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常見(jiàn)問(wèn)題解答

燃?xì)獍l(fā)電機(jī)組為什么會(huì)失磁，如何處理

返回 2020.05.15 來(lái)源：http://www.51credits.cn 0
　　燃?xì)獍l(fā)電機(jī)組失磁是指發(fā)電機(jī)剩余磁性的消失。剩磁是指鐵磁材料在磁化過(guò)程中，外部磁場(chǎng)消失后，鐵磁材料所保留的磁場(chǎng)。發(fā)電機(jī)的剩磁是指固定轉(zhuǎn)子鐵心停堆后的剩磁。
　　Loss of excitation of gas generator unit refers to the disappearance of residual magnetism of generator. Remanence refers to the magnetic field retained by ferromagnetic materials when the external magnetic field disappears in the process of magnetization. The remanence of generator refers to the remanence of fixed rotor core after shutdown.
　　為什么在燃?xì)獍l(fā)電機(jī)組中必須有剩磁?
　　Why is it necessary to have remanence in gas generator set?
燃?xì)獍l(fā)電機(jī)組
　　對(duì)于自激發(fā)電機(jī)，將剩余磁場(chǎng)產(chǎn)生的電供給轉(zhuǎn)子繞組，加強(qiáng)轉(zhuǎn)子磁場(chǎng)，通過(guò)正反饋逐漸提高發(fā)電機(jī)的輸出電壓，直到更終達(dá)到額定電壓。如果沒(méi)有剩磁，發(fā)電機(jī)就不能發(fā)電。
　　For the self excitation motor, the electricity generated by the residual magnetic field is supplied to the rotor winding, the rotor magnetic field is strengthened, and the output voltage of the generator is gradually increased through positive feedback until the rated voltage is finally reached. If there is no remanence, the generator cannot generate electricity.
　　燃?xì)獍l(fā)電機(jī)組失磁的原因是什么?
　　What is the reason for the loss of excitation of gas generator set?
　　1)不需要長(zhǎng)時(shí)間發(fā)電，導(dǎo)致鐵芯在出廠前的剩磁損失。勵(lì)磁繞組不能建立適當(dāng)?shù)拇艌?chǎng)。此時(shí)，發(fā)電機(jī)運(yùn)轉(zhuǎn)正常，但不發(fā)電。
　　1) It does not need long time to generate electricity, which leads to the remanence loss of iron core before leaving the factory. The excitation winding cannot establish a proper magnetic field. At this time, the generator operates normally, but does not generate electricity.
　　2)當(dāng)發(fā)電機(jī)停止時(shí)，先停止原動(dòng)機(jī)(柴油機(jī)、汽油機(jī)等)，再切斷負(fù)載(電器)。這樣，鐵芯中的剩磁就會(huì)被消耗掉，導(dǎo)致發(fā)電機(jī)失磁。
　　2) When the generator stops, first stop the prime mover (diesel engine, gasoline engine, etc.) and then cut off the load (electrical appliances). In this way, the residual magnetism in the core will be consumed, resulting in the loss of excitation of the generator.
　　如何處理發(fā)電機(jī)的損失?
　　How to deal with the loss of generator?
　　1)斷開(kāi)自動(dòng)調(diào)壓器(AVR)與勵(lì)磁機(jī)定子繞組的連接;2)將24V電壓的直流電源(如電池)連接到勵(lì)磁機(jī)定子繞組上(注意兩者的正極和負(fù)極應(yīng)相互對(duì)應(yīng));3)啟動(dòng)發(fā)電機(jī)組，以額定轉(zhuǎn)速運(yùn)行一段時(shí)間。
　　1) Disconnect the connection between the AVR and the stator winding of the exciter; 2) connect the 24V DC power supply (such as battery) to the stator winding of the exciter (note that the positive and negative poles of the two should correspond to each other); 3) start the generator set to operate at the rated speed for a period of time.
　　以上是燃?xì)獍l(fā)電機(jī)組廠家為大家介紹的相關(guān)內(nèi)容，想要了解更多內(nèi)容，歡迎訪問(wèn)網(wǎng)站：http://www.51credits.cnThe above is the relevant content introduced by the gas generator manufacturer for you. To learn more, please visit the website: http://www.51credits.cn

