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Title:
EKSPERIMENTALNA DOLOČITEV IZGUB TRANSFORMATORJEV ZA TOČKASTO VARJENJE
Authors:
ID
Petrun, Martin
(
Author
)
ID
Dolinar, Drago
(
Mentor
)
More about this mentor...
Files:
UNI_Petrun_Martin_2010.pdf
(2,97 MB)
MD5: E5442F71FF8C0792D45CA78A7FDD95E6
PID:
20.500.12556/dkum/cea93f3b-7deb-4247-ab03-82dd7d961e7e
Language:
Slovenian
Work type:
Undergraduate thesis
Organization:
FERI - Faculty of Electrical Engineering and Computer Science
Abstract:
V diplomskem delu so obravnavani transformatorji za točkasto varjenje z enosmernim tokom. Predstavljena sta zgradba in delovanje varilnih transformatorjev za točkasto varjenje ter laboratorijski sistem za preizkušanje le-teh transformatorjev. Opisano je delovanje sistema, kjer so predstavljene težave in rešitve pri obratovanju laboratorijskega sistema. Namen tega diplomskega dela je določitev izgub varilnih transformatorjev z enosmernim tokom. Pri določitvi izgub v železnem jedru transformatorjev je predlagan nov način eksperimentalne ločitve izgub na histerezne in vrtinčne izgube. Prav tako je predstavljen način eksperimentalne ločitve izgub v kratkem stiku.
Keywords:
določitev izgub
,
eksperimentalna ločitev izgub
,
eksperimentalni sistem
,
električne naprave
,
uporovno točkasto varjenje
,
varilni transformator
Place of publishing:
Maribor
Publisher:
[M. Petrun]
Year of publishing:
2010
PID:
20.500.12556/DKUM-15852
UDC:
621.314.2(043.2)
COBISS.SI-ID:
14771734
NUK URN:
URN:SI:UM:DK:XI1GDKED
Publication date in DKUM:
08.12.2010
Views:
3395
Downloads:
470
Metadata:
Categories:
KTFMB - FERI
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Secondary language
Language:
English
Title:
EXPERIMENTAL DETERMINATION OF LOSSES FOR SPOT WELDING TRANSFORMERS
Abstract:
The diploma thesis describes resistance spot welding transformers, which perform the process of welding with DC current. This work presents a structure and working process of the resistance spot welding transformers, as well as the experimental setup for the practical tests. Difficulties that may occur during the working procedure of the laboratory experimental system and solutions to these problems are also one of the major topics described in the diploma. The purpose of the diploma thesis is determination of losses for resistance spot welding transformers, which perform the process of welding with DC current. The losses are determined from results, obtained with measurements. Measurements are carried out with open circuit tests and short circuit tests. The step forward is taken and the new method of how to divide the core losses into hysteresis and eddy current losses is developed. Separation of copper losses during a short circuit test is described as well.
Keywords:
determination of losses
,
experimental separation of losses
,
experimental system
,
electrical devices
,
resistance spot welding
,
welding transformer
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