April 2026, Issue 4 (862)

---

TABLE OF CONTENTS

 

BULLETIN OF PRO NOVUM

Jerzy Trzeszczyński, Radosław Stanek
Assessment of the technical condition of power equipment and its updating

Zbigniew Pałucki, Radosław Stanek
Benefits of diagnostic supervision performed using the Prognoza PRO® program in the context of further operation of the BC-50 duoblock at Veolia Energia Poznań S.A.

Jerzy Dobosiewicz
Experience of the Department for Diagnostics and Prophylactics of ZEOPd in scope of solving the operational and overhaul problems

Remembrance and Farewell to Jerzy Dobosiewicz

 

Ryszard Bartnik
What’s next for the Polish energy sector?
Discussion article

 

POWER ENGINEERING AND PRODUCTION COMPANIES

Mirosław Mądry, Bogusław Błaszczykowski
Evolution of protection systems for medium-voltage overhead lines using advanced fault detection methods

 

POWER ACADEMY

Bogumił Dudek
Responsibility of network operators for the use and development of live working techniques

 

POWER ENGINEERING AND INTERESTING BOOKS

Bogumił Dudek
Same H as hydrogen

 

 

---

SUMMARIES

 

Jerzy Trzeszczyński, Radosław Stanek
Assessment of the technical condition of power equipment and its updating
Diagnostics is a base method for gaining knowledge about the technical condition of power equipment in order to plan their operation, repairs, and modernization, and more recently, also to ensure their availability, due to the growing importance of their role in stabilizing the National Power System. Performing diagnostics on coal-fired power units is becoming increasingly difficult due to its connection with repairs, which are performed on a limited range. Diagnostics should be adapted accordingly, as the temporal safety criterion is becoming less and less relevant. Ongoing diagnostic monitoring, properly integrated with failure analysis, is becoming increasingly important.

 

Zbigniew Pałucki, Radosław Stanek
Benefits of diagnostic supervision performed using the Prognoza PRO® program in the context of further operation of the BC-50 duoblock at Veolia Energia Poznań S.A.
The article describes the significance and benefits of diagnostic supervision carried out using the Prognoza PRO® software in the context of the continued operation of the BC-50 double unit at Veolia Energia Poznań S.A. In the Polish power industry, remote diagnostic supervision already has a nearly 20-year tradition and the potential for further development, both with regard to new units and those operating in the final phase of their service life. The diagnostic supervision, which has been in place for more than four years, provides not only up-to-date information on the technical condition but also serves as a source of knowledge enabling: verification of service life forecasts, shaping of operation strategies, optimization of the timing and scope of overhauls. Pro Novum treats diagnostic supervision as an integral process of operation – beginning during overhauls and subsequently conducted throughout equipment operation. It employs advanced analytical and IT tools that allow for continuous updating of technical assessments and service life forecasts. In the case of the BC-50 double unit at Veolia Energia Poznań S.A., the system ensures: maintenance of operational safety, fulfillment of availability requirements, the possibility of conditional operation of components.

 

Ryszard Bartnik
What’s next for the Polish energy sector?
Discussion article
This article attempts to answer the question of which power plants should be built in Poland. The choices made are justified. Coal-fired power plants are replaced with supercritical live steam power plants and nuclear power plants. Comparative technical and economic analyses of nuclear power plants with PWR, BWR, and HTGR reactors are also presented.

 

Mirosław Mądry, Bogusław Błaszczykowski
Evolution of protection systems for medium-voltage overhead lines using advanced fault detection methods
This paper presents a concept for enhancing protection systems of medium-voltage (MV) overhead lines using distributed fault indicators and advanced data analysis techniques. The proposed solution is based on the integration of hardware and software layers, enabling detection of phase-to-phase and earth faults as well as monitoring of environmental parameters. Integration with SCADA systems and the application of artificial intelligence algorithms allow for predictive functions and improved fault location accuracy. Special attention is given to decentralized detection methods, which are better suited to the structure of MV networks. The proposed approach contributes to improved reliability of power distribution systems.