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Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems
Place of Origin:
China
Brand Name:
CHIPSEN
Certification:
UL/cUL Class B/F/H, VDE, CQC
Model Number:
EI450
Minimum Order Quantity:
100
Price:
＄183.5-399.8/pieces
Delivery Time:
7-14 work days (Negotiable)
Payment Terms:
T/T
Supply Ability:
10000pcs
Inquiry Now
Get A Quote
Specifications
Highlight Features
EI450 Three Phase Transformer
,High Power Three Phase Transformer
,Robust 3 phase current transformer
Enclosure Type:
Open Frame
Winding Material:
Copper Wire
Output Current:
300A
Primary Voltage:
220/380/440/550V
Protection Rating:
IP21
Insulation Class:
F Class
Product Description
Robust High Power EI450 Three Phase Transformer Stable Efficient Power Systems
The EI450 is a large customizable three-phase low-frequency transformer platform for industrial power conversion, isolation, and auxiliary distribution. The platform supports stable, efficient power systems across various industrial applications.
Application Reference Ranges
The following ranges are common international buyer inquiry references for early engineering discussion only. Final specifications must be confirmed in the approved drawing and specification.
| Industry or Equipment | Typical Transformer Function | Reference Primary Voltage | Reference Secondary Voltage | Reference Capacity Inquiry | Frequency | Key Customization Priorities |
|---|---|---|---|---|---|---|
| Industrial automation | Main control power isolation and auxiliary distribution | 200–690 V AC three phase | 24–480 V AC three phase or multiple auxiliary outputs | 10–300 kVA | 50 or 60 Hz | Vector group, regulation, impedance, inrush, phase balance, temperature rise, terminals, cabinet integration |
| Control cabinets and switchgear | Voltage conversion for control power, contactors, relays, cooling circuits | 208–600 V AC three phase | 24–480 V AC | 5–200 kVA | 50 or 60 Hz | Multiple taps, neutral arrangement, protective devices, busbars, electrostatic shield, low no-load loss |
| Emergency power and UPS | Auxiliary distribution, bypass-related isolation, rectifier input | 208–480 V AC three phase | 120–480 V AC three phase | 10–300 kVA | 50 or 60 Hz | Impedance, inrush, harmonics, standby loss, dielectric strength, thermal margin, generator compatibility |
| Battery energy storage and PCS | PCS cabinet auxiliary transformer, service power, subsystem isolation | 380–690 V AC three phase | 208–480 V AC three phase | 10–300 kVA | 50 or 60 Hz | Harmonic loading, phase balance, wide voltage tolerance, temperature monitoring, shield, traceability |
| EV charging infrastructure | Charger auxiliary distribution, rectifier interface, service power conversion | 380–690 V AC three phase | 208–480 V AC three phase | 10–300 kVA | 50 or 60 Hz | Efficiency, impedance, surge environment, insulation, thermal cycling, terminals, enclosure integration |
Product Overview
The EI450 is a large three-phase laminated-core transformer platform for industrial voltage conversion, galvanic isolation, auxiliary distribution, control power, emergency-power equipment, energy storage, charging infrastructure, motor-drive systems, and other 50 Hz or 60 Hz applications.
The image shows a substantial open-frame assembly with laminated silicon-steel magnetic material, copper windings wrapped with yellow insulating tape, heavy electrical connections, mechanical clamping parts, and a rigid steel frame consistent with three-phase transformer construction.
