GE输出IC693MDL634输入模块

GE输出IC693MDL634输入模块

高速电机驱动技术难点

1、高基频下系统稳定性问题

当电机在高运行基频状态下时，由于受模/数转换时间、数字控制器算法执行时间以及逆变器开关频率等限制，高速电机驱动系统载频比较低，导致电机运行性能明显降低。

2、基频转子位置估计问题

高速运行时，转子位置的精度对电机的运行性能至关重要。由于机械式位置传感器可靠性不高，且体积大、成本高，故在高速电机控制系统中常采用无位置传感器算法。但在高运行基频条件下，采用无位置传感器算法容易受到逆变器的非线性以及空间谐波、环路滤波器和电感参数偏差等非理想因素的影响，造成明显的转子位置估算误差。

COMPAQ ALPHASERVER DS10 DA-PB10A-AC

GENEMARK AUTOMATION SYSTEM CONTROLLER S08R VER.11

AudioCodes Trunkpack-200 & txb-22 & txb-10 PCI

NOKIA AXUA T32107.01...FO BLADE T32107 NEW

NOKIA WSM 468803A BLADE 984172B NEW

NOKIA IFUA T32107.02...EO BLADE T32107 10001070H NEW

NOKIA WIC 468232A...102 BLADE WICA11 468232A NEW

NOKIA WAMA 468156A...203 BLADE 468156A 983686D NEW

VARIAN IIS 101866001 REV B SOLD AS-IS

VARIAN IIS VAPORIZER CONTROL 113434001 REV 1 SOLD AS-IS

VARIAN IIS INTERFACE 101927001 REV K SOLD AS-IS

Takatori ES-500 PG-207 CPU-216N series motor controller

NOKIA IPC CP550-B MODULE NEW C100470....C1A

NOKIA MBIF-B C74920 BLADE 75-74920-03 NEW

NOKIA ASCOM NORA WPSB MODULE 40071190000/B NEW

SAGITTA MOTHER BOARD SMP REV 3.1 PCB13094V0

ECI uSDM-1R

ANORAD ACS TECH 80 SB1002-BL-C1-80 SERVO CONTROLLER

CXR TELCOM CXR 5200 UNIVERSAL TRANSMISSION ANALYZER

DATAKINETICS DSC100 SERIES MODEL - DSC110A/02

MOTOROLA CPX1200 W/ 01-W3545F 84-W8516F01D 01-W3764F

KOGANEI 4K174-616 CONTROLLER SP0968W

KOGANEI 4B024-508 CONTROLLER SP0994W

SPINNER I/O BOARD TKB2111 CPC-G223B01A-11

ATRICA AT80051 8 PORT GIGABIT ETHERNET MODULE NEW

ATRICA AT80053 10GBASE-X MODULE NEW

ATRICA AT80010 SWITCH MANAGEMENT MODULE FOR A-8000

HP ALPHA SERVER TS10 600MHZ 512M DC POWER DA-T738A-NA

HP ALPHA SERVER TS10 600MHZ 512M DC POWERC DA-T738A-NA

ATRICA AT20057 OPTICAL ETHERNET EDGE SWITCH A-2101 DC

HUAWEI S3952P ETHERNET SWITCH WITH 48 10/100 BASE-TX

TDK Lambda ZUP DC Power Supply ZUP120-1.8A

EVACTRON 232781-01 RFS 302 EVAC III REV A

PI E-710K126 DIGITAL PIEZO CONTROLLER M-900K147

GRUNDIG DIGIMESS MV100 LF MILLIVOLT METER

LOW NOISE BLOCK DOWN CONVERTER NJR2144HWI LNB LOT OF 50

HITACHI OSCILLOSCOPE V1065A V-1065A

TEL Motor I/O Board TKB3100 AP9E-0318B-11

TEL Motor I/O Board TKB3100 AP9E-0318C-12