BP19 - VSD for ID and FD fan
| Address: HOA XA INDUSTRIAL PARK, NAM DINH PROVINCE, VIETNAM | |
| Project Summary: A textile and dyeing enterprise in Nam Dinh Province implemented a project of installing variable speed drive (VSD) for boilers’ exhaust fans and blowers. The goal of the project is to reduce energy costs and the emission of greenhouse gases. | |
| Year of implementation: 2019 | |
|
Status before implementation The boiler exhaust fans and blowers operated at a constant speed and both used the air damper to adjust the fan airflow, causing waste of electricity.
Air conduit and exhaust fan system The capacity of the blower and exhaust fan was 7.5 kW and 30 kW respectively. |
Result The factory installed VSDs for boiler exhaust fans and blowers in June 2019. Central control system & VSD The operating frequency of the exhaust fans and blowers is 45 Hz. |
|
Status before implementation The boiler exhaust fans and blowers operated at a constant speed and both used the air damper to adjust the fan airflow, causing waste of electricity.
Air conduit and exhaust fan system The capacity of the blower and exhaust fan was 7.5 kW and 30 kW respectively. |
|
|
Result The factory installed VSDs for boiler exhaust fans and blowers in June 2019. Central control system & VSD The operating frequency of the exhaust fans and blowers is 45 Hz. |
|
| Result of the project: | |
| Total investment costs: | VND 57 million |
| Power saving: | 34,231 kWh/ year |
| Cost savings: | USD 2,440 / year |
| Payback time: | 1 year |
