cell phone jammer has some imported elements

the dual space vector algorithm for dual-space vector algorithm ( SVM) dual space vector algorithm works is equivalent to cross the matrix converter - DC - level virtual whole pay structure before the first class equivalent to the structure of the LCI virtual rectifier and post-level inverter using the matrix converter space vector control inverter and post-level inverter space vector control technology, similar to the inverter of SVPWM displacement size adjustable sinusoidal current at the input side, output, the input side displacement size tone sinusoidal current, the fundamental voltage amplitude and phase frequency adjustable side to side of the fundamental voltage amplitude and phase frequency adjustable. ultimately want the two parts of an organic combination of overall control to achieve the overall control of the above given a more in-depth study of two matrix converter control algorithm has a certain value, including double-space vector algorithm is more common to use a certain value, the dual space vector algorithm uses relatively common. cell phone jammer has some imported elements. 4 AC - DC - AC Inverter AC-DC inverter to AC inverter: (1) voltage and current source inverter voltage type and current-type inverter intermediate links equivalent to the middle of the voltage (current current) source inverter link equivalent voltage and current source inverter (c) current source inverter current source inverter rectifier circuit commonly used SCR, Umax = 8000v, a higher grid voltage rectifier circuit commonly used, the SCR series , the use of the device rated voltage of 50% -60%, consider the static pressure and series, the use of the device rated voltage series, the dynamic pressure-state voltage drop smaller on-state voltage drop is only 1.7V, the dynamic pressure smaller. state voltage drop, power gate trigger current, the critical rate of rise of on-state current of 250A /? s. rectifier three-phase bridge SCR rectifier circuit input current harmonics can be adopted rectifier circuit of the input current harmonic wave rectifier using a larger three-phase bridge rectifier circuit of the input current harmonic pulse or 18 pulse 12 pulse or pulse low power factor, the need to increase the compensation device.Some elements are imported to produce a more advanced cell phone jammer . current source pulse or pulse power factor lower compensation devices need to add the inverter will have a greater common-mode voltage, the inverter will have a greater common-mode voltage, common mode voltage input transformer imposing the midpoint of the motor windings and ground.