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व ‍यापक‍परिचालन‍म‍मसौद‍

रलख‍रषण‍सञापन

ी‍ मिम ‍:‍ ट ड ‍16

----------------------------------------------------------------------------------------------------------------------------------

र :

1. ट ड 16 य

2. मिय ी मि ा रि य ा

3. मि ि िाल य म ाय

ि य, या म ि मल म ि ी ए रम ल :

रल . ष ट ड 16 ( 10665 ) ािि‍ा ािषि‍–‍ ा 4 ला टट ि ‍एि मविचि ि ि ष म ा - ािि‍ा ािषि एि

रिएटि

ईटीडी 16 ( 10666 ) ािि‍ा ािषि‍–‍ ा 10-1 ा ड लिल ञा ि ा - रय म ा

ट ड 16 ( 10667) ािि‍ा ािषि‍–‍ ा 12 : रा -टा ािि‍ा ािषि‍ ल चड ा ड‍

ट ड 16 ( 10669) ािि‍ा ािषि‍–‍ ा 14 : च िा िाि ािर रय रमि – म िमि ािि‍ा ािषि

ट ड 16 ( 10681) ािि‍ा ािषि‍–‍ ा 15 : – िा ािि‍ा ािषि‍ ट ड 16 ( 10682 ) ािि‍ा ािषि‍–‍ ा 16 : चिड टि ा रय ा ािषि

ट ड 16 ( 10683) ािि‍ा ािषि‍–‍ ा 18 : ि ी रिया ा िा

ट ड 16 ( 10691 ) ािि‍ा ािषि‍–‍ ा 19 : ािि‍ा ािषि‍एि रिएटि ा िा ि म मि ा ञा ि ी म यिािल

ट ड 16 ( 10692 ) ािि‍ा ािषि‍ –‍ ा 21 : वट – ि ट ा ि लटि िा षाए, ारि ाम ािल एि ि ष म ा

या ि ा िल ि ि ि िम य य ा ए र : यर य िा ि र ाम ाए ि िल ि ि ि यि ाय िा ाि ाि ि या रि ा य ।

सम मतिय भजन की अतिम िारीख: 23‍ ट ि‍‍2016.

ि िम य यर या ल ि ि र ए र ि ाषि रिमलम ि ।यर ि िम रा िा ि िम ि िल ा ा ररट ि रल य ाि च ि र या ाए ा । यर

ि िम ी र म ी मि य मिम यष िाि ष िा ी ि ा ि ी ायषिा मलए मि य मिम ा ा रल च ि र या ाए ा

यिा ,

ि य,

( . ि . िय)

िञाम ‘ ’ एि रि (मिय ी) ल : रिमलम

‍‍ ‍सदभ ददनाक

ईटीडी 16/ टी‍ -44-

52

23 म ि 2016


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DRAFTS IN WIDE

CIRCULATION

DOCUMENT DESPATCH ADVICE

Reference Date

ETD 16 T- 44-52 ‍23 September 2016

TECHNICAL COMMITTEE ETD 16‍ ----------------------------------------------------------------------------------------------------------------

ADDRESSED TO:

1. All Members of Transformers Sectional Committee, ETD 16

2. All Members of Electrotechnical Division Council; and

3. All other Interested.

Dear Sir(s),

Please find enclosed a copy of the following draft Indian Standard:

Kindly examine the draft standards and forward your views stating any difficulties which you are

likely to experience in your business or profession, if these are finally adopted as Indian Standards.

Comments, if any, may please be made in the format given overleaf and mailed to the undersigned.

Last date for comments: 23 October 2016.

In case no comments or only editorial comments are received, it will be presumed that there

are no technical comments and the document may be finalized in consultation with the chairman of

the sectional committee.

Sl.

No.

