paper presents the analysis of harmonic effect
caused by driving system of the brushless DC (BLDC) motor.
The constant ratio of voltage per frequency can result various
voltage and current harmonics depended on the modulation
index or duty cycle. The losses of the BLDC motor result the
rising temperature. The LC filter was designed to meet the
BLDC motor on total harmonic distortion reduction. The BLDC
motor operates with 40 kHz switching frequency, the
experimental of 10 kW BLDC motor was investigated to find out
how harmonic and THD can affect the motor loss. Three liter of
water was circled as water cooling on the motor. The
experimental showed that the operation at higher voltage
introduces lower THD, also lower loss, where the LC filter results
lower motor temperature compared to without LC filter.