Gas Insulated Test Transformer
HGTS 350KV/250KVA SF6 Gas Insulated Test Transformer
Engineered for high-power industrial testing applications, this 250KVA capacity transformer delivers unmatched flexibility with dual-current output modes and industry-leading partial discharge performance in a maintenance-free SF6 design.
Key Specifications
Rated Capacity: 250KVA (high-power design)
Dual Output Modes: 175KV/1A or 350KV/2A
LV Configuration: 2×0.6KV windings (208.3A each)
Impedance Voltage: ≤8.5% (ultra-efficient)
Partial Discharge: <2pC at rated voltage
Dual-Current Operation System
High-Current Mode (Serial)
Output: 175KV/1A
Ideal for low-impedance load testing
Optimal for extended duration tests
High-Voltage Mode (Parallel)
Output: 350KV/0.714A
Maximum voltage capability
For insulation withstand testing
Unmatched Performance Metrics
Parameter | Specification |
---|---|
Waveform Distortion | ≤3% (≤5% at overload) |
No-load Current | ≤10% |
Continuous Operation | 60 minutes at full rating |
Temperature Rise | <65K at full load |
Overload Capacity | 120% current for 1 minute |
Overvoltage Withstand | 385KV (110%) for 1 minute |
Advanced Insulation System
SF6 gas insulation (maintenance-free)
Fixed insulation cylinder design
Exceptional PD performance (<2pC)
0.6KV MOA protection on exciter
Industrial Applications
Power transformer factory testing
High-voltage cable qualification
GIS (Gas Insulated Switchgear) testing
Utility-scale equipment validation
High-power component research
Technical Superiority
Dual-Current Flexibility: Switch between 1A and 0.714A operation
Extended Operation: 60-minute continuous rating for production testing
Precision Measurement: ≤3% waveform distortion ensures accuracy
High Efficiency: ≤8.5% impedance voltage minimizes energy loss
Industrial Durability: Fixed cylinder design withstands heavy use
Operational Guidance
Monitor SF6 pressure before extended operation
Verify MOA protection system regularly
Allow proper cooling after overload tests
Use appropriate safety gear for 350KV operation