Current controlling apparatus and method for air conditioning ap

Details Current controlling apparatus and method for air conditioning ap Current controlling apparatus and method for air conditioning ap

1991-11-15

1993-05-11

Tanner, Harry B.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

62129, 62230, 361 22, F25B 100

Patent

active

052090752

ABSTRACT:
A current control method and apparatus for use in an air conditioning apparatus is disclosed. A total current detection portion is mounted at the AC power supply portion and a peak current detection device is mounted between the conversion portion and the inverter. The total current detection portion detects a maximum current applied to the air conditioning apparatus and the peak current detection portion detects a peak current generated in the inverter. The limitation of the detected total current value is particularly preset in the heating and in the cooling operations. When the detected value surpasses the preset limitation, the inverter motor is stopped.

REFERENCES:
patent: 4517812 (1985-05-01), Umezu
patent: 4709292 (1987-11-01), Kuriyama et al.
patent: 4736595 (1988-04-01), Kato
patent: 4968338 (1990-11-01), Sugiyama

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