Doc no. Title

1. ETD 16 ( 10665 ) Power transformers – Part 4:

Guide to the lightning impulse and switching impulse testing –

Power transformers and reactors

2. ETD 16 ( 10666 ) Power transformers –

Part 10-1: Determination of sound levels – Application guide

3. ETD 16 (10667 ) Power transformers –

Part 12: Loading guide for dry-type power transformers


Part 14: Liquid-immersed power transformers using high-temperature

insulation materials


Part 15: Gas-filled power transformers

6. ETD 16 ( 10682) Power transformers –

Part 16: Transformers for wind turbine applications


Part 18: Measurement of frequency response


Part 19: Rules for the determination of uncertainties in the measurement of

the losses on power transformers and reactors


Part 21: Standard requirements, terminology, and test code for step-voltage

regulators


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However, in case comments of technical nature are received, the chairman of the sectional

committee will be consulted. Based on the decision of the chairman, the documents may either be

finalized or referred to the sectional committee for further action.

It may kindly be noted that the technical contents of the documents has not been enclosed as these are

identical with the corresponding IEC standards. For details, please refer to the corresponding IEC

publication as mentioned in the respective National Forewords or kindly contact the undersigned.

Thanking you,

Yours faithfully

(P.V. Mathew)

Sc ‘E’ & Head (Electrotechnical) Email: [email protected]

Encl : See attachment.


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Date Document No. 23 September

2016 Doc: ETD 16 ( 10665,10666,10667,

10669, 10681, 10682, 10683, 10691, 10692)

Sl.

No. Name of the

Organization Clause/

Sub-

clause

Paragraph/ Figure/Table

Type of

Comment

(General/ Technical/ Editorial

Comments Proposed

Change

Doc: ETD 16 (10665)

BUREAU OF INDIAN STANDARDS

DRAFT FOR COMMENTS ONLY

(Not to be reproduced without the permission of BIS or used as a STANDARD)

Draft Indian Standard

POWER TRANSFORMERS –

PART 4: GUIDE TO THE LIGHTNING IMPULSE AND SWITCHING IMPULSE

TESTING - POWER TRANSFORMERS AND REACTORS

ावर ास ामर – भाग 4 ला टनग वग एव ववनग वग रीष क सा - ावर ास ामर एव ररएटर

Last date of receipt of comments: 23 October 2016

______________________________________________________________

Transformers Sectional Committee, ETD 16

NATIONAL FOREWORD

This Indian Standard (Part 4) which is identical with IEC 60076-4 : 2002 ‘Power transformers -

Part 4: Guide to the lightning impulse and switching impulse testing - Power transformers and

reactors’ issued by the International Electrotechnical Commission (IEC) is proposed to be

adopted by the Bureau of Indian Standards on the recommendation of the Transformers Sectional

Committee, and approval of the Electrotechnical Division Council.

The text of IEC Standard has been approved as suitable for publication as an Indian Standard

without deviations. Certain terminology and conventions are however not identical to those used

in Indian Standards. Attention is particularly drawn to the following:

a) Wherever the words ‘International Standard’ appear referring to this standard, they should be read as ‘Indian Standard’.

b) Comma (,) has been used as a decimal marker while in Indian Standards, the current

practice is to use a point (.) as the decimal marker.

In this adopted standard, reference appears to certain International Standards for which Indian

Standards also exist. The corresponding Indian Standards, which are to be substituted in their

places, are listed below along with their degree of equivalence for the editions indicated:

International Standard Corresponding Indian Standard Degree of

Equivalence

IEC 60060-1 High-voltage test

techniques – Part 1: General

definitions and test requirements

IS 2071(Part 1):2014 High-voltage test

techniques - Part 1: General definitions

and test requirements (Third Revision)

Identical with

IEC 60060-1:

2010

IEC 60060-2 High-voltage test

techniques – Part 2: Measuring

systems

IS 60060(Part 2):2010 High voltage

test techniques - Part 2 Measuring

systems (IEC 60060-2:2010)

Identical with

IEC 60060-2

:2010

IEC 60076-3 Power transformers

– Part 3: Insulation levels,

dielectric tests and external

clearances in air

IS 2026(Part 3):2009 Power

Transformers - Part 3 Insulation levels,

dielectric tests and external clearances

in air (third revision)

Identical with

IEC 60076-3

:2000

IEC 60289 Reactors IS 3151:1982 Earthing transformers

(first revision)

Technically

Equivalent with

IEC 60289 :1968

IEC 61083-1 Instruments and

software used for measurement in

high-voltage impulse tests –Part 1:

