WinPQ
Power quality software
A unique combination: Power Quality System with the WinPQ power quality software
The system solution for power quality monitoring, with built-in fault log and energy measurements for high, medium and low-voltage networks
The client-server software with WinPQ database is an intelligent system solution for the fully automated parallel monitoring of all faults and network quality via numerous measurement devices. Various different device variants are available for the most diverse requirements and voltage levels. The power quality software supports all built-in fault event logs from A. Eberle. Communication with the devices can take place via TCP/IP, LWL connection, RS232, 3G, 4G and analogue modem. In addition, all measurement data form the mobile power quality analyzers can be imported into the database, in order to correlate it with the data from the built-in devices.
The database is as a rule installed on a server in order to ensure permanent operation. As many WinPQ client installations as desired can work with the database in parallel.
The most important features of the system include:
- Simultaneous, parallel reading of all devices. This guarantees a rapid reaction time from the system
- Automatic reporting for fault events and automatic creation of power quality reports, including for the control room
- User-friendly software providing a clear overview of many devices and large data quantities
WinPQ can be used with the following databases: PostgreeSQL, MySQL, Maria DB and MS SQL.
The principle: top-down analysis
With the WinPQ database analysis software, you are only ever a mouse click away from abstract representations of numerous time-independent measured values: from charts showing levels over time to highly accurate fault logs.
WebPQTM 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!
Challenges in the supply networks
Electrical supply grids are currently subject to profound change processes. Active power electronics, as found in switching power supplies and inverters, is omnipresent. To achieve CO2 reductions, small, renewable energy generators are being built everywhere. Large, conventional power plants are disappearing. Phenomena such as load flow reversals, overloads, voltage band increases at entry points and asymmetries are now part of daily business. This can be a problem, for example, for highly optimised EDP facilities, but also for industrial control systems that are sensitive to short-term supply failures, harmonics and transient events. The stability of the network may even be in question.
Document power quality continuously using large data quantities
It was only in 2014 that the German Supreme Court determined that electricity is subject to the Product Liability Act. Thus: distribution grid operators are liable for damages caused by poor power quality. With the combination of the Class A-certified measurement device family PQSys and the fully automated power quality software WinPQ, A. Eberle offers a comprehensive system for watertight records of power quality. It makes users able to document, assess and demonstrate power quality continuously at any time. Faults can be recognised early on, their causes determined and eliminated. All built-in fault logs and mobile network analyzers from A. Eberle are supported by a SQL database server, to which they can be connected across networks and even in great numbers. Communications connection via control protocols such as IEC 61850, Ethernet, 3G, 4G and analogue modems. The most important thing: the WinPQ software is on top form where large data quantities need to be handled. Automated reporting assistants will fully automatically comb the data for you and report only the most important facts. You can receive standard reports and alarms by email if you desire, or have them laid down in standard formats such as Comtrade, PQDiff or PDF in network drives. Further action is not required. With our well-tuned system solution, consisting of hardware and software, you can keep an eye on power quality at any time.
Our WinPQ system solution
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.
Uses of the power quality software:
- Fully automatic network monitoring
- Visualisation
- Database management
- Data evaluation
- Device and client administration
You can find more information and a detailed list of software functions in our flyer.
Find out more.
Suitable power quality devices for the WinPQ
Discover our range of products
News from the Productgroup
Power Quality - News
Blogpost
Power Quality Analyzer Guide: Your Entry Point for 2026
29. January 2026
Comprehensive 2026 guide to power quality analysers: selection criteria, applications, standards, and future trends for reliable power quality monitoring.[...]
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Blogpost
Short video presentation »PQ-Box ONE«
15. January 2026
Ahead of the official launch on February 25, 2026, we are releasing a short video about the new »PQ-Box ONE« that provides an initial overview of the key features of the new PQ measuring device.[...]
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Blogpost
»PQ-Box 150« and »PQ-Box ONE«
15. January 2026
PQ-Box 150 and PQ-Box ONE in practical comparison: PQ-Box 150 and PQ-Box ONE both deliver Class A measurements, but differ in terms of installation, handling and areas of application.[...]
