Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Henryk WACHTA"'
Publikováno v:
Archives of Electrical Engineering, Vol vol. 71, Iss No 4, Pp 1035-1050 (2022)
The application of solid-state light sources in luminaires creates a new quality in illumination design works. In a confrontation with a commonly used but relatively unattractive flood method, the use of small-size luminaires allows one to present an
Externí odkaz:
https://doaj.org/article/40211d941bd548e48202a06ec74f8be9
Publikováno v:
Energies, Vol 16, Iss 15, p 5726 (2023)
The article presents selected results of research related to the use of outdoor lighting, mainly street lighting, in the design of facility illumination. The indicated subject matter primarily concerns architectural structures that are located in urb
Externí odkaz:
https://doaj.org/article/f6fdc62560f94ca984e22c63248ad0d4
Publikováno v:
Acta Electrotechnica et Informatica, Vol 19, Iss 3, Pp 21-26 (2019)
Nowadays we are living in the ages of innovations. The expansions of communication systems is unbelievable. Many of devices recent are based on database and cloud systems. They need to be connected with other devices and services provider. Well know
Externí odkaz:
https://doaj.org/article/89a490b92b0741f0aee214ec78726b1f
Publikováno v:
Energies, Vol 15, Iss 21, p 8142 (2022)
Solid-state light sources are currently the fastest-growing group of light sources, replacing the previously used discharge and incandescent light sources. Thermal operating conditions of LEDs (Light Emitting Diode) play an important role in t mainta
Externí odkaz:
https://doaj.org/article/56823f4f899a46b0afc6419ae20894d5
Publikováno v:
Energies, Vol 14, Iss 17, p 5448 (2021)
This paper addresses issues with computer simulation involved in designing illumination for architectural structures. In particular, the reflectance and transmittance of materials were studied with respect to their influence on luminance values, thus
Externí odkaz:
https://doaj.org/article/8ed1a5bbdb6c4580a2df094c398eeeff
Autor:
Michal ŠPES, Ľubomír BEŇA, Michal KOSTEREC, Lukáš KRUŽELÁK, Zdeněk MÜLLER, Henryk WACHTA, Michal MÁRTON
Publikováno v:
Acta Electrotechnica et Informatica, Vol 17, Iss 3, Pp 3-7 (2017)
This article deals with determining the value of maximum permissible current with consideration of ambient conditions. Each ambient conditions and their influence on the value of current ampacity for ACSR conductor 350/59 in comparison with ampacity
Externí odkaz:
https://doaj.org/article/b360e8ab43774cfc905a15009e61e851
Autor:
Zbigniew Goryca, Sebastian Różowicz, Antoni Różowicz, Artur Pakosz, Marcin Leśko, Henryk Wachta
Publikováno v:
Energies, Vol 13, Iss 22, p 6108 (2020)
This paper focuses on the matter of cogging torque reduction by combining various methods of cogging torque minimization. Due to the high costs of prototype construction, cogging torque is minimized during the design phase by using numerical methods,
Externí odkaz:
https://doaj.org/article/334ebf596e874c9a92e477c0b6ecb39d
Publikováno v:
Energies, Vol 13, Iss 14, p 3583 (2020)
Semiconductor light sources are currently the fastest growing and most energy efficient group of light sources used in lighting technology. Their lighting parameters, such as luminous flux, correlated color temperature and color rendering index depen
Externí odkaz:
https://doaj.org/article/98c1b0ad5b844edc9708468d5b6a62ec
Publikováno v:
Energies, Vol 13, Iss 7, p 1539 (2020)
This paper presents the properties of fractional-order magnetic coupling. The difficulties connected with the analysis of two coils in dynamic states, resulting from the classical approach, provided motivation for studying the properties of fractiona
Externí odkaz:
https://doaj.org/article/2fb0c32d811b4e0a82696041878d41f7
Publikováno v:
Energies, Vol 13, Iss 3, p 721 (2020)
The field of indoor lighting covers a wide range of lighting uses with varying requirements for lighting conditions to be satisfied by properly selected lighting equipment. The need to frequently change the arrangement of useable areas entails the ne
Externí odkaz:
https://doaj.org/article/c8e6f3710ea84dbcb5a769b425e3a086