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Technical documents for the MPQ2000

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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: 11 April 2019
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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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