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燃?xì)獍l(fā)電機(jī)組為什么會(huì)失磁，如何處理

　　燃?xì)獍l(fā)電機(jī)組失磁是指發(fā)電機(jī)剩余磁性的消失。剩磁是指鐵磁材料在磁化過(guò)程中，外部磁場(chǎng)消失后，鐵磁材料所保留的磁場(chǎng)。發(fā)電機(jī)的剩磁是指固定轉(zhuǎn)子鐵心停堆后的剩磁。
　　Loss of excitation of gas generator unit refers to the disappearance of residual magnetism of generator. Remanence refers to the magnetic field retained by ferromagnetic materials when the external magnetic field disappears in the process of magnetization. The remanence of generator refers to the remanence of fixed rotor core after shutdown.
　　為什么在燃?xì)獍l(fā)電機(jī)組中必須有剩磁?
　　Why is it necessary to have remanence in gas generator set?
燃?xì)獍l(fā)電機(jī)組
　　對(duì)于自激發(fā)電機(jī)，將剩余磁場(chǎng)產(chǎn)生的電供給轉(zhuǎn)子繞組，加強(qiáng)轉(zhuǎn)子磁場(chǎng)，通過(guò)正反饋逐漸提高發(fā)電機(jī)的輸出電壓，直到更終達(dá)到額定電壓。如果沒(méi)有剩磁，發(fā)電機(jī)就不能發(fā)電。
　　For the self excitation motor, the electricity generated by the residual magnetic field is supplied to the rotor winding, the rotor magnetic field is strengthened, and the output voltage of the generator is gradually increased through positive feedback until the rated voltage is finally reached. If there is no remanence, the generator cannot generate electricity.
　　燃?xì)獍l(fā)電機(jī)組失磁的原因是什么?
　　What is the reason for the loss of excitation of gas generator set?
　　1)不需要長(zhǎng)時(shí)間發(fā)電，導(dǎo)致鐵芯在出廠前的剩磁損失。勵(lì)磁繞組不能建立適當(dāng)?shù)拇艌?chǎng)。此時(shí)，發(fā)電機(jī)運(yùn)轉(zhuǎn)正常，但不發(fā)電。
　　1) It does not need long time to generate electricity, which leads to the remanence loss of iron core before leaving the factory. The excitation winding cannot establish a proper magnetic field. At this time, the generator operates normally, but does not generate electricity.
　　2)當(dāng)發(fā)電機(jī)停止時(shí)，先停止原動(dòng)機(jī)(柴油機(jī)、汽油機(jī)等)，再切斷負(fù)載(電器)。這樣，鐵芯中的剩磁就會(huì)被消耗掉，導(dǎo)致發(fā)電機(jī)失磁。
　　2) When the generator stops, first stop the prime mover (diesel engine, gasoline engine, etc.) and then cut off the load (electrical appliances). In this way, the residual magnetism in the core will be consumed, resulting in the loss of excitation of the generator.
　　如何處理發(fā)電機(jī)的損失?
　　How to deal with the loss of generator?
　　1)斷開(kāi)自動(dòng)調(diào)壓器(AVR)與勵(lì)磁機(jī)定子繞組的連接;2)將24V電壓的直流電源(如電池)連接到勵(lì)磁機(jī)定子繞組上(注意兩者的正極和負(fù)極應(yīng)相互對(duì)應(yīng));3)啟動(dòng)發(fā)電機(jī)組，以額定轉(zhuǎn)速運(yùn)行一段時(shí)間。
　　1) Disconnect the connection between the AVR and the stator winding of the exciter; 2) connect the 24V DC power supply (such as battery) to the stator winding of the exciter (note that the positive and negative poles of the two should correspond to each other); 3) start the generator set to operate at the rated speed for a period of time.
　　以上是燃?xì)獍l(fā)電機(jī)組廠家為大家介紹的相關(guān)內(nèi)容，想要了解更多內(nèi)容，歡迎訪問(wèn)網(wǎng)站：http://www.51credits.cnThe above is the relevant content introduced by the gas generator manufacturer for you. To learn more, please visit the website: http://www.51credits.cn