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Author: Ethan Zhang

I am an experienced electrical engineer with over 15 years in power systems, known for my expertise in using advanced testing equipment for infrastructure maintenance and improvement. As a mentor and leader, I guide my team in diverse power projects, focusing on efficiency and safety. My innovative approach and dedication to team development have established me as a respected figure in the engineering community.

Basics of Winding Resistance Testing in the Electrical Power Industry

I. Introduction   A. Definition of Winding Resistance Testing Winding resistance testing is a fundamental diagnostic procedure in the electrical power industry, used primarily to assess the health of transformers and motor windings. It involves measuring the resistance offered by the winding circuits, a key indicator of the condition and integrity of the winding material… Continue reading Basics of Winding Resistance Testing in the Electrical Power Industry

High Voltage Test Equipment: A Professional Insight

The Essence of High Voltage Testing   In my years as a power testing engineer, the significance of high voltage test equipment has been paramount. These tools are not just instruments; they’re guardians of electrical safety and performance.   Choosing the Right Equipment Manufacturers of high voltage test equipment offer an array of options, each… Continue reading High Voltage Test Equipment: A Professional Insight

Unveiling the Mystery: Hipot Testing Explained

Introduction   Hipot Testing: A Critical Tool in the Electric Power Industry Welcome to our comprehensive guide on Hipot Testing, an indispensable procedure in the electric power industry. As an electrical testing expert, I’ve seen firsthand how Hipot Testing plays a crucial role in ensuring the safety and reliability of electrical equipment. This article aims… Continue reading Unveiling the Mystery: Hipot Testing Explained

Transformer Turn Ratio Testing: Precision and Efficiency

In power system testing, precision is paramount. With years of experience in this field, I recognize the critical role of accurate equipment in maintaining system integrity. The Transformer Turn Ratio Test Equipment stands out as a prime example of technological precision in transformer testing.   Core Functionality Our transformer Turn Ratio Test device is designed… Continue reading Transformer Turn Ratio Testing: Precision and Efficiency

Navigating High Voltage Transformer Testing: Insights from an Experienced Power Testing Expert

Principles of Frequency Withstand Test Equipment In the realm of high voltage transformer testing, understanding the working principles of Frequency Withstand Test Equipment is crucial. This equipment is typically a single-phase transformer with connection group I. I. Utilizing a frequency of 220V (or 380V for capacities above 10kVA), the power supply is connected to the… Continue reading Navigating High Voltage Transformer Testing: Insights from an Experienced Power Testing Expert

Unveiling the Series Resonant Frequency Test Systems: Technical Specifications and Applications

In the realm of electrical testing, the series of resonant frequency test systems represents a significant leap forward. Designed for efficiency and versatility, these systems are tailored for a wide range of high-voltage testing applications. Let’s explore the technical specifications and practical applications of three key models in the series: 108/108, 216/216, and 270/270.  … Continue reading Unveiling the Series Resonant Frequency Test Systems: Technical Specifications and Applications

Advancements in Electrical Testing: Embracing Series Resonance Systems

The Evolution of Electrical Testing In the dynamic landscape of electrical power systems, the transition from oil-paper insulated power cables to cross-linked polyethylene (XLPE) insulated cables marks a significant technological advancement. However, the testing methodologies for these modern cables have presented unique challenges, specifically in the realm of withstand voltage testing prior to commissioning.  … Continue reading Advancements in Electrical Testing: Embracing Series Resonance Systems

Mastering AC Withstand Voltage Testing with an AC Resonant Test System

The Significance of AC Withstand Voltage Testing In the critical landscape of electrical engineering, AC withstand voltage testing plays an indispensable role. This test, particularly when executed using an AC Resonant Test System, is essential for verifying the electrical insulation strength of power equipment under alternating current stress. Our recent project, involving this sophisticated testing… Continue reading Mastering AC Withstand Voltage Testing with an AC Resonant Test System

Warm after-sales service and provide customers with acceptance and training

Recently, old customers purchased another batch of safety equipment from our company. This time, the customer sent us a request for after-sales service after receiving the equipment. After receiving the notice, we immediately dispatched professional technicians to the customer’s location for acceptance, on-site debugging, and training services. On the second day after the equipment arrived,… Continue reading Warm after-sales service and provide customers with acceptance and training

Excellence in Power Engineering: A Showcase of Technical Proficiency and Advanced Tools

A Commitment to Quality and Precision Our latest power engineering project exemplifies technical excellence and professional commitment. The project involved comprehensive voltage withstand tests on 35kV switch cabinets, 35kV bus ducts (pipe mother), grounding transformers, station transformers, and four critical power cables. These tests were crucial to ensure the safety and reliability of the electrical… Continue reading Excellence in Power Engineering: A Showcase of Technical Proficiency and Advanced Tools

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Specializing in high voltage testing, Sansion delivers top-tier, customized solutions for the safety and efficiency of your electrical systems.

HV Hipot Testing

Tansformer Testing

Circuit Breaker Testing

Relay and protection testing

Cable fault location testing

Partial discharge testing