National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Porovnání usměrňovače s šířkově pulzní modulací s usměrňovačem fázově řízeným
Lettl, Jiří
The presented paper deals with measured waveforms of realized PWM rectifier with practically sinusoidal input current and controllable phase shift between input current first harmonic and supply voltage first harmonic. Electromagnetic compatibility of PWM rectifier and classical phase controlled rectifier is compared on the basis of the input current harmonic analysis.
The Vibrattion Measurement Methods of the Engineering Components under Rotation
Budek, P. ; Chmelíček, M. ; Jehlička, Vladimír
The paper describes vibration measurement methods under rotation of mounted wheels and steam turbine blades and signal transfer from rotating components to evaluation devices. The aothors devote to solution of radio telemetric transfer signal problems in the paper.

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