描述
它是以三相波形整體生成效果為前提,以逼近電機(jī)氣隙的理想圓形旋轉(zhuǎn)磁場軌跡為目的,一次生成三相調(diào)制波形,以內(nèi)切多邊形逼近圓的方式進(jìn)行控制的。經(jīng)實(shí)踐使用后又有所改進(jìn),即引入頻率補(bǔ)償,能消除速度控制的誤差;通過反饋估算磁鏈幅值,消除低速時(shí)定子電阻的影響;將輸出電壓、電流閉環(huán),以提高動(dòng)態(tài)的精度和穩(wěn)定度。但控制電路環(huán)節(jié)較多,且沒有引入轉(zhuǎn)矩的調(diào)節(jié),所以系統(tǒng)性能沒有得到根本改善。
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主營:世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國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(美國西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(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(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):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。
UNIT UFC-1000 2 SLPM MFC MASS FLOW CONTROLLER(NEW)
UNIT UFC-1000 25 SCCM MFC MASS FLOW CONTROLLER(NEW)
CELERITY IN3XP AARAE9002 SiH4 MASS FLOW CONTROLLER(NEW)
HP 3324A 21MHz SYNTHESIZED FUNCTION/SWEEP GENERATOR
Granville Phillips 316 Vacuum Gauge Controller
VAT 14040-PE44-0003 4″SERIES 14 Pneumatic Gate Valve
MKS TYPE 649/649A HE 10Torr/100SCCM Pressure Controller
PARKER 4450-DM/4601 MULTI PRECISION LINEAR SLIDE’S
HVA 21211-0609R-126?S3 Vacuum Gate Valve Pneumatic 6″
HP 5334A UNIVERSAL FREQUENCY COUNTER W/HP-IB
HP 8082A PULSE GENERATOR
Advantech IPC-610P-260 INDUSTRIAL COMPUTER 610
SAM/Hitachi SFC1470F 500 SCCM Mass Flow Controller(NEW)
Riken Keiki RI-413A NDIR Halocarbon Portable Analyzer
KIMMON CD4163R-F 1.520KV HELIUM CADMIUM LASER HEAD
NANOMETRICS(P/N 7200-016501)Interim Supply Box
Allen-Bradley/A?B 1398-DDM-009-DN Ultra Servo Drive
GE FANUC CP946N COMPACT CPCI LAYER 2 MANAGED SWITCH
PHOENIX CONTACT MCR-PSP 2811912 TRESHOLD SWITCH
RKI 1003-03(QTI 58-EE-B1693 REV.B)GAS MONITOR SYSTEM
MTI Microtrak 7000 Laser Displacement Sensor
ALLEN BRADLEY 6180 INDUSTRIAL COMPUTER
HP/Agilent 3746A Selective Level Measuring Set
ADEPT TECHNOLOGY MV-10 30340-40000 ROBOT CHASSIS
ADEPT 10332-11000 MANUAL CONTROL III OPERATOR FOR ROBOT
ORIENTAL MOTOR VEXTA UDK5114NW2 5-PHASE DRIVER
HP 1712A 200 MHz Dual-Delayed Sweep OSCILLOSCOPE
XILINX HW-130 PROGRAMMER XC1700 SPROM DIP-8 ADAPTER
HP/AGILENT 1631D LOGIC ANALYZER(25 MHz-100 MHz)
SANYO DENKI PV1A030SGDNP50 BL SUPER SERVO AMPLIFIER
Vickers FG-02-1500-50 Flow Control Valve NO Keys
STEAG 17000748.b CONTROLLER/Heng?stler Grado 901
TOHNICHI 1200ATG A MICRO TORQUE GUAGE 2-18 OZF-IN
SIEMENS 6ES7335-7HG01-0?AB0 ANALOG I/O MODULE SIMATIC S7
HONEYWELL/DIGIT?RONIK SDC 350 CONTROLLER SDC350 5G(NEW)
DOUBLE E ULTRA CHUCK AIR-INFLATED BLADDER CHUCK
LAMBDA LQ-530 0-10V/14.0A REGULATED DC POWER SUPPLY
National Instruments NI GPIB-120A Bus Expander/Isolat?or
