Key components for future offshore DC grids:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Aachen
Shaker
2007
|
| Series: | Aachener Beiträge des ISEA
46 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | IV, 187 S. Ill., graph. Darst. |
| ISBN: | 9783832265717 |
Staff View
MARC
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| adam_text | KEY COMPONENTS FOR FUTURE OFFSHORE DC GRIDS VON DER FAKULTAT FIIR
ELEKTROTECHNIK UND INFORMATIONSTECHNIK DER RHEINISCH-WESTFALISCHEN
TECHNISCHEN HOCHSCHULE AACHEN ZUR ERLANGUNG DES AKADEMISCHEN GRADES
EINES DOKTORS DER INGENIEURWISSENSCHAFTEN GENEHMIGTE DISSERTATION
DIPLOM-INGENIEUR DIPLOM-KAUFMANN CHRISTOPH MEYER AUS I DIIREN BERICHTER:
UNIVERSITATSPROFESSOR DR. IR. RIK W. DE DONCKER UNIVERSITATSPROFESSOR
DR.-ING. ARMIN SCHNETTLER TAG DER MIINDLICHEN PRIIFUNG: 11.07.2007
CONTENTS 1 INTRODUCTION 1 2 FUNDAMENTALS 3 2.1 ABOUT OFFSHORE WIND FARMS
3 2.1.1 DEVELOPMENTS IN THE WIND POWER BUSINESS 3 2.1.2 USED TURBINE
TECHNOLOGY 5 2.1.3 CONCEPTS OF ELECTRIFICATION OF OFFSHORE WIND FARMS 7
2.2 CONCERNING DC TECHNOLOGY 9 2.2.1 HISTORICAL BACKGROUND 9 2.2.2
STATE-OF-THE-ART 10 2.2.3 RESEARCH ON DC SYSTEMS FOR OFFEHORE WIND FARMS
11 2.3 MOTIVATION OF WORK 12 I 3 HIGH-POWER DC CIRCUIT BREAKER 13 3.1
FUNDAMENTALS ON SWITCHING IN DC GRIDS 13 3.2 SOLID-STATE CIRCUIT
BREAKERS 16 3.3 FAST MECHANICAL CIRCUIT BREAKER 19 3.4 CONVENTIONAL
HYBRID CIRCUIT BREAKER CONCEPTS 20 3.5 SNUBBERED MECHANICAL CIRCUIT
BREAKER (SMCB) 23 3.5.1 FUNDAMENTALS ON SMCB . . ...,- V * * 23 3.5.2
ANALYTICAL DESIGN OF THE SMCB 25 3.5.3 SIMULATION RESULTS OF THE SMCB .
30 3.6 COMPARISON OF DIFFERENT DC CIRCUIT BREAKER CONCEPTS 33 3.7
SUMMARY 38 CONTENTS 4 DESIGN OF MEDIUM-FREQUENCY TRANSFORMERS 39 4.1
FUNDAMENTALS ON TRANSFORMER DESIGN 39 4.1.1 REQUIRED CORE VOLUME 40
4.1.2 REQUIRED WINDING VOLUME 42 4.1.3 CALCULATION OF THE INDUCTANCES 43
4.2 LOSS CALCULATION OF THE TRANSFORMER 46 4.2.1 CORE LOSSES 46 4.2.2
WINDING LOSSES 49 4.2.3 THERMAL MODEL 56 4.3 DESIGN MODEL FOR
THREE-PHASE TRANSFORMERS 58 4.4 VERIFICATION OF THE TRANSFORMER MODEL 62
4.5 SUMMARY 63 5 HIGH-POWER MEDIUM-FREQUENCY DC/DC CONVERTER 65 5.1
FUNDAMENTALS ON DC/DC CONVERTERS 65 5.2 SUITABLE TRANSFORMER MATERIAL 67
5.3 SINGLE ACTIVE BRIDGE (SAB) 69 5.4 DUAL ACTIVE BRIDGE (DAB) 73 5.4.1
FUNDAMENTALS 73 5.4.2 SOFT-SWITCHING BOUNDARIES 75 5.5 SERIES RESONANT
CONVERTER (SRC) 78 5.5.1 BASIC PRINCIPLE OF THE SRC 78 5.5.2 MEASUREMENT
RESULTS OF GCTS FOR SRC OPERATION 80 5.5.3 ASYMMETRICAL BI-DIRECTIONAL
SRC 84 5.6 GENERAL COMPARISON OF DIFFERENT DC/DC CONVERTER TOPOLOGIES 87
5.7 SUMMARY 88 6 POSSIBLE CONFIGURATIONS OF HIGH-POWER DC GRIDS 91 6.1
GENERAL ASSUMPTIONS 91 6.1.1 LOAD CYCLE EFFICIENCY (LCE) ... . .-. F.
