Recent Project Experience:

Highway 141 and Batesville 25kV Substation - Sawnee Electric Membership Corporation, Cumming, GA.

Each of these stations are 115 - 25kV with two transformers rated 25/33.3/41.7 MVA, and two 25kV switching structures with four circuits each. The EMC hired Power Consulting Engineers to design the two, 2000A switching structures for eight circuits with 1200A breakers and circuit regulation. PCE was responsible for complete project management from preparation of plans and specifications, through the RUS approval and bidding process then construction scheduling, final inspection, and contract close-out.

 

Pilgrim, Harvard and Camp County stations, Upshur Rural Electric Cooperative Corp., Gilmer, TX.

PCE was hired to design the relay panels and system protection for these two distribution stations and one transmission switching station. PCE completed all specifications and drawings, bid the projects, handled bid evaluation and preparation of contract documents.

 

Socastee 115 - 24.94/12.47kV Substation, Horry E.C.I., Conway, SC

Power Consulting Engineers is responsible for designing this new 28MVA relayed substation, preparing complete drawings and specifications, soliciting RUS approval, obtaining bids, handling bid evaluation and preparation of contract documents, project management and construction inspection, and preparation of RUS close-out documents and final drawings.

 

Slappey Drive 115kV Transmission Line Panel installation - Georgia Power Company, Atlanta, GA.

Georgia Power Company hired Power Consulting Engineers to perform control-engineering work for their Slappey Drive line- panel replacement project. PCE was responsible for removing the existing control panels with zone-distance protection and carrier relaying and utilizing modern GPC standard line panels with microprocessor relays to replace the removed panels. This project required substantial modifications to the majority of the 115kV station drawings, including wiring additions in each of the 115kV power circuit breakers. Also included was modification of an existing 115kV capacitor control panel. We performed control engineering to remove the old control equipment and replace it with a new Koyo DL-105 PLC. PCE was responsible for utilizing Georgia Power Company's proprietary TEAMS, AMPS, and DMS computer programs for managing the job and ordering the necessary equipment and materials. We worked closely with GPC personnel to maintain all of their standard methods and procedures from equipment selections to wire naming methods.

 

Relay testing and calibration in 16 energized substations - Palmetto Electric Cooperative, Inc., Hilton Head, SC.

PCE was hired to evaluate all substation relay setting, make recommendations for modifications, standardizing were applicable and then testing and/or calibrating all relays on 23 panels while the stations remained energized.

 

Relay testing and calibration in 23 energized substations - Santee Electric Cooperative, Inc., Kingstree, SC.

PCE was hired to evaluate all substation relay setting, make recommendations for modifications, standardizing were applicable and then testing and/or calibrating all relays on 23 panels while the stations remained energized.

 

Cauthens 69 - 24.94/12.47 kV Substation, Lynches River Electric Cooperative, Inc., Pageland, SC.

Power Consulting Engineers was responsible for designing this new 22.4MVA relayed substation with six feeder regulated underground circuits, preparing complete drawings and specifications, soliciting RUS approval, obtaining bids, handling bid evaluation and preparation of contract documents, project management and construction inspection, and preparation of RUS close-out documents and final drawings. The station was designed for a second transformer to be energized at 69 - 24.94kV. The low-side bus was designed with multiple separation points between the 12.47kV transformer and the 24.94kV transformer to facilitate a progressive system upgrade to 24.94kV. PCE personnel calibrated all relays, performed functional testing of the protective systems and placed the station in service in August 2000.

 

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