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

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Vacon PlcP.O.Box 25(Runsorintie 7)

FIN - 65381 VAASA+358 (0)201 2121

Handout

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Venkatesh