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Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
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Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv
Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv

Sz11three Phase Rectifier Transformer a Step-Down From 20 Kv to 0.4 Kv

Customization: Available
Application: Power, Voltage Transformation
Phase: Three-Phase
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Product Description

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Basic Specifications

Model NO.
SZ11
Core
Core-type Transformer
Cooling Method
Onan
Winding Type
Two-winding Transformer
Certification
ISO9001
Usage
Power Transformer, Distribution Transformer
Frequency
50 Hz / 60 Hz
Input Voltage
35 Kv, 11 Kv, 10 Kv, 33kv, 20kv
Output Voltage
110V, 220V, 380V, 400V, 415 V, 11kv, 440V
Coil Number
3
Three Phase Rectifier Transformer
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Key Features & Advantages

Transformer Detail
  • Fully sealed and maintenance-free: Corrugated tank design eliminates the need for an oil conservator, isolating the transformer from air and moisture.
  • High energy efficiency: Meets GB 20052-2024 Level 1 energy efficiency standards, with no-load and load losses reduced significantly.
  • Robust and durable: Special fastening and impact-resistant structural design, suitable for long-distance transportation.
  • Strong short-circuit resistance: Balanced winding ampere-turn distribution and high mechanical strength.
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Technical Parameters

Rated Capacity10000kVA
Connection Group LabelYd11
No-load Loss7.70kW
Load Loss (at 75℃)47.7kW
No-load Current0.55%
Impedance Voltage5.5%
Overall Dimensions2850×2880×3265mm
Cooling MethodOil-immersed
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Reliability & Safety

  • Stable voltage transformation: Standard 10kV/0.4kV transformation with optional Dyn11 connection.
  • Long service life: Design life exceeding 20 years due to vacuum drying and oil filling processes.
  • Environmental adaptability: Suitable for high altitude, high humidity, and coastal environments.
  • Integrated protection: Includes pressure relief valves and gas relays for safe operation.
Safety Features
Application
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Applications

  • Urban and rural power grid transformation.
  • Industrial and mining enterprise power distribution.
  • Petrochemicals, metallurgy, and port infrastructure.
  • Wind and solar power plant grid connections.
Manufacturing 1
Manufacturing 2
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Frequently Asked Questions

Does it support OEM/ODM customization?
Yes, we support customized services, including parameter adjustments for power, size, input/output voltage, protection level (IP level), and specific working environments.
What technical document support is provided?
English manuals, product certificates, test reports, and wiring diagrams are provided with the goods to assist with installation and customs clearance.
How is technical support handled for international clients?
We provide 24-hour English technical response via email, messaging apps, or online meetings. Engineers can be arranged for on-site support in emergency situations.
What energy efficiency standards do these transformers meet?
Our transformers meet the latest GB 20052-2024 Level 1 energy efficiency standards, ensuring significant reductions in no-load and load losses.
What is the expected service life of the SZ11 series?
With advanced vacuum drying and oil filling processes, the insulation aging is slowed down, allowing for a design life exceeding 20 years under standard operating conditions.
Are these transformers suitable for harsh environments?
Yes, the fully sealed design and robust structure make them ideal for high altitude, high humidity, high pollution, and coastal environments.

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