INTRODUCTION TO DANFOSS TURBOCOR COMPRESSORS · PDF fileINTRODUCTION TO DANFOSS TURBOCOR...
Transcript of INTRODUCTION TO DANFOSS TURBOCOR COMPRESSORS · PDF fileINTRODUCTION TO DANFOSS TURBOCOR...
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INTRODUCTION TO DANFOSS TURBOCOR COMPRESSORS
David WilliamsonSales Manager – Europe & Middle East region
April 14, 2016
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12-4-2016 2
Danfoss Turbocor Compressors
• Agenda– Introduction– The Turbocor portfolio– Chiller design considerations– Typical chiller EER/ESEER– Danfoss Turbocor with HFO refrigerants– Summary– Question and answer session
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Introduction to Danfoss Turbocor
Inverter speed control
Synchronous brushless DC motor
Motor and bearing control
Inlet guide vanes
2-stage centrifugal compressor
Soft-Starter
Pressure/temperature sensors
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Typical compressor maps
30
50
70
90
110
130
150
10 20 30 40 50 60 70
Saturated Suction Temperature SST [F]
Satu
rate
d D
isch
arge
Tem
pera
ture
SD
T [F
]
-1
9
19
29
39
49
59
-12 -7 -2 3 8 13 18
Saturated Suction Temperature SST [C]
Satu
rate
d D
isch
arge
Tem
pera
ture
SD
T [C
]
Turbocor TT300
Turbocor TT350
Turbocor TT400
Turbocor TT500
Turbocor TT300 MT
Air cooled or water cooled
Water cooled
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Refrigeration Capacity (Tons)
Danfoss Turbocor Compressor family
0 200 400 600 800 1000 1200 1400
0 25 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400
TG520 90-15- TR
TG390 70-120 TR
TG310 60-90 TR
TG230 40-70 TR TT700 130-200 TR
TT400 90 150 TR
TT350-70 120TR
TT300-60 90 TR
VTT1200 Up to 350 TR
VTT880 Up to 250 TR
VTT1000 Up to 300 TR
TG Series
Refrigeration Capacity (kw)
Danfoss Turbocor Compressor Portfolio
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Typical screw chiller Typical oil-free chiller
• Simple• Fewer connections• Higher efficiency• Less maintenance• Higher reliability
Oil free reduces complexity
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Heat exchanger technology
• Evaporator– Shell and tube flooded – low
approach temperature. Multiple compressors. Up to 2 circuits.
– Falling film – reduced refrigerant charge
– New technology spray plate exchanger. Very low refrigerant charge. Single compressor application suitable for modular design.
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Heat exchanger technology
• Condenser– Shell and tube (water cooled).
Multi compressors. Single or dual circuit.
– Spray plate (water cooled). Single circuit, single compressor for modular chiller design
– Fin and tube (air cooled)– Micro channel (air cooled)
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Economiser options
• Plate heat exchanger• Open flash tank
– Choice between increasing cooling capacity or increasing efficiency (or mixture of both)
– Most OEMs offer chillers with or without economiser
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0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Chill
er E
ffici
ency
[kW
/Ton
]
Chiller Load [%]
Single Oil Centrifugal VSD
Single Oil Free Centrigufal VSD
Multiple Oil Free Centrifugal VSD
Oil free enables multiple compressor benefit
Multiple oil-free compressors improve energy efficiency at low load operation
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Typical chiller EER and ESEER
• Typical EER for air cooled chillers 3.45 to 3.84• Typical ESEER 5.55 to 5.82• Available with free cooling option• Typical EER for water cooled 5.25 to 5.5• Typical ESEER >8.0
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Danfoss Turbocor with HFO refrigerants
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Danfoss Turbocor with HFO refrigerants
→ Extremely lightweight and compact → Soft startup with low in-rush current→ Available for 380 – 460 Volt applications → Nominal capacity: 230kW, 310 kW,
390kW, and 520 kW→ Fastest restart time in the industry of
less than 30 seconds without the use of an external universal power supply.
→ High efficiency at full load and extraordinarily high efficiency at part load conditions
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Summary
• Industry leading part load efficiency• Low maintenance• Overall life cycle cost savings compared to
other compressor technologies• Options for ultra low GWP refrigerants• Suitable for data centre cooling, commercial
building air conditioning and industrial applications.
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• Questions?