Services of Electrical Infrastructures - ICM


Construction and refurbishment of Substations

Sisint is equipped with both human and material resources for the realization of work contracts for the extension and refurbishment of substations up to 400 kV


Maintenance of electrical equipment up to 400 kV

Sisint has specialized teams in performing maintenance work on high voltage switchgear up to 400 kV. In this scope of activity, Sisint works with REN (Portuguese Electric Power Network) in a multi annual maintenance program for Energy transport Substations


Special technical facilities

In order to diversify its operational area, Sisint created an area devoted of Low and Medium Voltage Electrical Installation including AVAC. This new initiative aims to provide our customers with a further expanded set of solutions and services. This department falls under the company policy of being constituted by specialized technical staff with extensive experience in market and high know-how.


Preservation and Maintenance

Being one of the concerns of each client after the acquisition of a good or service, Sisint has developed competencies for the provision of preventive maintenance and maintenance services and corrective actions. The execution of an inspection plan with the preparation of technical reports are critical points that Sisint considers as obligatory to execute. These services are implemented both in the projects that were developed by the company previously and in the level of new competitions and opportunities detected. We provide comprehensive services such as:

• Electromechanical maintenance of the main and manufacturers (Efacec, Siemens, ABB, Arteche, Areva, Alstom, Rurtal, Trench, ASEA, Nokia, etc.) and AT equipment in Electrical Substations, Photovoltaic Parks, Wind Farms.

• Maintenance of the Control and Protection Systems of the main manufacturers in the market (Siemens, ABB, GE / Alstom, Schneider, Efacec, SEL (Schweitzer Engineering Laboratories), Ingeteam, ZIV, etc.)

• General Electrical Maintenance in buildings (Low and Medium Voltage electrical installations, telecommunications systems, security systems, intrusion detection systems and access control, etc.)

• Maintenance of audiovisual systems, automation and technical management of buildings in Hospitals, Shopping Centers, Sports Complexes, Hotels, etc.).

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