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Basic Details/ मूल ब्यौरा

IS Number/आईएस संख्या : IS 1180 (Part 3):2021

IS Title/आईएस शीर्षक : Outdoor/Indoor Type Liquid Immersed Distribution Transformers Up to and Including 2 500 kVA, 33 kV — Specification Part 3 Natural/Synthetic Organic Ester Liquid Immersed

Superseding IS/सुपरसीडिंग आईएस : None

Degree of Equivalence/समतुल्यता स्तर : Indigenous

Number of Revisions/पुनरीक्षणों की संख्या : New Standard

Number of Amendments/संशोधनों की संख्या : No amendment issued

Aspect/पक्ष : Product Specification

Language/भाषा : English

Reaffirmation Year/पुनर्पुष्टि वर्ष :

Technical Department/तकनीकी विभाग : ETD (Electrotechnical Department)

Technical Committee/तकनीकी समिति : ETD 16 (Transformers Sectional Committee)

Member Secretary/सदस्य सचिव : ABINASH BORDOLOI (SCIENTIST-D)

Summary/सारांश

Other Details

Indian Standard

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Amendment : 0

Gazette Document : 1

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License : 7

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Product Manual & SIT : 1

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Laboratory : 14

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Classification Details

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Cross Reference Details

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Composition

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Corrigendum : 0

Cross Reference Details

Indian Standards Referred In IS IS 1180 (Part 3):2021
:

1	IS 16081:2013 IEC 61099 : 2010	Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes	ETD 3
2	IS 16099:2013 IEC 61203 : 1992	Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment	ETD 3
3	IS 11149:2024	Specification for rubber gaskets	MED 30
4	IS 12444:1988	Copper Wire Rods for Electrical Applications — Specification ( First Revision )	MTD 8
5	IS 13503:2013 IEC 61039 : 2008	Classification of insulating liquids (First Revision)	ETD 3
6	IS 13730 (Part 0/Sec 2):2024 IEC 60317-0-2:2020	Specifications for particular types of winding wires: Part 0 general requirements: Sec 2 enamelled rectangular copper wire (Second Revision)	ETD 33
7	IS 13730 (Part 0/Sec 3):2012	Specifications for particular types of winding wires: Part 0 general requirements: Sec 3 enamelled round aluminium wire (First Revision)	ETD 33
8	IS 13730 (Part 17):2024 IEC 60317-17:2020	Specifications for particular types of winding wires: Part 17 polyvinyl acetal enamelled rectangular copper wire, class 105 (First Revision)	ETD 33
9	IS 13730 (Part 27):2018 IEC 60317-27 : 2013	Specifications for Particular Types of Winding Wires Part 27 Paper Tape Covered Rectangular Copper Wire ( First Revision )	ETD 33
10	IS 1576:1992	Solid pressboard for electrical purposes - Specification (First Revision)	ETD 2
11	IS 1608:2005 IS 1608:2005 / ISO 6892:1998	Mechanical testing of metals - Tensile Testing	MTD 3
12	IS 1747:2023	Specification for nitrogen (First Revision)	CHD 6
13	IS 1885 (Part 38):1993 IEC Pub 50 ( 421 ) : 1990	Electrotechnical vocabulary: Part 38 power transformers and reactors (Second Revision)	ETD 1
14	IS 1897:2008	Copper strip for electrical purposes - Specification (Third Revision)	MTD 8
15	IS 191:2007	Copper - Specification (Fourth Revision)	MTD 8
16	IS 2026 (Part 1):2011	Power transformers: Part 1 general (Second Revision)	ETD 16
17	IS 2026 (Part 2):2010	Power transformers: Part 2 temperature - Rise (First Revision)	ETD 16
18	IS 2026 (Part 3):2018 IEC 60076-3 : 2000	Power transformers: Part 3 insulation levels, dielectric tests and external clearances in air (Fourth Revision)	ETD 16
19	IS 2026 (Part 5):2011	Power transformers: Part 5 ability to with stand short circuit (First Revision)	ETD 16
20	IS 2099:1986	Bushings for alternating voltages above 1 000 Volts	ETD 6
21	IS 3024:2015	Cold Rolled Grain Oriented Electrical Steel Strip and Sheet Delivered in Fully Processed State (Third Revision)	MTD 4
22	IS 3347 (Part 1/Sec 1):1979	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 1 up to and including 1 kV: Sec 1 Porcelain Parts (First Revision)	ETD 6
23	IS 3347 (Part 1/Sec 2):1979	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 1 up to and including 1 kV: Sec 2 metal parts (First Revision)	ETD 6
24	IS 3347 (Part 2/Sec 1):1979	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 2- 3.6 kV bushings: Sec 1 porcelain parts (First Revision)	ETD 6
25	IS 3347 (Part 2/Sec 2):1979	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 2- 3.6 kV bushings: Sec 2 metal parts (First Revision)	ETD 6
26	IS 3347 (Part 3/Sec 1):1988	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 3 -17.5 kV bushings: Sec 1 porcelain parts (Second Revision)	ETD 6
27	IS 3347 (Part 3/Sec 2):1982	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 3- 12 and 17.5 kV bushings: Sec 2 metal parts (First Revision)	ETD 6
28	IS 3347 (Part 4/Sec 1):1988	Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 4- 24 kV bushings: Sec 1 porcelain parts (Second Revision)	ETD 6
29	IS 3347 (Part 4/Sec 2):1982	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 4 -24 kV bushings: Sec 2 metal parts (First Revision)	ETD 6
30	IS 3347 (Part 5/Sec 1):1979	Dimension for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 5 - 36 kV bushings: Sec 1 porcelain parts (Second Revision)	ETD 6
31	IS 3347 (Part 5/Sec 2):1979	Dimensions for porcelain transformer bushings for use in normal and lightly polluted atmospheres: Part 5 -36 kV bushings: Sec 2 metal parts (First Revision)	ETD 6
32	IS 3639:1966	Specification for fittings and accessories for power transformers	ETD 16
33	IS 4253 (Part 2):2008	Cork composition sheets - Specification: Part 2 cork and rubber (Second Revision)	MED 30
34	IS 554:1999 ISO 7-1	Pipe threads where pressure - Tight joints are made on the threads - Dimensions, tolerances and designation (Fourth Revision)	PGD 37
35	IS 7404 (Part 1):1991	Paper covered copper conductors - Specification: Part 1 round conductors (First Revision)	ETD 33
36	IS 7421:1988 Reaffirmed but not taken up for revision	Specification for porcelain bushings for alternating voltages upto and including 1 000 V (First Revision)	ETD 6
37	IS 8999:2003 ISO 7-2	Pipe threads where pressure - Tight joints are made on the threads - Verification by means of limit gauges (First Revision)	PGD 25
38	IS 9335 (Part 1):2024	Specification for cellulosic papers for electrical purposes: Part 1 definitions and general requirements	ETD 2
39	IS 9335 (Part 2):2024 IEC 60554-2:2001	Cellulosic papers for electrical purposes: Part 2 methods of test (First Revision)	ETD 2
40	IS 9335 (Part 3/Sec 1):1984 IEC 554-3-1	Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 1 general purpose electrical paper	ETD 2
41	IS 9335 (Part 3/Sec 3):1984 IEC 554-3-3	Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 3 crepe paper	ETD 2
42	IS 9335 (Part 3/Sec 5):1985 IEC 554-3-5	Specification for cellulosic papers for electrical purposes: Part 3 specifications for individual materials: Sec 5 special papers	ETD 2
43	IS 2026 (Part 8):2009 IEC 60076-8	Power transformers: Part 8 application guide	ETD 16
44	IS 6162 (Part 1):1971	Specification for paper - Covered aluminium conductors: Part 1 round conductors	ETD 33
45	IS 6162 (Part 2):1971	Specification for paper covered aluminium conductors: Part 2 rectangular conductors	ETD 33
46	IS 13730 (Part 0/Sec 1):2018 EC 60317-0-1 : 2013	Specifications for particular types of winding wires: Part 0 general requirements: Sec 1 enamelled round copper wire (Second Revision)	ETD 33
47	IS 2026 (Part 10):2025 IEC 60076-10:2016	Power transformers: Part 10 determination of sound levels	ETD 16
48	IS 13849:1993	Specification for portable fire extinguisher dry powder type (constant pressure)	CED 22
49	IS 4031 (Part 5):1988	Methods of Physical Tests for Hydraulic Cement: Part 5 Determination of Initial and Final Setting Times (First Revision)	CED 2

