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Products / Power transformers

TMZ 250-2500/6(10) N2, NЗ, T1

Three-phase double-winding oil transformers with protection nitrogen blanket
Transformer TMZ 250-2500 6(10) kV
Equipment request
Models for delivery:
TMZ-250/6(10) N2, NЗ, T1
TMZ-400/6(10) N2, NЗ, T1
TMZ-630/6(10) N2, NЗ, T1
TMZ-1000/6(10) N2, NЗ, T1
TMZ-1600/6(10) N2, NЗ, T1
TMZ-2500/6(10) N2, NЗ, T1
Producer
"KTZ" JSC
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Description


1. General characteristics:

Power range
250, 400, 630, 1000, 1600, 2500 kVA
Winding connection
Y/Yn-0, 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%
Climatic version
N2, NЗ, T1, 3


2. Assignment:

Three-phase double winding oil hermetic transformers with protection nitrogen blanket. Designed for sectional transformer substations, manufactured for the needs of the national economy. Nitrogen protects the oil from oxidation and compensates for temperature variations of the oil volume. Suitable for installation outdoors, under cover, indoors with natural ventilation.


3. Conditions:

Height over sea level
up to 1000 m
Temperature for temperate climates
from −45°С to +40°С (performance N2, N3)
Temperature for dry and tropical climate
from −10°C to +50°C (performance T1)
Relative humidity
no more than 80% when +25°C


4. Working resource:

Operating mode
long
Warranty period
3 years
Full life
not less than 25 years

 


1. Capacity from 250 to 400 kVA:

ModelWinding connectionIdling losses, WtLoss short circuit, WtShort-circuit voltage, %Idling current,%
TMZ-250/6(10)Y/Yn-058037004,51,2
TMZ-400/6(10)Y/Yn-082055004,51,0


2. Capacity from 630 to 2500 kVA:

ModelWinding connectionIdling losses, WtLoss short circuit, WtShort-circuit voltage, %Idling current,%
TMZ-630/6(10)Y/Yn-0
D/Yn-11		116076005,50,8
TMZ-1000/6(10)Y/Yn-0
D/Yn-11		1600108005,50,75
TMZ-1600/6(10)Y/Yn-0
D/Yn-11		2280165006,00,65
TMZ-2500/6(10)Y/Yn-0
D/Yn-11		3750240006,00,6


1. Capacity 250 kVA:

PowerLBHAEFMNKK1Weight, kgOil, kg
250 kVA148099013851758080100510905505504801300


2. Capacity from 400 to 1600 kVA:

PowerLBHAEFMNKK1Weight, kgOil, kg
400 kVA1580107514601759595108610866606606001800
630 kVA1680109016801759595127012708208207402500
1000 kVA1900123518251809595139213928208209803280
1600 kVA200413202085180100100149014901070107012504680


3. Capacity 2500 kVA:

PowerLBHAEFMNKK1Weight, kgOil, kg
2500 kVA213017352070175120120160816081070107013905440

 

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Transformers TMZ 6(10) kV (511,7 KB)
technical details
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