... inverting it to a V/f supply. FIGURE 8: BLOCK DIAGRAM OF 3-PHASE INDUCTION MOTOR CONTROL CONCLUSION To control the speed of a 3-phase induction motor in open loop, supply voltage and frequency need ... HIN1 HIN2 HIN3 LIN1 LIN2 LIN3 HOut1 HOut2 HOut3 LOut1 LOut2 LOut3 FAULT En IGBT Driver PWM1 PWM2 PWM3 ADC FAULT En PIC18XXX IGBTH1 IGBTH2 IGBTH3 IGBTL1 IGBTL2 IGBTL3 3-Phase Inverter 3-Phase Diode ... Padmaraja Yedamale Microchip Technology Inc. Speed Control of 3-Phase Induction Motor Using PIC18 Microcontrollers Trang 2The frequency and speed of the motor, with respect tothe input supply, is
Ngày tải lên: 11/01/2016, 14:28
... analogRead(1); // Potentiometer connected to Pin A1 int motorspeed = map(potvalue, 0, 1023, 255, 0); analogWrite(motor1Speed, motorspeed); digitalWrite(motor1Speed, 1); ... void MX_TIM3_Init(void) /* USER CODE BEGIN TIM3_Init 0 */ /* USER CODE END TIM3_Init 0 */ /* USER CODE BEGIN TIM3_Init 1 */ /* USER CODE END TIM3_Init 1 */ htim3.Instance = TIM3; htim3.Init.Prescaler ... induced it CEMF is the EMF caused by electromagnetic induction.Three-phase Induction MotorAn induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor
Ngày tải lên: 22/02/2024, 12:39
AN0889 VF control of 3 phase induction motors using PIC16F7X7 microcontrollers
... DS00889B-page 3MOTOR DRIVE The 3-phase induction motor is connected to a 3-phase inverter bridge as shown in Figure 3.The power inverter has 6 switches that are controlled in order to generate 3-phase ... Technology Inc. VF Control of 3-Phase Induction Motors Using PIC16F7X7 Microcontrollers Trang 2FIGURE 1: TORQUE-SPEED CHARACTERISTICS OF INDUCTION MOTORTorque and Current Speed Slip Trang 3 2004 Microchip ... LOut2 LOut3 IGBT Drivers PWM1 PWM2 PWM3 AN1 PIC16F7X7 IGBTH1 IGBTH2 IGBTH3 IGBTL1 IGBTL2 IGBTL3 3-Phase Inverter Rectifier Single-Phase 3-Phase Induction Motor Current Comparator RB4 1 2 2 Trang
Ngày tải lên: 11/01/2016, 14:35
AN1305 sensorless 3 phase brushless motor control with the PIC16FXXX
... how they are controlled Author: Ward Brown Microchip Technology Inc. PIC16Fxxx Supply Drivers Scaling Motor Timers I/O 3 3 3 3 ECCP Sensorless 3-Phase Brushless Motor Control with the ... pictures 3a and 3b in Figure 3 Picture 3a (High Side Modulation) shows one phase of a motor drive waveform for a high-side modu-lated drive Picture 3b (Low Side Modulation) shows one phase of the motor ... detection MOTOR CONTROL CODE When the motor is running the motor control code has two major functions: status monitoring and motor control interrupts The overall view of the motor control code
Ngày tải lên: 11/01/2016, 16:55
Sensored 3-Phase BLDC Motor Control Using MSP430
... 3-phase BLDC motor control in both open loop and closed-loop control configurations A typical Hall sensored 3-phase BLDC motor control is discussed inSection 2 Open-loop control is a simple control ... Closed Loop Control Speed Control Input N Motor Speed Feedback Figure 7 Closed-Loop Control–MSP430 Based Implementation The speed-control input, motor-drive circuit, and 3-phase BLDC commutation ... speed-control input and the actual motor-speed feedback to update the timer PWM duty cycle that, in turn, controls the motor speed 3.2.2 Motor-Speed Feedback (Using Hall Sensors) The actual motor speed
Ngày tải lên: 21/10/2016, 10:48
Scalar (vf) control of 3 phase induction motors
