LCT发电机励磁操作说明书0708(中英文版) 联系客服

发布时间 : 星期六 文章LCT发电机励磁操作说明书0708(中英文版)更新完毕开始阅读f40d328858fafab069dc02fc

LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide submenu’s first item “Excitation specific PT sampling value”and second “PT instrument measurement sampling value.

5.3.1.1.4 第Ⅳ页参数Parameters on page IV:

f = 49.998 LC Id= 0.04393 f = 49.998 本Id= 0.04393 Ia = 0.00000 OC Id= 0.00000 Ia = 0.00000 它Id= 0.00000 Ib= 0.00000 Vpss= 0.00000 Ib= 0.00000 Vpss= 0.00000 Ic= -0.00000 Ⅳ缓pss= -0.00000 Ic= -0.00000 ⅣBpss= -0.00000

各参数定义如下:The definition of the parameters is following: f:发电机频率,单位HZ。Generator frequency,unit is HZ. Ia:发电机CT的a相电流值,单位A。Generator CT A phase current value, unit is A.

Ib:发电机CT的b相电流值,单位A。Generator CT B phase current value, unit is A.

Ic:发电机CT的c相电流值,单位A。Generator CT C phase current value, unit is A.

本Id:调节器本柜电流,单位A。LC Id: Regulator local cabinet current, unit is A.

它Id:调节器它柜电流,单位A。OC Id: Regulator other cabinet current, unit is A.

Vpss:pss计算的输出值。Vpss: Output value calculated by pss. 缓pss:pss的计算值。Bpss:Pss calculated value.

调节器本柜电流和它柜电流量,在大中型发电机组带励磁机的励磁系统中,用于双通道并联运行方式,在其他方式中,该两个量意义不大。Regulated local cabinet current and other cabinet current,in the excitation system of the big and normal generator group, used in two channels parallel running mode, in other mode, these two parameters won’t be important.

5.3.1.1.5 第Ⅴ页参数 Parameters on page V: PC 01E9H Iω= 35.414 伪随码 01E9H Iω= 35.414 pid0= 15.000 OTw1= -6.2894 pid0= 15.000 OTw1= -6.2894 pid1= 1.0000 OTw2= 0.00000 pid1= 1.0000 OTw2= 0.00000 Opid= -5.0000 Ⅴ OT6= -0.00000

Opid= -5.0000 ⅤOT6= -0.00000

该页主要为中试所(电科院)做试验作参考。The page is mainly consult for electrical technology institute to do test.

各参数定义如下:The definition of the parameters is following:

伪随码:通过主机板Jpss1和Jpss2送入的,用于测量发电机频率特性的伪随机码。PC(pseudo-random code): Sent by CPU board Jpss1 and Jps2, pseudo-random code used to measure generator frequency characteristic.

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LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide pido、pid1:PID计算中的中间量。Intermidiate variable in PID calculation. Opid:pid计算中的pid输出量。PID output variable in PID calculation. 其余为pss计算中的中间量。 Others are intermidiate variable in pss calculation.

5.3.1.1.6 第Ⅵ页参数 Parameters on page VI: IPe= 0.00000 OKs3= 0.00000 IPe = 0.00000 OKs3= 0.0000 OTw3= 0.00000 IRa= 1.1573 OTw4= 0.00000 ORa1= 0.17513 OKs2= 0.00000Ⅵ ORa2= 1.6066

OTw3= 0.00000 IRa= 1.1573 OTw4= 0.00000 ORa1= 0.17513 OKs2= 0.00000ⅥORa2= 1.6066 该页主要为中试所(电科院)做试验作参考,为pss计算中的中间量。The page is mainly consult for electrical technology institute to do test, intermidiate variable in pss calculation.

5.3.1.1.7 第Ⅶ页参数 Parameters on page VII:

ORa3= 0.15228 OKs1= 0.00000 ORa3= 0.15228 OKs1= 0.00000 ORa4= 1.5533 OT2 = 0.00000 ORa4= 1.5533 OT2 = 0.00000 ORa5= 0.00000 OT4= 0.00000 ORa5= 0.00000 OT4= 0.00000

∑in = 0.00000Ⅶ OPss= 0.00000 ∑in = 0.00000Ⅶ OPss= 0.00000 该页主要为中试所(电科院)做试验作参考,为pss计算中的中间量。The page is mainly consult for electrical technology institute to do test, intermidiate variable in pss calculation.

5.3.1.1.8 第Ⅷ页参数 Parameters on page VIII: 采f 61A8H 采Id 0020H Sf 61A8H SId 0020H SVfd 0020H SLId 001BH 采Vfd 0020H 采本Id 001BH 采Ifdi 0000H 开入1f 0000 H SIfdi 0000H DI1f 0000H 采Ifdc 0000H Ⅷ开出1h 0000 H SIfdc 0000H Ⅷ DO1h 0000H

该页无十进制显示形式。 The page doesn’t have algorism display mode. 采f:发电机频率的采样值。当发电机频率为50Hz时,该值作为参数查询与修改菜单下伏赫限制参数子菜单中之每周波脉冲数。Sf: Generator frequency sampling value. When generator frequency is 50HZ, the value is pulse number of parameters consult and modification menu’s voltage and herz limit parameters submenu.

