400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer

Product Details
Customization: Available
Application: Power
Phase: Three
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Management System Certification
ISO 9001, ISO 14001
Export Year
2010-10-01
  • 400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
  • 400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
  • 400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
  • 400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
  • 400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
  • 400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
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Basic Info.

Cooling Method
Dry-type Transformer
Winding Type
Multi-winding Transformer
Usage
Single-phase Transformer, Power Transformer, Distribution Transformer
Frequency Characteristics
Power Frequency
Shape of Core
EI
Brand
Junke
The Installation Height
<1000m
Capacity
30kVA-2500kVA
Fire Class
F1
Ambient Class
E2
Transport Package
Wooden Package
Trademark
JUNKE
Origin
Wenzhou
Production Capacity
1000PCS/Month

Product Description

Product Parameter
Rated Capacity
(kVA)
Voltage Combination Connection group symbol No-load loss
(W)
Under the different insulation heat-resisting rank load loss(W) No-load current
%
H.V.(kV) High Voltage Tapping L.V.(kV) 130°c
(B)(100°c)
155°c
(F)(120°c)
180°c
(H)(145°c)
30










6
6.3
6.6
10
10.5
11













±2x2.5

±5














0.4













Dyn11
Yyn0
130 605 640 685 2
50 185 845 900 965 2
80 250 1160 1240 1330 1.5
100 270 1330 1415 1520 1.5
125 320 1565 1665 1780 1.3
160 365 1800 1915 2050 1.3
200 420 2135 2275 2440 1.1
250 490 2330 2485 2665 1.1
315 600 2945 3125 3355 1
400 665 3375 3590 3850 1
500 790 4130 4390 4705 1
630 910 4975 5290 5660 0.85
800 1035 5895 6265 6715 0.85
1000 1205 6885 7315 7885 0.85
1250 1420 8190 8720 9335 0.85
1600 1665 9945 10555 11320 0.85
2000 2075 12240 13005 14005 0.7
2500 2450 14535 15445 16605 0.7
400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
Transformer Detail
1.Three leg core:Made of grain oriendted low loss electrolami nations insulated on both sides.
2.Resilient spacers:To insulate core and windings from mechanical vibrations,resulting in low noise emissions.
3.HV winding:Consisting of vacuum potted single foil type aluminum or copper coils.
4.LV winding:Made of copper or aluminum strip.Turns firmly glued together by means of insulating sheet wrapper material.
5.Insulation:Mixture of epoxy resin and quatrz powder.Makes the transformer maintenance free,moistureproof,tropicalized,flame resistant and self extinguishing.
6.Clamping frame and truck:Rollers can be swung around for lengthways or sideways travel.
7.LV terminals:Normal arrangement:top,rear.Special version:Bottom,available on request at extra charge.
8.HV terminals:Variable arrangerments,for optimal station design.HV tapping links on low voltage side for adjust ment to system conditions,reconnectable in deenergized state.
9.Cross flow fans:Permitting a 50% increase in the rated power.
400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
Temperature monitoring
By PTC thermitor detectors in the LV winding
Paint finish on steel parts
Multiple coating,RAL 5009.On request:Two component varnish or hot dip galvanizing(for particularly aggressive environments)
Ambient class E2
Climatic category C2 (if the transformer is installed outdoors,degree of protection IP 23 must beassured)
Fire class F1

400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
Standard Feature

Dry Transformer Features

Safe, fire prevention, no pollution, can be installed directly in the load center;
Simple maintenance and installation, low comprehensive operating costs;
The moisture -proof performance is good, and it can run normally at 100%humidity;
Lost loss, small local discharge, small noise, and strong heat dissipation capacity, can run 150%of the rated load operation;
Equipped with a complete temperature protection control system; High reliability has reached the international advanced level;
Passed UL certification, the coil adopts special technology to enhance its ability to resist salt spray and moisture, and improve
operational reliability. all metal parts reach the
anti-corrosion level of C4 and above, and have strong adaptability to the offshore environment.

 
 
400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer
Temperature control device:
The transformer adopts the BWDK series signal thermometer. The temperature measuring element is embedded in the upper half of the
low-voltage coil, which can automatically detect and display the respective working temperature of the phase coil, and has the
function of over temperature alarm and trip.

 

400kVA Three Phase Dry Type Transformer Electrical Power Transmission Distribution Transformer

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