励磁电流英文

电气专业英语 （1） 元件设备 三绕组变压器：three-column transformer ThrClnTrans 双绕组变压器：double-column transformer DblClmnTrans 电容器：Capacitor 并联电容器：shunt capacitor 电抗器：Reactor 母线：Busbar 输电线：TransmissionLine 发电厂：power plant 断路器：Breaker 刀闸(隔离开关)：Isolator 分接头：tap 电动机：motor （2） 状态参数 有功：active power 无功：reactive power 电流：current 容量：capacity 电压：voltage 档位：tap position 有功损耗：reactive loss 无功损耗：active loss 功率因数：power-factor 功率：power 功角：power-angle 电压等级：voltage grade 空载损耗：no-load loss 铁损：iron loss 铜损：copper loss 空载电流：no-load current 阻抗：impedance 正序阻抗：positive sequence impedance 负序阻抗：negative sequence impedance 零序阻抗：zero sequence impedance 电阻：resistor 电抗：reactance 电导：conductance 电纳：susceptance 无功负载：reactive load 或者QLoad 有功负载: active load PLoad 遥测：YC(telemetering) 遥信：YX 励磁电流(转子电流)：magnetizing current 定子：stator 功角：power-angle 上限:upper limit 下限：lower limit 并列的：apposable 高压: high voltage 低压：low voltage 中压：middle voltage 电力系统 power system 发电机 generator 励磁 excitation 励磁器 excitor 电压 voltage 电流 current 母线 bus 变压器 transformer 升压变压器 step-up transformer 高压侧 high side 输电系统 power transmission system 输电线 transmission line 固定串联电容补偿fixed series capacitor compensation 稳定 stability 电压稳定 voltage stability 功角稳定 angle stability 暂态稳定 transient stability 电厂 power plant 能量输送 power transfer 交流 AC 装机容量 installed capacity 电网 power system 落点 drop point 开关站 switch station 双回同杆并架 double-circuit lines on the same tower 变电站 transformer substation 补偿度 degree of compensation 高抗 high voltage shunt reactor 无功补偿 reactive power compensation 故障 fault 调节 regulation 裕度 magin 三相故障 three phase fault 故障切除时间 fault clearing time 极限切除时间 critical clearing time 切机 generator triping 高顶值 high limited value 强行励磁 reinforced excitation 线路补偿器 LDC(line drop compensation) 机端 generator terminal 静态 static (state) 动态 dynamic (state) 单机无穷大系统 one machine - infinity bus system 机端电压控制 AVR 电抗 reactance 电阻 resistance 功角 power angle 有功（功率） active power 无功（功率） reactive power 功率因数 power factor 无功电流 reactive current 下降特性 droop characteristics 斜率 slope 额定 rating 变比 ratio 参考值 reference value 电压互感器 PT 分接头 tap 下降率 droop rate 仿真分析 simulation analysis 传递函数 transfer function 框图 block diagram 受端 receive-side 裕度 margin 同步 synchronization 失去同步 loss of synchronization 阻尼 damping 摇摆 swing 保护断路器 circuit breaker 电阻：resistance 电抗：reactance 阻抗：impedance 电导：conductance 电纳：susceptance 导纳：admittance 电感：inductance 电容: capacitance

S——汽车电瓶电压输入端，用于发电机对电瓶电压检测，发电机根据所检测到的S端电压高低来调整输出状态，防止电瓶过充电，提高电瓶使用寿命。IG——从点火开关的IG档（ON档）来的电源线，是给发电机转子提供励磁电流、并给电压调节器提供电源。 L——充电指示灯端，只接指示灯，无输出功能，无激磁功能。

5.2.7 over-excitation limitation function: ( excitation current and stator current limit)Excitation limiting function ( excitation current and stator current limiting )According to the PQ generator characteristic curve to check its limit the generator at a power output under reactive load. In P = 50% cases according to the stator current value setting the parameters of generator excitation current limiter action and recording terminal voltage of generator excitation current excitation voltage active and reactive power signal according to the system response appropriate adjustment of PID parameters in limiter action on the regulator stability is good.5.2.8 strong excitation limit function:Inverse time starting current is 1.1 times the load rated excitation current, and according to the generator thermal curve to determine the inverse time characteristic.5.2.9 volts Hertz limit:To avoid generating set and the excitation transformer iron core through magnetic flux saturation, regulator equipped with V / Hz limiter and characteristic curve, if the generator voltage is above a certain frequency lower limit value, will automatically reduce the given value of the generator voltage requirements with characteristic curve. According to setting limit check its protective action should be correctly. During no-load operation situation drop generator speed verify V / Hz limiter work normal.5.2.10 pulse examination:( static test ) check rectifier screen six phase pulse amplitude and phase of the correctness. Recording trigger circuit of phase shift characteristic.5.2.11 PT breaking and missing pulse switching testRegulator in the A channel operation, disconnect any one phase voltage or analog pulse loss, regulator should switch to B channel operation.5.2.12 low-excitation limited testP / Q low excitation limit test, low-excitation side stator current limit, minimum excitation current limit.Set P / Q low excitation limit parameter, in P = 0%, 25%, 50%, 75%, 100% in the case of the generator excitation system to reduce the low excitation limiter action, recording limiter action current operation value, by doing step load limiter action after the performance validation.In the generator with different load cases, artificial regulation of excitation, the leading phase operation of generator under excitation limiter limits, till action. And record the low-excitation limited movement of the active power and reactive power. Do 3-5, depict the low-excitation limited line.In the active P = 0%, 25%, 50%, 75%, 100% in the case of the generator phase advance operation verification of low excitation limit in a pre-set limit line can correct action and in the limit point of doing step response. Usually step volume < 3% to test low excitation limiter action stability according to the response system to adjust PID parameters in the test process of recorded wave voltage excitation current excitation electric pressure of active and reactive power signal and record limit action corresponding to the excitation current value. According to the automatic running mode under low excitation limit action recorded when the corresponding excitation current value set manual operation mode under low excitation limit line parameters.5.2.13 inverter de-excitation testThe generator no-load rated operation, manual inverse de-excitation and trip fmk, recording demagnetization process of excitation voltage, excitation current, voltage and other data. Simultaneous measurement of de-excitation time. Exit command was inactivated by excitation magnetic recording terminal voltage excitation voltage excitation current signal validation de-excitation process.The 5.2.14 regulator load rejection test ( left active and casting reactive power test )A left active: generator with 50% and rated 100% load operation, suddenly jump development motor switch, the rejection to the load, record generator excitation voltage, excitation current, voltage, waveform, recorded before and after load rejection n numerical stability.B. Casting reactive power: usually with appropriate active P = 15% in var Q = 10% 25% 50% 75% 100% five point on the load rejection test and recording terminal voltage of generator excitation current and reactive power signal in the test process according to the response system is adjusted in response to the control parameters to swing load voltage overshoot in line with gb. ( special test be arranged )5.2.15 rectifier cabinet on-line measurement of flow inspection5.2.16 rotor grounding protectionThe person with the standard of grounding resistance box in the rotor circuit with resistor, the circuit to the alarm value causes the alarm protection, to reduce grounding resistance action trip exports de-excitation switch.5.2.17 PT breaking testIn the case of no-load operation pull PT wiring verification switch control logic of normal and recording terminal voltage excitation voltage excitation current signal.The 5.2.18 after completion of the test: careful proofreading two channel parameter setting confirmation parameters back to FLASH MEMORY remove the debugging tools for the debugging process of removal of the panel screws and connecting the recovery and clean-up site on the control panel will control the cutting away into the distance. In one test, the accident memory unit.