Transformer Standards IEC 60076 Power transformers Transformer Main

  • Slides: 34
Download presentation
Transformer

Transformer

Standards • IEC 60076 Power transformers

Standards • IEC 60076 Power transformers

Transformer Main Parts 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.

Transformer Main Parts 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Three-limb core LV Winding HV Winding Tapped Winding Tap Leads LV Bushings HV Bushings Clamping Frame On-Load Tap Changer Motor Drive Tank Conservator Radiators

Active Part

Active Part

Active Part

Active Part

Windings and Cores

Windings and Cores

Conductors

Conductors

Papers

Papers

Pressboards

Pressboards

Oil

Oil

Bushing

Bushing

Tank

Tank

Conservator

Conservator

Breather

Breather

Buchholz Relay

Buchholz Relay

Non Return (Shutter) Valve

Non Return (Shutter) Valve

Pressure relief devices

Pressure relief devices

Thermometers

Thermometers

Oil Level Indicator

Oil Level Indicator

On Load Tap Changer

On Load Tap Changer

On Load Tap Changer

On Load Tap Changer

Motor Drive

Motor Drive

Cooling System

Cooling System

Technical Specifications 1. 3 -phase unit/bank of single phase units 2. Separate winding/auto transformer

Technical Specifications 1. 3 -phase unit/bank of single phase units 2. Separate winding/auto transformer 3. Rated voltage (HV/LV/TV) 4. Rated frequency 5. Cooling system 6. Vector group 7. Rated power 9. 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

Technical Specifications 12. Continuous power rating at principal tap: 12. 1. at first stage

Technical Specifications 12. Continuous power rating at principal tap: 12. 1. at first stage of cooling a) HV Winding b)LV Winding c)TV Winding 12. 2. at second stage of cooling a) HV Winding b)LV Winding c)TV Winding 12. 3. at third stage of cooling a) HV Winding b)LV Winding c)TV Winding

Technical Specifications 13. Maximum temperature rise a) Oil b) Winding c) Hottest spot 14.

Technical Specifications 13. Maximum temperature rise a) Oil b) Winding c) 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 75 o. C on principle tapping (max. /min. tap voltage) and: a) between HV & LV winding b) between HV & TV winding (if applicable) c) between TV & LV winding (if applicable)

Technical Specifications 16. Rated short circuit strength on windings (HV/LV/TV) 17. Short circuit duration

Technical Specifications 16. Rated short circuit strength on windings (HV/LV/TV) 17. Short circuit duration 18. No load losses 19. Load losses 20. Type of winding 21. Type of insulation of windings (uniform/graded) a)HV b)LV c)TV 22. Max. sound level (d. B)

Technical Specifications 23. Tap changer a) Type (oil/vacuum) b) rated current c) rated voltage

Technical Specifications 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

Power Transformer Outline Drawing

Distribution Transformer

Distribution Transformer

Distribution Transformer (Conservator Type)

Distribution Transformer (Conservator Type)

Distribution Transformer (Hermetically Sealed)

Distribution Transformer (Hermetically Sealed)

Dry Type Transformer

Dry Type Transformer

Shunt Reactors

Shunt Reactors

IEC 61850 IEC 61850 IEC 61850 IEC 61850IEC 61850 IEC 61850 IEC 61850 IEC 61850
Transformer Transformer What is transformer Types of transformerTransformer Transformer What is transformer Types of transformer
Transformer Main Parts VG PATEL TRANSFORMER ENCYCLOPAEDIA TRANSFORMERTransformer Main Parts VG PATEL TRANSFORMER ENCYCLOPAEDIA TRANSFORMER
Transformers Transformers The simple transformer law relates outputTransformers Transformers The simple transformer law relates output
IEC 2015 IEC 2015 IEC eLearning module MIEC 2015 IEC 2015 IEC eLearning module M
IEC 2015 IEC 2015 IEC eLearning module MIEC 2015 IEC 2015 IEC eLearning module M
IEC 2015 IEC 2015 IEC eLearning module MIEC 2015 IEC 2015 IEC eLearning module M
IEC 2015 IEC 2015 IEC eLearning module MIEC 2015 IEC 2015 IEC eLearning module M
IEC 2015 IEC 2015 IEC eLearning module MIEC 2015 IEC 2015 IEC eLearning module M
IEC 2015 IEC 2015 IEC eLearning module MIEC 2015 IEC 2015 IEC eLearning module M
IEC IEC 61784 2 96 ETHERNET Powerlink IECIEC IEC 61784 2 96 ETHERNET Powerlink IEC
Unit1 Transformer What is transformer Transformers are electricalUnit1 Transformer What is transformer Transformers are electrical
Types of transformers Transformer Construction The transformer hasTypes of transformers Transformer Construction The transformer has
Types of transformers Transformer Construction The transformer hasTypes of transformers Transformer Construction The transformer has
Transformers Transformer can Transformer is an Static ElectricalTransformers Transformer can Transformer is an Static Electrical
UNIT 3 Transformers 1 Linear Transformer A transformerUNIT 3 Transformers 1 Linear Transformer A transformer
Lecture 10 TRANSFORMERS 1 TRANSFORMER A transformer canLecture 10 TRANSFORMERS 1 TRANSFORMER A transformer can
TRANSFORMER Objectives of Transformer Definition Of Transformer ConstructionTRANSFORMER Objectives of Transformer Definition Of Transformer Construction
Transformer Efficiency VG PATEL TRANSFORMER ENCYCLOPAEDIA TRANSFORMER EFFICIENCYTransformer Efficiency VG PATEL TRANSFORMER ENCYCLOPAEDIA TRANSFORMER EFFICIENCY
Rectifier Transformer VG PATEL TRANSFORMER ENCYCLOPAEDIA RECTIFIER TRANSFORMERRectifier Transformer VG PATEL TRANSFORMER ENCYCLOPAEDIA RECTIFIER TRANSFORMER
NIFPS For Transformer VG PATEL TRANSFORMER ENCYCLOPAEDIA TRANSFORMERNIFPS For Transformer VG PATEL TRANSFORMER ENCYCLOPAEDIA TRANSFORMER
Distribution Transformer VG PATEL TRANSFORMER ENCYCLOPAEDIA Distribution TransformerDistribution Transformer VG PATEL TRANSFORMER ENCYCLOPAEDIA Distribution Transformer
Transformer Types of Transformer Tappings Transformer and BushingsTransformer Types of Transformer Tappings Transformer and Bushings
Unit Transformer Unit transformer are step up transformerUnit Transformer Unit transformer are step up transformer