Transformer core ground current

Transformer core ground current, Total:216 items.

The international standard classification for "Transformer core ground current" includes: General standards related to shipbuilding and marine structures , Transformers. Reactors , Steels with special magnetic properties , Electric traction equipment , Aerospace electric equipment and systems .

The Chinese standard classification for "Transformer core ground current" includes: Technical management , Vessel technology , Transformer , Electrotechnical steel , Signal equipment , Fittings for overhead contact system , Electronic components .

Professional Standard - Electricity

DL/T 1389-2014 The Guide for Choice Neutral-earthing Reactor of 500kV Transformer
DL/T 1498.5-2019 Technical specification for on-line monitoring device of transformation equipment. Part5:On-line monitoring device of transformer core earthing current
DL/T 1433-2015 General Technical Specifications for Transformer Core Earth Current Measuring Device
DL/T 1176-2012 Regulation of Operation and Preventive Maintenance for AC 1000kV Oil-immersed Transformer and Shunt Reactor
DL/T 1432.5-2019 Testing specification for on-line monitoring device of transformation equipment一Part S:On-line monitoring device of transformer core earthing current
DL/T 1945-2018 Specification of standard interface for HVDC transformer
DL/T 1682-2016 Guide for safety in AC substation grounding

Professional Standard - Electron

SJ/Z 1762-1981 Typical calculations for 50Hz single-phase power tranformers and filter choke using C-cores
SJ 97-1965 Small lamination for transformers and chokes
SJ 1263-1977 XED/XCD-type C-cores for single-phase transformers
SJ/Z 2556-1984 Typical calculations for 50Hz single-phase power transformers using GE/GEB cores
SJ/Z 2165-1982 Typical calculations for single-phase power transformers and filter chokes using C-cores
SJ/Z 2603-1985 Drawings of associated parts for XCD-type C-cores for single-phase transformers and chokes
SJ 1761-1981 BCD-type C-cores for single-phase transformers
SJ 2488-1984 Measuring methods for acoustic noise of transformers, chokes and cores for use in electronic equipment
SJ 1760-1981 BOD-type C-cores for single-phase transformers

Professional Standard-Ships

CB/Z 212.1-1986 Typical Process of Low-frequency Ring Transformer and Choking Coil Iron Core Manufacturing

Group Standards of the People's Republic of China

T/HEBQIA 317-2024 Transformer neutral point grounding resistor
T/CSEE 0066-2017 Connecting Transformer for Flexible DC Transmission
T/GEIA 13-2020 Dry-type scott transformers for electric railway

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 32288-2020e Electrical steel core for power transformers
GB/T 9629-1988 Inductor and transformer cores for telecommunications--Part 4: Blank detail specification: Magnetic oxide cores for transformers and chokes for power applications--Assessment level A
GB/T 32288-2015 Electrical steel core for power transformers
GB/T 18494.1-2001 Convertor transformers - Part 1: transformers for industrial applications
GB/T 18494.1-2014 Converter transformers―Part 1:Transformers for industrial applications
GB/T 18494.2-2007 Convertor transformers—Part 2:Transformers for HVDC applications
GB/T 3859.3-1993 Semiconductor convertors—Transformers and reactors
GB/T 9626-1988 Inductor and transformer cores for telecommunications--Part 3:Sectional specification: Magnetic oxide cores for broad-band transformers
GB/T 32288-2020(英文版) Electrical steel core for power transformers
GB/T 9628-1988 Inductor and transformer cores for telecommunications.Part 4:sectional specification.Magnetic oxide cores for transformers and chokes for power applications

Professional Standard - Machinery

JB/T 8636-1997 Power Convertor Transformers

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 18494.2-2022 Convertor transformers—Part 2: Transformers for HVDC applications

Professional Standard - Railway

TB/T 2885-1998 Oil-immersed Booster Transformer Special for Electric Railway
TB/T 1869.7-2023 Railway signaling transformers Part 7: BE series choke transformers
TB/T 3150-2007 High-voltage AC disconnectors and earthing switches for electrification railway
TB/T 2313-1992 Lightning Impulse Test for Transformer, Relay and Silicon Rectifier for Railway Signal

