Protection Engineering
Design review, relay schemes, fault level and grading studies that ensure selectivity, compliance and system resilience.
Electrical Commissioning
Structured pre-commissioning, energisation and load trials delivering right-first-time system performance.
Protection Testing & Verification
Primary and secondary injection testing, CT/VT verification and functional validation up to 132kV.
WHAT WE DO
Our Services
Protection Engineering
Protection philosophy development, relay scheme design, fault level calculations and grading studies to ensure selective and compliant power system protection.
Electrical Commissioning
Pre-commissioning, energisation and load trials delivered using structured, right-first-time commissioning methodologies for critical assets.
Protection Testing (LV–132kV)
Primary and secondary injection testing, CT/VT verification and functional testing of modern protection relays and schemes.
Switchgear & Breaker Testing
Timing tests, contact resistance, high-voltage withstand and condition assessment of LV, MV and HV switchgear systems.
Condition Assessment & Surveys
Protection health checks, brownfield assessments and compliance audits to reduce risk and extend asset life.
Power System Advisory
Power system analysis, protection & control engineering and grid integration support delivered alongside commissioning activities.
WHO WE ARE
More About PowerSphere Engineering Limited
PowerSphere Engineering Limited is a specialist electrical engineering company focused on Protection Engineering, Commissioning and Testing of mission-critical power systems across offshore, industrial and utility environments.
We support clients operating high-risk and high-value electrical infrastructure by delivering technically sound, compliant and defensible commissioning outcomes. Our work spans LV, MV and HV systems up to 132kV, supported by deep expertise in protection design, testing and power system analysis.
why PowerSphere
OUR VALUES
OUR EDGE
Our edge lies in decades of combined LV, MV and HV engineering experience, highly trained commissioning and protection specialists, mobile offshore-ready testing capability, and a dual UK–Nigeria presence supporting global and West African assets.
Our Philosophy
Our philosophy combines safety-first thinking, technical precision and uncompromising documentation, applied through an end-to-end methodology covering planning, design review, testing, energisation, handover and lifecycle support.
OUR TECHNICAL COMPETENCE
We deliver aligned protection, commissioning and testing expertise across LV–HV power systems, combining advanced relay technologies, rigorous fault analysis and offshore-safe engineering practices.
How We Work
OUR METHODOLOGY
Project Planning & Risk Definition
Scope definition, drawing reviews, protection philosophy verification and risk identification.
Protection Design Review & Engineering Assurance
Fault level calculations, grading studies, relay scheme verification and standards compliance.
Factory & Pre-Commissioning Support
FAT support, inspections, earthing, continuity and insulation testing.
Protection Testing & Functional Verification
Primary and secondary injection testing, CT/VT testing, relay logic and switchgear verification.
Energisation & Load Trials
Controlled energisation, stability monitoring and interface testing.
Documentation, Handover & Compliance
Commissioning dossiers, as-built records and regulator-ready documentation.
Lifecycle Support & Maintenance Strategy
Periodic testing, brownfield upgrades, fault investigations and life extension support.
Our Work
Case Studies
Offshore Brownfield Protection Upgrade – UK North Sea
Elimination of nuisance trips, improved generator stability and safe re-energisation.
FPSO Commissioning Support – Nigeria
On-schedule energisation with fully compliant commissioning records.
Industrial Protection Health Check – Petrochemical Facility
Root cause resolution, reduced outages and extended asset life.
