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Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Non-excitation Capacity-regulation Cage Switch

Non-excitation Capacity-regulation Cage Switch


OFF CIRCUIT CAGE TAP CHANGER

                                                                     WSLTX250/10

 CAGE 1.jpgCAGE7.jpg

 

Specific introduction:

 

They are application to the three-phase oil-immersed capacity-regulation transformer with voltage grade of 10KV or less, capacity of 315KVA or less. It can carry out Y- triangle transfer to the high voltage coil, series-parallel connection switching to the low-voltage coil or the switching of the series-parallel connection of the high-voltage and the series-parallel connection of the low-voltage under the condition of non-excitation in order to transfer the capacity of the transformer to perform the function of regulating capacitance and regulating voltage.

 

Technical data:

 

 

 

 

Item No. of the tap changer

  WSLTX250/10

Rated current(A)

250

Rated votage(kV)

10

Rated power(HZ)

50/60

Number of phase 

3

Regulating position 

Terminal

Quantity of tapping heads


Quantity of working position


life times

5000

contact pressure between
 dynamic and static contactor

≤350μΩ

load bearing of short-circuit(KA)

Thermal stabilization
(2S effectitive value)

18.75

dynamic stability
(peak value)

7.65

Dielectric level
(KV)

Rated voltage

20

Power-frequency
 voltage

20

Impulse voltage

55

Temp.-rise limit of contact(k)

≤15

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