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Technical documents for the MPQ1000

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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.
Objavljeno: 26 novembar 2018
Preuzimanje PDF-a
Transferring data from the MPQ to the PC
Data can be transferred from the MPQ to your PC in 3 ways – direct download, via SD card, and via USB stick. All 3 methods are discussed in this article.
Objavljeno: 26 novembar 2018
Preuzimanje PDF-a
Scheduled run - MPQ series of power quality analysers
The MPQ Series of Power Quality Analysers can be programmed to start and stop recording at specific times. This type of test is called a scheduled run.
Objavljeno: 26 novembar 2018
Preuzimanje PDF-a
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.
Objavljeno: 26 novembar 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.
Objavljeno: 26 novembar 2018
Preuzimanje PDF-a
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.
Objavljeno: 26 novembar 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.
Objavljeno: 26 novembar 2018
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Common PQ issues: voltage dips and swells
This paper will define the various types of voltage dips and swells that occur and the effect they have on various types of equipment. It also describes methodologies to measure and locate these events that cause equipment malfunction and failures.
Objavljeno: 26 novembar 2018
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Common PQ issues: transients
Transients are responsible for many power quality related malfunctions and failures. This application note looks into what causes them and how to test power quality to prevent them from causing damage.
Objavljeno: 26 novembar 2018
Preuzimanje PDF-a