This part of IEC 60076 applies to liquid to water heat exchangers, using forced water and forced liquid circuits, used on liquid immersed power transformers according to IEC 60076-1 and reactors according to IEC 60076-6 with and without conservator for indoor or outdoor installation. It outlines the service conditions and the mechanical and electrical requirements that are common to this equipment.<\/p>\n
It also outlines the operation requirements specific to this equipment as well as the preferred dimensions relevant for interchangeability and the type and routine tests to be performed.<\/p>\n
| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | INTRODUCTION <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4 General requirements 4.1 Service conditions 4.2 Performance requirements 4.3 Degree of protection of electrical components (IP) 4.4 Corrosion protection 4.4.1 External (atmosphere) <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 4.4.2 Insulating liquid side 4.4.3 Water side 4.5 Insulating liquid characteristics 5 Design and characteristics 5.1 General 5.2 Main components and characteristics 5.2.1 General 5.2.2 Shell 5.2.3 Tube bundle in double tube arrangement <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 5.2.4 Headers 5.3 General characteristics 5.3.1 Rating plate information 5.3.2 Information to be provided with enquiry and order <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 5.3.3 Rated cooling capacity 5.3.4 Mechanical design <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Tables Table 1 \u2013 Water quality data <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 5.3.5 Preparation for transport and storage Table 2 \u2013 Mandatory fittings <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 5.3.6 Mounting and operating conditions 6 Tests 6.1 General requirements for tests 6.1.1 General 6.1.2 List of tests <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 6.2 Routine tests 6.2.1 Tightness test insulating liquid side 6.2.2 Tightness test water side 6.2.3 Visual inspection 6.2.4 Cleanliness 6.3 Type tests \u2013 Rated values test <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | Annex A (informative)Details of the heat exchangers A.1 Masses and dimensions A.2 Collection and forms of suspensory types Figures Figure A.1 \u2013 Collection and forms of suspensory types <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | A.3 Collection and forms of horizontal types Figure A.2 \u2013 Collection and forms of horizontal types <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | A.4 Collection and forms of vertical standing types Figure A.3 \u2013 Collection and forms of vertical standing types <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | A.5 Parts list \u2013 Materials \u2013 Common selection of materials <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | A.6 Example for fresh water Table A.1 \u2013 Examples of material selection depending on water quality Table A.2 \u2013 Average values for chemically neutral water (fresh water) <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Annex B (informative)Rating conditions of the heat exchangers B.1 General B.2 Definitions, symbols B.3 Calculation of capacity in service B.3.1 Service capacity for different temperatures at inlet according to Figure B.1 B.3.2 Service capacity for different mass flows according to Figure B.2 for plain tubes and according to Figure B.3 for finned tubes0F <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | B.3.3 Service capacity for different mass flows and different temperatures B.3.4 Example for calculation of 25 % capacity margin of new heat exchangers <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Figure B.1 \u2013 Capacity factor depending on inlet temperatures of oil and water <\/td>\n<\/tr>\n | ||||||
| 29<\/td>\n | Figure B.2 \u2013 Capacity factor depending on mass for plain tubes <\/td>\n<\/tr>\n | ||||||
| 30<\/td>\n | Figure B.3 \u2013 Capacity factor depending on mass for finned tubes <\/td>\n<\/tr>\n | ||||||
| 31<\/td>\n | Annex C (informative)Example for calculation of capacity in service <\/td>\n<\/tr>\n | ||||||
| 33<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Power transformers – Power transformer and reactor fittings. Insulating liquid to water heat exchangers<\/b><\/p>\n |