沼氣發(fā)電機(jī)組循環(huán)啟-停、無法持續(xù)供電的故障分析涉及多個(gè)可能的原因和解決方法。以下是詳細(xì)的分析：

The fault analysis of the cycle start stop and inability to sustain power supply of biogas generators involves multiple possible causes and solutions. The following is a detailed analysis:

沼氣發(fā)電機(jī)組控制系統(tǒng)故障：

Control system failure of biogas generator set:

在新建雷達(dá)站的電源切換試驗(yàn)中，技術(shù)人員對(duì)沼氣發(fā)電機(jī)組進(jìn)行了空載測(cè)試和模擬測(cè)試。通過這些測(cè)試，基本排除了沼氣發(fā)電機(jī)組本身存在的故障。

In the power switching test of the newly built radar station, technicians conducted no-load and simulation tests on the biogas generator set. Through these tests, the inherent faults of the biogas generator unit have been basically eliminated.

然而，進(jìn)一步分析發(fā)現(xiàn)，沼氣發(fā)電機(jī)組從401# 開關(guān)選取啟動(dòng)信號(hào)是導(dǎo)致故障的直接原因。當(dāng)市電電源或沼氣發(fā)電機(jī)組電源存在時(shí)，401# 開關(guān)均閉合，導(dǎo)致沼氣發(fā)電機(jī)組控制器經(jīng)邏輯運(yùn)算后認(rèn)為啟動(dòng)信號(hào)中斷，從而停止工作。隨后，由于市電電源和沼氣發(fā)電機(jī)組電源均不存在，401# 開關(guān)自動(dòng)斷合，再次發(fā)送啟動(dòng)信號(hào)，導(dǎo)致沼氣發(fā)電機(jī)組控制器自動(dòng)啟動(dòng)工作，形成循環(huán)啟-停。

However, further analysis revealed that selecting the start signal from switch 401 # in the biogas generator set was the direct cause of the malfunction. When the mains power supply or biogas generator set power supply is present, the 401 # switch is closed, causing the biogas generator set controller to consider the start signal interrupted after logical operation and stop working. Subsequently, due to the absence of both the mains power supply and the biogas generator set power supply, the 401 # switch automatically closed and sent a start signal again, causing the biogas generator set controller to automatically start working, forming a cycle of start stop.

沼氣發(fā)電機(jī)組啟動(dòng)信號(hào)取點(diǎn)問題：

Problem with selecting the starting signal for biogas generator set:

沼氣發(fā)電機(jī)組的啟動(dòng)信號(hào)來源存在問題。當(dāng)401# 開關(guān)位于ATS下端時(shí)，其輔助觸點(diǎn)與沼氣發(fā)電機(jī)組控制器的邏輯運(yùn)算不匹配，導(dǎo)致沼氣發(fā)電機(jī)組無法穩(wěn)定運(yùn)行。

There is a problem with the starting signal source of the biogas generator set. When switch 401 is located at the lower end of ATS, its auxiliary contacts do not match the logic operation of the biogas generator controller, resulting in the inability of the biogas generator to operate stably.

這種情況下，需要重新設(shè)計(jì)啟動(dòng)信號(hào)的取點(diǎn)方式，以確保在市電恢復(fù)或沼氣發(fā)電機(jī)組電源失效時(shí)，能夠正確地控制沼氣發(fā)電機(jī)組的啟停。

In this case, it is necessary to redesign the method of selecting the starting signal to ensure that the start and stop of the biogas generator set can be correctly controlled when the mains power is restored or the power supply of the biogas generator set fails.

其他常見故障及解決方法：

Other common faults and solutions:

沼氣發(fā)電機(jī)組在運(yùn)行過程中可能遇到的問題還包括啟動(dòng)困難、怠速不穩(wěn)、動(dòng)力下降、耗氣量高和熱車不易啟動(dòng)等。這些問題通?？梢酝ㄟ^檢查混合器、沼氣供給系統(tǒng)、點(diǎn)火系統(tǒng)、ECU電源、火花塞電極間隙、空氣濾清器等部件來解決。

The problems that biogas generator sets may encounter during operation include difficulty starting, unstable idle speed, decreased power, high gas consumption, and difficulty starting hot vehicles. These issues can usually be resolved by inspecting components such as the mixer, biogas supply system, ignition system, ECU power supply, spark plug electrode gap, air filter, etc.

此外，沼氣發(fā)電機(jī)組的功率異常也可能由供氣回路、測(cè)控回路及其他元件的故障引起。需要從供氣回路、機(jī)械控制回路、電氣測(cè)量回路和電氣控制回路等方面進(jìn)行分析和檢查。

In addition, abnormal power of biogas generators may also be caused by faults in the gas supply circuit, measurement and control circuit, and other components. Analysis and inspection are required from the aspects of gas supply circuit, mechanical control circuit, electrical measurement circuit, and electrical control circuit.

沼氣發(fā)電機(jī)組循環(huán)啟-停、無法持續(xù)供電的故障主要與控制系統(tǒng)和啟動(dòng)信號(hào)取點(diǎn)有關(guān)。通過改進(jìn)啟動(dòng)信號(hào)的邏輯處理和優(yōu)化控制系統(tǒng)的設(shè)計(jì)，可以有效解決這一問題。同時(shí)，定期檢查和維護(hù)設(shè)備也是確保沼氣發(fā)電機(jī)組穩(wěn)定運(yùn)行的重要措施。

The faults of cycle start stop and inability to sustain power supply in biogas generator sets are mainly related to the control system and the starting signal points. By improving the logic processing of the startup signal and optimizing the design of the control system, this problem can be effectively solved. At the same time, regular inspection and maintenance of equipment are also important measures to ensure the stable operation of biogas generators.

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