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參數(shù)資料
| 型號(hào)： | MC3PHACVDW |
| 廠(chǎng)商： | MOTOROLA INC |
| 元件分類(lèi)： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 3-Phase AC Motor Controller |
| 中文描述： | AC MOTOR CONTROLLER, PDSO28 |
| 封裝： | PLASTIC, SOIC-28 |
| 文件頁(yè)數(shù)： | 15/44頁(yè) |
| 文件大小： | 724K |
| 代理商： | MC3PHACVDW |
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MC3PHAC/D
Features
MOTOROLA
3-Phase AC Motor Controller
15
Voltage Profile Generation
—
The MC3PHAC controls the motor voltage in
proportion to the specified frequency, as indicated in
Figure 5
.
Figure 5. Voltage Profiling, Including Voltage Boost
An ac motor is designed to draw a specified amount of magnetizing current
when supplied with rated voltage at the base frequency. As the frequency
decreases, assuming no stator losses, the voltage must decrease in exact
proportion to maintain the required magnetizing current. In reality, as the
frequency decreases, the voltage drop in the series stator resistance increases
in proportion to the voltage across the magnetizing inductance. This has the
effect of further reducing the voltage across the magnetizing inductor, and
consequently, the magnetizing current. A schematic representation of this
effect is illustrated in
Figure 6
. To compensate for this voltage loss, the voltage
profile is boosted over the normal voltage curve in
Figure 5
, so that the
magnetizing current remains constant over the speed range.
Figure 6. AC Motor Single Phase Model
Showing Parasitic Stator Impedances
COMPENSATIONFORSTATORLOSSES
V
FREQUENCY
BASE FREQUENCY
VOLTAGE BOOST
100%
PARASITICS
R
1
X
2
R
2
MAGNETIZING CURRENT
(TRY TO KEEP CONSTANT)
TORQUE CURRENT
X
M
R2 (1
–
s)
s
X
1
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC3PHACVDWE | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 8BIT MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類(lèi)型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| MC3PHACVFA | 制造商:Freescale Semiconductor 功能描述:MCU 8BIT HC08 CISC 8KB FLASH 5V 32LQFP - Trays 制造商:Rochester Electronics LLC 功能描述:8BIT MCU, 8K FLASH OTP - Bulk |
| MC3PHACVFAE | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 8B MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類(lèi)型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| MC3PHACVP | 制造商:Freescale Semiconductor 功能描述:MCU 8BIT HC08 CISC 8KB FLASH 5V 28PDIP - Rail/Tube 制造商:Freescale Semiconductor 功能描述:Controller IC |
| MC3PHACVPE | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 8BIT MCU 8K FLASH OTP RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類(lèi)型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
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