International Journal of LNCT

ISSN (Online):2456-9895

 

 

Volume-1 Issue-2 October-2017

[1]  Wind energy conversion system with PMSG


Dhirendra Deode, Nand Kishore and Amol Barve


We have prepared a solution for the conventional use of generator in wind energy conversion system. Which is mainly depending upon the DFIG for the variable speed of the wind. Here we present a PMSG based wind energy conversion system. In this system we used PMSG which operation is depends upon the two mass drive train. This drive train is operated by the wind system and speed of the wind play a vital role in operation of the total wind conversion system We are used a pitch angle control system to reduce output power variation in high rated wind speed areas. There are different types of generators are present but the multiple pole permanent magnet synchronous generator (PMSG) is chosen as its offers better performance since it does not have rotor current. Simulation of the work is carried out in MATLAB/Simulink.

[2]  Comparison of different controlling schemes (Pi, Pid And Ip) for speed control of DC motor


Pragya Jain, Shriyansh Jain and Amol Barve


DC motors are extremely used where extensive speed control range is required. This paper presents speed control of DC motor using different controlling schemes- PI, PID and IP. Here we have analyzed their transient behavior for controlling speed of dc motor. PI controller is the most common controller applied for controlling speed of dc motor but PI controller has some disadvantages like high overshoot, sluggish response to sudden load change and sensitivity to gain parameters. To overcome these drawbacks of PI controller it is replaced with PID and IP controller. When PID controller is used overshoots(14.4%) get reduced to 6.53% than PI controller(20.93%). With IP controller there is 20.93% less overshoot than PI controller and 14.4% less than PID controller. When we consider time parameters (rise time and settling time) PID gives fastest response. Here PI, PID and IP controllers are implemented in Matlab (Simulink) and comparison of their performances on the basis of transient response is analysed. We also compared effect on speed responses of DC motor with each controlling scheme by varying load torque.

[3]  Mitigation of harmonics using PI controlled shunt active power filter


Md.Taslim Arif and Sujeet Kumar Soni


When using non linear loads, affects the quality of supply power ,which leads to a number of issues like harmonics, voltage sag, voltage swell, flicker, voltage imbalance etc. these issues affects the performance and the lifetime of the utilities. In order to overcome issues arises due to nonlinear loads power filters were developed. This work proposed a active filter which is controlled by PI controller to reduce the THD (total harmonic distortion). Here we compared the results of active filter results, without controller and with PI controller.