Gasisolierte Hochspannungsschaltanlage Jellah (220 kV)

Land: Libyen

Endkunde: Siemens SAS

Zeitraum: 2017-2018

Leistungsumfang: Energization of 220 kV Jellah GIS Substation

• Full and thoroughly cleaning of the GIS and whole substation
• Exchanging 12 non functional density monitors
• Installation and commissioning of the 110VDC and 48VDC batteries
• Commissioning of the DC switchgear
• SF6 gas quality measurements of the all GIS compartments
• Energization of the secondary equipment and checking its basic functionality
• Primary injection of the currents
• Testing all signals from the primary equipment to the BCUs and control system
• Testing of the interlocking for the 220kV switchgear
• Finalizing the wiring of the MDF panels
• Stability test of the busbar protection. Can be done along with a step 5
• Testing of the oil in the power transformers and preliminary test of them before energization.
• Starting up of the control system and checking its functionality
• Commissioning and starting up the telecommunication