Motor controller of air conditioner

Details Motor controller of air conditioner Motor controller of air conditioner

2008-11-19

2011-12-06

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Armature circuit control

Voltage control

C318S400300, C318S479000, C361S033000

Reexamination Certificate

active

08072170

ABSTRACT:
The present invention relates to a motor controller for air conditioner including a converter having at least one switching element for converter, the converter converting AC utility power into DC power by a switching operation of the switching element; an inverter having at least one switching element for inverter, the inverter converting the DC power into prescribed AC power by a switching operation of the switching element and driving a three-phase motor; a microcomputer outputting a converter switching control signal that controls the switching element for converter; and a dc terminal signal generator detecting a dc terminal voltage that is applied across an dc terminal of the converter to sequentially generate a pulse type dc terminal signal, and insulating the dc terminal from the microcomputer. The present invention may sequentially generate a dc terminal signal and simultaneously insulate the dc terminal from the microcomputer, thus making it possible to improve the stability of the motor controller.

REFERENCES:
patent: 4039914 (1977-08-01), Steigerwald et al.
patent: 4666020 (1987-05-01), Watanabe
patent: 4751397 (1988-06-01), Ide
patent: 5663627 (1997-09-01), Ogawa
patent: 5712540 (1998-01-01), Toda et al.
patent: 6075328 (2000-06-01), Notohara et al.
patent: 6244061 (2001-06-01), Takagi et al.
patent: 6687139 (2004-02-01), Tanikawa et al.
patent: 7791309 (2010-09-01), Hwang et al.

Affiliated with

Also associated with

Rating

Motor controller of air conditioner does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Motor controller of air conditioner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor controller of air conditioner will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4313353