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This guideform specification defines the requirements, control modes, protection functions, metering, communications, programmable logic, and performance characteristics of the SMC-150 Synchronous Motor Controller for brushless synchronous motor excitation, control, monitoring, and protection applications.

This guideform specification defines the requirements, control modes, protection functions, metering, communications, programmable logic, and performance characteristics of the SMC-150 Synchronous Motor Controller for brushless synchronous motor excitation, control, monitoring, and protection applications.

This typical connection diagram illustrates standard wiring, control, sensing, protection, and excitation system connections for the SMC-150 Synchronous Motor Controller.

This typical one-line diagram illustrates the primary power, excitation, protection, and control architecture of the SMC-150 Synchronous Motor Controller.

This outline drawing provides dimensional, mounting, enclosure, and installation information for the SMC-150 Synchronous Motor Controller.

This application note describes the upgrade of an obsolete ABB Unitrol M excitation system using a DECS-2100 digital excitation controller. It highlights how the retrofit improves reliability, maintainability, and long-term support while retaining key existing excitation system power components.

This guideform specification defines the requirements, control functions, protection features, communications, monitoring capabilities, power system stabilizer options, and performance characteristics of the DECS-250N retrofit solution for replacing Siemens RG3 voltage regulators on brushless synchronous generators.

This guideform specification defines the requirements, control functions, protection features, communications, monitoring capabilities, power system stabilizer options, and performance characteristics of the DECS-250N retrofit solution for replacing Siemens RG3 voltage regulators on brushless synchronous generators.