Enquiry No. : 8010237 Baghdad (Iraq)
Description :We are urgent need to buy the arc furnace transformer and label
furnace transformer ,the technical specification as following
please have a good look at it and send us the best price with specification and certificates
Thanks
Three Phase Oil immerse EAF Transformer forced Oil and Water
cooling (OFWF) by 2 x 100 % cooler of the double wall type
and for indoor installation, with on load tap changer for LV
regulation with 13 equal tap position. The transformer should
be as latest IEC standard for Arc furnace application.
Characteristics:
a) Rating: 60 MVA Continuous
b) Ambient Temperature: 50 Deg. C.
c) Rated Primary voltage: 33 KV 3 Ph 50 Hz
Voltage & Combined
(Voltage & Freq) Variation: As per IS/IEC Standard.
Primary Termination: by Bushing suitable for 33 KV unearth
system (52 KV grade)
d) Secondary Voltage: 850, 825, 800, 775, 750 Const MVA 725, 700, 675, 650, 625, 600, 575, 550, 525
Const
e) Winding connection: Delta/ Internally closed or delta or externally
f) Terminal (selndis): Water cooled bus tube (copper)
g) Water inlet Temp: 38� C
h) Winding/ Oil temp. Rise: 55/50 C
i) Impedance voltage at 75 C of oil temp at top voltage: 8-9%
j) Insulation levels, KV: 250 KVP & 95 KV RMS, Primary, Secondary 8 KV RMS
k) Installation: Indoor
l) Reference standards: IEC 60076
m) On load tap charger: MR, German
n) Fittings: Standard for Arc Furnace application
Protection:
a) Buchh 0/7 relays, oil surge relay, for
Transformer & tap charger separating
b) Oil level indicators for tap changer conservator & transformer conservator c) Oil Tap with alarm & remote transmitter
d) Winding temp. with alarm & remote transmitter e) LV over voltage protection (condenser) f) Oil over pressure, vent with electrical signal
Quantity: 2 Nos
Note : Tender to inform along with quotation for the following information :
i) No load loss
ii Load losses
iii) Core & coil weight
iv) Oil weight
v) Dimension L X B X H
vi) Transport dimension
Ladel Furnace Transformer:
The specification generally same as Arc Furnace Transformer
except the following, which will be as below :
a) Rated power: 16 MVA
b) Rated primary voltage: 33KV 3PH 50 Hz
c) Rated secondary voltage: 350, 330, 310, 290 const MVA
270, 250, 230, 210, 190 170 voltage
d) Tap charge position: 10
e) Tap charge: On load
f) Secondary: Bus bar terminal
g) Connection: Primary = Delta
Secondary = Open Delta
Balance as per Arc Furnace specification
Qty 2 Nos.