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JB/T 10691-2022Balanced traction transformers (English PDF)

平衡牵引变压器

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 20, 2022

Implementation date

April 1, 2023

Scope

JB/T 10691-2022 is the English-translated version of 平衡牵引变压器.

Balanced traction transformers are covered by JB/T 10691-2022, a recommended Chinese machinery industry standard.

It sets out the product model, the service conditions, the performance parameters and connection methods, the technical requirements, the test items, test requirements and test methods, and the provisions on nameplates and signs, packaging, transport and storage.

The standard applies to the manufacture of oil-immersed balanced traction transformers for the traction substations of directly fed electrified railways with return lines, with rated capacity from 10 000 kVA to 63 000 kVA, rated frequency 50 Hz, voltage level 110 kV, three-phase to two-phase conversion and YNV and YNA connections.

It supersedes JB/T 10691-2007, and was issued on 30 September 2022 with effect from 1 April 2023.

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Document preview — JB/T 10691-2022

National Standard of the People's Republic of China

ICS: 29.180
Replacing: JB/T 10691-2007

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Scope
2 Normative references
3 Terms and definitions
4 Product model
5 Service conditions
5.1 Normal service conditions
5.2 Special service conditions
6 Performance parameters and connection method
6.1 Performance parameters
6.2 Connection method
7 Technical requirements
8 Test items
8.1 Routine tests
8.2 Type tests
8.3 Special tests
9 Test requirements and test methods
9.1 General
9.2 Measurement of the current unbalance factor on the primary side and measurement of the percentage of the neutral point current
9.3 Short-circuit withstand capability test
9.4 Overload capability test
10 Nameplate
11 Marking, packaging, transport and storage
Figure 1 Diagram of the winding connections
Figure 2 Diagram of the position of the bushings
Table 1 Performance parameters of balanced traction transformers from 10 000 kVA to 63 000 kVA
Table 2 Rated insulation level

What this standard covers

This standard specifies the product model, service conditions, performance parameters and wiring methods, technical requirements, test items, test requirements and test methods, nameplates and signs, packaging, transportation and storage of balanced traction transformers. This standard applies to traction substations of direct power supply electrified railways with return lines, with a rated capacity of 10,000kVA to 63,000kVA, a rated frequency of 50Hz, a voltage level of 110kV, three-phase to two-phase, YNV and YNA wiring methods of oil immersion Manufacture of balanced traction transformers.

Document data

International classification (ICS): 29.180.

Chinese classification (CCS): K41.

Estimated length of the Chinese original: 10,152 words.

Supersedes the earlier edition JB/T 10691-2007.

4 Product model

5 Service conditions

6 Performance parameters and connection method

7 Technical requirements

8 Test items

9 Test requirements and test methods

10 Nameplate

11 Marking, packaging, transport and storage

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Similar standards

JB/T 10693-2022|JB/T 11328-2013|GB/T 25120-2023

Editions of JB/T 10691

Edition	Title	Revision	Status
JB/T 10691-2022	Balanced traction transformers	current edition	Current
JB/T 10691-2007	Balanced traction transformers	previous edition	Superseded

This page sells the current edition, JB/T 10691-2022. Earlier editions are listed for reference only.

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