1896 TODAY
LOCKHART POWER / CITY OF COLUMBIA SCCOLUMBIA CANAL HYDRO PLANT |
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NEW SWITCHGEAR, REWIRE, PLC CONTROLS, PROTECTION, HPU GATE CONTROLS, STATIC EXCITATION, AND FOUR DRAGRAKES
Columbia Canal was built in 1896 and was the first AC generating plant in the world to generate and transmit power to a textile mill. It is the second oldest continuously operating AC hydro plant in the world. NFEI contracted to design, fabricate and install all new equipment as shown below.
1896 TODAY |
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OPEN BUS SWITCHGEAR |
ALL MEDIUM VOLTAGE WIRING REPLACED |
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ALL MEDIUM VOLTAGE WIRING REPLACED |
| OPEN BUS SWITCHGEAR
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ALL MEDIUM VOLTAGE WIRING REPLACED |
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OPEN BUS SWITCHGEAR |
ALL MEDIUM VOLTAGE WIRING REPLACED |
 GENERATOR NAMEPLATE |
 ORIGINAL TURBINES |
 OPEN BUS AND 1980'S BREAKER RETROFIT |
 GENERATOR GALLEY BEFORE RENOVATIONS |
1980'S WESTINGHOUSE WDPF CONTROLS |
CONTROL RELAYS |
  1980'S CONTROL BOARD |
TWIN-UNIT PLC CONTROL PANEL LOCATED BETWEEN TWO UNITS REPLACES WDPF CONTROL
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 LOCAL TOUCH SCREEN HMI AND SEL 700 G PROTECTIVE RELAYS |
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AUTOMATION DIRECT DO-MORE PLC PROVIDES FULL AUTOMATION AND PROTECTION PLC CONTROL INCLUDES STATIC EXCITATION VOLTAGE MATCHING AND VAR CONTROL FULL AUTO SYNC FUNCTION |
REAR VIEW OF SEL 700G PROTECTIVE RELAYS |
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FIBER-OPTIC COMMUNICATIONS FROM UNIT TO UNIT AND LOOKOUT HMI |
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32 DIGITAL INPUTS / 16 RELAY OUTPUTS / 8 4-20ma / 0-10VDC ANALOG INPUTS 0-10 ANALOG OUTPUTS |
OVERALL VIEW OF REAR BACK PANEL |
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FIBER-OPTIC COMMUNICATIONS FROM UNIT TO UNIT AND LOOKOUT HMI |
