Product Overview
The NKE-DTTS-AUTO/10000 fully automatic distribution transformer testing system is the high-end model in the NKE-DTTS-AUTO series, specifically designed for batch factory acceptance testing of medium and large-capacity distribution transformers. It strictly complies with both IEC 60076 and IEEE C57.12.90-2021 international standards. The equipment can accommodate transformers up to 38.5 kV and 10,000 kVA, covering all factory acceptance tests for oil-immersed and dry-type transformers ranging from 500 kVA single-phase to 10,000 kVA three-phase, within the voltage range of 4.16 kV–38.5 kV. With an ultra-high measurement accuracy of class 0.05, it enables standardized, high-precision testing operations.
The entire unit adopts an integrated design based on a standard 20-foot container, incorporating a variable-frequency power supply, intermediate transformers, compensation capacitors, a high-precision measurement system, and an automated transfer switch. Its compact and standardized structure fully meets the requirements for sea freight export transportation. The core advantage of this equipment lies in its **one-time wiring and one-button fully automatic testing**, eliminating the need for repeated manual operations. A computer automatically completes the full suite of tests, processes the data, and generates reports. Coupled with a four-station automated design, a single operator can perform batch testing, significantly reducing labor costs and operational errors. This makes it an essential piece of equipment for transformer manufacturers and testing institutions seeking efficient mass production and testing.
Operating Principle
The equipment features highly integrated power supply, reactive power compensation, step-up transformation, automatic switching, and high-precision measurement units, forming a standardized, fully automatic testing hardware platform suitable for all specifications of distribution transformers.
During operation, only a single standard wiring connection is required. The system uses a built-in automated transfer switch to automatically switch between various test circuits, eliminating the need for repeated manual disconnection and reconnection.
Once the test program is initiated, the computer automatically executes all factory acceptance test items—DC resistance, turns ratio, insulation, losses, dielectric strength, and more—in sequence, without any human intervention throughout the process.
Leveraging a class 0.05 high-precision measurement configuration, the system collects, calibrates, and processes test data in real time. Upon completion, it automatically generates and exports standardized factory acceptance test reports, achieving paperless, traceable, and standardized fully automatic testing across the entire workflow.
Core Test Items
Standard default test items include: DC resistance test, turns ratio test, insulation resistance test, no-load loss test, load loss test, induced voltage withstand test, and power frequency withstand test.
Optional extended test items include: temperature rise test and partial discharge test.
System Adaptability to Voltage, Capacity, and Parameters
The equipment supports three-phase oil-immersed and dry-type distribution transformers, covering everything from small-capacity single-phase models to large-capacity three-phase types. Key parameters are as follows:
1. High-voltage adaptation range: 4.16 kV–38.5 kV coverage.
2. Low-voltage adaptation range: 0.12 kV–2.5 kV.
3. Impedance adaptation range: 2%–12%.
4. Test capacity range: 500 kVA single-phase to 10,000 kVA three-phase.
5. Applicable transformer types: universally compatible with oil-immersed and dry-type transformers.
6. Compliance with standards: IEC 60076 and IEEE C57.12.90-2021.
7. Measurement accuracy: class 0.05 high-precision measurement system.
8. Customization capability: supports personalized customization for special-parameter test transformers.
9. Container specifications: standard 20-foot container, suitable for sea freight export.
Key Advantages and Selling Points
Truly fully automatic one-button testing: a single wiring connection suffices to complete all factory acceptance tests, with the entire process running automatically, completely eliminating the tedious traditional procedures of repeated wiring and step-by-step operations.
Efficient mass production, cost reduction, and efficiency gains: featuring a four-station automated design, a single operator can independently handle batch testing, greatly reducing labor input and lowering workload intensity while breaking through capacity limitations.
Low operational threshold and ease of use: extremely simple automated operating logic; no need for senior technical personnel—basic training is sufficient to get started, significantly cutting labor and training costs.
Safe and reliable high-voltage operations: employs a strong–weak current partitioning isolation design, effectively mitigating safety risks associated with live high-voltage work and ensuring operator safety and stable equipment performance.
Standardized, traceable data: unified host computer control, paperless operations throughout the process, automatic data retention and processing with minimal error margins, eliminating the risk of human recording mistakes.
Strong adaptability for sea freight export: integrated structure within a standard 20-foot container, compliant dimensions and robust construction, perfectly suited for cross-border shipping and overseas project deployment.
