SEL Engineering Services (ES) provides both custom and pre-engineered synchronization systems. These systems automatically reduce slip, phase angles, and voltage differences before automatically closing a circuit breaker. The systems send control set points to any number of generators or inverters. An SEL relay at each point of coupling automatically closes the circuit breaker once acceptable slip, phase angles, and voltage differences are detected.
SEL supplies advanced generator and microgrid synchronizing systems. Our teams have extensive experience with designing complete synchronizing systems and panels with automatic and/or manual, local and/or remote functionality. Contact SEL Engineering Services for a custom-engineered configuration.
SEL supplies several types of pre-engineered synchronization systems using only relays. Configuration and documentation are sold as a package for the user to install and commission. Advanced automatic synchronization systems using the SEL-451 Protection, Automation, and Bay Control System provide a fully featured conventional generator synchronizer. Simplified automatic synchronization using SEL-751 Feeder Protection Relays are designed specifically for microgrid points of common coupling (PCCs).
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