冷卻水溫度高

　　High cooling water temperature

　　現象：站控值班人員發現燃氣發電機水溫偏高，相關人員隨即赴現場對發電機組進行檢查，風扇等冷卻系統正常，控制面板無報警。半小時之后，上位機出現該燃氣發電機冷卻水溫度高報警， 進而造成停機。

　　Phenomenon: The station control duty personnel found that the water temperature of the gas generator was too high. Relevant personnel immediately went to the site to inspect the generator set. The cooling system such as the fan was normal, and there was no alarm on the control panel. Half an hour later, the upper computer triggered a high temperature alarm for the cooling water of the gas generator, resulting in a shutdown.

　　造成此次冷卻水溫度高原因分析：該燃氣發電機正常運行時冷卻水溫度在89℃左右，當負載有較大幅度的提升時，冷卻水溫度隨即上升，超過臨界值導致報警停機。

　　Analysis of the reasons for the high cooling water temperature this time: When the gas generator is running normally, the cooling water temperature is around 89 ℃. When the load increases significantly, the cooling water temperature immediately rises, exceeding the critical value and causing an alarm shutdown.

　　其他原因分析：（1）冷卻水管路存在結垢現象，導致冷卻水散熱不佳；（2）冷卻風扇電機損壞，導致散熱不佳；（3）節溫器卡住或者其他原因導致未打開；（4）冷卻水管路或者接頭處漏水，冷卻水自然損耗液位降低導致冷卻水缺失；（5）冷卻水溫度傳感器故障，導致檢測結果失準。

　　Other reasons analysis: (1) There is scaling in the cooling water pipeline, which leads to poor heat dissipation of the cooling water; (2) The cooling fan motor is damaged, resulting in poor heat dissipation; (3) The thermostat is stuck or not opened due to other reasons; (4) Leakage at the cooling water pipeline or joint, resulting in natural loss of cooling water and a decrease in liquid level, leading to a shortage of cooling water; (5) The cooling water temperature sensor has malfunctioned, resulting in inaccurate detection results.

　　功率轉換模塊故障

　　Power conversion module malfunction

　　現象：現場燃氣發電機奇才控制屏顯示“逆功”故障報警停機。站控上位機發電機功率曲線在停機瞬間有一處異常跳變現象。

　　Phenomenon: The control screen of the on-site gas generator shows a "reverse power" fault alarm and shutdown. There is an abnormal jump phenomenon in the power curve of the generator on the station control upper computer at the moment of shutdown.

　　原因分析：相關人員查看現場接線柜，檢測功率轉換模塊，4～20mA輸出存在問題。經過分析，可能沖擊電流導致功率轉換器故障。

　　Cause analysis: Relevant personnel inspected the on-site wiring cabinet, tested the power conversion module, and found that there was a problem with the 4-20mA output. After analysis, it is possible that the surge current caused the power converter to malfunction.

　　電機控制故障

　　Motor control malfunction

　　現象：奇才控制屏顯示“Motor Control Fault”故障報警信息。

　　Phenomenon: The Qicai control screen displays a "Motor Control Fault" fault alarm message.

　　原因分析：根據顯示屏提示的消息，打開燃氣發電機組電機控制柜，經過檢查陸續排除接線松動及其他部件的損壞情況，針對IMO TDMD-X延時繼電器進行檢測，發現延時繼電器ATR上電到指定時間后不能正常吸合，確認為延時繼電器故障。更換延時繼電器之后，燃氣發電機正常運行。

　　Cause analysis: According to the message displayed on the screen, open the motor control cabinet of the gas generator set, and after inspection, gradually eliminate loose wiring and damage to other components. Conduct a test on the IMO TDMD-X delay relay and find that the ATR delay relay cannot be closed normally after being powered on for the specified time, confirming a fault in the delay relay. After replacing the delay relay, the gas generator operated normally.

　　其他原因分析：冷卻風扇故障。由于冷卻風扇長時間運轉，軸承可能變形導致風扇不工作， 此種情況同樣會引起電機控制故障報警。

　　Other cause analysis: Cooling fan malfunction. Due to prolonged operation of the cooling fan, the bearings may deform and cause the fan to malfunction, which can also trigger motor control failure alarms.

　　啟機失敗

　　Startup failed

　　現象：燃氣發電機在啟動怠速轉動一陣子后自動停機。

　　Phenomenon: The gas generator automatically shuts down after idling for a while.

