 | 05a/2012 |
- Jerzy Bajorek, Dominika Gaworska-Koniarek, Krzysztof Podlejski: Problems
in measurements of magnetic properties of punched parts of electrical steels by means of non-destructive method pg.1 [Kup artykuł]
- Krzysztof Chwastek: Prediction of loss in non-oriented steel laminations pg.5
[PDF]- Stanisław Derlecki, Zygmunt Kuśmierek, Maria Dems, Jacek Szulakowski: Magnetic properties of amorphous materials used as corps of electric machines pg. 10
[PDF]- Henryk Lampa: The investigation of magnetostriction of electrical steel produced by Stalprodukt S.A. pg. 14
[Kup artykuł]- Nkwachukwu Chukwuchekwa, Anthony Moses, Phil Anderson: Investigation of the Effects of Strips Thickness and Grain Size on AC Magnetic Barkhausen Noise of Grain-oriented Electrical Steel pg. 18
[PDF]- Jacek Gołębiowski: Microelectromechanical Transducer with Optical Readout for Magnetic Flux Density Measurements pg.22
[PDF]- Dariusz Kapelski, Bartosz Jankowski, Marcin Karbowiak, Marek Przybylski, Barbara Slusarek: Research of magnetic properties of hybrid composite elements pg. 26
[PDF]- Marcin Karbowiak, Bartosz Jankowski, Dariusz Kapelski, Marek Przybylski, Barbara Slusarek, Gabriel Maciejewski: Research of magnetic properties of permanent magnets in the magnetic circuit with air gap pg. 28
[PDF]- Asher Yahalom, Moshe Einat: The magnetic dipole moment of a cellular phone pg. 31
[PDF]- Janusz Rak, Marek Gała, Kazimierz Jagieła, Marian Kępiński, Janusz Baran: Direct measurement and analysis of distorted waveforms in high-current busbars pg. 34
[Kup artykuł]- Pavel Ripka, Petr Kaspar, Jiri Saneistr: Geometrical selectivity of current sensors pg. 38
[PDF]- Andrzej Rusek: General mathematical model of the drive system for a polymerization reactor based on the induction motor with a pipe body pg. 40
[PDF]- Krzysztof Szewczyk, Adam Kościelniak, Ryszard Kot: Analysis of magnetic circuits for a hybrid stepper motor with cogging torque reduction pg. 44
[PDF]- Wojciech Kasprzak, Zbigniew Nadolny: Estimation of direction and value of electric field stress vector using electro-optic Kerr effect pg.47
[Kup artykuł]- Witold Bretuj, Janusz Fleszyński, Krzysztof Wieczorek: Diagnostics of composite insulators exploited in power lines pg. 51
[Kup artykuł]- Krzysztof Walczak: Defect localization in post insulator using capacitive sensors pg. 55
[Kup artykuł]- Dominik Duda, Zbigniew Gacek: An attempt on assessment of usefulness of ceramic and nonceramic power insulators in distribution and sub-transmission networks pg. 59
[Kup artykuł]- Krzysztof Kasprzyk, Krzysztof Kogut, Beata Zboromirska-Wnukiewicz: Electric methods of the water sterilization and the wastes utilization pg. 63
[Kup artykuł]- Grzegorz Masłowski, Stanisław Wyderka: Test-measurement system for open-air investigations of lightning hazards pg. 67
[Kup artykuł]- Piotr Papliński, Przemysław Ranachowski: Investigation on surfaces of internal elements of surge arresters pg. 73
[Kup artykuł]- Andrzej Graczkowski, Piotr Przybyłek, Hanna Mościcka-Grzesiak: Adsorption and desorption of water in bushing insulators – the consequences of phenomenon and diagnostics of the state pg. 77
[Kup artykuł]- Krzysztof Siodła: Voltage tests of medium voltage reactance post insulators pg. 83
[Kup artykuł]- Jan Subocz, Marek Zenker, Andrzej Mrozik: Diagnostics of thermal aging of transformer bushings with solid insulation pg. 86
[Kup artykuł]- Bartłomiej Adamczyk, Marek Florkowski: Modeling of electrical stresses in power transformer insulation system pg. 90
