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Serial Hybrid

Electric motors replace the traditional main diesel engines, drawing electric power from onboard gensets, or an energy storage system in combination with gensets.

Power Shift Transmissions – E-Frac Electric Motor with Remote Power Source

Power Shift Transmissions – Dual Electric Motor with Energy Storage & Generator Power

Power Shift Transmissions – Single Electric Motor with Energy Storage

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Serial Hybrid

Power Shift Transmissions – E-Frac Electric Motor with Remote Power Source

This serial hybrid system for power shift transmissions uses a single electric motor. Transmission operation is managed by a state-of-the-art microprocessor-based controller.
System Overview
  • Serial hybrid capable of using power from various sources
  • Frac pump is driven mechanically with electric soft start
  • Electric line test option
Transmission and Controller
  • Twin Disc power shift transmission
  • Mechanical interface to direct mount E-Motor to transmission
  • State-of-the-art microprocessor-based controller manages transmission operation
Hybrid Controller
  • Interface with customer-supplied switchgear
  • Communicates with transmission controller for range selection
E-Motor
  • Customer selects and supplies
  • Constant-speed operation
Switchgear
  • Customer selects and supplies high voltage equipment
Soft Start E-Motor
  • Line test option
  • Speed synchronization
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