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 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
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Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 3
Venkatesh
Complete product portfolio
For distributors and end users
Vacon NXL 0.75-30 kWVacon NXS 0.75-200 kWVacon NXS standalone 200-560 kWVacon 50X (Vacon X4) 0.75-132 kWVacon 500X (Vacon X5) 0.75-132 kWVacon 100 HVAC 1.1-55 kW
For system integrators
Vacon NXP, air-cooled 0.75-3,250 kWVacon NXP. liquid-cooled 5.5-5,500 kWVacon NXC enclosed 110-3,250 kWVacon Common DC bus products up to 5,300 kW
For original equipment manufacturers
Vacon 10 0.25-5.5 kWVacon NXP 0.75-200 kW
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SPRSfor
DESALINATION PLANT900kW DIESEL ID FAN
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Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 5
Venkatesh
Best Installation practices 900kW DIESEL ID FAN PANEL
Stator- 900kW/6.6kV/102A/594RPMRotor-Rotor voltage-1040VFrequency-50HzCurrent-515A
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Venkatesh
System Configuration
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
Operation speed – 58% ; Range- 50-90%; Energy savings – 120kW ~ 14%
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Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 7
DRIVE SYNCH- TECHNOLOGY
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Venkatesh
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.
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Vacon PlcP.O.Box 25(Runsorintie 7)
FIN - 65381 VAASA+358 (0)201 2121
Handout
7.9.2010 9
HVAC
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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
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Ringframe
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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.
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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
installation
6-24 months6 monthsMains connection tightness
6-24 months6 monthsCooling tunnel cleanliness
6-12 months3 yearsMain cooling fan, capacitor and
electronics cooling fans
3-12 months3 monthsCabinet Filters
Checking intervals
First check after commissioning
Vacon Proactive maintenance actions
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Venkatesh
THANK YOU