Professional Electrical Testing and Substation Services in the Philippines
Ensuring Safe and Reliable High-Voltage Electrical Systems
Hyojeong Power3 Construction Corp. provides professional electrical testing and substation services in the Philippines, specializing in transformer testing, SF6 gas analysis, grounding system integrity testing, and high-voltage equipment commissioning.
Electrical testing plays a critical role in ensuring power system safety, reliability, and efficiency. Without proper testing and commissioning, high-voltage equipment may fail, leading to outages and costly repairs.
Comprehensive Transformer Testing and Commissioning

Our company offers complete power transformer installation, testing, and commissioning services in the Philippines, including:
- Transformer winding resistance testing
- Transformer turns ratio testing
- Insulation resistance testing
- SFRA testing
- Dielectric testing
- Power factor testing
We also perform DGA (Dissolved Gas Analysis) and online oil regeneration to ensure transformer longevity and performance.
With advanced diagnostic tools and experienced technicians, we help prevent equipment failure and extend asset lifespan.
Substation and High-Voltage Equipment Testing
Hyojeong Power3 Construction Corp. has conducted major testing projects such as:
- SF6 gas leakage testing of 230kV GIS circuit breakers
- Electrical testing of 75MVA transformers
- Secondary electrical works for control, protection, and metering systems
- Ground resistance measurement and thermal scanning
Our expertise in high-voltage substation testing services in the Philippines ensures compliance with grid standards and operational safety.
Advanced Tools and Technology
We utilize industry-grade equipment including:
- High-voltage insulation resistance testers
- CT/PT analyzers
- VLF power cable testers
- Universal relay testers
- Infrared thermal scanners
- SF6 gas handling and analysis equipment
These tools allow accurate diagnostics and reliable commissioning of electrical systems.
Supporting Renewable and Industrial Energy Projects
We also support solar power projects and renewable energy systems through testing, commissioning, and PV system integration.
Our involvement in residential PV solar installations and large-scale renewable projects demonstrates our commitment to supporting sustainable energy development in the Philippines.
For businesses and government agencies looking for reliable electrical testing and substation services in the Philippines, Hyojeong Power3 Construction Corp. ensures technical precision and professional service.