91 6.1.2 ANALYZED CONFIGURATIONS 93 6.2 CENTRALIZED CONVERTER CONCEPT 96
6.2.1 TRANSFORMER AND CONVERTER DESIGN 96 6.2.2 CLUSTERING OF DC/DC
CONVERTERS 103 CONTENTS 6.3 DISTRIBUTED CONVERTER CONCEPT 106 6.3.1
TRANSFORMER AND CONVERTER DESIGN 106 6.3.2 EFFICIENCY IN DIFFERENT MODES
OF OPERATION 107 6.4 COMPARISON OF DIFFERENT CONCEPTS 110 6.5 SUMMARY
112 7 GRID CONTROL AND SYSTEM BEHAVIOR 113 7.1 MODELING OF COMPONENTS
113 7.2 CONTROL DESIGN 117 7.3 VERIFICATION 123 7.4 SUMMARY 128 8
COMPARISON OF DC AND AC SYSTEMS 129 8.1 SCENARIOS AND SCOPE OF ANALYSIS
129 8.2 COMPARISON OF EFFICIENCY 131 8.3 ECONOMIC MODEL OF THE WIND FARM
134 8.4 COST EVALUATION 137 8.5 SUMMARY 142 9 CONCLUSION AND FUTURE WORK
143 9.1 SUMMARY AND CONCLUSIONS 143 9.2 FUTURE WORK 144 3 BIBLIOGRAPHY
146 A TABLES AND FIGURES 161 A.I OVERVIEW ON PLANNED OFFSHORE WIND FARMS
IN GERMANY 161 A.2 PARAMETERS FOR ECONOMIC ASSESSMENT 163 A.3 COST
COMPARISON DOUBLY FED GENERATOR 164 B ADDITIONAL CALCULATIONS 165 B.I
CREEPING DISTANCE BETWEEN WINDINGS AND CORE . . . 165 B.2 EQUATIONS FOR
CABLE STABILITY 166 B.2.1 MODAL DECOMPOSITION 166 B.2.2 MODAL LINE
EQUATIONS 167 B.3 CALCULATION OF AC DISTRIBUTION LOSSES 168 CONTENTS C
DEUTSCHE ZUSAMMENFASSUNG 175 D LEBENSLAUF (CURRICULUM VITAE) 187
|
| adam_txt |
"KEY COMPONENTS FOR FUTURE OFFSHORE DC GRIDS" VON DER FAKULTAT FIIR
ELEKTROTECHNIK UND INFORMATIONSTECHNIK DER RHEINISCH-WESTFALISCHEN
TECHNISCHEN HOCHSCHULE AACHEN ZUR ERLANGUNG DES AKADEMISCHEN GRADES
EINES DOKTORS DER INGENIEURWISSENSCHAFTEN GENEHMIGTE DISSERTATION
DIPLOM-INGENIEUR DIPLOM-KAUFMANN CHRISTOPH MEYER AUS I DIIREN BERICHTER:
UNIVERSITATSPROFESSOR DR. IR. RIK W. DE DONCKER UNIVERSITATSPROFESSOR
DR.-ING. ARMIN SCHNETTLER TAG DER MIINDLICHEN PRIIFUNG: 11.07.2007
CONTENTS 1 INTRODUCTION 1 2 FUNDAMENTALS 3 2.1 ABOUT OFFSHORE WIND FARMS
3 2.1.1 DEVELOPMENTS IN THE WIND POWER BUSINESS 3 2.1.2 USED TURBINE
TECHNOLOGY 5 2.1.3 CONCEPTS OF ELECTRIFICATION OF OFFSHORE WIND FARMS 7
2.2 CONCERNING DC TECHNOLOGY 9 2.2.1 HISTORICAL BACKGROUND 9 2.2.2
STATE-OF-THE-ART 10 2.2.3 RESEARCH ON DC SYSTEMS FOR OFFEHORE WIND FARMS
11 2.3 MOTIVATION OF WORK 12 I 3 HIGH-POWER DC CIRCUIT BREAKER 13 3.1
FUNDAMENTALS ON SWITCHING IN DC GRIDS 13 3.2 SOLID-STATE CIRCUIT
BREAKERS 16 3.3 FAST MECHANICAL CIRCUIT BREAKER 19 3.4 CONVENTIONAL
HYBRID CIRCUIT BREAKER CONCEPTS 20 3.5 SNUBBERED MECHANICAL CIRCUIT
BREAKER (SMCB) 23 3.5.1 FUNDAMENTALS ON SMCB . . .,- V * * 23 3.5.2
ANALYTICAL DESIGN OF THE SMCB 25 3.5.3 SIMULATION RESULTS OF THE SMCB .