国家铁路局

TB/T 1869.7-2016 Transformers for railway signaling. Part 7: BE series impedance transformers
TB/T 3572-2022 Railway power transformer
TB/T 2887-2022 Transformers used in electrified railway substations

Professional Standard - Aerospace

QJ 2954-1997 Verification Regulation of DC Converter

工业和信息化部

SJ/T 99-2016 Core sheets and core stack thickness series for transformers and chokes

CN-QIYE

Q/GDW 1894-2013 Technical specifications for transformer core ground current on-line monitoring device
Q/GDW 1540.4-2013 Inspection specification for on-line monitoring device for substation equipment part 4: On-line monitoring device for transformer core ground current

German Institute for Standardization

DIN 41307-3:1981 Accessory parts for small transformers and chokes; attachment straps for cores typ E , U and 3 U
DIN 4000-70:1992 Tabular layouts of article characteristics for core laminations, cores and coil formers for small transformers and chokes
DIN EN ISO 22829:2008 Resistance welding - Transformer-rectifier for welding guns with integrated transformers - Transformer-rectifier units operating at 1000 Hz frequency (ISO 22829:2007); English version of DIN EN ISO 22829:2008-06
DIN EN 125200:1993 Sectional specification: magnetic oxide cores for linear transformers; german version EN 125200:1991
DIN 41307-4:1981 Accessory parts for small transformers and chockes; fixing brackets for cores type UI and 3UI
DIN IEC 60740-2:1995 Laminations for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Specification for the minimum permeabilities of laminations made of soft magnetic metallic materials (IEC 60740-2:1993)
DIN IEC 60852-5:1995 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 5: Transformers and inductors using the series Q of C-cores (IEC 60852-2:1994)
DIN EN 60044-8:2003 Instrument transformers - Part 8: Electronic current transformers (IEC 60044-8:2002); German version EN 60044-8:2002
DIN 41307-5:1981 Accessory parts for small transformers and chokes; brackets for cores type E, ED, EE, EF and EK; printed circuits, magnetic axis horizontal
DIN EN 61021-2:1997-10 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE 2 laminations (IEC 61021-2:1995); German version EN 61021-2:1997
DIN IEC 60852-5:1995-08 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 5: Transformers and inductors using the series Q of C-cores (IEC 60852-2:1994)
DIN EN 61021-2:1997 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE 2 laminations (IEC 61021-2:1995); German version EN 61021-2:1997
DIN EN 62317-5 E:2013-06 Ferrite cores - Dimensions - Part 5: EP-cores and associated parts for use in inductors and transformers

YU-JUS

JUS N.H1.043-1989 Patter transfarmers. Eartbiug connection
JUS N.R8.153-1982 Cores for inductors and transformers for telecommunications. ethods of expressing temperature dependence
JUS N.R8.150-1982 Cores for inductors and transformers for telecomunications. Measuring methods. General
JUS N.R8.151-1982 Cores for inductors and transformers for telecommunications. Apparartus for magnetic conditioning
JUS N.R8.160-1982 Cores for inductors and transformers for telecommunications. Common measuring methods. Disac- ommodation
JUS N.R8.172-1982 Cores for inductors and transformers for telecommunications. Specialized measuring methods. ontribution of the adjusting device to the ?ore instability
JUS N.R8.170-1982 Cores for inductors and transformers for telecommunications. Specialized measuring methods. Third armonic distortion
JUS N.R8.171-1982 Cores for inductors and transformers for telecommunications. Specialized measuring methods. Magnetic shock sensitivity
JUS N.R8.161-1982 Cores for inductors and transformers for telecommunications. Common measuring methods. Variation f permeabi!ity with temperature
JUS N.R8.162-1982 Cores for inductors and transformers for telecommunications. Common measuring methods. Range of nduc tance adjustment