Wide-ranging applicability: covers all mainstream voltages up to 38.5 kV and impedance ranges of 2%–12%, compatible with both small- and large-capacity single-phase and three-phase transformers.
High international standard precision: class 0.05 ultra-high measurement accuracy, rigorously aligned with both IEC and IEEE international standards, ensuring compliant test data and globally recognized reports.
Target Customer Groups
Global medium and large-scale transformer manufacturers, international third-party quality inspection and certification agencies, major power companies and grid operators, overseas power engineering general contractors, and mobile testing station construction entities.
Application Scenarios
Transformer manufacturers: routine fully automatic factory acceptance testing of all specifications of distribution transformers in mass production (core scenario for mass production).
Third-party quality inspection and certification agencies: standardized testing and authoritative certification of oil-immersed and dry-type transformers up to 38.5 kV.
Large power and grid companies: random sampling inspections upon transformer grid connection, incoming goods acceptance, and performance verification tests.
Overseas power engineering projects: sea freight export of 20-foot container-based equipment, on-site mobile testing, and temporary testing station setup.
Large-scale transformer mass production workshops: standardized, paperless, highly efficient end-to-end quality control and testing.
Solving Industry Pain Points
Addresses the industry challenges of traditional transformer testing involving repeated wiring, step-by-step operations, complex workflows, and low testing efficiency.
Overcomes the limitations of conventional testing methods that rely on multiple operators, high labor intensity, high labor costs, restricted mass production capacity, and inability to meet large-scale production demands.
Resolves the pain points of traditional equipment requiring senior technicians, long training periods, high labor costs, and workforce turnover impacting production.
Addresses the safety shortcomings of traditional high-voltage testing, where weak–strong current isolation is lacking, posing significant risks during live operations and endangering personal safety.
Solves the issue of traditional paper-based record keeping, which is prone to errors, data confusion, lack of traceability, and non-standard test reports—problems that make it difficult to meet international certification standards.
Core Product Value
The NKE-DTTS-AUTO/10000 fully automatic distribution transformer testing system creates core value for large-scale transformer production and testing enterprises: its one-button fully automatic testing mode greatly simplifies operational workflows, completing all test items with a single wiring connection and significantly boosting batch testing capacity; its automated design allows a single operator to handle operations, dramatically reducing labor costs and training expenses, thus lessening corporate reliance on manpower; its strong–weak current partitioning isolation design thoroughly eliminates high-voltage operation risks, raising workshop safety levels; and its paperless, end-to-end data management ensures precise, standardized, traceable test data fully compliant with IEC/IEEE international standards, facilitating smooth product export and international certification; finally, its standard 20-foot container structure adapts well to sea freight export, enabling rapid deployment for overseas projects and helping companies efficiently expand into international markets, upgrading their testing processes toward standardization, intelligence, and cost-effectiveness.
Frequently Asked Questions (FAQ)
Q1: What voltage and capacity range does the NKE-DTTS-AUTO/10000 support?
A: High-voltage adaptation range is 4.16 kV–38.5 kV, low-voltage range is 0.12 kV–2.5 kV, and impedance range is 2%–12%. It covers oil-immersed and dry-type transformers from 500 kVA single-phase to 10,000 kVA three-phase.
Q2: What are the advantages of the equipment’s automated testing?
A: It supports one-time wiring and one-button activation to automatically complete all factory acceptance tests, eliminating the need for manual circuit switching, automatically calculating data, and generating reports, thereby significantly improving testing efficiency.
Q3: Is the equipment suitable for overseas sea freight export?
A: Yes, the entire unit adopts a standard 20-foot container integrated design, with a compliant and robust structure that fully meets sea freight transport requirements and adapts well to overseas project deployments.
Q4: What is the equipment’s measurement accuracy and compliance with standards?
A: It employs a class 0.05 high-precision measurement system and strictly adheres to both IEC 60076 and IEEE C57.12.90-2021 international standards, ensuring authoritative and compliant test data.
Q5: Does it support mass production testing?
A: Yes, equipped with a four-station automated design, a single operator can efficiently perform mass production testing, making it suitable for large-scale factory acceptance testing of medium and large transformers.
Q6: Can special test parameters and functions be customized?
A: Yes, special parameter test transformers can be customized, and additional functions such as temperature rise and partial discharge tests can also be expanded to suit non-standard testing conditions.
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