30 3.6 COMPARISON OF DIFFERENT DC CIRCUIT BREAKER CONCEPTS 33 3.7
SUMMARY 38 CONTENTS 4 DESIGN OF MEDIUM-FREQUENCY TRANSFORMERS 39 4.1
FUNDAMENTALS ON TRANSFORMER DESIGN 39 4.1.1 REQUIRED CORE VOLUME 40
4.1.2 REQUIRED WINDING VOLUME 42 4.1.3 CALCULATION OF THE INDUCTANCES 43
4.2 LOSS CALCULATION OF THE TRANSFORMER 46 4.2.1 CORE LOSSES 46 4.2.2
WINDING LOSSES 49 4.2.3 THERMAL MODEL 56 4.3 DESIGN MODEL FOR
THREE-PHASE TRANSFORMERS 58 4.4 VERIFICATION OF THE TRANSFORMER MODEL 62
4.5 SUMMARY 63 5 HIGH-POWER MEDIUM-FREQUENCY DC/DC CONVERTER 65 5.1
FUNDAMENTALS ON DC/DC CONVERTERS 65 5.2 SUITABLE TRANSFORMER MATERIAL 67
5.3 SINGLE ACTIVE BRIDGE (SAB) 69 5.4 DUAL ACTIVE BRIDGE (DAB) 73 5.4.1
FUNDAMENTALS 73 5.4.2 SOFT-SWITCHING BOUNDARIES 75 5.5 SERIES RESONANT
CONVERTER (SRC) 78 5.5.1 BASIC PRINCIPLE OF THE SRC 78 5.5.2 MEASUREMENT
RESULTS OF GCTS FOR SRC OPERATION 80 5.5.3 ASYMMETRICAL BI-DIRECTIONAL
SRC 84 5.6 GENERAL COMPARISON OF DIFFERENT DC/DC CONVERTER TOPOLOGIES 87
5.7 SUMMARY 88 6 POSSIBLE CONFIGURATIONS OF HIGH-POWER DC GRIDS 91 6.1
GENERAL ASSUMPTIONS 91 6.1.1 LOAD CYCLE EFFICIENCY (LCE) .'.'.-. F.
