Power Quality Analyzers with Fault Recorder Function

Fixed installed solutions

kurzschluss-erdschluss-überwachen
Flexible, customer-specific configurations
com-server-tbox-server
User-friendly software WinPQ
Simulation-Messwerte-Prozesswerte
Measurement accuracy to the most stringent international standards
überwachung-erdschluss
All important control protocols supported
kurzschluss-erdschluss-überwachen
Flexible, customer-specific configurations
com-server-tbox-server
User-friendly software WinPQ
Simulation-Messwerte-Prozesswerte
Measurement accuracy to the most stringent international standards
überwachung-erdschluss
All important control protocols supported

Power Quality Analysis Software

For our fixed installed solutions

WebPQ® Visualizer

The intelligent add-on to WinPQ

The fully responsive & web-based user interface as an installable app for the evaluation of your Power Quality data in your local IT environment!

WinPQ
Sophisticated power quality analysis software

The WinPQ system solution for all built-in A. Eberle fault recorders, power quality monitoring devices and mobile network analyzers. Monitor power quality permanently – from the high-voltage grid to the end user in a system. Intuitive operation despite the vast amount of data handled.

NEW: Power Quality Services by A. Eberle

Power Quality
Services

Expert knowledge that moves you forward

We offer you power quality audits with troubleshooting in accordance with EN 50160 and IEC 61000 and support you with our expert know-how. As the market leader in the field of mobile power quality devices, we can draw on a wide range of network analyzers with the appropriate accessories for our services.

Keep an eye on supply quality and network faults
Fully automatic at every voltage level

The built-in fault recorders and network power quality analyzers PQI-DA smart, PQI-DE and PQI-D are the central components in systems handling all measurement tasks in low, medium and high-voltage networks. The analyzers can function as fault recorders with a scanning rate of up to 41 kHz, as power quality measurement devices to EN 50160 / IEC 61000-2-2/-4 or as power quality analyzers.

Above all, their components are suitable for monitoring special reference quality levels or characteristics agreed between an energy supplier and a customer, registering them and then presenting the results for analysis or storage. Modern power quality devices work to the IEC 61000-4-30 standard, 3rd edition. This standard defines measurement processes to create a comparable basis for users.

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News from the Productgroup

PQSys – News

General Knowledge

Residual current

6. March 2024

In this article, you will learn about residual current measurement & residual current monitoring and why it is important to measure residual current.[…]

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General Knowledge

Power Quality

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Good power quality is characterized by the fact that the mains voltage actually arriving at the consumer matches the mains voltage promised by the utility company[…]

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General Knowledge

Reactive power – definition, calculation and measurement

6. March 2024

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General Knowledge

What is apparent power and how is it calculated?

6. March 2024

Apparent power is a term used in electrical engineering to describe the apparent power in an alternating current system. It is made up of the active power (the power actually used) and the reactive power[…]

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General Knowledge

Ready for the smart grid of the future?

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All information about smart grids/intelligent power grids, the technology behind them, advantages, disadvantages, challenges and current distribution.[…]

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Product innovation

Product announcement: »I-Sense« for feeder current measurement in future-proof secondary substations available as of 15/09/2023

16. October 2023

»I-Sense« Feeder Current Measurement for up to 16 feeders. Available to order now.[…]

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Product innovation

Product discontinuation: Power Quality Analyser PQI-DA, as of 09.08.2023

9. August 2023

Power Quality Analyser PQI-DA is currently scheduled for product discontinuation.[…]

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Special Publication

Power Quality Analysis: Tips and Tricks II

28. April 2023

Useful tips & tricks for handling Power Quality measuring devices and typical user errors – now in our two-part article! This article provides further insights and practical tips and application examples[…]

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Special Publication

Power Quality Analysis: Tips and Tricks I

27. April 2023

Useful tips & tricks for handling Power Quality measuring devices and typical user errors – now in our two-part article! This article explains tips and tricks for performing power quality measurements.[…]

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Special Publication

Innovative & economical “system solutions” in the age of energy grid transformation

2. February 2023

The transformation of the energy industry from a centralized structure to a decentralized energy supply is creating complex energy networks with volatile load flows and changing load flow directions. Grid[…]

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Blogpost

DAKKS Calibration Report: PQI-DE & PQI-DA Smart With Sensational Results

11. August 2022

In the DAKKS calibration according to VDE-AR 4110 Annex F, our power quality analyzers PQI-DE & PQI-DA smart have achieved sensational accuracy values.[…]

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Special Publication

Measurement of voltage distortions in industrial grids with the PQ-Box 50

14. April 2022

It is important to find disturbances in the system in a fast and reliable way. This report shows an example for trouble shooting with the Power Quality analyzer PQ-Box 50. […]

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Info letter

Information Letter No. 24: Integration guide for the metering of a power plant according to the Requirements for Generators (2016/631) RfG

18. January 2022

Integration guide for the measurement of a power plant (EZA) according to VDE-AR 4110 and VDE-AR 4120.[…]

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Info letter

Info Letter No. 23: Direction of harmonics Sources of harmonics in the power system

7. September 2021

Le sens du flux de puissance des harmoniques est déterminé par le signe de la puissance activ[…]

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Info letter

Info Letter No. 22: Definition of power measurements according to the standards DIN 40110-2 and IEEE 1459

7. September 2021

There is a wide range of electronic measuring devices for the digital measurement of power…[…]

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Info letter

Info Letter No. 19: The evaluation of power quality and detection of interference in medium voltage network

7. September 2021

For various reasons, interest in the continuous monitoring of network quality in medium-voltage…[…]

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Info letter

Info Letter No. 8: Apparent power and reactive power in three-phase networks

7. September 2021

The range of electromechanical and electronic measuring devices in analog – and digital technology…[…]

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Info letter

Info Letter No. 5: Zero sequence voltage in three-phase networks

7. September 2021

With balanced network operation and inequality of the impedances in the consumer circuit, the phase…[…]

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Special Publication

Emergency Power Supplies in Hospitals and Data Centres

7. March 2021

According to DIN VDE 0100 part 710, if the voltage over one or more external cables providing the general power supply to a hospital falls to less than 90% of the nominal grid voltage for a period of more[…]

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Special Publication

Voltage Quality at all Network Levels

7. March 2021

Extending networks will not come cheaply. For the distribution system alone, the Federal Grid Agency estimates costs of around…[…]

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