39SAMCAN產(chǎn)品說(shuō)明:
39SAMCAN聯(lián)系人:嚴(yán)小姐
T:0592-5709823
P:
F:0592-5709828
廈門(mén)卡庫(kù)電氣主營(yíng):
《施耐德》(schneider),《莫迪康》(modicon),《AB》,《ABB》,《西門(mén)子》,《三菱》,《歐姆龍》,《GE》等多種品牌..........
變電所中低壓母線的出線數(shù)量多,操作頻繁,三相導(dǎo)線間距離近,容易受小動(dòng)物危害,設(shè)備的制造質(zhì)量標(biāo)準(zhǔn)較低,因而其故障率遠(yuǎn)高于高壓母線及主變。主變及高壓母線一般均安裝差動(dòng)保護(hù),其保護(hù)范圍內(nèi)的故障能快速切除;而中低壓母線則由主變的后備保護(hù)動(dòng)作來(lái)切除故障,一則對(duì)故障的配電裝置產(chǎn)生了極大的破壞,二則使主變的線圈變形進(jìn)而常使主變損壞,兩種惡果在故障后均需長(zhǎng)時(shí)間才能修復(fù),造成社會(huì)的不良影響和巨大的經(jīng)濟(jì)損失。如某220kV變電所的10kV配電裝置曾發(fā)生兩次燒毀及一臺(tái)31.5MVA主變因線圈變形嚴(yán)重沒(méi)有及時(shí)修復(fù)而燒毀。因此,裝設(shè)中低壓母線保護(hù)十分必要,特別是母線短路容量較大的變電所。
2 中低壓母線保護(hù)的構(gòu)成在主變中低壓側(cè)、母聯(lián)開(kāi)關(guān)和各出線原有電磁型繼電保護(hù)直流電路,利用PLC進(jìn)行邏輯比較,以判斷是保護(hù)區(qū)內(nèi)故障還是區(qū)外故障,判斷為區(qū)內(nèi)故障則瞬時(shí)跳主變?cè)搨?cè)開(kāi)關(guān),延時(shí)跳主變其它側(cè)開(kāi)關(guān)。2.1 10 kV母線保護(hù) 該變電所的10kV主接線簡(jiǎn)圖如圖1,各出線沒(méi)有電源,各出線、母聯(lián)保護(hù)采用二相不完全星形的電流速斷和過(guò)電流保護(hù),主變低壓側(cè)設(shè)有三相完全星形復(fù)合電壓過(guò)電流保護(hù)。利用時(shí)間繼電器的瞬時(shí)閉合觸點(diǎn)作PLC的輸入接點(diǎn),PLC輸出控制DZ52型中間繼電器以跳主變各側(cè)開(kāi)關(guān)。其輸入輸出接線如圖2,PLC梯形圖如圖3。主變低壓側(cè)采用三相完全星形與各出線、母聯(lián)保護(hù)采用二相不完全星形接線,可以防止母線B相與出線的A或C相發(fā)生兩點(diǎn)接地短路時(shí),因出線保護(hù)動(dòng)作跳閘后,母線長(zhǎng)時(shí)間單相接地?cái)U(kuò)大化為母線相間短路。PLC所用的交流電源由在線式的UPS提供。
GE Drive AF-300$, 6KAF343F50M$A1, (NIB) 1/2 HP
Reliance SP200 S20-402P0B1000 1HP 380-480 Volts AC Drive(NIB)
Centroid CHOP2 REV 880615 Servo Control Board
Stanley X5625 Type SMA8215-SAT-1C Servo Drive
Siemens 6RB2000-0GA00 Simoreg Control Board 447 700.9060.00IND.G
Monarch E82252 Operator Panel Converter Control Board(Read
BerghofDIO 16/16-0,5 CANopen,
Bay State Abrasives 17A-60-L8-V56, 9 X 3.5 X 1.75 (Box oftwo
Turck Busstop DeviceNet CDN-IM-16-0019 (NIB)
Introl Design, Inc. 249-1B Regen DC Drive
CKD HEP-4CS-S33-D Pneumatic Gripper With S3 CKD Sensors
KB Electronics Camco Vari-Pak 92A61633010000 DC MotorControl
AOpen AX6BC Pentium III Motherboard
Dynapath Autocon 4204001 B Servo Control Board
Fischer & Porter 685B574U01 12 Bit D/A 685B574 Control Board Rev4
Modicon PC-A984-120 Processor (NEW?)
Fanuc A16B-1211-0901/13B PMC-M Board A16B-1211-0901
ue XCK J5984F0H4 Safety Interlock Switch
B&R Acopos 1016 Servo Drive AS IS FOR PARTS ONLY
Monarch M10076 Operator Panel Interface Control Board
Allen Bradley 1746-NT4 Series B Isolated Thermocouple Module
Boyer-Schultz 00RT Roller Box Tool
Mitsubishi F2-6A-E Analogue I/O Unit (NIB)
Fanuc A20B-0007-0061.01A A20B-0007-0061/01A
Allen Bradley 1784-PM02AE-TP03 Termpanel W/Cable
Allen Bradley 1305-RFB-12-C Input RFI Filter
Benedikt & Jager LT125 EHN34 T322, Disconnect (NIB)LT125EHN34T322
Mitsubishi MR-J2-20A Melservo Servo Drive
omputer Boards Inc. CIO-DAS1600/12
Controlues Digitax DBE1100S
Controlues Digitax DBE750
Allen Bradley 1394C SJT22 T RL, 22kW Axis Controller
Siemens CPU948R 6ES5 948 3UR12
Siemens CPU948, 6ES5 948 3UA13
Siemens OP37, 6AV3 637 1LL00 0AX0, HMI, Operator Panel
Siemens Sinumerik CPU 810D, 6FC5410 0AX02 1AA0
Allen Bradley 4100 234 RL, 4 Axis Motion Controller
Controlues Digitax DBE 140
Siemens 6ES7 416 2XK04 0AB0 CPU
Mitsubishi , CPU
Siemens 6ES7 414 4HM14 0AB0 CPU
Siemens 6ES7 416 2XN05 0AB0 CPU
Siemens CPU 416-2DP, 6ES7 416 2XL01 0AB0
Controlues Digitax DBE 420
Siemens PC670, 6AV7 723 1AC10 0AD0, HMI, Operator Panel.