Construction Details
| Construction Item | EI450 Customization Reference |
|---|---|
| Magnetic platform | Large three-limb laminated silicon-steel core structure with EI450 geometry |
| Lamination material | Silicon-steel grade and thickness selected for optimal performance |
| Three-phase winding arrangement | Three phase windings visible; exact assignments require approved wiring diagram |
| Primary winding | Star, delta, zigzag, tapped dual-voltage or other approved configuration |
| Secondary winding | Star, delta, zigzag, multiple-output or customer-specific arrangement |
| Copper winding | Copper conductors selected for current density, losses, regulation and thermal performance |
| Insulation wrapping | Yellow insulating tape visible; material and thermal class defined by approved system |
| Electrostatic shield | Optional primary-to-secondary shield with dedicated grounding connection |
| Thermal monitoring | Optional thermostats, thermistors, RTDs or other temperature sensors |
| Steel frame | Rigid steel frame customizable for load support, mounting, lifting points and integration |
Key Characteristics
- Three Phase Power Conversion: Supports step-up, step-down, or isolation service with customizable voltage and current specifications
- Custom Vector Group and Neutral: Star, delta, zigzag and other technically suitable winding connections
- Industrial Capacity Platform: Large laminated core and copper winding area support higher-power industrial applications
- Voltage Tap Flexibility: Off-circuit primary or secondary taps for supply variation compensation
- Controlled Impedance and Regulation: Customizable through winding geometry and magnetic construction
- Loss and Efficiency Optimization: Balanced design for no-load loss, load loss, efficiency, temperature rise and cost
- Thermal Monitoring and Protection: Optional sensors for winding and core temperature monitoring
- Robust Mechanical Integration: Customizable frame dimensions, mounting, lifting points and service clearances
- Noise and Vibration Control: Optimized design for acoustic performance under operating conditions
Applications
- Large industrial automation systems
- Main control cabinets and electrical panels
- Production machinery and process equipment
- Emergency-power and UPS systems
- Battery energy-storage and PCS cabinets
- EV charging stations and charger power systems
- Industrial drives and motor-control equipment
- HVAC chillers, pumps, fans and building systems
- Industrial rectifiers, battery chargers and DC power systems
- Solar, wind and distributed-energy equipment
- Factory test benches and laboratory power systems
- Step-up, step-down and one-to-one isolation applications
- Three-phase auxiliary distribution
- High-power machine-tool electrical systems
- Custom OEM industrial equipment
Quality Control
- Incoming Material Inspection: Comprehensive controls for all components and materials
- Engineering and First Article Review: Design verification of all electrical and mechanical parameters
- In Process Control: Process checks throughout manufacturing
- Electrical Testing: Comprehensive testing including winding resistance, turns ratio, polarity, insulation resistance and dielectric strength
- Thermal and Reliability Evaluation: Sample validation for temperature rise, overload duty and environmental conditions
- Mechanical Inspection: Dimensional verification and workmanship standards
- Traceability and Change Control: Complete documentation and control of all processes
Why Choose Chipsen
- Application Specific Customization: Tailored designs for voltage, kVA, frequency, vector group and other requirements
- Drawing and Sample Based Development: Support for replacement or second-source evaluation
- Three Phase Engineering Review: Comprehensive technical discussions and validation
- Prototype and First Article Support: Evaluation units developed after specification confirmation
- Mechanical Integration Support: Customizable frames, mounting, terminals and enclosure interfaces
- Controlled Specification Process: Consistent manufacturing based on approved documentation
- OEM and ODM Cooperation: Custom configurations for specific project requirements
Frequently Asked Questions
Does EI450 define a fixed kVA rating?
No. EI450 identifies an approximate magnetic platform. Capacity depends on core cross-section, frequency, conductor area, cooling, and temperature-rise limits.
No. EI450 identifies an approximate magnetic platform. Capacity depends on core cross-section, frequency, conductor area, cooling, and temperature-rise limits.
Is EI450 a three phase transformer?
The supplied image and visible three-winding structure are consistent with a three-phase assembly. Final configuration must be confirmed by approved wiring diagram.
The supplied image and visible three-winding structure are consistent with a three-phase assembly. Final configuration must be confirmed by approved wiring diagram.
Can the vector group be customized?
Yes. Star, delta, zigzag, and other suitable connections may be considered. Required vector designation and terminal marking must be specified.
Yes. Star, delta, zigzag, and other suitable connections may be considered. Required vector designation and terminal marking must be specified.
Can EI450 operate at both 50 Hz and 60 Hz?
A dual-frequency design can be developed and validated. 50 Hz generally imposes more demanding magnetic conditions than 60 Hz.
A dual-frequency design can be developed and validated. 50 Hz generally imposes more demanding magnetic conditions than 60 Hz.
Can voltage taps be added?
Yes. Off-circuit primary or secondary taps may be developed where winding space, insulation, and regulation permit.
Yes. Off-circuit primary or secondary taps may be developed where winding space, insulation, and regulation permit.
Important Note: The EI450 platform does not define fixed kVA rating, voltage, current, vector group, impedance, insulation, thermal performance, dimensions, or certification status. Final performance is confirmed only through approved drawing, electrical specification, material system, test plan, and customer validation.
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