Testing and Commisioning

In its role as a competent and complete EPC contractor of electrical projects, HHC has deployed substantial technical and managerial resources in the fast growing field of EHV Electrical Testing & Commissioning Services. Several projects have been completed by HHC.

Few of our testing and commissioning capabilities include:

• Protection & Control Relay Testing
• DC & AC High Pot Testing
• Double Test
• SCADA and RTU Testing
• High Voltage Transformer Testing
• 380 KV GIS Testing
• 380 KV Out Door Gantry Equipment
• Battery and Battery Charger System
• Generator Testing
• OH Transmission Line Testing.
• Transformer Oil Filtration

List of Major Projects Completed:

Complete Testing & Commissioning Services for;

• 380 kV GIS and related protection and control system of 4 x 600 MW Ghazlan Power Plant II expansion.
• 230/69/13.8 kV Substation No. 80 including 230kV LPOF Cable and 230 kV Overhead Transmission Line at Ras Tanura Refinery, Saudi Arabia.
• 230/69/13.8 kV Substation No.215 including 230kV XLPE cable at Ras Tanura Refinery, Saudi Arabia.
• Three (3) 380 kV Double Circuit Overhead Transmission Line from Ghazlan Power Plant II to Al Fadhili and Ghunan Substation for Al Sharif / SCECO East in Saudi Arabia.
• 230 kV XLPE Cable and Lightning Arrester at Qatif BSP for AARTCO / SCECO(East), Saudi Arabia.
• 115kv sub station for GOSP-3 & GOSP-4 HAWIYA Aramco, Saudi Arabia.
• 115kv/13.8kv NAF substation Phase – I including protection and control system.
• Saudi Aramco Substation No. 51 for MMG at Ras Tanura Refinery.
• Substation at Abqaiq Refinery for LG Construction.
• Package No. 2 Substation for BSW at Ras Tanura Refinery,
• Seawater Cooling System at Jubail for Royal Commission, Saudi Arabia.
• Substation at Jubail for S.A. Kent / Royal Commission, Saudi Arabia
• Saudi Aramco Replacement of Substation No.33 at Ras Tanura Terminal.
• Saudi Aramco, Substations No.8, 10, 11 & 12 at Rabigh Refinery.
• 115 KV Substation 6F Royal commission Yanbu Including 100 MVA 6 nos Transformers and 115 KV XLPE Cable , Protection and control System , SCADA and LDC Integration
• 380 kv and 115KV SSPP Project-Royal Commission , Yanbu Complete testing and commissioning of 380KV SSPP and 115kV SSPP Switchyard substation and 115 KV SS 9I.

• 380kV GIS , 115 KV GIS including CT,PT and Breaker testing.
• 380kV and 115 KV GIS Control System (IEC 61850 Protocol)
• 380kV & 115 KV Protective Relays System - Advanced numerical protection and control relays of ABB, SIEMENS, ALSTOM, etc. All these relay were compatible with IEC 61850 protocol , relays such as Line protection, Transformer Protection, Bus Bar Protection relays, Auxiliary relays, etc.
• 380kV Line & 115 KV Line Revenue Energy Meters.
• 380kV Micro SCADA and 115 KV Micro SCADA & RTU and LDC integration for all the vital data from the Protection relays,, Control Relays, Switchgear status & control , other devices control & alarms , Analog Data and integrate to the load dispatch Centre (LDC)
• 380 KV /115 KV , 500 MVA Transformers( 3Nos) testing and oil filtration.
• SS9I - 115 KV GIS ,100 MVA Transformer , 34.5 KV Switch Gear sand 13.8 KV Switch Gear Including , Protection relays ,control ,Revenue metering, Hi Pot Testing of 115 KV cable , 34.5 KV and 13.8 KV cable , Battery &Battery charger System , Fiber Optic cable testing , Diesel Generator and station switchgear testing.