Buzz | Project Solutions Engineer+86 183 7066 5235
Bella | Application Engineer+86 136 9956 4381sales@sunengelec.com
EN
Start an Enquiry
New No. 3 main transformer, rated 50 MVA
Project archive

China / Chaisang, Jiujiang, Jiangxi

Chihu 110 kV Substation Main Transformer Expansion

110 kV
Added transformer1 × 50 MVA
Reactive compensation4.8 + 3.6 Mvar
New 110 kV circuitsNone
Construction completedSeptember 2024
Selected SUNENG supply scope

SUNENG supplied selected electrical products and components for the Chihu 110 kV substation expansion.

Project context.

The Chihu expansion added a third main transformer to the existing 110 kV substation in Chihu Industrial Park, Chaisang District, Jiujiang. The work introduced one 50 MVA transformer and 4.8 + 3.6 Mvar of reactive compensation, with no additional 110 kV outgoing circuits.

The new transformer sits within the existing outdoor station arrangement, alongside the earlier transformer installations and the 110 kV AIS switchyard. Construction ran from 25 May to 20 September 2024. The equipment views and layout below show how the addition fits into the station.

Electrical scope

Project location
Chihu Industrial Park, Chaisang District, Jiujiang, Jiangxi
Expansion scope
One new No. 3 main transformer, rated 50 MVA
Reactive compensation
One additional group rated 4.8 + 3.6 Mvar
Station arrangement
Outdoor main transformers and outdoor 110 kV AIS equipment
Station configuration after expansion
Three outdoor main transformers; four existing 110 kV outgoing circuits
Construction period
25 May 2024 to 20 September 2024

Electrical drawings

Review the electrical sheets and their equipment and route annotations.

Chihu station layout and the No. 3 transformer expansion
Chihu station layout and the No. 3 transformer expansion
Chihu substation location in the Jiujiang area
Chihu substation location in the Jiujiang area

Field imagery

Station equipment and line routes.

No. 3 transformer addition

The added 50 MVA transformer, its outdoor connections and rating plate.

New No. 3 main transformer, rated 50 MVA
New No. 3 main transformer, rated 50 MVA
No. 3 main transformer and outdoor connections
No. 3 main transformer and outdoor connections
No. 3 main-transformer rating plate
No. 3 main-transformer rating plate

Existing station setting

Earlier transformer installations and the station entrance provide context for the expansion.

Existing No. 1 main transformer at Chihu substation
Existing No. 1 main transformer at Chihu substation
Existing No. 2 main transformer at Chihu substation
Existing No. 2 main transformer at Chihu substation
Chihu 110 kV substation entrance
Chihu 110 kV substation entrance

Discuss a similar requirement.

Send a drawing, BOM, voltage level or technical specification for an initial review.

Start an enquiry

Search SUNENG

Find products, solutions, project references and articles.