{"id":398260,"date":"2024-10-20T04:34:52","date_gmt":"2024-10-20T04:34:52","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/ieee-60214-2-2019\/"},"modified":"2024-10-26T08:23:09","modified_gmt":"2024-10-26T08:23:09","slug":"ieee-60214-2-2019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/ieee\/ieee-60214-2-2019\/","title":{"rendered":"IEEE 60214-2-2019"},"content":{"rendered":"

New IEEE Standard – Active.<\/p>\n

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\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
1<\/td>\nIEC\/IEEE 60214-2 Front Cover <\/td>\n<\/tr>\n
3<\/td>\nTitle page <\/td>\n<\/tr>\n
4<\/td>\nCONTENTS <\/td>\n<\/tr>\n
9<\/td>\nFOREWORD <\/td>\n<\/tr>\n
12<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
13<\/td>\n1 Scope
2 Normative references
2.1 IEC references <\/td>\n<\/tr>\n
14<\/td>\n2.2 IEEE references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions <\/td>\n<\/tr>\n
15<\/td>\n3.2 Abbreviated terms
4 Use of normative references <\/td>\n<\/tr>\n
16<\/td>\n5 Application of tap-changers for transformers and reactors
5.1 General
5.2 Typical circuits for regulation
Figures
Figure\u00a01 \u2013 Tap-changers in a star-connected winding <\/td>\n<\/tr>\n
17<\/td>\nFigure\u00a02 \u2013 Tap-changers in series transformers
Figure\u00a03 \u2013 Tap-changers in delta-connected windings <\/td>\n<\/tr>\n
18<\/td>\n5.3 Basic arrangements of tapped windings with on-load tap-changers
Figure\u00a04 \u2013 Tap-changers in autotransformers <\/td>\n<\/tr>\n
19<\/td>\n5.4 Basic arrangements of tapped windings with step-voltage regulator on-load tap-changers
5.5 Basic arrangements of tapped windings with de-energized tap-changers
5.5.1 Bridging contact scheme for DETC
Figure\u00a05 \u2013 Basic arrangements of the regulating winding <\/td>\n<\/tr>\n
20<\/td>\n5.5.2 Linear contact scheme for DETC
5.5.3 WYE (star) contact scheme for DETC
5.5.4 Most common basic arrangements for different combinations <\/td>\n<\/tr>\n
21<\/td>\n6 Types of tap-changers
6.1 On-load tap-changers (OLTCs)
6.1.1 General
Figure\u00a06 \u2013 Common connection arrangements <\/td>\n<\/tr>\n
22<\/td>\n6.1.2 Principles of operation <\/td>\n<\/tr>\n
23<\/td>\nFigure\u00a07 \u2013 Operating sequence of a diverter switch (d to i) and tap selector (a to c)(non-vacuum type diverter switch with operating cycle number\u00a01) <\/td>\n<\/tr>\n
24<\/td>\nFigure\u00a08 \u2013 Operating sequence of a selector switch (a to e)(non-vacuum type selector switch with operating cycle number\u00a01)
Figure\u00a09 \u2013 Diagram of connections of non-vacuum, resistor type on-load tap-changers(IEC\u00a060214-1:2014, Table\u00a0A.1, or IEEE\u00a0Std\u00a0C57.131-2012, Table\u00a0A.1) <\/td>\n<\/tr>\n
26<\/td>\nFigure\u00a010 \u2013 Diagram of connections of vacuum, resistor type on-load tap-changers(IEC\u00a060214-1:2014, Table\u00a0A.3) <\/td>\n<\/tr>\n
28<\/td>\nFigure\u00a011 \u2013 Operating sequence (a) to g)) of a diverter switch and tap selector(non-vacuum type) <\/td>\n<\/tr>\n
29<\/td>\n6.1.3 Physical layouts
Figure\u00a012 \u2013 Diagram of connections of non-vacuum, reactor type on-load tap-changers(IEC\u00a060214-1:2014, Annex\u00a0B, or IEEE\u00a0Std\u00a0C57.131-2012, Annex\u00a0B)
Figure\u00a013 \u2013 Diagram of connections of reactor type on-loadtap-changer with vacuum interrupter and tap selector(IEC\u00a060214-1:2014, Annex\u00a0B, or IEEE\u00a0Std\u00a0C57.131-2012, Annex\u00a0B) <\/td>\n<\/tr>\n
31<\/td>\nFigure\u00a014 \u2013 Common layouts for compartment type tap-changers <\/td>\n<\/tr>\n
33<\/td>\nFigure\u00a015 \u2013 Common layouts for in-tank-type tap-changers <\/td>\n<\/tr>\n
34<\/td>\n6.2 De-energized tap-changers (DETCs)
