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參數(shù)資料
| 型號： | IRADK31 |
| 廠商： | International Rectifier |
| 英文描述： | 1/3 HP-Phase Brushless DC(BLDC) Motor Controller Using IR3101/3/4 |
| 中文描述： | 1 / 3的HP -三相無刷直流（BLDC）電機(jī)控制器使用IR3101/3/4 |
| 文件頁數(shù)： | 3/24頁 |
| 文件大?。?/td> | 403K |
| 代理商： | IRADK31 |
www.irf.com
3
6.2 Motor Controller
IRADK31
This motor controller is a single-phase 120V/230VAC input that can utilize 3 IR3101/03/04
modules that are used in a standard inverter configuration. The system is based on a high
computational performance, 8-Bit Micro controller with 10-bit A/D converter, used to
generate the PWM information and implement the motor control loop. The system
operates in an open loop mode, as defined by the firmware. However, this controller has
the provision to operate in closed loop mode.
This controller can be operated in Stand-alone Mode or PC Mode. It can be operated in
Stand-alone Mode even after connecting the RS-232 cable into J5 but prior to connecting
the GUI with the controller. Once the GUI is connected with the controller the system will
become operational in PC Mode and the user cannot operate in Stand-alone Mode, until
the system is reset again.
Refer to Section 7 and Appendix A for further explanation of Mode Operation.
Two LEDs (Green and Red) are used to monitor the status of the control board. Both LEDs
will blink on and off at initial power on, indicating normal board operation. These LEDs
have the following features:
Green: Indicates the Hall sensors level, 3 hall sensors combined. If the motor
shaft is rotated by hand, this LED will blink on and off. Once the motor ramps up at
higher rate, the blink rate of this LED will increase.
Red: In normal operation condition indicates the direction of rotation command.
On for forward, Off for reverse. It will blink on and off when over current fault
condition occurs.
When a Fault is detected the green light, below the Motor Speed Tachometer on the
Control Panel, will turn Red. A detected fault guarantees PWM drive shutdown and
complete protection for the power stage and the power modules. A fault condition is
detected when an over current condition occurs. The firmware current limit can be set in
the system limits from the setup parameters window
(refer to Fault Condition and
Current Limit in section 8 for details).
6.3 Auxiliary Power Supply
The auxiliary power supply uses an IR2153 self-oscillating half-bridge driver in a buck
topology that delivers the +15V auxiliary supply. The 15V is fed through a linear regulator
(LM7805) that delivers the +5V to the remaining circuitry. Both the +15V and +5V are
referenced to the DC bus return. The auxiliary power supply operates with a constant on
time at variable frequency. Voltage regulation is maintained over a DC bus voltage
variation from 80V to 400V.
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