This technical article provides a comprehensive standard-compliant interpretation of Qingdao Nanke International Electric Co., Ltd.’s transformer testing equipment. As a global leading supplier with over 12 years of R&D and industrial application experience in transformer intelligent testing, we are committed to driving industry technological advancement. Our product portfolio includes the Automated Distribution Transformer Testing Series (NKE-DTTS-AUTO), Modular Automated Power Transformer Testing System (PTTS-MD-AUTO), and professional testing instruments, designed specifically for global transformer manufacturers, power utilities, and third-party labs. These solutions effectively address core industry pain points such as complex wiring, scattered data management, difficult transportation, fragmented operations, and new energy transformer adaptation. Strictly adhering to IEC 60076, IEEE C57.12.90-2021, and ISO 9001 standards, our equipment achieves key technological breakthroughs in one-time wiring automated testing and containerized integration. To date, our solutions have been deployed in over 10 countries and regions, serving more than 200 enterprise customers, with verified performance in transformer factory testing, new energy transformer manufacturing, and third-party lab scenarios. Our products hold ISO 9001, ISO 14001, and ISO 45001 certifications, recognized as highly reliable technical solutions globally.
Technical Definition
Nanke’s transformer testing equipment is a suite of automated integrated testing systems and precision instruments based on advanced automated measurement and control technology, enabling efficient, accurate, and traceable transformer performance testing. As core solutions in the power equipment intelligent testing sector, they are indispensable for ensuring transformer quality compliance and supporting industry digital transformation.
Main Classifications
To meet diverse industry needs, our product portfolio includes three main series with customizable options:
1. NKE-DTTS-AUTO Series: Medium and large capacity distribution transformer testing system, suitable for factory acceptance testing and new energy transformer manufacturing, featuring one-time wiring for DC resistance and turns ratio tests, and containerized design for easy transportation.
2. PTTS-MD-AUTO Series: Modular automated testing system for ultra-high voltage power transformers (up to 345kV/240MVA), ideal for large-scale power transformer manufacturers and third-party labs, with 5 40-foot container integration and 5-month delivery cycle.
3. Transformer Testing Instruments: Full-parameter standalone testing instruments, covering power analysis, insulation resistance, and turns ratio measurement, equipped with YOKOGAWA WT5000 series analyzers for high data credibility.
Design Philosophy
Our products are designed with core principles of high reliability, precision, ease of deployment, and long-term stability, fully considering harsh industrial conditions and adhering to full-life cycle reliability standards to provide customers with cost-effective, low-maintenance solutions.
Technical Principle
The core working principle of our transformer testing equipment is based on automated measurement control technology and modular integration, realizing one-time wiring for multiple test items to simplify operations.
The complete workflow includes:
1. One-time wiring: Connect the transformer to the testing trolley or modular system to cover core test items such as DC resistance and turns ratio.
2. Automated test execution: The system automatically runs pre-set test procedures, collects and processes data in real time.
3. Data management & reporting: Test data is automatically uploaded to the management system, and compliant reports are generated and exported without manual intervention.
Core Architecture & Innovative Design
Our innovative modular architecture enhances performance and adaptability:
1. Testing Trolley Module: Integrates multiple test functions to enable one-time wiring for DC resistance and turns ratio tests, reducing wiring time by 70% compared to traditional methods.
2. Containerized Integration Module: Packages the entire system in 20-foot or 40-foot containers meeting shipping standards, eliminating the need for civil construction and enabling on-site deployment within 30 days.
Comparison with Traditional Solutions
Compared to traditional manual or semi-automated testing equipment, our solutions offer key advantages:
1. Eliminates repeated wiring: Traditional solutions require multiple wiring changes for different test items, while our one-time wiring design reduces labor intensity and operation time significantly.
2. Centralized data management: Traditional methods rely on manual data recording which is prone to errors, while our system automates data collection and storage, ensuring traceability and compliance with CNAS/IEC/ISO requirements.
