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ABB变频器ACS800在电机主从连接上的应用
1 应用主从案例分析
山西朔州中煤集团的皮带运输机采用两台大功率电机主从连接的传动方式，保证负载的分配平衡。由于应用场合的差异，该厂采用了两种不同的主从控制方式，即主机采用转速控制方式，从机采用跟随主机转矩和跟随主机转速的控制方式。传动系统参数如下：
电机参数：额定电压为660v;额定电流为720.9a;额定功率为710kw;额定转速为1448r/min;额定频率为50hz。
变频器：2 × acs800-07-1700-7
1.1 从机跟随主机转矩的控制方式
下图为两台电机通过同一个减速机同轴联结(刚性连接)的主从波形图。采用abb传动调试软件drivewindow监测主机和从机在工作过程中的转速([1]代表主机，[4]代表从机)、电流([2]代表主机，[5]代表从机)和输出转矩([3]代表主机，[6]代表从机)的波形。图中的数值为相应的实测值。主机给定转速为1480r/min。由图可见，从机跟随主机的转矩输出，两电机分别输出额定转矩的约37.4%左右，负载分配基本平衡，两电机实际输出电流约为320a左右。由于主从机为刚性连接，主从机转速由机械结构保持同步，实际转速为1480r/min左右。
2.2 从机跟随主机转速的控制方式
下图为两台电机通过皮带机同轴联结(柔性连接)的主从波形图。采用abb传动调试软件drivewindow监测主机和从机在工作过程中的转速([1]代表主机，[3]代表从机)和输出转矩([2]代表主机，[4]代表从机)的波形。图中的数值为相应的实测值。主机给定转速为200r/min。由图中可见，由于从机采用转速控制，从机转速保持与主机一致，维持在200r/min左右。由于系统为柔性连接，主从机所承受的负载转矩略有不同，因此，其输出转矩也略有差别，但基本维持在电机额定转矩的28%左右，两电机输出功率基本相同。
2. 结束语
由以上分析可知，在工业应用中，针对同轴连接需要同步运行的场合，主从控制是一种***佳的选择方案，不仅能够保证多个同轴电机的同步运行，而且可较好地实现负载的均匀分配，减少了设备因不同步、负载分配不平衡而导致的系统故障和产品质量差等现象的发生，保证了生产的正常***的进行。
P0913TZ Power Cord, *** 20E03
P0913UD DCS Fieldbus Isolator, F1SFIB
P0913UG DCS FBM, F1M01A
P0913UI DCS Integrator, F1M01D
P0913UK DCS Integrator, F1M01B
P0913UN DCS FBM, F1M01C
P0913UR DCS Integrator, F1M01D
P0913UU DCS FBM, F1M02
P0913UX DCS FBM, F1M02A
P0913VA DCS Integrator, F1M02C
P0913VD DCS FBM, F1M02D
P0913VF Fieldbus Extension Cable 0.9 m (3 Ft)
P0913VG Fieldbus Extension Cable 1.8 m (6 Ft)
P0913VH Fieldbus Extension Cable 4.5 m (15 Ft)
P0913VJ Local Fieldbus Cable (6 Ft)
P0913VK Fieldbus Extension Cable (15 Ft)
P0913VN DCS Integrator, F1M02G
P0913VR DCS FBM, F1M02H
P0913VU DCS FBM, F1M03
P0913WA DCS FBM, F1M04A
P0913WD DCS FBM, F1M06
P0913WG DCS FBM, F1M07A
P0913WK DCS Integrator, F1M07B
P0913WN DCS FBM, F1M07B
P0913WR DCS FBM, F1M09
P0913WW Dual Head Video Card Upgrade Kit - 70 Series
P0913WX Quad Head Video Card Upgrade Kit - 70 Series
P0913WY Connoisseur Runtime Environment For Solaris
P0913WZ Connoisseur Runtime Environment For NT
P0913XA Connoisseur Development Toolkit For Solaris
P0913XB Connoisseur Development Toolkit For NT
P0913XC Connoisseur Manuals Volume 1 And 2
P0913XF 150 Mb Streaming Tape Drive For AP20
P0913XG 150 Mb Streaming Tape Drive For AP20, WS Mounted
P0913XR 2.0 Gb EIDE Hard Drive 70 Series
P0913XT DCS B66Extender, F1MEXT
P0913XX DCS Fieldbus Isolator, H3SFBI
P0913XY DCS Integrator, H3M01
P0913YA DCS FBM, H3M01
P0913YB DCS Integrator Kit, H3M02A
P0913YD DCS FBM Kit, H3M02A
P0913YE DCS Integrator Kit, H3M02B
P0913YG DCS FBM Kit, H3M02B
P0913YH DCS Integrator, H3M03
P0913YK DCS FBM, H3M03
P0913YL DCS Integrator, H3M04
P0913YN DCS FBM, H3M37
P0913YP DCS Integrator, H3M06
P0913YR DCS FBM, H3M06
P0913YS DCS Integrator, H3M07
P0913YU DCS FBM, H3M07
P0913YV DCS Integrator, H3M09
P0913YX DCS FBM, H3M09
P0913ZB DCS Cu Fieldbus Extender, H3FBE1
P0913ZD DCS Fieldbus AB Switch Extender, H3FBE1
P0913ZE DCS FO Fieldbus Extender, H3FBE2
P0913ZG DCS FO Fieldbus Extender, H3FBE2
P0913ZR 70 Series Mouse
