6kV/10kV/20kV to 0.4kV Transformer Solution for Data Center Projects

Industry Pain Points

Data centers require 7×24h uninterrupted power supply with strict power quality and low PUE requirements. Traditional transformers cannot meet professional data center operation standards:

1. Continuous full/heavy load operation leads to high no-load and running loss, increasing power consumption and failing low PUE targets.

2. Server clusters generate severe harmonic interference and transient impact load, causing voltage fluctuation and hidden equipment faults.

3. Traditional transformers have poor stability and low overload resistance; minor faults may cause downtime and huge economic losses.

4. Indoor data center scenarios demand fireproof, explosion-proof and low-noise performance, while ordinary oil-type products have safety risks.

5. Lack of intelligent real-time monitoring, unable to achieve early warning, failing to match data center high-reliability O&M standards.

Recommended Products (6kV/10kV/20kV to 0.4kV)

We provide high-efficiency, high-reliability, low-loss transformers specially customized for data center scenarios:

Data Center Dry-Type Transformer (Core Model)

Models: SCB13, SCB20 series (6kV/10kV/20kV to 0.4kV, 50kVA–1600kVA)

Oil-free, fireproof, explosion-proof, low noise, low harmonic, high overload capacity, IP54 protection grade. Suitable for indoor data center machine rooms, perfectly matching high safety and stable power supply demands.

Data Center Oil-Immersed Transformer

Models: S13-M, S20-M series (6kV/10kV/20kV to 0.4kV, 50kVA–2500kVA)

Ultra-low loss, fully sealed, high stability and strong overload resistance. Applied to outdoor supporting power distribution of large-scale data center parks.

Intelligent Monitoring Module

Supports real-time monitoring of temperature, load, harmonics and faults, realizing early warning and unattended intelligent operation for data center power systems.

Technical Solution

Adopt ultra-low loss + high stability + harmonic suppression + full safety protection + intelligent O&M data center dedicated solution:

Adopt high-grade silicon steel sheet and pure copper winding to minimize operating loss, reduce overall PUE and meet data center energy-saving standards.

Optimize anti-impact and anti-harmonic design, effectively filter server harmonic interference, stabilize 0.4kV output voltage, and guarantee power supply quality.

Enhance insulation and heat dissipation structure, support long-term continuous heavy-load operation, and improve equipment operation reliability.

Full fireproof and closed structure design, zero safety hazards, compliant with data center indoor fire protection and environmental requirements.

Standard 6kV/10kV/20kV to 0.4kV voltage ratio design, supporting modular rapid deployment and redundant power distribution configuration.

Project Cases

4.1 Large Cloud Data Center (20kV/0.4kV)

Applied Model: SCB20-1250kVA 20kV/0.4kV dry-type transformer. Ultra-low loss and low harmonic performance reduce PUE effectively. 7×24h stable operation ensures zero power failure of server clusters.

4.2 IDC Computer Room Project (10kV/0.4kV)

Applied Model: SCB13-800kVA 10kV/0.4kV indoor dedicated transformer. Low noise and fireproof design meet indoor machine room standards, improving power supply stability and reducing equipment failure rate.

4.3 Data Center Park Outdoor Distribution (6kV/0.4kV)

Applied Model: S20-M-1000kVA 6kV/0.4kV low-loss oil-immersed transformer. Adapts to outdoor long-term heavy-load operation, reduces energy consumption and ensures reliable park power distribution.

Installation Environment Description

This series of data center dedicated transformers adapt to professional IDC operation scenarios:

Applicable altitude ≤2000m, working temperature: -20℃ ~ +45℃, suitable for long-term constant-temperature indoor operation of machine rooms.

Dry-type transformers are mainly used for indoor closed machine rooms, featuring fireproof, dust-proof, low noise and no pollution.

Oil-immersed transformers apply to outdoor independent power distribution areas of data center parks, with rain-proof and high-temperature resistance.

Compact structure, small floor space, adapting to data center’s high space utilization requirements, easy for modular layout and redundant backup deployment.

Cost Saving Analysis

1. Energy Cost Saving: Ultra-low loss design reduces transformer energy loss by 35%-45%, effectively lowering overall PUE and long-term data center electricity operation costs.

2. Operation Risk Saving: High stability and anti-fault design avoid huge economic losses caused by power failure and data downtime, greatly improving operational safety.

3. O&M Cost Saving: Intelligent real-time monitoring realizes early fault warning, reduces manual inspection workload, and saves more than 30% of annual maintenance costs.

4. Life cycle Benefit: 25-year long service life reduces equipment replacement frequency. Standardized models lower procurement and spare parts costs, achieving long-term low-cost and high-efficiency operation.

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