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電源選型推薦

整個DTU系統(tǒng)的電源解決方案，主要考慮到不間斷供電的問題，所以需要雙電源供電的一個供電形式，主流的供電方式一般是有兩部分組成，一部分是大功率300W或者500W的AC/DC充電電源，這個電源一般兩路輸出，一路給后級的板卡進(jìn)行供電，一方面給后級的蓄電池或者是超級電容進(jìn)行充電；另外的一部分就是蓄電池或者超級電容，這個主要是在市電斷電的情況下，保證整個系統(tǒng)的正常運(yùn)行。另外，電網(wǎng)對于EMC方面的要求比較苛刻，特別是浪涌方面，需要完全滿足4級的要求。主電源和蓄電池都掉電時，系統(tǒng)掉電保持時間500mS以上。

根據(jù)上面的應(yīng)用描述，我們推薦選用金升陽MBP500-2A54D54的接線式電源，它具備電池充電功能，可對48V 鉛酸電池充電；工業(yè)級工作溫度：-40℃～+70℃；2500VAC 高隔離電壓；大瞬時過功率達(dá)540W；優(yōu)越的EMC性能；接線式安裝。

另外，如果鉛酸電池的電壓值為24V，還可以選用金升陽公司的MBP300-2A27D27的接線式電源，可對24V的鉛酸電池充電，穩(wěn)態(tài)功率達(dá)到351W。
電源是各種電子設(shè)備必不可缺的組成部分,其性能優(yōu)劣直接關(guān)系到電子設(shè)備的技術(shù)指標(biāo)及能否安全可靠地工作。目前常用的直流穩(wěn)壓電源按功率管的工作方式分為線性電源和開關(guān)電源兩大類。線性穩(wěn)壓電源亦稱串聯(lián)調(diào)整式穩(wěn)壓電源,電路技術(shù)比較成熟。具有低紋波、高穩(wěn)壓性能等優(yōu)點(diǎn)。但由于必須使用工頻變壓器,且調(diào)整管工作在線性放大區(qū),因而體積大和重量大、效率低。開關(guān)電源調(diào)整管工作在高頻開關(guān)狀態(tài),功率損耗小,且使用小體積的高頻變壓器替代笨重的工頻變壓器來實(shí)現(xiàn)電壓變換和電網(wǎng)隔離。
為解決傳統(tǒng)的PWM型變換器的上述問題,可采用諧振、準(zhǔn)諧振、多諧振以及具軟開關(guān)的PWM型變換器。這些變換器吸收、利用了PWM型變換器中的寄生參數(shù)或外加電感、電容作為諧振參數(shù),使變換器中的功率開關(guān)在零電壓或零電流下開通和關(guān)斷,開關(guān)兩端的電壓或經(jīng)過開關(guān)的電流是正弦或半正弦波形。因此大大減少開關(guān)的瞬問損耗和開關(guān)應(yīng)力以及電磁干擾和射頻干擾.使其工作頻率可進(jìn)一步提高到1Mhz以上，效率達(dá)90%以上。再加上小型片狀電子元器件,包括磁性材科,例如:平板型變壓器等以及表面安裝技術(shù)以及散熱方式的改進(jìn)，就使電源系列、標(biāo)準(zhǔn)化、模塊化成為現(xiàn)實(shí)。

WM124-08: Wire Guide 0.008 inch Lower MITSUBISHI X053C104G54
WM122-10: Wire Guide 0.010 inch Upper/Lower MITSUBISHI X053C012G56
WM117-12: Wire Guide 0.012 inch Lower MITSUBISHI X052B241G55
WM117-10: Wire Guide 0.010 inch Lower MITSUBISHI X052B241G54
WM117-08: Wire Guide 0.008 inch Lower MITSUBISHI X052B241G53
WM117-06: Wire Guide 0.006 inch Lower MITSUBISHI X052B241G52
WM117-04: Wire Guide 0.004 inch Lower MITSUBISHI X052B241G51
WM114: Set Screw D=0.4mm Upper/Lower MITSUBISHI X053C241G52
WM113: Set Screw D=0.4mm Lower MITSUBISHI X053C628G51
WM110-06: Eccentric Die 0.6mm Upper MITSUBISHI X053C136G54
WM110-04: Eccentric Die 0.4mm Upper MITSUBISHI X053C136G52
WM109: Die Guide A D=0.4mm Upper MITSUBISHI X054D171G54
WM107-08: Wire Guide 0.008 inch Upper MITSUBISHI X052B240G52
WM104-12: Wire Guide 0.012 inch Lower MITSUBISHI X052B092G56
WM104-10: Wire Guide 0.010 inch Lower MITSUBISHI X052B092G55
WM104-08: Wire Guide 0.008 inch Lower MITSUBISHI X052B092G54
WM103-12: Wire Guide 0.012 inch Upper/Lower MITSUBISHI X052B054G55
WM103-10: Wire Guide 0.010 inch Upper/Lower MITSUBISHI X052B054G54
WM103-08: Wire Guide 0.008 inch Upper/Lower MITSUBISHI X052B054G53
WM102-12: Wire Guide 0.012 inch Lower MITSUBISHI X053C188G56
WM102-10: Wire Guide 0.010 inch Lower MITSUBISHI X053C188G55
WM102-08: Wire Guide 0.008 inch Lower MITSUBISHI X053C188G54
WISE Vinyl Forklifts Seats (Cat, Mitsubishi)-Wise--Vinyl
WISE Vinyl Forklifts Seats (Cat, Mitsubishi)-Wise-19.5"x24"x21.25"-Vinyl
Water Pump Hitachi Isuzu Komatsu Mitsubishi Satoh TMC 5-13610-057-0 Z8943768630
Warranty Mitsubishi MW771 MW771C BN634A234G51 Board Card Module
Warranty Mitsubishi MW621-1 MW621C-1 BN634A233G52 Board Card Module
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Warranty Mitsubishi Meldas Control Board FX702 FX702B REV F BN624E25H01
Warranty MITSUBISHI EZMotion MR-E-40AG AC SERVO AMPLIFIER H8XP5D DRIVE
VLT-XL6600LP High Quality Original Philips, Osram Bulb Inside for Mitsubishi
VFD INVERTER DRIVE MITSUBISHI 0.75kW, 230V FR D720S 4.2A
V7 230 W Replacement Lamp For Mitsubishi SD420 SD430 XD420 Replaces VLT-XD420LP
V7 200W Repl Lamp For Vlt-Hc910Lp Fits Mitsubishi Hc1100 Hc1500 Hc910
V7 200/160W Repl Lamp Vlt-Xd110Lp Fits Mitsubishi Sd110 Xd100U Xd110
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