Long Term Service Agreement 

We offer Long Term Service Agreement  to ensure maximum availability of our customer’s geothermal power plants and to prevent any performance degradation throughout the power plant’s entire life cycle. Our customers’ peace of mind is guaranteed through Deilir Technical Services; predictable maintenance budgets, inventory control, and proactive contract management. Our contracts are tailored to meet each customer’s individual needs, to adapt to frequently changing market conditions, and to provide the best service value over the plant’s life cycle.

DTS offers customers comprehensive coverage, which includes but is not limited to:

Our O&M services include plant maintenance, facility management, operations,  start-up and commissioning, and asset performance improvements.

Parts supply – We maintain an extensive inventory of power plant replacement parts, to ensure ready availability for both scheduled and forced outages.

Parts refurbishment and repair – We provide our customers life-extending and performance-enhancing repair and refurbishment solutions.

Field services – We support our customers worldwide on a wide variety of power equipment for a geothermal power plants, such as steam turbines, generators, control, SCADA systems and all auxiliary equipment. This extensive service ranges from turnkey planned maintenance, specialized field diagnostic support, custom designed specialty tooling, and equipment to emergency outage services.

Technical advisory – An expert is dispatched to the power plant site to provide technical advice and to ensure high quality and timely completion of the planned maintenance.

Operation & maintenance 

The DTS team has good worldwide experience and our geothermal services have no limits. DTS offers a complete range of Operations & Maintenance (O&M) services to power plant owners. DTS has experience in setting up full scope O&M organizations to ensure safe and efficient operations, and effective management of both planned and unplanned maintenance activities. DTS provides professional service of geothermal steam turbines and surrounding equipment. Our team at DTS has experience in Fuji, Mitsubishi, Toshiba, Ormat, MAN, and Elliot turbines. Our team experience spans dozens of project planning operations, project management and hands-on work on turbine overhauls, rotor and diaphragm repairs, and affiliated equipment such as valves, pump systems and generator inspections service. Our customers can be served through different service levels depending on their needs.

DTS Field Services

DTS Field Services provides complete field maintenance, installation, training, and repair for geothermal power plant equipment and control systems.
Beside installation and commissioning, we offer you integrated, comprehensive solutions for inspections, on-site repairs and outage services. Our experienced service specialists have the know-how to get your equipment back online in the shortest time.
DTS also provides timely delivery of parts and components with quality and reliability.

  • Installation and start-up
  • Turbine overhauls
  • Generator inspection
  • Technical advisory
  • Failure analysis
  • Total power plant support
  • Field consulting

DTS provides comprehensive field services, including project management, labor supervision and millwright work for virtually all types of geothermal power plants – steam turbines, generators, pumps, cooling tower and other power plant equipment.
DTS O&M services will enable your power plant to run more safely, reliably, and cost-effectively. The DTS team brings a wealth of experience to our services DTS Field Services are used to service geothermal power plant equipment in all kind of environmental with difficult conditions in rural areas, whether in northern areas such as Iceland or in Africa.

TURBINE SERVICE WORKSHOP

The turbine workshop currently services eleven geothermal rotors in Iceland, ranging from simple to very complex repairs.

Complex work as have been done

  • Seal areas milled and new welded on with better materials
  • Old disk removed and new welded up and milled
  • Blade replenishment
  • Stress relive process
  • Rotor balancing

Workshop main equipment

  • Lathe, 75 tons, for rotor repair, milling and welding
  • SAW welding machine, working range 3 x 3 m
  • Low speed balance machine, 32-ton load
  • Rotor stress relief equipment
  • Overhead crane, 32 tons
  • Special purpose tooling for all manual measurement 
  • (micrometers, etc.)
  • Laser measurement with hexagon arm
  • Special grinding tool, small lathe, milling machine
  • Hydraulic press, welding stand for diaphragms

technical-service

Our engineering team provides assistance to convert design information for legacy parts and plant lay-outs to digital CAD format, and also support to analyze product design for flaws through reverse engineering.

Part Manufacturing

Scanned part drawings can easily be imported to milling machine for manufacturing. Faster and cheaper spare parts.

Part-to-Part Comparison

Two parts can be scanned, and both datasets are compared. Alignment is performed by either a best-fit

method or predetermined data. Results are supplied in a color-coded model showing deviations between each part for internal and external geometry.

  • 3D engineering design
  • 3D reverse engineering and parts scanning
  • Quality assessment
  • On-site project management and project planning
  • Improved equipment resistance to environment
  • Diaphragm blade repairs or replacement
  • Stress relief process after repair work
  • Sealing face and horizontal joint overlay repairs
  • Seal removal, installation and final machining

general-workshop

The DTS workshop at Hellisheiði is well organized, with line management ensuring repairs flow smoothly and quickly through the workshop and minimizing the repair time for all repaired equipment.

All work orders come from maintenance software with all instructions for the repair. If such instructions are missing or require improvement, the DTS workshop will draft or amend as necessary. This enables us to keep improving all of our repair processes.

The workshop services all equipment for the power plants and Nesjavellir and Hellisheiði (total 400 MW), including thousands of valves and dozens of other pieces of equipment.