High Efficiency Hermetic Compressor Operated by IPM Motor and Inv
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Transcript of High Efficiency Hermetic Compressor Operated by IPM Motor and Inv
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Purdue University
Purdue e-Pubs
International Compressor Engineering Conference School of Mechanical Engineering
1998
High Efciency Hermetic Compressor Operatedby IPM Motor and Inverter System
M. IgataDaikin Industries
H. KitauraDaikin Industries
Y. OgawaDaikin Industries
K. NawatedaniDaikin Industries
S. MatsunoDaikin Industries
See next page for additional authors
Follow this and additional works at: hp://docs.lib.purdue.edu/icec
Tis document has been made available through Purdue e-Pubs, a ser vice of the Purdue University Libraries. Please contact [email protected] for
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Complete proceedings may be acquired in print and on CD-ROM directly from the Ray W. Herrick Laboratories at hps://engineering.purdue.edu/
Herrick/Events/orderlit.html
Igata, M.; Kitaura, H.; Ogawa, Y.; Nawatedani, K.; Matsuno, S.; and Yamagiwa, A., "High Eciency Hermetic Compressor Operated byIPM Motor and Inverter System" (1998).International Compressor Engineering Conference. Paper 1270.hp://docs.lib.purdue.edu/icec/1270
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Authors
M. Igata, H. Kitaura, Y. Ogawa, K. Nawatedani, S. Matsuno, and A. Yamagiwa
Tis article is available at Purdue e-Pubs: hp://docs.lib.purdue.edu/icec/1270
http://docs.lib.purdue.edu/icec/1270?utm_source=docs.lib.purdue.edu%2Ficec%2F1270&utm_medium=PDF&utm_campaign=PDFCoverPageshttp://docs.lib.purdue.edu/icec/1270?utm_source=docs.lib.purdue.edu%2Ficec%2F1270&utm_medium=PDF&utm_campaign=PDFCoverPages -
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Fer rite Magnet Rare arth Magneta) Induction M otor b) SPM M otor c) IPM Motor
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r-- 1~- -o;E201-
10
0
Fig.l Rotor Configuration
a)d -ax is equiv alent circuit b) q-ax is equivale nt circ uitVd Vq: d -q axis MotorVoltage Ra: WindingResistanceofea ch phaseid iq :d-q axisMotor Current Rc:Equivalent Ferro LossResistanceLdLq :d -qaxis Induc tance Pn:PolePair
:angular velocity 1 J a :M agneticFlux-Linkage Fig 2. Equ iv alent Circuitsof PMMotor
Table L Electrical moto rparameters
C urrent Phase [deg ] 90
Maximum speedMaximumtorqueMagn et flux-l inkaged-axisin duct anc eq-ax isind uct anc ewinding registancefor aphas epole-pai r
7,200 r/min)4 .5 N m )0.157 W b)10 .7 m H)27.6mH)O .S l ohm )2
Fig3. Torque-Phase charac teristic fo r IPM
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b) photo of rotor
Induc t ion Motor
0[r/min]
Fig6.Eff ic ient comparison o eachMotor
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6
4
3
z L ~ ~ ~1800 ~ r / m i na) 3/4HP Swing Com pressor
Fig5. Inverter OutputVoltageandCurrent W aveforms
Spring Swing Bushes
Rotary Com pressor wing Com pressorFigS. Structures o Compressor
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M otor
2 . ~ ~ ~ ~ ~ ~1800 3600 5 4 0 ~ r / m i n ]b) 5HP Scroll Com pressor
Fig7. E fficiency of C o m p r essors
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