TR-TSE

TS 3407-1979 MEASURING METHODS OF COKES FOR INDUCTORS AND TRANSFORMERS FOR TELECOMMUNICATIONS
TS 620-1978 CURRENT TRANSFORMERS

Standard Association of Australia （SAA）

AS 1028:1970 Power reactors and earthing transformers

British Standards Institution (BSI)

BS ISO 22829:2007 Resistance welding - Transformer-rectifier for welding guns with integrated transformers - Transformer-rectifier units operating at 1000 Hz frequency
BS EN 62317-5:2015 Ferrite cores. Dimensions. EP-cores and associated parts for use in inductors and transformers
BS 5336:1976 Specification - Cores made of ferromagnetic oxides for use in high flux density transformers
BS EN ISO 22829:2007 Resistance welding - Transformer-rectifier for welding guns with integrated transformers - Transformer- rectifier units operating at 1000 Hz frequency
BS EN 60044-8:2002 Instrument transformers - Electronic current transformers
BS EN IEC 60076-25:2023 Power transformers - Neutral grounding resistors
BS 5347:1976 Specification for silicon-iron strip-wound cores for use in transformers and inductors for telecommunications and electronic equipment
BS EN 61021-2:1997 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Electrical characteristics for cores using YEE 2 laminations
BS EN 61378-1:2011 Convertor transformers. Transformers for industrial applications
BS EN 61378-1:1999 Convertor transformers - Transformers for industrial applications
BS EN 61378-1:2012 Convertor transformers. Transformers for industrial applications
BS 6436:1984 Specification for ground mounted distribution transformers for cable box or unit substation connection
BS 2857:1976 Specification for nickel-iron transformer and choke laminations
BS EN 60044-1:1999 Instrument transformers - Current transformers
BS PD IEC/TR 61869-102:2014 Instrument transformers. Ferroresonance oscillations in substations with inductive voltage transformers

Korean Agency for Technology and Standards (KATS)

KS C ISO 22829:2007 Resistance welding-Transformer-rectifier for welding guns with integrated transformers-Transformer-rectifier units operating at 1 000 Hz frequency
KS C 2120-2002 MEASURING METHODS FOR FERRITE CORES FOR INDUCTORS AND TRANSFORMERS
KS C 2120-1982 MEASURING METHODS FOR FERRITE CORES FOR INDUCTORS AND TRANSFORMERS
KS C 6317-1972(2011) Dimensions for U cores made of ferromagnetic oxides
KS C IEC 61378-2-2002(2017) Convertor transformers－Part 2：Transformers for HVDC applications
KS C IEC 60044-1:2003 Instrument transformers－Part 1：Current transformers
KS C IEC 62317-5:2019 Ferrite cores — Dimensions — Part 5: EP-cores and associated parts for use in inductors and transformers
KS C IEC 60076-57-129:2021 Power transformers —Part 57-129: Transformers for HVDC applications
KS C ISO 22829-2007(2017) Resistance welding－Transformer-rectifier for welding guns with integrated transformers－Transformer-rectifier units operating at 1 000 Hz frequency
KS C ISO 22829-2007(2022) Resistance welding－Transformer-rectifier for welding guns with integrated transformers－Transformer-rectifier units operating at 1 000 Hz frequency

International Organization for Standardization (ISO)

ISO 22829:2007 Resistance welding - Transformer-rectifier for welding guns with integrated transformers - Transformer-rectifier units operating at 1000 Hz frequency

