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Author Archive for: Lark C. Cosedo

Lark C. Cosedo

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A graduate of Bachelor of Science in Electrical Engineering from the University of San Carlos, Cebu, Philippines. Currently working as Electrical Senior Engineer at Oman Water and Wastewater Services Company (OWWSC), Sultanate of Oman. Currently holding a license as a Professional Electrical Engineer (PEE), an Asean Engineer (AER) and an Asean Chartered Professional Engineer (ACPE). I have more than 20 years of experience in the various fields of Electrical Engineering majority from the Middle East Regions comprising of Greenfield Aluminum Plants, Gov’t. Wastewater Services and Electronic Manufacturing Industry. Field of expertise are mostly from the Operation and Maintenance of Power Systems, Commissioning and start-ups, Operation and Maintenance Projects and Procurements. Possesses various Electrical Authorizations, currently as Senior Authorized Electrical Person (SAEP), H3 accreditation ranging from LV systems up to 220kV HV systems and with Accreditation for Safe Operation and Maintenance of HV systems from Faraday Institute, Cyprus.


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The most common Gas-Insulated Switchgear (GIS) faults and a case of 220kV CB cubicle

Over decades since its inception, GIS switchgear demand is still prevalent in these present times due to its compact built, reliability, and maintenance advantages compared to conventional Air-insulated switchgear. Even…...

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Oct 17, 2022 | By Lark C. Cosedo

The most common Gas-Insulated Switchgear (GIS) faults and how to perform investigation

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