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Combined Substation

Basic Info

Model No.:  YBT13-24

Product Description

Model NO.: YBT13-24

Structure: Protection

Form: All- packaged Type

Size: 3 Uint

Shell Material: Aluminum Alloy

Brand: Tianan

Test Equipment: IEC Standard

Trademark: Tianan

Origin: China

Type: Power

Certification: ISO9001:2000, CCC

Operation Voltage: High Voltage

Application Range: Power Plants

Shell Protection Grade: IP56

Tap Changer: Regulate The Output Voltage

Frequency: 50Hz

Specification: IEC60076-1, IEC60076-2, IEC60076-5

HS Code: 8535210000

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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