... 2013 Scalar (V/f) Control of 3-Phase Induction Motors Bilal Akin and Nishant Garg ABSTRACT This application report presents a solution to control an AC induction motor using the TMS320F2803x ... References 24 List of Figures 1 Induction Motor Rotor 3 2 Squirrel Cage Rotor AC Induction Motor Cutaway View 3 3 Simplified Steady-State Equivalent Circuit of Induction Motor 4 4 Stator Voltage ... TMS320F2803x microcontrollers TMS320F2803x devices are part of the family of C2000™ microcontrollers that enable cost-effective design of intelligent controllers for 3-phase motors by reducing
Ngày tải lên: 14/09/2020, 10:20
ADVANCES IN MOTOR TORQUE CONTROL pdf
... low speed motor Trang 17TCM Endo 3The microprocessor controlled TCM Endo III is a slow-speed, electric torque-control motor capable of achieving faster and easier root canal preparation Speed ... Reaction Torque Control Based on Driver Sensitivity to Active Front Steering 13 Ryo Minaki and Yoichi Hori Part 3 Effect on Efficiency of Motor with Torque Control 31 Chapter 3 Study on the ... Soft Starting of an Induction Motor with Torque Control 33 José de Oliveira, Ademir Nied, Mário Henrique Farias Santos and Rogério Pinho Dias Part 4 Sensorless Torque Control 47 Chapter 4
Ngày tải lên: 29/06/2014, 09:20
Chapter 3: Uncontrolled induction motor drives
... re-versing Speed control by pole changing is explained, and we describe abnormal operating conditions of induction motors 3.1 UNCONTROLLED OPERATION OF INDUCTION MOTORS In a majority of induction motor ... Figure 3.1, a three-phase autotransformer is controlled using timed relays The stator Trang 3CHAPTER 3 / UNCONTROLLED I N D U C T I O N MOTOR DRIVES 45 A - B- C-POWER LINE nnn MOTOR FIGURE 3.1 ... STATOR PHASE WrONGS AND WYE-DELTA SWITCH FIGURE 3.3 Starting system with the wye-deha switch POWER L i e MOTOR FIGURE 3.4 Soft-starting system Trang 5CHAPTER 3 / UNCONTROLLED INDUCTION MOTOR
Ngày tải lên: 12/02/2020, 21:33
project subject encoder motor speed control by pid
... lcd_printfxy(0,0," SET:%02d RPM ",speed_set); lcd_printfxy(0,1," STOP "); lcd_puts(str); Trang 24 lcd_puts(str); if(i<2) Trang 27 lcd_printfxy(0,0," SET:%02d RPM ",speed_set); ... output to control the motor speed PID Computation Function (pid_speed_compute): PID Algorithm: Computes the PID control output based on the error (difference between set speed and actual speed), ... motor speed The PID controller continuously adjusts the motor input to minimize the difference between the setpoint and the actual speed Trang 1010 Software Programing We implement a speed control
Ngày tải lên: 17/06/2024, 17:07
SIMULATION AND SPEED CONTROL OF INDUCTION MOTOR DRIVES
... in Fig 3.32 Figure 3.37:Torque-Speed Characteristics for machine parameters as in Fig 3.32 Figure 3.38: Parameters of 3- induction motors (High Stator Resistance) Figure 3.39: Rotor Speed Vs ... as in Fig 3.26 Figure 3.31:Torque-Speed Characteristics for machine parameters as in Fig 3.26 Figure 3.32: Parameters of 3- induction motors (Low Stator Resistance) Figure 3.33: Rotor Speed Vs ... equivalent circuit of a 3- induction motor Figure 3.1: SIMULINK model of a 3- Induction motor Figure 3.2: Parameters of 3- induction motors (Low stator impedance) Figure 3.3: Rotor Speed Vs Time graph
Ngày tải lên: 18/12/2013, 22:06
novel observer scheme of fuzzy mras sensorless speed control of induction motor drive
