Multilevel converters have received serious attention on account of their capability high voltage operation, efficiency, and low electromagnetic interference. It has many advantages compared to conventional two-level inverters such as dc-link voltages, reduced harmonic distortion, fewer stresses, interferences. The multilevel been used for STATCOM widely it can improve the power rating compensa...

Leg capacitor energy balancing control is one of the crucial issues for stable operation a cascaded H-bridge (CHB) converter. Because this topology inherently consists numerous submodule cells with DC capacitors, cell voltages and leg instantaneously fluctuate depending on sequence CHB In general, wye-connected CHB-converter-based static synchronous compensator (STATCOM) utilizes zero-sequence ...

BACKGROUND Only 2% of mothers positive for anti-SSA/Ro (Ro) antibodies have children with congenital heart block (CHB). This study aimed to determine whether reactivity with p305, an epitope within the α1G T-type calcium channel, confers added risk over anti-Ro antibodies. METHODS AND RESULTS Using sera from anti-Ro-exposed pregnancies resulting in offspring with CHB, no disease but CHB-sibli...

BACKGROUND Natural killer (NK) cells are the main effective component of the innate immune system that responds to chronic hepatitis B (CHB) infection. Although numerous studies have reported the immune profiles of NK cells in CHB patients, they are limited by inconsistent results. Thus, we performed a meta-analysis to characterize reliably the immune profiles of NK cells after CHB infection, s...

Hepatitis B is a serious disease that is endemic in many parts of the world. A significant proportion of patients with chronic hepatitis B (CHB) are infected with a variant form of the hepatitis B virus (HBV) which decreases or abolishes the production of hepatitis B e-antigen (HBeAg). The purpose of this literature review is to describe the epidemiology of HBeAg-negative CHB (e-CHB) worldwide....

Modern conflict-driven clause-learning SAT solvers routinely solve large real-world instances with millions of clauses and variables in them. Their success crucially depends on effective branching heuristics. In this paper, we propose a new branching heuristic inspired by the exponential recency weighted average algorithm used to solve the bandit problem. The branching heuristic, we call CHB, l...

BACKGROUND AND AIM Natural Killer (NK) cells are involved in the control of viral infection. However, the role of NK cells in chronic hepatitis B (CHB) remains unclear. This study investigated the frequencies and roles of NK cells in CHB, with a focus on activating receptor NKp46 and inhibitory receptor NKG2A. PATIENTS/METHOD Peripheral blood lymphocytes were obtained from 71 CHB patients and...

<span>This paper presents a novel shunt active power filter (SAPF). The converter that is used in this SAPF constructed from four-leg asymmetric multi-level cascaded H-bridge (CHB) inverter fed photovoltaic source. A three-dimensional space vector modulation (3D-SVPWM) technique adopted work. can generate 27-level output with harmonic content almost zero. In addition to the capability inj...

Background. This study is to systematically analyze the effects of hepatosteatosis on the response to antiviral treatment in patients with chronic hepatitis B (CHB) and hepatosteatosis. Methods. Systematic search was performed in PubMed, Embase, Web of Science, Elsevier, and the Chinese BioMedical literature databases for relevant studies published until February 2016. Treatment outcomes were c...