Technical Parameters & Specification Standards
All parameters of our equipment are tested strictly in accordance with IEC 60076 standards, with clear test conditions and strict tolerance control. We provide full-parameter test reports for each batch and support third-party authoritative testing.
| Parameter Category | Core Parameter | Standard Indicator | Test Condition | Selection Reference |
|---|---|---|---|---|
| Test Capacity Range | NKE-DTTS-AUTO Series | 5000kVA - 30000kVA | Room temperature (25℃) | For medium and large capacity distribution transformers |
| Test Capacity Range | PTTS-MD-AUTO Series | Up to 240MVA (345kV) | Room temperature (25℃) | For ultra-high voltage power transformers |
| Accuracy Class | Current/Voltage Transformer | Class 0.05 (NKE-DTTS-AUTO); Class 0.01 (PTTS-MD-AUTO) | Standard testing environment | Ensures high-precision test data compliance |
| Transport Specification | Container Type | 20-foot/40-foot (NKE-DTTS-AUTO); 5×40-foot (PTTS-MD-AUTO) | Compliant with international shipping standards | Facilitates global transportation and on-site deployment |
Note: The above parameters are standard specifications. We can provide customized parameter adjustments according to specific customer requirements.
Technical Advantages & Differentiation
Compared to conventional transformer testing equipment in the global market, our solutions form irreplaceable core competitive advantages through independent R&D and technological innovation, fully verified by long-term customer applications:
One-Time Wiring & Fully Automated Testing
Technical Support: 10 independent intellectual property patents covering core algorithms and system architecture; one-time wiring design for 7 routine test items.
Quantified Data: Test efficiency increased by 80% compared to traditional manual testing; labor cost reduced by 60% with minimal reliance on experienced personnel.
Customer Value: Enables standardized, traceable batch testing, eliminates manual recording errors, and ensures consistent test data quality.
Containerized Integrated Design
Technical Support: System packaged in shipping-compliant containers; no civil construction required for deployment.
Quantified Data: Delivery cycle shortened to 5 months (industry average 8-12 months); on-site debugging completed within 30 days; infrastructure cost reduced by 40%.
Customer Value: Facilitates global transportation, reduces deployment time and cost, and supports flexible on-site testing needs.
International Standards & Compliance Certifications
All R&D, design, production, and testing processes of our equipment strictly follow the latest international standards and industry norms, with a complete compliance and certification system to meet stringent procurement and regulatory requirements worldwide.
Core International Standards Followed
1. IEC 60076: International Electrotechnical Commission standards for power transformers
2. IEEE C57.12.90-2021: IEEE standard for transformer test methods
3. ISO 9001:2015: Quality management system standard
4. ISO 14001:2015: Environmental management system standard
5. ISO 45001:2018: Occupational health and safety management system standard
Authoritative Compliance Certifications & Qualifications
1. System Certifications: ISO 9001:2015, ISO 14001:2015, ISO 45001:2018
2. Industry Qualifications: National High-Tech Enterprise, CNAS-related testing capability recognition
3. Import & Export Qualification: Complete customs import and export filing, enabling full-process export operations
4. Document Support: We can provide third-party testing reports (SGS/TÜV/BV), factory inspection reports, and compliance declarations as required.
Technical FAQ
Q: What voltage and capacity ranges do your testing equipment cover?
A: Our equipment supports transformers with voltage ratings from 10kV to 500kV, covering capacities from 5000kVA to 30000kVA for distribution transformers, and up to 240MVA for ultra-high voltage power transformers, adapting to new energy and special transformers.
Q: What is the delivery cycle for your equipment?
A: The delivery cycle depends on the model and customization needs. For conventional distribution transformer testing systems, it is typically 70 days; for ultra-high voltage systems, it is adjusted based on specific requirements, with our PTTS-MD-AUTO Series offering a 5-month delivery cycle.
Q: Do you provide after-sales technical support for overseas customers?
A: Yes, we offer a full-cycle after-sales support system including pre-sales customized design, on-site installation and training, 24/7 remote technical support, and overseas spare parts warehouses. We can also dispatch engineers to on-site locations when necessary.
Contact Information
Official Website: https://www.nanke-electric.com/
Business Consultation Email: [email protected]
Global Service Hotline: +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
Company Full Name: Qingdao Nanke International Electric Co., Ltd.
