High Voltage Substations & Transmission Lines
NCC is a leading contractor in the Transmission & Distribution Sector in the Kingdom of Saudi Arabia with present operations / project executions covering the Middle East & Africa. The company is capable of executing EHV & HV Substations & Transmission lines and electrical distribution projects on turnkey basis. NCC has more that 20 years experience in Turnkey Projects which include:
EHV Substations
- Indoor & Outdoor Substations upto 380kV
EHV Transmission Lines & Underground Cabling
- Transmission Lines upto 380kV
- Underground Cabling upto 230kV
MV & LV Distribution Lines
- Distribution Lines of 33kV, 13.8kV
- LV Lines, Service Connection etc
F.O. Cable Installation/Retrofitting
- OH & UG Fiber Optic Cable Including retrofitting works under Live Line Condition
TRACK RECORD
- Completed more than 35 EHV & HV Substation projects
- Completed over 1,400 km. of Extra High Voltage Overhead lines
- Completed over 1000 km. of MV Distribution lines (up to 33kV) and 900 pole mounted transformers and 500 km. of LV lines
- First contractor to win 3 out of 4 “best performance contractor awards” given by SEC-EOA, KSA on turnkey sector
- First contractor to install & commission 380 kV Hybrid GIS outdoor S/S in SEC-EOA, KSA
- First contractor to install & commission 230 kV Capacitor banks in SEC-EOA, KSA
- Constructed many Transmission line projects in tough, mountainous and desert regions, including the longest span in the Middle East
CAPABILITIES
Design & Engineering
Have fully experienced Electrical, Civil, Protection and Transmission Line Design Engineers and specialists with "In-House" Design and Engineering facilities with latest software:
- ETAP:
Calculation related to system fault, short circuit, power flow, current supply, derating factor, earthing system and voltage drop. - CYMCAP:
Power cable ampacity calculation per IEC – 60287. - ASPEN:
Overhead transmission line and underground cable impedance calculation. - CDEGS:
Substation grounding design & Analysis per IEEE-80. - PLS-CADD:
A comprehensive program for structural and geometric design of overhead lines including terrain modeling, route selection, manual or automatic minimum cost evaluation, sag tension, clearance, string charts, strength charts, material list generation ‘plan and profile’ drafting. - ALCOA SAG 10:
Calculation related to Conductor Sag & Tension, Mechanical load and stresses etc. - STAAD/Pro:
A widely accepted general purpose structural analysis and design program for geometric modeling of 2D & 3D frame trusses, plates and various other surfaces which can be generated graphically and with features to generate various kinds of loadings and to perform RCC design, structural steel design, supporting provisions of various international codes. - PLS-TOWER:
Complete, integrated computer program for the analysis of Steel Latticed Towers, Communication Towers and Substation Steel Structures. - PLS-POLE:
Design of steel monopoles. - PLS-FOOTING:
Design of spread footing foundations for Transmission Line towers and substation steel structures foundations. - CAISSON:
Design of moment resisting concrete pier foundations for Transmission Line monopoles, small base Substation towers and equipment support structure foundations - ATP (Alternate Transient Program)
Insulation coordination study. - SHAFT V.5
Design of axially loaded drilled shafts.
Construction
Excellent logistics support with a work force comprising qualified & experienced Engineers, Supervisors, Technicians and Fiber Optic Specialists.
Major Construction Equipment including Stringing equipment, Auger Machines, Down hole Drilling equipment, Cranes, Transformer Oil Filtration equipment, SF6 Gas handling plant and Ready Mix Concrete Mobile batching plant.
NCC have executed many Fibre Optic Installations mainly associated with Power lines using various leading International makes of Optical Ground Wire.
Testing & Commissioning
Dedicated Testing & Commissioning team with state-of-the-art Testing Equipment.