Requirements for instruments

IS 15638(Part 1):2006 Instruments and

software used for measurement in high

voltage impulse tests: Part 1

Requirements for instruments

(Superseeding IS 11349)

Identical with

IEC 61083-1 :

2001

IEC 61083-2 Digital recorders

for measurements in high-voltage

impulse tests – Part 2: Evaluation

of software used for the

determination of the parameters of

impulse waveforms

IS 15638(Part 2):2006 Instruments and

software used for measurements in high

voltage impulse tests: Part 2 Evaluation

of software used for the determination

of the parameters of impulse

waveforms (Superseeding IS 11349)

Identical with

IEC 61083-2

:1996

Only the English language text of the IEC Standard has been retained while adopting it as an

Indian Standard and as such the page numbers given here are not same as in IEC Standard.

For the purpose of deciding whether a particular requirement of this standard is complied with,

the final value, observed or calculated expressing the result of a test, shall be rounded off in

accordance with IS 2 : 1960 ‘Rules for rounding of numerical values (revised)’. The number of significant places retained in the rounded off value should be the same as that of the specified

value in this standard.

Doc: ETD 16 (10666)





POWER TRANSFORMERS –

PART 10-1: DETERMINATION OF SOUND LEVELS – APPLICATION GUIDE

ाव ास ाम – भाग 10-1 साउड लवल ञात क ना - अनर ोग ससात


______________________________________________________________


NATIONAL FOREWORD

This Indian Standard (Part 10/Sec 1) which is identical with IEC 60076-10-1 : 2016 ‘Power

transformers –Part 10-1: Determination of sound levels – Application guide’ issued by the International Electrotechnical Commission (IEC) is proposed to be adopted by the Bureau of

Indian Standards on the recommendation of the Transformers Sectional Committee, and approval

of the Electrotechnical Division Council.











Equivalence

IEC 60076-10:2016, Power

transformers – Part 10:

Determination of sound levels

IS 2026 (Part 10) : 2009 Power

Transformers - Part 10 Determination

of sound levels

Identical with

IEC 60076-10:

2001

Doc: ETD 16 (10667)





POWER TRANSFORMERS – PART 12: LOADING GUIDE FOR DRY-TYPE POWER TRANSFORMERS

ावर ा ामर – भाग 12 : राई-टाई ावर ा ामर त लोडग गाई


______________________________________________________________


NATIONAL FOREWORD

This Indian Standard (Part 12) which is identical with IEC 60076-12 : 2008 ‘Power transformers

–Part 12: Loading guide for dry-type power transformers’ issued by the International

Electrotechnical Commission (IEC) is proposed to be adopted by the Bureau of Indian Standards

on the recommendation of the Transformers Sectional Committee, and approval of the

Electrotechnical Division Council.







The technical committee has reviewed the provisions of the following International Standards

referred in this adopted standard and has decided that they are acceptable for use in conjunction

with this standard:

International Standard

Title

IEC 60076-11

Power transformers – Part 11: Dry-type transformers

IEC 60216-1

Electrical insulating materials – Properties of thermal endurance –

Part 1: Ageing procedures and evaluation of test results

IEC 61378-1:1997 Convertor transformers – Part 1: Transformers for industrial

applications







Doc: ETD 16 (10669)





POWER TRANSFORMERS – PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-

TEMPERATURE INSULATION MATERIALS

ाव ास ाम – भाग 14 : चत ा ा ो सारी क र ोग स रववत – व वित ाव ास ाम


______________________________________________________________


NATIONAL FOREWORD


– Part 14: Liquid-immersed power transformers using high-temperature insulation materials’ issued by the International Electrotechnical Commission (IEC) is proposed to be adopted by the

Bureau of Indian Standards on the recommendation of the Transformers Sectional Committee,

and approval of the Electrotechnical Division Council.











