Sunday, October 29, 2017

Elevator modernization - Utilizing higher voltage

Once in a while we see a building upgrade their power from 208/230 to 480 and they install a transformer in the elevator room to knock the power down.  During a modernization is the perfect time to order 480vac equipment and get rid of the transformer.

Benefits of higher voltage – The benefit is that is uses lower amperage, what you pay for on your power bill is the amperage usage.  You can use smaller more efficient motors and smaller motor starters.  See the table below

Voltage
HP
Amperage
230
30
76
480
30
38

In our case the building went to 480vac during a reconstruction project and left the elevator to be modernized at a later date.





We will be modernizing the elevator with 480VAC equipment and this will allow us to remove the transformer, put the hydraulic unit on the back wall and have lots of space for our elevator controller and power freight controller which currently are stacked on top of each other making it interesting to work on.  

[get your ladder or stool to work on the freight controller or perhaps it is that i'm short I cannot reach it]

The key here is communication and planning with the building owner.  We have a great building owner who is working with us through this project. 

Also - Chicago Elevator Association meeting this Thursday, November 2nd at The Clubhouse - Oak Brook, IL 6:30pm.  

As always feel free to contact us at www.colleyelevator.com, email Craigz@colleyelevator.com or call 630-766-7230.

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