CPC E21B 21/08 (2013.01) [E21B 4/04 (2013.01); E21B 7/022 (2013.01); E21B 43/2605 (2020.05); E21B 43/2607 (2020.05); F04B 17/03 (2013.01); F04B 17/06 (2013.01); F04D 13/0686 (2013.01); H02B 1/52 (2013.01); H02B 5/00 (2013.01); H02J 13/00036 (2020.01); H02K 7/18 (2013.01); H02P 27/04 (2013.01); E21B 4/02 (2013.01); F05B 2220/706 (2013.01); F05B 2240/941 (2013.01); H02K 9/00 (2013.01); H05K 5/0213 (2013.01); H05K 7/20918 (2013.01)] | 20 Claims |
1. A pump configuration for a fracking operation, the pump configuration comprising:
a cabin defining a cabin interior;
a first variable frequency drive (VFD) positioned in the cabin interior to provide electric power at a first voltage level;
a second variable frequency drive (VFD) positioned in the cabin interior to provide electric power at a second voltage level less than the first voltage level;
an electric motor coupled to the first VFD to receive electric power from the first VFD; and
a hydraulic pump coupled to the electric motor to continuously pump fracking media in response to operation of the electric motor,
wherein:
the first VFD includes a power cell assembly and a transformer assembly,
the cabin includes a maintenance door to permit personnel access to the power cell assembly and the transformer assembly from outside the cabin, and
the cabin includes a closet door to permit personnel access to the second VFD from outside the cabin.
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