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Features 5CSL0-06B
4.2 Technologies
Inverter Technology
With the advancement of inverter technology comes more silent, economical and powerful air conditioning
systems.
Step-up Inverter by the PFC & the Sine Wave Control Technology (PFC :Power Factor Correction)
The LG air conditioner is manufactured using the PFC and the sine wave technology. By the PFC contorl, raising the operating
voltage from the existing DC 280V to DC 380V can be done. Thereby, it makes the operation smooth in a high-frequency
area. The sine wave control enables soft operation in a low frequency area, thereby expanding the product's operating
range. This also markedly improves the product's energy efficiency.
• Sine wave Control in BLDC Compressor
Loss Full range
Rectangle wave
• PFC Control in Power Input
V
DC280V
I
Partial switching
Powerful BLDC Compressor
Sine wave
The LG inverter air conditioner comes with a BLDC compressor
that uses a strong neodymium magnet. Its compressor
thus has improved efficiency compared with AC inverter.
Notably, during partial-load operation (30-45 Hz), the efficiency
of the compressor motor of the LG inverter air conditioner
increases, as opposed to the existing AC motors, and
the subcooling effects of the bigger condensor will further
increase the product's energy consumption efficiency.
V
DC 380V
(Boost up)
Full range Sine wave switching
I
110Hz
90Hz
BLDC Fan motor
BLDC fan motor offers additional energy saving in operating
mode. Compared with AC motors, BLDC fan motor can cut
energy by 35%at full velocity. AC motor is operating at full
velocity only, but BLDC Motor can change velocity according
to load. Energy efficiency levels at low velocities in particular
have been improved by 65%.
65%
Energy
Saving
35%
Portial Load Full Load
18 General information
Motor Input
Rectangle
wave
Load
Sine
wave
AC Fan Motor
DC Fan Motor