This technical article provides a standardized interpretation of transformer testing equipment solutions developed by Qingdao Nanke International Electric Co., Ltd., a leading provider in the electrical equipment manufacturing sector with a professional R&D team and global service network. Our transformer testing solutions are designed for global transformer manufacturers, power grid companies, and third-party testing institutions, effectively addressing industry pain points including low testing efficiency, unreliable data records, and incomplete compliance verification. Strictly adhering to IEC 60076 international standards, our core innovation lies in the one-time wiring fully automated testing technology, which streamlines the entire testing process. To date, our solutions have served over 200 enterprise clients worldwide, been exported to the US, Mexico, Indonesia, and other countries, and gained recognition from international giants like Siemens and Eaton.

Technical Definition
Transformer testing equipment is a category of professional devices designed for quality inspection throughout the entire lifecycle of power transformers, covering electrical performance, insulation status, and mechanical reliability assessments to ensure stable power system operation. Developed based on automated measurement and control technology, our solutions serve as essential technical support for transformer production, grid operation, and maintenance scenarios.
Main Classifications
1. NKE-DTTS-AUTO Series Fully Automated Testing Systems: High-precision standard series with 0.05-level accuracy, applicable for factory routine tests of 500kVA to 10000kVA transformers, featuring one-time wiring and automatic report generation. A containerized model is available for overseas on-site testing.
2. NKE-DTTS-SE Series Semi-Automated Testing Systems: Cost-effective series supporting partial automated tests, applicable for 5000kVA to 30000kVA transformers, with vehicle-mounted options for mobile testing scenarios.
3. Single-Function Testing Devices: Comprehensive coverage of DC resistance testers, oil dielectric strength testers, and ratio testers, suitable for preventive maintenance and fault diagnosis.
Design Philosophy
Our products adopt a core design philosophy of high reliability, precision, and user-friendliness, strictly following full lifecycle reliability standards to adapt to harsh industrial scenarios, providing stable, low-maintenance solutions for global clients.
Technical Principles
The core working principle of our fully automated testing systems is based on integrated automated measurement and control technology, with a complete operational chain as follows: 1. One-time wiring connects all testing modules to the transformer under test; 2. The system automatically calls the preset test scheme and executes all required tests in sequence; 3. High-precision sensors collect and analyze data in real time; 4. A standardized compliance report is generated and exported automatically.
Core Architecture & Innovative Design
1. High-Precision Measurement Module: Equipped with 0.05-level accuracy sensors, ensuring data collection meets IEC standards and reducing manual recording errors.
2. Automated Control Module: One-click operation design eliminates repeated manual wiring, reducing labor intensity and operational risks.
Comparison with Traditional Solutions
Compared to traditional manual testing methods, our solutions achieve key breakthroughs: 1. Replacing repeated wiring with one-time connection, cutting testing time by over 70%; 2. Automating data recording and report generation, eliminating human errors and enabling traceable data management.
Technical Parameters & Standards
All our product parameters are tested strictly in accordance with IEC 60076 standards, with clear testing conditions and tolerance controls. We provide full parameter test reports for each batch and support third-party authoritative testing.
| Parameter Category | Core Parameter | Standard Index | Testing Condition | Selection Reference |
|---|---|---|---|---|
| Core Measurement Performance | Measurement Accuracy | 0.05 Level | 25℃ Room Temperature | Meets IEC 60076 requirements for factory testing |
| Applicable Capacity | 500kVA - 10000kVA | Nominal Load | Select based on transformer production range | |
| Electrical Characteristics | Applicable Voltage | 36kV - 38.5kV | Nominal Voltage | Match with transformer voltage level |
| Environmental Adaptability | Operating Temperature | -10℃ ~ 50℃ | Indoor/Outdoor Industrial Environment | Suitable for most manufacturing and field testing scenarios |
Technical Advantages & Differentiation
1. Fully Automated One-Time Wiring Testing
Technical Support: Independent R&D of automated control system and one-time wiring technology, verified by over 200 global clients. Quantified Data: Testing efficiency increased by over 300% compared to manual operations; labor cost reduced by 60%. Customer Value: Streamlines batch transformer testing, standardizes data records, and improves production capacity.
2. Comprehensive Compliance & High Precision
Technical Support: Compliance with IEC 60076 international standards; 0.05-level measurement accuracy. Quantified Data: Covers all 7 routine factory tests required by international standards. Customer Value: Ensures transformer products meet global market access requirements, reducing compliance risks.
International Standards & Compliance Certifications
Our R&D, design, production, and testing processes strictly follow international standards to meet global customer requirements.
Core International Standards
1. IEC International Electrotechnical Commission: IEC 60076 (Power Transformers)
Compliance Certifications
Our transformer trading products hold CE and UL certifications, and we provide third-party testing reports, conformity declarations, and other documents to support global market access.
Technical FAQ
Q: What types of transformer tests can your equipment perform?
A: Our equipment covers all routine factory tests including insulation resistance, DC resistance, ratio and group, no-load, load, induced voltage withstand, and AC voltage withstand tests, fully complying with IEC standards.
Q: Can your solutions be customized for overseas projects?
A: Yes, we offer containerized fully automated systems designed for sea transportation, supporting on-site testing in overseas locations with 7×24 technical support.
Q: Do you provide after-sales technical support?
A: We provide 7×24 technical support, on-site installation and debugging services, and free sample testing for bulk procurement inquiries.
Contact Information
Official Website: https://www.nanke-electric.com/
Foreign Trade Supervisor: Jin Yujie, Phone: +86 17685519230
Factory Address: 290 meters north of the intersection of Naner Road and Leshan Road, Shengyuan Street, Dongying District, Dongying City, Shandong Province, China

