描述
DS303A3A01GXA003XF
假如要正確的運(yùn)用變頻器,必需認(rèn)真地思考散熱的疑問(wèn)。變頻器的故障率隨溫度升高而成指數(shù)的上升。運(yùn)用壽命隨溫度升高而成指數(shù)的下降。環(huán)境溫度升高10度,變頻器運(yùn)用壽命減半。因此,要注重散熱疑問(wèn)啊!變頻器工作時(shí),流過(guò)變頻器的電流是很大的,變頻器發(fā)生的熱量也是非常大的不能忽視其發(fā)熱所發(fā)生的影響。一般,變頻器安裝在控制柜中。要知道一臺(tái)變頻器的發(fā)熱量大約是多少,能夠用以下公式預(yù)算:發(fā)熱量的近似值=變頻器容量(KW55[W]這兒,假如變頻器容量是以恒轉(zhuǎn)矩負(fù)載為準(zhǔn)的過(guò)流能力150%*60假如變頻器帶有直流電抗器或溝通電抗器,而且也在柜子里面,這時(shí)發(fā)熱量會(huì)更大一些。電抗器設(shè)備在變頻器正面或測(cè)上方比擬好。這時(shí)能夠用預(yù)算:變頻器容量(KW60[W]由于各變頻器廠家的硬件都差不多,所以上式能夠?qū)τ诟髌放频漠a(chǎn)品。注意:如果有制動(dòng)電阻的話,因?yàn)橹苿?dòng)電阻的散熱量很大,因此最好裝置位置最好和變頻器隔離開(kāi),如裝在柜子上面或旁邊等。那么,怎樣采能降低控制柜內(nèi)的發(fā)熱量呢?當(dāng)變頻器安裝在控制機(jī)柜中時(shí),要考慮變頻器發(fā)熱值的問(wèn)題。根據(jù)機(jī)柜內(nèi)發(fā)生熱量值的增加,要適當(dāng)?shù)卦黾訖C(jī)柜的尺寸。因此,要使控制機(jī)柜的尺寸盡量減小,就必需要使機(jī)柜中產(chǎn)生的熱量值盡可能地減少。如果在變頻器安裝時(shí),把變頻器的散熱器部分放到控制機(jī)柜的外面,將會(huì)使變頻器有70%的發(fā)熱量釋放到控制機(jī)柜的外面。由于大容量變頻器有很大的發(fā)熱量,所以對(duì)大容量變頻器更加有效。?還可以用隔離板把本體和散熱器隔開(kāi),使散熱器的散熱不影響到變頻器本體。這樣效果也很好。變頻器散熱設(shè)計(jì)中都是以垂直裝置為基礎(chǔ)的橫著放散熱會(huì)變差的!關(guān)于冷卻風(fēng)扇一般功率稍微大一點(diǎn)的變頻器,都帶有冷卻風(fēng)扇。同時(shí),也建議在控制柜上出風(fēng)口裝置冷卻風(fēng)扇。進(jìn)風(fēng)口要加濾網(wǎng)以防止灰塵進(jìn)入控制柜。注意控制柜和變頻器上的風(fēng)扇都是要的不能誰(shuí)替代誰(shuí)。另外,散熱問(wèn)題還要注意以下兩個(gè)問(wèn)題:海拔高于1000m地方,因?yàn)榭諝饷芏冉档?,因此?yīng)加大柜子的冷卻風(fēng)量以改善冷卻效果。理論上變頻器也應(yīng)考慮降容,1000m每-5%但由于實(shí)際上因?yàn)樵O(shè)計(jì)上變頻器的負(fù)載能力和散熱能力一般比實(shí)際使用的要大,所以也要看具體應(yīng)用。比如說(shuō)在1500m地方,但是周期性負(fù)載,如電梯,就不用要降容開(kāi)關(guān)頻率:變頻器的發(fā)熱主要來(lái)自于IGBTIGBT發(fā)熱有集中在開(kāi)和關(guān)的瞬間。因此開(kāi)關(guān)頻率高時(shí)自然變頻器的發(fā)熱量就變大了有的廠家宣稱降低開(kāi)關(guān)頻率可以擴(kuò)容,就是這個(gè)道理。
產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢(shì)價(jià)格,大量現(xiàn)貨。
主營(yíng)DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
大型伺服系統(tǒng)配件
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Triconex?Siemens?Yaskawa?ABB?GE?Ovation?AB?Foxboro?Motorola?Schneider?XYCOM?KUKA ? 專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊 15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家
FUJI VME 4400 VISION CONTROL BOARD FRAME GRABBER
Fuji VME bus VM1610 (video card)
FUJI VME IS70B SERVO BOARD
FUJI AVAL VME-520 MCIF-16 BOARD CARD
Fuji VME bus VM1220 with 8 ot of 16 chips
FUJI AVAL VME-520 MCIF-16 BOARD CARD GOOD CONDITION
FUJI SHARP VME BUS VISION CPU MODULE VM1110TA
FUJI SHARP VME BUS VISION CAMERA MODULE VM1710
FUJI SHARP VME BUS VISION MEMORY MODULE VM1220
FUJI SHARP VME BUS VISION SERVO MODULE VM1911
FUJI SHARP VME BUS VISION MEMORY MODULE VM1931
