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Model No.:  ZBW 1-12

Product Description

Model NO.: ZBW 1-12 Trademark: ville Origin: China Combined Transformer Substation: 6~104kv,AC 50Hz Power Transmission and Distributio Specification: IEC HS Code: 85

Product Description
Transformer Substation 
1.High quality High voltage room. 
2.Excellent forced-air cooling system. 
3.Strong tank protection.
compact Substation/ Transformer Substation  Product Description:
Compact substation/Transformer Substation, also called pad-mounted transformer, is a functional and energy saving combined transformer which integrates the high voltage device, low voltage device, transformer and other components.
1.Strong tank protection 
The sealed tank is made from high quality stainless steel with special design which helps to protect the devices and reduce the heat inside.
2.Excellent cooling and drying system
Temperature control system and humidity control system are installed. When the temperature or humidity reaches certain levels, the systems automatically work to maintain the safe condition inside the tank.
3.Transformer Substation Functional characteristics 
Functional and reliable 
It owns loop or dual Power Supply and terminal power supply two ways of power supply. Therefore, it can serve as a substation. 
4.Lower cost and higher efficiency
It costs less than the traditional distribution house and only covers the area of about 3cbm. 
All the devices are isolated by thick steel board. The efficient insulation system helps to protect the people from electric accident. 

Service condition
1. Altitude: ≤ 1000m (above sea level)
2. Ambient temperature: Max. 40C Min. -25C
Max. Monthly average temperature: ≤ 35C
Max. Yearly average temperature: ≤ 25C
3. Relative humidity: Daily average value≤ 95%, monthly average value≤ 90%
4. Max. Daily difference in temperature: 25C
5. Sunlight intensity: 0.1W/CM2 (wind speed 0.5M/S);
6. Outdoor wind speed: ≤ 35m/s;
7. Pollution grade: Grade III;
8. Rain proof grade: Grade 3;
9. The gradient on installation spot shall be not more than 3° ;
10. Ability of anti-earthquake: Horizontal acceleration of ground surface is 0.2g
Vertical acceleration of ground surface is 0.1g;
11. Installation spot: The spot should has no fire/explosion danger/serious pollution/chemical corrosion and exquisite shake.
Customer should negotiate with manufacturer if the service condition is different from above.

Items Unit Parameters
High Voltage Part Rated voltage kV 12
Rated frequency Hz 50
Rated current of main busbar A 630
1mm power frequency withstand voltage (to earth and between phases/disconnecting fracture) kV 42/48
Lightning impulse withstand voltage (to earth and between phases/disconnecting fracture) kV 75/85
Rated short time withstand current kA/s 25/2
Rated peak withstand current kA 63
Rated short time making current kA 50
Rated transfer current A 1500
Breaking current of fuse kA 31.5         40
Low Voltage Part Rated voltage V 400
Rated current of main circuit A 100-4000
Rated limiting short circuit breaking ability kA 80
Rated operating short circuit breaking ability kA 50 (65)
Rated short time withstand current kA/1s 50 (65)
Branch current, compensating capacity According to requirements of users
Transformer Rated capacity kVA 30-2000
Impedance voltage % 4            4.5
Tapping range % ±2×2.5     ±5
Connection symbol Y, yn0   D, yn11
 Case Protection level of enclosure                      IP23
Sound level   dB                    ≤50

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