Copper Rotor Technology

COPPER ROTOR

General cpmpany examples #1General cpmpany examples #2General cpmpany examples #3
Copper Rotor general clameCopper Rotor general clame
CASTMAN’s Copper Rotor #1CASTMAN’s Copper Rotor #2CASTMAN’s Copper Rotor #3
Castman Copper RotorCastman Copper Rotor
Rotor: efficiency and characteristics
Rotor: efficiency and characteristics

Comparison of motor characteristic

DESCRIPTIONALUMINUM ROTOR MOTORCOPPER ROTOR MOTOR
COMPARISON OF
SAME POWER
(AL->CU)
COPPER ROTOR MOTOR 100
EFFICIENCY (%)Same EfficiencySame Efficiency
TORQUE (N·M)4~560% higher than Aluminum
CONDUCTIVITY (%IACS)63100
MOTOR SIZELargeDownsizing, Lightening
STRENGTHWeak-2.5 times higher than aluminum– Advantage to high speed operation
MOTOR LIFEShortLife extension due to copper loss reduction

Advantages of optimized motor design

DESCRIPTIONALUMINUM ROTOR MOTORCOPPER ROTOR MOTOR
5.5KW
(SAME EFFICIENCY,
OPTIMIZED DESIGN
AL->CU)
Weight (kg)Price ($)Weight (kg)Price ($)
ROTOR/STATOR62.320345.5162
WINDINGS
ROTOR CONDUCTOR
SHAFT/HOUSING ETC.
WEIGHT & PRICE SAVINGSWeight : 16.8kg ( 27% ) advantage / Price : $ 41 ( 20% ) advantage

* CDA(Copper Development Association) AL&CU Economic Analysis (2009)

Test result of castman copper rotor

FR160 /
15KW / 4P
EFFICIENCY
(%)
POWER FACTOR
(%)
INITIAL CURRENT
(A)
INITIAL TORQUE
(%)
REMARK
AL D/C ROTOR93.081.6129.4188Efficiency Standard :
IEC 60034-30-1 (2014)
IE3(AL) -> IE4(CU)
CU D/C ROTOR
(CASTMAN)
94.182.0156.9219
Loss Comparison