage and high voltage AC electricity networks under normal operating conditions. In the UK, the test is known as a BS50160 test.
Published: 6 November 2018
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Renaming test files on the MPQ units
An application note explaining how to rename test files on the MPQ test units. This feature can be used to keep track of recordings if the user has to record on multiple locations before downloading the data to a computer.
Published: 5 January 2018
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Class A recording
This paper discusses what it means to have a Class A power quality analyser.
Published: 5 October 2017
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