Description
IoT Based Three Phase Induction Motor Speed Monitoring and Control
This project is proposed to control and monitor the speed of the three-phase induction motor by using the Arduino and node MCU controller. The Arduino controller is used to produce the pulse width modulation (PWM) signals. IoT Based Three Phase Induction Motor Speed Monitoring and Control
And the motor speed is controlled by using the driver and three-phase inverter circuits. And also this project has reduced the harmonics and switching losses of the circuit. In this project Node, MCU is used to increment and decrement the speed of the induction motor. The speed feedback is connected to the Node MCU controller. The Node MCU transfer the speed signal through Wi-Fi. IoT Based Three Phase Induction Motor Speed Monitoring and Control
IoT Based Three Phase Induction Motor Speed Monitoring and Control
BLOCK DIAGRAM:
IoT Based Three Phase Induction Motor Speed Monitoring and Control
DETAILS FOR 3-PHASE INVERTER BOARD:
The inverter card comes with an inbuilt full bridge rectifier and filter capacitor. 6 No’s of IRFP250 MOSFETs are mounted with the Heat sink. The output of the inverter is terminated with 3 pin PTB Connector. The user should get soldered on the backside of the board for the gate pulse interface.
?6 No’s of IRFP250 MOSFET are mounted with a proper Heat sink
?5A Bridge Rectifier with DC Filter Capacitor (1000uF/250V)
?3 Pin PTB Connector provided to connect Motor
IoT Based Three Phase Induction Motor Speed Monitoring and Control
SPECIFICATIONS:
?6?No’s of IRFP250 MOSFET with Heat sink
?Input Voltage 100V/AC/50Hz
?Operating Frequency 25 kHz
?Input and Outputs are terminated with PTB Connectors
TLP 250 DRIVER BOARD:
IoT Based Three Phase Induction Motor Speed Monitoring and Control
SPECIFICATION:
?6?No’s Opto-Isolated Gate Drive
?Input Voltage 12V/AC/50Hz
?Operating Frequency 25 kHz
?All input and outputs are terminated with RMC Male Connectors
INTERRUPT PINS:
FUNCTION | ARDUINO CONTROLLER | Node MCU controller |
INCREMENT | 2 | D2 |
DECREMENT | 3 | D3 |
PWM OUTPUTS:
PWM OUTPUTS | ARDUINO CONTROLLER | POWER SWITCH (As in inverter schematic diagram) |
PWM 1 | 4 | Q1 |
PWM 2 | 5 | Q6 |
PWM 3 | 6 | Q3 |
PWM 4 | 7 | Q2 |
PWM 5 | 8 | Q5 |
PWM6 | 9 | Q4 |
MOTOR OUTPUT:
INVERTER BOARD | MOTOR COLOUR |
PHASE 1 | RED |
PHASE 2 | YELLOW |
PHASE 3 | BLUE |
NODE MCU CONTROLLER:
NODE MCU CONTROLLER | SPEED SENSOR |
VCC | BROWN |
D7 | BLACK |
GROUND | BLUE |
CONNECTION DIAGRAM OF NODE MCU AND SPEED SENSOR:
CONNECTION DIAGRAM:
OUTPUT WAVEFORMS:
Comparison of two Pulses
Phase to Phase Output of Inverter
Comparison of Inverter Output
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