Séfar Système Reliable energy
infrastructure
HV/MV substations · Control systems · MV switchboards

Reliable electrical infrastructure

We design, integrate and commission automation, protection and control systems for electrical substations, for available and safe networks.

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About us

Electricity is a continuous service. So are our systems.

Séfar Système is an Algerian systems integrator based in Algiers. We support Sonelgaz, its subsidiaries and industrial companies in the automation, protection and supervision of their electrical installations.

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Single-line diagram of a 60/30 kV substation: two 60 kV HV incomers, two 60/30 kV 40 MVA ONAN/ONAF transformers, two 30 kV 3150 A 31.5 kA busbars connected by a bus coupler circuit breaker, eight feeders
60/30 kV substation with dual supply and busbar coupling. Click to enlarge.

Reliability

Installations designed to current standards, tested in the workshop and then on site before each commissioning.

Expertise

Engineers trained in Schneider Electric technologies and the IEC 61850 standard, from design to maintenance.

Proximity

A team based in Algeria, available on site and for technical support throughout the life of the installation.

Refurbished MV switchgear in a primary substation
Reference

Rehabilitation of a 30 kV / 10 kV primary substation for Sonelgaz Distribution

Refurbishment of the MV equipment, power workshops and remote control, carried out while maintaining continuity of service.

CONTINUITY OF SERVICEMV EQUIPMENTREMOTE CONTROL
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