Dc to ac inverter reference design,numerology psychic number 3 worksheet,astrology malayalam chathayam,how to find out what your name means in chinese - For Begninners

05.03.2015

We engineered a Multilevel Silicon Carbide converter that provide more than two levels of voltage to achieve smoother and less distorted dc-to-ac power conversion for motor drives and energy applications.
Silicon Carbide Mosfet are a new semiconductor type with higher operating temperature (175C), larger band-gap, and high voltage breakdown (1200V), very high switching capabilities that can deliver better performances compared to IGBTs for power inverters.
The three levels TNPC (3L TNPC; T-type Neutral Point Clamped) is a very efficient inverter configuration. The 3-levels inverter is implemented as carrier board supporting the ZYNQ-7000® MicroZed and PicoZed SOM. Up to 6 Temperature probes can be connected to the carrier to monitor the inverter dissipation. ZYNQ-7000® 1 Gigabit hardened Ethernet port is used for gateway and control connection toward the National instruments lab-studio graphical user interface, residing in a PC. Complete FOC (Field Oriented Control) and SFOC (Sensorless Field Oriented Control) is available in the reference design. TLIMOT 6 Temperature probes can be connected to the carrier to monitor the inverter dissipation.


TLIMOT Hardware-in-the-Loop ZYNQ®-7000 1 Gigabit hardened Ethernet port is used for gateway and control connection toward the National instruments lab-studio graphical user interface, residing in a PC.
The sliding mode algorithm is implemented in programmable logic, targeting PMSM (Permanent Magnet Synchronous Motors). In combination with 3-Level inverter this methodology is used to implement SFOC- Sensorless Field Oriented Control. Performances of such Sensorless control are extremely good, making possible the Sensorless control almost at 0 speed. Smaller output voltage steps that mitigate motor issues due to long power cables between the inverter and the motor. Reduced surge voltages and rate of voltage rise at the motor terminals and motor shaft bearing currents. Cleaner output waveform providing an effective switching frequency twice that of the actual switching frequency. The benefit of 3L TNPC is in its output voltage wave-form while there are no restrictions to the switching scheme as in 3L NPC (especially in emergency shutdown).


The SiC high frequency capability is used in combination with the RPFM allowing very effective DC balancing and small DC-Link capacitors. Lab-view, Matlab, SciLab, Microsoft dot net, C ++, and Visual Basic for applications can also communicate by using this interface allowing investigation and further development. The benefit of 3L TNPC is in its output voltage wave-form while there are no restrictions to the switching scheme as in 3L NPC (especially in emergency shutdown). The SiC high frequency capability is used in combination with the RPFM allowing very effective DC balancing and small DC-Link capacitors. Lab-view, Matlab, SciLab, Microsoft dot net, C ++, and Visual Basic for applications can also communicate by using this interface allowing investigation and further development.



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Comments to «Dc to ac inverter reference design»

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