SEC-4400

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描述

SEC-4400

 电动机是工厂用得最多的设备,电动机的容量应合理选择。要避免用大功率电动机去拖动小功率设备(俗称大马拉小车)的不合理用电情况,要使电动机工作在高效率的范围内。当电动机的负载经常低于额定负载的40%时,要合理更换,以避免电动机经常处于轻载状态运行,或把正常运行时规定作△接法的电动机改为Y接法,以提高电动机的效率和功率因素。对工作过程中经常出现空载状态的电气设备(例如拖动机床的电动机、电焊机等),可安装空载自动断电装置,以避免空载损耗。 工矿企业在合理使用变压器、电动机等设备的基础上,还可装设无功补偿设备,以提高功率因数。企业内部的无功补偿设备应装在负载侧,例如在负载侧装设电容器、同步补偿器等,可减小电网中的无功电流,从而降低线路损耗。所谓两部制电价,就是把电价分成两个部分,其一是基本电价,其二是电度电费。基本电价是根据用户的变压器容量或最大需用量来计算,是固定的费用,与用户每月实际取用的电度数无关。电度电费则是按用户每月实际取用的电度数来计算,是变动的费用。这两部分电费的总和即为用户全月应付的全部电费,实行两部制电价可以促进用户提高负荷率和设备利用率。如果用户的负荷率较低,而变压器的容量又过大,则用户支付的基本电费就较高,反之就较低。在用户按不同类别计算出当月全部电费时,按照电力部门的规定,若功率因数高,则可减免部分电费,反之则增收部分电费。采用远红外加热技术,可使被加热物体所吸收的能量大大增加,使物体升温快,加热效率高,节电效果好,耐火纤维材料配合使用,节电效果更佳。在工矿企业中有许多设备需要使用直流电源,如同步电机的励磁电源,化工、冶金行业中的电解、电镀电源,市政交通电车的直流电源等。以前这些直流电源大多是采用汞弧整流器或交流电动机拖动直流发电机发电,它们的整流效率低,若改用硅整流器或晶闸管整流装置,则效率可大为提高,节电效果甚为显著。此外,采用节能型照明灯,在大电流的交流接触上安装节电消声器(即直流无声运行),加强用电管理和做好节约用电的宣传工作等,也都是节约用电的重要措施。

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保 证 安全准时发货,
保 证售后服务质量,
优势价格,大量现货。

主营DCS系统配件
机器人系统配件
大型伺服系统配件
品牌:ABB   ,AB  ,GE,FOXBORO,本特利,英维思,伍德沃德,西屋,瑞恩,施耐德,西门子,摩托罗拉,安川。力士乐。ACSO,横河等进口品牌。 专业销售进口DCS  PLC系统备件模块
Triconex Siemens Yaskawa ABB GE Ovation AB Foxboro Motorola Schneider XYCOM KUKA
  专业销售进口DCS  PLC系统备件模块 15天包退换 一年质保 大量现货  国内实力库存商家

Anritsu 560-7N50B RF Detector

Anritsu MF-76A Frequency Counter 2 chan 18 GHz

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Anritsu 34VVF50 34VV50 DC-60GHz ** VERY NICE**

Anritsu Site Master S331D Cable Antenna SiteMaster S331
@CALIBRATED@SA?LE@25MHz-4GHz@?Open/Short/Loa?d@90DWrnty@

Anritsu 34VFK50 + 34VFKF50 DC to 46GHz *** VERY NICE **

Anritsu V240C Precision Power Divider DC to 65 GHz !!!!

Anritsu / Wiltron SWR Autotester 2-12 GHz

Anritsu K241C Precision Power Splitter DC to 40 GHz !!!

Anritsu MS2711 Spectrum Analyzer

Anritsu MT8802A Radio Communications Tester
Calibrated and guaranteed, 14-day ROR, 30-day warranty!

