Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers:
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Cottbus
2016
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | iii, 118 Seiten Illustrationen, Diagramme |
Internformat
MARC
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| 003 | DE-604 | ||
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| 035 | |a (OCoLC)952510889 | ||
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| 040 | |a DE-604 |b ger |e rda | ||
| 041 | 0 | |a eng | |
| 049 | |a DE-634 | ||
| 100 | 1 | |a Cruz Munoz, Miguel A. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers |c vorgelegt von M.Sc. Miguel A. Cruz Munoz |
| 264 | 1 | |a Cottbus |c 2016 | |
| 300 | |a iii, 118 Seiten |b Illustrationen, Diagramme | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 502 | |b Dissertation |c Brandenburgische Technische Universität Cottbus-Senftenberg |d 2016 | ||
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| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Hochspannungsleistungsschalter |0 (DE-588)4160245-6 |D s |
| 689 | 0 | 1 | |a Funke |0 (DE-588)4274870-7 |D s |
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-029052375 | ||
Datensatz im Suchindex
| _version_ | 1804176377343115264 |
|---|---|
| adam_text | TABLE O F CONTENTS
A C K N O W LED G M EN
TS..........................................................................................................................................
*
ZU SSA M M EN FA SU N G
..........................................................................................................................................
*I
A B S T ILA C T
................................................................................................................................................................III
CHAPTER 1 -
INTRODUCTION............................................................................................................
1
CHAPTER2-FUNDAMENTALS OF SF6 CIRCUIT
BREAKERS.................................................5
2.1 GENERAL FU N CTIO N OF SF6 CIRCUIT B R EA K ER
S..............................................................5
2.2 FUNCTIO N A LITY OF SELF-COM PRESSION INTERRU PTER U N I T
.................
...6
2.3 SF6 CONCEPT AND STR U C TU R
E...................................................................................................
9
CHAPTER 3 - PTFE NOZZLES IN CIRCUIT
BREAKERS............................................................. 11
3.1 PTFE CONCEPT A N D M O LECU LAR STR U C TU R
E..................................................................11
3.2 PTFE N O Z Z L E S SHAPE AND LOCATION INSIDE THE INTERRUPTER
U N IT
...................................................................................................................................................................13
3.3 N A T I O N EFFECT ON PTFE N O Z Z L E
.....................................................................................
15
CHAPTER 4 - POLLUTION OVER PTFE NOZZLES
.....................................................................
19
4.1 OVERVIEW OF POLLUTION ON PTFE N O Z Z L E
S...................................................................19
4.1.1 PTFE NOZZLES A FTER IN TERRUPTER SHORT CIRCUIT C U R R E N T S
........2 0
4.2 E D X A N D SEM M EA SU R EM EN
TS................................................................................................23
4.2.1 EDX BASIC IN FO R M A TIO N
..............................................................................................23
4.2.2 SEM BASIC IN FO R M A TIO N
..............................................................................................23
4.2.3 SEM AND EDX RESULTS *24
CHAPTER5_RESISTIVITY MEASUREMENTS OF THE POLLUTION LAYER
OVER ****
NOZZLES..............................................................................................
27
5.1 BACKGROUND IN FO R M A TIO N
...................................................................................................
27
5.2 NECESSA RY EQ U IPM EN T TO PERFORM A RESISTIVITY
M EA SU R EM EN
T........................................................................................................................................
30
5.3 SA M
PLES.................................................................................................................................................31
5.4 SAM PLE-ELECTRODE C O N N EC TIO N
S......................................................................................32
5.5 GUARDING THE M EA SU R EM EN
T...............................................................................................34
5.6 H U M ID ITY
.............................................................................................................................................
36
5.6.1 REPRODUCIBILITY OF M EA SU REM EN
TS...............................................................38
5.7 RESISTIVITY M EASUREM ENTS OF PTFE N O ZZLES
..........................................................
39
5.7.1 PROCEDURE IN THE LA B O RA TO RY
..........................................................................
39
5.7.2 PARAM ETERS OF THE CIRCUIT B R EA K ER
............................................................
40
5.7.3 M EASUREM ENTS PA R A M
ETERS.................................................................................41
5.7.4 M EA SU R EM EN
TS................................................................................................................44
5.7.4.1 SAM PLES W IT H 3 O PE N IN G O PEFIA TIO N S... . . .
.........................4 6
5.**.2
S A I L E S W ITH 6 O P E N L O PE ILA T IO N S4 9 . . . . .
........................*
5.7.4.3 S A M P L E S W IT H 9 0 P E N I^ G O P E R A T IO N S
.......******52
5.7.4.4 S A I L E S I T H 18 O P E N L O P E R A T IO N S.......... . .
. . . . . . . . . . . . . . . . . 5 5
5.7.4.5 SAM PLES W ITH 1 OPENING O PE R A T IO N .. . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . 5 8
5.7.5 GENERAL RESULTS OF M EA SU REM EN
TS..............................................................59
5.8 BREAKDOW N V OLTAGE CAPABILITY OF CLEANED AND POLLUTED
NOZZLES
*61
CHAPTER * -ELECTRONEGATIVITY, IONIZATION AND ATOMIC ANALYSIS OF THE
ELEMENTS RELATED TO THE ELECTRIC ARC
.......................................................................
