217886 ⎘
Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means for conversion of frequency
Sub-classes:Electrical power distribution network and process
#2Integral half cycle (IHC) control
#3Electrical power distribution network and process
#4Matrix converter and method for determining constants of alternating-current motor
#5Three-phase/single-phase matrix converter
#6Circuit and method for AC-to-AC voltage conversion
#7Electric interference limitation
#8Power distribution system for low-frequency AC outlets
#9Harmonic neutralized frequency changer (HFNC) control system and a HFNC including the same
#10Transferring electrical power for subsea applications
#11Inverter circuit
#12Systems and methods of power conversion for electrostatic precipitators
#13Electrical circuit, in particular used for generating electrical power
#14Method for re-powering a star-connected stator
#15Electrical circuit, in particular used for generating electrical power
#16Cycloconverter generator
#17Generator with high phase order
#18Control apparatus for AC-AC converter
#19Method for improving the mode of operation of a matrix converter
#20Methods and systems for fully differential frequency doubling