Quality in every winding. Reliability in every delivery.
ico
About the Plant
Learn more about the equipment used, the technology, the product development, creation and testing process, and the company's long history. Here you can see certificates indicating access to all types of work performed.
Learn more about the plant
menu
Products
Check out our catalog of quality, modern and energy efficient products. We also offer individual development of transformers to suit the needs and wishes of customers.
Go to the products
menu
Corporate Management
Here you can familiarize yourself with all the necessary documentation, see our financial reports and development plans. And also ensure the competence of the governing board.
Go to the documents
News
News in which news is published about all the changes that have occurred in the work of the enterprise. Also here you can read announcements about planned changes or ongoing events for investors and partners.
Go to the news
menu
Contacts
Have any questions about products or want to become a partner? Use the contacts of our factory or representative office in the Russian Federation to contact our specialists.
Go to Contacts
ico
ico ico En ico
Color scheme:
A A A
Font size:
A A A A A
ico Select language
Copyright © 2025 AO "Чирчикский Трансформаторный Завод"
ico
En
+998 71 713 03 24 info@chtz.uz
Color scheme:
A A A
Font size:
A A A A A
sound Screen reader
The website features screen reader. To listen to the text, simply highlight it with the mouse and click on the appearing icon.
ico Select language
Home > Products > Oil-immersed power transformers, voltage class 110–150 kV > Two-winding power transformers with split winding НН, equipped with РПН, type ТРДН-25000÷63000/110-У1(УХЛ1)

Two-winding power transformers with split winding НН, equipped with РПН, type ТРДН-25000÷63000/110-У1(УХЛ1)

product
The power transformer is a three-phase, double-winding type with a split low-voltage winding, natural oil circulation, and forced air circulation, equipped with an on-load tap changer (РПН). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a ТРДН-type transformer ensures reliable power supply to the consumer throughout the entire service life.
Get the cost
Application sent

By clicking the “Calculate” button, you consent to the processing of personal data.

Description

The power transformer is a three-phase, double-winding type with a split low-voltage winding, natural oil circulation, and forced air circulation, equipped with an on-load tap changer (РПН). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a ТРДН-type transformer ensures reliable power supply to the consumer throughout the entire service life.

Power range

Power range: 25000÷63000 kVA
Primary winding voltage HV : 115 kV
Secondary winding voltage LV : 6.6–6.6 (11–11) kV
Climatic design: У1 or УХЛ1

Transformer symbols

Т – transformer.
М – oil-filled with natural oil circulation cooling.
Т – three-winding configuration.
Н – on-load voltage regulation, natural oil circulation.

Characteristic

Main Technical Specifications of ТРДН-25000÷63000/110-У1(УХЛ1) Transformers
Parameter
Value
Transformer type
ТРДН-25000/110
ТРДН-40000/110
ТРДН-63000/110
Rated power, kVA
25000
40000
63000
Rated voltage of HV winding (High Voltage), kV
115
115
115
Rated voltage of LV winding (Low Voltage), kV
6,3-6,3; 10,5-10,5
6,3-6,3; 10,5-10,5
6,3-6,3; 10,5-10,5
Winding connection scheme and vector group
Ун/Д-Д-11-11
Ун/Д-Д-11-11
Ун/Д-Д-11-11
No-load losses, kW
25
34
50
Short-circuit losses, kW
120
170
245
Short-circuit voltage HV–LV, %
10,5
10,5
10,5
Short-circuit voltage HV–LV1 (LV2), % 20 20 20
Short-circuit voltage LV1–LV2, not less than, % 30 30 30
No-load current, % 0,4 0,55 0,2

Overall and Mounting Dimensions

Overall Dimensions of ТРДН-25000÷63000/110-У1(УХЛ1) Transformers
Transformer type
 Dimensions, mm
Weight, kg
L B H Oil weight
Shipping weight
Total weight
ТРДН-25000/110
5900
4080
5400
15000
43705
50130
ТРДН-40000/110
5980
4655
5215
12200
48220
57900
ТРДН-63000/110
6080
4500
5520
18625
70040
79725

Dimensional drawings

print
The power transformer is a three-phase, double-winding type with a split low-voltage winding, natural oil circulation, and forced air circulation, equipped with an on-load tap changer (РПН). Automatic control is carried out by an automatic controller supplied together with the transformer. The use of a ТРДН-type transformer ensures reliable power supply to the consumer throughout the entire service life.
Get the cost
Please fill in all fields with *
Application sent

By clicking the “Calculate” button, you consent to the processing of personal data.

Other offers

Explore other options of our equipment
ico
01 / 05
ico
product
ico
Two-winding power transformers with РПН, type ТМН-2500-6300/110-У1(УХЛ1), energy-efficient, with reduced losses
product
ico
Power transformers with two windings and a split НН winding, with РПН, type ТРДН-32000/150-У1 (УХЛ1)
product
ico
Three-winding power transformers with РПН, type ТДТН-16000÷63000/150-У1(УХЛ1)
product
ico
Three-winding power transformers with РПН, type ТМТН-6300/110-У1(УХЛ1)
product
ico
Two-winding power transformers with РПН, type ТДН-10000÷40000/110-У1(УХЛ1)
product
ico
Three-winding power transformers with РПН, type TДТН-10000÷63000/110-U1 (УХЛ1)
team
Tusov Artem Aleksandrovich
Deputy Director for Marketing and Sales

Can't decide?

Consultation and equipment selection over the phone

Your name

Phone

Your application has been submitted for development
[10]
By clicking the “Request a call” button, you consent to the processing of personal data.