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Geo Therm Ltd
Thermal Imaging,
Specialist Inspections
& CBM Services

Renewables - Inspections & Maintenance

Geo Therm Ltd are members of the East of England Energy Group (EEEGR) providing professional third-party inspection services & engineering O & M support to the renewable onshore and offshore sectors.

Wind Turbine Maintenance Support

For O & M requirements, our GWO certificated technicians can support client service teams carrying out engineering tasks in offshore and onshore wind turbine maintenance schedules. Ring-fencing our resource is a guaranteed way of ensuring you have the additional engineering support you need to deliver your contractual obligations to your client.

Solar Farms

Equipped with thermal cameras, our drones can cover acres of land safely and rapidly, pinpointing deficiencies in individual solar panels from height, alternatively, we can undertake hand-held inspections for close-proximity work such as HV switchgear or transformers. Our on-site services also include; installation of IR inspection windows to switchgear and transformers, design, testing and commissioning services connecting the solar farm to the grid.

Anaerobic Digestion (AD) Plants

Using either a thermal infrared or Gas Find imaging camera our surveyors can locate high-temperature hot-spots in electrical systems and/or gas leaks in digestion tanks and process piping. Our inspection services provide the technology to identify incipient atmospheric leaks. Thermography can be used to save money, improve reliability and identify health and safety hazards.

Thermal Imaging (IRT) Inspections

Thermography using thermal imaging equipment operated by our qualified thermographic surveyors are regularly contracted to safely monitor the condition of all types of switchgear, motor’s, and distribution equipment. Assist with company PM schedules detecting problems such as: overheating in motor windings, loose electrical connections and ferrules, bus-bolt terminations, gearbox bearings and couplings.

HV Partial Discharge Inspections

Partial discharge (PD) occurs when arcing, tracking and corona activity is present in electrical HV assets. PD is caused by defects in the insulation, overheating and movement of motor stator bars, excessive operating electrical and thermal stresses. Our inspections measure the peak magnitude, providing long-term analysis of PD activity to enable trending and diagnoses on issues related to cyclic loading, humidity, and temperature.

Hatch & Seal Integrity Inspections

Weathertight or watertight, the need for hatch, door and seal integrity is self-evident - to prevent ingress from wind, sand, and precipitation. Condensation, corrosion, and excessive wave action all have the potential to impact on turbine seal integrity. Our ultrasonic emission technology is a tried, tested and approved leak test methodology. A recognised technology applicable for hatch, window and door seal integrity on all types of marine vessels.

Electrical Maintenance Safety Devices, (EMSD’s)

Infrared (IR) windows provide a safe means to visually inspect and detect failing electrical equipment while still under load. Providing a line of site into the asset for inspections aiding operational reliability without the need for drawn out processes and paperwork (i.e. permit to work), bulky PPE or shutting the system down because of risk of electrocution or arc flash. Additional EMSD’s we supply and install include the Delta T Alert® temperature probe, once configured this small device will continuously monitor the internal asset temperature against the external ambient temperature, any deviation against set parameters will trigger an email alert, directing the engineers to the exact location of the asset requiring attention. We also provide equipment Data Tags, these near field communication (NFC) devices are ideal for retaining current asset maintenance information, or using the more versatile cloud based E-Sentry tag system – a real-time asset maintenance information portal that also holds historical data on the same asset and can be accessed remotely anywhere in the world. For additional information on EMSD’s enquire now.