FUJI SHARP VME BUS VISION MODULE VM1540A
FUJI SHARP VME BUS VISION VIDEO MODULE VM1610
FUJI SHARP VME BUS VISION POWER SUPPLY MODULE VM1911
FUJI SHARP VM1710 SMT VME BOARD CARD GOOD CONDITION
Perceptron Frame Grabber Board 495-0191 #29401
Perceptron Frame Grabber Board 495-0191 #29402
Perceptron Frame Grabber Board 495-0191-00 #29410
FUJI VME 4400 VISION CONTROL BOARD FRAME GRABBER COGNEX
Matrox Corona /8/E/K Frame Grabber Vision System Board
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imagenation PX-610 4-port PCI frame grabber board
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Raritan Video Frame Grabber PCI Board 1650–80-1010
PC-Vision PCI FRAME GRABBER BOARD PCV16530 TDA D0013
MKS Astex AX2110 1000w Microwave Power Generator
ASTeX SmartMatch / P/N: FI20045 – ONE-YEAR Warranty
Astex-5254 Continuous Fusing System.
AMAT 0190-09437 ASTEX 8200A OZONE GENERATOR 90DAY WARR
NEW ASTeX 5kW 2.0 MHz Variable Source RF Generator MKS
APPLIED MATERIALS – 0190-09265 – ASTEX, OZONATOR WAVE
ASTeX AX8200-AX8200D Ozone Generator: AX 8200 D
ASTEX A2500 MICROWAVE PLASMA GENERATOR
ASTeX MKS GENERATOR OZONE SEMOZON 14-6008-00 90.2 XP
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ASTEX AX2050-3 MICROWAVE POWER GENERATOR 90DAY WARR
Astex AX7610-4 Chemical Downstream Plasma Source
AMAT ASTEX SMARTMATCH TUNER GUIDE FI20166 3750-01147
ASTEX AX8200E Ozone Generator – GREAT CONDITION
NEW MKS/Astex WG21100 Water-Cooled Dummy Load
REFURBISHED ASTeX MAGNETRON HEAD D13449
ASTeX AX8200 AX8200A Ozone Generator
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0190-00398 CONTROLLER MICROWAVE ASTEX
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ASTEX CPS SMARTMATCH (SM) P/N FI10001 rev z
Lam P/N: 685-097949-001 rev. B
Astex Power Distribution AS06485
ETO HV CAPACITOR BANK ABX-X284 Astex MKS
ASTEX ATL-100RA MATCH ATL100RA 500W, 350KHz
Astex AX2050-3 Microwave Power Generator
Astex AX7610-5 Chemical Downstream Plasma Source
ASTEX TS90 0190-09246 WAVE GUIDE COUPLER REV. P3
Astex magnetron head (MH) P/N FI10002-R Rev 1M
Lam P/N 660-097960R001 Rev. B
Astex D12691 MKS Microwave Plasma Detector Power Supply
ASTeX D13449 3.5 kW Magnetron Head 2450 MHz AMAT 2006
ASTeX High Voltage Filter Bd. ABX-X494 AMAT 0190-01291
ASTEX HEAD,MAGNETRONC?ENTURA D13449
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ASTEX D13449 Magnetron Head 3.5KW 2450 MHz Centura AMAT
