LCT发电机励磁操作说明书0708（中英文版）

LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide 5．3．2．1．4 PSS2A模型参数 Parameter of PSS2A model： 5.00 ⑴ ω ISO DC- Tw1(S)： 5.00 ⑴ω隔直时间常数Tw1(S)： 5.00 ⑵ ω ISO DC- Tw2(S)： 5.00 ⑵ω隔直时间常数Tw2(S)：⑶ P- ISO DC- Tw3(S)： 5.00 ⑶P-隔直时间常数Tw3(S)： 5.00 ⑷P-隔直时间常数Tw4(S)： 5.00 ⑸PSS 超前时间常数T1(S): 0.35 ⑹PSS 滞后时间常数T2(S): 4.00 ⑺PSS 超前时间常数T3(S): 0.15 ⑻PSS 滞后时间常数T4(S): 0.05

⑷ P- ISO DC- Tw4(S)： 5.00 ⑸ PSS -T1(S): 0.35 ⑹ PSS -T2(S): 4.00 ⑺ PSS -T3(S): 0.15 ⑻ PSS -T4(S): 0.05 ⑼ω滤波器参数T6(S): 0.02 ⑽P-滤波器参数T7(S): 0.02 ⑾斜坡滤波器参数T8(S): 3.20 ⑿斜坡滤波器参数T9(S): 0.64

⑼ ω- T6(S): 0.02 ⑽ P - T7(S): 0.02 ⑾ T8(S): 3.20 ⑿ T9(S): 0.64 ⒀PSS 超前时间常数T10(S): 0.02 ⒁PSS 滞后时间常数T11(S): 0.02 ⒂PSS 滞后时间常数T12(S): 0.02 ⒃PSS 放大倍数Ks1: 01.00 ⒄放大倍数Ks2: 01.00 ⒅放大倍数Ks3: 01.00 ⒆滤波器乘方数M: 5 ⒇滤波器乘方数N: 5 ⒀ PSS - T10(S): 0.02 ⒁ PSS - T11(S): 0.02 ⒂ PSS - T12(S): 0.02 ⒃ PSS Amp - Ks1: 01.00 ⒄ Amp - Ks2: 01.00 ⒅ Amp - Ks3: 01.00 ⒆ Ｍ: 5 ⒇ Ｎ: 5

其数学模型如下：The math model is as following shows:

40

LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide 轴速度Speedω电功率ElectricalPowersTw11+sTw1sTw21+sTw211+sT6+ΔPm(1+sT8)∑M(1+sT9)+Ks3N+∑-ΔPaPesTw31+sTw3sTw41+sTw4Ks21+sT7ΔPeKs11+sT11+sT21+sT31+sT4 1+sT101+sT1111+sT12限幅LimitΔVpss操作：Keyborad operation: 上键UP Key（^）：向上移动光标。Up the cursor . 下键Down Key（v）：向下移动光标。Down the cursor .

取消键Quit Key（取消ESC）：退回上一级菜单。Back to the previous menu.

确认键Enter Key（确认ENTER）：按一次，进入修改状态。（参照 5.3.2.1.1节） Press a time,go into the modifying state. （Refer to section 5.3.2.1.1）. 5．3．2．1．5 发电机转子电压负反馈系数 Negative Feedback Factor

of Generator Rotor Voltage：

⑴转子电压负反馈β: 0.10

⑴ Urotor NEG FB β: 0.10 自并励励磁系统中发电机转子电压负反馈系数β恒为零。In static excitation system generator rotor voltage negative feedback factor β is always zero.

41

LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide 操作：Keyborad operation:

取消键Quit Key（取消ESC）：退回上一级菜单。Back to the previous menu.

确认键Enter Key（确认ENTER）：按一次，进入修改状态。（参照 5.3.2.1.1节） Press a time,go into the modifying state. （Refer to section 5.3.2.1.1）.

5．3．2．1．6 额定直流量采样值(HEX) Rated Sampling Value of DC

Value（HEX）：

⑴励磁CT采样值: 6000H ⑵转子电流采样值: 6000H ⑶转子电压采样值: 6000H ⑷调节器总输出电流: 6000H

⑴ EXC CT SA Value: 6000H ⑵ Irotor SA Value: 6000H ⑶ Urotor SA Value: 6000H ⑷ REG I joint : 6000H ⑸调节器本柜输出电流: 6000H ⑸ REG Cubicle Output I: 6000H

上图中(1)至(5)项分别来自于通道参数查询菜单下第Ⅷ页“采Ifdc”、“采Ifdi’”、“采Vfd”、“采Id”、“采本Id”。In above picture (1) to (5) item partly come from channel parameters consult menu’s eighth page “ＳIfdc”, “ＳIfdi”, “ＳVfd”, “sＳId”, “ＳＬId”.

操作：Keyborad operation:

上键UP Key（^）：向上移动光标。Up the cursor . 下键Down Key（v）：向下移动光标。Down the cursor .

取消键Quit Key（取消ESC）：退回上一级菜单。Back to the previous menu. 42

LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide

确认键Enter Key（确认ENTER）：按一次，进入修改状态。（参照 5.3.2.1.1节） Press a time,go into the modifying state. （Refer to section 5.3.2.1.1）. 5．3．2．1．7 低励限制参数 Under Excitation Limit Parameters：

如右图所示各点定义如下：As right Q低励限制曲线picture shows all definition is

Under Excitation Limit Linefollowing:

P(P3,Q2)第一点有功为P1，第二点有功为P2，0(P1,Q1)第三点有功为P3，第一二点无功为Q1，

(P2,Q1)第三点无功为Q2，失励切换无功增量为Δ

ΔQQ。The first active power is P1, the 保护曲线Protect Linesecond is P2, the third is P3, the first

and second reactive power is Q1, the third is Q2, lost excitation switch to reactive power addition is ΔQ.

当Q大于低励闭锁无功值时，程序将不再做低励限制及保护计算。When Q is larger than reactive power value which blocking under excitation limit, program will not be under excitation limit and protecting calculation.

⑴第一点有功(MW): 000 ⑵第二点有功(MW): 070 ⑶第三点有功(MW): 125 ⑷第一二点无功(MVAR): -040 ⑸第三点无功(MVAR): -020 ⑹失励切换无功增量(MVAR): 020 ⑺低励闭锁无功 (％Qn): 35 ⑻失励保护时间(S): 1.0

⑴ 1st Point P (MW): 000 ⑵ 2nd Point P (MW): 070 ⑶ 3rd Point P (MW): 125 ⑷ 1st 2nd Point Q (MVAR): -040 ⑸ 3rd Point Ｑ (MVAR): -020 ⑹ LosEXC Qinc(MVAR): 020 ⑺ UnderEXC LAT Ｑ(％Qn): 35 ⑻ LosEXC Protect T(S): 1.0

操作：Keyborad operation:

上键UP Key（^）：向上移动光标。Up the cursor . 下键Down Key（v）：向下移动光标。Down the cursor .

43