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Introduction |
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Distribution TR. Which
produced in our company are
designed and industrialized in accordance with the
international standardization (IEC-60076) & the right
of the
purchased technical know -how from Mitsubishi corporation
Co. (Japanese Company) .
These accumulated facilities are suitable to provide complete
satisfaction to customers power distribution and other
industrial utilities, the design capacity of the factory is
3400
MVA per year.
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Technical
Specification |
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Design |
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Distribution Diala transformers are manufactured from
high quality silicon steel that had
been cutted according to design and capacity of transformers,the
low voltage coils make
from copper stripes while high voltage coils make from
copper conductors insulated
of varnish insulate material is using in transformer coil,
contain of diamond squares
coated from two sides, this arrangement from insulated
material amonge coils, when
pressed it up and dryness it by dry furnaces well become
holds and strong and consist
of one unity.In this method , Diala transformers become
more firmness toward forces
which produce of the short electrical circuit inside transformer.
The core and coil
assembly are integrated into a fin-cooled tank in the
most economical manner to
provide appropriate interface connection to the customers
system.
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Manufacture |
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Distribution transformers
are manufactured completely at factory, the sequence of
manufacturing goes very smooth as follow: |
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Silicon
steel has been cutted and coil by high accurate speed for
machine george
according to transformer capacity for producting iron cores
with coiling type
(wound core) with five columns consist of assembles and
each assemble constitute
many layers of silicon steel wherever out set and end assembles
with alternate
method to enable coils entered inside the column iron core.
Low
voltage coils have coiled from the annealed copper strips
and insulated among
its layers with insulated paper with the type craft paper
which non-chemical treatment
for enable paper to saturation with oil to high enable degree.
High
voltage coils have coiled from copper wire insulated with
varnish material. It has
coiled directly on low voltage coil include less volume
and given the high strong
mechanical against electrodynamics forces.
Coils have been press up and dryness by
specialist machine and dry furnaces.
Coils
have been assembled with iron core in limited regions on
production line with
using cranes for this purpose.
All
connective copper have been assembled with off load tap
changer and bushing.
Transformer has dried and outside any moisture of coils
before had put it in tank.
Active
parts of transformers have been combined inside tanks after
that filling it
of oil inside vacuum rooms from air.
Tank
have been manufactured in the company in the complete line
way for
producing corrugated fins which automatic welding after
that tanks have been
cleaned by chemical material then coated in three layers
for protection tanks from
rust and changeable weather conditions.
After
ending production transformer procedures have been all routen
testing
according to the international specification IEC 60076 in
addition of procedures
some quantity testing like measuring the temperature rise
and
measuring the sound level of the transformers.
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1
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Upper filter valve
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10
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oil level gauge
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2
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Lifting lug
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11
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core clamp
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3
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HV bushing
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12
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core
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4
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LV bushing
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13 |
Corrugated radiator
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5
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Padlock for tap changer handle
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14 |
Flat wheel
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6
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Off load tap-changer handle
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15 |
Coil
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7
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Pressure-relief device
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16 |
LV lead
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8
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Thermometer
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17 |
Oil drain valve
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9
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Silica gel dehydrating breather
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18 |
Name plate
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The kinds of distribution TR. produced
in the factory:
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1.
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Transformers with transmission ratio of
( 11/0.4) KV with various capacities from
(100~1000) KVA , connection groups Dyn11 operating by
normal cooling (ONAN ) .
Transformers with transmission ratio of ( 33/0.4 )KV in
the various capacities (100~1000)KVA group of connection
Dyn11 operating by normal cooling (ONAN) .
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2.
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General Measuring (mm)
Weigth (Kg) Volume (Lit)
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11KV
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General Measuring &
Weigth & Volume
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33KV
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Capacity
(KVA)
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Outline
Dimension
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Center
Pitch Of Wheels
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X
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Y
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Z
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Xs
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Ys
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100
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1035
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640
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1210
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550
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540
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250
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1325
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855
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1210
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700
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600
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400
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1485
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995
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1210
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800
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630
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630
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1710
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1140
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1300
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850
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700
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1000
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1890
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1350
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1440
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900
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800
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Capacity
(KVA)
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Outline
Dimension
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Center
Pitch Of Wheels
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X
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Y
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Z
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Xs
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Ys
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100
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1300
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810
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1275
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800
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650
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250
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1580
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930
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1350
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950
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750
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400
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1710
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1040
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1415
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1000
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800
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630
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1900
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1100
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1475
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1150
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800
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1000
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2090
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1340
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1560
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1150
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900
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Capacity
(KVA)
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Bushing
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XH
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XL
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XH
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Xl
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YH
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YL
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100
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200
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115
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130
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130
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250
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200
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125/135
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170
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150
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400
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200
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125/155
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180
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150
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630
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200
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140/180
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200
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180
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1000
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200
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140/195
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200
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180
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Capacity
(KVA)
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Bushing
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XH
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XL
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XH
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XI
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YH
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YL
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100
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420
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115
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0
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125
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190
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180
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250
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420
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115
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110
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130
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200
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180
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400
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420
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115
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110
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100
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220
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200
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630
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420
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140
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110
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70
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220
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220
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1000
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420
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140
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110
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130
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270
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200
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Capacity
(KVA)
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Oil
(L)
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Total Mass Without
Oil (Kg)
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100
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187
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510
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662
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250
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252
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860
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1075
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400
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285
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1140
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1400
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630
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435
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1710
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2100
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1000
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635
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2280
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2860
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Capacity
(KVA)
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Oil
(L)
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Total
Mass Without Oil (Kg)
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100
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310
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760
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1040
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250
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465
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1210
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1630
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400
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615
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1460
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2017
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630
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735
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2080
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2740
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1000
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1005
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2790
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3690
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Electrical
Characteristes
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Transformers characterized by optimized
efficiency and quality in performance and electrical properties
as follows:
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High Voltage
KV
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Capacity
KVA
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No load Losses (W)
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No load
Current (%)
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Load Losses(W)
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Resistance Voltage
(%)
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11
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100
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330
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3.0
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1500
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4.0
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250
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650
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3.0
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2750
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4.0
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400
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920
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2.0
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3775
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4.0
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630
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1300
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2.0
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5120
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4.0
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1000
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1850
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2.0
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8200
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4.5
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33
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100
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480
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3.0
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1400
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6.0
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250
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770
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3.0
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2650
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7.0
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400
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1050
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2.0
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3900
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7.5
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630
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1450
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2.0
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5500
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7.5
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1000
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1870
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2.0
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8600
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8.0
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Marketing
& Sales |
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Warranty Card |
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After
Sales Services
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Since we are highly trust our products
and wanted offer the best after sales services and maintenance
to our costumers, we certify our different types of typical
and non typical distribution transformer within the attached
certification cards,we can maintain our transformers and many
other origin transformers, please contact us if you need for
any further details. |
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