Recent Projects
Ponderosa Substation
La Plata Electric Association, Durango, Colorado 2010
69/12.5kV Substation (built for 115kV future upgrade) including a 10/12.5/14MVA transformer, four breaker ring bus (future), four recloser bays, transmission line interconnections, control building, and protection systems.
Turley to Jemez Interconnect 115kV Transmission Line
Farmington Electric Utility System, Farmington, NM, 2007-2009
Design of 12 miles of 115kV transmission line on wood pole H-frames using PLS-CADD and PLS-POLE. Engineering services included routing and permitting, specifications, material coordination, construction contract, field staking and construction observation.
5 Shaft SCADA System Upgrade
Climax Molybdenum Mine, Leadville, Colorado, 2009-2010
Integration of new pumping stations and motor controls with existing SCADA system, including PLC programming, communications, and commissioning.
Bosque County Power Plant
Laguna Park, Texas, 2009-2010
Complete coordination study and relay settings calculations for a 300MVA Generator, including generator, transformer, and bus protection, as well as breaker failure and integration with 345kV system protection. On-site commissioning and startup support.
Kayenta Substation
Navajo Tribal Utility Authority, Fort Defiance, Arizona 2009-2010
230kV to 69kV Substation including conversion to a 230kV four-breaker ring bus, replacement of three 69kV breakers, protection and control upgrades and a new control building. Coordinated with Western Area Power Administration for transformer and line protection upgrades.
Power Plant Protection Upgrades
Xcel Energy, Denver, Colorado, 2009-2010
Fort St. Vrain Unit 1 and 5kV Systems
Design of complete relay upgrades to the Unit 1 protection system and 5kV switchgear, including generator, transformer, feeder and bus protection. Work included calculating complete relay settings and providing full-time commissioning and startup support on site.
Feasibility Studies, System Impact Studies
Highline Electric Association, Holyoke, Colorado, 2009-Present
Generation interconnection Feasibility Studies and System Impact Studies (SIS) for several proposed wind generation sites. Load flow and dynamic analysis using PSS/E for using WECC and MRO system models. Short circuit analysis using Aspen Oneliner.
Protective Relay Seminars
Fort Collins, Colorado, 2010; Farmington, New Mexico, 2006; Lake Buena Vista, Florida, 2000; Fort Collins, Colorado, 1996;
Three-day protective relaying seminars for client engineers and technicians. The seminars cover relay systems ranging from electromechanical to solid-state to microprocessor. All areas of system protection are addressed, including transmission lines, transformers, generators, motors, capacitors, and feeders.
Western Nebraska Wind Farm Feasibility Study
Generation Energy, Kimball, Nebraska, 2008
Interconnection feasibility study for the addition of wind generation in Nebraska, including: maximum power injection without transmission upgrades; analysis and opinions of costs for upgrades needed for up to 250 MW and 500 MW. Connection analysis included 115kV, 230kV, and 345kV transmission lines and busses.
Bravo Dome CO2 Compression Station
Alliance Engineering, New Mexico, 2007-present
Design of 15kV systems to power two 11,000hp gas compressors added to an existing 50MW plant. Work included switchgear building, coordination with VFD and motor manufacturer, design of duct banks and cable runs, specification of station power transformers, and integration of new protection into existing systems. Study work included full plant loadflow model, short circuit and coordination studies, and arc flash study for equipment labeling and personnel protection.