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- W781892295 abstract "There is a class of industrial consumers, which include drives that require AC power low frequency, as well as the soft starter for a soft start motor without inrush current. Currently this is done using the static frequency converters, mostly with PWM modulation, including a multilevel. Application of direct converters limited by the low quality of the output voltage to the classical schemes. The advantages of converters with PWM modulation are of circuit simplicity and low cost. But in the case of strong consumers of their field of application is limited due to the high level of interference to radio and electromagnetic compatibility bad. Described in the article on the basis of the frequency converter transformer with a rotating magnetic field provides a number of advantages compared to classical schemes direct converters and also provides better electromagnetic compatibility mains. The essence of the proposed new method for reducing the frequency control algorithm reverse-phase bridge, providing a growing, with a constant pitch, delay switching power valves. This allows you to create a direct converter with continuous regulation of the output frequency and output voltage, consisting of fragments of a sine wave input voltage. These converters can be used in variable speed drive with, especially marine propulsion." @default.
- W781892295 created "2016-06-24" @default.
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- W781892295 date "2014-01-01" @default.
- W781892295 modified "2023-09-24" @default.
- W781892295 title "Непосредственный понижающий преобразователь частоты на базе трансформатора с вращающимся магнитным полем" @default.
- W781892295 hasPublicationYear "2014" @default.
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