Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Stanisław Czapp"'
Publikováno v:
Bulletin of the Polish Academy of Sciences: Technical Sciences, Vol 71, Iss 3 (2023)
Proper design of power installations with the participation of power cables buried in homogeneous and thermally well-conductive ground does not constitute a major problem. The situation changes when the ground is non-homogeneous and thermally low-con
Externí odkaz:
https://doaj.org/article/916e7d162f53448a914f2e231016d269
Autor:
Stanisław Czapp, Kornel Borowski
Publikováno v:
Acta Energetica, Vol 3, Iss 28, Pp 45-52 (2016)
Measurement of fault loop impedance in low voltage grids and systems is in most cases performed to verify the effectiveness of protection against electric shock by automatic disconnection of supply. For the sake of measurement accuracy, it is advisab
Externí odkaz:
https://doaj.org/article/c7db413d193d46119ab9623417a635bb
Publikováno v:
Acta Energetica, Vol 21, Iss 4, Pp 67-73 (2014)
Residual current operated circuit breakers without integral overcurrent protection should be back-up protected. As back-up protection devices, overcurrent circuit breakers are used. The maximum let-through energy and let-through current of the overcu
Externí odkaz:
https://doaj.org/article/ba8e03432d4b469b866ab70d1f99c4a4
Publikováno v:
IEEE Access, Vol 12, Pp 15290-15307 (2024)
Unmanned Aerial Vehicle (UAV) applications are extended extremely. Some applications need to use several UAVs for a general mission which can be considered a UAV fleet. One of the important characteristics for the evaluation of a UAV or UAV fleet is
Externí odkaz:
https://doaj.org/article/86a9c67d456146dfb12875f3a08dd8fc
Autor:
Stanislaw Czapp
Residual Current Devices: Selection, Operation, and Testing looks at the evolution in construction types of residual current devices and discusses the types and functional properties of contemporary systems. The principle of operation of elements is
Autor:
Krzysztof Dobrzynski, Stanislaw Czapp
Publikováno v:
Energies, Vol 17, Iss 11, p 2780 (2024)
The current development of prosumer microsources and the expected spread of electric vehicles may cause the appearance of significant current and voltage unbalance in low-voltage (LV) networks. This unbalance, which is an unfavorable phenomenon, may
Externí odkaz:
https://doaj.org/article/8774886fc857469286a32511b280aa9c
Publikováno v:
Energies, Vol 17, Iss 10, p 2423 (2024)
Ferroresonance in power networks is a dangerous phenomenon, which may result in overcurrents and overvoltages, causing damage to power equipment and the faulty operation of protection systems. For this reason, the possibility of the occurrence of fer
Externí odkaz:
https://doaj.org/article/b0cf926fa6764d5995c4a1a9831dc447
Publikováno v:
2018 Progress in Applied Electrical Engineering (PAEE).
In low-voltage networks, earth fault loop impedance (EFLI) measurement is the basis for assessing the effectiveness of automatic disconnection of supply. Such a measurement is performed during initial and periodical verification, especially in a TN l
Autor:
Muhammad Sarwar, Muhammad Arshed, Babar Hussain, Muhammad Rasheed, Hanan Tariq, Stanislaw Czapp, Sarmad Tariq, Intisar Ali Sajjad
Publikováno v:
IEEE Access, Vol 11, Pp 30832-30844 (2023)
The stability related issues may occur in a power system due to disturbances in generating or loading conditions, especially in the presence of distributed generation (DG) based on renewable energy resources (RERs). This paper proposes a novel strate
Externí odkaz:
https://doaj.org/article/8a4f48b9f20e4f1f911d9eba6a3c6d34