SPM-D11

The SPM-D11 (ASG 411) 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.

Common Features:

• Phase match or slip frequency synchronization with voltage matching
• 2-phase sensing of generator and busbar
• Synchronization time monitoring
• Load/var sharing
• Real power control
• True RMS power calculation
• Generator real power set point by parameter or via 0/4 to 20 mA
• Soft unloading
• Power factor control
• Power factor set point by parameter
• Power limit value with relay output
• Discrete raise/lower for speed/load
• Discrete raise/lower for voltage/power factor 
• Two-line Liquid Crystal display
• Operation and alarm indication
• Control activity and breaker state indication
• Synchroscope
• Generator/busbar value display
• English/German display language
• PC and front panel configurable

Protection Functions:

• Generator over/undervoltage (ANSI# 59/27)
• Generator over/underfrequency (ANSI# 81O/U)
• Generator overload (ANSI# 32)
• Generator reverse/reduced power (ANSI# 32R/F)

Option X Features:

Models:
SPM-D11/LSXR

• Analog bias outputs for voltage and speed freely configurable
• Speed bias output configurable as 500 Hz PWM output with adjustable voltage level

• Two raise/lower outputs configurable for either speed or voltage

Wide-range Discrete Inputs:

All units are available with 12/24 Vdc DIs or wide-range DIs (18 to 250 Vac/dc).
Please refer to the Product Specs for detailed information.

Certifications / registrations: UL/cUL, CE

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