IECQ - IEC: Quality Assessment System for Electronic Components

QC 250301/ IN 0006-1993 Inductor and Transformers Cores for Telecommunication; Magnetic Oxide Cores for Transformers. Type: UU 3569
QC 250300-1987 Inductor and Transformer Cores for Telecommunications Part 4: Sectional Specification: Magnetic Oxide Cores for Transformers and Chokes for Power Applications (IEC 723-4 ED 1)
QC 250301/ IN 0009-1993 Inductor and Transformers Cores for Telecommunication; Magnetic Oxide Cores for Transformers for Power Applications. Type: EI 4012
QC 250301/ IN 0004-1993 Inductor and Transformers Cores for Telecommunication; Magnetic Oxide Cores for Transformers for Power Applications. Type: EE 3007
QC 250301/ IN 0005-1993 Inductor and Transformers Cores for Telecommunication; Magnetic Oxide Cores for Transformers for Power Applications. Type: EE 3213
QC 250301/ IN 0003-1990 Inductor and Transformers Cores for Telecommunication; Magnetic Oxide Cores for Transformers for Power Applications Type: EE 4215
QC 250301/ IN 0002-1990 Inductor and Transformers Cores for Telecommunication; Magnetic Oxide Cores for Flyback Transformers Type: UU 5756
QC 250301/ IN 0001-1990 Inductor and Transformers Cores for Telecommunication; Magnetic Oxide Cores for Flyback Transformers. Type: UU 5255
QC 250301-1987 Inductor and Transformer Cores for Telecommunications Part 4: Blank Detail Specification: Magnetic Oxide Cores for Transformers and Chokes for Power Applications; Assessment Level A (IEC 723-4-1 ED 1)
QC 250200-1985 Inductor and Transformer Cores for Telecommunications Part 3: Sectional Specification: Magnetic Oxide Cores for Broad-Band Transformers (IEC 723-3 ED 1)

Japanese Industrial Standards Committee (JISC)

JIS C 2517:1963 Dimensions for u cores made of ferromagnetic oxides
JIS E 5008:2017 Rolling stock -- Power converters
JIS C 2562:1981 Measuring methods for ferrite cores for inductors and transformers
JIS C 1216:1995 Alternating-current watt-hour meters (for connection through instrument transformer)

TH-TISI

TIS 1719-1998 Inductor and transformer cores for telecommunications.part 4: sectional.Specification: magnetic oxide cores for transformers and chokes for power applications
TIS 1720-1998 Inductor and transformer cores for telecommunications.part 4: blank detail specification: magnetic oxide cores for transformers and chokes for power applications.assessment level a
TIS 1717-1998 Inductor and transformer cores for telecommunications.part 3: sectional specification: magnetic oxide cores for broad.band transformers

IEC - International Electrotechnical Commission

IEC 60723-4:1987 Inductor and Transformer Cores for Telecommunications Part 4: Sectional Specification: Magnetic Oxide Cores for Transformers and Chokes for Power Applications (IECQ QC 250300) (Edition 1.0)

ECIA - Electronic Components Industry Association

393-1971 Core Laminations@ Vertical and Horizontal Channel Frames for Transformers for Radio and TV Receivers

RU-GOST R

GOST R 58115-2018 Converter transformers for voltages from 6 to 110 kV for railway traction substations. General specifications
GOST R 51559-2000 Ggeneral-purpose oil-immersed power transformers of 110 and 220 kV and autotransformers 27,5 kV for electric a. c. railway. General specifications

European Committee for Standardization (CEN)

EN ISO 22829:2008 Resistance welding - Transformer-rectifier for welding guns with integrated transformers - Transformer-rectifier units operating at 1000 Hz frequency
EN ISO 22829:2017 Resistance welding equipment - Transformers - Integrated transformer-rectifier units for welding guns operating at 1 000 Hz

Electronic Components, Assemblies and Materials Association

ECA 393-1971 Core Laminations, Vertical and Horizontal Channel Frames for Transformers for Radio and TV Receivers

