描述

UAD155A0111 3BHE029110R0111 勵(lì)磁控制器對(duì)發(fā)電機(jī)組的勵(lì)磁電流進(jìn)行控制

勵(lì)磁控制器是水輪發(fā)電機(jī)組的核心控制設(shè)備之一，UAD155A0111 3BHE029110R0111 主要作用是控制發(fā)電機(jī)組中的電磁勵(lì)磁系統(tǒng)，控制發(fā)電機(jī)組電磁線圈的電流，以調(diào)節(jié)發(fā)電機(jī)的電壓和電流輸出值。其具體用途包括但不限于以下幾點(diǎn)：

調(diào)節(jié)發(fā)電機(jī)組的磁場(chǎng)強(qiáng)度，保持發(fā)電機(jī)組的穩(wěn)定運(yùn)行。
在并聯(lián)運(yùn)行機(jī)組之間合理分配無功功率，提高電力系統(tǒng)的穩(wěn)定性。
在發(fā)電機(jī)內(nèi)部故障時(shí)，執(zhí)行滅磁操作，降低故障損失程度。
根據(jù)發(fā)電機(jī)負(fù)載的變化調(diào)整勵(lì)磁電流，使發(fā)電機(jī)端電壓保持在給定值。
控制并聯(lián)運(yùn)行的發(fā)電機(jī)之間的無功功率分配，提高發(fā)電機(jī)并聯(lián)運(yùn)行的靜態(tài)穩(wěn)定性。

勵(lì)磁控制器在發(fā)電機(jī)組中起著至關(guān)重要的作用，UAD155A0111 3BHE029110R0111主要表現(xiàn)在以下幾個(gè)方面：

電壓控制：勵(lì)磁控制器通過控制勵(lì)磁電流來調(diào)節(jié)發(fā)電機(jī)的輸出電壓，確保發(fā)電機(jī)端電壓穩(wěn)定在規(guī)定的范圍內(nèi)。當(dāng)發(fā)電機(jī)組的電壓偏離額定值時(shí)，勵(lì)磁控制器會(huì)自動(dòng)調(diào)節(jié)勵(lì)磁電流，使電壓回到設(shè)定值。

電流控制：勵(lì)磁控制器對(duì)發(fā)電機(jī)組的勵(lì)磁電流進(jìn)行控制，保證其符合發(fā)電機(jī)的運(yùn)行要求。在發(fā)電機(jī)組運(yùn)行過程中，勵(lì)磁控制器會(huì)實(shí)時(shí)監(jiān)測(cè)勵(lì)磁電流的大小，并根據(jù)預(yù)設(shè)的調(diào)節(jié)算法對(duì)其進(jìn)行調(diào)整，確保電流穩(wěn)定。

無功功率分配：在并聯(lián)運(yùn)行的發(fā)電機(jī)組中，勵(lì)磁控制器負(fù)責(zé)合理分配無功功率。通過精確控制各發(fā)電機(jī)組的勵(lì)磁電流，勵(lì)磁控制器可以實(shí)現(xiàn)無功功率的合理分配，提高電力系統(tǒng)的穩(wěn)定性。

穩(wěn)定性控制：勵(lì)磁控制器能夠提高發(fā)電機(jī)組的穩(wěn)定性。通過實(shí)時(shí)監(jiān)測(cè)發(fā)電機(jī)組的運(yùn)行狀態(tài)，勵(lì)磁控制器可以快速響應(yīng)各種擾動(dòng)，如負(fù)載變化、參數(shù)波動(dòng)等，及時(shí)調(diào)整勵(lì)磁電流，確保發(fā)電機(jī)組運(yùn)行的穩(wěn)定。

故障處理：當(dāng)發(fā)電機(jī)組出現(xiàn)故障時(shí)，勵(lì)磁控制器能夠迅速響應(yīng)，執(zhí)行滅磁操作，降低故障損失。同時(shí)，勵(lì)磁控制器還可以觸發(fā)報(bào)警和保護(hù)機(jī)制，通知運(yùn)維人員及時(shí)處理故障，保障發(fā)電機(jī)組的安全運(yùn)行。

自動(dòng)調(diào)節(jié)：勵(lì)磁控制器具有自動(dòng)調(diào)節(jié)功能，可以根據(jù)發(fā)電機(jī)組的運(yùn)行需求和電力系統(tǒng)參數(shù)進(jìn)行自動(dòng)調(diào)節(jié)。這大大減輕了運(yùn)維人員的工作負(fù)擔(dān)，提高了發(fā)電機(jī)組的運(yùn)行效率。

綜上所述，UAD155A0111 3BHE029110R0111 勵(lì)磁控制器在發(fā)電機(jī)組中起著至關(guān)重要的作用，是保證發(fā)電機(jī)組穩(wěn)定、高效、安全運(yùn)行的關(guān)鍵設(shè)備之一。

UAD155A0111 3BHE029110R0111 勵(lì)磁控制器對(duì)發(fā)電機(jī)組的勵(lì)磁電流進(jìn)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.

 

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