电力专业术语英汉对照表
the liberalization of electricity market, economical benefits,
the grid has to be operated with maximized transfers
physical constrains; outage, partially black-out, complete black-out;
突然损失发电机或线路：sudden loss of a generator or transmission line.
负荷突然增加或减少：sudden load increases or decreases
短路和开关操作：short circuits and switching operations.
三相和对地短路：three-phase and line-to-ground faults
短路器：circuit breaker
暂态过电压和电流：transient overvoltages and currents
雷击：lightning strikes
电涌放电器：surge arrester
瞬时功率：instantaneous power
特别地：In particular,
正弦电压或电流：A sinusoidal voltage or current at constant frequency
最大值：maximum value
有效值：effective value
平均值：average value
坐标系虚轴：imaginary axis
相量图：phasor diagram for …
无源元件：passive elements
电阻、电感、电容、电抗：resistor, inductor, and capacitor, reactance,
感性、容性：inductive, capacitive
有功功率：real power or active power
无功功率：reactive power
功率因数：power factor
功率因数角：power factor angle
A single-phase source delivers 100kW to a load operating at a power factor of 0.8 lagging.
物理意义：The physical significance of …
…与…同相位：…be in phase with…
Example：For a purely resistive load, the current into the load is in phase with the load voltage.
按照惯例（通常）：By convention, the power factor cos(a-b) is positive.
时间区间：a time interval T. Example: The total energy absorbed by a load during a time interval T.
额定值：rating. 例：额定功率－power rating；发电机额定功率－power rating of electric generator；额定电压：voltage rating.
基尔霍夫电流（电压）方程：Kirchhoff’s current(voltage) law。 （P.48）
节点方程：nodal equations
导纳矩阵：admittance matrix
有N个节点电压构成的列相量：column vector of N bus voltages
对角元素：diagonal elements
非对角元：off-diagonal elements
自导纳：self-admittance; driving-point admittance
互导纳：mutual admittance; transfer admittance
…对…将产生深远影响：The blackout will have huge technical and organizational consequences for the US power industry.
当地仅存的无功电源无法维持电压：The existing local reactive power sources were not able to support the voltages.
切除线路：trip(tripped) the lines.
The isolated part suffered from low voltage and a severe deficit of generation.
电力系统稳定是指…：Power system stability refers to the ability of synchronous machines to move from one steady-state operating point following a disturbance to another steady-state operating point, without losing synchronism.
额定值：nominal values
故障类型：loss of generation, line-switching operations, faults, sudden load changes
