Patent ID: 11939828
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC E  F  H | IPC E  F  H

Claim 17:
18. The electric driven hydraulic fracking system of claim 17, wherein each VFD cell included in each corresponding VFD configuration is further configured to: convert a first phase of the AC voltage signal, a second phase of the AC voltage signal, and a third phase of the AC voltage signal to the VFD voltage signal at the VFD voltage level; and
drive each corresponding electric motor from the plurality of electric motors to control the operation of each corresponding hydraulic pump from the plurality of hydraulic pumps with the decrease in harmonics included in the VFD current waveform of the VFD voltage signal at the VFD voltage level.