New approach to the frequency response analysis of InGaAs avalanche photodiodes

1988 ◽  
Author(s):  
T. SHIBA ◽  
E. ISHIMURA ◽  
K. TAKAHASHI ◽  
H. NAMIZAKI ◽  
W. SUSAKI
Keyword(s):  
Frequency Response ◽  
Avalanche Photodiodes ◽  
Response Analysis ◽  
Frequency Response Analysis ◽  
New Approach

scholarly journals Measurement -based electrical parameters of power transformers for Frequency Response Analysis interpretation - Part I: Core analysis

2017 ◽  
Vol 20 (K3) ◽  
pp. 5-10
Author(s):  
Khoi Dinh Anh Pham
Keyword(s):  
Frequency Response ◽  
Power Transformers ◽  
Response Analysis ◽  
Frequency Response Analysis ◽  
Frequency Range ◽  
Electrical Parameters ◽  
Efficient Tool ◽  
Frequency Dependent ◽  
New Approach ◽  
The Core

Although the standard Frequency Response Analysis (FRA) test has been approved as an efficient tool to diagnose mechanical failures in power transformers, the demand to interpret FRA traces in practical and physical way is still requested. That means physical electrical parameters of transformers should be determined reasonably based on real measurements and afterwards are applicable for the interpretation. For purpose of FRA interpretation in practical manner, electrical parameters of power transformers in a physical equivalent circuit should be determined. As a first step, the paper introduces a new approach in determining frequency dependent core impedances of a distribution transformer based on the combination of circuit analysis of a duality-based model, measurements of driving-point impedances and experimental formulas. From that, two important contributions can be drawn. Firstly, frequency dependent core impedances are ready as available components in the circuit for FRA interpretation in broad frequency range. Secondly, the core parameters could be useful indicators for detecting relevant failures in cases there is no more failure on transformer windings.

New approach to the frequency response analysis of an InGaAs avalanche photodiode

1988 ◽  
Vol 6 (10) ◽  
pp. 1502-1506 ◽  
Author(s):  
T. Shiba ◽  
E. Ishimura ◽  
K. Takahashi ◽  
H. Namizaki ◽  
W. Susaki
Keyword(s):  
Frequency Response ◽  
Avalanche Photodiode ◽  
Response Analysis ◽  
Frequency Response Analysis ◽  
New Approach

Estimation and Reduction of Motor Input Surge Voltage using Frequency Response Analysis

2012 ◽  
Vol 132 (8) ◽  
pp. 630-637
Author(s):  
Toru Wakimoto ◽  
Yoshimitsu Takahashi ◽  
Norihito Kimura ◽  
Yukitoshi Narumi ◽  
Naoki Hayakawa
Keyword(s):  
Frequency Response ◽  
Response Analysis ◽  
Frequency Response Analysis

Identification of Trouble of Transformer by Frequency Response Analysis

2009 ◽  
Vol 129 (4) ◽  
pp. 517-525 ◽  
Author(s):  
Satoru Miyazaki ◽  
Yoshinobu Mizutani ◽  
Hiroshi Suzuki ◽  
Michiharu Ichikawa
Keyword(s):  
Frequency Response ◽  
Response Analysis ◽  
Frequency Response Analysis

Diagnosis Criterion of Abnormality of Transformer Winding by Frequency Response Analysis (FRA)

2016 ◽  
Vol 136 (7) ◽  
pp. 654-662
Author(s):  
Satoru Miyazaki ◽  
Yoshinobu Mizutani ◽  
Akira Taguchi ◽  
Junichi Murakami ◽  
Naokazu Tsuji ◽  
...  
Keyword(s):  
Frequency Response ◽  
Response Analysis ◽  
Frequency Response Analysis ◽  
Transformer Winding ◽  
Diagnosis Criterion

MODAL FREQUENCY RESPONSE ANALYSIS OF HUMAN SUBJECT USING FEM

2018 ◽  
Vol 11 (5) ◽  
Author(s):  
Sahil Savara ◽  
Ishbir Singh ◽  
Sachin Kalsi
Keyword(s):  
Frequency Response ◽  
Human Subject ◽  
Response Analysis ◽  
Frequency Response Analysis ◽  
Modal Frequency
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