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ZGS11-12 Combined transformer station (American transformer)

ZGS11Series combined transformer is a domestic and American box transformer launched by our company. Since its successful research and development, the company has carefully built for many years. As an important power supply unit in urban and rural distribution network, this product is a power transformation and distribution product integrating high-voltage control substation and distribution equipment, which is widely used in urban and rural distribution network.
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Product overview
Zgs11 series combined transformer is a domestic and American box transformer launched by our company. Since its successful research and development, the company has carefully built for many years. As an important power supply unit in urban and rural distribution network, this product is a power transformation and distribution product integrating high-voltage control substation and distribution equipment, which is widely used in urban and rural distribution network.
The product places the high-voltage load switch and high-voltage fuse in the pressure regulator oil, and has two structural forms of transformer body: common box or sub box. The oil tank adopts a fully sealed structure and is equipped with oil temperature gauge, oil level gauge, pressure gauge, pressure relief valve, oil drain valve and other components to monitor the operation of the transformer. The product is divided into ring network type, terminal type and dual power supply mode.

 

Model meaning

ZG

S

11

Z(H)

10

"Group" and "common" box type transformers Three-phase Performance level code High voltage wiring scheme; Z is the terminal and H is the ring network

Capacity(KVA)

High voltage level(KV)

 

Working conditions
◊ ambient temperature: maximum temperature + 40 ° C, minimum temperature - 30 ° C;
◊ altitude: ≤ 1000m;
◊equivalent to wind speed: not more than 700pa / S;
◊ humidity: average daily relative humidity < 95%; Average monthly relative humidity < 95%;
◊ shockproof: the horizontal acceleration shall not be greater than 0.4m/s2, and the vertical acceleration shall not be greater than 0.15m/s2;
◊ inclination of installation site: no more than 3 °;
◊ installation environment: the surrounding air is not obviously polluted by corrosive and combustible gases, and there is no violent vibration at the installation site.

 

Technical parameter

Project Company Parameter
Rated voltage

kV

10/0.4(HV / LV)

Maximum operating voltage

kV

12(high pressure side)

Rated frequency

Hz

50

Rated capacity

kVA

50-1600

1 minute power frequency withstand voltage

kV

35

Lightning impulse voltage

kV

75

Cooling mode  

油浸自冷

Breaking current of high voltage backup fuse

kA

50

Breaking current of plug-in fuse

kA

2.5

Ambient temperature

°C

-35〜+40

Allowable temperature rise of coil

°C

65

No load voltage regulation  

±5%Or ±2X2.5%

Noise level

db

50

Degree of protection  

IP43

 

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