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                                                                                                                                                                                                                                          山東寶川自動化設備有限公司

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                                                                                                                                                                                                                                          仔細做好山東變頻器的平時維修保養

                                                                                                                                                                                                                                          瀏覽量:1137? 來源:www.nieuwtg.com??作者:寶川變頻器

                                                                                                                                                                                                                                          山東變頻器維修:仔細做好軟啟動器的平時維修保養以及維修工作中,內容包括按時(如3個月)對軟啟動器開展除灰,重中之重是整流器柜、逆變電源柜和控制箱,必要時可將整流模塊、逆變模塊和控制柜內的線路板拆出后進行除塵。變頻器下進風口、上出風口是否積塵或因積塵過多而堵塞。軟啟動器下進氣口、上通風口是不是積灰或因積塵過多而阻塞。軟啟動器因自身 熱管散熱規定自然通風量大,故運作必須時間之后,面積塵非常比較嚴重,須按時清理除灰。

                                                                                                                                                                                                                                            Shandong Inverter Maintenance: Carefully do the usual maintenance and maintenance work of soft starter, including timely (for example, three months) to carry out the soft starter ash removal, the most important is the rectifier cabinet, inverter power cabinet and control box, if necessary, the rectifier module, inverter module and control cabinet circuit board will be removed after dust removal. Whether the lower air inlet and the upper air outlet of the frequency converter accumulate dust or are blocked by excessive dust accumulation. Is the lower inlet and upper vent of soft starter dirty or blocked by excessive dust? Soft starter has large natural ventilation capacity due to its own heat pipe heat dissipation, so it must be operated after a period of time, the area of dust is very serious, and it must be cleaned up on time.

                                                                                                                                                                                                                                            將軟啟動器前門開啟, 側門拆卸, 認真仔細交、直流電母線有沒有形變、浸蝕、空氣氧化,母線相接處螺釘有沒有松動,各安裝支撐點處牢固螺釘有沒有松動,固定用絕緣片或絕緣柱有無老化開裂或變形,如有應及時更換,重新緊固,對已發生變形的母排須校正后重新安裝。

                                                                                                                                                                                                                                            Open the front door of the soft starter, dismantle the side door, carefully and carefully check whether the AC and DC buses are deformed, eroded, air oxidized, whether the bolts at the junction of buses are loosened, whether the bolts at the installation support points are loosened, whether the insulating sheet or the insulating column are aged, cracked or deformed, if any, timely replacement and re-tightening should be carried out, and the deformed busbar must be corrected after weight. New installation.

                                                                                                                                                                                                                                            對線路板、母排等除塵后,進行必要的防腐處理,涂刷絕緣漆,對已出現局部放電、拉弧的母排須去除其毛刺后,再進行處理。對已絕緣擊穿的絕緣板,須去除其損壞部分,在其損壞附近用相應絕緣等級的絕緣板對其進行隔絕處理,緊固并測試絕緣并認為合格后方可投入使用。

                                                                                                                                                                                                                                            After dust removal of circuit boards and busbar, necessary anti-corrosion treatment is carried out, insulation paint is painted, and burrs of busbar with partial discharge and arc are removed before treatment. The damaged part of the insulating plate that has been broken down must be removed. The insulating plate of corresponding insulation grade should be used to isolate the damaged part. The insulating plate should be tightened and tested, and it can be put into use only after it is considered qualified.

                                                                                                                                                                                                                                            整流器柜、逆變電源柜里電扇運作及旋轉是不是一切正常,關機時,用手旋轉,觀查滾動軸承有沒有卡住或雜聲,必需時拆換滾動軸承或檢修。

                                                                                                                                                                                                                                            Whether the operation and rotation of fans in rectifier cabinet and inverter power cabinet are normal or not, when shutdown, rotate by hand to check whether the rolling bearings are jammed or noisy, and remove or repair the rolling bearings when necessary.

                                                                                                                                                                                                                                            對輸入、整流及逆變、直流輸入快熔進行全面檢查,發現燒毀及時更換。

                                                                                                                                                                                                                                            Full inspection of input, rectification, inversion and DC input fast melting was carried out, and timely replacement was found.

                                                                                                                                                                                                                                            中間直流回路中的電容器有無漏液,外殼有無膨脹、鼓泡或變形,安全閥是否破裂,有條件的可對電容容量、漏電流、耐壓等進行測試,對不符合要求的電容進行更換,對新電容或長期閑置未使用的電容,更換前須對其進行鈍化處理。濾波電容的使用周期一般為5年,對使用時間在5年以上,電容容量、漏電流、耐壓等指標明顯偏離檢測標準的,應酌情部分或全部更換。

                                                                                                                                                                                                                                            If the capacitor in the middle DC circuit leaks, whether the shell expands, bubbles or deforms, whether the safety valve ruptures or not, the capacitance capacity, leakage current and withstand voltage can be tested conditionally, the capacitance that does not meet the requirements can be replaced, and the new capacitor or long-term idle unused capacitor must be passivated before replacement. The service life of the filter capacitor is generally five years. If the capacitance, leakage current and withstand voltage deviate from the test standard, the filter capacitor should be replaced partially or totally as appropriate.

                                                                                                                                                                                                                                            對整流器、逆變電源一部分的二級管、gto用數字萬用表開展電氣檢測,測量其順向、反方向阻值,并在事先制定好的表格內認真做好記錄,看各極間阻值是否正常,同一型號的器件一致性是否良好,必要時進行更換。

                                                                                                                                                                                                                                            The secondary tube and GTO of rectifier and inverter power supply are tested by digital multimeter, and their forward and reverse resistance values are measured. The resistance values between the poles are recorded carefully in the pre-formulated tables to see if they are normal and if the device of the same type is in good consistency, and if necessary, they are replaced.

                                                                                                                                                                                                                                            對a1、a2進線柜內的主接觸器及其它輔助接觸器進行檢查,仔細觀察各接觸器動靜觸頭有無拉弧、毛刺或表面氧化、凹凸不平,發現此類問題應對其相應的動靜觸頭進行更換,確保其接觸安全可靠。

                                                                                                                                                                                                                                            Check the main contactor and other auxiliary contactors in the A1 and A2 wire entry cabinets, carefully observe whether the dynamic and static contacts of each contactor have arc, burr or surface oxidation, uneven, and find that such problems should be replaced corresponding dynamic and static contacts to ensure their safe and reliable contact.

                                                                                                                                                                                                                                            仔細檢查端子排有無老化、松脫,是否存在短路隱性故障,各連接線連接是否牢固,線皮有無破損,各電路板接插頭接插是否牢固。進出主電源線連接是否可靠,連接處有無發熱氧化等現象,接地是否良好。

                                                                                                                                                                                                                                            Check carefully whether the terminal row is aging and loosening, whether there is a hidden fault of short circuit, whether the connection of the connecting wires is firm, whether the wire skin is damaged or not, and whether the plugs and connectors of the circuit boards are firm. Whether the connection of the main power line is reliable, whether there is heating and oxidation at the connection, and whether the grounding is good.

                                                                                                                                                                                                                                            電抗器有無異常鳴叫、振動或糊味。

                                                                                                                                                                                                                                            Whether the reactor has abnormal sound, vibration or paste.http://www.nieuwtg.com


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