66/22kV 30MVA Power Transformer
Standard
IEC 60076, ANSI / IEEE C57, SPLN, ISO 9001:2015, ISO 14001:2015,
ISO 45001:2018, ISO 17025:2017
Warranty
24 months after commissioning
Lead Time
12 Months
TESTING
Routine Tests
- Winding resistance measurement
- Voltage ratio (TTR) test
- Vector group verification
- No-load loss measurement
- Load loss measurement
- Short-circuit impedance measurement
- Applied voltage withstand test
- Induced voltage withstand test
- Insulation resistance measurement
- Oil dielectric strength test
- Leakage and pressure test
Type Tests
- Lightning impulse test
- Temperature rise test
- Sound level measurement
- Short-circuit withstand verification
Special Tests (Optional)
- Partial discharge measurement
- Capacitance and Tan Delta
- Frequency Response Analysis (FRA)
- Dissolved Gas Analysis (DGA)
- OLTC operational testing
- Third-party witness testing
Product Features
High Reliability
- Designed for utility substation applications.
- Proven performance in PLN transmission and distribution networks.
- Robust mechanical structure for fault withstand capability.
Efficient Core Design
- High-grade CRGO silicon steel core.
- Reduced no-load losses.
- Optimized magnetic flux density.
Advanced Winding Construction
- High-conductivity copper windings.
- Excellent thermal and short-circuit performance.
- Vacuum drying and oil impregnation process.
Utility-Grade Insulation System
- High dielectric strength oil-paper insulation.
- Long service life.
- Suitable for tropical environments and continuous operation.
On-Load Voltage Regulation
- OLTC-equipped design for maintaining stable 22 kV distribution voltage.
- Suitable for fluctuating network conditions.
Comprehensive Protection Options
- Buchholz relay
- Pressure relief device
- Oil level indicator
- Winding temperature indicator
- Oil temperature indicator
- Online monitoring options