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Webinar
»Cyber Security« Webinar: A Challenge for European Energy Companies
3. December 2025
Webinar recording from 2025-11-26: »Cyber Security« - A Challenge for European Energy Companies[...]
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Blogpost
A. Eberle at the Schwabach City Run 2025
24. November 2025
A. Eberle was represented by 37 participants at the 2025 Schwabach City Run, setting a new internal record for participation. Particularly noteworthy is Benjamin Rentsch's first place in the M 35 40 age[...]
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Training Video
»PQMobil« Training Video 8: Setting up remote access for the PQ-Box
21. November 2025
This video shows how to configure a PQ-Box remotely via Wi-Fi, LAN, network, and the Internet using a VPN tunnel, view live data, and transfer measurement data. Enjoy the video.[...]
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General Knowledge
Total Harmonic Distortion (THD) in Low Voltage Networks
20. November 2025
This study examines harmonic distortion in modern low-voltage grids, showing real measurement data, key standards (EN 50160, IEC 61000-3-2/-4-30) and practical ways to reduce THD in applications such as[...]
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Special Publication
Power Quality Monitoring in Buildings - A Key Factor in Modern Building Design
12. November 2025
Discover how Power Quality Monitoring in Buildings improves reliability, efficiency and grid stability. Learn more in our technical article.[...]
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Special Publication
Continuous Power Quality Monitoring in the Jupiter Data Centre - Voltage Quality at Exascale Level
5. November 2025
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Webinar
»PQSys« Webinar: »WebPQ®« - The New Power Quality Software for Continuous Grid Monitoring
27. October 2025
Webinar recording from 2025-09-25: »PQSys« Webinar: »WebPQ®« - The New Power Quality Software for Continuous Grid Monitoring [...]
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General Knowledge
Power in Multiphase Systems
7. August 2025
This technical report highlights the special features of power transmission in three-phase systems and offers valuable insights into the optimisation and analysis of modern power grids.[...]
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Webinar
»PQMobil« Webinar: New Features/Functions for Your PQ-Box/es: Presentation of WinPQ mobil V8 & V7 legacy
5. August 2025
Webinar recording from 2025-07-29: »PQMobil - New Features/Functions for Your PQ-Box/es: Presentation of WinPQ mobil V8 & V7 legacy«. [...]
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Blogpost
Visit From the Rudolf Diesel Technical School at A. Eberle
15. July 2025
We were happy to welcome you, Rudolf-Diesel-Fachschule! Yesterday, we had the pleasure of welcoming two classes of future electrical engineering technicians from the Rudolf-Diesel-Fachschule Nürnberg[...]
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Blogpost
TOP 100 Awards 2025: Innovation for the Energy Future
15. July 2025
💡 As part of the TOP 100 Awards 2025, we were honored to receive a special recognition last week in Mainz – personally presented by TV host and science journalist Ranga Yogeshwar.[...]
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Blogpost
University Excursion: Pentecost Excursion of the Friedrich-Alexander-University Erlangen-Nuremberg (FAU)
14. July 2025
As a company dedicated to innovation, education, and the energy transition, we are pleased to have once again supported the Whitsun excursion of Friedrich-Alexander University Erlangen-Nuremberg (FAU)[...]
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Blogpost
Further Growth at A. Eberle
14. July 2025
Welcome to the team! We welcome our new colleagues at A. Eberle.[...]
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Blogpost
Specialist Training on Power Quality
18. June 2025
On 27 May 2025, everything revolved around electricity, faults and how to recognise them in a specialist training course on power quality at the Balthasar Neumann Technical Centre in Trier (BNT).[...]
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Webinar
»PQSys« Webinar: PQ-Monitoring & Feeder Current Measurement in Low-Voltage Grids 3
19. May 2025
Webinar recording from 2025-05-14: »PQSys - PQ-Monitoring & Feeder Current Measurement in Low-Voltage Grids - part 3«. [...]
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Webinar
»PQMobil« Webinar: Power Quality Analysis in Public & Industrial Power Grids – Part 3
29. April 2025
Webinar recording from 2025-04-02: »PQMobil - Power Quality Analysis in Public & Industrial Power Grids – Part 3«. [...]
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