Midea two-stage compressing advanced throttling technology magnetic bearing centrifugal chiller 550RT 1934kw air_conditioning_systems

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Magnetic centrifugal chiller compressor is a miniaturized, highly innovative compressor with
magnetic bearing, VFD and permanent magneticsynchronous motor technologies. It realized
oil-free, effective and safe operation. Magnetic bearing guarantees total levitating of the rotor
during operation. No contact between the bearing and rotor, no fricition and structural vibtation.
 
Product Advantages

1.AHRI Certified



2.Two-stage compressing
6%higher ffciencey than sngl-stage compesion.
Lower speed and higher rlibilit.



3.High-speed permanent magnet motor
Motor fficiency exceeds 95%,with the highest efnciency of up to 97%.
High power density and compact size.
The motor is cooled by rfrigerant,high eficiency and long service life.



4.Digital control
The magnetic bearing compressr uses the integral variable frquency drive and soft starter.
VFDHIGV regulation,ciller capacity range can be 10-100%
Lower in-rush current.
Itelligent contol to avoid surge and choke points.



5.Advanced throttling technology
Adopts the thortle method of Flxed orifice+EXV;
Precise liquid level control for the best performance of the condenser and evaporator.
Fast tesponse,avoids hot gas bypass,and yields higher eficincy in part loads.
Energy saving and eliable.



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