采Vfd:发电机转子电压采样值。SVfd: Generator rotor voltage sampling value. 采Ifdi:通过分流器得到的发电机转子电流采样值。SIfdi: Generator rotor current sampling value gained by currend divided.

采Ifdc:通过励磁CT得到的发电机转子电流采样值。SIfdc: Generator rotor

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LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide current sampling value gained by excitation CT.

采Id:调节器输出总电流的采样值。SId: Sampling value of regulator output joint current.

采本Id:调节器本柜输出电流的采样值。SLId: Sampling value of local cabinet regulator current.

在发电机额定工况下,采Vfd、采Ifdi、采Ifdc、采Id、采本Id值分别作为“参数查询与修改”菜单下“额定直流量采样值(HEX)”子菜单中“转子电压采样值”、“转子电流采样值”、“励磁CT采样值”、“调节器总输出电流”、“调节器本柜输出电流”。 In generator rated condition, SVfd, SIfdi, SIfdc, SId, SLId values are “rotor voltage sampling value”, “rotor current sampling value”, “excitation CT sampling value”, “regulator output joint current”, “regulator local cabinet current current” of the “rated DC variable sampling value (HEX)” submenu of the “parameter check and change” menu.

开入1f、开出1h为内部参数,供制造厂现场服务人员参考。Digital input 1f, digital output 1h are inside parameters, provide factory personel to consult.

5.3.1.1.9 第Ⅸ页参数 Parameters on page IX:

开入1 0020H 开出1 4000H 开入2 0004H 开出2 0001H 开入3 0000H 开出3 0001H

面板入 0006H Ⅸ 面板出 0600 H

该页参数为内部参数,供制造厂现场服务人员参考。The page’s parameters are inside parameters, provide factory personel to consult. 5.3.1.1.10 第Ⅹ页参数 Parameters on page X: 脉冲+a 6383.0 回读+a 6303.0 P+a 6383.0 RB+a 6303.0 脉冲-c 4166.0 回读-c 4168.0 P-c 4166.0 RB-c 4168.0 P+b 4166.0 RB+b 4168.0

脉冲+b 4166.0 回读+b 4168.0

P-a 6311.0 Ⅹ RB-a 6313.0 脉冲-a 6311.0 Ⅹ 回读-a 6313.0

DI1 0020H DO1 4000H DI2 0004H DO2 0001H DI3 0000H DO3 0001H FBI 0006H Ⅸ FBO 0600 H 左半部为触发可控硅的脉冲时延,右半部为通过回读回路得到的脉冲时延值。其中+a相以及-a相时延为可控硅α角的时延,即该值乘于0.8us;-c、+b以及第Ⅺ页的+c、-b值时延相当于60°的延时,如下图所示:The half left part is thyristor gating circuit delay, the half right part is pulse delay value gained by read-back. Thereinto +a phase and –a phase delay are SCR’s delay, namely the value multiply 0.8us; -c, +b and the sixth page’s +c, -b value are as 60°delay, as following picture shows:

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LCT微机励磁控制器 操作说明书 LCT Digital Excitation Controller User’s Guide +A相同步电压波形+A synchronous voltage wave+a相脉冲+a phase palseo-c相脉冲60-c phase palse+b相脉冲o60+b phase palse-A相同步电压波形-A synchronous voltage wave-a相脉冲-a phase palseo+c相脉冲60+c phase palse-b相脉冲o60-b phase palse5.3.1.1.11 第Ⅺ页参数 Parameters on page XI: P+c 4166.0 RB+c 4167.0 脉冲+c 4166.0 回读+c 4167.0 脉冲-b 4166.0 回读-b 4169.0 P-b 4166.0 RB-b 4169.0 采2.5V 2.4956 β 1DE0H S2.5V 2.4956 β 1DE0H βVfd= 0.00000 Ⅺ α0= 82.300 βVfd= 0.00000 Ⅺ α0= 82.300

除脉冲及回读参数外,“采2.5V”为2.5V基准值,“α0”为发电机空载额定时可控硅的标准开放角,其余参数为内部参数,供制造厂现场服务人员参考。Besides pulse and read-back parameters, “S2.5V” is 2.5V reference value, “α0” is SCR’s reference open angle when generator is in noload rated, other parameters are inside parameters, provide factory personel to consult.

βVfd:转子电压负反馈量,单位无。该值主要用于带励磁机的发电机组,静止励磁系统中该值为零。该值为β(转子电压负反馈系数)和Vfd(转子电压)的乘积,对于不带转子电压测量的无刷励磁方式,该值等同于βId即转子电压负反馈系数与调节器输出总电流乘积。βVfd:Rotor voltage negative feedback variable, has no unit. The value is mainly used on generator group with excitator, in static excitation system the value is zero. The value is the product of β(rotor voltage negative feedback coefficient) and Vfd (rotor voltage), for brushless excitation mode without rotor voltage measurement, the value is equal to βId namely rotor voltage negative feedback coefficient and regulator output joint current product.

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