描述
由于接地電網(wǎng)在減輕故障接地的危險(xiǎn)、穩(wěn)定系統(tǒng)的電位等方面有一定的優(yōu)勢(shì)而被廣泛應(yīng)用。如果沒(méi)有特殊要求,我國(guó)的低壓電網(wǎng)一般采用接地方式。從前面的分析可知,在這樣的電網(wǎng)中是不許將設(shè)備保護(hù)接地的。另一方面,隨著電子技術(shù)突飛猛進(jìn)的發(fā)展,集成電路、晶體管等半導(dǎo)體器件在各種設(shè)備上得到了越來(lái)越廣泛的應(yīng)用。這類設(shè)備上的地線除確保人身安全外還有防止靜電和電磁干擾、提高設(shè)備可靠性的作用。這樣的設(shè)備一般要求保護(hù)接地。對(duì)于這類設(shè)備,它們的地線可按以下3種情況酌情處理。
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絕 對(duì)優(yōu)勢(shì),絕 對(duì)低價(jià)!絕 對(duì)正品,優(yōu)質(zhì)的產(chǎn)品,一流的服務(wù),充足的庫(kù)存,
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國(guó)AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國(guó)西屋)系列產(chǎn)品》
⑤SIEMENS(西門(mén)子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(??怂共_):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門(mén)子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂(lè)):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Indramat REFU RS51.1-4G-006-L?-V1-FW CFG-RD500-NN-NN
Indramat KDF1.2-100-300-?W1-2 Servoregler 220V
INDRAMAT TDA 1.3-100-3-A00 SPINDLE DRIVE Reparatur
INDRAMAT Servo Controller TDM1.2-050-300-?W1-220 NEU
INDRAMAT HDS04.2-W200N-H?S56-01-FW DSS02.1M DAE02.1M
Indramat Servomotor MAC112B-0-GB-3-?C/130-A-1
INDRAMAT A.C Servo TVD 1.3-08-03/S007
INDRAMAT AC-Servo Controller HDS03.2-W075N-H?S45-01-FW
Indramat AC-Controller HDS03.2-W100-HS?45-01-FW NEW
Indramat AC-Controller HDS03.2-W100-HS?45-01-FW NEW
INDRAMAT MDC3.20C/MM-1/W?I307 GLEICHSTROMSERV?OMOTOR
Indramat AC-Servo Controller DDS02.2-A100-BE?45-01-FW
Indramat AC-Servo Controller DDS02.2-A100-BE?12-01-FW
Indramat AC-Servo Controller DDS02.2-A100-BE?12-01-FW
REXROTH INDRAMAT MAC112D-0-FD-2-?C/130-A-0 Servomotor
REXROTH INDRAMAT MAC112D-0-HD-2-?C/130-A-0 Servomotor
INDRAMAT MAC112C-0-ED-3-?C/180-A-2/S029 Servomotor
INDRAMAT MAC112D-0-FD-3-?C/130-A-0/S005 Servomotor
REXROTH INDRAMAT MDD115C-N-015-N?2L-130GA0
REXROTH INDRAMAT MDD112C-N-015-N?2L-130GA3
INDRAMAT HDS03.2-W075N-H?S56-01-FW DSS02.1M DAE02.1M
INDRAMAT MAC112C-0-HD-2-?C/180-A-0/S011 Servomotor
INDRAMAT MAC112C-0-HD-2-?C/130-A-1 Servomotor
INDRAMAT MAC112B-0-PD-2-?C/130-A-2/S018 Servomotor
INDRAMAT MAC115B-0-DS-4-?C/180-B-1/WI522?LV Servomotor
INDRAMAT MAC115D-0-CS-4-?C/180-A-1/WI522?LV Servomotor
INDRAMAT MAC112C-0-ED-3-?C/130-A-2/S013 Servomotor
Indramat AC-Servo Controller DDS02.2-A100-BE?45-01-FW
