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The Speed and Phase Matching (SPM-A) Synchronizer provides automatic frequency and phase matching when used with 2301A, 701A and Electrically Powered Governor (EPG) control systems. The UL-listed, CSA-certified SPM-A Synchronizer automatically generates a signal to bias the speed of the engine of an off-line generator so its frequency and phase match those of the bus.Tight control is maintained by feeding the synchronizer's speed bias signals directly into the electronic control's speed loop error amplifier rather than through a potentiometer. The synchronizer automatically issues a signal to close the circuit breaker connecting the off-line unit to the bus when phase and frequency are matched within the limits.
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Single Set & Paralleling Controls - SPM-A