Features of GREAT Main Machine
GREAT permanent magnet air compressor adopts the most advanced speed regulating motor，rather than the usual common motor+frequency converter mode.so the machine has the following advantages；
The permanent magnet motor has anefficiency of up to 97%，3-4% higher than of common frequency conversion motors，displaying an obvious energy-saving effect；the permanent magnet motor and the compressor main machine adopt anembedded integral bearing direct-connecting structure，without coupling part andtransmission gear，realizing a more compact structure and a 100% transmission efficiency.
As it has no motor bearing.maintenance or service is not needed，and there is no need to apply lubricating grease，thus reducing the use cost of motor.
As it has no motor bearing sleeve or sealing，concem about installation proper alignment is not necessary.
The pemanet magnet motor is only 1/3 a traditional motor in size，so it is easy todismount and assemble.
The whole machine runs with frequency conversion and can run by changing frequency according to the use is actually used air quantity；when the used air quantity reduces，the permanent magnet motor can still maintain eztremely high motorefficiency；in comparison with common frequency conversion motors，the motor shows an obvious adnantage in terms of efficiency and the air compressor displays a remarkable energy-saving effect.
The machine can start with frequency conversion；while running，motor currency will not exceed the full-load currency，at the same time laraely reducing shock to power grid equipment and avoiding damage to electrical equipment.
In comparison with invariable-speed air compressors，the machine can save energy by 22%to30%；compared with common frequency conversion air compressors，the machine can save energy by 5% to 10%；besides，the more air quantity used by the system fluctuates，the better the energy-saving effect is.