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Technical documents for the MPQ1000

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    Showing item(s) 1 - 10 of 11 in total
Motor Analysis with the MPQ Analyzer
Bearing failures are often blamed on poor lubrication. However, there are many other causes of bearing failures. Analyzing the failure cause can lead to higher motor reliability.
Published: 8 September 2019
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MPQ1000 Common Connections
An application note locoking at the common connections of the MPQ1000.
Published: 7 December 2018
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Rapid Voltage Change (RVC)
A rapid voltage change is a fast rise or fall of the RMS voltage. This can be caused by the switching on of a specific load or by a sudden change in source voltage. Sudden source voltage changes can occur in solar grids when the sun is obscured by clouds. Source voltage changes can also occur in wind farms when then wind speed decreases. Load switching can cause a rapid voltage change if the rating of the load is a significant fraction of the fault level of the supply voltage.
Published: 7 December 2018
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Enabling Additional Channels
When creating a setup file a particular power wiring connection needs to be selected. This instructs the instrument on how to calculate the power and energy. When the power wiring connection is create the required input channels are automatically enabled.In some cases the operator may wish to enable additional channels for other measurements. This will not affect the power or energy measurements.
Published: 6 December 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: 7 November 2018
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Measuring current on a CT secondary circuit
In some cases, measuring actual current on the primary conductor is not possible and the user may have to measure current on the secondary circuit of a CT. In this case, the MPQ can be programmed to display the actual primary current values instead of the current measured on the CT secondary circuit. This is done by following the steps given below.
Published: 6 November 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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Solar Energy - Part 2 of 3: Programming a PQ Analyzer
When examining potential power quality issues associated with solar panels, your power quality analyzer should be programmed to examine a variety of different parameters outlined in this application note.
Published: 3 July 2018
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Determining harmonic direction
Harmonics are caused by non-linear loads. Linear loads draw a linear current that follows the changing voltage of the AC waveform. Non-linear loads draw current pulses periodically, which creates distorted waveforms.
Published: 21 May 2018
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Approved SD Cards for the MPQ Series
Different brands and types of SD Cards have different characteristics. This paper shows the recommended types to use with the MPQ series.
Published: 2 November 2017
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