[Kup artykuł]- Krzysztof Maźniewski, Zbigniew Gacek: Similarities and differences in design of suspension line ceramic and composite insulators pg. 94
[Kup artykuł]- Jerzy Bielecki, Marek Szadkowski, Jacek Wańkowicz: Conception of mechanical strength research of composite station post insulators under the cyclic loads pg. 100
[Kup artykuł]- Marek Florkowski, Jakub Furgał, Maciej Kuniewski: Impact of transformers from overvoltages transferred through windings pg.104
[Kup artykuł]- Marek Szadkowski: Short-circuit forces affecting support insulators HV pg. 108
[Kup artykuł]- Mariusz Stosur, Tomasz Kuczek, Marcin Szewczyk, Wojciech Piasecki, Marek Florkowski, Marek Fulczyk: Impact of high voltage GIS substation configuration on lightning overvoltages pg. 112
[Kup artykuł]- Witold Bretuj, Janusz Fleszyński, Krzysztof Wieczorek: On shapes and construction parameters of composite insulators in the light of laboratory results of model tests pg.116
[Kup artykuł]- Wojciech Piasecki, Marek Florkowski, Marek Fulczyk, Paweł Kłys, Piotr Gawąd: High dU/dt transients resistant distribution transformers comprising filtering bushings pg. 120
[Kup artykuł]- Janina Pospieszna, Maciej Jaroszewski, Artur Henrykowski, Grzegorz Szafran: Effect of plasma process parameters on the obtained form of carbon structures on the polypropylene non-woven substrate pg.124
[Kup artykuł]- Paweł Zyłka: Superhydrophobicity and its loss in silicone elastomeric materials with biomimetic surface pg. 128
[Kup artykuł]- Piotr Papliński, Piotr Połoczanin, Agnieszka Wielonek, Jacek Wańkowicz: Magnetic fields in vicinity of multicircuit high voltage at different current values and directions of current flow pg. 132
[Kup artykuł]- Krzysztof Kasza, Łukasz Matysiak: Modeling of the manufacturing process of the electrical apparatus with composite insulation pg.135
[Kup artykuł]- Krzysztof Kogut, Krzysztof Kasprzyk, Beata Zboromirska-Wnukiewicz: The current and voltage figures during discharges for the solid dielectric constructions pg. 139
[Kup artykuł]- Marek Szuba: Environmental impact of high voltage overhead powerlines with low-sag wires pg. 143
[Kup artykuł]- Krystian Chrzan, Ewa Liana, Jacek Rzepecki, Ryszard Kolasiński, Antoni Kramarzewski: 30 years of research at Glogow pollution test station pg.147
[Kup artykuł]- Zbigniew Pohl, Krzysztof Wieczorek: Polish electrical scientific and engineering achievements related to development of outdoor high voltage insulation lines pg. 152
[Kup artykuł]- Bartosz Sawicki, Bartosz Chaber: 3D Mesh Viewer Using HTML5 Technology pg.155
[PDF]- Marian Gilewski: A control algorithm of programmable driver with optical feedback pg.158
[Kup artykuł]- Lech Grodzki: The control of the RGB LED’s colour during pulse driving pg.162
[Kup artykuł]- Andrzej Wiśniewski: LED lamps evaluation of basic parameters pg. 166
[Kup artykuł]- Sławomir Zalewski, Piotr Pracki: The concept of LED road lighting concurrent with vehicles pg. 169
[PDF]- Małgorzata Górczewska, Sandra Mroczkowska: Illumination of the courtyard of Collegium Maius in Poznan pg. 173
[Kup artykuł]- Elżbieta Janosik, Stanisław Marzec, Marcin Łaciak, Jolanta Nowińska, Jolanta Zachara: Comparative assessment of incandescent lamps’ and compact fluorescent lamps’ light impact on the efficiency and comfort vision of people with different age’s groups pg. 177
[Kup artykuł]- Krzysztof Wandachowicz: Optimization of reflector shape according to uniformity of illuminance distribution criterion pg.181
[Kup artykuł]- Piotr Biczel, Arkadiusz Sadowski, Marcin Koniak: Power Supply of Street-lighting Using Direct Current pg. 184
[Kup artykuł]- Tadeusz Kaczorek: Positive unstable electrical circuits pg. 187
