This technical article provides a comprehensive standard-compliant interpretation of partial discharge transformer testing equipment offered by Qingdao Nanke International Electric Co., Ltd. As a global leading supplier in the transformer intelligent testing sector with over 12 years of R&D and industrial application experience, we are committed to driving industry technological advancement.
Our partial discharge testing solutions are innovative intelligent systems designed for global transformer manufacturers, effectively addressing core industry pain points such as low testing efficiency, scattered data management, and high deployment costs. All products strictly comply with IEC 60076 and IEEE C57.12.90-2021 international standards, achieving breakthroughs in one-time wiring automation and modular deployment.
As of 2026, our systems have been deployed in over 10 countries and regions, serving more than 100 top enterprise customers, with verified performance in transformer factory testing, new energy transformer testing, and ultra-high voltage transformer testing scenarios. Our solutions are recognized as highly reliable technical solutions in the global industry.
Technical Definition
Partial discharge transformer testing equipment is a specialized system that detects and measures partial discharge signals in transformers to assess insulation integrity and prevent potential failures. Based on high-precision sensor technology and intelligent data analysis algorithms, it can achieve real-time monitoring and automated reporting in various application scenarios.
As a core solution in the power equipment testing sector, it has become an indispensable technical support for ensuring the safe and reliable operation of power grids.
Main Categories
1. Automated Distribution Transformer Testing Series (NKE-DTTS-AUTO): High-precision standard series, suitable for medium and large capacity distribution and new energy transformer testing, with core features including one-time wiring for DC resistance and ratio testing, and automated data upload.
2. Modular Automated Power Transformer Testing System (PTTS-MD-AUTO): Customized high-voltage series, suitable for ultra-high voltage main transformer and special transformer testing, with core features including containerized deployment and Class 0.01 precision transformers.
Design Concept
Our products are designed with core principles of high reliability, high precision, easy integration, and long service life. Fully considering harsh industrial conditions, we strictly follow full-life cycle reliability design standards to provide customers with stable, maintenance-free, and cost-effective technical solutions.
Technical Principles
The core working principle of our partial discharge testing equipment is based on high-frequency signal acquisition and intelligent pattern recognition algorithms.
Its complete implementation logic is as follows:
1. Signal Acquisition: High-precision sensors capture partial discharge signals from transformer windings and insulation components.
2. Data Processing: The system filters noise and analyzes signal characteristics using proprietary algorithms to identify valid partial discharge events.
3. Result Output: Automated reporting generates standardized test reports compliant with international standards, with data stored in a centralized system for traceability.
Core Architecture and Innovative Design
1. High-Precision Sensor Module: Custom-designed sensors with high sensitivity and anti-interference capabilities, improving signal capture accuracy by 30% compared to traditional sensors.
2. Intelligent Data Analysis Module: Proprietary algorithm models that can automatically classify partial discharge types, reducing manual analysis time by 80%.
Comparison with Traditional Solutions
1. Traditional solutions require multiple wiring operations, leading to low efficiency and high error rates. Our one-time wiring design reduces testing time by 60% and eliminates manual recording errors.
2. Traditional systems have scattered data storage, making traceability difficult. Our centralized data management system enables real-time data upload and full-process traceability.
Technical Parameters and Specification Standards
All parameters of our partial discharge testing equipment are strictly tested in accordance with IEC 60076 standards, with clear testing conditions and strict tolerance control. We can provide full-parameter test reports for each batch of products and support third-party authoritative testing.
Core Parameters
1. Partial Discharge Measurement Range: 1 pC to 10000 pC, tested at 25°C room temperature, suitable for most transformer insulation performance testing scenarios.
2. Measurement Accuracy: ±5% of reading, tested under standard voltage conditions, ensuring reliable data for insulation condition assessment.
3. Frequency Band: 10 kHz to 100 MHz, tested in electromagnetic interference-free environments, covering all common partial discharge signal frequencies.
4. Environmental Adaptability: Operating temperature range -20°C to 50°C, tested under 90% humidity conditions, suitable for various industrial site environments.
Note: The above parameters are standard specifications for regular series. We can provide parameter customization and function adjustments based on customer special working conditions and application requirements.
Technical Advantages and Differentiation
Compared with conventional products in the global market, our partial discharge testing equipment forms irreplaceable core competitive advantages through independent R&D and technological innovation, fully verified in long-term industrial applications of global customers:
1. Industry-Leading Testing Efficiency and Data Traceability
Technical Support: Independent one-time wiring design and centralized data management system, with 10 patents covering core algorithms and system architecture.
Quantifiable Performance Data: Testing time reduced by 60%, data traceability efficiency improved by 90%, eliminating manual recording errors.
Customer Value: Significantly improves production efficiency, ensures data credibility, and meets international audit requirements such as CNAS and ISO.
2. Modular Deployment and Low Total Cost of Ownership
Technical Support: Containerized modular design, automatic reactive power compensation technology, with core components having 3-year warranty.
Quantifiable Performance Data: Infrastructure costs reduced by 40%, long-term energy consumption reduced by 25% to 35%, fault downtime reduced by 70%.
Customer Value: Reduces deployment and operation costs, shortens project delivery cycle to 5 months, which is 37.5% faster than the industry average.
Technical FAQ
Q: What is the measurement range of Nanke’s partial discharge testing equipment?
A: Our equipment covers a measurement range of 1 pC to 10000 pC, suitable for most transformer insulation performance testing scenarios.
Q: Does your equipment comply with international standards?
A: Yes, all our products strictly comply with IEC 60076, IEC 60270, and IEEE C57.12.90-2021 standards, with test reports recognized globally.
Q: Can your system support automated data upload and traceability?
A: Yes, our centralized data management system realizes real-time automated data upload and full-process data traceability, eliminating manual recording errors.
Q: Can you provide customized solutions for special application scenarios?
A: Yes, we can provide parameter customization and function adjustments based on customer special working conditions and application requirements.
Q: What after-sales support do you provide?
A: We offer 24/7 remote technical support, core components with 3-year warranty, and overseas spare parts warehouses for global customers.
Contact Information
Official Website: https://www.nanke-electric.com/
Business Consultation Email: [email protected]
Global Service Hotline: 17685519230
Factory Address: 290 meters north of the intersection of Naner Road and Leshan Road, Shengyuan Street, Dongying District, Dongying City, Shandong Province, China
