Speed and Phase Matching Synchronizer providing automatic frequency and phase matching when used with 2301/2301A and EPG electric load sharing control systems.
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The SPM-A Synchronizer automatically generates a signal to bias the speed of the prime mover of an off-line generator so that its frequency and phase match those of the bus. Tight control action is obtained by feeding the synchronizer’s speed bias signals directly into the electronic control’s speed loop error amplifier rather than through a motor-operated speed-setting 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 limits.
Four operating modes (Run, Check, Permissive, and Off) facilitate system testing and installation checkout without electrically disconnecting the synchronizer from the control system. These four modes are selected by an external switch (customer supplied) connected to the SPM-A Synchronizer.
Features
• UL and cUL Listed
• CSA Certified
• Adjustable dynamics
• Frequency, phase, and optional voltage matching
• Selectable matchup time
• Automatic breaker closure
• Selectable output impedance
Woodward’s LS-5 Series relays are synchronizer controllers with integrated mains decoupling and protection features.
Woodward’s LS-5 Series relays are synchronizer controllers with integrated mains decoupling and protection features.
Woodward’s LS-5 circuit breaker, synchronization & control unit with marine approval
Woodward’s LS-5 Series relays are synchronizer controllers with integrated mains decoupling and protection features.
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