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工程翻译术语单相等值电路per phase equivalent circuit正弦稳态sinusoidal steady state正弦函数sinusoidal function双回线double-circuit line多回线paralell-circuit line正常稳态运行情况（长春金伦翻译0431normal steady-state operating conditions单线图one-line diagram电感线圈inductance coilπ型等值电路equivalent π circuitπ型等值电路π-equivalent circuit微分方程differential equations满载full-load空载no-load轻载light-load重载heavy-load授端电压receiving-end voltage（长春翻译金伦翻译）送端电压sending-end voltage电压曲线 电压分布voltage profile可控硅投切电抗器thyristor-switched reactor电容器组capacitor bank电路原理electric network theory电机学electric machines线性系统linear systems常微分方程ordinary differential equations矩阵代数matrix algebra集中参数电路等值（长春翻译金伦翻译）lumped-circuit equivalent电压等级voltage level标幺化per unit normalization倒数reciprocal假定正方向assumed reference direction磁动势magnetomotive force (mmf) 磁阻reluctance空载试验oper-circuit test短路试验short-circuit test三相变压器组（长春金伦翻译0431three-phase bank发电机惯例generator convention电动机惯例load convention手工练习paper-and-pencil exercise非标准变比变压器transformer with off-nominal turns ratio基准量base quantity/value, basis归算到变压器高压侧（长春翻译金伦翻译）refered to the high-voltage side of the transformer输入端电压the input terminal voltage功率因数为1 unity power factor功率因数为0.8领先0.8 power factor leading馈线feeder负荷端load end励磁电流exciting/field current铭牌数据nameplate ratings伏安voltampere标幺符号p.u. notation移相变压器phase-shifting transformer（长春翻译金伦翻译）极性点polarity dot电能electrical energy电力工业the electric utility industry电力系统powers system, electric power systems发电公司generating company输电公司transmission company配电公司distribution company有名值actual value线损line losses基尔霍夫定律Kirchhoff law节点分析法nodal analysis（长春翻译金伦翻译）回路分析法mesh/loop analysis叠加法superposition电源变换法（长春金伦翻译0431source transformations戴韦南定理Thevenins theorem诺顿定理Nortons theorem矩阵符号matrix notation对角线元素diagonal element非对角线元素off-diagonal element方向箭头reference arrow自导纳自导纳self-admittance, driving-pointadmittance互导纳mutual admittance, transfer admittance120o 相移120o displacement相量图phasor diagram（长春翻译金伦翻译）相量图的原点the origin of the phasor diagram等边三角形equilateral triangle顶点vertex/ve