According to information from the national intellectual property agency, chuhegli electric co. Ltd. Applied for a patent entitled “an air conditioner compressor and its pfc control method, system”, open number cn121308636a, dated september 2025。
The patent summary shows that this invention provides an air-conditioning compressor and its pfc control method, system, which is in the field of air-conditioning compressor technology, including: input voltage, parent-line voltage, and electro-sensor current of the pfc circuit for collecting air-conditioning compressors; calculation of the instantaneous tilt rate based on the sample values of the said input voltage, and acquisition of the corresponding voltage phase angle by means of a meter, based on the stated instantaneous slope; conversion of the said electrical current signal in the form of the communication to the straight current electrical signal, based on the stated voltage phase; double-ring control of the said parent-line voltage voltage and the stated direct current current signal, output of the direct current error signal; conversion of the stated direct current error signal into the communication form of the electrical pressure control signal; and the effect of the said electrical control signal on the switch of the said pfc circuit to regulate the said electrical current and the said parent-line voltage. This invention solved the problem of the pi controller controlling poor response to pfc communication signals。
According to the astronomical survey, chu haegli electric co. Ltd. Was established in 1989 in the city of joo hae and is an enterprise mainly engaged in the manufacturing of electrical machinery and equipment. The registered capital of the enterprise is rmb 60157,308. 78 million. Through an eye-to-eye analysis of large-scale data, chu hagrid electronics ltd. Has invested 98 companies abroad, participated in 5,000 bidding projects, had 5,000 trademarks and 5,000 patents on property trails, and had 908 administrative licences。
