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Three Phase Dry Type MV & HV Electrical Distribution Transformers 300kVA
Our three-phase dry type distribution transformers are engineered for medium voltage (MV) and high voltage (HV) power networks, delivering reliable and safe electricity distribution for industrial plants, commercial centers, residential complexes, and public facilities.
With available ratings of 300kVA, these transformers are optimized for small to medium-scale loads, ensuring stable operation of equipment including HVAC systems, lighting, pumps, elevators, and production machinery.
The dry type insulation design eliminates the need for oil, providing fire resistance, moisture resistance, and eco-friendly operation. They feature low losses, low noise, and high efficiency, making them suitable for indoor installations in urban or environmentally sensitive areas.
Key Advantages
Safe & Fire-resistant - Resin-cast insulation, no oil leakage or explosion risk
Energy Efficient - Low no-load and load losses, reduced operational costs
Reliable Cooling - Air natural (AN) / Air forced (AF) cooling options
Low Noise - Quiet operation suitable for residential and commercial buildings
Renewable energy projects (solar & wind power integration)
Technical Parameters
Basic Information
1
Manufacture
HENTG Power
2
Country of origin
China
3
Standard on which performance data is based
IEC 60076 / GB
Basic Technical Parameters
1
Type & Model
SCB10-300-13.8/0.22
2
Rated Capacity
300kVA
3
Rated Voltage (HV / LV)
13.8kV/0.22kV
4
Rated Current (HV / LV)
12.55A / 787.3A
5
Voltage Ratio
13.8 / 0.22 kV
6
Tap Changer Range
±2 × 2.5 %
7
Short-Circuit Impedance
4%
8
Vector Group
Dyn11
9
Rated Frequency
60Hz
10
Cooling Method
AN/AF
11
Winding Material
Aluminum
Insulation & Thermal Classes
12
Insulation Level
Class F
a
High-Voltage Side
Lightning Impulse Withstand (peak)
75kV
Short-Duration Power-Frequency Withstand (r.m.s.)
35kV
b
Low-Voltage Side
Lightning Impulse Withstand (peak)
-
Short-Duration Power-Frequency Withstand (r.m.s.)
3kV
Losses, Noise & No-Load Current
13
No-Load Loss
≤880 W ±15%
14
Load Loss
≤3470 W +15%
15
Sound Pressure Level
65 dB(A)
16
No-Load Current
1%
Other Technical Requirements
17
Overall Dimensions (L × W × H)
1010 × 950 × 961 mm (for reference)
18
Estimated Total Mass
About 985kg
Warranty Terms
Warranty Period: HENTG POWER provides a warranty period of 12 months from the date of commissioning or 18 months from the date of shipment, whichever comes first, for the supplied dry type transformers.
Warranty Coverage: During the warranty period, if any failure occurs due to defects in design, manufacturing, or materials, we will provide free replacement parts or repair services (excluding labor, transportation, and other indirect costs).
Exclusions
Damage caused by improper installation, misuse, overload operation, unauthorized modification, or failure to follow the operation manual
Damage caused by force majeure (such as natural disasters, lightning strikes, fire, flood, etc.)
Damage caused by repairs or replacement of parts by the customer without our consent
Warranty Execution: Upon receiving written notice from the customer and confirming the quality issue, we will provide a solution, including technical guidance, replacement of parts, or return-to-factory repair.
