ApplicationNo./PatentNo.: 2008200455 13
The utility model relates to an electronic control circuit, in particular to a three-phase AC motor energy saver. It comprises a thyristor connected to the input end, an auxiliary circuit for assisting the thyristor control circuit, a sensor, a transformer and a rectifier circuit connected to the auxiliary circuit, and is characterized in that the sensor adopts a super-large black tube, and a current-limiting resistor is connected in series between the sensor and the rectifier circuit. The utility model can reduce the impact of excessive current on the sensor, avoid the sensor from burning, and improve the anti-burning ability of the sensor.
Date of application: March 26th, 2008.
Open day:
Announcement date of authorization: 01.07,2009
Applicant/patentee: Chen Yongmi.
Applicant's address:No. 12 1, Meijing Avenue, Tangsheng Village, Dalang Town, Dongguan City, Guangdong Province.
Inventor: Chen Yongmi
Patent agency: Dongguan Zhongzheng Intellectual Property Office.
Authorized Agent: Gu Qinghong.
Patent type: utility model patent
Classification number: h02p25/16; H02p 6/08· ...
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