Apparatus and method for controlling operation of...

Details Apparatus and method for controlling operation of... Apparatus and method for controlling operation of...

2004-09-21

2008-11-25

Ip, Paul (Department: 2837)

Electricity: motive power systems

Reciprocating or oscillating motor

C318S127000, C318S135000, C318S632000, C417S042000, C417S044100, C417S417000

Reexamination Certificate

active

07456592

ABSTRACT:
An apparatus and method for controlling operations of a reciprocating compressor are disclosed. The apparatus includes a compressor control factor detecting unit for detecting a compressor control factor to detect a stroke value corresponding to a point where TDC (Top Dead Center)≈0 on the basis of a stroke estimate value of a reciprocating compressor and values of a current and a voltage applied to a motor of the reciprocating compressor; a stroke reference value determining unit for determining a stroke reference value on the basis of the detected compressor control factor; and a controller for varying a voltage applied to the reciprocating compressor according to the determined stroke reference value.

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