OFSCSPELT信号板
分布式供电无法实现
一种可行的解决方案是,尽量缩短低压直流传输导线的长度,将交流/直流电源设置在负载附近。 但这需要改变整个系统的供电方式,由“集中供电”改为“分布供电”,需要安排更多的交流“取电 点”,或者采用长距离的 230Vac 或 400Vac 交流传输线。在很多应用中,考虑到低压要求或系统 设计要求等,无法实行这种方案。
普通的直流/直流转换器方案
另一个可行的解决方案是在长距离低压直流导线末端串入一台直流/直流转换器,作为“电压补偿 器”,以补偿导线上的压降引起的电压波动。并不是所有的直流/直流转换器都适用于此类应用,非常 重要的是,
1) 直流/直流转换器要有较宽的输入电压范围,允许的输入低电压要很低。
2) 直流/直流转换器自身不能有过的输入(起动) 电流需求。
PULS 普尔世的电压补偿器 CD5.241-L1
PULS 普尔世在开发电压补偿器“CD5.241-L1 ”时,认真考虑了这些应用需求,设计了 14-35Vdc的宽输入电压范围,和主动式浪涌电流以及“软”起动功能以避免普通直流/直流转换器起动时的 输入峰值电流。可以下述应用为例来说明它的特性。
PARKER B512ADB49C 3/8" VALVE NIB
Parker B512ACB53C 3 Way 120V Pneumatic Valve
PARKER B511AE549C VALVE * IN BOX*
PARKER B511ABB53C SOLENOID VALVE * *
PARKER B511ABB53A SOLENOID VALVE * *
PARKER B4G6AB549F Complete SOLENOID Valve 24vdc
PARKER B4G1BC553A
Parker B4024X120180 Flanging 1 1/2 X 120 Tap Tool
PARKER B3Y0000XXC 3002 VALVE 3-WAY 710K0435 150 PSI C3Y000XX-976535000-11
PARKER B3E0BE547C B3E0BE547C
PARKER B35VKC553C * OUT OF A BOX*
Parker B35VBC549C DS 15mm 24VDC Lot of 2
Parker B35HBC553C Solenoid Valve
Parker B32VWB553C D SOL 2 POS Valve, 96F-1
PARKER B32VWB553C AIR VALVE NIB
PARKER B32VWB553C AIR VALVE NIB
Parker B32VWB553C 1" STD FLT, 96E-3
Parker B31VBC553C Solenoid Valve 150PSI
PARKER B310BC542C B310BC542C
PARKER B310BB54202CL B310BB54202CL
Parker B3018030X3M Flanging 30 x 3M Tap Tool
Parker B3018006X1M Flanging 06 x 1M Tap Tool
Parker B3008X04918088 Flanging 1/2 x 04989 Tap Tool
Parker B3006X35180SS Flanging 3/8 x 035 SS Tap Tool
Parker B3004X028180A Flange Tap Tool
PARKER B2VCBB549C B2VCBB549C
PARKER B2ECBB549C B2ECBB549C
Parker B2DA1250 250PSI 24V DC 6 Watts Valve With MILLIPORE 01-0122-E Gauge
Parker B25GBJE49A, double solenoid
PARKER B25CBB549C B25CBB549C
Parker B12-3-12T, B12 Valve Body
PARKER B10 PILOT OPERATED POPPET VALVE G 3/4" PORT
Parker B10-3-8P Black Valve
Parker B10-3-6T Manifold & SV101k10-10 Needle Valve Hydraulic
PARKER B10-3/4SD, Fuel Filter, 3/4 In NPT, 150 Max PSI, 5 GPM
PARKER B10-3/4SD FUEL FILTER * IN A BOX*
Parker B09-2-GT Ventil
Parker B01-0075 In Line Air Oiler Lubricator
Parker S5M30 FULFLO Avasan Filter Cartridge BOX OF 12
Parker Automation Pneumatic (MB5) 08f44ac/08r418ab
PARKER Automation Actuator Model# P5V-GMS12912C ... ZC-29
PARKER AUTOMATION ACTUATOR 375 PSI - LTR102-180-AA11M-C
Parker Automation 4553 Daedal Division Linear Stage Actuator
Parker Automatic Accum. Unload FPS-204_FPS204_FPS-2O4_FPS2O4_B.H.I. 855096-01-B
Parker Autocle Medium Pressure Needle Valve 20,000 psi
Parker Autocle Engineers CL9900 High Pressure Elbow Fitting Stainless Steel
Parker Autocle Engineers CL9900 High Pressure Elbow Fitting Stainless Steel
PARKER AUTOCLE ENGINEERS 30VM9071 316SS HIGH PRESSURE NEEDLE VALVE
Parker Atlas 532428 Stainless Pneumatic Cylinder 2.5x8 ! WOW !
