10 kV and 6 kV 630kVA Power Transformer

Primary Voltage Ratings: 10kV, 6kV
Secondary Voltage Ratings: 400V
H.V. TAP RANGE: ±2 x 2.5%
CONNECTION TYPE: DYn11
TYPE: hermetic tank
Standards: IEC
Application: Distribution system
Power Rating: 630 kVA
Certificate: CE
Cooling Method: ONAN

Our 630 kVA power transformers, available in 6 kV and 10 kV high-voltage versions, are designed for European markets with strict IEC and EN standards. These hermetic, oil-immersed transformers feature high efficiency, low operational costs, and reduced carbon emissions, meeting EU Tier 2 requirements. Key features include ±2 x 2.5% voltage regulation, ≤60 dB noise level, and a 24-month warranty. Ideal for industrial and commercial applications, these transformers offer durability and compliance with international quality standards.

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630kVA Power Transformer Key Specifications

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Rated Power: 630 kVA
High Voltage Ratings: 6 kV and 10 kV
Low Voltage Rating: 0.4 kV
Connection Group: D/Yn11
Cooling Type: ONAN (Oil Natural Air Natural)
Temperature Range: -45°C to +40°C
Altitude: Up to 1000 meters above sea level
Insulation Class: 50 Hz

Daelim Transformer CE Certificate

Our 630 kVA power transformers are meticulously designed to meet the rigorous standards of the European market, delivering exceptional performance and reliability. Available in two high-voltage variants—6 kV and 10 kV—these transformers cater to diverse operational requirements while adhering to the stringent IEC and EN standards. Each unit is engineered to enhance energy efficiency, reduce carbon emissions, and provide superior economic benefits throughout its lifecycle.

High-Voltage Transformer (6 kV):

SC Voltage: 5%
Short Circuit Current and Duration: 25 x In / 2 kA/s
MV Winding Test Voltage: 60 kV
Industrial Frequency Test Voltage for MV Winding (1 min): 25 kV
Industrial Frequency Test Voltage for LV Winding (1 min): 5 kV
Full-Pulse Test Voltage of External Insulation Atmospheric Discharges: 60 kV
Insulation Test Voltage (Dry State, 1 min): 32 kV
Insulation Test Voltage (Under Rain, 1 min): 20 kV
Drain Line: 192 mm

High-Voltage Transformer (10 kV):

SC Voltage: 5%
Short Circuit Current and Duration: 25 x In / 2 kA/s
MV Winding Test Voltage: 75 kV
Industrial Frequency Test Voltage for MV Winding (1 min): 35 kV
Industrial Frequency Test Voltage for LV Winding (1 min): 5 kV
Full-Pulse Test Voltage of External Insulation Atmospheric Discharges: 75 kV
Insulation Test Voltage (Dry State, 1 min): 42 kV
Insulation Test Voltage (Under Rain, 1 min): 28 kV
Drain Line: 192 mm

Efficiency and Performance:

Idling Losses: ≤800 W
Short Circuit Losses: ≤6750 W
Noise Level: ≤60 dB
Voltage Regulation: ±2 x 2.5%

Construction and Compliance:

Tank: Hermetic, sealed oil-immersed structure
Terminals: Porcelain MV/LV
Cooling System: ONAN
Standards Compliance: IEC, EN
EU Tier 2 Efficiency: Meets requirements for reducing carbon emissions and enhancing economic efficiency

Quality Assurance:

Certifications: ISO 9001, ISO 14001
Warranty: 24 months

Features:

Durability: Designed to withstand extreme environmental conditions with reliable performance.
Efficiency: High efficiency with minimal losses and reduced operational costs.
Environmental Impact: Conforms to EU Tier 2 standards, contributing to lower carbon footprint.

Applications:

Ideal for use in various industrial and commercial settings where reliable and efficient power distribution is critical. Perfectly suited for European markets with stringent efficiency and environmental standards.

Contact Us:

For more information on our 630 kVA power transformers or to request a quote, please contact Daelim Transformer team or visit our website. Our experts are here to help you find the best solution for your power distribution needs.