Association Francaise de Normalisation

NF C93-323:1982 COMPONENTS FOR ELECTRONIC EQUIPMENT. MAGNETIC CORES AND ACCESSORIES. POTS CORES MADE OF FERRO-MAGNETIC OXIDES FOR TRANSFORMERS. GENERAL REQUIREMENTS.
NF C93-304-1*NF EN 60740-1:2006 Laminations for transformers and inductors - Part 1 : mechanical and electrical characteristics.
NF A82-114:2008 Resistance welding - Transformer-rectifier for welding guns with integrated transformers - Transformer-rectifier units operating at 1 000 Hz frequency.
NF C93-357-5:2016 Ferrite cores - Dimensions - Part 5 : EP-cores and associated parts for use in inductors and transformers
NF EN 61021-2:1998 Cores made from cut sheets for transformers and inductors intended for electronic and telecommunications equipment - Part 2: electrical characteristics for cores using YEE 2 sheets
NF EN IEC 60076-25:2023 Power transformers - Part 25: neutral earthing resistors
NF EN ISO 22829:2017 Resistance welding equipment - Transformers - Transformers-rectifiers for welding guns with incorporated transformer powered at a frequency of 1000 Hz
NF C42-544-1/A2:2003 Instrument transformers - Part 1 : current transformers.
NF C42-544-1/A1:2001 Instrument transformers - Part 1 : current transformers.
NF C83-310:1982 ELECTRONIC COMPONENTS. HARMONIZED SYSTEM OF QUALITY ASSESSMENT FOR ELECTRONIC COMPONENTS. INDUCTOR AND TRANSFORMER CORES FOR TELECOMMUNICATIONS. GENERIC SPECIFICATION. (SPECIFICATION CECC 25 000).
NF EN 61021-1:1998 Cut sheet metal cores for transformers and inductors intended for electronic and telecommunications equipment - Part 1: dimensions

International Electrotechnical Commission (IEC)

IEC 60740/AMD1:1991 Laminations for transformers and inductors for use in telecommunication and electronic equipment; amendment 1
IEC 60740-1:2005 Laminations for transformers and inductors - Part 1: Mechanical and electrical characteristics
IEC 61021-2:1995 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE 2 laminations
IEC 60411-4:1986 Power convertors for electric traction. Part 4 : Direct d.c. convertors (d.c. chopper convertors) for rollingstock
IEC 60076-25:2023 Power transformers - Part 25: Neutral grounding resistors
IEC 60852-1:1986 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment. Part 1 : Transformers and inductors using YEI-1 laminations
IEC 60852-3:1992 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment; part 3: transformers and inductors using YUI-1 laminations
IEC 60852-5:1994 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 5: Transformers and inductors using the series Q of C-cores
IEC 60852-4:1996 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 4: Transformers and inductors using YUI-2 laminations
IEC 61378-1:1997 Convertor transformers - Part 1: Transformers for industrial applications
IEC 62317-5:2015 Ferrite cores - Dimensions - Part 5: EP-cores and associated parts for use in inductors and transformers
IEC 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
IEC 60740-2:1993 Laminations for transformers and inductors for use in telecommunication and electronic equipment; part 2: specification for the minimum permeabilities of laminations made of soft magnetic metallic materials
IEC/IEEE 60076-57-129:2017 Power transformers - Part 57-129: Transformers for HVDC applications
IEC 61021-1:1990 Laminated core packages for transformers and inductors used in telecommunication and electronic equipment; part 1: dimensions
IEC 60723-4-1:1987 Inductor and transformer cores for telecommunications. Part 4 : Sectional specification: magnetic oxide cores for transformers and chokes for power applications. Assessment level A

Indonesia Standards

SNI 04-1920-1990 Current transformers

CZ-CSN

CSN 35 1301-1997 Current transformers
CSN IEC 723-4:1994 Inductor and transformer cores for telecommunications.Part 4:Sectional specification:Magnetic oxide cores for transformers and chokes for power applications
CSN 35 1362-1958 Short circuit of current transformer

RO-ASRO

SR CEI 185-1990 Current transformers

IN-BIS

IS 3151-1982 Grounding Transformer Specifications
IS 13674 Pt.3-1993 Dimensions of ferrite components for CTV. Part 3: Cores for smps transformer
IS 13901 Pt.2-1993 Dimensions of ferrite components for CTV. Part 2: Cores for line output transformers
IS 7687-1980 Methods of measurement for inductor and transformer cores used in telecommunications