... design of sensorless control schemes of the of induction motor drive to improve the stability and the robustness of the control system The advantages of speed sensorless induction motor derives are ... 2017 J Phys.: Conf Ser 783 012045 (http://iopscience.iop.org/1742-6596/783/1/012045) Trang 2Novel Observer Scheme of Fuzzy-MRAS Sensorless Speed Control of Induction Motor Drive 1 Department ... block diagram of direct field orientation control for induction motor is given in Figure 2 If the model of the induction motor is considered, the rotor speed and stator resistance and rotor time
Ngày tải lên: 04/12/2022, 16:01
USING INVERTER 1 PHASE 110V AC TO CONTROL 3-PHASE MOTOR 220V AC
... Trang 1INVERTER 3-PHASE MOTOR 220V USING INVERTER 1 PHASE 110V AC TO CONTROL 3-PHASE MOTOR 220V AC Instructor: Lam Van Thuong Trang 2Learning Objective:By ... to use 1-phase inverter 110v AC control 3-phase motor 220v AC Separate Y - wire connection type for a motor with 6 wires output (3 coils) Table of Contents Inverter introduction Motor introduction ... Deceleration ramp time (dEC) Motor thermal current Control motor speed with variable resistance Make motor run forward Make motor run reverse Hands-on with motor control kit
Ngày tải lên: 07/12/2022, 13:18
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
... rotor (armature) of the motor is available to drive an external load DC motors are widely used in numerous control applications because of features such as high torque, speed controllability over ... well-behaved speed-torque characteristics, and adaptability to various types of control methods DC motors are classified as either integral-horsepower motors (≥ 1 hp) or fractional-horsepower motors ... servos, and AC motors It is also interesting to note that electronic-switching commutation in DC motors is quite similar to the method of phase switching used in driving stepper motors Although
Ngày tải lên: 25/01/2014, 13:20
Tài liệu 3 Parameter Setting of Analog Speed Controllers pdf
... from the outer speed control loop The analysis of the PI analog current controller is summarized in Eqs 3.2–3.5 It is based on the assumptions listed in the text above Fig 3.4 Trang 73.1 Delays ... analysis and tuning of the speed loop – Trang 93.2 The impact of secondary dynamics on speed-controlled DC drives 59 Fig 3.5 The torque actuation in cases when the speed controller supplies the ... thyristor bridge with the power amplifier given in Fig 3.3, comprising power transistors While the thyristors (Fig 3.1) are switched each 2.77 ms (3.33 ms), the switching cycle of the power transistors
Ngày tải lên: 27/01/2014, 15:20
AN1206 sensorless field oriented control (FOC) of an AC induction motor (ACIM) using field weakening
... approach for induction motor control, which is known as “field weakening.” This application note describes sensorless field oriented control (FOC) with field weakening of an AC induction motor using ... For every speed reference an index for access to the lookup table can be calculated, as shown in Example 1 In Example 1, qMotorSpeed represents the speed reference and qFwOnSpeed is the speed from ... generation and for torque generation The decoupling allows the induction motor to be controlled as a simple DC motor The field oriented control implies the translation of coordinates from the fixed
Ngày tải lên: 11/01/2016, 17:01
14356481937. Comparison of Direct and Indirect Vector Control of Induction Motor
