A common mode line-to-ground filter is disclosed which includes but is not limited to a resistor, capacitor and a ground. The common mode line to ground filter is connected on a high side of a step-up transformer. A low side of the step-up transformer is connected to a variable frequency drive that provides a semi-sinusoidal voltage waveform. The common mode line to ground filter generates a filtered sinusoidal waveform from the output of the step-up transformer. The filtered sinusoidal voltage waveform is supplied via an electrical cable to an electrically submersible pump deployed downhole.

A common mode line-to-ground filter is disclosed which includes but is not limited to a resistor, capacitor and a ground. The common mode line to ground filter is connected on a high side of a step-up transformer. A low side of the step-up transformer is connected to a variable frequency drive that provides a semi-sinusoidal voltage waveform. The common mode line to ground filter generates a filtered sinusoidal waveform from the output of the step-up transformer. The filtered sinusoidal voltage waveform is supplied via an electrical cable to an electrically submersible pump deployed downhole.

A method of prolonging the life of a peristaltic pump, including setting a timer for a predetermined rest time after the peristaltic pump is used, transmitting a micro pulse to a motor of the peristaltic pump after the predetermined rest time has elapsed, and shifting a motor roller from an initial position to a second position so that a pinch point of a tube of the peristaltic pump is formed in the second position. Further, a non-transitory computer readable storage medium storing instructions that cause the one or more computers to set a timer for a predetermined rest time after the peristaltic pump is used, transmit a micro pulse to a motor after the predetermined rest time has elapsed. and shift a motor roller from an initial position to a second position so that a pinch point of a tube of the peristaltic pump is formed in the second position.