Anritsu Site Master S325D Cable Tester, 250 – 2500 MHz

Anritsu LD Stabilized Light Source MG97A1

Anritsu MT8801B Radio Communications Analyzer
One-day shipping available

Anritsu ME447A Transmission Measuring Set

anritsu DC-18Ghz power Sensor‘s adapter (repair part)

ANRITSU MA2473A POWER SENSOR 10MHz-32GHz -70 TO +20dBM
Expedited shipping available

Anritsu Site Master S331A Cable/Antenna Analyzer

ANRITSU MS-2028B 20GHZ MICROWAVE VNA MASTER
10- MONTH WARRANTY-FACTO?RY- NEW LIST $34,950.00

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Anritsu ML93B Optical Power Meter -40 to +10 dBm W/GPIB

ANRITSU MA2472A POWER SENSOR

Anritsu MT8801B/1/2/13 Radio Communications Tester
Calibrated, 30-day warranty/14-da?y right of return

ANRITSU WILTRON SITE MASTER S331, CABLE & ANT. ANALYZER

Anritsu Digital Error Analyzer MS550B
Bit Error Rate, Error/Second, Error Free Seconds etc

Anritsu MT8801C Radio Communications Analyzer
Calibrated, 30-day warranty/14-da?y right of return

Anritsu MP1630B BERT Error Detector Data Analyzer

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Anritsu MT8801C Radio Comm Analyzer 300kHz-3GHz MT8801
One-day shipping available

Anritsu MG3681A Digital Modulation Signal Generator

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Anritsu AG1Z101 Visible Red Laser Diode Pen Fiber Optic

Anritsu 42N50-20 20 Db 5w Attenuator

ANRITSU SITE MASTER S331C CABLE ANTENNA ANALYZER

Anritsu MP1763B-01 Digital Transmission Tester 12Gb/s
01 – Internal Clock 0.05 to 12.5GHz

Anritsu MP752A Termination, DC to 12.4 GHz

Anritsu Wideband Peak Power Meter ML2495A MA2442A Sensr
+Warranty +Free Shipping! Like New Condition LAST ONE!

Anritsu MF76A Microwave Frequency Counter

MINT Anritsu 34VV50 RF Precision Adapter DC-60GHz 50Ohm
One-day shipping available

Anritsu GN Nettest Lite 3000E Signal Analyzer

Anritsu Site Master S331B with loads & more

Anritsu Site Master S331D Antenna SiteMaster Opt3 Color
@CALIBRATED@Op?en/Short/Load@?25MHz-4GHz Range@90DWrnty?@

Anritsu Wiltron Site Master S330 Cable Antenna Analyser

Anritsu Site Master S235A Cable Antena SiteMaster
@CALIBRATED@SA?LE@Range 1250MHz to 2350MHz@90DWar?ranty@

Anritsu (Wiltron) 560-7A50 RF Detector

ANRITSU MF76A Dual-channel microwave frequency counter

ANRITSU MS2721A SPECTRUM ANALYZER 300KHZ-7.1GHZ
TESTED AND CALIBRATED WITH 90 DAY WARRANTY

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Anritsu MS420B/MH497A 10Hz-30MHz Complete Set
Network/Spectr?um Analyzer + S-parameter Test Set

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Anritsu Optical Power Sensor Model #-MA9301A

Anritsu MS610B 10kHz to 2GHz Portable Spectrum Analyzer

Anritsu 34NFNF50 Precision Adapter, N(f)-N(f), DC to 18
Free shipping to USA & Canada.

ANRITSU ME520B DIGITAL TRANSMITTER ANALYZER
One-day shipping available

ANRITSU MP1605A Error Detector 10GHz, 1651A 1653A 1764A

Anritsu 3670V50-1 V-Connector Semi-Rigid Cable ** NR!!!

ANRITSU BASE BAND BB RETURN LOSS BRIDGE MR43A

Anritsu 41KC-3 DC-40 GHz Fixed Attenuator **VERY NICE**

Anritsu MP651B Dipole Antenna

Anritsu ML2437A High Accuracy RF Power Meter
Unit Tested & Guaranteed Functional w/ ROR!

Anritsu 560-7N50 RF Detector, 10 MHz – 18 GHz, +20dB

Anritsu MT8820A /001 30 MHz-2.7 GHz Radio Comm Analyzer
One-day shipping available

ANRITSU Coaxial Power Cable Memory Card Manuals MS2602A

Anritsu V120MM-10CM Cable Semi-rigid DC to 65 GHz – NR!

