UAD155A0111 3BHE029110R0111 励磁控制器对发电机组的励磁电流进行控制

Description

UAD155A0111 3BHE029110R0111 励磁控制器对发电机组的励磁电流进行控制

励磁控制器是水轮发电机组的核心控制设备之一，UAD155A0111 3BHE029110R0111 主要作用是控制发电机组中的电磁励磁系统，控制发电机组电磁线圈的电流，以调节发电机的电压和电流输出值。其具体用途包括但不限于以下几点：

调节发电机组的磁场强度，保持发电机组的稳定运行。
在并联运行机组之间合理分配无功功率，提高电力系统的稳定性。
在发电机内部故障时，执行灭磁操作，降低故障损失程度。
根据发电机负载的变化调整励磁电流，使发电机端电压保持在给定值。
控制并联运行的发电机之间的无功功率分配，提高发电机并联运行的静态稳定性。

励磁控制器在发电机组中起着至关重要的作用，UAD155A0111 3BHE029110R0111主要表现在以下几个方面：

电压控制：励磁控制器通过控制励磁电流来调节发电机的输出电压，确保发电机端电压稳定在规定的范围内。当发电机组的电压偏离额定值时，励磁控制器会自动调节励磁电流，使电压回到设定值。

电流控制：励磁控制器对发电机组的励磁电流进行控制，保证其符合发电机的运行要求。在发电机组运行过程中，励磁控制器会实时监测励磁电流的大小，并根据预设的调节算法对其进行调整，确保电流稳定。

无功功率分配：在并联运行的发电机组中，励磁控制器负责合理分配无功功率。通过精确控制各发电机组的励磁电流，励磁控制器可以实现无功功率的合理分配，提高电力系统的稳定性。

稳定性控制：励磁控制器能够提高发电机组的稳定性。通过实时监测发电机组的运行状态，励磁控制器可以快速响应各种扰动，如负载变化、参数波动等，及时调整励磁电流，确保发电机组运行的稳定。

故障处理：当发电机组出现故障时，励磁控制器能够迅速响应，执行灭磁操作，降低故障损失。同时，励磁控制器还可以触发报警和保护机制，通知运维人员及时处理故障，保障发电机组的安全运行。

自动调节：励磁控制器具有自动调节功能，可以根据发电机组的运行需求和电力系统参数进行自动调节。这大大减轻了运维人员的工作负担，提高了发电机组的运行效率。

综上所述，UAD155A0111 3BHE029110R0111 励磁控制器在发电机组中起着至关重要的作用，是保证发电机组稳定、高效、安全运行的关键设备之一。

UAD155A0111 3BHE029110R0111 励磁控制器对发电机组的励磁电流进行控制

Excitation controller is one of the core control equipment of hydrogenerator set, UAD155A0111 3BHE029110R0111 main function is to control the electromagnetic excitation system in the generator set, control the current of the electromagnetic coil of the generator set, to adjust the voltage and current output value of the generator. Its specific uses include but are not limited to the following:

Adjust the magnetic field strength of the generator set to maintain the stable operation of the generator set.
The rational distribution of reactive power among parallel operating units can improve the stability of power system.
When the internal fault of the generator, the magnetic operation is performed to reduce the degree of fault loss.
Adjust the excitation current according to the change of the generator load to keep the generator terminal voltage at the given value.
Control the reactive power distribution between parallel generators to improve the static stability of parallel generators.

Excitation controller plays a crucial role in the generator set, UAD155A0111 3BHE029110R0111 mainly in the following aspects:

Voltage control: The excitation controller regulates the output voltage of the generator by controlling the excitation current to ensure that the generator terminal voltage is stable within the specified range. When the voltage of the generator set deviates from the rated value, the excitation controller will automatically adjust the excitation current to return the voltage to the set value.

Current control: The excitation controller controls the excitation current of the generator set to ensure that it meets the operation requirements of the generator. During the operation of the generator set, the excitation controller will monitor the size of the excitation current in real time, and adjust it according to the preset adjustment algorithm to ensure the current stability.

Reactive power distribution: In parallel operation of the generator set, the excitation controller is responsible for the reasonable distribution of reactive power. By precisely controlling the excitation current of each generator set, the excitation controller can realize the rational distribution of reactive power and improve the stability of the power system.

Stability control: Excitation controller can improve the stability of the generator set. By monitoring the operating state of the generator set in real time, the excitation controller can quickly respond to various disturbances, such as load changes, parameter fluctuations, and timely adjust the excitation current to ensure the stable operation of the generator set.

Troubleshooting: When the generator set is faulty, the excitation controller can respond quickly and execute the magnetization operation to reduce the fault loss. At the same time, the excitation controller can also trigger the alarm and protection mechanism, notify the operation and maintenance personnel to deal with the fault in time, and ensure the safe operation of the generator set.

Automatic adjustment: The excitation controller has an automatic adjustment function, which can be automatically adjusted according to the operating requirements of the generator set and the parameters of the power system. This greatly reduces the work burden of operation and maintenance personnel and improves the operation efficiency of the generator set.

In summary, the UAD155A0111 3BHE029110R0111 excitation controller plays a crucial role in the generator set, and is one of the key equipment to ensure the stable, efficient and safe operation of the generator set.