Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Juha-Pekka Strom"'
Autor:
Samuli Raisanen, Juhamatti Korhonen, Janne Hannonen, Jari Honkanen, Pertti Silventoinen, Juha-Pekka Strom
Publikováno v:
IET Power Electronics. 9:2543-2550
When it comes to the reliability of power electronics, wear-out caused by ageing of electrolytic capacitors is a major concern. The capacitor ageing presents indicators such as a decrease in the capacitance and an increase in the equivalent series re
Autor:
Samuli Raisanen, Janne Hannonen, Pertti Silventoinen, Juha-Pekka Strom, Jari Honkanen, Tommi J. Karkkainen
Publikováno v:
IEEE Transactions on Industry Applications. 52:3224-3233
One of the most significant reliability issues in switching-mode power supplies is electrolytic capacitor degradation caused by aging. This paper proposes an output voltage transient analysis method to detect capacitor wear-out at the output stage of
Autor:
Hannu Saren, Risto Komulainen, Pertti Silventoinen, Juha-Pekka Strom, Dan Isaksson, Juhamatti Korhonen, Nicklas Sodo, J. Luukko, Arto Sankala
Publikováno v:
IET Power Electronics. 8:1661-1669
The modular double-cascade converter (MDC) is a new multilevel AC/AC converter topology, which has a modular structure. The proposed topology can be used in medium-voltage motor and generator drives, and in interfacing of grids of different voltages
Autor:
Juha-Pekka Strom, Tommi J. Karkkainen, Mikko Kuisma, Joonas Talvitie, Pertti Silventoinen, Janne Hannonen, Elena Mengotti
Publikováno v:
IEEE Transactions on Power Electronics. 29:6081-6086
Traditionally, condition monitoring of power semiconductor modules has been based on electrical measurements. Acoustic emission has been utilized for condition monitoring in many other applications, but is an unknown phenomenon in power semiconductor
Autor:
Juhamatti Korhonen, Samuli Raisanen, Pertti Silventoinen, Arto Sankala, Jari Honkanen, Juha-Pekka Strom, Tommi J. Karkkainen, Janne Hannonen
Publikováno v:
2017 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe).
Reliability is one of the key features that is sought after in converter design. Electrolytic capacitors are the most common capacitor type in switching mode power supplies to be used as a DC bus energy storage. However, electrolytic capacitors are k
Publikováno v:
IEEE Transactions on Smart Grid. 5:2583-2592
This paper addresses common-mode (CM) and radio frequency (RF) electromagnetic interferences (EMI) in a converter-fed low-voltage direct current (LVDC) distribution research network. The LVDC distribution is a novel approach to public electricity dis
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 56:1845-1850
When designing devices at microwave frequencies, the characteristics of printed circuit board materials have to be well known in order to attain exact functionality. The characterization can be carried out with the microstrip T-resonator test method
Autor:
Tommi J. Karkkainen, Juha-Pekka Strom, Pertti Silventoinen, Samuli Raisanen, Janne Hannonen, Jari Honkanen
Publikováno v:
2015 IEEE Energy Conversion Congress and Exposition (ECCE).
One of the largest reliability issues in switching mode power supplies is capacitor aging based degradation. This paper proposes a step excitation based online capacitor wear-out detection method for output stage capacitor of a step down DC-DC conver
Autor:
Janne Hannonen, Risto Komulainen, Stefan Strandberg, Nicklas Sodo, Hannu Saren, Juhamatti Korhonen, Pertti Silventoinen, Arto Sankala, Juha-Pekka Strom
Publikováno v:
IECON
Solid state transformers normally include a transformer whose operating frequency is well above the usual grid frequencies. These transformers are supplied by power electronic inverters such as an H-bridge. The average value of transformer supply vol
Publikováno v:
IECON
Multilevel inverters have proven to be a solid technology in electrical drive applications. A new voltage source multilevel converter topology, that is a hybrid between three-level flying capacitor and T-type inverters, is introduced. The proposed to