Search Results - "Wiechowski, W."

Overvoltage Protection of Large Power Transformers-A Real-Life Study Case by Bak, C.L., Einarsdottir, K.E., Andresson, E., Rasmussen, J.M., Lykkegaard, J., Wiechowski, W.

“…This paper demonstrates the results from a detailed study of the overvoltage protection of a particular 400/150-kV 400-MVA power transformer. The work…”
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Field Test and Simulation of a 400-kV Cross-Bonded Cable System by Gudmundsdottir, U. S., Gustavsen, B., Bak, C. L., Wiechowski, W.

“…This paper discusses cable modeling for long high-voltage ac underground cables. In investigating the possibility of using long cables instead of overhead…”
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Statistical Distribution of Energization Overvoltages of EHV Cables by Ohno, T., Bak, C. L., Ametani, A., Wiechowski, W., Sorensen, T. K.

“…Statistical distributions of switching overvoltages have been used for decades for the determination of insulation levels of extremely high voltage (EHV)…”
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Derivation of Theoretical Formulas of the Frequency Component Contained in the Overvoltage Related to Long EHV Cables by Ohno, T., Bak, C. L., Akihiro, A., Wiechowski, W., Sorensen, T. K.

“…Recent studies of long extremely high-voltage (EHV) cables show the importance of performing temporary overvoltage analyses. As the switching of EHV cables can…”
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Selected studies on offshore wind farm cable connections - challenges and experience of the Danish TSO by Wiechowski, W., Eriksen, P.B.

“…The Danish power system is characterised by a high share of wind power production. Most of the wind power has so far been distributed onshore and connected to…”
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Overvoltage Protection of Large Power TransformersaA Real-Life Study Case by Bak, CL, Einarsdottir, KE, Andresson, E, Rasmussen, J M, Lykkegaard, J, Wiechowski, W

“…This paper demonstrates the results from a detailed study of the overvoltage protection of a particular 400/150-kV 400-MVA power transformer. The work…”
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Double layered sheath in accurate HV XLPE cable modeling by Gudmundsdottir, U S, De Silva, J, Bak, C L, Wiechowski, W

“…This paper discusses modelling of high voltage AC underground cables. For long cables, when crossbonding points are present, not only the coaxial mode of…”
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Use of a pre-insertion resistor to minimize zero-missing phenomenon and switching overvoltages by da Silva, F. Faria, Bak, C. L., Guomundsdottir, U. S., Wiechowski, W., Knardrupgard, M. R.

“…With the increasing use of High-Voltage Cables, which have different electric characteristics from Overhead Lines, phenomenon like current zero-missing start…”
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A New Control Structure for Hybrid Power Filter to Reduce the Inverter Power Rating by Asiminoaei, L., Wiechowski, W., Blaabjerg, F., Krzeszowiak, T., Kedra, B.

“…This paper describes a control structure of a hybrid power filter, which can be used in current harmonic mitigation. The selected hybrid filter topology…”
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Possibilities of error in simple clinical analyses; recommendations for some current methods by WIECHOWSKI, W

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Colorimetric method for the determination of acetoacetic acid and acetone by WIECHOWSKI, W

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On the question of examination of gastric juice and bile by WIECHOWSKI, W

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The effect of hydrogen peroxide on human intestinal worms by WIECHOWSKI, W

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Effect of hydrogen peroxide on human spermatozoa by WIECHOWSKI, W, WIECHOWSKA, K

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A technic for the determination of porphyrins with the fluorometric method by BRUGSCH, J, WIECHOWSKI, W

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Acute porphyria in surgery by BRUGSCH, J, WIECHOWSKI, W, MROS, F

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Identification of Problems when Using Long High Voltage AC Cable in Transmission System II: Resonance & Harmonic Resonance by Rahimi, S., Wiechowski, W., Ostergaard, J., Nielsen, A.H.

“…Within European countries, Denmark was been at the forefront of replacing the transmission lines with cables. The project was supplying the power to the…”
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Dr. Tadeusz Rakowiecki (July 26, 1878-April 6, 1965), physician, astronomer and writer--on the 25th anniversary of his death by Wiechowski, W

“…He decided to study medicine to be self-reliant and helpful for the society though he showed outstanding abilities to exact sciences, in particular…”
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Identification of Problems when Using Long High Voltage AC Cable in Transmission System I: Switching Transient Problems by Rahimi, S., Wiechowski, W., Randrup, M., Ostergaard, J., Nielsen, A.H.

“…Due to political and environmental pressures from the public and government side, upgrading and building new transmission facilities are becoming more and more…”
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Line differential protection scheme modelling for underground 420 kV cable systems: EMTDC/PSCAD relays modelling by Sztykiel, M., Bak, C. L., Wiechowski, W., Dollerup, S.

“…Based on the analysis of a specific relay model and an HVAC (High Voltage Alternating Current) cable system, a new approach to EMTDC/PSCAD modelling of…”
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