{"id":252813,"date":"2024-10-19T16:41:46","date_gmt":"2024-10-19T16:41:46","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-16-30336914-dc\/"},"modified":"2024-10-25T12:01:54","modified_gmt":"2024-10-25T12:01:54","slug":"bsi-16-30336914-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-16-30336914-dc\/","title":{"rendered":"BSI 16\/30336914 DC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
8<\/td>\nFOREWORD <\/td>\n<\/tr>\n
10<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
11<\/td>\n2.1 Use of normative references
3 Terms and definitions
3.1 Valve side winding
3.2 Line side winding
3.3 List of variables <\/td>\n<\/tr>\n
12<\/td>\n4 General requirements
4.1 Service conditions
4.1.1 General <\/td>\n<\/tr>\n
13<\/td>\n4.1.2 Temperature
4.1.3 Load current
4.1.4 AC voltage
4.1.5 Direction of power flow
4.2 Unusual service conditions
4.3 Loading of transformer above rating
5 Rating data
5.1 General
5.2 Rated voltage <\/td>\n<\/tr>\n
14<\/td>\n5.3 Rated current
5.4 Rated frequency
5.5 Rated power
6 Losses
6.1 General
6.2 No-load loss
6.3 Load loss under rated frequency conditions
6.4 Load loss under service conditions <\/td>\n<\/tr>\n
15<\/td>\n6.5 Determination of hot-spot temperature <\/td>\n<\/tr>\n
16<\/td>\n7 Test requirements
7.1 General
7.1.1 Routine tests
7.1.2 Type tests
7.1.3 Special tests
7.1.4 Commissioning tests <\/td>\n<\/tr>\n
17<\/td>\n7.2 Test applicability
7.2.1 General
7.2.2 DC withstand voltage test
7.2.3 Polarity reversal test
7.2.4 AC applied withstand test for valve side winding(s) <\/td>\n<\/tr>\n
18<\/td>\n7.3 Dielectric test voltage levels
7.3.1 Line windings
7.3.2 Valve windings
7.3.2.1 Lightning impulse levels
7.3.2.2 Switching impulse levels
7.3.2.3 DC withstand voltage level
7.3.2.4 Polarity-reversal level
7.3.2.5 AC applied withstand level with partial discharge measurement
7.4 Induced voltage level with partial discharge measurement <\/td>\n<\/tr>\n
19<\/td>\n8 Tests
8.1 General
8.1.1 Test sequence
8.1.2 Ambient temperature
8.1.3 Assembly
8.1.4 Converter transformers for connection to gas-insulated equipment
8.2 Load loss and impedance measurements
8.2.1 General <\/td>\n<\/tr>\n
20<\/td>\n8.2.2 Calculation procedure
8.3 Switching impulse test
8.4 Applied switching impulse test on the valve winding
8.5 Lightning impulse tests
8.6 DC withstand voltage test
8.6.1 Applicability <\/td>\n<\/tr>\n
21<\/td>\n8.6.2 Transformer test temperature
8.6.3 Polarity
8.6.4 Test procedure
8.6.5 Acceptance criteria
8.7 Polarity reversal test
8.7.1 Applicability
8.7.2 Transformer test temperature
8.7.3 Test procedure <\/td>\n<\/tr>\n
22<\/td>\n8.7.4 Acceptance criteria <\/td>\n<\/tr>\n
23<\/td>\n8.8 Extended polarity-reversal test
8.8.1 Applicability
8.8.2 Transformer test temperature
8.8.3 Test procedure <\/td>\n<\/tr>\n
25<\/td>\n8.8.4 Acceptance criteria
8.9 AC applied voltage test for valve side winding(s)
8.9.1 Test procedure
8.9.2 Acceptance criteria
8.10 AC applied voltage test on line side winding(s)
8.11 AC induced test <\/td>\n<\/tr>\n
26<\/td>\n8.11.1 Acceptance criteria
8.12 Induced voltage including running of oil pumps
8.13 Temperature-rise test
8.13.1 Test procedure <\/td>\n<\/tr>\n
27<\/td>\n8.13.2 Tank surface temperature rise measurement
8.14 Load-current test
8.15 Sound level measurement (type test) <\/td>\n<\/tr>\n
28<\/td>\n8.16 Insulation power-factor test
8.17 Insulation resistance test
8.18 Core insulation resistance test
8.19 Short-circuit test
8.20 Frequency Response Analysis (FRA) measurements
8.21 Over-excitation test <\/td>\n<\/tr>\n
29<\/td>\n9 Dielectric tests on transformers that have been in service
10 Sound levels
10.1 General
10.2 Determination of service sound levels
10.3 Guaranteed sound levels <\/td>\n<\/tr>\n
30<\/td>\n11 Bushings
11.1 General
11.2 Line side winding bushings
11.3 Valve side winding bushings
12 Tap-changer
12.1 General
12.2 Current wave shape
12.3 Consecutive operation of tap changers
13 High-frequency modelling
14 Tolerances
14.1 General
14.2 Short-circuit impedance tolerances <\/td>\n<\/tr>\n
31<\/td>\n15 Rating plate <\/td>\n<\/tr>\n
32<\/td>\nAnnex A (informative) In service overloading of HVDC converter transformers used with current commutated valves (either mercury arc valves or thyristors)
A.1 General
A.2 Overloading in service <\/td>\n<\/tr>\n
34<\/td>\nA.3 Temperature rise test for demonstrating normal loading condition
A.4 Temperature rise test for demonstrating planned overload conditions <\/td>\n<\/tr>\n
36<\/td>\nAnnex B (informative) HVDC converter transformers for use with voltage source converters
B.1 Introduction
B.2 Converter transformer stressed with only fundamental voltage and current <\/td>\n<\/tr>\n
37<\/td>\nB.3 Converter transformer stressed with direct voltage, fundamental voltage and fundamental current <\/td>\n<\/tr>\n
38<\/td>\nB.4 Converter transformer stressed with the valves connected directly to the converter transformer <\/td>\n<\/tr>\n
40<\/td>\nAnnex C (informative) Design review
C.1 Introduction
C.2 Topics <\/td>\n<\/tr>\n
42<\/td>\nAnnex D (informative) Transformer specification content
D.1 Introduction
D.2 Data to be provided by the purchaser <\/td>\n<\/tr>\n
43<\/td>\nD.3 Data to be provided by the manufacturer <\/td>\n<\/tr>\n
44<\/td>\nAnnex E (informative) Audible sound of converter transformers
E.1 Introduction
E.2 Normative reference
E.3 Current harmonics
E.4 Voltage harmonics <\/td>\n<\/tr>\n
45<\/td>\nE.5 DC bias current
E.6 Derivation of service sound power levels
E.7 Sound level guarantee <\/td>\n<\/tr>\n
46<\/td>\nAnnex F (informative) Determination of transformer service load loss at rated non-sinusoidal converter current from measurements with rated transformer current of fundamental frequency
F.1 General <\/td>\n<\/tr>\n
47<\/td>\nF.2 Alternative method for calculation of the winding eddy loss enhancement factor <\/td>\n<\/tr>\n
49<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

BS EN 60076-57-129. Convertor transformers. Part 57-129. Transformers for HVDC applications<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2016<\/td>\n49<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":252818,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-252813","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/252813","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/252818"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=252813"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=252813"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=252813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}