ANRITSU MS-2711D SPECTRUM ANALYZER 300KHZ-3GHZ
NEW IN BOX WITH 1 YR WARRANTY

ANRITSU MS-8604A 8.5GHz SPECTRUM ANALYZER Made in Japan

Anritsu OSLN50-1 Open/Short/Load Site Master
30 Day Warranty
One-day shipping available

MINT Wiltron Anritsu S235A S235 Site Master RF Antenna
One-day shipping available

Anritsu InstaCal ICN50 2MHz-4GHz RF Site Cell Master
One-day shipping available

Anritsu Site Master S331D/S332D User’s Guide

Anritsu MS2711D 100KHz-3GHz Handheld Spectrum Analyzer

Anritsu / Wiltron S113 Cable/Antenna Analyzer 5-1200MHz

Anritsu RF Power Head / IF Power Sensor

Anritsu Wiltron Site Master S251B Cable Test S251
One-day shipping available

Anritsu Site Master S331B Cable Antenna SiteMaster S331
@CALIBRATED@SA?LE@Range 25MHz – 3.3GHz@90 Day Warranty@

Anritsu MW9010A OTDR Optical Time Domain Reflectometer
Tested & Working

Anritsu Fiberconnect-2-?USC Bare Fiber Connector

Anritsu Wiltron Site Master S331C Cable Antenna S331
One-day shipping available

ANRITSU MP1520B PDH ANALYSER

ANRITSU MG724A1 1.7-2.3GHz MICROWAVE SIGNAL GENERATOR
One-day shipping available

Anritsu Site Master S113B Cable Antenna SiteMaster S113
@CALIBRATED@Op?en/Short/Load@?5-1200MHz@90 Day Warranty@

Anritsu MG3670A/2 Signal Generator 300KHz to 2.1GHz
Calibrated, 30-day warranty/14-da?y right of return

Anritsu ML9001A Optical Power Meter w/ MA9411A sensor

Anritsu S332C Site Master Cable and Antenna Analyzer
25MHz – 4GHz ***90 DAY WARRANTY*** w/ OSLN50LF OSL
One-day shipping available

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Anritsu 22N50 Short Open Site Master SiteMaster Antenna
One-day shipping available

Rosenberger 60K 30R-MS0 Short Open Load Anritsu RF
One-day shipping available

Anritsu S332D 25MHz -4GHz Cable/Antenna Analyzer

ANRITSU MS-2721B SPECTRUM ANALYZER 7.1GHZ
OPTION-20-TRAC?KING GENERATOR-1 YR WARRANTY

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Anritsu Meter 530K Type K Thermometer Drop Probe

Anritsu ML2487A Peak Power Meter, to 50 GHz
Calibrated/30-?day warranty/14-da?y right of return

Anritsu MT8801-A Radio Comm Analyzer 300 Khz-3 Ghz

ANRITSU MS-8604A SPECTRUM ANALYZER 100KHZ-8.1GHZ
USED FOR RADIO TRANSMITTER/AN?D SPECTRUM ANALYZER USE

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ANRITSU SITE MASTER S331B 25 MHz to 3300 MHz analyser

ANRITSU 28N50-2 50 Ohm Termination

Anritsu MH353A Reflection Detector

Anritsu 560-7N50 RF Detector, 10 MHz – 18 GHz, +20dB

Anritsu ML5655A Measuring Receiver

ANRITSU W1 110GHZ CALIBRATION KIT 1-MM-W TYPE
NEW IN BOX UNUSED CONDITION- NEW LIST $36,500.00

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Anritsu ML428B Field Strength Meter
One-day shipping available

Anritsu 42N50A-30, Attenuator, 30 dB, 50 Watt, DC-18GHz

Anritsu MP1560A SONET/SDH Test Set-Used Good Condition

Anritsu 56100A Scalar Network Analyzer 110GHz

Anritsu ML9002A Optical Handy Power Meter
One-day shipping available

ANRITSU MS610B Spectrum Analyzer 10 kHz – 2 GHz

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ANRITSU MS-2721B SPECTRUM ANALYZER 7.1GHZ
NEW IN BOX WITH 1 YR WARRANTY

Anritsu Site Master S331B & S235A Cable SiteMaster
@CALIBRATED@SA?LE@S331B 25-3300MHz@90 Day Warranty@

Anritsu MS8604A/03/13 Digital Radio 8.5GHz Spec Analyz

Anritsu 15NNF50-1.5A RF Test Cable Site Master 1.5 M
One-day shipping available

Anritsu S332D Site Master Cable Antenna Analyzer 4GHz
Tested, Working, Calibrated with CERT, Accessories

MINT Anritsu 34VFVF50 Precision Adapter DC-60GHz 50Ohm
One-day shipping available

Anritsu Wiltron Site Cell Master Hardcase 760-215A S331
One-day shipping available

ANRITSU MT8820A RF COMMUNICATIONS ANALYZER
FULLY LOADED WITH OPTIONS!!!