Allen Bradley Bulletin 1394 SJT10 C 10kW IMC S Class SystemModule
Siemens COROS OP45, 6AV3 545 1VD12 3FX0, HMI, Operator Panel
Siemens 6ES5 945 7UA23 CPU
Siemens OP37/PRO HMI, Operator Panel. 6AV6 541 0AA05 0BA0
Siemens 6ES7 416 1XJ02 0AB0 CPU
Siemens PC 677B, 24VDC, HMI, Operator Interface
Controlues UNI3404, 30kW Servo Drive
Siemens 6ES5 948 3UA13 CPU
Siemens Simatic C7 - 626, 6ES7 626 2AG02 0AE3, HMI,Operator
ELAU PMC 2/11/08/000/00/04/11/01/0K, Servo Controller
Allen Bradley Logix 5564, 1756 L64B
ue, Schneider Modicon, TSXP575634M, CPU
Siemens Sinumerik NCU 572, 6FC5357 0BA20 0AE0
Siemens Sinumerik 840D BS003 PCU50, 6FC5210 0DF22 0AA0
Controlues Digitax DBE 750, Servo Drive
Siemens CPU 414-3 PN/DP, 6ES7 414 3EM05 0AB0
ue Magelis XBT F024510, HMI, Operator Interface
Siemens CPU416-3, 6ES7 416 3XL00 0AB0
Siemens CPU414-3, 6ES7 414 3XM05 0AB0
Siemens MP370 Key 12", HMI, Operator Panel. 6AV6 542 0DA100AX0
Siemens MP270B, 6AV6 545 0AG10 0AX0, HMI, Operator Interface
Siemens CPU414-3, 6ES7 414 3XJ04 0AB0
Siemens COROS OP35, 6AV3 535 1FA01 0AX0, HMI, Operator Panel
Siemens OP270 Key CSTN 10, 6AV6 542 0CC10 0AX0, HMI,Operator
Siemens Sinumerik 840D/DE NCU, 6FC5357 0BB34 0AE1.
Siemens Sinumerik 840 D,NCU 572.2, 6FC5357 0BB21 0AE0
Allen Bradley 1756 L73 B
Omron NSJ12 TS01B G5D,
Siemens Sinumerik 840D NCU573.4,
Omron NT620C ST141B,
Omron NS15 TX01B V2,
AllenBrdley Panelview 1000, 2711 T10 C16 HMI, Operator Panel
ue Magelis XBTFC084510
ue Magelis XBT F024310TA, HMI, Operator Interface
ue Magelis XBT FC084310 HMI, Operator Panel
Allen Bradley 1394 SJT10 T RL Servo Controller
Allen Bradley / SST Profibus Master, SST-PFB-PLC5
Siemens Sinumerik 840D / DE, NCU572.3, 6FC5357 0BB22 0AE0
Siemens CPU319-3 PN/DP, 6ES7 318 3EL01 0AB0
Siemens OP35 Colour, HMI, Operator Panel, 6AV3 535 1TA010AX0
Siemens 6ES7 633 2BF02 0AE3, C7 633 DP, PLC, HMI, OperatorPanel
Siemens Sinumerik 810D/840DI/840D, PCU50, 6FC5210 0DF20 0AA0
Siemens PC877 19", 6AV7814 0BB21 2AC0, HMI, Operator
ues UNI3403, 22kW Servo Drive
Siemens Sinumerik 6FX1131 5BA01
A-B,GE FANUC,施耐德,西門(mén)子,西屋
電氣設(shè)備批發(fā);計(jì)算機(jī)、軟件及輔助設(shè)備批發(fā);通訊及廣播電視設(shè)備批發(fā);其他機(jī)械設(shè)備及電子產(chǎn)品批發(fā);經(jīng)營(yíng)各類商品和技術(shù)的進(jìn)出口(不另附進(jìn)出口商品目錄),但國(guó)家限定公司經(jīng)營(yíng)或禁止進(jìn)出口的商品及技術(shù)除外;其他未列明批發(fā)業(yè)(不含需經(jīng)許可審批的經(jīng)營(yíng)項(xiàng)目);其他未列明零售業(yè)(不含需經(jīng)許可審批的項(xiàng)目);通信設(shè)備零售;...
廈門(mén)卡庫(kù)電氣有限公司是一家長(zhǎng)年專業(yè)從事全球知名品牌abb dsqc機(jī)器人系統(tǒng)模塊備件及西門(mén)子摩爾(siemens moore apacs)控制系統(tǒng)零部件銷售企業(yè)、我們售出的備品備件均提供一年的質(zhì)量保證、并且都經(jīng)過(guò)了嚴(yán)格的測(cè)試和認(rèn)證。 公司自成立以來(lái)始終堅(jiān)持以純電子商務(wù)模式運(yùn)營(yíng)、縮減中間環(huán)...