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Edmonton Power History Foundation Blog

Tag: Direct Current systems
Results: 1 to 8 of 8

Thomson Houston 1880's Dynamo Generator

An 1880's Thomson Dynamo runs again to celebrate 125 years of electric lights in Edmonton.



  View the Video on you Tube The Edmonton Power Historical Foundation is excited to have this Thomson Houston dynamo running again in time to commemorate the 125th anniversary of electric lights in Edmonton. The first generator to provide electric ...

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Categories: Generators Collection

Synchronous Converter

Circa mid-1920s



The Synchronous Converter was typically used to provide Direct Current (DC) for electrolysis in smelting, for traction motors in mine lifts and for street railway systems. The unit pictured had an Alternating Current (AC) input of 834 amps and a DC current ...

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Categories: Rectifiers Collection

Direct Current Circuit Breaker

this Breaker was utilized in the operation of Edmonton's trolley Buses



  Bertran Thomas Engineers Manchester England Manufacturer Bertram Thomas Type H.S.E. Volts 575 AMPS 1600  

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Solid State Rectifier Reliance

Circa 1985



Used to Convert Alternating Current to Direct Current From the Edmonton 360 Sub 104 St. x 104 Ave. Supplied DC power for the operation of Edmonton's trolley Buses

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Categories: Rectifiers Collection

Solid State Rectifier GE

Circa 1964



Used to Convert Alternating Current to Direct Current From the Edmonton Transit system Supplied DC power for the operation of Edmonton's trolley Buses. Came from Man and His World  Montreal Expo 67 Installed in 1978-9 at the Westwood bus barn ...

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Categories: Rectifiers Collection

Mercury Arc Rectifiers



Check out a video of a Mercury Arc Rectifier in operation. go to LINKS and click You Tube Our Photo Gallery has a new section on DC related items       

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Categories: Rectifiers Collection

Direct Current Rectifier Panel

Circa 1936 this Panel was utilized in the operation of Edmonton's trolley Buses




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Slate Electrical Panel

1902 - 1930



The panel pictured on the left is from one of the Direct Current (DC) motor generators installed at Rossdale Power Plant before 1915. In the 1960s it was used to control DC power from a motor generator set, which was a back up for the generator exciters ...

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Categories: Rectifiers Collection

Edmonton Power Historical Foundation

Hours of operation 2020

Unfortunately, due to the novel corona virus global pandemic, the EPHF museum will remain closed this summer and fall.  

Depending on the status of covid-19, The Leduc Country Lights may be back November 28 to Dec 31, 2020, however the EPHF museum will be closed during this event.

We are located on the grounds of the Leduc West Antique Museum. Travel 5 miles west of Leduc on Highway 39. Go north on Range Road 260 (Cohne Dale Road) for about a mile and the museum will be on your right.

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