62
6.1 FU NDAM ENTALS OF THE ATOM IC STRUCTURE A I PR O PE R T IE S.. . . .
. . . . . . . . . ..62
6.1.1 ELEC TR O N EG A TIV ITY
...................................................................................................
62
6.1.2 ATOM IC R A D IU
S................................................................................................................
63
6.1.3 ELECTRON CONFIGURATION AND IONIZATION E N E R G Y
...................6 4
6.1.4 ELECTRON A F F W IT Y
.......................................................................................................
67
6.1.5 ELECTRO N EG A TIV ITY OF FLU O R IN
E......................................................................
68
6.2 ANALYSIS O F A H V C B IN TERRU PTER * I T DURING AND A FTER AN
OPENING O PERATION TAKING INTO ACCOUNT THE CHEM ICAL
CO M PO SITIO N AND P L A S M A
......................................................................................................69
CHAPTER 7 - ELECTRETS AND PTFE NOZZLES
......................................................................
74
7.1 INTRODUCTION TO E LEC TR
ETS...............................................................................................
74
7.2 CHARGING AND POLA RIZA TIO N M ETHODS OF PT FE
....................................................75
7.2.1 T W B O E L E C I C I T Y : CONTACT E L E C T I I C A T I O N
.76... . . . . . . . . . . . . . . . . . . . . . *
7.2.2 TH ERM A L CHARGING M ETH O D
S..............................................................................77
7.2.3 C O R O N A D IS C H A R G E
......................................................................................................78
7.3 PTFE AS A N E L E C T R E T
..................................................................................................................
79
7.4A N A L * SIS OF PTFE N O ZZLES A S A N E L E C T R E T
*
^ S I D E A H I G H V O LTAGE CIRCUIT
BREA K ER IN TER R U PTER
.................................................................................................................................
82
CHAPTER8-FLASHOVERS OVER**** NOZZLES INSIDE
HVCB...........................9 5
8.1 SUPPORTING INFORM ATION FO R THE THEORY OF F L A S H O V E R S .
.._ 9 6
8.2 ANALYSIS OF DISCHARGE TRACKS AND THEORY OF F L A S H O V E R S
..............9 9
CHAPTER9**
CONCLUSIONS.........................................................................................................
103
R EFER EN C
ES.......................................................................................................................................................
105
LIST OF FIG U R E
S...............................................................................................................................................
109
LIST OF TABLES
115
ABBREVIATIONS 117
|
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| indexdate | 2024-07-10T07:31:13Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-029052375 |
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| owner_facet | DE-634 |
| physical | iii, 118 Seiten Illustrationen, Diagramme |
| publishDate | 2016 |
| publishDateSearch | 2016 |
| publishDateSort | 2016 |
| record_format | marc |
| spelling | Cruz Munoz, Miguel A. Verfasser aut Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers vorgelegt von M.Sc. Miguel A. Cruz Munoz Cottbus 2016 iii, 118 Seiten Illustrationen, Diagramme txt rdacontent n rdamedia nc rdacarrier Dissertation Brandenburgische Technische Universität Cottbus-Senftenberg 2016 Hochspannungsleistungsschalter (DE-588)4160245-6 gnd rswk-swf Funke (DE-588)4274870-7 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Hochspannungsleistungsschalter (DE-588)4160245-6 s Funke (DE-588)4274870-7 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029052375&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Cruz Munoz, Miguel A. Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers Hochspannungsleistungsschalter (DE-588)4160245-6 gnd Funke (DE-588)4274870-7 gnd |
| subject_GND | (DE-588)4160245-6 (DE-588)4274870-7 (DE-588)4113937-9 |
| title | Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers |
| title_auth | Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers |
| title_exact_search | Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers |
| title_full | Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers vorgelegt von M.Sc. Miguel A. Cruz Munoz |
| title_fullStr | Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers vorgelegt von M.Sc. Miguel A. Cruz Munoz |
| title_full_unstemmed | Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers vorgelegt von M.Sc. Miguel A. Cruz Munoz |
| title_short | Analysis of flashovers tracks found on the surface of PTFE Nozzles inside high voltage SF6 circuit breakers |
| title_sort | analysis of flashovers tracks found on the surface of ptfe nozzles inside high voltage sf6 circuit breakers |
| topic | Hochspannungsleistungsschalter (DE-588)4160245-6 gnd Funke (DE-588)4274870-7 gnd |
| topic_facet | Hochspannungsleistungsschalter Funke Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029052375&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT cruzmunozmiguela analysisofflashoverstracksfoundonthesurfaceofptfenozzlesinsidehighvoltagesf6circuitbreakers |