🔹 Brief description
TDN-10000/110-U1 - is a three-phase two-winding power transformer with natural oil circulation and forced air circulation, designed for operation in distribution and trunk power networks up to 110 kV. It is equipped with a built-in load voltage regulator (LVR) with an adjustment range of ±5×1.5%, ensuring stable operation under variable load conditions.
🔧 Technical specifications
| Parameter | Significance |
|---|---|
| Rated power | 10,000 kVA |
| HV voltage class | 110 kV |
| Frequency | 50 Hz |
| Winding connection diagram | YH/D-11 |
| Idle current | 0,4 % |
| No-load losses (Po) | 11,000 W |
| Short-circuit losses (SCL) | 58,000 W |
| Short-circuit voltage | 10,5 % |
| Oil volume | 9,000 kg |
| Total weight of the transformer | 28,300 kg |
| Transportation weight | 24,800 kg |
| Dimensions (L×W×H) | 5095 × 3140 × 5100 mm |
📌 Design Features
On-load regulation (on-load tap-changer): ensures stable operation in networks with voltage fluctuations
Fully sealed conservator: protects the oil from moisture and oxygen, extending its service life
Improved cooling: natural oil circulation + forced ventilation (ONAF)
Oil indicator and oil level signaling: visual control and automatic protection
Anti-corrosion coating of the housing: increased resistance to climatic conditions U1
Surge protection mechanism: integrated gas relay (Buchholz), safety valves
🔋 Areas of application
35-110 kV substations
Power grid companies
Industrial and petrochemical facilities
Wind and solar power plants
Railroad and infrastructure hubs
Mining and metallurgical industry
❓ Frequently Asked Questions (FAQ)
1. Can the transformer be delivered with a different LV voltage?
Yes, the secondary winding can be made for 6, 10, 35 kV and other values.
2. Is it possible to control the tap changer remotely?
Yes, it is possible to connect to the control system via the controller supplied with the transformer.
3. Are tests carried out before delivery?
Each transformer undergoes factory type, acceptance and special tests.
4. Is it possible to supply the transformer with a dry reactor or built-in circuit breaker?
Yes, such modifications are possible on a customized basis.
Why more and more companies in Russia and Central Asia are buying power transformers directly from China
Buy power transformers directly from China factories Power transformers are a key element in the power infrastructure [...].
May
Leading transformer supplier to Russia and Central Asia-Evernew Transformer
In a rapidly changing energy world, stability, quality and timeliness of supply are critical. Evernew Transformer [....]
May
Transformers for power distribution: Essential components for reliable power distribution
Introduction Reliable and efficient distribution of electricity is the basis for the functioning of modern society. Regardless of whether it goes [.....]
Feb
What is a transformer winding: Design and classification of windings
What is a transformer winding A transformer winding is a key part of the device through which the electrical [...].
Jan
What is an oil transformer: device, principle of operation and advantages
What is an oil transformer? Oil transformers are key devices in the energy infrastructure used for [...].
Jan
Power transformer: Principle of operation, classification and selection recommendations
What is a power transformer? A power transformer is an electromechanical device that has a wide range of applications, including [...].
Jan
Reviews
There are no reviews yet.