6.2.1 General
6.2.2 Types of DETC
6.2.3 Location of DETC in the transformer tank or enclosure <\/td>\n<\/tr>\n
35<\/td>\nFigure\u00a016 \u2013 Common arrangements of DETCs in the transformer main tank <\/td>\n<\/tr>\n
36<\/td>\n6.3 Tap-changer environment
6.3.1 Liquid immersed tap-changers <\/td>\n<\/tr>\n
37<\/td>\n6.3.2 Dry-type tap-changers (OLTC and DETC) <\/td>\n<\/tr>\n
38<\/td>\n6.3.3 Gas-immersed tap-changers (SF6-insulated tap-changers) <\/td>\n<\/tr>\n
39<\/td>\nFigure\u00a017 \u2013 Externally mounted diverter compartmentwith an in-tank tap selector and a barrier board <\/td>\n<\/tr>\n
40<\/td>\n6.4 Other types
6.4.1 General
6.4.2 Electronic tap-changers
6.4.3 Step-voltage regulators
6.4.4 Advance retard switch (ARS) <\/td>\n<\/tr>\n
41<\/td>\n6.4.5 OLTCs for distribution transformers
7 On-load tap-changers
7.1 General
7.2 Selection of OLTCs
7.2.1 Basic parameters
Figure\u00a018 \u2013 ARS application and mode of operation in a PST <\/td>\n<\/tr>\n
46<\/td>\nFigure\u00a019 \u2013 Selector at both fine tap and coarse winding <\/td>\n<\/tr>\n
47<\/td>\n7.2.2 Additional data
7.3 Application of OLTCs
7.3.1 General
7.3.2 OLTCs for application in special transformers with non-sinusoidal currents (HVDC, rectifier transformers, converter transformers, etc.) <\/td>\n<\/tr>\n
48<\/td>\n7.3.3 OLTCs for PSTs <\/td>\n<\/tr>\n
49<\/td>\n7.3.4 OLTCs for arc furnace transformers
7.3.5 OLTCs for shunt reactors <\/td>\n<\/tr>\n
50<\/td>\n7.3.6 OLTCs for series reactors
7.3.7 OLTCs for unit auxiliary transformers
7.3.8 OLTCs for railway supply transformers
7.3.9 Transformers and phases out-of-step condition <\/td>\n<\/tr>\n
51<\/td>\n7.4 Other important parameters for OLTCs
7.4.1 Current wave shapes other than sinusoidal
7.4.2 Operating pressure <\/td>\n<\/tr>\n
52<\/td>\n7.4.3 Operational life of breaking and making contacts
Figure\u00a020 \u2013 Tap-changer oil conservator arrangement <\/td>\n<\/tr>\n
53<\/td>\n7.4.4 Tap-changer mechanical life
7.4.5 Motor-drive mechanism
7.4.6 Pressure and vacuum test <\/td>\n<\/tr>\n
54<\/td>\n7.4.7 Temperature conditions
7.4.8 Overloading conditions <\/td>\n<\/tr>\n
55<\/td>\n7.4.9 Continuous consecutive operations
7.4.10 Preventive autotransformer circuit (reactor type tap-changer only) <\/td>\n<\/tr>\n
56<\/td>\n8 De-energized tap-changers
8.1 General
8.2 Selection of DETCs
8.2.1 Currents <\/td>\n<\/tr>\n
57<\/td>\n8.2.2 Rated step voltage
8.2.3 Insulation level
8.2.4 Number of tap positions
8.3 Application of DETCs
8.3.1 General
8.3.2 Frequencies
8.3.3 Application involving non-sinusoidal currents(HVDCs, rectifier transformers, converter transformers, etc.) <\/td>\n<\/tr>\n
58<\/td>\n8.3.4 DETCs for arc furnace transformers and other high load cycle applications
8.3.5 DETCs for peaking pulsing loads
8.4 Other important parameters for DETCs
8.4.1 Tap-changer mechanical life
8.4.2 Motor-drive
8.4.3 Paralleling de-energized tap-changers\/current splitting <\/td>\n<\/tr>\n
59<\/td>\n9 Protective devices for OLTCs
9.1 General
Figure\u00a021 \u2013 Current splitting in DETCs <\/td>\n<\/tr>\n
60<\/td>\n9.2 Increase of pressure within diverter or selector switch liquid compartments
9.2.1 General
9.2.2 Liquid flow controlled relay
9.2.3 Overpressure relay <\/td>\n<\/tr>\n
61<\/td>\n9.2.4 Sudden pressure relay
9.2.5 Pressure relief device
9.3 Increase of pressure within a diverter or selector switch in SF6
9.3.1 General
9.3.2 Pressure gauge (compound gauge) <\/td>\n<\/tr>\n
62<\/td>\n9.3.3 Sudden pressure relay
9.4 Switching under excessive overload
9.5 Extreme medium temperatures
9.6 Increase of pressure within separate tap selector liquid compartments
9.6.1 General <\/td>\n<\/tr>\n
63<\/td>\n9.6.2 Double element gas and liquid operated relay (Buchholz)
