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Superseded

PD IEC/TS 60076-23 ED.1.0 - POWER TRANSFORMERS - PART 23: SUPPRESSION DEVICES OF DC MAGNETIC BIAS OF ELECTRIC POWER TRANSFORMERS

Available format(s)

Hardcopy , PDF

Superseded date

08-02-2018

Language(s)

English

Publisher

British Standards Institution

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Service Conditions
5 Selection principle
6 DC current-limiting device
7 DC Current-blocking Device
8 Tests
9 Packaging, Transportation and Storage
   requirements
10 Nameplate specification
11 Technical documentation requirements
Annex A (informative) - Mechanism of DC Magnetic
        Bias current in case of Earth Return
        Configuration
Annex B (informative) - Harm Example of DC Bias
Annex C (informative) - DC current-limiting device
Annex D (informative) - DC blocking device
Annex E (informative) - Typical Calculation Model
        Information needed to calculate the DC bias
        current of transformers
Annex F (informative) - Application Case

PD IEC/TS 60076-23 Ed.1.0.

Committee	PEL/14
DocumentType	Draft
Pages	41
PublisherName	British Standards Institution
Status	Superseded

IEEE 32-1972	IEEE Standard Requirements, Terminology, and Test Procedures for Neutral Grounding Devices
IEEE C62.92.5-2009	IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems, Part V-Transmission Systems and Subtransmission Systems
IEC 60721-2-6:1990	Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Earthquake vibration and shock
IEC 60076-3:2013	Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
IEC 60871-1:2014	Shunt capacitors for a.c. power systems having a rated voltage above 1 000 V - Part 1: General
IEC 60273:1990	Characteristic of indoor and outdoor post insulators for systems with nominal voltages greater than 1000 V
IEC 60076-6:2007	Power transformers - Part 6: Reactors
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IEEE 18-2012	IEEE Standard for Shunt Power Capacitors
IEC 60168:1994+AMD1:1997+AMD2:2000 CSV	Tests on indoor and outdoor post insulators of ceramic material or glass for systems with nominal voltages greater than 1000 V