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Electric traction vehicles generate large amount of electricity during braking operation that may be fed back to the supply network, in case the vehicle is capable of recuperation. In a traditional supply network, such energy can only be utilized, if another vehicle simultaneously consumes this volume (e.g. it accelerates). Since the occurrence of such situations is limited due to schedule restrictions...
Nowadays there are several grid connected converter in the grid system. These grid connected converters are generally the converters of renewable energy sources, industrial four quadrant drives and other converters with DC link. These converters are connected to the grid through a three phase bridge. The standards prescribe the maximal harmonic emission which could be easily limited with high switching...
Nowadays as the technology is developing, the more complex the power electronics and its controls become, the more proper hardware tool is required for HIL (Hardware-In-the-Loop) simulation. The general aim of the presented work is developing a fast, reliable and scalable HIL simulation framework for the rapid prototyping of complex power electronic systems. There are at least three strong reasons...
Developing the control of modern power converters is a very expensive and time-consuming task. Real-time simulation of the power stage with analog measured signals can reduce significantly the cost and time of developing a product. This new approach is known as HIL (Hardware-In-the-Loop) testing. It combines the advantages of other testing methods: low cost like offline computer simulation, complex...
Owing to the increasing number and power rating of static power converter (SPC) based systems the need arises for distributed power generation systems to take part in the control-related issues of power generation. The requirements for large and small power generation systems differ from the aspect of utility interaction. Measures to avoid and compensate the appearance of, and to reduce the possibility...
In the area of high voltages and powers, the high quality inverter-fed ac drive is more easily achieved by the use of three-level inverters. For three-level inverters three different PWM control regions can be introduced where different three-phase PWM strategies may be applied. This paper deals with the analysis of that three-phase PWM method of three-level inverters which ensures the lowest value...
In the area of high voltages and powers, the high quality inverter-fed ac drive is more easily achieved by the use of three-level inverters. For three-level inverters three different PWM control regions can be introduced where different three-phase PWM strategies may be applied. This paper deals with the analysis of that three-phase PWM method of three-level inverters which ensures the lowest value...
In the area of high voltages and powers, the high quality inverter-fed ac drive is more easily achieved by the use of three-level inverters. For three-level inverters three different PWM control regions can be introduced where different three-phase PWM strategies may be applied. This paper deals with the analysis of that carrier-based three-phase PWM method of three-level inverters which ensures the...
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