MKS 2259C 500 SCCM GAS N2 MASS FLOW CONTROLLER+NUPRO
UNIT UFC-1500A 5 SLM GAS HE MASS FLOW CONTROLLER
McMILLAN CO.80D GAS N2 5 L/MIN MASS FLOW CONTROLLER
McMILLAN CO.80 GAS N2 200 mL/MIN MASS FLOW CONTROLLER
UNIT UFC-1100A 25 SCCM GAS SF6 MFC MASS FLOW CONTROLLER
UNIT UFC-1100A 2 SLPM GAS N2 MFC MASS FLOW CONTROLLER
NOVASOURCE SYNTHESIZED PROGRAMMABLE RF Signal Source
POWER-ONE MAP55-4000 SWITCHING POWER SUPPLY(NEW)
Siemens Simatic S7-200 CPU Module 6ES7-214-1CC01-?0XB0
MEDO VP0625 Linear Compressor Vacuum Pump(NEW)
MEDO VP0660 Linear Compressor Vacuum Pump(NEW)
UNIT UFC-1500A 10 SLM GAS 02 MASS FLOW CONTROLLER
SANYO DENKI PV1A015SM61P50 BL SUPER SERVO AMPLIFIER
SANYO DENKI PV2A015SM61P50 BL SUPER SERVO AMPLIFIER
EG&G PARC 1460 OPTICAL MULTICHANNEL ANALYZER W/OPTIONS
Applied Motion Products PS430 Power Supply PS 430(NEW)
OMRON C200HW-NC413 4-AXIS POSITION CONTROL UNIT
MONSTER ULTRA 800 HDMI ADVANCED HIGH SPEED 35 FT CABLE
PHILIPS PM 3212 25MHz Dual Channel ANALOG OSCILLOSCOPE
Litton FINESERV II Yokogawa Position Controller PC10021
PARKER COMPUMOTOR OEM83-135-MO-DS?34 MOTOR 83-135 DOUBLE
TEKTRONIX TYPE 201-2 MODEL E MOBILE O’SCOPE CART
Adept Tech 10335-01101 Power Arm Assembly Cable ROBOT
HIOS CLT-50 Power Supply For Power Screwdriver 120V
Applied Motion Products PS430 Power Supply PS 430
HP/Agilent 436A Digital RF Power Meter With OPTION 022
Weller WES50 Soldering Station
Mykrolis XacTorr Digital Capacitance Diaphragm Gauge
MEDO VP0625 Linear Compressor Vacuum Pump
PHILIPS PM 3212 25MHz Dual Channel ANALOG OSCILLOSCOPE
SCHNEEBERGER NDN MICRO SLIDE/W MEC PRO 2300-3125
Micro Technical Industries 105 THERMO-PROBE
MILLIPORE CMLB-11S06 SENSOR 10 TORR MANOMETER GUAGE
SKF ACTUATORS 0100-0044/0600016-07 IV POLE
FLUKE 8502A DIGITAL MULTIMETER W/OPTIONS 05,08A,&115V
NATIONAL INSTRUMENTS NI BNC-2095 32 BNC MODULE
MONSTER ULTRA 800 HDMI ADVANCED HIGH SPEED 35 FT CABLE
NOVASOURCE SYNTHESIZED PROGRAMMABLE RF Signal Source
HP 3738B RF Module
QMC 2284-MBE3409 SERVO DRIVE
METCAL SMTC-145 QUAD TIP SOLDERING CARTRIDGE(NEW)
METCAL SMTC-119 QUAD TIP SOLDERING CARTRIDGE(NEW)
METCAL SMTC-143 QUAD TIP SOLDERING CARTRIDGE(NEW)
ALLEN-BRADLEY 802T-BAPV OILTIGHT LIMIT SWITCH
METCAL SMTC-186 QUAD TIP SOLDERING CARTRIDGE(NEW)
METCAL SMTC-043 QUAD TIP SOLDERING CARTRIDGE(NEW)
H10S CLT-100 Power Supply For Adj.Power Screwdriver
HP 3488A Switch Control Unit ONLY W/(HP-IB)
NI FP-DO-401 16-CHANNEL Discrete Output Module W/BASE
SIEMENS 6ES7 153-2AA02-0XB0 SIMATIC S7 6ES71532AA020XB?0
HP Hewlett Packard 3455A Digital Voltmeter