69~ 220KV Electric Power Transmission Arc Furnace Transformer
There are many kinds of electric furnaces,so there are many kinds of electric furnace transformers cooperating with them.Now,our company manufactures following electric furnace transformers:electric furnace transformers used in steelelectric furnaces(including on-laod,no-load and enclosed reactor) ; mineral hot furnace transformers used to smelt kinds of iron alloys,hydrosilicons,carbides,etc(single phase,three phases on-load and no-load tap changer).They are low loss and energy-saving products.Cooling methods are self-cooling, forced oil water cooling, etc.It can be designed specially according with customers' requirements.
The model of the electric furnace transformer is expressed as follows:
The meaning of model:
H--Steelmaking arc furnace
HJ--ladle furnace,HZ--electro-slag furnace
HC--calcium carbide furnace
HK--mineral hot furnace,
HG--line frequency induction furnace;
Number of phase:D--single phase,S--three phase;
Types of cooling device :ONAN,wind cooling F,water cooling S.
The methods of oil circulation:natural circulation,forced oilcirculation P.
Tap changer:off-circuit tap changer,OLTC Z.
Main function and characteristic:
Connection Symbol: D-Y,d0-11
Primary Voltage(kV): 10
Secondary Voltage(V): 220-110
Regulation Voltage Step: 5
Type of tapping: Off-circuit power driven
Short-circuit Impedance(%): 19/9
No-load Loss(kw): 5.2
On-load Loss(kw): 26.2
Weight(Ton): Active Part 5.09 Oil 3.79 Transportion 11.8 Total 11.8
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