描述
电源滤波器原理—典型结构
根据电源端口的电磁骚扰特点,电源EMI噪声滤波器是一种无源低通滤波器,它无衰减地将交流电传输到电源,而大大衰减随交流电传入的EMI噪声,同时又能有效地抑制电源设备产生的EMI噪声,阻止它们进入交流电网干扰其它电子设备。
电源滤波器的典型结构如下图所示,这是一种无源网络结构,对交流和直流电源都适用,具有双向抑制性能。将它插入在交流电网中与电源之间,相当于这二者的EMI噪声之间加上一个阻断屏障,这样一个简单的无源滤波器起到了双向抑制噪声的作用,从而在各种电子设备中获得广泛的应用。
主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
TANDBERG RECEIVER TT1220 1U SERIES 1 11404563 11803889
3COM 6525M-TPFE 4197B 60-0551-1C 90-1150-1C 12-00425
BARCO NE728 MKII V9517220 BG
VXT POLYSPEDE 51FG 3.7KW 5.5HB2 VXT-51FG
Varian Beamline Turbo N2 Regulator& valve 969-9831S001
HP Agilent CABLE BUFFER Board E7085-66553-4123-93-20014
TELLABS 16 X E1 Echo Canceller 8125812 & 2 X PS 815140A
ALCATEL-LUCENT 1642EMC DS3B1 DC-48V 1000mA
CISCO GE-GBIC-SC-B 800-03955-03M0 73-2146-07 B0 CARD
AVANTRY ODU-1-1-3-18 WitLine-2000
MOTOROLA U37664-001
WITCOM WiteLink-2000 SERIES IDU-2002 8E1/T1
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MOTOROLA MPC8272ADS 084-00178-1 PQ27ADSS ADAPTOR
BARNETT MULTIMETER ME9 H/U TS 352 B/U MULTIPLIER MX-815
RADWARE DefensePro Application Switch I 8FE 904684
Ceragon Fibeair 15P-OX-15-420-1W8TL 01-2141-1 1500-15
RADCOM PA-FEP-GENFEP 97-0104 ADVANTECH IPC-602P3-30Z
BALDOR INDUSTRIAL MOTOR VL3509
REDLINE NETWORKS T | X 2400 TX2400 WEB ACCELERATOR
Motorola Puma Token Ring CONTROLER IOC PN: U36510003
NOKIA FRU-C 23-0B GHz PN: 00053644 01-X23690H5 RX 22000
PITTAN AMETEK MOTOR GM14902D347-R5 12-8800-049 30.3VDC
MICRO CRAFT (503) 929-9496 960726 16MB 70NS
AMP#1 VERTEQ MODEL ST800-CC50MC2-PVDF M/N 3156023 12/95
3M 6600E SYSTEM CONTROLLER BROADCASTING AND RELATED
IBM LENOVO NVIDIA QUADRO FX 5600 46R2463 VIDEO CARD NEW
Edwards Controller Q80.4.2.2 208V 9PH 3.0 KVA/PH
DANFOSS VLT VARIABLE SPEED DRIVE 175H5394 PDC/ICC CARDS
RADWARE WSD-NP PS 5GB + 16FE 128MB 904664-S-Dual
Verteq MCS2600-3C RETRO 120 VAC 15A 50/60 HZ
DANFOSS VLT VARIABLE SPEED DRIVE 175H5392 PDC/ICC CARDS
RADWARE Director 1904672 CID1000/ASII/5xGB+16xFE 256MB
ATCA Chassis shMC w/Schroff 23098-139 5 U System
RADWARE 904625 CACHE SERVER DIRECTOR 2G + 8FE 64M
WiseBand Communication WISE-800R WB-0103-0
NOKIA IP410 IP-410 IP1004 CLASS 1 LASER 80-4100-001
ADAX GATEWAY SYSTEM 96211 TG-4 PMC2 ADAX1.TLV
Turbine Engine long combustor for collectors
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MICROWAVE GaAs FET Amplifier 36.5dBm F.R 6425-7125Mhz
RADWARE APSolute Application Delivery 19046727 CID NEBS
VERTEQ MCS2600-3C 120VAC 15A 6/89 50-60HZ
Board PN 70110-003 FREV 1.1 479123608 1074944P 810-0170
Motorola STLF4014BB BBX 2 800MHZ 379GYQ53ES
DANFOSS VLT VARIABLE SPEED DRIVE 175H5366 PDL SPARE
COSEL P1500E-24 24V 65A 7282576Y POWER SUPPLY
MOTOROLA F4491A MOTOROLA F4491A
WIZLAN WIZ-2004 0120008463 WITH 2 X WIZ-205 , WIZ-2016
Network Appliance SA1083L
AXIOMTEK ICS-480-RC CPU: PCA6751 VER. 5.4 NEW IN BOX!!!
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NORTEL E1A-8P INV MUX FP NTFN16CA-04 NTFP12CB NTFN17BB
Thermco SOFTLAND Boat Loader Board PCB 125280-00
SOFTLAND Boat Loader Board PCB 125280-004 125281-001
TELRAD TENECS Gemini Series Diana 76-FXO-0004/0 BXT7104
4 X CMS 56-306-0004 VSC1RTDEAA TRILOGUE INFINITY FIM
Adtech AX/4000 Ethernet Control Module 12048-B 10 BACET
ADTECH AX/4000 155V2 ANALYZER BOARD 11590
ADC BROADBAND DV6312RSRFC01 DV6102VD SENSITIVE DEVICES
VEXTA PH265-02 STEPPING MOTOR & MILLIPORE 839-013522
Radware WSD-904664 DUAL PS 5GB + 16FE 128MB
DANFOSS VLT VARIABLE SPEED DRIVE 175H7077 IDL CARD PART