Description
Overview
Essential details:SPM-D11 8440-1706 SPM-D11 category of synchronizers
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SPM-D11 8440-1706 SPM-D11 category of synchronizers
APPLICATIONS
The SPM–D11 is a microprocessor-based synchronizer designed for use on one or three-phase AC generators equipped with Woodward or other compatible speed controls and automatic voltage regulators. The SPM–D11 synchronizer provides automatic frequency, phase and voltage matching using either analog- or discrete output bias signals.
It combines synchronizing for one circuit breaker, load and power factor control or isochronous load sharing and generator protection.
DESCRIPTION
Synchronizing
• Phase match or slip frequency synchronization with voltage matching
• Two-phase sensing of generator and bus
• Selectable operating modes like SPM-A (Run, Check, Permissive, and OFF)
• Synchro-check possible
• Synchronization time monitoring
• Load/var sharing
Mains parallel operation
• Real power control
• True RMS power calculation
• Generator real power setpoint by parameter (2 values) or via 0/4 to 20 mA
• Soft unloading
• Power factor control
• Power factor setpoint by parameter
• Power limit value with relay output Isolated operation
• Frequency control
• Voltage control
Dead bus operation
• Closing of breaker on demand