TriEl Ltd.

Privately held company with main activities “Engineering, Contracting and Consulting” in the field of Electrical Power Supply Projects. The company offers complete design of electrical substations with the main equipment of almost all famous European producers of high voltage and medium voltage equipment used in such projects. We offer also complete design of electric power supply for industrial customers. Working languages are English, Bulgarian, Russian, but translation on other European languages is possible too. The company undertakes complete electrical installation services, commissioning and start up of any kind of Power Supply Projects. Commissioning services as General plant commissioning or commissioning of individual systems, including preparation of commissioning time schedules, preparation of testing procedures, test sheet forms and functional check lists, testing of primary and secondary equipment, functional tests, plant energizing and on-load tests. Relay Protection Testing Testing of numerical relay protections from ABB, Siemens, AREVA/Alstom/Schneider Electric, VAMP, SEL, including elaborating of relay configuration with corresponding software. Testing of electromechanical relays from various European manufacturers as Asea, BBC, EAW, ZPA and USSR-made ones. Supply and engineering of SCADA system based on Sprecher Automation platform.