variable speed control switch for trolling motor

New control strategy for variable speed wind turbine with DC DC converters

New control strategy for variable speed wind turbine with DC DC converters

Ngày tải lên : 03/01/2014, 19:15
... versus speed characteristics. Two control loops: inner feed forward current control loop and outer voltage control closed loop are applied for the non-inverting buck-boost converter. The performance ... converter LOAD P electSpeed Duty ratio VSWT Aero dynamical / Mechanical unit MPPT LPPT Operator Controller speed d Control strategy VSWT Control unit VSWT Electrical unit Fig. 1. Control concept ... configuration in MATLAB/Simulink đ were performed. The non-inverting buck-boost converter is controlled in boost mode, which is suitable for variable speed wind turbine operation. The input...
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DC bus control of variable speed wind turbine using a buck boost converter

DC bus control of variable speed wind turbine using a buck boost converter

Ngày tải lên : 03/01/2014, 19:15
... modes of buck boost converter 2 Unlike constant -speed control, a variable- speed control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak of the ... proposed MPPT control method. Fig.7: Wind turbine output power without MPPT control method for low wind speed. Fig.8: Wind turbine output power with MPPT control method for low wind speed. ... low wind speeds. Fig.9 : Wind turbine output power without MPPT control method for high wind speed. Fig.10 : Wind turbine output power with MPPT control method for high wind speed. ...
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Direct torque control of four switch brushless DC motor with non sinusoidal back EMF

Direct torque control of four switch brushless DC motor with non sinusoidal back EMF

Ngày tải lên : 03/01/2014, 19:46
... only the torque is controlled without speed control, the time range of control system under transient state is selected short. The motor speeds up to a very large value if the motor is run longer ... BLDC motor drive using four -switch inverter with faster torque response due to the fact that the voltage space vectors are directly controlled. Therefore, the direct torque controlled four -switch ... AND V FOR FOUR - SWITCH DTC OF BLDC MOTOR DRIVE (CCW) (a) (b) (c) (d) (e) (f) (g) (h) Figure 3. Proposed four -switch voltage vector topology for two- phase conduction DTC of BLDC motor...
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Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt

Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt

Ngày tải lên : 25/01/2014, 13:20
... outputs is essential for feedback control, and is also useful for performance evaluation of a process. Input measurements are needed in feedforward control. It is evident, therefore, that the measurement ... angular speed ω c . Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 12 7. Control Design The objective of the exercise is to control the angular speed of ... systems. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 17 Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 29 9. Testing of...
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Tài liệu Ecodial V3.38 Low-voltage electrical installation design software Fupact and variable speed drive ppt

Tài liệu Ecodial V3.38 Low-voltage electrical installation design software Fupact and variable speed drive ppt

Ngày tải lên : 12/12/2013, 13:15
... protection for final circuits supplying sockets. v LV/LV transformer: Ecodial accepts all primary voltages and gives more information into the calculation result like Transformer R phase, Transformer ... a New Electric World Fupact and variable speed drive integrated For further details concerning Ecodial V3.38, ask your Schneider Electric representative for a free demonstration. 11 / 2006 Schneider ... necessary general information: b one window to enter project data (project name, customer name, etc.) b another for the general electrical installation characteristics used for the calculations...
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Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans

Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans

Ngày tải lên : 03/01/2014, 19:16
... mentioned facts were motivation for mathemat- ical model formulation and for further research of both the phase angle control and switch mode control behavior for the electromagnetic vibratory ... mathematical model for the VCS with electromagnetic drive and power converter control circuits for its optimal control DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS ... of power converters for electromagnetic vibratory drive. V. S IMULATION R ESULTS In this section, simulation results for cases of phase angle control and switch- mode current control are presented....
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Comparison of current control techniques for active filter application

Comparison of current control techniques for active filter application

Ngày tải lên : 03/01/2014, 19:45
... previously described current control techniques for the active filter. The controllers include the implementation of all the aforementioned refinements, so that the achieved performance is, as realistically ... reduced by sampling the control variables and executing the control routines twice in a modulation period. The turn-on and turn- off times of the power converter switches are, therefore, decided separately ... the achievable performance on the slope of the current reference. The improvements in the control techniques result in rather satisfactory performance levels for all three controllers. How- ever,...
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Current control techniques for three phase voltage source PWM converters  a survey

Current control techniques for three phase voltage source PWM converters a survey

Ngày tải lên : 03/01/2014, 19:45
... FL controller, (b) control surface of con- ventional PI controller, (c) control surface of FL controller; comparison of current-tracking performance with PI and FL controller: (d) current waveform, and ... Therefore, feedforward signals for the reference and disturbance inputs are added to the feedback control law. Because the control algorithm guarantees the dynamically correct compensation for ... predictive controller is often called a deadbeat con- troller [85], [94], [95], [97]. Among the additional information given to the controller, nonavailable state variables (e.g., flux and speed) ...
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