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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.

Technical parameters
External dimensions of the product
Features

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 (％)
Rated capacity (kVA)	High-voltage KV	Tapping ％	Low-voltage (kV)	Connection unit symbol	No-load loss (kW)	Load loss (kW)	Short-circuit impedance (％)	No-load current (％)
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
Rated capacity (kVA)	Machine weight	Oil weight	Total weight	L×W×H	High-voltage wiring mode
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.