9.6.3 Overpressure relay
9.6.4 Pressure relief device
9.7 Tap-change supervisory circuit and phase unbalance protection <\/td>\n<\/tr>\n
64<\/td>\n9.8 Vacuum interrupter monitoring system
10 Fittings and accessories for OLTCs
10.1 General
10.2 Valves, air release vents and liquid-sampling devices
10.3 Liquid-level gauges <\/td>\n<\/tr>\n
65<\/td>\n10.4 Low liquid-level alarms
10.5 Dehydrating breathers
10.6 Oil filtering equipment
10.7 Devices to aid maintenance
10.8 Nameplate and other plates <\/td>\n<\/tr>\n
66<\/td>\n11 Storage and installation of the tap-changer
11.1 Storage of OLTC and DETC when not in operation
11.1.1 General
11.1.2 Storage prior to installation
11.1.3 Storage after installation <\/td>\n<\/tr>\n
67<\/td>\n11.2 Leads assembly to\/at the tap-changer
11.3 Tap-changer mounting to the transformer tank
Figure\u00a022 \u2013 Types of in-tank OLTC installations within the transformer <\/td>\n<\/tr>\n
68<\/td>\n11.4 Processing and filling
11.5 Operation of OLTC for ratio measurement <\/td>\n<\/tr>\n
69<\/td>\n12 Field service (operation, maintenance and monitoring)
12.1 Commissioning
12.1.1 General
12.1.2 Transformer ratio measurement <\/td>\n<\/tr>\n
70<\/td>\n12.1.3 Tap-changer concerns during winding resistance measurement
12.1.4 Check of the synchronization of the drive system <\/td>\n<\/tr>\n
71<\/td>\n12.1.5 General functional checks
12.2 Operation
12.2.1 Parallel operation
12.2.2 Contact erosion and liquid contamination <\/td>\n<\/tr>\n
72<\/td>\n12.2.3 Overheating of contacts when operating in fixed tap position
12.2.4 Discharges during the operation of change-over selectors <\/td>\n<\/tr>\n
73<\/td>\n12.3 Maintenance
12.3.1 General
12.3.2 Maintenance intervals
12.3.3 Performance of maintenance
12.3.4 Maintenance work
12.3.5 Contact resistance measurement <\/td>\n<\/tr>\n
74<\/td>\n12.3.6 Motor-drives and shafts
12.3.7 Accessories
12.4 Monitoring
12.4.1 General <\/td>\n<\/tr>\n
75<\/td>\n12.4.2 Periodic monitoring <\/td>\n<\/tr>\n
77<\/td>\n12.4.3 Continuous monitoring
12.4.4 Commercial monitoring systems <\/td>\n<\/tr>\n
78<\/td>\n13 Safety
13.1 Gases
13.2 Operation of an on-load tap-changer
13.2.1 General
13.2.2 Overpressure protection
13.2.3 Pressure relief devices
13.3 Operation of de-energized tap-changers
13.3.1 General <\/td>\n<\/tr>\n
79<\/td>\n13.3.2 Manual drive operation
13.3.3 Motor-drive operation <\/td>\n<\/tr>\n
80<\/td>\n13.4 Immersing medium
14 Information to be provided by the transformer manufacturer
14.1 Information required at the enquiry or order stage for an OLTC <\/td>\n<\/tr>\n
82<\/td>\n14.2 Information required at the enquiry or order stage for a DETC
14.2.1 General
14.2.2 Only for rack or slide-type design of DETC
14.2.3 Small DETCs <\/td>\n<\/tr>\n
83<\/td>\n14.3 Documentation <\/td>\n<\/tr>\n
84<\/td>\nBibliography <\/td>\n<\/tr>\n
87<\/td>\nIEEE Back Cover <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

IEEE\/IEC International Standard for TAP-changers –Part 2: Application guidelines<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
IEEE<\/b><\/a><\/td>\n2019<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":398267,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2644],"product_tag":[],"class_list":{"0":"post-398260","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-ieee","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\/398260","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\/398267"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=398260"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=398260"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=398260"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}