容量(法拉)英制: C = ( 0.224 × K · A) / TD公制: C = ( 0.0884 × K · A) / TD电容器中存储的能量E = ? CV2电容器的线性充电量I = C (dV/dt)电容的总阻抗(欧姆)Z = √ [ RS2 + (XC – XL)2 ]容性电抗(欧姆)XC = 1/(2πfC)相位角 Ф理想电容器:**前当前电压 90o理想电感器:滞后当前电压 90o理想电阻器:与当前电压的相位相同耗散系数 (%)D.F. = tan δ (损耗角)= ESR / XC= (2πfC)(ESR)品质因素详细资料请访问网 = cotan δ = 1/ DF等效串联电阻ESR(欧姆)ESR = (DF) XC = DF/ 2πfC功率消耗Power Loss = (2πfCV2) (DF)功率因数PF = sin δ (loss angle) – cos Ф (相位角)均方根rms = 0.707 × Vp千伏安KVA (千瓦)KVA = 2πfCV2 × 10-3电容器的温度系数T.C. = [ (Ct – C25) / C25 (Tt – 25) ] × 106容量损耗(%)CD = [ (C1 – C2) / C1 ] × 100陶瓷电容的**性L0 / Lt = (Vt / V0) X (Tt / T0)Y串联时的容值n 个电容串联:1/CT = 1/C1 + 1/C2 + …. + 1/Cn两个电容串联:CT = C1 · C2 / (C1 + C2)并联时的容值CT = C1 + C2 + …. + Cn重复次数(Againg Rate)A.R. = % ΔC / decade of time详细资料请访问网:K = 介电常数A = 面积TD = 绝缘层厚度V = 电压t = 时间RS = 串联电阻f = 频率L = 电感感性系数δ = 损耗角Ф = 相位角L0 = 使用寿命Lt = 试验寿命Vt = 测试电压V0 = 工作电压Tt = 测试温度T0 = 工作温度X , Y = 电压与温度的效应指数。深圳市鹏达诚科技股份有限公司欢迎您前来咨询
深圳市鹏达诚科技股份有限公司专注于等