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

How to Measure Transformer No Load Loss Accurately?
Learn how to measure transformer no load loss accurately. Understand instrument accuracy, power analyzer requirements, and best practices using Wrindu test systems.

What is Impact of No Load Loss on Transformer Efficiency?
Discover how no load loss affects transformer efficiency, energy waste, and operating cost. Learn accurate testing with Wrindu for informed efficiency decisions.

What Is the Difference Between No Load Loss and Load Loss?
Compare no load loss vs load loss in transformers, explore their impact on efficiency, and discover how Wrindu testers help measure losses accurately on-site and in the lab.

Why Does No Load Loss Occur Even Without Load?
Learn why no load loss occurs in transformers due to magnetic hysteresis and eddy current losses, and see how Wrindu testers measure core losses accurately on-site.

What Are the Key Factors Affecting No Load Loss in Transformers?
Explore key factors affecting no load loss in transformers, including core material, flux density, and frequency, with precise measurement solutions from Wrindu.

Do You Know Step-by-Step Procedure of No Load Loss Test?
Wrindu transformer no load loss testers provide accurate, on-site measurement of voltage, current, and power, ensuring reliable, repeatable results for efficiency and core evaluation.

How to Calculate No Load Loss of Transformer?
Learn no load loss calculation of transformer, including formula, rated voltage, test conditions, and practical testing tips to ensure accurate efficiency evaluation.

What Is No Load Loss in a Transformer and Why It Matters?
Learn what no load loss of a transformer is, how it differs from load loss, why utilities care, and how engineers measure it accurately for efficiency and cost control.