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ASTeX Power Supply LCS-5500-7KVP
ASTEX/APPLIED SCIENCE F120194 REV.1A MAGNETRON HEAD
NEW ASTEX SPARE PART FOR POWER HEAD
ASTEX DC7CRPUG 0190-09272 WAVE GUIDE COUPLER REV. P1
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ASTEX MKS CONTROL UNIT PCB A5, X226, LIQ 34-0018-SP-02
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ASTEX 0010-37735 NSPP 001037735
Astex AX8500 Pall PFA Gaskleen Filter
NEW ASTeX SORBIOSTAT POWER SUPPLY AIR IONIZATION HSM3.1
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PERCEPTRON 911-0008 USPP 9110008
PERCEPTRON 911-0018 USPP 9110018
PERCEPTRON 9110017 USPP 9110017
PERCEPTRON 911-0011 USPP 9110011
PERCEPTRON 9110014 USPP 9110014
PERCEPTRON 912-0013 USPP 9120013
PERCEPTRON 911-0010 USPP 9110010
PERCEPTRON 912-0007 USPP 9120007
PERCEPTRON 912-0010 USPP 9120010
PERCEPTRON 912-0011 USPP 9120011
PERCEPTRON 912-0020 USPP 9120020
PERCEPTRON 912-0021 USPP 9120021
PERCEPTRON 911-0004 USPP 9110004
PERCEPTRON 911-0007 USPP 9110007
PERCEPTRON 912-0008 USPP 9120008
PERCEPTRON 911-0052 USPP 9110052
PERCEPTRON 911-0053 USPP 9110053
Perceptron Digital Tricam Camera Sensor 916-4101
PERCEPTRON TRICAM DIGITAL 2
USED Perceptron 390-0049 Enna 17″ Monitor 0520776002
PERCEPTRON 495-0191 FRAME GRABBER CARD 96K DSP NEW
Perceptron 916-4128 Digital Contour Sensor Camera
PERCEPTRON 495-0191 USPP 4950191
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0014
PERCEPTRON CAMERA TRICAM CONTOUR SENSOR 911-0007
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0007
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0015
PERCEPTRON CAMERA TRICAM SURFACE SENSOR 912-0017
Perceptron Processor Board 495-0191 Frame Grabber 29400
Perceptron Frame Grabber Board 495-0191 #29401
Perceptron Frame Grabber Board 495-0191 #29402
Perceptron Frame Grabber Board 495-0191-00 #29410
Perceptron DSP Frame Grabber 495-0191 96K #29411
USED Perceptron 96K DSP Frame Grabber 495-0191 Rev R
USED Perceptron 147 Serial Board 495-0102-01 031594-004
USED Perceptron 147 Serial Board 495-0102-01 093097-003
USED Perceptron 96K DSP Frame Grabber 495-0117-03
Perceptron VMEGrapher 495-0092 VGA Graphics System Card
PERCEPTRON 495-0102-01 USPP 495010201
PERCEPTRON 495-0092 USPP 4950092
專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊
PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅
15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國(guó)內(nèi)實(shí)力庫(kù)存商家