Method of control over thyristors connected in parallel opposition
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Device for programmed control of objects
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Automatic machine for tin-plating
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Device for compensating reactive load power and symmetrizing three-phase network
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Device for controlling interconnected electric drives
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Device for controlling braking of variable-frequency electric drive
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Adjustable-frequency electric drive
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Power contact connection
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Apparatus for controlling the feed of tool electrode in electro-erosion machines
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Recorder
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Frequency-controlled electric drive
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Method of controllling mains-frequency power supply source of three-electrode electric furnace
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Device for charging storage battery
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Protection circuit for reversible rectifier converter including the rectifying bridges with opposite conduction directions,based on variable rectifiers,and pulse-phase control system
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Device for braking variable-frequency synchronous electric motor
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Device for controlling rectifier converter
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Semiconductor a.c. voltage-to-d.c. voltage converter
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Device for individual control of multiphase gate-type frequency converter with direct connection
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Deviice for open-phase protection of three-phase asynchronous motor powered by frequency converter