Equivalence

IEC 60076-1, Power transformers

– Part 1: General


transformers: Part 1 General (first

revision)

Technically

Equivalent with

IEC 60076-1:

2000


– Part 2: Temperature rise


Transformers - Part 2 Temperature rise

(first revision)

Technically

Equivalent with

IEC 60076-2

:1993


– Part 5: Ability to withstand

short- circuit


Transformers - Part 5 Ability to

withstand short circuit (first revision)

Technically

Equivalent with

IEC 60076-5

:2006


– Part 7: Loading guide for oil-

immersed power transformers


Transformers - Part 7 Loading guide

for oil immersed power transformers

Identical with

IEC 60076-7:

2005

IEC 60085, Electrical insulation –

Thermal evaluation and

designation

IS 1271:2012 Electrical Insulation -

Thermal Evaluation and designation

(Second Revision)

Identical with

IEC 60085: 2007

IEC 60137, Insulated bushings for

alternating voltages above 1 000 V

IS 2099:1986 Bushings for alternating

voltages above 1 000 Volts (second

revision)

Technically

Equivalent with

IEC 60137 :1984

IEC 60214-1, Tap-changers – Part

1: Performance requirements and

test methods

IS 8468:1977 On-load tap changers Technically

Equivalent with

IEC 60214: 1966

IEC 60296, Fluids for

electrotechnical applications –

Unused mineral insulating oils for

transformers and switchgear

IS 335:1993 New insulating oils (fourth

revision)

Technically

Equivalent with

IEC 60296 :1982

IEC 61099, Specifications for

unused synthetic organic esters for

electrical purposes

IS 16081:2013 Insulating liquids -

Specifications for unused synthetic

organic esters for electrical purposes

Identical with

IEC 61099: 2010



with this standard:


Title

IEC 60076-16, Power transformers – Part 16: Transformers for wind turbine

applications

IEC 60836 Specifications for unused silicone insulating liquids for electrotechnical

purposes

IEC 61378-1

Convertor transformers – Part 1: Transformers for industrial

applications

IEC 61378-2 Convertor transformers – Part 2: Transformers for HVDC applications







Doc: ETD 16 (10681)





POWER TRANSFORMERS – PART 15: GAS-FILLED POWER TRANSFORMERS

ावर ास ामर – भाग 15 : गस – भराई ावर ास ा मर


______________________________________________________________


NATIONAL FOREWORD


– Part 15: Gas-filled power transformers’ issued by the International Electrotechnical

Commission (IEC) is proposed to be adopted by the Bureau of Indian Standards on the

recommendation of the Transformers Sectional Committee, and approval of the Electrotechnical

Division Council.











Equivalence

IEC 60076-1:2011, Power

transformers – Part 1: General



revision)

Technically

Equivalent with

IEC 60076-1:

2000

IEC 60076-2:2011, Power

transformers – Part 2: Temperature

rise for liquid-immersed

transformers



(first revision)

Technically

Equivalent with

IEC 60076-2

:1993


– Part 3: Insulation levels,

dielectric tests and external

clearances in air


Transformers - Part 3 Insulation levels,



Identical with

IEC 60076-3

:2000


– Part 5: Ability to withstand short

circuit



withstand short

circuit (first revision)

Technically

Equivalent with

IEC 60076-5

:2006


– Part 10: Determination of sound

levels

IS 2026 (Part 10) : 2009 Power

Transformers - Part 10 Determination

of sound levels

Identical with

IEC 60076-10:

2001

IEC 60137, Insulated bushings for

alternating voltages above 1 000 V

IS 2099:1986 Bushings for alternating

voltages above 1 000 Volts (second

revision)

Technically

Equivalent with

IEC 60137 :1984

IEC 60376, Specification of

technical grade sulfur hexafluoride

(SF6) for use in electrical

equipment

IS 13072:2013 Specification of

technical grade Sulfur hexafluoride

(SF6) for use In electrical equipment

(First Revision)

Identical with

IEC 60376:2005

IEC 62271-1, High-voltage

switchgear and controlgear – Part

1: Common specifications

IS 62271(Part 1):2007 High-voltage

switchgear and controlgear: Part 1

Common Specification (IEC 62271-1

:2007) (Superseding IS 12729)

Identical with

IEC 62271-1

:2007



with this standard:


Title

IEC 60480 Guidelines for the checking and treatment of sulfur hexafluoride (SF6)

taken from electrical equipment and specification for its re-use

IEC 62271-4:2002 High-voltage switchgear and controlgear – Part 4: Handling procedures

for sulphur hexafluoride (SF6) and its mixtures





accordance with IS 2 : 1960 ‘Rules for rounding of numerical values (revised)’. The number of

significant places retained in the rounded off value should be the same as that of the specified


