Cancelled: Department seminar: Advances in High Voltage Substation Design March 12th 12:00-1:00pm


Alireza Moghtader

WSP Canada Inc.

Advances in High Voltage Substation Design

Date: Thursday March 12th 12:00-1:00pm

Location: LAS 3033

Light refreshments will be provided.


Transmission and distribution assets are key components for the electrical network and grid. Proper and optimum design of T&D system including substations and connection lines is essential for appropriate operation and maintenance of the electrical grid. This seminar is an introductory section which emphasizes more on practical design aspects of high voltage substation rather than theoretical portions. This seminar will provide overall view about subsystems at high voltage substations including but not limited to major HV equipment, low voltage auxiliary system (AC / DC), protection and control system (P&C), medium voltage equipment / switchgear, grounding system and lightning system. Different and popular Single Line Diagram (SLD) and plan view (arrangement) of HV substation, important design criteria, associated standards and software will be presented. Few specific topics which are points of discussion on HV substation design these days such as IEC 61850 and digital substation, arc-resistance switchgear and mitigation, SF6 free switches, new transfer trip system, new approach for DER inverters which support utilities pre-defined requirement will be shared with audiences.


Mr. Alireza Moghtader is electrical engineer with long experiences at engineering and project management of Transmission and distribution projects. He currently leads the engineering team of the Toronto-based Power team at WSP Canada. He has over 25 years of experience providing engineering services to public and private sector clients, primarily in the area of transmission & distribution and generation stations design, nationally and internationally.

Mr. Moghtader is a proven technical expert in power projects design and analysis. He has led design teams to provide engineering services for brownfield and new-build substation and generation projects for Canadian utilities, including Hydro One , Toronto Hydro and OPG. He has trained staff in the areas of protection and control, electrical arrangement, power system analysis, and technical procurement support, ensuring that resources can be applied to a project in a way that is commercially attractive to clients without compromising the technical quality of the organization’s engineering deliverables.

Mr. Moghtader has HV substation training experiences in different academic and training centers.


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