نتایج جستجو برای: parallel dc

تعداد نتایج: 278672  

Aims: The backbone of treatment in advanced non-small cell lung cancer is platinum-based doublet chemotherapy. We intended to compare the effectiveness of two commonly used regimens in real world practice. Methods: This single institute, parallel comparative post marketing study included 100 patients with chemo-naïve advanced (stage IIIB, IV) non-small cell lung cancer and Eastern Cooperative O...

Journal: :Electric Power Systems Research 2022

A wind farm with series dc collection can potentially eliminate the costly offshore platform and its step-up components. Multiple strings be connected in parallel to extend power capacity for a given voltage. In such arrangement, DC/DC converters individual generators are rated at only fraction of transmission The maturity superconducting cable technology will difficulty losses high current low...

Journal: :Iet Renewable Power Generation 2021

Remarkable progress in distributed power generation invigorated research into DC microgrids using a controllable DC–DC converter contingent to the functionalities therein. The study explores circulating current issue parallel-connected and its associated current-sharing capability. Despite, conventional droop being promising solution with less control complexity, sharing is achieved at an expen...

Journal: :IEEE Transactions on Power Electronics 2021

Input-series-output-parallel (ISOP) isolated bidirectional DC/DC converter (IBDC) become a preferred scheme connecting high-voltage and low-voltage bus in DC distribution network. Input-voltage-sharing (IVS) among modules is essential to realize the stable operation of ISOP system. Nowadays, with large-scale access distributed energy sources loads grids, fluctuations voltage connected load freq...

Journal: :iranian journal of pharmaceutical research 0
kian khodadad assistant professor of internal medicine, hematology and medical oncology, thoracic oncology department, chronic respiratory disease research center, national research institute of tuberculosis and lung disease adnan khosravi assistant professor of internal medicine, hematology and medical oncology zahra esfahani-monfared general physician, thoracic oncology department, chronic respiratory disease research center, nritld, masih daneshvari hospital, shahid beheshti university of medical sciences, tehran, iran shirin karimi associate professor of pathology, pathology department, mycobacteriology research center, nritld, masih daneshvari hospital, shahid beheshti university of medical sciences, tehran, iran sharare seifi assistant professor of internal medicine, hematology and medical oncology, thoracic oncology department, chronic respiratory disease research center, national research institute of tuberculosis and lung disease nritld, masih daneshvari hospital,

aims: the backbone of treatment in advanced non-small cell lung cancer is platinum-based doublet chemotherapy. we intended to compare the effectiveness of two commonly used regimens in real world practice. methods: this single institute, parallel comparative post marketing study included 100 patients with chemo-naïve advanced (stage iiib, iv) non-small cell lung cancer and eastern cooperative o...

Electrophoretic deposition of carbon nanotubes (CNTs) using alternating current electric fields (0.01-1000 Hz) is reported. Pure acetone was used as suspending medium. Two parallel gold electrodes were used as depositing substrate. The effect of depositing parameters such as frequency and three waveforms (sinusoidal, rectangular and triangular) on deposit yield was investigated. According to ou...

2002
Martina Baumann Johann W. Kolar

In this paper the active DC side current balancing of parallel connected three-phase buck-type rectifier systems is investigated using space vector calculus. Modulation schemes for the parallel connection are derived from the switching state sequences known for a single system and are comparatively evaluated by digital simulation. The independent current AC and DC side current paths are shown a...

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