描述
1747-l553
假如要正确的运用变频器,必需认真地思考散热的疑问。变频器的故障率随温度升高而成指数的上升。运用寿命随温度升高而成指数的下降。环境温度升高10度,变频器运用寿命减半。因此,要注重散热疑问啊!变频器工作时,流过变频器的电流是很大的,变频器发生的热量也是非常大的不能忽视其发热所发生的影响。一般,变频器安装在控制柜中。要知道一台变频器的发热量大约是多少,能够用以下公式预算:发热量的近似值=变频器容量(KW55[W]这儿,假如变频器容量是以恒转矩负载为准的过流能力150%*60假如变频器带有直流电抗器或沟通电抗器,而且也在柜子里面,这时发热量会更大一些。电抗器设备在变频器正面或测上方比拟好。这时能够用预算:变频器容量(KW60[W]由于各变频器厂家的硬件都差不多,所以上式能够对于各品牌的产品。注意:如果有制动电阻的话,因为制动电阻的散热量很大,因此最好装置位置最好和变频器隔离开,如装在柜子上面或旁边等。那么,怎样采能降低控制柜内的发热量呢?当变频器安装在控制机柜中时,要考虑变频器发热值的问题。根据机柜内发生热量值的增加,要适当地增加机柜的尺寸。因此,要使控制机柜的尺寸尽量减小,就必需要使机柜中产生的热量值尽可能地减少。如果在变频器安装时,把变频器的散热器部分放到控制机柜的外面,将会使变频器有70%的发热量释放到控制机柜的外面。由于大容量变频器有很大的发热量,所以对大容量变频器更加有效。 还可以用隔离板把本体和散热器隔开,使散热器的散热不影响到变频器本体。这样效果也很好。变频器散热设计中都是以垂直装置为基础的横着放散热会变差的!关于冷却风扇一般功率稍微大一点的变频器,都带有冷却风扇。同时,也建议在控制柜上出风口装置冷却风扇。进风口要加滤网以防止灰尘进入控制柜。注意控制柜和变频器上的风扇都是要的不能谁替代谁。另外,散热问题还要注意以下两个问题:海拔高于1000m地方,因为空气密度降低,因此应加大柜子的冷却风量以改善冷却效果。理论上变频器也应考虑降容,1000m每-5%但由于实际上因为设计上变频器的负载能力和散热能力一般比实际使用的要大,所以也要看具体应用。比如说在1500m地方,但是周期性负载,如电梯,就不用要降容开关频率:变频器的发热主要来自于IGBTIGBT发热有集中在开和关的瞬间。因此开关频率高时自然变频器的发热量就变大了有的厂家宣称降低开关频率可以扩容,就是这个道理。
产品承诺:
保 证 全新原装进口,
保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。
主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB ,AB ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA 专业销售进口DCS PLC系统备件模块 15天包退换 一年质保 大量现货 国内实力库存商家
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
COGNEX 4400 VISION CONTROL BOARD FRAME GRABBER 4438-002
Data Translation DT2871 color frame grabber board ISA
Axon Instruments FluoroCam 2100 PCI Frame Grabber Board
Acuity PC Board LG-3, Frame Grabber #21776
PC-Vision PCI FRAME GRABBER BOARD TDA D0013
Active silicon SNAPPER-PCI-24 Frame Grabber Board
imagenation PX-610 4-port PCI frame grabber board
PC-Vision FRAME GRABBER BOARD
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
ASTEX GMBH GENERATOR, MICROWAVE D137645
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
MKS ASTeX S-1500i: 1500 Watt Microwave Power Generator
MKS ASTeX ARX Microwave Control Module AMAT 0190-00398
0190-00398 CONTROLLER MICROWAVE ASTEX
MKS AX8500 Delivery System Astex Control Interface
ASTEX AX7610-11 Chemical Downstream Plasma Source
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,MAGNETRONCENTURA D13449
MKS Astex Ozone Controller
MKS Astex Power Distributor SA86306
ASTEX D13449 Magnetron Head 3.5KW 2450 MHz Centura AMAT
MKS ASTEX 3.5KW MAGNETRON HEAD D13449 RF CENTURA AMAT
ASTEX AX3030 CIRCULATOR HEAT REDUCER
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
ASTEX CPR90XC 0190-09275 WAVE GUIDE COUPLER REV. P1
ASTEX FI20031/3750-01098 WAVE GUIDE COUPLER REV. 1A
ASTEX MKS CONTROL UNIT PCB A5, X226, LIQ 34-0018-SP-02
astex 3.5kw magnetron 2450 mhz new mks plasma uhv
ASTEX 0010-37735 NSPP 001037735
Astex AX8500 Pall PFA Gaskleen Filter
NEW ASTeX SORBIOSTAT POWER SUPPLY AIR IONIZATION HSM3.1
ASTEX MICROWAVE PLASMA GENERATOR — COMPLETE SET
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
专业销售进口DCS PLC系统备件模块
PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗
15天包退换 一年质保 大量现货 国内实力库存商家