發電機不發電可能由多種原因造成，以下是一些常見的原因及其簡要說明：

　　The failure of a generator to generate electricity may be caused by various reasons. The following are some common reasons and their brief explanations:

　　剩磁問題 ：

　　Residual magnetism issue:

　　新裝的發電機在長途運輸或長時間靜置后，鐵芯剩磁可能異常。

　　The residual magnetism of the iron core of a newly installed generator may be abnormal after long-distance transportation or prolonged standing.

　　剩磁電壓低于正常值（線電壓低于10V，相電壓小于6V）可能導致發電機無法正常發電。

　　The residual voltage below the normal value (line voltage below 10V, phase voltage below 6V) may cause the generator to fail to generate electricity normally.

　　電路錯誤 ：

　　Circuit error:

　　勵磁繞組極性反轉或誤操作導致電阻測量錯誤，可能造成剩磁消失。

　　The polarity reversal or misoperation of the excitation winding may cause measurement errors in resistance, which may result in the disappearance of residual magnetism.

　　電路堵塞與連接問題，如勵磁電路中的接觸不良或電線松動斷裂，可能導致電流中斷。

　　Circuit blockage and connection issues, such as poor contact or loose or broken wires in the excitation circuit, may cause current interruption.

　　旋轉整流器問題 ：

　　Rotating rectifier issue:

　　如果旋轉整流器的直流側電路出現故障，交流勵磁機無法提供勵磁電流。

　　If the DC side circuit of the rotating rectifier malfunctions, the AC exciter cannot provide excitation current.

　　發電機過熱 ：

　　Generator overheating:

　　過熱可能由多種原因引起，如負載過大、冷卻系統故障等。

　　Overheating may be caused by various reasons, such as excessive load, cooling system failure, etc.

　　勵磁回路接線錯誤 ：

　　Excitation circuit wiring error:

　　勵磁繞組的極性接反或在測量勵磁繞組的DC電阻時未注意極性，可能導致剩磁消失。

　　Reversing the polarity of the excitation winding or not paying attention to the polarity when measuring the DC resistance of the excitation winding may result in the disappearance of residual magnetism.

　　勵磁回路電路不通 ：

　　The excitation circuit is not connected:

　　電氣接觸不良、接線頭松脫或引線斷裂，造成電路中斷。

　　Poor electrical contact, loose connectors, or broken leads can cause circuit interruption.

　　旋轉整流器DC側的電路中斷 ：

　　Circuit interruption on the DC side of the rotating rectifier:

　　旋轉整流器直流側電路中斷，導致交流勵磁機無法提供勵磁電流。

　　The DC side circuit of the rotating rectifier is interrupted, causing the AC exciter to be unable to provide excitation current.

　　發電機皮帶打滑 ：

　　Generator belt slippage:

　　皮帶打滑會導致發電機無法將動力傳遞給發動機，進而無法發電。

　　Belt slippage can cause the generator to be unable to transmit power to the engine, resulting in the inability to generate electricity.

　　發電機勵磁繞組故障 ：

　　Generator excitation winding fault:

　　勵磁繞組損壞或故障可能導致發電機無法產生足夠的磁場。

　　Damage or malfunction of the excitation winding may result in the generator being unable to generate sufficient magnetic field.

　　電壓調節器故障 ：

　　Voltage regulator malfunction:

　　電壓調節器故障可能導致發電機輸出電壓不穩定或不正確。

　　Voltage regulator malfunction may cause unstable or incorrect output voltage of the generator.

　　電瓶損壞 ：

　　Battery damage:

　　電瓶無法提供足夠的啟動電源或充電，影響發電機的正常啟動和運行。

　　The battery cannot provide sufficient starting power or charging, which affects the normal starting and operation of the generator.

　　定子繞組絕緣擊穿或短路 ：

　　Insulation breakdown or short circuit of stator winding:

　　定子繞組絕緣損壞或發生短路，會導致電流無法通過，發電機無法發電。

　　The insulation damage or short circuit of the stator winding can cause the current to be unable to pass through, and the generator cannot generate electricity.

　　定子鐵芯松馳 ：

　　Loosening of stator core:

　　定子鐵芯松馳可能影響發電機的磁通，進而影響發電效率。

　　The looseness of the stator core may affect the magnetic flux of the generator, thereby affecting the power generation efficiency.

　　三相負載不平衡 ：

　　Unbalanced three-phase load:

　　三相負載不平衡可能導致某一相過熱，影響發電機的正常運行。

　　Unbalanced three-phase loads may cause one phase to overheat, affecting the normal operation of the generator.

　　功率不足 ：

　　Insufficient power:

　　如果發電機的功率不足以滿足負載需求，可能無法正常發電。

　　If the power of the generator is not sufficient to meet the load demand, it may not be able to generate electricity normally.

　　以上列出的原因并非詳盡無遺，實際情況可能因具體設備和使用環境的不同而有所差異。如果發電機出現不發電的情況，建議聯系專業的維修人員進行檢查和維修

　　The reasons listed above are not exhaustive, and the actual situation may vary depending on the specific equipment and usage environment. If the generator fails to generate electricity, it is recommended to contact professional maintenance personnel for inspection and repair

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　　This article is assisted by coking power generation units. For more related content, please click: http://www.hdlelisa.com I hope this article can be helpful to you. Thank you for reading!