Resources Contact Us Home
Dual bridge matrix converter

Image Number 6 for United States Patent #6995992.

A dual bridge matrix converter has a line-side converter with controllable switches that receives AC power and provides unidirectional power to high and low DC link lines, and a load-side converter which receives the power from the DC link lines and provides AC power to output lines. A clamp circuit is connected across the DC link lines and includes a series connected diode and a capacitor. Negative DC link current will be conducted through the clamp diode to charge the clamp capacitor to avoid voltage spikes on the DC link lines. A controllable switch may be connected in parallel with the clamp diode and is turned on when the voltage across the clamp capacitor is above a threshold that is greater than the normal peak-to-peak AC input voltage. The switch is turned off when the voltage across the clamp capacitor is lower than the threshold voltage.

  Recently Added Patents
Moulded tie strips
Visual processing apparatus and visual processing method
Matching geometry generation and display of mammograms and tomosynthesis images
Making transparent capacitor with multi-layer grid
Paging of a user equipment (UE) within a wireless communications system
System and method for detecting an earth ground fault of an external power supply connected to a vehicle
  Randomly Featured Patents
Vibrator controlling circuit
End effector for a robotic arm of a disk certifier
Carbon black reactor
Information processing apparatus control method for external device having both a wired interface and a wireless interface settings
Flat back narrow window economy tab
Camp stove
Pre-mixed catalyzed vinyl acetate co-polymer adhesive composition
Electrical interconnect arrangement for a GFCI magnetic sensor module plug-in subassembly
Protection device for a motor vehicle interior
Remote control housing for a curtain positioner