The generator set is a complete set of mechanical equipment that converts other forms of energy into electric energy. It has low oil consumption, low emissions, low noise, advanced technology, reliable work, convenient maintenance, long service life, lightweight portability, high emergency efficiency, and low comprehensive cost. It is widely used in industrial and agricultural production, national defense, science and technology and daily life.

近年來隨著技術(shù)進(jìn)步，作為家庭應(yīng)急電源及野外出行電源的選擇，由于發(fā)電機(jī)組本身所能供電范圍有限，且使用場(chǎng)所可以方便更換；雷雨天氣可以放置于戶內(nèi)，但有些時(shí)候發(fā)電機(jī)組是需要在戶外使用的，遇到惡劣的天氣就會(huì)涉及到設(shè)備的防雷保護(hù)，那么發(fā)電機(jī)組的防雷保護(hù)需要有哪些具體的步驟呢？

In recent years, with the progress of technology, as the choice of household emergency power supply and outdoor travel power supply, the power supply range of the generator set itself is limited, and the place of use can be easily replaced; In thunderstorm weather, the generator set can be placed indoors, but sometimes it needs to be used outdoors. In case of bad weather, the lightning protection of the equipment will be involved. What specific steps should be taken for the lightning protection of the generator set?

需要確定發(fā)電機(jī)組的防雷保護(hù)方式主要應(yīng)根據(jù)發(fā)電機(jī)容量的大小、當(dāng)?shù)乩纂娀顒?dòng)的強(qiáng)弱和對(duì)供電可靠性的要求。

Firstly, it is necessary to determine the lightning protection mode of the generator set mainly according to the size of the generator capacity, the strength of local lightning activities and the requirements for power supply reliability.

理論和實(shí)踐證明，經(jīng)過變壓器再與架空輸電線連接的發(fā)電機(jī)組，只要可靠地保護(hù)了變壓器，一般就不需要對(duì)發(fā)電機(jī)組再采取防雷保護(hù)措施，在多雷區(qū)，無架空直配線的特別重要的發(fā)電機(jī)組，為防止變壓器高壓側(cè)的雷電波經(jīng)過變壓器危及發(fā)電機(jī)的絕緣，宜在發(fā)電機(jī)的出線上裝設(shè)一組磁吹避雷器。

Theory and practice have proved that as long as the transformer is reliably protected for the generator set connected to the overhead transmission line through the transformer, it is generally unnecessary to take lightning protection measures for the generator set. In the lightning prone area, for the particularly important generator set without overhead direct wiring, in order to prevent the lightning wave at the high voltage side of the transformer from passing through the transformer and endangering the insulation of the generator, a group of magnetic blow arresters should be installed on the outgoing line of the generator.

直接與架空配電線路連接的發(fā)電機(jī)組進(jìn)行防雷保護(hù)，應(yīng)根據(jù)國家標(biāo)準(zhǔn)設(shè)計(jì)規(guī)范的規(guī)定，按不同情況對(duì)發(fā)電機(jī)組絕緣采取不同的防雷保護(hù)措施。保護(hù)高壓旋轉(zhuǎn)電機(jī)用的避雷器，一般采用磁吹避雷器，避雷器宜靠近發(fā)電機(jī)組。在一般情況下，避雷器可裝在電機(jī)出線處；

For lightning protection of generator units directly connected with overhead distribution lines, different lightning protection measures shall be taken for generator unit insulation according to different conditions according to the provisions of national standard design specifications. The lightning arrester used to protect high-voltage rotating motor generally adopts magnetic blowing lightning arrester, which should be close to the generator set. In general, the lightning arrester can be installed at the outlet of the motor;

如接在每一組母線上的發(fā)電機(jī)不超過兩臺(tái)，或單機(jī)容量不超過500kw，且與避雷器的距離不超過50m時(shí)，避雷器也可裝在每一組母線上當(dāng)直配電機(jī)中性點(diǎn)能引出且未直接接地時(shí)，應(yīng)在中性點(diǎn)上裝設(shè)磁吹或普通閥型避雷器。戶外使用發(fā)電機(jī)組一定要注意防雷，確保人身安全。

If no more than two generators are connected to each group of buses, or the single unit capacity is no more than 500kw, and the distance from the arrester is no more than 50m, the arrester can also be installed on each group of buses. When the neutral point of the direct distribution motor can be led out and is not directly grounded, the magnetic blow or ordinary valve type arrester should be installed on the neutral point. When using generator set outdoors, pay attention to lightning protection to ensure personal safety.

