Transformer. Standards IEC 60076 Power transformers

TransformerTransformer

Standards

• IEC 60076Power transformers

Transformer Main Parts

1. Three-limb core2. LV Winding3. HV Winding4. Tapped Winding5. Tap Leads6. LV Bushings7. HV Bushings8. Clamping Frame9. On-Load Tap Changer10. Motor Drive11. Tank12. Conservator13. Radiators

Active Part

Windings and Cores

Conductors

Papers

Pressboards

Bushing

Conservator

Breather

Buchholz Relay

Non Return (Shutter) Valve

Pressure relief devices

Thermometers

Oil Level Indicator

On Load Tap Changer

Motor Drive

Cooling System

Technical Specifications1. 3-phase unit/bank of single phase units2. Separate winding/auto transformer3. Rated voltage (HV/LV/TV)4. Rated frequency5. Cooling system6. Vector group7. Rated power9. Rated current (HV/LV/TV)10. Insulation level (HV/LV/TV/Neutral)

a) LIWL (winding /bushing)b) SIWL (winding /bushing)c) PFWL (winding /bushing)

11. Creepage distance

12. Continuous power rating at principal tap:12.1. at first stage of cooling a) HV Winding b)LV Winding c)TV Winding12.2. at second stage of cooling a) HV Winding b)LV Winding c)TV Winding12.3. at third stage of cooling a) HV Winding b)LV Winding c)TV Winding

Technical Specifications

13. Maximum temperature risea) Oilb) Windingc) Hottest spot

14. Insulation level (HV/LV/TV/Neutral)a) LIWL (winding /bushing)b) SIWL (winding /bushing)c) PFWL (winding /bushing)

15. Positive sequence impedance at 75oC on principle tapping (max./min. tap voltage) and:a) between HV & LV windingb) between HV & TV winding (if applicable)c) between TV & LV winding (if applicable)

16. Rated short circuit strength on windings (HV/LV/TV)17. Short circuit duration18. No load losses19. Load losses20. Type of winding21. Type of insulation of windings (uniform/graded)

a)HV b)LV c)TV

22. Max. sound level (dB)

23. Tap changer

a) Type (oil/vacuum) b) rated current c) rated voltage d) total range e) total number of steps f) variation per step g) position of tapping h) insulation level

Power Transformer Outline Drawing

Distribution Transformer

Distribution Transformer(Conservator Type)

Distribution Transformer(Hermetically Sealed)

Dry Type Transformer

Shunt Reactors

Transformer. Standards IEC 60076 Power transformers

Documents

CONTENIDO - ICE · IEC 60076-3 ed2.0 (2000-03) Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air. IEC 60076-5 ed3.0 (2006-02) Power transformers

Supplementary Specification to IEC 60076-1 Transformers · 2021. 1. 18. · Supplementary Specification to IEC 60076-1 Transformers Page 3 of 23 S-720 December 2020 Introduction The

Fuji Tusco Co., Ltd. · 2020. 1. 13. · IEC 60076-2 Edition 3.0 2011-02 Field of Testing Electrical Field 2. Power Transformer: Dry type transformers (cont.) 3 phase transformers

Current Transformer Voltage Transformer - Dahms GmbH 2019. 8. 29. · Current transformers Current transformers are special transformers for the proportional transformation of high

Deutsche Akkreditierungsstelle GmbH Annex to the ... · EN 60076-13:2006 DIN EN 60076-13:2007-07 VDE 0532-76-13 Power transformers – Part 13: Self- protected liquid-filled transformers

Transformer Installation, Assembly & Testingsite.ieee.org/sas-pesias/files/2019/02/TransformerAssemblyInstallation... · IEC •IEC 60076 (Power transformers Parts 1 through 21) •EC

Transformer Protection IED - Toshiba · transformer units. This protection requires no interposing CTs and provides stability ... power transformers, auto-transformers and generator-transformer

Distribution transformers Green distribution transformer

Oil Distribution Transformers Minera · Minera - Oil immersed Transformer Standard These transformers comply with standards: • EN 50464-1 • EN 60076-1 to 10 Schneider Electric

Edition 1.0 2020-07 INTERNATIONAL STANDARD NORME ...IEC 60076-7, Power transformers – Part 7: Loading guide for mineral -oil-immersed power transformers IEC 60076-10, Power transformers

GTB Transformers, Ludhiana, Step Down Transformer

NORME CE1 INTERNATIONALE IEC INTERNATIONAL 60092-303 …dlbargh.ir/mbayat/139.pdf · 2019. 8. 7. · IEC 60076, Power transformers IEC 60076-1: 1993, Power transformers - Part 7:

Edition 1.0 INTERNATIONAL STANDARD NORME …ed1.0}b.pdfIEC 60076-1:1993, Power transformers – Part 1: General IEC 60076-6:2007, Power transformers – Part 6: Reactors IEC 60143-1:2004,

GTB Transformers - Transformer Exporter, Manufacturer

GST002 POWER TRANSFORMERS Rev. 0 · 2020. 5. 7. · IEC 60076-2 (2011) Power transformers – Part 2: Temperature rise for liquid-immersed transformers IEC 60076-3 (2013) Power transformers

Transformer Protection IED - Toshiba · GRT200 transformer protection is implemented on Toshiba’s next generation GR-200 series ... power transformers, auto-transformers and generator-transformer

Supplementary Specification to IEC 60076-1 Transformers · 2020. 11. 27. · IEC 61378-1, Converter transformers – Part 1: Transformers for industrial applications IEC 61869-2,

IS 2026-7 (2009): Power Transformers, Part 7: Loading ... · IEC 60076-2:1993, Power transformers - Part 2: Temperature rise IEC 60076-4:2002, Power transformers - Part 4: Guide to

Oil-Immersed Transformer INSTRUMENT TRANSFORMERS

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