alexa Efficient Harmonics Reduction Based Three Phase H Brid
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

Efficient Harmonics Reduction Based Three Phase H Bridge Speed Controller for DC Motor Speed Control using Hysteresis Controlled Synchronized Pulse Generator

Sanjay Kumar Patel1, Dhaneshwari Sahu2, Vikrant Singh Thakur3 Ritesh Diwan4
  1. PG Student [Power Electronics], Dept. of ET&T, Raipur Institute of Technology, Raipur, Chhattisgarh, India
  2. Assistant professor, Dept. of ET&T, Raipur Institute of Technology, Raipur, Chhattisgarh, India
  3. Associate Professor, Dept. of ET&T, Rungta Engineering College Raipur, Raipur, Chhattisgarh, India
  4. Associate Professor, Dept. of ET&T, Raipur Institute of Technology, Raipur, Chhattisgarh, India
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Abstract

The DC Motor is the most commonly used actuator for producing continuous movement whose speed of rotation can easily be controlled, making them ideal for use in applications where speed control, servo type control, and/or positioning is required. In many applications, DC motor is required to be rotated in clockwise and counter clockwise directions. For this purpose H Bridge is designed. H-Bridge circuits are popular circuit for Direct Current (DC) Motor and make it turn. It’s called H- Bridge because it looks like the capital “H” on classical schematics. The ability of H-bridge circuit is that motor can be driven forward or backward at any speed. Although lots of work has been done on development of H-bridge controller for electrical drives but during analysis it has been found that, during direction change of electrical drives using H-bridge controller drive suffers from oscillations in the steady state. Different strategies are available for the speed regulation of electrical drives but cannot able to provide efficient regulation in case of H-bridge controller. The main cause behind this deficiency, found during analysis is the harmonics presented in the armature current. This paper presents a technique for efficient harmonics reduction based three arms H-bridge speed controller for DC motor speed control using Hysteresis Controlled Synchronized Pulse Generator (HCSPG) technique. This paper first presents the development of Hysteresis Controlled Synchronized Pulse Generator (HCSPG) technique for three phase operation using Matlab Simulink, which then interfaced with the three arms H bridge controlled DC motor using the Matlab Simulink. The speed of DC motor is controlled through the controlling of firing angles of power semiconductor switch using HCPPG. The proposed techniques basically deals with the generation of controlled voltage for three arms H bridge followed by HCSPG which generates controlled pulses with reference to speed obtained at the output for firing. The model developed uses controlled pulses generated by HCSPG hence shows the ability to provide high harmonics reduction efficiency. We also concluded that the proposed controller will achieve the shorter settling time and also lower overshoot and steady state error.

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