描述
跳闸是向电力机车供电的牵引供电系统的安全运行应该得到保证。一旦发生事故,安装于牵引变电所(开闭所、分区亭)内的继电保护装置即被事故产生的短路电流启动,自动将向事故点供电的断路器断开,以缩小事故范围,保证其他设备的安全运行和向非事故线路正常供电。这种因事故而自动断开断路器的动作,习惯上称为“跳闸”。
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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。
Nuovo Pignone 48″Class 600 Buttweld Ball Valve 2Pcs
Masoneilan 16″300LB Control Valve
Baker 6″600LB Aluminum Bronze Mud Gate Valve
Endress&Hauser LevelFlexM FMP45 Level Radar Transmitter
Endress Hauser LevelFlexM FMP45 Level Radar Transmitter
Magtech LTM-300S-44IN Magnetostrictive Level Transmitte
Fireye 65UV5-1000 Unitized Flame Scanner 24VDC 3Pcs
Endress&Hauser LevelFlex FMP40 Radar Level Transmitter
Magtech LTM-300S-14″Magnetostrictive Level Transmitter
Panametrics XMT868 Ultrasonic Flow Transmitter 2Pcs
Mitsubishi FR-F2-C7.5K 10HP Freqrol Motor Drive
Panametrics XMT868 Ultrasonic Flow Transmitter
Enterasys Networks Module 6H262-18
Endress&Hauser Prowirl 72 Vortex Flowmeter
Shadow VI 48″Light Curtain Transmitter&Receiver
Travaini TMA 50-3/1X-C/F Multi Stage Centrigugal Pump
Fanuc Robotics Accuflow Counter Input EE-1063-001 4Pcs
Banner MGR3616A 36″Light Curtain Receiver
Foxboro 2AT-CAL Spec 200 System Calibrator
Guardian Manufacturing GM-DC3 350LB Pneumatic Balancer
Guardian Manufacturing GM-A3 350LB Pneumatic Balancer
Cabletron 2E42-27R Smart Switch 2200
SS Technologies Direct Link 5136-SD Interface Card 2Pcs
Cabletron 2H252-25R Smart Switch 2200
Precision Scientific Cell Assembly Freeze 00463570 2Pcs
1 Lot John Crane Mechanical Seals&Seals
Bijur GPO-125 15 Litre Reservoir Exp Proof Motor System
Magnetrol B15-1H3B-BLB Liquid Displacer Level Switch
Cutler Hammer A201K1CA Model J Non-Reversing Contactor
Garlock G-200 5/8″5Lb Box Graphite Pump Packing 12Pcs
Allen-Bradley 1326AB-B520E-21-75 AC Servo Motor
Allen-Bradley 1326AB-B520E-21 Servo Motor
1 Lot CPVC True Union Ball Check&Ball Valves 42Pcs
WEG CFW07 Variable Frequency Drive IGBT Inverter
Multilin Model 139 Motor Protection Relay
Cabletron Smart Switch Module 6H252-17
3 Only Dynamatic Driver Boards
Asco EF8015B224 Explosion Proof Manual Reset Valve
Asco Explosion Proof Internal Pilot Valve 2-Way 1/2″
Reuland Magnetic Brake OCFM-J16N25-00
Sieger Honeywell 705 Series Combustible Gas Sensor 6 Pc
Thomson Micron Nema True NTR42-002 Right Angle Gearhead
Penberthy MGT-362 Continuous Level Transmitter
Mitsubishi Freqrol Z200 Frequency Inverter Drive
Telesis TMM5000 Pinstamp Marking System Head
Endress&Hauser Liquiphant M Vibration Limit Switch
United Electric Controls Explosion Proof Switch 2Pcs
Mitsubishi FR-BU-C22K Dynamic Braking Unit
Jordan 2″300LB Flg 316SS Sliding Gate Valve Regulator
EMS G5 Series Vector Control Variable Frequency Drive
Servomex S1750702 C02 Cell For Model 2700 4Pcs
Fisher Electronic Position Transmitter Type 4221
Todd Combustion Atomizer Assy#Atomizer-28
ProTech Bearing Isolator LBE-3938-4960-D98 6Pcs
Todd Combustion Dynalite Ignitor#I-04-01-0138
Rosemount 3051S1 Supermodule Output Hart Transmitter
Banner MGE3616A 36″Light Curtain Emitter
6 Only Gould Modicon Modules
Electro Cam PS-5124-24M09H Programmable Limit Switch
Kromer Zero Gravity Tool Balancer 7240-6