Craig Polchinski Email & Phone Number

Pittsburgh, Pennsylvania, United States

Responsible for performing and leading Electromagnetic Transient (EMT) analyses related to root cause analysis, feasibility, equipment pre-specification, compliance, or design verification. Specific types of engineering studies include:­-Insulation coordination studies to determine/validate mitigation devices and ensure equipment is adequately rated for lightning, switching, Temporary Overvoltages (TOV), and associated transient stresses caused by transmission line/cable switching, transformer energizing, shunt reactor/shunt capacitor bank switching, lightning surge analysis, Very Fast Transient Overvoltage (VFTO) analysis, and more.- Fault initiation and clearing studies to determine if circuit breakers are adequately rated for Transient Recovery Voltages (TRV) and their associated stresses.- Short-circuit analysis and circuit breaker rating studies.- Harmonic impedance studies.- Analytical/application engineering support for MEPPI equipment field concerns/issues, including products such as: - SF6 and vacuum circuit breakers - Gas-Insulated Substation (GIS) EquipmentResponsible for performing grounding analyses related to design verification for Gas-Insulated Substation (GIS) installations. Specific types of engineering studies include:­- Step, touch, and metal-to-metal touch voltage analysis of the GIS equipment and substation ground grid.- GIS grounding and bonding temperature rise analysis during rated current and voltage operating conditions.- Analytical/application engineering support for MEPPI equipment field concerns/issues for MEPPI’s Substation Division (SSD) Gas-Insulated Substation (GIS) team.Power system studies software experience including EMTP, PSCAD, ATP, CDEGS, SESCAD, ASPEN, CAPE, PSLF, and MATLAB.

Warrendale, Pennsylvania, United States

Warrendale, Pennsylvania, United States