　　原因分析：（1）蓄電池電壓不足以帶動燃氣發電機啟機；（2）燃氣發電機燃氣管線至燃燒室之間的管路富含燃氣，空氣不足，不足以點火燃燒；（3）點火系統故障，如點火線圈故障，火花塞受潮，火花塞端部孔隙堵塞；（4）啟動馬達故障；（5）氣源壓力不足；（6）熱備系統未投用，導致燃氣發電機本體溫度過低；（7）陰潮環境，應注意燃氣發電機的定期熱機。

　　Reason analysis: (1) Insufficient battery voltage to drive the gas generator to start; (2) The pipeline between the gas pipeline of the gas generator and the combustion chamber is rich in gas, and there is insufficient air to ignite combustion; (3) Ignition system malfunction, such as ignition coil failure, spark plug moisture, and blockage of spark plug end pores; (4) Start motor malfunction; (5) Insufficient gas source pressure; (6) The hot standby system has not been put into use, resulting in a low temperature of the gas generator body; (7) In cloudy and humid environments, attention should be paid to the regular heating of gas generators.

　　爆震

　　detonation

　　現象：現場控制屏出現“Knocking”故障報警信息。

　　Phenomenon: A "Knocking" fault alarm message appears on the on-site control screen.

　　原因分析：（1）氣缸燃燒室內積碳過多，容易在積碳表面形成高溫著火點；（2）點火提前角過于提前，導致點火引燃混合燃氣的時間早于活塞到達上止點的時間，從而在活塞壓縮沖程中壓力急劇升高導致爆燃的發生。同時，爆燃產生的壓力作用于活塞，影響活塞的沖程，導致爆震現象；（3）冷卻水溫度過高導致發動機機體溫度高，散熱不良，產生高溫而發生爆震；（4）空燃比不正確等其他情況。

　　Cause analysis: (1) Excessive carbon deposition in the combustion chamber of the cylinder can easily form high-temperature ignition points on the surface of the carbon deposition; (2) The ignition advance angle is too early, resulting in the ignition of the mixed gas earlier than the time when the piston reaches the top dead center, leading to a sharp increase in pressure during the piston compression stroke and the occurrence of detonation. At the same time, the pressure generated by detonation acts on the piston, affecting its stroke and causing detonation phenomenon; (3) Excessive cooling water temperature leads to high engine body temperature and poor heat dissipation, resulting in high temperature and detonation; (4) Incorrect air-fuel ratio and other situations.

　　機組不能正常帶載

　　The crew cannot carry the load normally

　　現象：機組在切機加載過程中不能同步并機，無法帶載運行。

　　Phenomenon: The unit cannot synchronize and operate with load during the cutting and loading process.

　　原因分析：（1）燃氣發電機輸出空氣開關是否閉合狀態；（2）發電機出口斷路器系統GCB 復位按鈕是否彈出，如果彈出，直接按壓，然后再進行同步并機加載。

　　Reason analysis: (1) Whether the output air switch of the gas generator is closed; (2) Does the GCB reset button of the generator outlet circuit breaker system pop up? If it pops up, press it directly and then perform synchronous parallel loading.

　　低油壓報警

　　Low oil pressure alarm

　　現象：站控上位機系統出現燃氣發電機低油壓報警，參照Wilson PG345B3型燃氣發電機正常運行時油壓基本處于4.5MPa左右。

　　Phenomenon: The station control upper computer system has a low oil pressure alarm for the gas generator. Referring to the normal operation of Wilson PG345B3 gas generator, the oil pressure is basically around 4.5MPa.

　　原因分析：（1）機油管路滲漏導致機油壓力降低；（2）機油泵密封損壞或者機械損壞，導致 機油泄漏；（3）機油壓力探頭損壞，數據傳導出錯。機油壓力探頭安裝在燃氣發電機機油濾芯附近，在震動環境下易損壞，可以考慮將機油壓力探頭移出本體，架設在一個相對震動不大的地方，以延長探頭的使用壽命，減少故障發生。

　　Cause analysis: (1) Leakage in the oil pipeline leads to a decrease in oil pressure; (2) Oil pump seal damage or mechanical damage, resulting in oil leakage; (3) The oil pressure probe is damaged and the data transmission is incorrect. The oil pressure probe is installed near the oil filter element of the gas generator, which is prone to damage in a vibrating environment. It can be considered to remove the oil pressure probe from the body and install it in a relatively low vibration area to extend the service life of the probe and reduce the occurrence of faults.

　　防范措施

　　preventive measures

　　加強日常巡檢

　　Strengthen daily inspections

　　每日定點巡檢，檢查機組的各項參數，上位機系統可設置報警值。檢查燃氣發電機 的轉速、頻率、出口電壓、功率、機油壓力、冷卻水溫度以及蓄電池電壓等參數。現場查看燃氣發電機冷卻風扇的運轉情況，冷卻水管路和機油管路的滲漏情況，同時查看機油液位和冷卻水液位。現場辨聽燃氣發電機運行時有無異常聲響。手持測溫槍對冷卻風扇電機殼和氣缸進行溫度檢測。

　　Daily fixed-point inspection, focusing on checking various parameters of the unit, and the upper computer system can set alarm values. Focus on checking parameters such as speed, frequency, outlet voltage, power, oil pressure, cooling water temperature, and battery voltage of the gas generator. On site inspection of the operation of the cooling fan of the gas generator, leakage of the cooling water pipeline and oil pipeline, as well as checking the oil and cooling water levels. Listen for any abnormal sounds during the operation of the gas generator on site. Use a handheld thermometer to measure the temperature of the cooling fan motor casing and cylinder.

