Title:
TRANSFORMER CIRCUIT AND METHOD FOR DECREASING NO-LOAD POWER CONSUMPTION
Document Type and Number:
WIPO Patent Application WO/2018/188132
Kind Code:
A1
Abstract:
A transformer circuit and a method for decreasing no-load power consumption, the transformer circuit comprising a transformer (30) and an auxiliary winding circuit (10), the transformer (30) comprising an iron core (34), a primary winding (32), a secondary winding (33) and an auxiliary winding (31), the auxiliary winding circuit (10) being connected to the auxiliary winding (31), the auxiliary winding circuit (10) comprising a first power supply circuit (11) and a second power supply circuit (12), and the auxiliary winding (31) comprising a first end (1), a second end (2) and a tap (3) located between the first end (1) and the second end (2). The present method decreases no-load power consumption.
Inventors:
LI WENDONG (CN)
Application Number:
PCT/CN2017/082631
Publication Date:
October 18, 2018
Filing Date:
April 28, 2017
Export Citation:
Assignee:
SHENZHEN CHINA STAR OPTOELECT (CN)
International Classes:
H02J9/06; H02M3/335
Foreign References:
| CN202231914U | 2012-05-23 | |||
| CN204578876U | 2015-08-19 | |||
| CN204408206U | 2015-06-17 | |||
| CN205960752U | 2017-02-15 | |||
| CN204993067U | 2016-01-20 | |||
| US20140239829A1 | 2014-08-28 | |||
| US5880942A | 1999-03-09 |
Other References:
See also references of EP 3611819A4
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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