比率制动系数法1. Based on the different variation characteristics of the ratio of differential current and restraint current during internal fault and external fault with current transformer saturation,a new saturation criterion called ratio restraint coefficient method is presented. 根据差动电流与制动...
a整定值(A) 动作值(A) 动作时间(ms) 信 号[translate] a1)比率系数值低值,第二段折线比率制动特性检验(0.5Ie≦Ir≦3Ie)[translate] aI1[translate] a制动电流Ir=I1+I2[translate] a2)比率系数值高值,第三段折线比率制动特性检验(Ir≧3Ie)[translate]...