Offshore Electronic Repair Services | Oil & Gas, Wind & Subsea

Wind turbine manufacturers we support:

• Siemens Gamesa (formerly Siemens Wind Power)

• Vestas

• GE Renewable Energy (formerly GE Wind)

• Enercon

• Nordex Acciona

• Senvion (obsolete models, company no longer trading)

• REpower (now Senvion/obsolete)

• Plus custom control systems and third-party monitoring equipment

Workshop-based repair with standard turnaround 5-10 working days. Emergency repair 1-3 working days for critical offshore wind breakdowns affecting generation capacity

Offshore Wind Farm Electronics

Northern Power Electronics repairs electronic control systems and power equipment for offshore wind farms operating across the North Sea.

With Dogger Bank Wind Farm, Blyth Offshore Wind, and other major installations expanding capacity across the region, offshore wind operators need fast, local repair capability that understands the operational demands of wind farm maintenance.

Wind turbine and platform equipment we repair:

• Turbine control systems and PLCs

• Pitch and yaw control electronics

• SCADA and remote monitoring systems

• Inverters and power converters (grid connection)

• Generator control modules

• Condition monitoring systems

• Platform and substation control panels

• Subsea cable monitoring equipment

• Environmental and met mast electronics

• Emergency shutdown systems

• Backup power and UPS systems

• Communication and telemetry equipment

Common offshore wind failures:

Offshore wind electronics face unique stress — salt air, humidity, temperature cycling, and constant vibration from turbine operation. These conditions cause premature component failure, particularly in equipment over 10 years old.

• Controller communication faults from corrosion and salt air

• Inverter failures from grid disturbances and power transients

• Pitch system electronics degradation

• SCADA hardware faults affecting remote diagnostics

• Power supply failure in nacelle and tower electronics

• Capacitor and relay failure from temperature extremes

• Connector and cable degradation from moisture ingress

Obsolete wind turbine electronics:

Many North Sea wind farms use turbines 10-15 years old. Original manufacturers often discontinue support after this period, leaving operators with:

• No spare parts available

• OEM repair services discontinued

• Long lead times for refurbished units from third parties

• Expensive replacement with newer control systems requiring software integration

We repair obsolete wind turbine controllers, inverters, and monitoring systems at component level — extending operational life and avoiding costly system replacements.

Offshore Repair Case Studies

Real offshore electronics repairs we've completed for oil & gas platforms, subsea systems, and offshore wind installations. We repair turbine drives, control systems, subsea equipment, and obsolete offshore electronics with no manufacturer support:

Kongsberg Subsea Camera PSU Repair

Equipment: Kongsberg OE ROS 20.20 subsea camera power supply PCB

Problem: Power supply failure causing complete camera system shutdown on North Sea platform

Solution: Component-level PCB refurbishment, replaced failed voltage regulators, tested under load

Result: Camera system operational, 3-day turnaround, avoided OEM replacement with extended lead time

HydroPACT 44 Full System Refurbishment

Equipment: HydroPACT 44 hydraulic control system (obsolete, no manufacturer support)

Problem: Complete system failure, equipment 15+ years old, no spare parts available

Solution: Full electronic refurbishment - replaced aging capacitors, connectors, power supply components, reverse-engineered control logic

Result: System restored to full operation, 10+ year life extension, platform avoided costly system replacement

Track Motor Encoder Repair

Equipment: precision track motor encoder for offshore crane positioning

Problem: Encoder failure causing crane positioning errors and safety system faults

Solution: Encoder PCB repair, functional testing under simulated load conditions

Result: Crane positioning accuracy restored, safety systems operational, avoided platform downtime

Lighting Control System Refurbishment

Equipment: Multiple 2-channel light dimmer PCBs (×5 units) for platform deck lighting

Problem: Dimmer failures causing inconsistent lighting control across platform

Solution: Batch refurbishment of all 5 PCBs - replaced failed triacs, opto-isolators, control ICs

Result: Complete lighting control system operational, all zones functioning correctly

8200 Vector Inverter Repair

Equipment: 8200 Vector Inverter for critical pump motor control

Problem: Inverter shutdown causing pump failure and process interruption

Solution: Power stage repair, gate driver replacement, full load testing and commissioning

Result: Pump system restored, process continuity maintained, avoided 2-week OEM lead time

Control Techniques Maxi Maestro 200 Full Service and Test

Equipment: Control Techniques Maxi Maestro 200X25/50 frequency converter for offshore wind turbine pitch control and auxiliary systems

Problem: Preventative service required before component failure, unit flagged during routine offshore inspection cycle

Solution: Full inspection, component-level fault finding, electrolytic capacitor replacement, power stage testing, DC bus measurement, cooling fan inspection, functional load testing with oscilloscope verification

Result: Drive operational, preventative maintenance completed, extended service life by 5-10 years, avoided unplanned turbine downtime and emergency offshore callout costs

Lenze 8400 HighLine C Positioning Drive Repair

Equipment: Lenze 8400 HighLine C variable frequency drive with integrated positioning control for offshore wind turbine auxiliary systems

Problem: Drive fault affecting automated positioning system, preventing turbine cable twist management operation

Solution: Component-level fault diagnosis, power electronics repair, positioning control board refurbishment, reprogramming of stored positioning profiles, full load testing under simulated offshore conditions

Result: Drive restored to full operation with all 15 positioning points verified, turbine cable management system operational, rapid turnaround avoided extended offshore maintenance delay