Utility Systems

The following listing is intended to give an overview of the variety of utility system related projects accomplished by Quadrelec Engineering. It is by no means comprehensive as it does not contain individual experience in distribution system designs completed over the past 30 years.  The company is currently under a multi-year contract with Southwestern Power Administration for engineering services. For other related utility systems work in generation follow the link to Power System Studies.

Transformer Installation Design Support

Owner:    Southwestern Power Administration, Tulsa, OK
Description:    Installation engineering support for two 70-MVA transformers at Norfork Dam, AR, one 70-MVA transformer at Nixa, MO, and one 70-MVA transformer at New Madrid, MO. Support included engineering drawings for all field wiring and protective relaying for the two transformers, installation of paralleling controls, metering, plus programming the G.E. Harris D20 SCADA RTU.

Load Flow, Short Circuit, and Protective Device Study

Owner:    U.S. Army Corps of Engineers, Tulsa District
Description:    System studies for eight hydropower plants in Oklahoma. Studies formed part of a major rehab documents for uprating the units. Also provided protective device coordination studies for all plants including all station service systems and ancillary structures fed from the powerhouse including spillways, locks, and administrative buildings.

Load Flow and Short Circuit Study

Owner:    Table Rock Powerhouse, Branson, MO
Description:    System study for hydropower plant consisting of four 52.6-MVA slant-axis turbine generators. Study part of a breaker replacement study for the customer, U.S. Army Corps of Engineers, Little Rock, District

Tinker AFB - Replace Meters Base- wide

Owner:    U.S.A.F. 72nd Civil Engineering Group
Description:    Install gas, electric, and water meters with remote data retrieval via dial-up modems. Subcontract with CH Guernsey & Co., Oklahoma City, OK

Upgrade Substation 

Owner:    McAlester AAP, OK
Description:    Replace 69 kV switches with SF6 circuit switcher and associated relaying and remote controls for 15 kV switchgear.

Replace Substation

Owner:    McAlester AAP,OK
Description:    Replace 5 MVA 69 kV substation with new 14 MVA substation and 15 kV vacuum switchgear. Provided design and equipment procurement specifications and technical assistance. Also, provide all factory witness testing for transformers and field startup testing for switchgear and relaying.

Mohawk Water Treatment Plant, Tulsa OK

Owner:    Utilities Division, Tulsa, OK
Description:    O&M Manual for 13.8 kV and 4.16 kV electrical system. Services performed under contract with Gates Engineering Services, Tulsa, OK

Electrical Exterior Design

Owner:    U.S. Army Corps of Engrs., Huntsville
Description:    Teaching contract for a PROSPECT course for electrical engineers. Topics included Grounding, Power System Protection and Coordination, and ANSI C2.
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