NKE-DTTS-AUTO/5000 Automatic Distribution Transformer Test System
Product Overview
NKE-DTTS-AUTO/5000 is an integrated automated test system specially designed for medium- and large-capacity distribution transformers and new energy transformers. The entire equipment set integrates an inverter power supply, intermediate transformer, compensation capacitor, measurement system, and switchgear into a single 20-foot container, fully meeting standard shipping requirements and enabling convenient cross-border transportation and on-site deployment. The system innovatively adopts a test trolley with a one-time wiring configuration to perform DC resistance, turns ratio, and connection group tests; test data can be automatically uploaded to a conventional testing system for centralized management. For no-load loss, load loss, induced voltage withstand, and applied voltage withstand tests, manual wiring can be performed according to test requirements, after which the computer program automatically executes the testing procedure. Upon completion, the system automatically calculates results and generates a standardized factory test report. The equipment is compatible with three-phase and single-phase transformers, complies with IEC 60076 and IEEE C57.12.90-2021 international standards, and is equipped with 0.05-class precision current transformers and YOKOGAWA WT500 series or higher power analyzers, achieving industry-leading levels of testing accuracy and reliability.
Core Technical Parameters
1. Compatible Voltage Levels: Three-phase and single-phase transformers
2. Parameters for 4.16kV Transformers: Maximum test capacity 6300kVA, compatible impedance voltage 5.75%~8.0%
3. Parameters for 6.9/0.38-2.08kV Transformers: Maximum test capacity 10000kVA, compatible impedance voltage 5.75%~10.0%
4. Standards Adhered To: IEC 60076, IEEE C57.12.90-2021
5. Precision Current Transformer Accuracy: 0.05 class
6. Power Analyzer Configuration: YOKOGAWA WT500 series or higher
7. Integration Specification: 20-foot container
8. Coverage of Test Capacity Range: Medium- and large-capacity distribution transformers and new energy transformers from 5000kVA to 30000kVA
Testable Items
The system can perform conventional tests including DC resistance, turns ratio and connection group tests, insulation resistance, no-load loss, load loss, induced voltage withstand, and applied voltage withstand tests. It also supports optional configurations such as temperature rise tests and partial discharge tests, meeting the full-process factory inspection needs of various transformer products. In response to the operational characteristics of different test items, the system employs differentiated wiring modes: DC resistance, turns ratio, and connection group tests are completed with a single wiring operation using a dedicated test trolley, greatly simplifying the workflow; other tests utilize a hybrid mode of manual wiring combined with automatic execution by computer, balancing testing flexibility with automation efficiency.
Core Advantages
1. Integrated Container Design: The entire system is housed within a standard 20-foot container, featuring a compact structure and rational layout that fully complies with maritime transport requirements. This enables convenient global transportation without complex on-site assembly, allowing rapid deployment upon arrival and addressing industry pain points related to the difficulty of transporting and deploying large-capacity testing equipment.
2. Differentiated Intelligent Wiring Mode: For DC resistance, turns ratio, and connection group tests, the test trolley completes all wiring in one go, eliminating the tediousness of repeated connections and reducing wiring error rates. No-load, load, and voltage withstand tests adopt a hybrid mode of manual wiring plus automated execution, adapting to diverse wiring needs while balancing operational flexibility with automation efficiency.
3. Centralized Data Management: Test data can be automatically uploaded to a conventional testing system, enabling unified storage, management, and traceability of test data—replacing traditional decentralized instrument records or paper-based archiving—and significantly improving data management efficiency and traceability to meet the digital management demands of modern production.
4. High-Precision Measurement Configuration: Equipped with 0.05-class precision current transformers and YOKOGAWA WT500 series or higher power analyzers, the system achieves industry-leading measurement accuracy, ensuring the accuracy and reliability of test data and compliance with IEC 60076 and IEEE C57.12.90-2021 international standards.
5. Wide-Ranging Capacity Adaptation: Covering medium- and large-capacity distribution transformers and new energy transformers from 5000kVA to 30000kVA, it can accommodate special transformer products in photovoltaic, wind power, and other new energy sectors, solving the longstanding challenge of traditional equipment struggling to handle high-capacity new energy transformers.
6. Fully Automated Testing Process: With the exception of certain items requiring manual wiring, all other test procedures are executed automatically by computer programs. Upon completion, results are calculated automatically and a standardized factory test report is generated, minimizing human intervention, enhancing testing efficiency and result consistency, and enabling standardized mass testing.
Core Product Value
1. Significantly Reduces Testing Workload: The test trolley completes DC resistance and turns ratio tests with a single wiring operation, cutting down on repetitive connections, lowering wiring complexity and workload, and boosting testing efficiency—especially suitable for batch testing of large-capacity transformers.
2. Enables Digital Data Management: Automatic uploading of test data to a conventional testing system resolves the issue of scattered, hard-to-trace traditional test data, helping enterprises build digital testing management systems and improve the standardization and traceability of production management.
