Studies: Arc-flash, short circuit, coordination, load-flow, harmonic distortion, power quality, switching transients, motor starting voltage drop and acceleration, power factor correction, line impedance calculations.
Substation design: Substations up to 345 kV, electrical design including complete relaying and protection control design, grounding IEEE Std.80, raceway systems, switchgear, control buildings, relay panels, RTU/SCADA, breakers, CCVTs, metering, capacitor banks, equipment specifications.
Switching station design: Switching stations, 115, 230 and 345 kV, ring-bus, bkr+1/2, double-bus/double-breaker, main-and-transfer, multiple bays, retrofits and breaker additions, new and existing.
Transmission lines: Economic feasibility study for 500 kV, 345 kV and 230 kV; wind generation interconnect, 230 kV, wood H-frame; AC interference and grounding experience, 345 kV.
Special Projects: Harmonic filters for ski lifts, drill rigs, pumping plants, rock crushers, rubber mixers and large sea vessels; high-resistance grounding; excitation systems; 3rd harmonic neutral grounding reactors for parallel generators; wound rotor resistor induction motor starters; closed polygon phase shifting auto-transformers; PLC based control and data acquisition systems; MSHA grounding practices in underground and surface mining applications; capacitor bank controls for multi-step applications; submersible pump variable speed drive power design for water projects; collector systems for wind generation; SCADA and communication systems; harmonic filter specification for 18,000 hp, 50 Hz, cyclo-converter.
Field Engineering, Investigations and Testing: Field engineering, investigations and testing projects, failure analysis and forensic engineering; corona testing and analysis on high voltage synchronous machines; power factor insulation testing on synchronous motors and generators; field startups; power quality; switching transient testing; ground resistance testing; RFI, EMC and EMF testing; audible corona noise measurement on 230 kV transmission lines.
Protective Relaying: Experienced in many areas of power system protection including, phase and ground overcurrent, differential, high-resistance grounding, reclosing, sync-check, transformers, motors, generators, transmission lines, distribution lines. Relay setting experience includes many different types of electro-mechanical, solid-state electronic and numerical relay systems:
SEL- 300G, -311C, -311L, -351, -351S, -387, -387E, -421, -487V, -501, -551, -587, -587Z;
Balser BE1-51, -59, -87, -CDS, -27, -79, -81;
GE/Multilin-4a, -69, -169, -269, -469, -751, -L90;
Westinghouse-CA, -CO, -CR, -HU.