很多客戶購買柴油發(fā)電機(jī)組作為備用電源，一年才會(huì)用上幾次。如果柴油發(fā)電機(jī)組處于長期停運(yùn)狀態(tài)不進(jìn)行正確保養(yǎng)，將會(huì)導(dǎo)致需要使用時(shí)卻發(fā)現(xiàn)發(fā)電機(jī)啟動(dòng)不了。那么柴油發(fā)電機(jī)組處于長期停運(yùn)狀態(tài)，有什么需要注意的事項(xiàng)呢？

Many customers buy diesel generator sets as standby power supply, which can only be used several times a year. If the diesel generator set is shut down for a long time without proper maintenance, it will be found that the generator cannot be started when it is needed. So what should we pay attention to when the diesel generator set is in a long-term shutdown state?

一、封存前

1、 Before sealing

1、在一次柴油發(fā)電機(jī)組使用后，在熱態(tài)下放盡柴油發(fā)電機(jī)組潤滑油，包括機(jī)油濾清器中的機(jī)油。因冷卻液具有防銹功能，不需要排放。向曲軸箱內(nèi)加入合格的規(guī)定容量的封存油，起動(dòng)柴油發(fā)電機(jī)組至怠速，運(yùn)轉(zhuǎn)1-1.5min即行停車，然后從油底殼中放出封存油。發(fā)動(dòng)機(jī)內(nèi)部封存油為經(jīng)脫水的CF級(jí)15W/40潤滑油。

1. After the primary diesel generator set is used, drain the lubricating oil of the diesel generator set in the hot state, including the oil in the oil filter. As the coolant has rust prevention function, it does not need to be drained. Fill the crankcase with qualified sealing oil of specified capacity, start the diesel generator set to idle speed, run for 1-1.5 min and then stop the engine, and then drain the sealing oil from the oil pan. The sealing oil inside the engine is the dehydrated CF grade 15W/40 lubricating oil.

2、清理干凈柴油發(fā)電機(jī)組表面，檢查無可見的臟物、油污、銹跡、水跡等，然后用壓縮空氣吹干；用毛刷將防銹油均勻涂在所有柴油發(fā)電機(jī)組金屬表面機(jī)加工表面（即未噴漆的機(jī)加工表面）上；注意橡膠件、塑料件及纖維織物類零件表面禁止涂防銹油或防銹油接觸。

2. Clean the surface of the diesel generator set, check that there is no visible dirt, oil stain, rust, water stain, etc., and then dry it with compressed air; Use a brush to evenly apply the antirust oil on the machined surface of all the metal surfaces of the diesel generator set (that is, the unpainted machined surface); Note that the surface of rubber parts, plastic parts and fiber fabric parts shall not be coated with antirust oil or contacted with antirust oil.

注意：附件驅(qū)動(dòng)帶輪表面需采取一定防銹措施。

Note: certain rust prevention measures shall be taken for the surface of accessory drive pulley.

發(fā)動(dòng)機(jī)外部封存推薦使用FD615脫水防銹油或滿足下面性能要求的防銹油。

FD615 dehydrated antirust oil or antirust oil meeting the following performance requirements is recommended for engine external storage.

3、斷開蓄電池連接線，清潔端子，涂上一層薄油脂，給蓄電池充電。

3. Disconnect the battery connecting wire, clean the terminal, apply a thin layer of grease to charge the battery.

4、使傳動(dòng)膠帶松弛

4. Slack the drive belt

5、將所有外露氣管、水管或油管管口用防潮紙或氣相防銹紙或聚乙烯塑料薄膜膠帶進(jìn)行封口或包扎，整個(gè)空氣濾清器也應(yīng)由防潮紙封口或包扎。

5. All exposed air pipes, water pipes or oil pipe orifices shall be sealed or wrapped with moisture-proof paper or vapor phase rust proof paper or polyethylene plastic film tape, and the entire air filter shall also be sealed or wrapped with moisture-proof paper.

二、保存期間

2、 Saving period

每月進(jìn)行蓄電池充電。檢查蓄電池液面，需要時(shí)，添加，然后進(jìn)行充電。每月用盤車工具盤動(dòng)曲軸3-4圈。

Charge the battery every month. Check the liquid level of the battery, add it if necessary, and then charge it. Turn the crankshaft 3-4 times a month with the turning tool.

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