Rear of A lift’s Otis lift control cabinet, 24 Sep 2011. The large white cylinders are resistors for when gravity exerts power on the motors, which would cause them to operate as a generator. This form of ‘regenerative braking’ meant the electricity had to be discharged so these discharged it as heat.
DSCF5106 |
|
See full size image Caption: Rear of A lift's Otis lift control cabinet, 24 Sep 2011 Description: Rear of A lift's Otis lift control cabinet, 24 Sep 2011. The large white cylinders are resistors for when gravity exerts power on the motors, which would cause them to operate as a generator. This form of 'regenerative braking' meant the electricity had to be discharged so these discharged it as heat. Alt text: Rear of A lift's Otis lift control cabinet, 24 Sep 2011 Image credit: Team Urbex - ATF Photo subject date: 24/09/2011 |