Institute of Electrical and Electronics Engineers (IEEE)

IEEE Std C57.12.40-2006 Secondary network transformers, subway and vault types (Liquid immersed)
IEEE PC57.32.10/D6.2, September 2024 IEEE Draft Guide for the Selection of Neutral-Grounding Devices for High Voltage Direct Current (HVDC) Converter Transformers
IEEE PC57.32.10/D6.3, October 2024 IEEE Draft Guide for the Selection of Neutral-Grounding Devices for High Voltage Direct Current (HVDC) Converter Transformers
IEEE PC57.32.10/D6.1, April 2024 IEEE Draft Guide for the Selection of Neutral-Grounding Devices for High Voltage Direct Current (HVDC) Converter Transformers
IEEE 80-1986 Guide for safety in ac substation grounding
IEEE 80-2000 Guide for Safety in AC Substation Grounding
IEEE 80-2013 Guide for Safety in AC Substation Grounding
IEEE 80/COR-2007 Guide for safety in AC substation grounding

SCC

BS 2857:1957 Nickel-iron transformer and choke laminations
DANSK DS/EN 61021-1:1997 Laminated core packages for transformers and inductors used in telecommunication and electronic equipment - Part 1: Dimensions
DANSK DS/EN 60044-1:2000 Instrument transformers - Part 1: Current transformers
DANSK DS/EN 62317-5:2016 Ferrite cores – Dimensions – Part 5: EP-cores and associated parts for use in inductors and transformers
CEI EN 61021-2:1998 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment Part 2: Electrical characteristics for cores using YEE 2 laminations
CEI EN 62317-5:2016 Ferrite cores - Dimensions Part 5: EP-cores and associated parts for use in inductors and transformers
DANSK DS/EN IEC 60076-25:2023 Power transformers – Part 25: Neutral grounding resistors
CEI EN IEC 60076-25:2023 Power transformers Part 25: Neutral grounding resistors
CEI EN 61021-1:1998 Laminated core packages for transformers and inductors used in telecommunication and electronic equipment Part 1: Dimensions
13/30280403 DC BS EN 62317-5. Ferrite cores. Dimensions. Part 5. EP-cores and associated parts for use in inductors and transformers
05/30142363 DC IEC 60044-1. Instrument transformers. Part 1. Current transformers
IEC 60218:1966 Guide for the drafting of performance specifications for cores of tuned transformers and inductors of ferromagnetic oxides for telecommunication
BS 5938-1:1980 Cores for inductors and transformers for telecommunicationsMethods of measurement
MIL MIL-W-80191B-1987 WELDING MACHINE, ARC, DC, TRANSFORMER-RECTIFIER, CONSTANT VOLTAGE, CONSTANT CURRENT (SUPERSEDING MIL-W-80191A) (NO S/S DOCUMENT)

Spanish Association for Standardization (UNE)

UNE-EN 60044-1:2000 Instrument transformers. Part 1: Current transformers.
UNE-EN IEC 60076-25:2023 Power transformers - Part 25: Neutral grounding resistors
UNE 20580-1/1C:1986 CORES FOR INDUCTORS AND TRANSFORMERS FOR TELECOMUNICATIONS. MEASURING METHODS
UNE 20580-1:1985 CORES FOR INDUCTORS AND TRANSFORMERS FOR TELECOMMUNICATIONS. MEASURING METHODS

AR-IRAM

IRAM 2104-1950 Transformers for current conduction and shunting and regulating transformers
IRAM OFICIAL 2106-1958 Transformers for current conduction and shunting and regulating transformers

