Results 81 to 90 of about 308 (120)
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Generalized analysis of line commutated converters and close relatives
1987 IEEE Power Electronics Specialists Conference, 1987Various schemes have been proposed to improve the power displacement factor and distortion of large ac to dc converters by using either free-wheeling diodes and thyristors or forced commutation devices operating at low frequency. This paper presents a generalized analysis of those converters and shows that various existing configurations can be ...
G. Olivier +3 more
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Study of Commutation Failure Prediction for Line Commutated Converter
2022 IEEE 6th Conference on Energy Internet and Energy System Integration (EI2), 2022Bingkun Li +5 more
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CLOSED MATHEMATICAL DESCRIPTION OF LINE COMMUTATED CONVERTER-DRIVES
IFAC Proceedings Volumes, 1983Abstract By shifting the solution of problems to the software of microprocessors any complex control structure in electrical drive engineering can be executed. This essential presumption for solving the problem this way is the exact mathematical description of the drive system in order to enable the microprocessor to get deeper insight into the state
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Approximate dynamic average-value model for controlled line-commuted converters
2011 24th Canadian Conference on Electrical and Computer Engineering(CCECE), 2011Dynamic average-value modeling of power electronic-based systems has evolved and is widely used for system-level transient simulations and small-signal analysis. This paper presents an approximate average model for controlled line-commutated converters, which is developed based on the parametric average modeling methodology previously established for ...
Hamid Atighechi +2 more
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Sixth International Conference on AC and DC Power Transmission, 1996
Development of large-capacity, gate turn-off thyristors (GTOs) has led to a self-commutated power converter (SCC) system applicable to electric power transmission systems. During introduction of the SCC systems, a hybrid HVDC system composed of a conventional line-commutated converter (LCC) and the SCC was studied.
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Development of large-capacity, gate turn-off thyristors (GTOs) has led to a self-commutated power converter (SCC) system applicable to electric power transmission systems. During introduction of the SCC systems, a hybrid HVDC system composed of a conventional line-commutated converter (LCC) and the SCC was studied.
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MULTI-STEP LINE- AND SELF-COMMUTATED SINGLE-PHASE BRIDGE CONVERTER
IFAC Proceedings Volumes, 1977Abstract By means of fully controllable multi-step two-pulse bridge convertors d.c. loads as inverters or d.c. machines can be fed with variable voltage and current at increased line side power factor. These connections can be used for both rectifier- and inverter operation. Resistance braking is possible.
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Self-commutated Converter and Line commutated Converter; What is different?
The Journal of The Institute of Electrical Engineers of Japan, 2020openaire +1 more source