beeindia.gov.in · 2017-09-08 · ' 7 $ " "> 0 d0e # $ - a # 7 " 5 " 34 = >. /0 3./0g # $ d ' $ # ! 6 f g * . /0 # 6 # ! $ " ! $ " 6 6

Daikin Air conditioning India Pvt Ltd

Sanjay Goyal Daikin Airconditioning India Pvt. Limited

“Presentation On Inverter Technology”24th June 2014, New Delhi


Daikin WorldwideDaikin Industries, Ltd is one of leading air conditioner manufactures. Our product range is from residential to commercial air conditioners.Daikin has over 56,000 employees at 210 group companies around the world.Daikin Air-Conditioning India was established in 2000.

Chemicals8%

Other3%

Sales per business unit FY13

Air conditioners, heat pumps, refrigeration

89%

Daikin Industries Ltd.

• Turnover: 17,831 million USD• No. of employees: 56,240• Start of business: 1924

(FY2013 Consolidated)Daikin Group Worldwide

11,440

10,599

16,857

10,739

6,605

Total manpower : 56,240

51

5733

40

29


Integrated Manufacturer

Air-conditionerAir-conditioner

RefrigeranRefrigerant

DAIKIN is the only one company in the world which produces air-conditioner, compressor and

refrigerant

CompressorCompressor


Technologies for Energy Technologies for Energy ConservationConservation

Inverter Technology Energy Efficient Refrigerant


JapanInverter share: 100% Oceania

Inverter share: 85% ChinaInverter share: 50% India

Inverter share: 5%

Global Inverter Penetration RatioGlobal Inverter Penetration Ratio

Based on Daikin’s internal estimate


Sales Breakdown by Category –India 2013Sales Breakdown by Category –India 2013

Indian RAC Market approx: 3.5Mn units,Currently Inverter AC Share is only 5%

2 & 3-Star products account for 62% ratio


Inverter TechnologyInverter Technology Technology Components Benefits Savings


An Air Conditioner bearing inverter tag uses a variable-frequency drive to control the speed of the motor and thus the compressor. It consumes at least 30% less (it can go to 50% or more) electricity depending on various factors like the outside temperature ,purpose for which the AC is used, Hence it uses less amount of electricity.

Inverter is a device which supplies variable frequency of power supply on equipments.

Thanks to this function , motor revolution speed can be controlled and it leads to reduce energy consumption.

Inverter Technology : BasicInverter Technology : Basic


How It works….!How It works….!Inverter power control Non-inverter type

air-conditioner


Non-inverter vs. inverter

Power consumption

Each restart means starting over from scratch, so consumes extra power.Power consumption

The inverter system eliminates waste caused by frequent restarting.

Average power consumption is low.

Average power consumption

Average power consumption

Non-inverter

Inverter


Soft Start• Soft starter is making electrical installation work much simpler. • At startup, Inverter raises frequency smoothly.• “Eliminating the starting current spike”.

Soft Start• Soft starter is making electrical installation work much simpler. • At startup, Inverter raises frequency smoothly.• “Eliminating the starting current spike”.

Benefits : Soft StartBenefits : Soft Start


Swing compressor• Smoothly swinging piston reduces refrigerant gas leakage and

minimizes loss of energy due to friction.

Rotary Swing Swin

gR

otar

ySwing fish

Piston

Suction

Discharge

SuctionBlade

Roller

Discharge


High-efficiency compressor motor Principles of AC motor and DC motor

Type AC motor DC motorConventional Reluctance

Outline

To rotate motor, electric current must also run through internal coil.

Large power consumption

Ferrite magnet is placed on surface to rotate motor

No internal coil or electric current, so efficiency is higher than AC. But low rotation force because iron inside is not working.

Neodymium magnet is buried inside, whose magnetism causes internal iron to have rotating force. High rotating force with low power

High efficiency

Internal structure

Motorcoil

Ｓ

Coil

Ｎ

Ｓ

ＮＮ

Ｓ

Ｓ

Ｎ

鉄

Motor coil

Ferrite magnet(100% power)

Motor coil

Ｓ

Ｎ

Iron Iron

Iron

Iron

Iron(30% power)

Neodymium magnet

(70% power)

End ring

Bar

End ring


High-efficiency compressor motor

• The strongest Neodymium magnet is adopted.

Ferrite magnet Neodymium magnet


Quick Cooling • Inverter air conditioner take “less time to cool the room”. • At startup, full power is used to achieve the set temperature quickly.

Quick Cooling • Inverter air conditioner take “less time to cool the room”. • At startup, full power is used to achieve the set temperature quickly.

Precise Temperature Control • Reduces “temperature fluctuations”

• Gives greater comfort

Precise Temperature Control • Reduces “temperature fluctuations”

• Gives greater comfort

Benefits : Quick Cooling and Temperature ControlBenefits : Quick Cooling and Temperature Control


Inverter : Long Term BenefitsInverter : Long Term Benefits

It translates to approx. 1516 additional units of electricity every Year.