US-FCR

FCR FED H-08-4 VOL 4-E-T-2-1988 TRANSFORMER AND PANEL GROUNDING

GSO

GSO IEC 61021-2:2015 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE2 laminations
BH GSO IEC 61021-2:2016 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE2 laminations
OS GSO IEC 61021-2:2015 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE2 laminations
GSO IEC 60852-5:2014 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 5: Transformers and inductors using the series Q of C-cores
BH GSO IEC 60852-5:2016 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 5: Transformers and inductors using the series Q of C-cores
OS GSO IEC 60852-5:2014 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment - Part 5: Transformers and inductors using the series Q of C-cores
GSO IEC 61797-1:2014 Transformers and inductors for use in telecommunication and electronic equipment - Main dimensions of coil formers - Part 1: Coil formers for laminated cores
BH GSO IEC 61021-1:2016 Laminated core packages for transformers and inductors used in telecommunication and electronic equipment - Part 1: Dimensions
GSO IEC 61021-1:2015 Laminated core packages for transformers and inductors used in telecommunication and electronic equipment - Part 1: Dimensions
OS GSO IEC 61021-1:2015 Laminated core packages for transformers and inductors used in telecommunication and electronic equipment - Part 1: Dimensions

(U.S.) Ford Automotive Standards

FORD WTX-1994 GROUNDING WELDING TRANSFORMERS - REACTIR METHOD

European Committee for Electrotechnical Standardization（CENELEC）

EN 62317-5:2015 Ferrite cores - Dimensions - Part 5: EP-cores and associated parts for use in inductors and transformers
EN 61021-2:1997 Laminated Core Packages for Transformers and Inductors for Use in Telecommunication and Electronic Equipment Part 2: Electrical Characteristics for Cores Using YEE 2 Laminations
EN IEC 60076-25:2023 Power transformers - Part 25: Neutral grounding resistors
EN 60740-1:2005 Laminations for transformers and inductors Part 1: Mechanical and electrical characteristics
EN 61021-1:1997 Laminated Core Packages for Transformers and Inductors Used in Telecommunication and Electronic Equipment Part 1: Dimensions

CH-SNV

SNV 27510.2-1951 DC Arc Welding Generators and Transformers Rules

American Society for Testing and Materials (ASTM)

ASTM A1009-18 Standard Specification for Soft Magnetic MnZn Ferrite Core Materials for Transformer and Inductor Applications
ASTM A100-93(2000) Standard Specification for Ferrosilicon

American National Standards Institute （ANSI)

ANSI/ASTM A1009:2000 Specification for Soft Magnetic MnZn Ferrite Core Materials for High Frequency (10KHz to 1MHz) Power Transformer and Filter Inductor Applications

Danish Standards Foundation

DS/EN 61021-2:1998 Laminated core packages for transformers and inductors for use in telecommunication and electronic equipment - Part 2: Electrical characteristics for cores using YEE 2 laminations
DS/IEC 723-3-1:1987 Inductor and transformer cores for telecommunications. Part 3: Blank detail specification: Magnetic oxide cores for broad-band transformers. Assessment levele A and B
DS/IEC 723-3:1987 Inductor and transformer cores for telecommunications - Part 3: Sectional specification: Magnetic oxide cores for broad-band transformers

KR-KS

KS C IEC 62317-5-2019 Ferrite cores — Dimensions — Part 5: EP-cores and associated parts for use in inductors and transformers
KS C IEC 60076-57-129-2021 Power transformers —Part 57-129: Transformers for HVDC applications

South African Bureau of Standard

SANS 61378-1:1997 Convertor transformers Part 1: Transformers for industrial applications
SANS 60044-8:2004 Instrument transformers Part 8: Electronic current transformers

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

IEEE 80 ERTA-2007 Guide for Safety in AC Substation Grounding
IEEE 80 INT 1-2001 Guide for Safety in AC Substation Grounding
IEEE 80-1961 Guide for SAFETY IN ALTERNATING-CURRENT SUBSTATION GROUNDING
IEEE 80 INT 1-2002 Guide for Safety in AC Substation Grounding

Defense Logistics Agency

DLA A-A-55562 A VALID NOTICE 2-2011 Resistor, Voltage Sensitive (Varistor, Metal Oxide), Chip

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