Generator Control & Power Management Systems

Power management is tested when the load changes, a generator trips or the bus must recover. SMEC engineers generator controls around synchronisation, kW/kVAr sharing, load shedding, protection and operating sequences for isolated and grid-connected systems.

More electrified and automation-heavy assets make generator coordination and blackout recovery increasingly important, especially on rigs, vessels and isolated facilities.

Synchronisation — Voltage, frequency, phase-angle and breaker permissives govern synchronising and dead-bus closing.

Load control — Governor and AVR interfaces coordinate active/reactive load sharing, generator starts/stops and operating modes.

Disturbance response — Priority load shedding, bus transfer and blackout recovery logic should be verified against realistic failure cases.

Diagnostics — Event logs, breaker status, generator measurements and protection alarms support fault analysis.

Synchronising and breaker controls. The synchronising and breaker controls is selected for the equipment, operating duty and site conditions.

Load sharing. Load measurement requires a verified mechanical load path, correctly sized sensor, signal conditioning and traceable calibration.

Automatic start/stop. The automatic start/stop is selected for the equipment, operating duty and site conditions.

Load shedding. Load measurement requires a verified mechanical load path, correctly sized sensor, signal conditioning and traceable calibration.

Bus tie logic. The bus tie logic is selected for the equipment, operating duty and site conditions.

Blackout recovery. The blackout recovery is selected for the equipment, operating duty and site conditions.

Alarms. Alarm thresholds, priorities, delays and operator actions must be documented to avoid nuisance alarms and missed critical events.

Generator and engine interfaces. The generator connection must accommodate voltage/frequency variation, transient load steps, breaker status and coordinated protection. Interface signals should be identified in the single-line diagram and I/O schedule.

Replace legacy synchronisers and PMS controllers while preserving verified protection.

Add priority load-shedding and blackout recovery sequences.

Integrate additional generators after load-sharing and fault studies.

Retrofit scope depends on existing OEM interfaces, component condition, available space, shutdown windows and the approval basis of any safety-related functions.

Relevant IEC, ISO, API, classification-society, hazardous-area or functional-safety requirements must be selected according to the specific system and installation. Where applicable, the project package may include electrical drawings, GA layouts, datasheets, I/O schedules, cause-and-effect, communication lists, inspection records, FAT/SAT procedures, calibration records and as-built documents. No unverified compliance certification is claimed here.