نتایج جستجو برای: تکنیک z source

تعداد نتایج: 588316  

2013
T. Sengolrajan B. Shanthi S. P. Natarajan Mohammad Reza Banaei Ali Reza Dehghanzadeh Mohamed Yousuf

This paper presents the comparative study of various Multicarrier Pulse Width Modulation techniques with Sinusoidal reference for single phase seven level cascaded Z-source inverter designed with three intermediate Z-source networks connected between the input source inverter circuit. The cascaded Z-source based MLI technique enhances the fundamental output voltage and reduces the Total Harmoni...

2013
T. Sengolrajan B. Shanthi S. P. Natarajan

This paper investigates the performance analysis of various Multicarrier Pulse Width Modulation strategies with Sinusoidal reference for single phase seven level diode clamped Z-source inverter designed with two intermediate Z-source networks connected between the input source and inverter circuit. The diode clamped Z-source based MLI strategy enhances the fundamental output voltage and reduces...

2017
R. Palanisamy

Received Feb 14, 2017 Revised Apr 14, 2017 Accepted Apr 28, 2017 This paper proposes maximum boost control for 7-level z-source cascaded h-bridge inverter and their affiliation between voltage boost gain and modulation index. Z-source network avoids the usage of external dc-dc boost converter and improves output voltage with minimised harmonic content. Z-source network utilises distinctive LC i...

2015
Zhe Huang Wayne W. Weaver Mahdi Shahbakhti Saeid Nooshabadi Daniel R. Fuhrmann

The voltage source inverter (VSI) and current voltage source inverter (CSI) are widely used in industrial application. But the traditional VSIs and CSIs have one common problem: can’t boost or buck the voltage come from battery, which make them impossible to be used alone in Hybrid Electric Vehicle (HEV/EV) motor drive application, other issue is the traditional inverter need to add the dead-ba...

افتخار آشتیانی, رضا, مهشید, مینو,

سابقه و هدف: با توجه به تاثیر تکنیک های مختلف قالبگیری بر دقت ابعادی کست نهایی و اختلاف نظر در مورد بهترین تکنیک آن در دندانپزشکی این تحقیق با هدف بررسی اثر چهار تکنیک قالبگیری بر دقت ابعادی کست نهایی ایمپلنت انجام گرفت.مواد و روشها: در این تحقیق تجربی 5 آنالوگ ایمپلنت برروی یک مدل لابراتوری تعبیه شده و با کمک آن چهار تکنیک قالبیگری به روش (open techinc) مورد ارزیابی قرار گرفتند. چهار تکنیک قال...

2000
A. G. RAMM A. G. Ramm

The governing equations are Maxwell’s. The source of the current is either j = ey δ(z − z0)δ(x)f(t) or eφ δ(z − z0)δ(r − r0)f(t) (straight wire or loop of current, f(t) is a pulse). The conductivity σ(z) and permittivity ε(z) are unknown in the medium (z > 0) and are known in the air (z < 0). The source is in the air: z0 < 0. The μ is a known constant. The data are the values of E(x, y, z, t) a...

Journal: :CoRR 2013
Sanghack Lee Vasant Honavar

We introduce z-transportability, the problem of estimating the causal effect of a set of variables X on another set of variables Y in a target domain from experiments on any subset of controllable variables Z where Z is an arbitrary subset of observable variables V in a source domain. z-Transportability generalizes z-identifiability, the problem of estimating in a given domain the causal effect...

Journal: :Indonesian Journal of Electrical Engineering and Computer Science 2018

Journal: :The Transactions of the Korean Institute of Power Electronics 2010

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