　　維護保養

　　maintenance

　　參考Wilson廠商提供的燃氣發電機維保手冊，結合現場實際運營經驗，制定并嚴格執行合規的維保規程。維保級別一般有首保，500h維保，1000h維保，2000h維保，4000h維保，8000h維保以及中修和大修維保。不同的維保級別對應不同的項目檢查和部件更換。維保要做到，檢查氣門間隙，氣門凸出量調整，曲軸箱呼吸器清潔，火花塞檢查，正時傳感器清潔，延時繼電器和其他電氣元件的檢查，水路和油路的檢查等。同時，控制系統接線松緊度以及各傳感器探頭的檢查校準。

　　Based on the maintenance manual provided by Wilson manufacturer for gas generators and combined with on-site operational experience, develop and strictly implement compliant maintenance procedures. The maintenance levels generally include first maintenance, 500h maintenance, 1000h maintenance, 2000h maintenance, 4000h maintenance, 8000h maintenance, as well as medium and major maintenance. Different maintenance levels correspond to different project inspections and component replacements. Maintenance should be comprehensive, with a focus on checking valve clearances, adjusting valve protrusion, cleaning crankcase respirators, checking spark plugs, cleaning timing sensors, checking delay relays and other electrical components, and inspecting water and oil circuits. At the same time, check and calibrate the tightness of the control system wiring and the probes of each sensor.

　　意外事件記錄分析

　　Analysis of Unexpected Event Records

　　生產運營過程中難免會遇到燃氣發電機意外停機現象，對故障問題的精準判斷直接關系到生 產經營活動的恢復快慢。在燃氣發電機組運行過程中，注重常見故障和其他故障的分類總結、歸類，制定一套事件應急處置卡，針對不同的故障類型編制不同的操作要求及部件更換。經過長期的意外停機事件積累，對于燃氣發電機的故障處理能力會有明顯的提升。

　　During the production and operation process, it is inevitable to encounter unexpected shutdowns of gas generators, and accurate diagnosis of the fault directly affects the speed of recovery of production and operation activities. During the operation of gas generator sets, attention should be paid to the classification and summary of common and other faults, and a set of emergency response cards should be developed. Different operation requirements and component replacement should be formulated for different types of faults. After long-term accumulation of unexpected shutdown events, the fault handling ability of gas generators will be significantly improved.

　　加強人員培訓考核加強站場相關人員對燃氣發電機的掌握，逐步提高意外停機事件的應急響應機制和處理能力。通過崗位練兵和培訓考核，保證專業人員對燃氣發電機的熟悉掌握。同時，可以定期舉辦人員交流，分享彼此燃氣發電機運維經驗。

　　Strengthen personnel training and assessment, enhance the mastery of gas generators by station personnel, and gradually improve the emergency response mechanism and handling capabilities for unexpected shutdown events. Through job training and assessment, ensure that professionals are familiar with and proficient in gas generators. At the same time, regular personnel exchanges can be held to share each other's experience in gas generator operation and maintenance.

　　其他設備管理提升方面

　　Improvement in other device management aspects

　　針對站場燃氣發電機的實際情況，鼓勵相關人員提升設備管理能力。由于Wilson燃氣發電機的監測系統并不完善，可以增設各種傳感器探頭完善相關的監測功能，比如缸溫缸壓，廢氣溫度及燃燒點火時間等。同時，可以開發專用軟件用于監測燃氣發電機其他參數，比如維保參數，部件使用壽命參數等，可以合理有效地加強設備的管理水平，降低故障的發生。

　　Encourage relevant personnel to improve their equipment management capabilities based on the actual situation of gas generators in the station. Due to the incomplete monitoring system of Wilson gas generators, various sensor probes can be added to improve related monitoring functions, such as cylinder temperature and pressure, exhaust gas temperature, and combustion ignition time. At the same time, specialized software can be developed to monitor other parameters of gas generators, such as maintenance parameters, component service life parameters, etc., which can effectively strengthen the management level of equipment and reduce the occurrence of faults.

　　結束語

　　Conclusion

　　綜上所述，導致Wilson燃氣發電機運行故障有多種原因，為了減少故障問題的發生，需要加強相關人員的培訓，嚴格執行巡檢要求和維護保養規程。同時，善于總結各類故障問題，加強故障診斷能力，保障燃氣發電機的安全平穩運行。

　　In summary, there are multiple reasons for the operation failure of Wilson gas generators. In order to reduce the occurrence of failure problems, it is necessary to strengthen the training of relevant personnel, strictly implement inspection requirements and maintenance procedures. At the same time, being good at summarizing various fault problems, strengthening fault diagnosis capabilities, and ensuring the safe and stable operation of gas generators.

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