About us
WRINDU is a world-renowned brand specializing in high-voltage power testing equipment.
- Specialized high-voltage power testing equipment
- ISO9001/IEC/CE certified for global market access
- Served 30+ countries with landmark project experience
- Efficient global logistics via Shanghai Port & “Belt and Road” synergy
- Customized solutions for power system safety & efficiency
What Are the Best Practices for Modern Microprocessor Relays Tan Delta Tests?
Learn the best practices for Tan Delta Tests on microprocessor relays. Ensure accuracy with compatible testers, check relay specs, and focus on data logging and repeatability.
How Does a High-Quality Tester Improve Tan Delta Test Accuracy?
Discover how high-quality testers, like the Wrindu Tan Delta Tester, improve Tan Delta Test accuracy with DSP & FPGA designs, low-noise amplifiers, and precision DACs.
How Does Tan Delta Testing Compare to Insulation Resistance Testing?
Compare Tan Delta Testing and Insulation Resistance Testing. Learn how each test works, their use cases, and why Tan Delta is more sensitive to insulation aging.
Why Is a Guard Wire Used in Tan Delta Testing?
Learn why a guard wire is essential in Tan Delta testing. Discover how it bypasses surface leakage, improves accuracy, and when to use it for reliable transformer testing.
How Do You Prepare Cables for a Tan Delta Test?
Learn how to prepare cables for a Tan Delta Test of Transformer. Clean cable ends, ensure proper connections, check insulation, and perform safety checks for accurate results.
What Are the Common Mistakes in Field Tan Delta Testing?
Learn the common mistakes in field Tan Delta testing, such as poor cable prep, improper grounding, ignoring temperature compensation, and misreading results.
How Do Temperature and Humidity Affect Tan Delta Measurements?
Learn how temperature and humidity affect Tan Delta measurements in transformers. Discover tips for accurate testing and how Wrindu Tan Delta Tester compensates for environmental factors.
Why Do Short and Long Cables Show Different Tan Delta Results?
Learn why short and long cables show different Tan Delta results. Explore the effects of capacitance, leakage, and surface contamination, and how Wrindu Tan Delta Tester ensures accurate readings.