>400kVA Rang
HET 450kVA/6kV Exciter Transformer - High-Current Variable Frequency Solution
The HET 450kVA/6kV Exciter Transformer is engineered for demanding high-current testing applications, featuring wide frequency range (50-300Hz), 900A low-voltage capacity, and robust electrostatic shielding for precision measurements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Capacity | 450kVA |
| HV Winding Voltage | 6kV |
| HV Winding Current | 75A |
| Frequency Range | 50-300Hz |
| LV Winding Voltage | 450V/500V/550V |
| LV Winding Current | 900A |
| Cooling Method | ONAN (Oil Natural Air Natural) |
| Insulation Class | Grade A (25# transformer oil) |
| Temperature Rise | Winding ≤65K, Oil ≤55K (60min @100% load) |
| Noise Level | <60dB |
| Impedance Voltage | ≤5% |
Advanced Design Features
Core & Winding Technology
Premium Core Material: D0130-30 cold-rolled silicon steel (ultra-low Bm value)
High-Current LV Winding: 900A capacity with multiple voltage taps (450V/500V/550V)
Electrostatic Shielding: Isolation filter between LV/HV windings
Monitoring & Protection
Integrated Measurement: HV-side voltage measurement coil
Oil Management System:
Expansion tank with moisture absorber
Temperature and level indicators
Structural Advantages
Shell-Type Construction: Oil-immersed design with transport-safe components
Copper Conductors: Low-resistance connections for 900A current
Partial Discharge Control: Safe winding distances eliminate corona
Performance Benefits
Variable Frequency
50-300Hz range for specialized test protocols
High Current Capacity
900A LV current
Related PRODUCTS
-
HET 900kVA Dual-Voltage Exciter Transformer (5.9kV/11.8kV) - 20-300Hz Variable Frequency
-
HET 750kVA Variable Frequency Exciter Transformer (25-400Hz) - Multi-Tap HV Test Solution
-
HET 600kVA/35kV Multi-Tap Mobile Test Transformer - Corona-Free Design
-
HET 600kVA/15kV Mobile Exciter Transformer - Corona-Free HV Testing Solutio
-
HET 600kVA Variable Frequency Exciter Transformer - Multi-Tap HV Testing Solution
-
HET 500kVA Exciter Transformer Technical Specifications & Safety Features
-
HET 500kVA/50kV Exciter Transformer | Triple-Range Testing (5-50kV) with <5pC Partial Discharge
-
HET 500kVA/25kV Exciter Transformer | Triple-Tap Testing (3-25kV) with <5pC Partial Discharge
-
HET 450kVA/6kV Exciter Transformer | 50-300Hz Variable Frequency Testing with 900A LV Current