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Anritsu 42N50A-30 Attenuator 30 dB, 50 Watt, DC-18 GHz

ANRITSU MS2711D Spectrum Analyzer 100 kHz – 3 GHz

Anritsu 37369A 40 GHz Vector Network Analyzer, 2A & 10A
Guaranteed Unit! FRESH CALIBRATION FROM ANRITSU!!

Anritsu MN9611B Programmable Optical Attenuator, Opt 25
Unit Tested & Guaranteed Functional w/ ROR!

Anritsu MG3670B Signal Generator 300 KHz – 2250 MHz
Calibrated, 30-day warranty/14-da?y right of return

Anritsu Site Master S331A Antenna SiteMaster S331
@CALIBRATED@25?MHz-3.3GHz Freq. Range@90 Day Warranty@

Anritsu Wiltron Precision Adapter 34NN50 DC to 18 GHz

Anritsu 5400-71N50 RF Detector 1MHz-3GHz +20dB Max
One-day shipping available

Anritsu MT8802A/07 Radio Com & 3 GHz Spectrum Analyzer

ANRITSU MT8212B CELL MASTER TEST SET-NEW IN BOX
SPECTRUM/NETWO?RK ANALYZER/CABLE?/TEST/POWER METER

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Anritsu/ Nettest CMA4000 w/ CMA 4425 Single-mode OTDR
inc; CMA 4425 1310/1550 SM module w/ Power Meter & VFL

Wiltron Anritsu 3620-D-15825 Microwave Coupler .5-40GHz
One-day shipping available

Anritsu ICN50 InstaCal Calibration Module

ANRITSU MT-8802A WIRELESS COMMUNICATION TEST SET
CDMA/GSM/TDMA/?SPECTRUM ANALYZER 900/1800/1900/?2100MHZ

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Anritsu MS2711A handheld Spectrum Analyzer 100kHz-3GHz

Anritsu MS8604A/03/13 Digital Radio T/S 100Hz-8.5GHz

MINT Anritsu 15NNF50-1.5C RF Test Cable Site Master
One-day shipping available

Wiltron / Anritsu 37211B 3 GHz Vector Network Analyzer
Unit Tested and Guaranteed Functional w/ ROR!

Anritsu MP721B Attenuator 6dB DC-12.4GHz 2W Fixed

ANRITSU MS2721A SPECTRUM ANALYZER 300KHZ-7.1GHZ
TESTED AND CALIBRATED WITH 90 DAY WARRANTY

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New Anritsu SM/PL Precision Load Site Master SMPL
One-day shipping available

ANRITSU MH680B 2 GHz Tracking Generator Sig Src 85640A

ANRITSU SPECTRUM ANALYZER MS2802A 100Hz TO 32Ghz 1991

ANRITSU 22N50 SiteMaster Open / Short

Anritsu ANR MG431A Noise Generator

Anritsu MS2711 handheld Spectrum Analyzer 100kHz-3GHz

Wiltron Anritsu Site Master S331A Cable Antenna S331
One-day shipping available

Anritsu ML83A Power Meter w/ MA73A 18 GHZ Sensor TESTED

Anritsu MW920A Optical Time Domain Reflectometer

Anritsu ML83A Power Meter

Anritsu Wiltron 18N50 Air Line 2 to 18GHz

Anritsu 68147B 10 MHz – 20 GHz Signal / Sweep Generator
Tested & Guaranteed w/ Options 2A, 11, 15A, 16 & 19!!

