Results 11 to 20 of about 24,558,722 (248)

STEP UP workshop

open access: yes, 2020
Workshop on increasing women in physicsDid you know that teachers are the reason that most undergraduate women in physics chose that degree? That's right. You are key to encouraging women to pursue prosperous careers in physics!
Wadness, Michael J, Lodge-Scharff, Savvy
core   +3 more sources

Non-isolated high step-up DC/DC converters – An overview

open access: yes, 2022
High step-up, high efficiency, low cost DC/DC converters have operated as an interface to make use of the renewable energy system generated power. In order to obtain desired output voltage, the DC/AC voltage conversion to AC mains voltage is an important
Birbir, Yaşar   +5 more
core   +3 more sources

One step multiderivative methods for first order ordinary differential equations [PDF]

open access: yes, 1981
A family of one-step multiderivative methods based on Padé approximants to the exponential function is developed. The methods are extrapolated and analysed for use in PECE mode.
Khaliq, AQM, Twizell, EH
core   +7 more sources

High efficiency step‐up DC–DC converter for grid‐connected photovoltaic microinverter applications

open access: yesIET Renewable Power Generation, 2022
This paper presents a resonant step‐up DC–DC converter for the photovoltaic micro‐inverter system and describes the converter's operation principle in detail.
Zhi Zhang   +5 more
doaj   +1 more source

Single-Switch High-Step-Up DC-DC Converter Employing Coupled Inductor and Voltage Multiplier Cell

open access: yesIEEE Access, 2022
This paper introduces a high-step-up dc-dc converter to provide voltage boosting in low-voltage applications. The circuit contains only a single active switch and is based on the boost-type converter using coupled inductor and voltage multiplier cell ...
Isabella Pedroso Rosas   +2 more
doaj   +1 more source

A new high step‐up DC power supply with modular switched capacitor cells

open access: yesIET Power Electronics, 2023
In this paper, a novel high step‐up direct current (DC)‐DC converter, using switched‐capacitor (SC) cells, is proposed. Upon turning a set of switches in this converter on/off, the capacitors are connected to each other in a circuit configuration, and ...
Fahimeh Kord   +2 more
doaj   +1 more source

COMPARING POWER AND MULTIPLE SIGNIFICANCE LEVEL FOR STEP UP AND STEP DOWN MULTIPLE TEST PROCEDURES FOR CORRELATED ESTIMATES [PDF]

open access: yes, 1994
We consider hypothesis testing problems arising in e.g. the context of comparing k treatments with a control. The case of equi-correlated estimates is mainly discussed, although also unequal correlated estimates (e.g.
Palaszewski, Bo
core   +1 more source

New DC/DC High Step Up Isolated Converter with ZVS [PDF]

open access: yesJournal of Intelligent Procedures in Electrical Technology, 2014
In this paper we presents a soft switch sepic, flyback converter. At first the converter have hard switching in main switch and completely analysis then added auxiliary circuit for soft switching Auxiliary circuit in the converter is not only soft ...
Ehsan Movahedi   +2 more
doaj  

Single‐switch coupled‐inductors‐based high step‐up converter with reduced voltage stress

open access: yesIET Power Electronics, 2023
This paper proposes a non‐isolated DC‐DC high step‐up converter. To achieve a high voltage conversion ratio and overcome the problems related to near unity duty‐cycle of the conventional boost converter in high step‐up applications, coupled‐inductors ...
Siamak Khalili   +3 more
doaj   +1 more source

A high step‐up interleaved boost‐Cuk converter with integrated magnetic coupled inductors

open access: yesIET Renewable Power Generation, 2022
This paper proposes a high step‐up interleaved boost‐Cuk converter with integrated magnetic coupled inductor that is suitable for photovoltaic systems.
Desheng Rong, Xuanjin Sun, Ning Wang
doaj   +1 more source

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