The M-0359 SyncrocloserŽ Check Plus Relay is used as a
permissive relay for secure reclosing of a circuit breaker by verifying
that voltage and phase angle conditions are within pre-set limits before
allowing the breaker to close. The M-0359 uses phase angle/slip frequency
to verify synchronism to provide rapid restoration with the smallest possible
angle settings without a time delay. Analog outputs of phase angle, bus
voltage, line voltage, DV and DF
are provided for SCADA system interface.
- Enhances system stability when applied to transmission and primary
distribution reclosing schemes.
- Detects a static phase angle across an open breaker in 0.5 sec. to
assure a fast permissive for reclosure.
- Simultaneously measures voltage magnitudes to ensure that they are
within upper, lower, and difference limits.
- Includes dead line/dead bus closing features.
- Remote command widens the phase angle setpoint to respond to system
emergencies or to narrow the setpoint of the two systems are isolated
to close the breaker very close to 0°.
- Transducer analog outputs are SCADA compatible.
Sales and Service
For sales and service information
contact your local representative
or contact the factory:
E-mail: sales@beckwithelectric.com
Call (727) 544-2326
or Fax (727) 546-0121
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