Anritsu MP1651A Error Detector .05-3GHz
Calibrated, 30-day warranty/14-da?y right of return

Anritsu MT8212B Cell Master, Handheld Base Station

Anritsu MS555B/102 Communications Analyzer 25 – 100MHz
Calibrated, 30-day warranty/14-da?y right of return

Anritsu MP1220B Atm Quality Analyzer

Anritsu Wiltron 560-7K50 RF Detector

Anritsu MG923A Light Source
Calibrated, 30-day warranty/14-da?y right of return

Anritsu Wiltron 74N50B RF Detector 10MHz to 12.4GHz

Anritsu Precision OSL Calibration Kit 2000-768
Includes Qty 2 of 2000-768 and 1 2000-767

Anritsu MD1620B Signalling Test with opt 1, 2, 3
One-day shipping available

ANRITSU S-810C MICROWAVE SITEMASTER 3300MHZ-10GHZ
TESTED AND CALIBRATED-1 YR WARRANTY

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Anritsu ML8720B W-CDMA Area Tester

ANRITSU Model 560-7N50B RF Detector 10 MHz to 20 GHz

Anritsu 3GHz Spectrum Analyzer Com Manuals MT8802A /07

ANRITSU S331D CABLE AND ANTENNA ANALYZER

ANRITSU MS710A SPECTRUM ANALY 100KHZ-23GHZ 2week warant

Anritsu ME3401A Receiver Transmit Transmission Test Set
One-day shipping available

Anritsu MS8604A/03/13 Mobile/Cellular Radio Test Set

Anritsu Wiltron MA2472A 10 MHz – 18 GHz Power Sensor
Unit Tested and Guaranteed Functional w/ ROR!

Anritsu MW98A Optical Time Domain Reflectometer OTDR

MINT Anritsu 15NN50-1.5A RF Test Cable Site Master 1.5M
One-day shipping available

ANRITSU MT8801C RADIO COMMUNICATION ANALYZER

Anritsu MS2651B Portable Spectrum Analyzer

Anritsu 37369D Vector Network Analyzer
40 MHz – 40GHz with opt 2A, 15K

Anritsu S331C Site Master, Cal w/ Cert, ROR

Anritsu S820A SiteMaster 3.3GHz-20GHZ w/ Calibration

Anritsu MP721A 3 dB Fixed Attenuator , DC ~ 12.4GHz

NEW Workhorse Cable WHU18-1818-072 Anritsu 15NN50-1.5
One-day shipping available

Anritsu MA4601A Power Sensor

Anritsu ML8753A Handy Measuring Receiver LCD Broken

Anritsu MD8470A Mobile Phone Signaling Tester GSM/WCDMA

ANRITSU MS8604A Digital Mobile Radio Transmission Test

Anritsu MA4601A Power Sensor 100kHz-5.5GHz -30 to+20dBm

ANRITSU MS-2683A DIGITAL SPECTRUM ANALYZER
OPTION 003- FREQ 9KHZ-7.8GHZ FREQ RANGE

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New Anritsu 22N50 Short Open Site Master Antenna
One-day shipping available

Anritsu SM-PL-1 Precision Load, DC to 6 GHz, 42 dB, N(m

PLC模块,可编程控制器,CPU模块,IO模块,AI模块,通讯模块。AB/施耐德/ABB/GE/本特利/西屋/英维斯/霍尼韦尔/黑马/FU克斯波罗

15天包退换 一年质保 大量现货  国内实力库存商家


选择深圳长欣,选择放心,售后无忧大量现货,当天顺丰发货!
主营:本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。

先介绍几点经验。
1、先通读一遍“系统手册”(不管能不能看懂,先了解个大概,以便学习编程时查找);
2、由位控逻辑入手,逐渐增加定时、计数等条件,把或、与、非关系理顺;
3、进而练习整数运算、实数运算、类型转换;
4、量程转换、PID调节回路的建立及P、I、D参数的理解(最好是有个物理回路验证,比如变频器+电机+测速传感器);
5、循环、顺序、跳转等程序控制(尽量避免跳转,非跳不可时也是跳的越近越好);
6、中断、通讯、位置控制....

本人以ABB工业机器人配件DSQC系列和Motorola MVME系列,GE 卡件 模块 驱动器系列为主攻。各位电工朋友可根据自己的条件选择适合自己的PLC品牌,由于PLC的基本框架大同小异,学会一种至于其它的学习起来也就简单了。