Energy Transmission Lines

TRANSMISSION LINES Energy Transmission Line turnkey projects that are up to 400 kV voltage level are carried out with our professional staff and new advanced technology equipment

Services

• Survey and feasibility studies
• Project Design
• Preparation of expropriation plans
• Obtaining Environmental Impact Assessment (EIA) report
• Obtaining necessary permits
• Construction works
• Procurement and installation of materials
• Testing and commissioning

Substations

SUBSTATIONS With our expert technical staff, AIS and GIS Substation turnkey projects are carried out up to 400 kV voltage level.

Services

• Survey and feasibility studies
• Project Design
• Construction works
• Procurement and installation of materials
• Testing and commissioning

Underground Power Cables and Power Cable Accessory Installation

UNDERGROUND POWER CABLES With our specialised technical staff, underground power cable turnkey projects at 36 kV, 170 kV, 400 kV voltage levels are carried out using advanced technology machine and equipments.

Services

• Survey and feasibility studies
• Project Design
• Procurement of materials
• Trench works
• Horizontal directional drilling works
• Cable pulling works
• Installation of cable joints, indoor and outdoor terminations
• Optical fiber cable pulling
• Optical fiber joint and termination works

Power cable field tests and commissioning POWER CABLE ACCESSORY INSTALLATION WORKS Power cable accessory installation works which require high precision are carried out by our experienced and certified personnel in clean environmental conditions in accordance with the mounting instructions. Our company has the capability to install cable accessories up to 400 kV voltage level.

High Voltage AC Test

POWER CABLE AND GIS TESTS High Voltage AC Test In accordance with IEC 60840 and IEC 62067 standards, high voltage AC withstand tests on underground, submarine power cables and GIS systems up to 20 kilometers length and 400 kV voltage level with our variable frequency mobile AC resonant test systems.

System Properties

• 20 Hz – 300 Hz frequency range
• Series and parallel connection
• Low partial discharge (PD) noise < 10 pC
• Fast and easy mobilisation / demobilisation
• Pure sinusodial voltage output Other Field Tests
• Phase control
• DC voltage test on non-metallic sheaths
• Measurement of insulation resistance of XLPE insulation
• Measurements of capacitances between the metallic sheaths and conductors
• Measurement of DC resistances of the conductos
• Measurements of DC resistances of the metallic sheaths and metallic shielding
• Measurements of zero and positive sequence impedances
• Function tests on the cross-bonding system

Renewable Power Plants

RENEWABLE ENERGY PLANTS Wind Power Plants (WPP) and Solar Power Plants (SPP) are carried out as turnkey projects.

Services

• Survey and feasibility studies
• Obtaining necessary permits
• Engineering works
• Project design
• Obtaining project approvals
• Construction works (Access roads, turbine foundation, crane platform, grout application)
• Procurement and installation of materials
• Testing and commissioning
• Operations and maintenance

Horizontal Directional Drilling

HORIZONTAL DIRECTIONAL DRILLING With our expert technical staff and our state-of-the-art Prime-Drilling horizontal directional drilling machine, crossings of motorways, railways, rivers and other infrastructures (natural gas, energy, telecom, etc.) are carried out on all types of ground (clay, soil, rock, etc.) without requiring excavation or damage to the environment.

System Properties

• 80 ton pulling force
• Falcon F5 wired and wireless tracking system
• Drilling up to 1000 meter length and 1000 mm diameter
• Normal ground reamers
• Smith Gemini hard and rock ground reamers (Hole opener)
• Mud Motor technology for hard and rock ground