ZGS11-Z combined transformer -8
ZGS11 series combined transformer (also known as American box-type transformer substation) refers to install the high-voltage load switch, plug-in type fuse and high-voltage current-limiting fuse in the transformer box for insulation and cooling with the mineral oil. It has the advantages of reasonable and compact structure, small volume, flexible installation, convenient operation, small floor area and so on. It is applicable for the load center of urban power network, so as to reduce loss and improve power supply quality.
Model description:
Technical parameters:
Rated capacity (kVA)
Voltage combination
Connection unit symbol
No-load loss (kW)
Load loss (kW)
Short-circuit impedance (％)
No-load current (％)
High-voltage KV
Tapping ％
Low-voltage (kV)
200
10
±2×2.5
0.4
Yyn0 or Dyn11
335
2600
4
0.6
250
390
3050
0.5
315
465
3650
0.45
400
560
4300
0.4
500
670
5100
0.4
630
840
6200
4.5
0.4
800
980
7500
0.4
1000
1190
10300
0.4
Rated capacity (kVA)
Weight (kg)
External dimensions (mm)
High-voltage wiring mode
Machine weight
Oil weight
Total weight
L×W×H
200
601
733
1894
1865×1240×1735
Loop-network type (H) or terminal type (Z)
250
716
749
2060
1865×1280×1735
315
835
733
2148
1865×1730×1735
400
1006
729
2375
1865×1440×1805
500
1156
747
2603
1865×1450×1805
630
1295
757
2826
1865×1450×1860
800
1521
872
3357
1865×1495×1860
1000
1634
970
3704
1865×1510×1860
1. Small volume, compact structure and convenient installation.
2. Fully-sealed and fully-insulated structure, which can guarantee personnel safety;
3. It can be used for the ring network as well as the terminal. Conversion is convenient, and reliability of power supply is improved.
4. Low loss, low noise and superior performance.
5. The cable joint has the plug-in type, which has the features of the isolating switch, convenient and flexible operation.
6. High-voltage double-fuse protection. The plug type fuse has temperature and current double sensitive protection feature.
7. The backup fuse protects transformer failure and secondary line failure.
8. Anti-theft structure is adopted for the box.
9. Low temperature rise and strong overload capacity.
10. The transformer has the special structure, and the outstanding advantages are high voltage quality and small neutral point offset.
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