Doc: ETD 16 (10682)





POWER TRANSFORMERS – PART 16: TRANSFORMERS FOR WIND TURBINE APPLICATIONS

ाव ा ाम – ाग 16 : ववड ट ाईन अनर ोग त ा ाम


______________________________________________________________


NATIONAL FOREWORD


– Part 16: Transformers for wind turbine applications’ issued by the International

Electrotechnical Commission (IEC) is proposed to be adopted by the Bureau of Indian Standards

on the recommendation of the Transformers Sectional Committee, and approval of the

Electrotechnical Division Council.











Equivalence

IEC 60076-1:2011, Power


IS 2026 (Part 1):2011 Power


revision)

Technically

Equivalent with

IEC 60076-1

:2000

IEC 60076-2:2011, Power



Transformers



(first revision)

Technically

Equivalent with

IEC 60076-2

:1993

IEC 60076-3:2000, Power

transformers – Part 3: Insulation

levels, dielectric tests and external

clearances in air


Transformers - Part 3 Insulaiton levels,



Identical with

IEC 60076-3

:2000

IEC 60076-5:2006, Power

transformers – Part 5: Ability to

withstand short circuit



withstand short circuit (first revision)

Technically

Equivalent with

IEC 60076-5

:2006

IEC 60076-7:2005, Power

transformers – Part 7: Loading

guide for oil-immersed power

Transformers


Transformers - Part 7 Loading guide

for oil immersed power transformers

Identical with

IEC 60076-7

:2005

IEC 60076-8:1997, Power

transformers – Application guide


Transformers - Part 8 Application

guide

Identical with

IEC 60076-8

:1997



with this standard:


Title

IEC 60076-11:2004,

Power transformers – Part 11: Dry-type transformers

IEC 60076-12:2008, Power transformers – Part 12: Loading guide for dry-type power

Transformers

IEC 60076-13:2006

Power transformers – Part 13: Self-protected liquid-filled transformers

IEC 61100

Classification of insulating liquids according to fire-point and net

calorific value

IEC 61378-1:2011

Converter transformers – Part 1: Transformers for industrial

applications

IEC 61378-3:2006

Converter transformers – Part 3: Application guide

IEC 61400-1:2005

Wind turbines – Part 1: Design requirements

ISO 12944 (all parts)

Paints and varnishes – Corrosion protection of steel structures by

protective paint systems







Doc: ETD 16 (10683)





POWER TRANSFORMERS – PART 18: MEASUREMENT OF FREQUENCY RESPONSE

ाव ास ाम – भाग 18 : वती नरि ा का ा न


______________________________________________________________


NATIONAL FOREWORD


– Part 18: Measurement of frequency response’ issued by the International Electrotechnical Commission (IEC) is proposed to be adopted by the Bureau of Indian Standards on the

recommendation of the Transformers Sectional Committee, and approval of the Electrotechnical

Division Council.













Doc: ETD 16 (10691)





POWER TRANSFORMERS – PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE

MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS

ाव ास ाम – ाग 19 : ाव ास ाम एव र एट स कसा क ा अन नितता ञात क की न ावल


______________________________________________________________


NATIONAL FOREWORD


– Part 19: Rules for the determination of uncertainties in the measurement of the losses on power

transformers and reactors’ issued by the International Electrotechnical Commission (IEC) is

proposed to be adopted by the Bureau of Indian Standards on the recommendation of the

Transformers Sectional Committee, and approval of the Electrotechnical Division Council.











Equivalence

IEC 60076-1:2011 Power




revision)

Technically

Equivalent with

IEC 60076-1

:2000

IEC 60076-2:2011, Power



transformers



(first revision)

Technically

Equivalent with

IEC 60076-2

:1993







Doc: ETD 16 (10692)





POWER TRANSFORMERS – PART 21: STANDARD REQUIREMENTS, TERMINOLOGY, AND TEST CODE

FOR STEP-VOLTAGE REGULATORS

ा र ा ामर – भाग 21 : ट – ोट ा रगलटर ानक अ षाए, ाररभाषिक दा ल

ए र ष ष ा


______________________________________________________________


NATIONAL FOREWORD


– Part 21: Standard requirements, terminology, and test code for step-voltage regulators’ issued by the International Electrotechnical Commission (IEC) is proposed to be adopted by the Bureau

of Indian Standards on the recommendation of the Transformers Sectional Committee, and

approval of the Electrotechnical Division Council.