P0913ZS 70 Series Keyboard (Spare)
P0913ZT 70 Series CDROM Drive, 8X EIDE
P0913ZV Matrox Millenium Video Card (2 Mb) Old
P0913ZX SPEC 200 Fieldbus Cable Assembly
P0913ZY SPEC 200 CUIC/Display Cable
P0913ZZ SPEC 200 CUIC Integrator Cable
P0914AN DCS Fieldbus Extender, F1FBE
P0914AR DCS Fieldbus Isolator, F1SFIA
P0914AU DCS FBM, F1M01F
P0914AX DCS FBM, F1M04B
P0914BA Terminal, VT100 Compatible, Universal Power Supply
P0914BF DCS FBM, F1M01E
P0914BQ DCS Power Translator, F1PWR1
P0914BT Ethernet Interface Card (PCI Slot) For 70 Series
P0914BU 70 Series 5 Ft Video Extension Cable
P0914BX 3.0 Gb EIDE Hard Drive 70 Series
P0914CB 16 Mb (2x8 Mb SIMMS) EDO Memory Upgrade Kit
P0914CC 32 Mb (2x16 Mb SIMMS) EDO Memory Upgrade Kit
P0914CD 64 Mb (2x32 Mb SIMMS) EDO Memory Upgrade Kit
P0914CE 128 Mb (2x64 Mb SIMMS) EDO Memory Upgrade Kit
P0914EH AB Station Memory Upgrade Kit
P0914EM 150 Mb Tape Drive Assembly
P0914FP DCS FBM, H2M06A
P0914GB 4.2 Gb Hard Disk w/AP51E SW, 68/68 Pin Connectors
P0914GC 9.1 Gb Hard Disk w/AP51E SW, 68/68 Pin Connectors
P0914GE 4.2 Gb Hard Disk w/AW51E SW, 68/68 Pin Connectors
P0914GF 9.1 Gb Hard Disk w/AW51E SW, 68/68 Pin Connectors
P0914GY DCS Fieldbus Isolator, FRSFBI
P0914HB DCS Fieldbus Isolator, F2SFBI
P0914HE DCS FBM, F2M68A
P0914HH DCS FBM, F2M67A
P0914HL Rear Panel, Full Bay, MIC
P0914HM Lower Front Panel, Full Bay, MIC
P0914HN Top, Full Bay, MIC
P0914HP Bracket, Junction Box, MIC
P0914HQ Panel, Rear (Half Bay), MIC
P0914HR Panel, Front (Half Bay), MIC
P0914HS Bezel, Front, MIC
P0914HT Panel, Right Side Wedge, MIC
P0914HU Panel, Left Side Wedge, MIC
P0914HV Top, 30 Degree Wedge
P0914HW Panel, Left, MIC
P0914HX Panel, Right, MIC
P0914HY Louver Assembly, MIC
P0914HZ 70 Series 8 Watt Speaker Set (Spare)
P0914JD Separate Slats For Louver Assembly
P0914JE End Cap, LH, MIC
P0914JF End Cap, RH, MIC
P0914KP DCS FBM, FRM701
P0914KQ DCS FBM, FRM711
P0914KR DCS FBM, FRMMPU
P0914KX 1 x 12 FBM Nest
P0914LB 70 Series No. 9 128 Imagine Video Card (4 Mb)
P0914LK 3.2 Gb EIDE HD Upgrade Kit For AW/WP70A (NEC)
P0914LL 4.3 Gb SCSI HD Upgrade Kit For AW70B
P0914LM DigiBoard Serial Interface Card Kit
P0914LN AB Data Highway+ KTX Card Integrator Kit
P0914LV DCS Fieldbus Extender, FRMFBE
P0914LY DCS Fieldbus EXtender, F2MFBE
P0914LZ MIC 14-Inch Worksurface Kit
P0914MA MIC 30 Degree Module Kit, Top
P0914MB MIC 14-Inch Module Kit, Top
P0914MC Ethernet Card (3Com 3C509, ISA) Kit
P0914MD Ethernet Card (3Com 3C900, PCI) Kit
P0914NA I/A SPEC 200 Integrator Interface Kit
P0914NB Matrox Mystique Video Card
P0914NT DCS (Fisher UOC-IFC-IAC) Migration Kit
P0914NU DCS (Fisher MUX) Migration Kit
P0914NV DCS (Fisher Card File) Migration Kit
P0914PF 4/8 Gb Internal SCSI Tape Drive (AW70B)
P0914PG TR-4 Tape For 8 Gb Internal Drive (70 Series)
P0914PH AW70B 4/8 Gb Internal SCSI Tape Drive Kit
P0914QB FBM46 Termination Cable, Plug
P0914QC FBM05 Termination Cable, Plug
P0914QG DCS FBM, BCOM17
P0914QK DCS FBM, BAOM37
P0914QN DCS FBM, BASO37
