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Analysis, simulation and hardware implementation of singles witch power amplifier for Active Magnetic Bearing (AMB) system

Debnath Sukanta, Biswas Pabitra Kumar, Laldingliana Jonathan

Journal of Power Technologies

2020

Vol. 100, nr 4

308--314

Active Magnetic Bearing is the advancement of habitual technology and is used to increase the rotational speed. AMB isusing power electronics drives, which is the key features of this technology. In this paper, a simple and cheap converter with reduced switch is simulated and implemented in hardware for the validation of simulation result is presented. The principle of the active magnetic bearing and power amplifier is introducedand the generation of pulse is also described. Then, result of simulation and hardware output is compared. Based on the output of hardware setup simulation result is validated. With the help of this amplifier cheapest and better control for active magnetic bearing can be achieved.

Analysis and simulation of different types of power amplifiers used in electromagnetic levitation system

Debnath S., Biswas P. K., Das U.

Journal of Power Technologies

2018

Vol. 98, nr 2

220--227

The objective of this paper is time and frequency response analysis of single quadrant and two-quadrant power amplifiers by using MATLAB SIMULINK, PSPICE and PSIM based software used in the electromagnetic levitation system. The power amplifier plays a key role in controlling the electromagnetic levitation system, controlling the current as well as the force between electromagnet and rail. Here the power amplifier is used to convert a fixed DC voltage to an adjustable DC output voltage. Different kinds of power amplifiers have been proposed for the electromagnetic levitation system. In this paper, only buck and asymmetrical converters are simulated in the simulation software. The exciting current of the electromagnet is controlled by the power amplifier, which controls the air gap and force between actuator and rail in a closed loop manner. PSPICE is an analog and digital circuit simulation software. PSIM is a general-purpose analog and digital electronic circuit simulator. It is also used for simulation and design software for power electronics, motor drives, and dynamic system simulation. SIMULINK is the graphic user interface software from MATLAB which helped us prepare the model of the various power systems, power electronics and control system.