[PDF]- Wojciech Grega: Information Technologies Supporting Control and Monitoring of Power Systems pg. 193
[PDF]- Adam Guła, Paweł Wajss, Wojciech Goryl: Is Using Biomass for Power Generation a Good Solution? The Polish Case pg.198
[PDF]- Marcin Szewczyk, Tomasz Kuczek, Mariusz Stosur, Wojciech Piasecki, Marek Florkowski, Marek Fulczyk: Influence of HV LC filter on lightning overvoltages in Gas-Insulated Switchgear substations pg. 204
[PDF]- Stanisław Piróg, Marcin Wawro: SPWM and SVPWM methods for two- and three-leg VSI-fed two-phase high-speed AC motors and limitations associated with them pg. 208
[Kup artykuł]- Maciej Siwczyński, Andrzej Drwal, Sławomir Żaba: The application of the hyperbolic digital filters of an fractional order in analysis of wave processes pg. 218
[Kup artykuł]- Oleksandra Hotra, Oleg Dekusha: A device for thermal conductivity measurement based on the method of local heat influence pg. 223
[PDF]- Robert Sałat, Michał Awtoniuk: Dynamics mapping of the work of the PID controller implemented in the PLC by means of Least Squares-Support Vector Machines pg. 227
[Kup artykuł]- Adam Głowacz, Witold Głowacz: Diagnostics of Direct Current motor with application of acoustic signals, reflection coefficients and K-Nearest Neighbor classifier pg. 231
[PDF]- Paweł Dybowski, Wacław Orlewski: Laboratory researches of the self-excited induction generator pg. 234
[Kup artykuł]- Arkadiusz Jamrozik, Karol Cupiał, Michał Gruca, Janusz Grzelka, Arkadiusz Kociszewski, Michał Pyrc, Wojciech Tutak: Analysis of correlation between an electric current fluctuation and selected operating parameters of the gas generator set pg. 238
[Kup artykuł]- Sławomir Karyś: Mixed Commutation Techniques and their Influence on Loss in the Three-Phase Voltage-Feed Zero Current Switching Inverter pg.244
[PDF]- Adam Szcześniak, Zynovij Mychuda: The Analysis of leakage currents of logarithmic analog-to-digital converter with successive approximation pg. 247
[Kup artykuł]- Andrzej Chojnacki: Failures of medium voltage insulators operating in domestic distribution networks including their type pg. 251
[Kup artykuł]- Aneta Bugajska: The influence of the conductor skin effect on the characteristic impedance in a coaxial power cable pg. 256
[Kup artykuł]- Grzegorz Redlarski: Prediction phase angle discrepancy during the connecting process of electrical power units to work in parallel pg.260
[Kup artykuł]- Agnieszka Choroszucho, Bogusław Butryło: Inhomogeneities and dumping of high frequency electromagnetic field in the space close to porous wall pg. 263
[PDF]- Tomasz Trapko, Jarosław Michałek: Using of composite materials for strengthening of spun concrete electrical poles pg.267
[Kup artykuł]- Aleksander Leicht, Krzysztof Makowski: A dynamic simulation model of single-phase self-excited induction generator pg.274
[Kup artykuł]- Adam Graczyk, Krzysztof Pacholski, Artur Szczęsny: A measuring set for testing of flickermeters pg. 280
[Kup artykuł]- Joanna Budzisz, Zbigniew Wróblewski: Modeling of switching effects in capacitive circuit with a vacuum switch and varistor surge protection pg.284
[PDF]- Marek Dźwiarek, Olgierd Hryniewicz: Practical examples of determination of periodical inspection of safety related control systems of machinery pg.290
[Kup artykuł]- Dariusz Smugała, Wojciech Piasecki, Magdalena Ostrogorska, Marek Florkowski, Marek Fulczyk, Paweł Kłys: Distribution transformers protection against High Frequency Switching Transients pg.296
- Krzysztof Chwastek: Prediction of loss in non-oriented steel laminations pg.5