Fully gas insulated compact Ring Main Unit (GA):
• In the GA Ring Main Unit the primary switchgear and busbar are installed in a common gas tank.
• In the GA Ring Main Unit the primary switchgear and busbar are installed in a common gas tank.
• The GA Ring Main Unit is designed with two cable panels and one transformer panel as standard.
• Connection to the distribution network is accomplished via load-break switches in the cable panels.
• Connection to the consumer is accomplished via the transformer panel to the main transformer.
• The GA Ring Main Unit has 2 to 4 panels and can be delivered in one of the following panel combinations.
Panel Structure:
The SF6 panels have four system elementsElectrical switching compartment
Drives mechanisms
Fuse compartment
Cable connection compartment
Approval:
Fully Gas Insulated (GIS) Ring Main Unit passed all necessary tests carried out in The Egyptian Electricity Authority Pyramids High Voltage Research Center and approved from The Egyptian Electricity Holding Company.
Standards:
The SF6 Ring Main Unit is designed, manufactured and tested in conformity to the latest standards :
IEC 60265-1
IEC 62271-1
IEC 60282-1
