Significant circulating currents in the modular multilevel converter (MMC) increase system losses and complicate heat-sink design. Conventional PI PR controllers can achieve steady-state error adjustment, but are sensitive to parameter changes model uncertainty, heavily relying on coordinate transformations careful design of parameters. Model predictive control (MPC) has characteristics simple ...

Economic globalization, digitalization of management processes, introduction new forms business organization, implementation the concept sustainable development are factors that affect process capital turnover and determine need to improve its accounting support. The purpose article is search for options improving at enterprise in modern conditions a dynamic market environment. economic essence...

In ruminants, circulating vitamin D levels may be influenced by photoperiod, nutrition, physiological stage, ambient temperature, attitude and season, whereas, in meat, vitamin D content may be impacted by vitamin D status of animal, ageing and cooking. The information on nutritional value of camel milk and meat is largely available, but, there are very few reports evaluating the vitamin D leve...

In this paper, a calculation method of the sheath circulating current is introduced, taking the different grounding types, laying environment, structural parameters of cables into account. Due to the parameters in practice, the circulating currents in sheath are calculated and measured under the conditions of singlepoint grounding and both-end crossbonded grounding. The possible causes, which l...

We considered the circulating current induced by the current magnification and the persistent current induced by Aharonov-Casher flux. The persistent currents have directional dependence on the direct current flow, but the circulating currents have no directional dependence. Hence in the equilibrium, only the persistent current can survives on the ring. For the charge current, the persistent ch...

Acute myocardial infarction (AMI) is a serious cardiovascular disease. Investigating new susceptibility genes for effective methods of early diagnosis of AMI is important. In the current study, peripheral blood miR-19a levels were detected by real-time polymerase chain reaction. Significant differences and logistic correlation analyses were carried out by grouping of disease types and stratific...

Anisotropic electrical properties can be found in biological tissues such as muscles and nerves. Conductivity tensor is a simplified model to express the effective electrical anisotropic information and depends on the imaging resolution. The determination of the conductivity tensor should be based on Ohm's law. In other words, the measurement of partial information of current density and the el...

Parallel connected inverters in islanded mode, are getting momentous attention due to their ability increase the power distribution and reliability of a system. When there different ratings Distributed Generation (DG) units, they will operate parallel connection output voltages, impedance mismatch, or phase that can cause current flow between DG units. The magnitude this circulating sometimes b...