P0914QR DCS FBM, BA***01
P0914QU DCS FBM, BA***02
P0914QX DCS FBM, BA***03
P0914RA DCS FBM, BA***33
P0914RD DCS FBM, BASI03
P0914RG DCS FBM, BASI01
P0914RK DCS FBM, BD***9A
P0914RN DCS FBM, BDSI07
P0914RR DCS FBM, BD***06
P0914RU DCS FBM, BD***9B
P0914RX DCS FBM, BDSO10
P0914RY DCS FBM, BDSO10
P0914SA DCS FBM, BDSO26
P0914SD DCS FBM, BD***09
P0914SG DCS Fieldbus AB Switch Extender, BFBE2
P0914SK DCS Fieldbus Isolator, BFBI
P0914SN DCS Fieldbus Extender, BFBE1
P0914SQ FBM201 Channel Isolated 8 Input 0-20 mA
P0914ST FBM202 Channel Isolated 8 Input Thermocouple/mV
P0914SV FBM203 Channel Isolated 8 Input RTD
P0914SY FBM204 4 Channel 0-20 In + 4 Channel 0-20 Out
P0914TB FBM208 Redundant 0-20 Module w/Readback
P0914TD FBM207 Channel Isolated 16 DIN Voltage Monitor
P0914TG FBM241 Ch Isolated Vmon DI + External Source DO
P0914TK FBM243, 8 FoxCom Channels
P0914TN FBM211 Differential 16 Input 0-20 mA
P0914TR FBM217, Discrete Inputs, 32 Channels
P0914TY PDU Mounting Bracket
P0914TZ PDU Bracket Filler
P0914UA Cover, dc Power
P0914UH 20-Inch Monitor
P0914UJ 20-Inch TS Monitor
P0914UK 20-Inch Monitor, Southern Hemisphere
P0914UL 20-Inch TS Monitor, Southern Hemisphere
P0914VB 70 Series 32 Mb DIMMS Upgrade Kit
P0914VC 70 Series 64 Mb DIMMS Upgrade Kit
P0914VD 70 Series 128 Mb DIMMS Upgrade Kit
P0914VV Enclosure w/Vertical DIN Rail
P0914WG DCS FBM, FRMJMP
P0914WH FBM207b Ch Isolated 16 DIN 24 Vdc Contact Sense
P0914WK FBM241b Ch Isolated Vmon DI + Internal Source DO
P0914WM FBM241c Ch Isolated CSense DI + External Source DO
P0914WP FBM241d Ch Isolated CSense DI + Internal Source DO
P0914XA FBM2xx Horizontal Baseplate
P0914XB FBM2xx Vertical Baseplate
P0914XG FBM205 Redundant 0-20 Combo Module
P0914XL FBM212 Differential 14 Input Thermocouple/mV
P0914XN FBM213 Differential 8 Input RTD
P0914XQ FBM214, HART Inputs, 8 Channels
P0914XS FBM237 Channel Isolated 8 Output 0-20 mA
P0914YM FCM10E Fieldbus Communication Module
P0914YZ FCM2F 2KM Fiber Optic Fieldbus Extender
P0914ZM FBM2xx Horizontal/Vertical Letterbug Assembly
P0914ZX FBM2xx Vertical Letterbug Assembly
P0915CC A*** DR11W Interface Cable
P0915CD A*** DR11W PCI Bus Interface
P0915CJ Color Print Cartridge For HP890/895
P0915CM DCS FBM, H2J02F
P0915CQ DCS FBM, H2D02H
P0915DX FBM36 Module
P0915FB FBM37 Module
P0915FC FBM37 Cable, Wire Termination
P0915FU Trackball, 51 Series
P0915FV Trackball, 70 Series
P0915FW Trackball, PW
P0915FX Trackball (WP20/30)
P0915GC DCS FBM, BAMM01
P0915GF DCS Integrator, H2J02C
P0915GJ DCS Integrator, H2J02H
P0915HE Serial Mouse
P0915HM Internal Floppy Disk Drive For 70 Series
P0915HQ 70 Series Speaker Set For 20" Monitor
P0915HR 70 Series Power Module, 230 Vac, 20" Monitor
P0915HS Streaming Tape Drive 1.6 Gb, 70 Series
P0915HU 70 Series 32 Mb DIMM Memory Upgrade Kit
P0915HV 70 Series 64 Mb DIMM Memory Upgrade Kit
P0915HW 70 Series 128 Mb DIMM Memory Upgrade Kit
P0915HX 3.2 Gb EIDE HD Upgrade Kit For AW/WP70A
P0915HY 4.3 Gb SCSI HD Upgrade Kit For AW70B