Low energy arc discharge characteristics was analyzed based on dynamic V-Acharacteristics model.It draws conclusions that discharge time relates to the source volt-age and the product of inductance and stable current,...Low energy arc discharge characteristics was analyzed based on dynamic V-Acharacteristics model.It draws conclusions that discharge time relates to the source volt-age and the product of inductance and stable current,discharge time will increase whenthe source voltage increases;current reduce rate is in inverse proportion to the value ofinductance;arc resistance when the arc occurs is the ratio of minimum arcing voltage tostable currant.It also gains the expressions of arc resistance and arc power,arc resis-tance and arc power both increase as the source voltage increases and decrease as thevalue of inductance increases.Conclusions above mentioned are helpful to design intrin-sically safe circuits.展开更多
文摘Low energy arc discharge characteristics was analyzed based on dynamic V-Acharacteristics model.It draws conclusions that discharge time relates to the source volt-age and the product of inductance and stable current,discharge time will increase whenthe source voltage increases;current reduce rate is in inverse proportion to the value ofinductance;arc resistance when the arc occurs is the ratio of minimum arcing voltage tostable currant.It also gains the expressions of arc resistance and arc power,arc resis-tance and arc power both increase as the source voltage increases and decrease as thevalue of inductance increases.Conclusions above mentioned are helpful to design intrin-sically safe circuits.
