English Reason for renovation: Due to excessively high temperatures in the elevator machine rooms at Changsha Yuxi International, a property management company carried out energy-saving and cooling renovations on all 24 elevators in the residential complex to reduce the temperature, save energy, and lower the failure rate. The renovation achieved significant energy-saving results.
Power: 22.1 kW | Speed: 2.5 m/s | Voltage: 380V | Load capacity: 1350 kg | Manufacturer: Otis Elevator (China) Co., Ltd. | Height: 110 m | Quantity: 18 units | Regeneration unit applied: SKS-IF-EV4037
Power: 11.4 kW | Speed: 1.75 m/s | Voltage: 380V | Load capacity: 1000 kg | Manufacturer: Otis Elevator (China) Co., Ltd. | Height: 110 m | Quantity: 6 units | Regeneration unit applied: SKS-IF-EV4018
We measured the energy-saving data for three of the buildings as follows.
| Energy Saving Data of Building 4/5/6 in Changsha Yuxi International-6 Nos Elevator | |||||||||
| No. | Building | Freight Elevator (kW·h) | Passenger Elevator(kW·h) | ||||||
| Master Meter | Sub meter | Electricity | Save Rate | Master Meter | Sub meter | Electricity | Save Rate | ||
| 1 | Blog 4 | 726 | 212 | 514 | 29% | 2214 | 1511 | 703 | 68% |
| 2 | Blog 5 | 937 | 328 | 609 | 35% | 897 | 376 | 521 | 42% |
| 3 | Blog 6 | 987 | 373 | 614 | 38% | 1009 | 323 | 686 | 32% |
| Total | 2650 | 913 | 1737 | 4120 | 2210 | 1910 | |||
SIKES Editor 
