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電泳電源簡介中英對(duì)照版

1165 人參與 2012年02月09日 00:00 分類 : 電泳設(shè)備電泳設(shè)備工藝評(píng)論

Power Supplies-電源：Rectifiers should be capable of voltage adjustment between 0-500 volts. Operating history has shown a power consumption of approximately 2.5 amp hours/100 ft for current electrocoat products. System design should include an allowance for an additional 50% amperage to provide for future developments. Average current requirements for coating a vehicle can be calculated by using this equation: 整流器電壓能使電壓在0-500V之間可調(diào)，實(shí)踐經(jīng)驗(yàn)表明厚膜電泳漆電流消耗大約為2.5安培 .小時(shí)/100平方英尺，系統(tǒng)設(shè)計(jì)要考慮50%的電流余量以供將來發(fā)展，可用以下公式計(jì)算泳涂一臺(tái)車所需總電流。 Amps Required =(2.5 Amp Hrs/100 Ft ) x (Coatable Surface/Minute) x (60 Minutes/Hr) 所需安培數(shù)=（2.5安培.小時(shí)/100平方英尺）x（能涂的面積/分） x（60分/小時(shí)） Multiply the amps required by 1.5 to determine amplifier size to include the safety factor. The total amperage is divided into two zones; several rectifier modules are used in each zone (see Figure 12). Back-up rectifiers should be included in the design with proper switching to assure that production will be uninterrupted and quality undiminished in the event of rectifier failure. Current-limiting rectifiers are recommended for equipment protection. Variable-time, ramped-voltage circuitry is recommended for starting systems occurring after conveyor stops to prevent current surges which can damage coatings. Ramps of 10-15 seconds from 0 voltage to operating voltage have performed well. The rectifiers should be installed so that no power to the system is present when no production is in the tank (during lunch breaks, e.g.). 考慮安全系數(shù)，這個(gè)安培數(shù)乘以1.5來求出放大的規(guī)格，把總流量分成兩份，每一部分單獨(dú)配整流器（見圖12），設(shè)計(jì)要考慮配有專用及獨(dú)立啟動(dòng)的備用整流器，以確保即使整流器發(fā)生故障時(shí)生產(chǎn)也能繼續(xù)進(jìn)行且質(zhì)量不降低。建議采用限流整流器以保護(hù)設(shè)備?？紤]停鏈之后工藝槽中有工件在重新啟動(dòng)，要求有可調(diào)時(shí)間的漸升電壓電路，這樣的電路可防止電流脈沖損壞涂層繼電器設(shè)備，從零伏升到工作電壓的升壓時(shí)間以10-15秒較好，要裝有能控制不生產(chǎn)時(shí)（如午餐等）不為系統(tǒng)供電的控制器。 The degree of "smoothness of power" or ripple delivered by a rectifier is important. The D.C. power should be filtered such that the magnitude of peak voltages does not exceed 5% of the average D.C. with a voltage ripple of less than 5% under all load conditions. 整流器“供電平穩(wěn)”度或輸出脈動(dòng)率很重要，直流電要經(jīng)濾波，電壓脈沖幅度不超過平均直流電壓的5%，滿負(fù)荷情況下，電壓脈動(dòng)率要小于5%。 Ripple is defined as: 脈動(dòng)率定義為： 100 x RMS Voltage of the A.C. Wave on the D.C. / the Average D.C. 100 x在直流電壓上的有效交流電壓/平均直流電壓 Grounded power-on entry provides the greatest personal safety, the least complicated switching system, and the longest coating times on lower body areas. It also reduces arcing and pitting of shoes and contact skids. 工件帶接地電壓入槽提供了最大的人身安全性，使開關(guān)系統(tǒng)更簡化，且能得到對(duì)車身下部最長的電泳時(shí)間，同時(shí)也能減少電弧放電和燒壞電制，滑架等事故。

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