As a specialist in independent testing and verification, Mok and Co can assure you that we provide quality, end to end services from installation through to startup, preventive maintenance as well as troubleshooting.

Installation, Pre-Commissioning, Commissioning & Startup
• Factory Acceptance Tests (FAT) & Site Acceptance Tests (SAT)
• Functional testing of Automatic Transfer Schemes (ATS)
• Verification of metering & instrument transformers
• High voltage testing on cables and switchgears.
• Implementation, testing & verification of settings & logic schemes on protective relays

Preventive Maintenance
• Recalibration of protective relays & motor control centers
• Servicing & testing of switchgears & motor control centers
• Operational time, travel & dynamic testing of circuit breakers
• Load bank tests
• Power Transformer filtration, oil dielectric breakdown & Dissolve Gas-in-oil Analysis (DGA)
• Modification & retrofitting works.

Fault Finding & Troubleshooting
• Electrical control & troubleshooting works
• DC control voltage earth faults
• Fault investigation works
• Emergency breakdown services
• Power quality monitoring