33kv/ 30mva Special Transformer-Electric Arc Furnace Transformer Transformer for Steel Melting Furnace

33kv 30mva Special transformer – Yellow phosphorus furnace transformer

Brief specification

1)       Voltage class: 6~110 KV

2)       Capacity : 630 KVA to 120,000 KVA

3)       Short-circuit impedance : 4.5~21%

4)       Losses : No-load losses is fully comply with IEC standard requirements

35kV Furnace Transformer Technical Parameters

Type    Rated power

(kVA)    Connection

symbol    Primary voltage

(kV)    Secondary Voltage

(v)    Regulation voltage step    Type of taping    short-circuit impedance(%)    No-load loss    On-load loss

HSSPZ-1500/33    1500    Yd11    33    290~157    10    On-load    5.5    2.6    23

HSSP-3200/33    3200    D-Y,d0-11    33    240~138    4    No-load    7    5.3    41.1

HSSPK-3200/33    3200    D-Y,d0-11    33    240~138    5    No-load    18.65    5.3    91.1

HJSSP-5000/33    5000    Yd11    33    212~155    5    No-load    7.5    9.3    55

HJSSP-5500/33    5500    Yd11    33    240~130    6    No-load    7    9.1    52.5

HJSSP-7000/33    7000    Yd11    33    240~140    8    No-load    6.5    9.4    77

HJSSPZ-9000/33    9000    Yd11    33    239~163    9    On-load    8.5    11.6    97

HSSP-9000/33    9000    Yd11    33    320~180    8    No-load    6    11    116

HJSSPZ-10000/33    10000    Yd11    33    260~188    9    On-load    8.5    17.2    187

HSSPZ-10000/33    10000    Yd11    33    300~160    13    On-load    6.5    12    97

HSSPZ-12500/33    12500    Yd11    33    250~150    9    On-load    9    19.7    134

HSSP-12500/33    12500    Yd11    33    340~195    11    No-load    8    13.9    154

HSSP-15000/33    15000    D-Y,d0-11    33    353~160    8    No-load    8    20    107

HSSPZ-16000/33    16000    Yd11    33    375~200    15    On-load    7    16.4    16.1

HJSSPZ-16000/33    16000    Yd11    33    310~190    13    On-load    7    19.2    195.6

HSSPZ-20000/33    20000    Yd11    33    400~270    13    On-load    7    20.7    207.7

HJSSPZ-20000/33    20000    Dd0    33    320~170    11    On-load    6.5    30.4    30.4

HSSPZ-25000/33    25000    Yd11    33    509~302    13    On-load    7.5    28.5    28.5

Winding .

The winding must be especially protected – both against high electrical stress due to

external over voltages and against mechanical overloads by short circuits. They are made of copper or aluminum. Low-voltage windings are made of strip or flat wire while

high voltage windings are manufactured from round or profile wire. (“diamond-dotted paper”) bonds the winding into a compact block

while drying and increases the short-circuit capacity additionally.

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