91 6.1.2 ANALYZED CONFIGURATIONS 93 6.2 CENTRALIZED CONVERTER CONCEPT 96
6.2.1 TRANSFORMER AND CONVERTER DESIGN 96 6.2.2 CLUSTERING OF DC/DC
CONVERTERS 103 CONTENTS 6.3 DISTRIBUTED CONVERTER CONCEPT 106 6.3.1
TRANSFORMER AND CONVERTER DESIGN 106 6.3.2 EFFICIENCY IN DIFFERENT MODES
OF OPERATION 107 6.4 COMPARISON OF DIFFERENT CONCEPTS 110 6.5 SUMMARY
112 7 GRID CONTROL AND SYSTEM BEHAVIOR 113 7.1 MODELING OF COMPONENTS
113 7.2 CONTROL DESIGN 117 7.3 VERIFICATION 123 7.4 SUMMARY 128 8
COMPARISON OF DC AND AC SYSTEMS 129 8.1 SCENARIOS AND SCOPE OF ANALYSIS
129 8.2 COMPARISON OF EFFICIENCY 131 8.3 ECONOMIC MODEL OF THE WIND FARM
134 8.4 COST EVALUATION 137 8.5 SUMMARY 142 9 CONCLUSION AND FUTURE WORK
143 9.1 SUMMARY AND CONCLUSIONS 143 9.2 FUTURE WORK 144 3 BIBLIOGRAPHY
146 A TABLES AND FIGURES 161 A.I OVERVIEW ON PLANNED OFFSHORE WIND FARMS
IN GERMANY 161 A.2 PARAMETERS FOR ECONOMIC ASSESSMENT 163 A.3 COST
COMPARISON DOUBLY FED GENERATOR 164 B ADDITIONAL CALCULATIONS 165 B.I
CREEPING DISTANCE BETWEEN WINDINGS'AND CORE . . . 165 B.2 EQUATIONS FOR
CABLE STABILITY ' 166 B.2.1 MODAL DECOMPOSITION 166 B.2.2 MODAL LINE
EQUATIONS 167 B.3 CALCULATION OF AC DISTRIBUTION LOSSES 168 CONTENTS C
DEUTSCHE ZUSAMMENFASSUNG 175 D LEBENSLAUF (CURRICULUM VITAE) 187 |
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| index_date | 2024-07-02T20:48:41Z |
| indexdate | 2024-07-09T21:15:28Z |
| institution | BVB |
| isbn | 9783832265717 |
| language | English |
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| series2 | Aachener Beiträge des ISEA |
| spelling | Meyer, Christoph 1975- Verfasser (DE-588)13349523X aut Key components for future offshore DC grids Christoph Meyer Aachen Shaker 2007 IV, 187 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Aachener Beiträge des ISEA 46 Zugl.: Aachen, Techn. Hochsch., Diss., 2007 Gleichspannungswandler (DE-588)4308858-2 gnd rswk-swf Schutzschaltung (DE-588)4180279-2 gnd rswk-swf Windkraftwerk (DE-588)4128839-7 gnd rswk-swf Offshorebauwerk (DE-588)4128556-6 gnd rswk-swf Mittelfrequenz (DE-588)4307169-7 gnd rswk-swf Leistungstransformator (DE-588)4167309-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Windkraftwerk (DE-588)4128839-7 s Offshorebauwerk (DE-588)4128556-6 s Schutzschaltung (DE-588)4180279-2 s Leistungstransformator (DE-588)4167309-8 s Gleichspannungswandler (DE-588)4308858-2 s Mittelfrequenz (DE-588)4307169-7 s DE-604 Aachener Beiträge des ISEA 46 (DE-604)BV005721577 46 HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016490896&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Meyer, Christoph 1975- Key components for future offshore DC grids Aachener Beiträge des ISEA Gleichspannungswandler (DE-588)4308858-2 gnd Schutzschaltung (DE-588)4180279-2 gnd Windkraftwerk (DE-588)4128839-7 gnd Offshorebauwerk (DE-588)4128556-6 gnd Mittelfrequenz (DE-588)4307169-7 gnd Leistungstransformator (DE-588)4167309-8 gnd |
| subject_GND | (DE-588)4308858-2 (DE-588)4180279-2 (DE-588)4128839-7 (DE-588)4128556-6 (DE-588)4307169-7 (DE-588)4167309-8 (DE-588)4113937-9 |
| title | Key components for future offshore DC grids |
| title_auth | Key components for future offshore DC grids |
| title_exact_search | Key components for future offshore DC grids |
| title_exact_search_txtP | Key components for future offshore DC grids |
| title_full | Key components for future offshore DC grids Christoph Meyer |
| title_fullStr | Key components for future offshore DC grids Christoph Meyer |
| title_full_unstemmed | Key components for future offshore DC grids Christoph Meyer |
| title_short | Key components for future offshore DC grids |
| title_sort | key components for future offshore dc grids |
| topic | Gleichspannungswandler (DE-588)4308858-2 gnd Schutzschaltung (DE-588)4180279-2 gnd Windkraftwerk (DE-588)4128839-7 gnd Offshorebauwerk (DE-588)4128556-6 gnd Mittelfrequenz (DE-588)4307169-7 gnd Leistungstransformator (DE-588)4167309-8 gnd |
| topic_facet | Gleichspannungswandler Schutzschaltung Windkraftwerk Offshorebauwerk Mittelfrequenz Leistungstransformator Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=016490896&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV005721577 |
| work_keys_str_mv | AT meyerchristoph keycomponentsforfutureoffshoredcgrids |