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发电机调压板各个电位器的调节方法

来源:   发布于:2018-04-23

发电机调压板电位器包括:

The generator voltage regulator plate potentiometer includes:

VOL:电压调节;

VOL: voltage regulation;

DROOP:并机时的无功调节;

DROOP: reactive power regulation at the same time;

UF: 低频保护调节;

UF: low frequency protection regulation;

TRIM:并机时的无功调节;

TRIM: reactive power regulation at the same time;

OVER EXC:过励磁保护调节;

OVER EXC: over excitation protection regulation;

STAB:稳定 调节

STAB: stable regulation

A、 VOL:电压调节 作用:电压调整 如输出电压不符,顺时针旋转电压调节电位器,输出电压升高; 反之则反。

A, VOL: voltage regulation: voltage regulation such as output voltage does not match, clockwise rotation voltage adjustment potentiometer, output voltage rise; vice versa.

B、DROOP:并机时的无功调节 作用:调节电流补偿压降

B and DROOP: reactive power regulation function: regulating current compensation voltage drop.

C、UF:低频保护调节 作用:起低频保护

C, UF: low frequency protection and regulation: low frequency protection

D、TRIM:并机时的无功调节

QQ截图20171025151828.jpg

D, TRIM: reactive power regulation at parallel time

作用:优化电压修正灵敏度.

Function: optimize voltage correction sensitivity.

1、根据发电机负荷的变化相应的调节励磁电流,以维持机端电压为给定值;

1, adjust the excitation current according to the change of generator load to maintain the terminal voltage as a given value.

2、控制并列运行各发电机间无功功率分配;

2, control the parallel operation of reactive power distribution among generators.

3、提高发电机并列运行的静态稳定性;

3, improve the static stability of generator parallel operation.

4、提高发电机并列运行的暂态稳定性;

4, improve the transient stability of generator parallel operation.

5、在发电机内部出现故障时,进行灭磁,以减小故障损失程度;

5, in the generator internal fault occurs, de excitation, in order to reduce the degree of failure loss;

6、根据运行要求对发电机实行最大励磁限制及最小励磁限制等。

6, according to the operation requirements, the generator excitation limits and minimum excitation limits are implemented.

E、OVER EXC:过励磁保护调节 作用:过流减励 使发电机在额定功率下,逆时旋转励磁脱扣电位器,使指示二极 管发光,再顺时旋转约5度即可。

E, OVER EXC: over excitation protection regulation: over current reducing excitation makes the generator under the rated power, reverse rotation excitation to remove the potentiometer, so that the indicator diode light, and then rotate about 5 degrees.

F、STAB:稳定调节 作用:调整稳定度.

F and STAB: stabilizing effect: adjusting stability.

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