Arbitrary interconnections of passive (possibly nonlinear) resistors, inductors, and capacitors define passive systems, with power port variables the external source voltages and currents, and storage function the total stored energy. In this paper, we identify a class of RLC circuits (with convex energy function and weak electromagnetic coupling), for which it is possible to “add a differentia...

Boost converter circuits are an important component in electrical and electronic systems. Serving as energy converters, they increase the voltage of a source. In mobile devices, high voltages can be achieved in this way, with a relatively small number of accumulator cells. Without this or a similar technique, it would be difficult to supply electric cars with the necessary voltages of about 500...

In this paper we proposed an advanced Multi-level converters with ride through capability for unified power-flow controller (UPFC) applications, because of high power ratings Among all multilevel topologies, the three-level neutral-pointclamped (NPC) converter allows back-to-back connection as the UPFC shunt and series converters gives us better results. Besides the pulse widthmodulated (PWM) m...

This modulation method is based on selective virtual loop mapping, to achieve dynamic capacitor voltage balance without the help of an extra compensation signal. The concept of virtual sub module (VSM) is first established, and by changing the loop mapping relationships between the VSMs and the real submodules, the voltages of the upper/lower arm’s capacitors can be well balanced. This method d...

This work presents the use of multilevel inverters in a non-sinusoidal permanent magnet synchronous machine to reduce harmonic content currents. Due con- struction this machine, back electromotive force characteristic, which has as main consequence presence ripple electromagnetic torque produced by machine. Such oscillations decrease efficiency and can cause vibrations motor shaft, reducing its...

This article discusses the design and performance of planar capacitors built as pairs conductive plates by additive manufacturing part an electronic circuit board. covers several geometries layers parallel that allow for different capacitance values, from a few picofarads (pF) to nanofarads (nF). The dc, ac, radio frequency (RF) characterization demonstrated superior compared off-the-shelve sur...

This study compares ripple port, stacked switched capacitor, and capacitive energy storage architectures for active power decoupling, comparing the number of components, performance, density, DC-link capacitor reduction, efficiency, frequency operation to highlight their main benefits drawbacks single-phase grid-connected applications. The overview reveals equivalent effective density without e...

Multi-level inverters (MLIs) with switched capacitors are becoming popular due to their utilization in AC high-voltage applications as well the field of renewable energy. To achieve required magnitude output voltage, capacitor (SC) technique employs a lesser number DC sources accordance voltage across capacitor. Designing an efficient high-gain MLI fewer and switches needs rigorous effort. This...

Multilevel rectifiers allow improving the system performance by reducing harmonic content of synthesized voltages, which leads to minimizing size and weight grid interface filters. Alternatively, use unidirectional PWM is particularly interesting in situations where there nonregenerative operation, since it possible operate with fewer active switches. This work proposes a five-level rectifier r...