发明名称 |
SHORT-CIRCUIT PROTECTION METHOD AND DEVICE FOR A HALF-BRIDGE RESONANT CONVERTER |
摘要 |
Provided are a short-circuit protection method and device for a half-bridge resonance converter. The method includes: a secondary-side current signal of the half-bridge resonance converter is detected, and the detected secondary-side current signal is converted into a corresponding first sampling voltage signal; whether a cycle-by-cycle protection is required in accordance with the first sampling voltage signal is determined; and a driving signal of the half-bridge resonance converter is compulsorily blocked during a preset cycle, if the cycle-by-cycle protection is required. Short-circuit protection may be performed for the half-bridge resonance converter, meanwhile a power density of the half-bridge resonance converter is satisfied. |
申请公布号 |
US2016172843(A1) |
申请公布日期 |
2016.06.16 |
申请号 |
US201414762974 |
申请日期 |
2014.03.11 |
申请人 |
GRG BANKING EQUIPMENT CO., LTD. |
发明人 |
GUO Xiaoliang;BAO Shenghua;WANG Tao |
分类号 |
H02H7/12;H02M3/335 |
主分类号 |
H02H7/12 |
代理机构 |
|
代理人 |
|
主权项 |
1. A method for short-circuit protection for a half-bridge resonance converter, comprising:
detecting a secondary-side current signal of the half-bridge resonance converter; converting the secondary-side current signal into a first sampling voltage signal; determining whether a cycle-by-cycle protection is required in accordance with the first sampling voltage signal; and compulsorily blocking a driving signal of the half-bridge resonance converter during a preset cycle when the cycle-by-cycle protection is required. |
地址 |
Guangzhou, Guangdong CN |