Drilling Rig Power Houses

Power houses consolidate electrical distribution, conversion and control into a coordinated, maintainable package. SMEC's engineering scope can integrate incoming power, switchgear, transformers, protection, DC systems and auxiliary services based on the project requirement.

Engineering, interface definition, panel/package build, software/configuration where applicable, FAT, site installation support, SAT/commissioning and lifecycle support.

Power distribution — Incoming feeders, transformer capacity, MV/LV switchgear, PCC/MCC, outgoing loads and protection relays form a coordinated electrical distribution system.

Protection — Short-circuit withstand, selectivity, earthing, fault clearing and arc-flash considerations are established from system studies.

Auxiliary systems — UPS/DC power, battery autonomy, lighting, HVAC, metering and fire detection are coordinated with critical load requirements.

Plant integration — Power management, remote indication, breaker controls and maintenance access are designed around the actual operating philosophy.

Incoming MV/LV distribution. The incoming mv/lv distribution is selected for the equipment, operating duty and site conditions.

Transformers. Transformer impedance, winding arrangement, cooling, insulation class and protection must suit the upstream fault level and downstream conversion equipment.

Protection relays. Protection settings, trip contacts and fault discrimination must coordinate with upstream and downstream equipment and be demonstrated during testing.

MCC/PCC. The mcc/pcc is selected for the equipment, operating duty and site conditions.

UPS and DC supply. UPS/DC autonomy is selected from critical load demand and required ride-through duration; battery maintenance and alarm contacts must be considered.

Metering. The metering is selected for the equipment, operating duty and site conditions.

Earthing. Protective earthing, bonding, power/control cable segregation and shield termination reduce shock risk and electrical interference.

HVAC. The hvac is selected for the equipment, operating duty and site conditions.

Fire detection and access control. Fire and gas functions must follow the detector schedule, hazard assessment, cause-and-effect and defined response of alarms and shutdown interfaces.

Extend feeders or MCC bays following load-flow and short-circuit studies.

Upgrade protection relays, UPS/DC supply and remote metering.

Replace ageing switchgear in planned stages to limit site disruption.

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.