Results 71 to 80 of about 84,506 (287)
Review on design and control of solid state transformer based microgrids
AIMS Energy, 2019 Solid state transformer (SST) is a high frequency switched power electronic based transformer with high controllability that enables flexible connectivity between existing medium voltage power distribution network, low voltage AC residential system and ...
H. H. H. De Silva +2 more
doaj +1 more source
, 1969 Power control switching circuit using low voltage semiconductor controlled rectifiers for high voltage ...
Herron, B. G.
core +1 more source
Molecular Oncology, EarlyView.This study indicates that Merkel cell carcinoma (MCC) does not originate from Merkel cells, and identifies gene, protein & cellular expression of immune‐linked and neuroendocrine markers in primary and metastatic Merkel cell carcinoma (MCC) tumor samples, linked to Merkel cell polyomavirus (MCPyV) status, with enrichment of B‐cell and other immune cell
Richie Jeremian +10 more
wiley +1 more source
Isolation Transformer for 3-Port 3-Phase Dual-Active Bridge Converters in Medium Voltage Level
IEEE Access, 2019 In this paper, an isolation transformer with integrated filter inductances for three-phase three-port dual-active bridge (DAB) converters in the wye-wye-delta (Yyd) configuration is introduced and designed.
Seunghun Baek, Subhashish Bhattacharya
doaj +1 more source
Comparison of Isolated DC-DC Converters for Low/Medium Voltage Solid State Transformer applications [PDF]
Journal of Electrical and Electronics Engineering, 2022 This paper presents a comparative evaluation of isolated dc-dc converter topologies used in Solid State Transformers (SST) meant for low/medium voltage standalone applications.
R B Jeyapradha, V Rajini
doaj
Ultrasonically bonded value assembly [PDF]
, 1975 A valve apparatus capable of maintaining a fluid-tight seal over a relatively long period of time by releasably bonding a valve member to its seat is described.
Salvinski, R. J.
core +1 more source
A framework for effective management of condition based maintenance programs in the context of industrial development of E-Maintenance strategies [PDF]
, 2016 CBM (Condition Based Maintenance) solutions are increasingly present in industrial systems due to two main circumstances: rapid evolution, without precedents, in the capture and analysis of data and significant cost reduction of supporting ...
Crespo Márquez, Adolfo +3 more
core +1 more source
Molecular Oncology, EarlyView.In this exploratory study, we investigated the relationship between the gut microbiota and outcome in patients with metastatic hormone receptor‐positive breast cancer, treated in a randomized clinical trial with chemotherapy alone or chemotherapy in combination with immune checkpoint blockade.
Andreas Ullern +7 more
wiley +1 more source
DESIGN AND OPERATION OF A SOLID-STATE TRANSFORMER FOR INTEGRATION OF RENEWABLE ENERGY SYSTEMS
Taikomieji tyrimai studijose ir praktikoje, 2020 Renewable energy-based grid integrations in distribution systems cause changes in the energy structure of the grid such as load flow, short circuit and protection coordination.
Burak Esenboğa +2 more
doaj
A Hierarchical Coordinative Control Strategy for Solid State Transformer Based DC Microgrids
Applied Sciences, 2020 A solid state transformer (SST), as a kind of energy router in the Energy Internet, provides a unified access point for AC or DC distributed power subjects.
Zheng Li +3 more
doaj +1 more source