Abstract
Over the past decade, research efforts have been made to decrease the number of power electronic devices needed in multi-motor drive systems in order to condense the overall complication and cost of the drive. This paper proposes speed control for a dual three-phase induction motor system driven by five-leg voltage source inverter (FL-VSI) which is used in industrial manufacturing processes. Industrial applications frequently need a number of variable speed electric drives. This technique uses five-leg inverter instead of using conventional two three phase inverters. In the majority of cases, these multi-motor drive systems need independent control of individual motors. It is shown recently that it is possible to separately control two three-phase induction machines supplied through a five-leg voltage source inverter, with one inverter leg being common to both machines. The entire performance of the speed control for the five leg voltage source inverter fed dual-motor drive system is investigated using MATLAB/SIMULINK software.
Highlights
Dual-motor drive systems have received significant attention in recent years for the fact of reduced number of devices, size, and losses in the inverters
This paper proposes a speed control method for dual motor system using five-leg voltage source inverter (FL-VSI)
DC supply is given to the five leg inverter system
Summary
Dual-motor drive systems have received significant attention in recent years for the fact of reduced number of devices, size, and losses in the inverters. Various topologies like four leg inverter system, mono-inverter dual-parallel system and nine-switch inverter system have been researched extensively for dual motor drive system. The advantages of these systems are: 1. 2. Reduced volume of the whole system 3.
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