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Products / Power transformers

TM 25-2500/6(10) N1, NF1

Three-phase two-winding power transformers
TM 1600/10(6) N1, NF1
TM 1600/10(6) N1, NF1
TM 1000/10(6) N1, NF1
TM 100/10(6) N1, NF1
TM 25-2500/10(6) N1, NF1
5 photos
Equipment request
Models for delivery:
TM-25/10(6) N1, NF1
TM-40/10(6) N1, NF1
TM-63/10(6) N1, NF1
TM-100/10(6) N1, NF1
TM-160/10(6) N1, NF1
TM-250/10(6) N1, NF1
TM-400/10(6) N1, NF1
TM-630/10(6) N1, NF1
TM-1000/10(6) N1, NF1
TM-1250/10(6) N1, NF1
TM-1600/10(6) N1, NF1
TM-2500/10(6) N1, NF1
Producer
"KTZ" JSC
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Description


1. General characteristics:

Power range
25-2500 kVA
Winding connection
Y/Yn-0, D/Yn-11
Voltage HV winding
6, 10 kV
Voltage LV winding
0,4 kV
Voltage regulation
HV
Non-excitation regulating power
±2×2,5%.


2. Assignment:

Three-phase double winding oil transformers with extender, with natural oil cooling, with non-excitation regulating to be included in the network of alternating current with frequency of 50 Hz, intended for transmission and distribution of electricity in the conditions of temperate and cold climate. Transformers are not designed to operate under conditions of shock, vibration, explosive, and reactive environment.

Oil extender mounted on the tank cap has ventilation, United through drier air. The oil pressure in the transformer remains constant and does not depend on temperature.

On customer request the transformer can be made with a radiator or corrugated tank.

All transformers are subjected to typical and acceptance tests according to GOST 11677 and regulatory documentation.


3. Conditions:

Height over sea level
up to 1000 m
Temperature for temperate climates
from −45°С to +40°С (исполнение У)
Temperature for cold climate
from −60°C to +40°C (исполнение ХЛ)
Relative humidity
no more than 80% when +25°C


4. Construction of transformers:

Tanks has two designs: radiator and corrugation wall.

Tanks TM-25-630 kVA — oval, and for capacities of 1000-2500 kVA — rectangular. To increase the cooling surface in transformers with a capacity of 100-2500 kW are equipped with radiators. For lifting the transformer Assembly used: earrings on the cover for TM-25-630/10, hooks located under the top frame of the tank for TM-1000-2500/10.

Tanks with corrugation wall made of rectangular shape. On the lid of the tank are the HV and LV, extender, Jack thermotank, at the bottom of the tank there is a plug for draining the oil, tube for sampling oil tube (valve) to fill the oil and the grounding bolt.

The active part consists of a magnetic core made of cold-rolled electrical steel coils and switch. A special form of execution of the magnetic circuit allows you to create a connection called «STEP-LAP», which proved to be excellent low noise and low no-load losses.

The transformer winding is made of aluminum or copper wires up to 250 kVA and above the LV winding of the foil. The HV and LV outdoor installation, removable, bushings and porcelain. At a current of 1000 a and higher in the upper part of the conductive rod is attached a special terminal with a shovel, which provide connecting flat tires.

The oil-extender provides oil under all operating conditions of the transformer and the fluctuations of the ambient temperature. Has three marks: −45°C +15°C, +40°C, corresponding to the oil level in an idle transformer at different temperatures. Transformers 1000 kVA and above are supplied with gas relay.

In transformers with capacity from 100 to 2500 kVA rollers are installed in the order that is used for longitudinal and transverse movement of the transformers.

 


1. Capacity from 25 to 100 kVA:

TypeWindings' connectionPo, кВтPk, кВтUk, %Io, %
TM-25/6(10)Y/Yn-0
Y/Zn-11		0.110.6
0.69		4.5
4.7		2.2
TM-40/6(10)Y/Yn-0
Y/Zn-11		0.150.88
1.0		4.5
4.7		2.0
TM-63/6(10)Y/Yn-0
Y/Zn-11		0.211.28
1.47		4.5
4.7		1.8
TM-100/6(10)Y/Yn-0
Y/Zn-11
D/Yn-11		0.271.9
2.25
2.25		4.5
4.7
4.5		1.6


2. Capacity from 160 to 630 kVA:

TypeWindings' connectionPo, кВтPk, кВтUk, %Io, %
TM-160/6(10)Y/Yn-0
Y/Zn-11
D/Yn-11		0.412.6
2.9
2.9		4.5
4.7
4.5		1.4
TM-250/6(10)Y/Yn-0
Y/Zn-11
D/Yn-11		0.473.7
4.2
4.2		4.5
4.7
4.5		1.2
TM-400/6(10)Y/Yn-0
Y/Zn-11
D/Yn-11		0.725.5
5.9
5.9		4.51.0
TM-630/6(10)Y/Yn-0
Y/Zn-11		1.07.65.50.6


3. Capacity from 1000 to 2500 kVA:

TypeWindings' connectionPo, кВтPk, кВтUk, %Io, %
TM-1000/6(10)Y/Yn-0
Y/Zn-11		1.410.85.50.6
TM-1250/6(10)Y/Yn-0
Y/Zn-11		1.514.356.00.5
TM-1600/6(10)Y/Yn-0
Y/Zn-11		1.717.36.00.5
TM-2500/6(10)Y/Yn-0
Y/Zn-11		2.528.06.50.4

 


1. Capacity from 25 to 100 kVA:

PowerLBHKMhh1AA1WeightOil
25 kVA10404401070170908595450400285 kg75 kg
40 kVA102044011501709085100450400365 kg90 kg
63 kVA105044011951709085110500400405 kg110 kg
100 kVA1060750134019090105105550450575 kg170 kg


2. Capacity from 160 to 630 kVA:

PowerLBHKMhh1AA1WeightOil
160 kVA1115870137019090115105550550775 kg205 kg
250 kVA132594014201901101101155505501045 kg315 kg
400 kVA140097014902301501301306606601435 kg455 kg
630 kVA1480107017202301501551556606601980 kg520 kg


3. Capacity from 1000 to 2500 kVA:

PowerLBHKMhh1AA1WeightOil
1000 kVA1950118020802301452001808208203280 kg830 kg
1250 kVA2230120023352502101801608208204200 kg1150 kg
1600 kVA223012702355250210180160107010704400 kg1300 kg
2500 kVA245012902585230145220170107010705790 kg1450 kg

 

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