International Standards Referred In IS 1180 (Part 3):2021

Standard contains no Cross Referenced International Standard.

IS 1180 (Part 3):2021
is Referred in following Indian Standards :

1	IS 7903 : 2011	Textiles - Tarpaulines Made From High Density Polyethylene Woven Fabric	TXD 23
2	IS 7903 : 2011	Textiles - Tarpaulines Made From High Density Polyethylene Woven Fabric	TXD 23

Classification Details

Group	:	Electrical Switchgear and Other Electrical Products/Accessories
Sub Group	:	Insulating material and systems
Sub Sub Group	:	Industrial Transformer
Aspect	:	Product Specification
Certification	:	Voluntary Certification
Relevant Ministries	:	Ministry of Health and Family Welfare
Sustainable development Goals :
Short Commom Man's Title	:	Ester immersed distribution transformers
ITC-HS Code	:	29180
Degree of Equivalence	:	Indigenous
Identical/Equivalent International Standard(s)	:
Harmonized with	:

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List of Licenses under IS : IS 1180 : Part 3 : 2021

ID	Licence No.	Firm Name & Address	District	State	Validity Date	Status	Variety	Brand Name	Scale

ID	Licence No.	Firm Name & Address	District	State	Validity Date	Status	Variety	Brand Name	Scale

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Basic Details/ मूल ब्यौरा

Other Details

Indian Standard

Amendment : 0

Gazette Document : 1

License : 7

Product Manual & SIT : 1

Laboratory : 14

Classification Details

Cross Reference Details

Composition

Corrigendum : 0

Cross Reference Details

Classification Details

Email Ids

List of Licenses under IS : IS 1180 : Part 3 : 2021

List of Expired or Cancelled Licenses under IS : IS 1180 : Part 3 : 2021

List of laboratories for : IS 1180 : Part 3 : 2021

List of Amendement(s) for : IS 1180 : Part 3 : 2021

List of Gazette Document(s) for : IS 1180 : Part 3 : 2021

List of Corigenda Document(s) for : IS 1180 : Part 3 : 2021

List of Product Manuals & SIT