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 > Power transformers, oil-immersed, voltage class 35 kV > Energy-efficient, low-loss two-winding power transformers with OLTC, type TDNS-10000÷16000/35-U1 (UHL1).

Energy-efficient, low-loss two-winding power transformers with OLTC, type TDNS-10000÷16000/35-U1 (UHL1).

product
Power transformer, three-phase, double-winding, with natural oil circulation and forced air cooling, equipped with an on-load tap changer (OLTC). Automatic control is performed by an automatic controller supplied together with the transformer. It is intended for operation in auxiliary power systems of power plants. The use of a TDNS-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

Power transformer, three-phase, double-winding, with natural oil circulation and forced air cooling, equipped with an on-load tap changer (OLTC). Automatic control is performed by an automatic controller supplied together with the transformer. It is intended for operation in auxiliary power systems of power plants. The use of a TDNS-type transformer ensures reliable power supply to the consumer throughout the entire service life.

Power range

Power range: 10,000÷16,000 kVA.
Primary winding voltage HV: 36.75; 35 kV.
Climatic version: U1 or UHL1.


Transformer symbols

T – Transformer
D – With natural oil circulation and forced air circulation.
N – Equipped with on-load tap changing (OLTC).
S – Intended for operation in the auxiliary power systems of power plants.
H – Rated power, kVA.
35 – Voltage class, kV.
U1 or UHL1 – Climatic version and placement category according to ГОСТ 15150.


Characteristic

Каталог.cdr


Technical specifications of TDNS-10000÷16000/35-U1(UHL1) energy-efficient transformers with reduced losses

Transformer type

Rated power, kVA

Rated voltage, kV Winding connection diagram and vector group

Losses, kW

Short-circuit voltage, %

No-load current, %

HV LV

No-load

 Short-circuit 

TDNS-10000/35 

 10000 36,75 10,5; 6,3 Yn/D-11

11,5

60,0

8,0

0,75

TDNS-16000/35 

 16000 36,75 10,5; 6,3 Yn/D-11

17,0

85,0

10

0,70

Overall and Mounting Dimensions

Overall dimensions of transformers type TDNS-10000÷16000/35-U1(UHL1)
Transformer
type 		Overall dimensions, mm        Weight, kg
L 
B
H
H1
H2
H3
A N K Total Transport Oil
TDNS-10000/35  
4125
3265
3685
1935
550
995
1524
1000
300 19430 16260 4100
TDNS-16000/35 
4470
3415
3922
135
585
850
1524
1000
400 26000 22145 5250

Dimensional drawings

print
Power transformer, three-phase, double-winding, with natural oil circulation and forced air cooling, equipped with an on-load tap changer (OLTC). Automatic control is performed by an automatic controller supplied together with the transformer. It is intended for operation in auxiliary power systems of power plants. The use of a TDNS-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 OLTC, type TMN-1000÷10000/35-U1 (UHL1)
product
ico
Two-winding power transformer type TRDP-12500/35-U1
product
ico
Power two-winding transformers with OLTC, type TDN-6300/35-U1 (UHL1)
product
ico
Two-winding power transformer type TD-16000/110-U1(UHL1), energy-efficient, with reduced losses
product
ico
Power Transformers, Two-Winding, with NLTC, Type TD-10000÷16000/35-U1(UHL1), Energy-Efficient, Reduced Losses
product
ico
Two-winding power transformers with NLTC, type TM-1000÷6300/35-U1(UHL1)
product
ico
Energy-efficient two-winding power transformers with split LV windings and on-load tap-changer (OLTC), type TRDNS-25000/35-U1(UHL1), featuring reduced losses
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.