INDRAMAT TDM 1.2-30-300 CONTROLLER TDM1.2-30-300-W?1 _
INDRAMAT MAC112D-0-ED-3H?C/180-A-2/S019 Servomotor
Indramat DKS 1.1-W100A-RS01-?01 DKS 1.1-W100A-RS 01-01
INDRAMAT DKC11.3-040-7-F?W EcoDrive Digital Servo Drive
Indramat 1TRM2(TRM2-G11-W0/00?5 dc servo drive)
INDRAMAT DDS02.1-W050-D AC SERVO CONTROLLER
INDRAMAT DDS02.1-W050-D AC SERVO CONTROLLER
REXROTH INDRAMAT MAC112C-0-KD-2-?C/180-A-2/S029
INDRAMAT TVM-2.2-050-220?/300-W1-220/380 NEU+OVP
Indramat A.C Servo Controller DDS 2.1-W050-DA01-0?0 TOP
Indramat A.C Servo Controller DDS 2.1-W050-DA02-0?0 TOP
Indramat A.C Servo Controller DDS 2.1-W050-DA02-0?1-FW
Indramat Servo Controller HDS04.2-W200N-H?S32-01-FW
Indramat AC Servo Controller DDS 2.1-F050-D
Indramat AC Servo Controller DDS02.1-F150-D
Indramat REFU RS51.1-4G-006-L?-V1-FW CFG-RD500-NN-NN
INDRAMAT HDD02.2-W040N-H?D12-01-FW DSS02.1M HSM01.1-FW
Indramat Rexroth Power Supply KDR 1.1-100-220-300?-W1
INDRAMAT Servo Controller HDS03.2-W100N-H?S12-01-FW NEU
INDRAMAT Servo Controller HDS03.2-W100N-H?S12-01-FW NEU
INDRAMAT Servo Controller HDS03.2-W100N-H?S12-01-FW NEU
Indramat TDM 1.2-050-300 W1 Servo Controller
Indramat TDM 1.2-100-300-W1-?2 Servo Controller
Indramat TDM 1.2-100-300 W1 Servo Controller
INDRAMAT DIGITALER ANTRIEBSREGLER HDS 03.2-W100N-HS12?-0
Indramat MDC3.41B/MMA-1 Gleichstromserv?omotor
INDRAMAT Servomotor MAC112B-1-GD-4-?C/130-A-1(WI517?L/S05
INDRAMAT TDM 1.2-30-300-W0 AC SERVO CONTROLLER
INDRAMAT TVM 2.2-050-220/300?-W1 POWER SUPPLY TVM2.2-05
Indramat CLM 01.3-X-E-2-B-FW CLM01.3-X-E-2-B Mok 11
Rexroth INDRAMAT Servomotor MAC092B-0-QD-2-?F/095-A-0
Indramat Umrichter RAC.Board 256047-02738-A04
Indramat Umrichter RAC.Board 256047-02820-A04
INDRAMAT AC-Servo Controller HDS03.2-W075N-H?S45-01-FW
Bosch Rexroth Indramat CPU 1070075642-202 CC10.3
Bosch Rexroth Indramat CPU 1070075642-203 CC10.3
Bosch Rexroth Indramat CPU 1070075642-204 CC10.3
REXROTH INDRAMAT MKD112B-024-KG0?-AN Servomotor
INDRAMAT DDS2.2-W025-B DDS 2.2-W025-B DDS2.2W025-B
INDRAMAT DDS03.2-W030-B DDS03.2W030-B DDS 03.2-W030-B
INDRAMAT TVM 2.4-050-220/300?-W1/115/220 TVM2.4-050-22
Indramat DDS 3.1-W030-DA02-0?0 A.C Servo Controller
INDRAMAT TRK2-C11-W0/001 2 PULS-THYR.-REGE?LVERST?RKER
INDRAMAT Servo Controller HDS03.2-W075N-H?S12-01-FW NEU
INDRAMAT Servo Controller HDS03.2-W075N-H?S12-01-FW NEU