html{display:none} Fast Motor Bus Transfer System | Schweitzer Engineering Laboratories

Fast Motor Bus Transfer System

Fast Motor Bus Transfer

Preserve Process Reliability With Multifunction Bus Transfer

The Fast Motor Bus Transfer System includes all transfer modes (fast, in-phase, and residual) in one low-cost package. This package uses the SEL-451 Protection, Automation, and Bay Control System, a complete standalone system that includes synchrophasors, 6 CT inputs, 6 PT inputs, 79 available I/O points, 250 lines of programmable protection logic running at 8 scans per power system cycle, and 1,000 lines of freeform SELogic control equations.

With the SEL-451-based Fast Motor Bus Transfer System, you can:

  • Use high-speed SELogic control equations to program the system so that it automatically selects fast, in-phase, or residual transfer modes.
  • Restore power with the fast transfer mode before the motor slows down.
  • Minimize transient torques using in-phase transfers to prevent motor damage.
  • Restore power to low-inertia buses with residual voltage and fixed-time transfers.

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