Parker AS-B-19 Partek Sleeve, 50 Foot Roll MSHA A2605 *FREE SHIPPING*
parker analogue valve controller
Parker Altec P10269-1A 352-10038 Solenoid Manifold Valve Block M10269-1A
Parker Altec 407483 Hydraulic Solenoid Valve Coil Block Unit 01-09-04
Parker A-LOK Metric Union Cross 316 Part Number - ECRM6-316
Parker A-LOK Metric Union 316 Part Number - SCM15-316
Parker A-LOK Metric Tee 316 Part Number - ETM12-316
Parker A-LOK Metric Elbow Connector - NPT 316 Part Number - M15MSEL1/2N-316
Parker A-LOK Metric Elbow Connector - NPT 316 Part Number - M12MSEL1/2N-316
Parker A-LOK Metric Elbow Connector - BSPT 316 Part Number - M12MSEL1/2K-316
Parker A-LOK Metric Elbow 316 Part Number - EEM15-316
Parker A-LOK Metric Elbow 316 Part Number - EEM12-316
Parker A-LOK Metric Bulkhead 316 Part Number - BCM12-316
Parker A-LOK Imperial Union Cross 316 Part Number - 4ECR4-316
Parker A-LOK Imperial Union Cross 316 Part Number - 2ECR2-316
Parker A-LOK Imperial Union 316 Part Number - 12SC12-316
Parker A-LOK Imperial Tube Plug 316 Part Number - 16BLP16-316
Parker A-LOK Imperial Tube Cap 316 Part Number - 16BLEN16-316
Parker A-LOK Imperial Tee 316 Part Number - 8ET8-316
Parker A-LOK Imperial Reducing Union 316 Part Number - 12RU8-316
Parker A-LOK Imperial Male Connector - NPT 316 Part Number - 16MSC8N-316
Parker A-LOK Imperial Male Connector - NPT 316 Part Number - 16MSC16N-316
Parker A-LOK Imperial Male Connector - NPT 316 Part Number - 16MSC12N-316
Parker A-LOK Imperial Male Connector - NPT 316 Part Number - 12MSC16N-316
Parker A-LOK Imperial Male Connector - BSPP 316 Part Number - 12MSC8R-316
Parker A-LOK Imperial Male Connector - BSPP 316 Part Number - 12MSC12R-316
Parker A-LOK Imperial Equal Elbow 316 - 8EE8-316
Parker A-LOK Imperial Elbow Connector - NPT 316 - 8MSEL8N-316
Parker A-LOK Imperial Elbow Connector - NPT 316 - 8MSEL8N-316
Parker A-LOK Imperial Elbow Connector - NPT 316 - 12MSEL8N-316
Parker A-LOK Imperial Elbow Connector - NPT 316 - 12MSEL12N-316
Parker A-LOK Imperial Elbow Connector - BSPT 316 - 8MSEL8K-316
Parker A-LOK Imperial Bulkhead 316 - 8BC8-316
Parker A-Lok 8MSC16N-316 316 Stainless Steel Tube Fitting, Adapter, 1/2" Tube OD
Parker Alok 8FSC16N-316, 1/2" X 1" Female Connector, SS-810-7-16, Stainless Stee
Parker Alok 8A-V8LR-SS, 1/2" Needle Valve, Blunt Stem, 316 Stainless Steel
Parker Alok 4MSEL4N-B, 1/4" Tube X 1/4" Male Elbow, Brass, LOT OF 40, B-400-2-4
Parker A-LOC 316 stainless steel cross union 12ECR12-316 Grainger 4CXT4 3/4"
PARKER AL43A23BKH4900A SOLENOID CONTROL VALVE 150 PSI 24V 6W - - C103
PARKER AL-11-323-BGN-79-00-A 4WAY SINGLE SOLENOID VALVE 24VDC 2 POS.,
Parker Aktivkohlefilterelement 90A/LV-04/10 für Donaldson / Ultrafilter AKP 04/1
Parker Aktivkohlefilterelement 90A/LV-03/10 für Donaldson / Ultrafilter AKP 03/1
Parker Aktivkohlefilterelement 90A/LV-03/05 für Donaldson / Ultrafilter AKP 03/0
Parker Aktivkohlefilterelement 90A/LV-02/10 für Donaldson / Ultrafilter AKP 02/1
PARKER AIRFILTER/REGULATOR 06E32A18AC
Parker Air/Pneumatic Cylinder PV33D-FB2-B
Parker Air water light oil solenoid valve 5/8" NPT d8f230614dacfee05
Parker Air Valve Part# PVLB112606 1.2W 24V/DC
Parker Air Silencer ESB50MB (3)
Parker Air Silencer ESB-37MB (Lot of 4)
Parker Air Silencer ASN8 (Lot of 9)
Parker Air Silencer ASN6 (Lot of 19)
Parker Air Silencer ASN15 (Lot of 5)
Parker Air Piston Series 2MA
Parker Air Piston 1204 5153
PARKER AIR PILOT VALVE B431000XXA * *
PARKER AIR PILOT VALVE B431000XXA * OUT OF BOX*
PARKER AIR PILOT VALVE 1/2" N35441091P 3 WAY NC
PARKER AIR PILOT REGULATOR 3/8" 11R215PC * OUT OF BOX*
PARKER AIR PILOT REGULATOR 10R121PB 1/4" NPT 250 PSI LOT OF 3
Parker Air Cylinder, Series 3MA, 03.25 CBC3MAU19AC 9.000, , WARRANTY