Equivalence

IEC 60214-1, Tap-changers—Part

1: Performance requirements and

test methods

IS 8468:1977 On-load tap changers Identical with

IEC 60214: 1966

IEC 60255-5, Electrical Relays—Part 5: Insulation coordination for

measuring relays and protection

equipment—Requirements and

tests.

Doc ETD 35 (6530) Electrical relays –

Part 5: Insulation coordination for


equipment – requirements and tests

(under print)

Identical with

IEC 60255-5

:2000

IEC 60255-21-1, Electrical

Relays—Part 21: Vibration, shock,

bump and seismic tests on


equipment—Section one:

Vibration tests (sinusoidal).

Doc ETD 35 (6536) Electrical relays

Part 21: Vibration, shock, bump and

seismic test on measuring relays and

protection equipment section one —

vibration tests (sinusoidal) (under

print)

Identical with

IEC 60255-21-1:

1988

IEC 60255-22-1, Measuring relays

and protection equipment—Part

22-1: Electrical disturbance tests—

1 MHz burst immunity tests.

Doc ETD 35 (6539) Measuring relays

and protection equipment – Part 22- 1:

Electrical disturbance tests – 1 mhz

burst immunity tests (under print)

Identical with

IEC 60255-22-1

:2007




Electrostatic discharge tests.



Electrical disturbance tests –

electrostatic discharge tests (under

print)

Identical with

IEC 60255-22-2

:2008




Radiated electromagnetic field

immunity



Electrical disturbance tests – radiated

electromagnetic field immunity (under

print)

Identical with

IEC 60255-22-3

:2007




Electrical fast transient/burst

immunity test.



Electrical disturbance tests – electrical

fast transient/burst immunity test

(under print)

Identical with

IEC 60255-22-4

:2008



22-5: Electrical disturbance tests

for measuring relays and

protection equipment—Surge

immunity test.



Electrical disturbance tests – surge

immunity test (under print)

Identical with

IEC 60255-22-5:

2008

IEC 60255-22-6, Electrical

relays—Part 22-6: Electrical

disturbance tests for measuring

relays and protection equipment—Immunity to conducted

disturbances induced by radio

Doc ETD 35 (6544) Electrical relays –

Part 22-6: Electrical disturbance tests

for measuring relays and protection

equipment – Immunity to conducted

disturbances induced by radio

frequency fields (under print)

Identical with

IEC 60255-22-6

:2001

frequency fields.



with this standard:


Title

IEC 60068-2-1 Environmental testing—Part 2-1: Tests—Test A: Cold

IEC 60068-2-2, Environmental testing—Part 2-2: Tests—Test B: Dry heat.

IEC 60068-2-30 Environmental testing—Part 2-30: Tests—Test Db: Damp heat,

cyclic (12 h + 12 h cycle).

IEEE Std 4™ IEEE Standard Techniques for High-Voltage Testing.

IEEE Std C37.90.1™ IEEE Standard Surge Withstand Capability (SWC) Tests for Relays

and Relay Systems Associated with Electric Power Apparatus

IEEE Std C37.90.2™ IEEE Standard for Withstand Capability of Relay Systems to

Radiated Electromagnetic Interference from Transceivers.

IEEE Std C37.90.3™ IEEE Standard Electrostatic Discharge Tests for Protective Relays.

IEEE Std C57.12.31™ IEEE Standard for Pole-Mounted Equipment—Enclosure Integrity

IEEE Std C57.91™ IEEE Guide for Loading Mineral-Oil-Immersed Transformers

IEEE Std C57.98™ IEEE Guide for Transformer Impulse Tests.

IEEE Std C57.131™ IEEE Standard Requirements for Load Tap Changers





accordance with IS 2 : 1960 ‘Rules for rounding of numerical values (revised)’. The number of

significant places retained in the rounded off value should be the same as that of the specified


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