3. Enhances Global Deployment Convenience: The containerized integrated design meets maritime standards, allowing rapid global transportation and deployment without complex on-site installation, providing multinational transformer manufacturers with an efficient testing solution.
4. Meets New Energy Industry Needs: Covering medium- and large-capacity transformers from 5000kVA to 30000kVA, it can adapt to special transformer products in photovoltaic, wind power, and other new energy fields, helping new energy transformer manufacturers meet product testing requirements and keep pace with industry development trends.
5. Ensures Testing Accuracy and Compliance: Equipped with high-precision measurement components and compliant with international authoritative standards, it guarantees accurate and reliable test data, helping enterprises produce transformers that meet international standards and enhance market competitiveness.
Target Customer Groups
Global transformer manufacturing companies, specialized producers of new energy transformers, large power equipment manufacturing groups, transformer export trading enterprises, and third-party power equipment testing institutions
Application Scenarios
1. Factory Outgoing Inspection of Transformers: Provides standardized batch testing services for transformer manufacturing lines, covering all product categories from conventional distribution transformers to large-capacity new energy transformers, ensuring product quality meets required standards.
2. New Energy Transformer Manufacturing: Offers specialized testing services tailored to the unique performance requirements of large-capacity new energy transformers in photovoltaic, wind power, and other sectors, meeting the high-standard testing needs of the new energy industry.
3. Multi-Voltage/Large-Capacity Transformer Testing: Adapts to testing scenarios involving three-phase and single-phase transformers across various voltage levels, resolving many pain points associated with traditional testing equipment when handling large-capacity products and improving testing efficiency and accuracy.
4. Cross-Border Production Support Testing: Leveraging its containerized maritime design, provides globally deployable testing equipment for multinational transformer manufacturers, ensuring consistent testing standards across different production bases and enhancing product quality consistency.
Solutions to Industry Pain Points
1. Solves the Wiring Challenge for Large-Capacity Transformers: In testing medium- and large-capacity transformers, the larger the capacity, the greater the wiring complexity and workload. This system uses a test trolley to complete DC resistance and turns ratio tests with a single wiring operation, dramatically reducing wiring efforts and lowering workload and error rates.
2. Addresses the Challenge of Test Data Management: Traditional test data scattered across various instruments or recorded on paper is difficult to unify and trace. This system automates data upload to a conventional testing system, achieving centralized storage and management and improving data traceability and management efficiency.
3. Overcomes Difficulties in Equipment Transportation and Deployment: Large-capacity testing equipment is bulky and heavy, making transportation and on-site deployment challenging. This system adopts a standard 20-foot container design that meets maritime requirements, enabling rapid global transport and on-site deployment without complex assembly.
4. Resolves the Issue of Fragmented Operational Procedures: Some test items require manual wiring, others need computer control, leading to fragmented operating procedures. This system employs differentiated wiring modes that balance the operational needs of different items, seamlessly integrating automated processes with flexible operations.
5. Tackles the Challenge of Adapting to New Energy Transformers: Photovoltaic, wind power, and other new energy transformers are large in capacity and have special standards, making them difficult for traditional equipment to handle. This system covers a wide range of capacities from 5000kVA to 30000kVA, equipped with high-precision components and test procedures compliant with international standards, perfectly meeting the testing needs of new energy transformers.
Frequently Asked Questions (FAQ)
Q1: What is the integration method of NKE-DTTS-AUTO/5000?
A: The entire system is integrated into a single standard 20-foot container, containing an inverter power supply, intermediate transformer, compensation capacitor, measurement system, and switches—all components comply with standard maritime requirements and enable convenient global transportation.
Q2: How is the system’s test data managed?
A: Data from DC resistance and turns ratio tests can be automatically uploaded to a conventional testing system, achieving centralized storage, management, and traceability and resolving the issue of scattered traditional test data, thereby enhancing digital management capabilities.
Q3: Which types of transformers can the system adapt to?
A: The system is compatible with three-phase and single-phase transformers, covering medium- and large-capacity distribution transformers and new energy transformers from 5000kVA to 30000kVA, and can meet the testing needs of products at different voltage levels, such as 4.16kV, 6.9/0.38-2.08kV, etc.
Q4: How does the system ensure testing accuracy?
A: The system is equipped with 0.05-class precision current transformers and YOKOGAWA WT500 series or higher power analyzers, strictly adhering to IEC 60076 and IEEE C57.12.90-2021 international standards during design and manufacturing, ensuring high accuracy and reliability of test data.
Q5: What is the system’s operational process?
A: For DC resistance, turns ratio, and connection group tests, the test trolley completes all wiring in one go; for no-load loss, load loss, induced voltage withstand, and applied voltage withstand tests, manual wiring is performed first, followed by automated execution of the testing procedure by computer, with results automatically calculated and factory test reports generated upon completion.
