9/7/2010 1 Vacon Plc P.O.Box 25(Runsorintie 7) FIN - 65381 VAASA +358 (0)201 2121 Handout 7.9.2010 1 BEST INSTALLATION & MAINTENANCE PRACTICES FOR DRIVES FOR ENERGY SAVING 7.9.2010 2 Venkatesh Driven by drives Vacon is a leading supplier of variable-speed AC drives. Established in 1993 in Vaasa, Finland R&D and production units in Finland, China, United States and Italy
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9/7/2010
1
Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 1
BEST INSTALLATION & MAINTENANCE PRACTICESFOR DRIVES FOR ENERGY SAVING
7.9.2010 2
Venkatesh
Driven by drives
Vacon is a leading supplier of variable-speed AC drives.Established in 1993 in Vaasa, FinlandR&D and production units in Finland, China, United States and Italy
Synchronization of rotor and inverter.Rotor Power factor control:A PI controller is implemented in Inverter application software to ensure the Rotor power factor close to unity
Best Installation practices FORCED DRAFT (FD) FAN APPLICATION
Application : FD FanMotor Rating: 675kW, 415 VEnergy savings 48.8% VFD replaces damper control technology in Fan application to achieve the energy conservation.Close loop integration of process feedback with VFD provides precise energy utilization. Drive synch concept is also envisaged to increase the availability of VFD system there by ensuring the energy conservation at all times.
9/7/2010
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Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 9
HVAC
7.9.2010 10
Venkatesh
Best Installation practices HVAC- Secondary chilled water pump system
VFD replaces throttle valve operation to maintain the constant flow rate.on the header irrespective of length of pipe line.Energy saving 20-25%
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Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 11
Ringframe
7.9.2010 12
Venkatesh
Best Installation practices Ringframe Machine-Textile industries
VFD replaces conventional mechanical speed variator thereby ensuring variable speed demanded with respect to process demand.Built in Speed Vs Time and Speed Vs Length Ring frame pattern available up to 16 steps so clutch system has been eliminated.
9/7/2010
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Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 13
Venkatesh
Best Maintenance practices
6-24 months6 monthsEnvironmental conditions of the