Potential Electricity Savings : Non inverter Technology Products to Inverter Technology

Model AC (TON) Power input (KW)

OperationEnergy

Consumption (KWH - Unit)

Energy Consumption (KWH - Unit)

Hours Day Month Unit Unit

2-Star1.5

1.71 8.0 30.0 8.0 3,283.2 3,283.2

Inv 1.32 8.0 30.0 8.0 2,524.8 1,767.4


National Energy SavingNational Energy Savingo The estimated total sales of AC for 2013-2014 is to a tune of 3.5

million.o This figure , according to estimates will rise to 7.4 million by the

year 2018 given the current growth rate.o Presuming, all the ACs are of inverter type only, the total saving of

power would be 74,00,000 X 1516KWH = 11 TWh/Year

o One 500Mw coal fired power plant at 100 PLF produces 4.38TWh/Year ( 500 X1000 X 1000 X 365 X 24)

o In other words the savings of power translates to total production of electricity equivalent to 3 power plants of 500MW each -- that the economy can do away with. Consider the saving of forests, mineral wealth etc.

The enormous potential of energy saving is available as more and more inverter technology is adopted.


Inverter with Energy Efficient Refrigerant

Daikin Air conditioning India Pvt Ltd 19

Candidates for the next generation working fluids

HCFC R22

R410A

R32HFC

R717(NH3)

R290（Propane）

Non

-HFC

R744（CO2）

Refrigerants

R407C

R1234yf

Properties

Pcond(MPa)

Vol. Cool.Capacity(vs R22)

ODP GWP(IPCC4th）

1.73 100 1000.05 1810

2.72 141 920 20902.80 160 970 675

1.78 116 1060 0

1.53 83 980 <310 243 410 1

1.86 102 990 1770

1.16 57 900 4

HFO-Mix ？？？0 ？

TheoreticalCOP

(vs R22)

Refrigerant Candidates for stationary A/C

Flamm-ability

Toxi-city

Non Low

Non Low

Non Low

Low LowLow Low

Low HighHigh Low

Non Low

Low Low


300

700

1100

1500

1900

2300

2700

3100

3500

200 300 400 500 600Enthalpy kJ/kg

Pres

sure

kPa

R32R410AR22

P-h Chart (R22/R410A/R32)

Comparison of cycles of refrigerants

Refrigerating effect of R32 increases 1.6 times to R22 or R410A　


R32 can Reduce Direct Impact

R32 can reduce CO2 eq. emissions by 75%

1810

675

0

500

1000

1500

2000

2500

R

22R

410A

R

32

1810

4720

500

1000

1500

2000

2500

R

22R

410A

R

32

GWP Charge ratio % Modified GWP

GWP values are based on IPCC4th report.GWP values are based on IPCC4th report.

2027

2090

R 32 has the benefits of favorable GWP and reduced charge size


• R32 is 10% more energy efficient than conventional refrigerant at the same volume.

• Potential of Refrigeration capacity :1.6 times of R410A • Lower pressure loss, when capacity is same, leads to

thinner piping diameter.• GWP of R32 is 675, which is 1/3 of that of conventional

refrigerants such as R410A and R22. Also, it can reduce charge volume by about 30% when optimized. All together it can reduce GWP by 75% in total.

Energy Efficient RefrigerantEnergy Efficient Refrigerant


■Outline:Outline:Daikin also conducted tests at 8 places, 4 in Mumbai and 4 in Chennai, to compare the actual operational performance of R22 non-inverter and R32 inverter units.Equipment details:Cooling Capacity: 5.2 kW, EER: 3.00, Refrigerant Volume R22 0.9Kg, R32 0.75Kg

■ResultResultOn average, the R32 inverter units achieved a 30% increase in energy efficiency while refrigerant charge volume is reduced by about 20% compared to R22 non-inverter units.

Actual Performance Test on EquipmentActual Performance Test on Equipment


Potential Reductions in CO2 EmissionsPotential Reductions in CO2 EmissionsIt is possible to reduce CO2 emissions significantly, thanks to the high energy efficiency achieved by inverter technology and the energy –efficient R32 refrigerant.

■■Assumption:Assumption:The sales of R32 inverter air conditioners becomes 70% of total sales if R32 inverter equipment increases by 10% every year.

■■Potential CO2 Reduction:Potential CO2 Reduction:Emissions reductions in 2020 could be potentially total around 17 million tCO2.Cumulative reductions between 2014 and 2020 are estimated at 47, million tCO2.


Conclusion• The potential of reduction of electricity consumption by

air conditioners is high. Inverter and R32 are the technologies to increase energy efficiency of equipment.

• Inverter technology can increase energy efficiency by 30% compared to non-inverter.

• R32 is 10% more energy efficient than conventional refrigerant at the same volume. GWP of R32 is 675, which is 1/3 of conventional ones.

• When inverter and R32 refrigerant are applied to high-end model, potential increase of energy efficiency will be significant.

25


Thank you!!

Documents

beeindia.gov.in · 2017-09-08 · ' 7 $ " "> 0 d0e # $ - a # 7 " 5 " 34 = >. /0 3./0g # $ d ' $ # ! 6 f g * . /0 # 6 # ! $ " ! $ " 6 6