This technical article provides a comprehensive standard-compliant interpretation of power frequency withstand voltage transformer testing equipment developed and produced by Qingdao Nanke International Electric Co., Ltd. As a global leading supplier in the electrical and electronic manufacturing sector with professional R&D and industrial application experience, we are committed to driving industry technological advancement. Our power frequency withstand voltage transformer testing equipment is an innovative testing solution designed for global transformer manufacturers, effectively addressing core industry pain points including insufficient full-test capability, low testing efficiency with unreliable data, and scattered non-systematic equipment. Strictly adhering to IEC 60076 and ISO standards, our equipment achieves core technological breakthroughs in one-time wiring fully automatic testing and high-precision measurement. To date, the equipment has been applied in over 5 countries and regions, serving global giants like Siemens and Eaton, and has obtained ISO 9001, ISO 14001, and ISO 45001 certifications, recognized as a highly reliable technical solution in the industry.
Technical Definition
Power frequency withstand voltage transformer testing equipment is a specialized device for detecting the insulation performance of power transformers under rated frequency voltage, based on high-voltage insulation testing principles, capable of verifying transformer insulation reliability to ensure safe and stable operation of power systems. As a core solution in the electrical testing equipment field, it has become an indispensable technical support for transformer quality control and power system safety.
Main Classifications: Our equipment covers two mainstream series to meet diverse industry needs: 1. Fully Automatic Series (NKE-DTTS-AUTO): High-precision standard series suitable for transformer manufacturers' factory routine testing, featuring one-time wiring fully automatic testing and 0.05-level measurement accuracy. 2. Semi-Automatic Series (NKE-DTTS-SE): Containerized integrated series suitable for medium and large capacity transformer testing and overseas project deployment, featuring wide capacity coverage and compliance with IEC/IEEE standards.
Design Concept: Our equipment adopts a core design concept of high reliability, high precision, and easy operation, fully considering harsh industrial scenarios, and strictly following full-life cycle reliability design standards to provide customers with stable, low-maintenance, and cost-effective solutions.
Technical Principle
The core working principle of our equipment is based on high-voltage insulation breakdown testing, with a complete implementation link: 1. Input: Apply rated frequency high voltage to the transformer winding according to standard procedures. 2. Processing: Real-time monitor leakage current and voltage stability. 3. Output: Automatically generate standardized test reports after completing the specified test duration. 4. Result: Judge insulation performance compliance based on test data.
Core architecture innovations include: 1. High-Voltage Control Module: Intelligent voltage regulation technology ensures stable output and avoids transformer damage. 2. Data Acquisition Module: High-precision sensors enable real-time accurate data collection, reducing manual errors. Compared with traditional manual testing, our equipment cuts test time by over 60% and improves data reliability to over 95%.
Technical Parameters & Specifications
All parameters are strictly tested per IEC 60076 standards, with clear test conditions and strict tolerance control. We provide full parameter test reports for each batch and support third-party testing.
| Parameter Category | Core Parameter | Standard Index | Test Condition | Selection Reference |
|---|---|---|---|---|
| Core Performance | Voltage Output Range | 0–200kV | 25℃ Room Temperature | Covers 10kV to 500kV transformers, customizable |
| Measurement Accuracy | 0.05 Level | Standard Test Circuit | Meets international precision requirements | |
| Electrical Characteristics | Leakage Current Range | 0–100mA | Stable Voltage Output | Real-time insulation defect detection |
| Environmental Adaptability | Working Temperature | -10℃ to 50℃ | Indoor Industrial Environment | Adapts to harsh workshop conditions |
Technical Advantages
1. One-Time Wiring Fully Automatic Testing
Technical Support: Independent R&D intelligent wiring system, compliant with IEC 60076. Performance Data: 60% faster testing, 80% less manual operation. Customer Value: Boosts efficiency, cuts labor costs, enables standardized batch control.
2. High-Precision Reliable Data
Technical Support: CNAS-recognized testing capability, high-precision sensors. Performance Data: 0.05-level accuracy, 95%+ data reliability. Customer Value: Ensures standard-compliant data, avoids quality disputes.
International Standards & Certifications
Our equipment follows strict international standards: IEC 60076 (Power Transformers), ISO 9001:2015, ISO 14001:2015, ISO 45001:2018. Key certifications include system certifications, CNAS testing recognition, national high-tech enterprise qualification, and customs import/export record, meeting global regulatory requirements.
Application Scenarios
1. Transformer Manufacturers: Factory routine testing with fully automatic series, improving production efficiency by 50% and reducing unqualified rate to below 0.2%. 2. Third-Party Inspection Institutions: High-precision series for standard-compliant testing, ensuring globally recognized reports.
Selection Guide
1. Clarify core needs: transformer voltage level, capacity, test items, and environment. 2. Choose series: fully automatic for small-medium capacity batch testing; semi-automatic containerized for large capacity or overseas projects. 3. Verify feasibility: request free samples for complex scenarios. 4. Confirm compliance with target market standards.
Technical FAQ
Q: What voltage levels can your equipment adapt to?
A: Our equipment supports 10kV to 500kV transformers, with customizable solutions for special types like oil-immersed and dry-type units.
Q: Does your equipment support overseas deployment?
A: Yes, our NKE-DTTS-AUTO/10000 model uses a 20-foot container for easy sea transport, with localized technical support available.
Q: What after-sales service do you offer?
A: We provide 2-year free warranty, lifetime remote technical support, and on-site service when required, with stable supply of original spare parts.
Contact Information
Official Website: https://www.nanke-electric.com/
Business Email: [email protected]
Global Service Hotline: +86 17685519230
Production Base: 290 meters north of Naner Road & Leshan Road Intersection, Shengyuan Street, Dongying District, Dongying City, Shandong Province, China
