A new phase locking method with zero crossing
average zero-crossing rate
back EMF zero-crossing detection
back EMF zero-crossing point detection
back-EMF zero-crossing detection
comparison of zero-crossing
controlling of zero-crossing breaking or shutting off
controlling of zero-crossing breaking over or shutting off
crossing zero comparison
current distortion at zero-crossing
Current Zero-crossing Distortion
current zero-crossing point
distortionof zero-crossing
error of zero crossing point