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SAFT113POW

时间:2018-9-7,阅读:105,发布企业:厦门仲鑫达科技有限公司, 资讯类别:会员资讯
公司:
厦门仲鑫达科技有限公司
联系人:
杨美娟
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18030132582
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18030132582
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QQ:
2851195481 和我即时交谈
地址:
思明区国贸大厦32D
摘要:SAFT113POWSAFT113POWSAFT113POW

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——————【SAFT113POW】——————

——————《SAFT113POW》——————

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★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★每年汛期,江河流域都  通过分析确定是隔离电源输入与输出之间走线间距不足,共模浪涌导致两端高压差问题。为此将打火处的走线断开,此处便不会再出现打火。同时如果其他地方有同样的问题,在断开前面的打火处后,则共模路径为转移到下一个间距不够的地方,因此需要将这些隔离间距都断开,并满足共模电压间距要求。




四、总结:




1.分析方法:如确定是上述提到的系统结构导致共模浪涌时,隔离输入与隔离输出隔离间距不够导致打火的现象,可以采取两种方法进行验证:其一,将打火处的间距断开或增长;其二,将隔离变成非隔离,形成等电位。




2.电源布局:系统设计时,如果使用隔离电源或隔离IC,且隔离电源的输出或隔离IC的输出通过直接或间接方式与系统的机壳地进行连接后,如果整个系统有共模浪涌要求时,此时在布局隔离输入与隔离输出时要注意原副边共模电压的耐受间距,做如下距离推荐:1KV--2mm;2KV--3mm;4KV--4mm及以上。




3.解决方法:其一,增大隔离输入与隔离输出的间距,以满足共模电压要求;其二,将隔离电源或隔离IC的输出与机壳的PE连接关系断开并保证其他信号与机壳的间距;其三,在电源输入线与PE之间增加压敏电阻进行共模电压抑制,但此时应关注输入与PE的工频耐压要求。

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SUDMO 2342196 STAINLESS ACTUATOR D559862


GEA DCL-OD4-SZ-SL2BAB-DF/DLB-V1-11N TUCHENHAGEN STAINLESS ACTUATOR D559905


4-VANE 11-1/2 IN OD STEEL PUMP IMPELLER D537284


1750 DRUM SAFETY VALVE CUTTER ASSEMBLY D563477


REXROTH 1827001472 PM1-M042-N2-A STEEL ROD CLEVIS D567344


ROSEMOUNT 01151-0372-1003 PWB TRANSMITTER CONTROL MODULE D571342


AUTOMAX A200DA PNEUMATIC ACTUATOR 150PSI MAX D568008


KSB 40006786 DIFFUSER ELEMENT D568035


MAREL 9731848 FOOD GRADE STAINLESS PUMP GEARS D571572


POWERS 420-451 FULL UPGRADE KIT D572342


METSO H039294 SP SET SPOOL VALVE ASSEMBLY D568214


NEXEN 916900 5H30P 1 REPAIR KIT PILOT MT D573429


DELTA 3000 AV30002625A SINGLE CARTRIDGE STATIONARY PUMP SEAL 2.625IN D574462


MECHANICAL PUMP SEAL KIT 91868221 D574997


TACO 950-666BRP 2IN T-M21 PUMP SEAL KIT D574993


HAYWARD BS11001/32 BASKET PVC SCREEN 1/32IN PRFN D597865


HYTORK EIA-0186-S80-A00 186 PNEUMATIC VALVE ACTUATOR 116PSI D600056


ASCO 176878 RED-HAT SOLENOID VALVE REBUILD KIT FOR DUST COLLECTOR D547134


HONEYWELL ML7420A3055 135LBF 3/4 IN STROKE VALVE ACTUATOR D582122


ORBINOX PANE4NE3-1300 PNEUMATIC VALVE ACTUATOR D581890


FLOWSERVE A0K28802-01-05A-1 SNA115S06 AUTOMAX FCW ACT/BU ACTUATOR D588616


PRO-GEAR Q-1500S QUARTER TURN GEARBOX VALVE ACTUATOR 42:1 D594487


BLACKMER CD4MCU 2X3-10 STEEL PUMP IMPELLER D560351


GRUNDFOS CRN8-100 STAINLESS PUMP STACK KIT 425226 D585800


FISHER 25A6687X022 NPS 2 STAINLESS VALVE SEAT RING RETAINER D563893


REXNORD TC13 ROLLER BEARING THREADED COVER KIT SIZE 13 D561085


ROTORK K3 K-TORK PNEUMATIC ROTARY VANE ACTUATOR D564171


COOPER P05C PILLOW BLOCK BEARING HOUSING D561447


FLOWSERVE 2114530-001-11-0-CHPH STEEL IMPELLER 4-VANE 2IN ID 11IN OD D561790


PUMP IMPELLER 10-5/8IN OD 6-VANE 1-5/8IN BORE D565736


1740 DRUM SAFETY VALVE CUTTER ASSEMBLY D563478


GOULDS RC03132A 2229 STAINLESS PUMP SHAFT D566962


CKD RVD50-90-M2-D-LS ROTARY VALVE ACTUATOR D596021


SEALOL 589076-520 STAINLESS MECHANICAL PUMP SEAL 1-15/16IN D597588


DELTECH 100 DA DELTORQ PNEUMATIC VALVE ACTUATOR 116PSI D598111


ALFA LAVAL TRI-CLOVER SANITARY STAINLESS DIVERT VALVE ACTUATOR D599557


LEEDS NORTHRUP 117392 SINGLE JUNCTION REFERENCE ELECTRODE D600166


PPC AS-337-2-14-REP 1200S 3-3/8 IN MECHANICAL SHAFT SLEEVE PUMP SEAL D542484


PATTERSON 23000070 STAINLESS PUMP SHAFT REPLACEMENT PART D538493


2687489 2-VANE 9-3/4 IN OD 1-3/16 IN ID BRONZE PUMP IMPELLER D542947


WARMAN RUBBER 5-VANE 15-1/2IN OD PUMP IMPELLER D530964


BBC 4320-963564 7-VANE 10-1/2IN OD 2-1/4IN BRONZE PUMP IMPELLER D534974


DEZURIK 10 IN IRON KNIFE GATE VALVE BODY REPLACEMENT PART D535124


0013-21905-111M0 50838957 3-3/8IN ID 16-3/4 IN OD STEEL PUMP IMPELLER D551369


GT ATTUATORI GTXN.127X90.NP22A.2003 PNEUMATIC VALVE ACTUATOR D535372


FLOWSERVE GEB2786024A STAINLESS PUMP GLAND ASSEMBLY D522052


SUNDYNE SH01AG18BA STEEL PUMP SHAFT ASSEMBLY D522532


LUBBERING 89721001 OPEN GEARED OFFSET HEAD 15/16 IN 6PT 1/2 IN DRIVE D535419




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