... of 3 phase ac induction motors Various types of induction motors are available in the market Different motors are suitable for different application The speed and torque control of 3 phase induction ... an induction motor[2][7] The indirect vector controlled induction motor is reshown in figure.3 below with blocks consists of the speed sensor, speed controller ,limiter, the field weakening controller ... an induction motor[2][7] The indirect vector controlled induction motor is reshown in figure.3 below with blocks consists of the speed sensor, speed controller ,limiter, the field weakening controller
Ngày tải lên: 05/08/2016, 11:07
THIẾT KẾ HỆ THỐNG ĐIỀU KHIỂN TRUYỀN ĐỘNG ĐIỆN SỬ DỤNG ĐỘNG CƠ ĐIỆN XOAY CHIỀU 3 PHA KHÔNG ĐỒNG BỘ (INDUCTION MOTOR)
... điều khiển dòng điện 3.2.2 Mạch vòng điều khiển tốc độ Hình 3.3 Mạch vòng điều khiển tốc độ 3.2.3 Mạch vòng điều khiển từ thông Hình 3.4 : Mạch vòng điều khiển từ thông 3.3 PHÂN TÍCH CÁC KHÂU ... 2√2 √3.220 = 359,2 (V) Chọn hệ số an toàn về áp cho van là 3 Do vậy ta cần điện áp chiụ đựng yêu cầu cho van bán dẫn là: U V = 359,2 *3 = 1077,6 (V) Độ phân giải 4096 S/R Tốc độ định mức 3000 ... kinh điển 3.2 SƠ ĐỒ CÁC MẠCH VÒNG CỦA HỆ THỐNG ĐIỀU KHIỂN 3.2.1 Mạch vòng điều khiển dòng điện Hình 3.6 : Mạch vòng điều khiển dòng điện 3.2.2 Mạch vòng điều khiển tốc độ Hình 3.3 Mạch vòng
Ngày tải lên: 21/09/2021, 19:13
IMPROVING INDUCTION MOTOR’S SPEED AND TORQUE IN ELECTRIC MOTORBIKES
... drive at low speed [23] 44 Figure 3.3 Moment levels are equivalent to each frequency [23] 47 Figure 3.4 V/f control for induction motor [23] 48 Figure 3.5 Diagram of generating 3-phase current from ... torque-speed curves for inverter-fed induction motor [23] 42 Figure 2.39 Constant torque, constant power and high-speed motoring regions [23] 43 Figure 2.40 Voltage boost of VVVF drive at low speed ... [24] 49 Figure 3.6 Diagram of 3-phase motor and 3-phase voltage [24] 49 Figure 3.7 Connection diagram of central control block [6] 50 Figure 3.8 Algorithm flowchart of central control block 51
Ngày tải lên: 26/05/2022, 22:08
Position and speed control of a DC motor using analog PID controller
... troubleshooting.Part 1: Position and Speed Control of a DC Motor using Analog PID Controller Part 2: Position and Speed Control of a DC Motor using Analog PID Controller The following tests have ... the motor. Figure 22: Decoding Rotary Encoder for Speed Control Block DiagramSystem Block DiagramFigure 23: System Block Diagram of Speed Control An alternative to employing a GreenPAK for PID control ... direction of rotation); Figure 28: DC Gear Motor with Quadrature EncoderDC Motor Driver● Bi-directional control for 1 DC motor; ● Support motor voltage ranges from 3V to 25V; ● Maximum current up to
Ngày tải lên: 28/05/2022, 09:58
Thiết kế hệ thống điều khiển truyền động điện sử dụng động cơ điện xoay chiều 3 pha KĐB (Induction Motor)
... sử dụng động cơ điện xoay chiều 3 pha KĐB (Induction Motor) GVHD: PGS.TS LÊ TIẾN DŨNG SINH VIÊN: TRẦN VIỆT NAM LỚP: 17TDH1 MSV: 105170300 LỚP HP: 17NH33B Đà Nẵng, ngày 27 tháng 08 ... phân tích chức năng của từng phần Hình 1.3: Sơ đồ công nghệ hệ thống truyền động Mạch điều khiển: Controller (speed controller, flux controller, current controller): so sánh giá trị đặt và giá ... tính chọn IGBT là IT = 52,8.3 = 158.4 (A) (> 33.2 A) Điện áp cần cấp cho khâu nghịch lưu là: Ud = 3√2 2 U = 466,7 (V) yêu cầu cho van bán dẫn là: Uv = 466,7.3 = 1400 (V) Kết luận: chọn IGBT
Ngày tải lên: 09/06/2022, 10:39