Transformer Comprehensive Tester
Our Transformer Comprehensive Tester is specialized testing equipment used to evaluate the electrical and performance characteristics of transformers. It helps engineers and technicians measure key parameters such as voltage, current, resistance, insulation, losses, and efficiency to ensure that transformers function properly before deployment. It is widely used in power generation, transmission, distribution, and industrial applications.
Why Choose Us?
Our company has been specializing in the production and manufacturing of frequency series resonance devices for 21 years, with a modern intelligent factory covering over 4,000 square meters and more than 100 automated production, manufacturing, assembly, and testing equipment. We have obtained CE certification and currently serve over 20,000 customers worldwide.
Quotation within 1 hour – Solution within 24 hours - Product demonstration available - Strict contract performance
On-time delivery - 12-month warranty – Optional extended warranty - Factory acceptance testing
Authorized calibration (optional) - Worldwide training support – Regular follow-up visits
Parameters of Transformer Comprehensive Tester
| Project | Measuring range | Relative error |
| Voltage | 0.1～600V | ±(0.2% reading +0.1% range) |
| Current | 0.1～200A | ±(0.2% reading +0.1% range) |
| Power | U*I | ±(0.2% reading +0.1% range) |
| Power factor | 0.1～0.9999 | 3 Digital |
| Power supply | AC220V±10% 50Hz±2% | |
| Use environment | Operating temperature range 0～40℃ Relative humidity 30%～90% | |
| Volume | 2500╳1060╳1500(mm) | |
| Weight | 100kg~1000kg(Change according to custom requirements） | |
Product Features
1.The transformer comprehensive testing platform features a large backlit LCD screen with a clear and intuitive interface, making operation and data display easy to understand.
2.It supports a wide range of tests, including DC resistance testing, turns ratio testing, no-load loss testing, load loss testing, AC withstand voltage testing, induced voltage withstand testing, insulation resistance testing, temperature rise testing, partial discharge-free testing, and zero-sequence testing for power transformers ranging from 10kV to 500kV.
3.The device offers digital or analog voltage and current displays for direct readings, along with printed outputs for loss, turns ratio, and resistance test results.
4.The withstand voltage test includes an overcurrent alarm with both sound and light indicators, as well as a timing function.
Application Areas
The transformer comprehensive tester is widely used in substations, power plants, and transformer manufacturing enterprises in the power system. For example, in a substation, it can be used to regularly check the working status of transformers to ensure their normal operation; In transformer manufacturing enterprises, it is used for quality inspection before leaving the factory to ensure the reliability of the product.
Application Scenarios of Transformer Comprehensive Tester
1. Quality control before leaving the factory
2. Preventive maintenance and fault diagnosis
3. Handover acceptance and installation debugging
4. Aging assessment and performance optimization
Function
This transformer comprehensive tester integrates functions such as transformer DC resistance, transformation ratio group, no-load load loss, temperature acquisition, data calculation, anomaly identification, and report generation. A single device can replace multiple traditional single testing instruments without the need for repeated wiring or equipment replacement, and can complete the full set of transformer performance testing at once. The device supports fully automated unmanned testing, with automatic data collection, calculation, and storage throughout the process. After the testing is completed, a standardized test report can be exported with just one click, and the entire testing process data can be fully retained to meet the traceability and archiving requirements for engineering acceptance and factory quality inspection.
The transformer comprehensive bench of Wuhan UHV Power Technology Co., Ltd. solves the industry pain points of multiple equipment repeated wiring and data dispersion through integrated design. Intelligent algorithms automatically complete temperature conversion, data correction, and anomaly identification, eliminating manual calculation errors. The equipment has strong anti-interference ability, stable batch testing data, and high repeatability. The customized report template is suitable for high standard factory quality inspection and grid acceptance archiving requirements, and is suitable for transformer manufacturers' batch production testing and third-party laboratory standardization calibration scenarios.
Technical Advantage
Wuhan UHV Power Technology Co., Ltd. is a national high-tech enterprise with a full set of three system certifications and membership qualifications of China Electricity Council. It holds multiple utility model patents related to transformer comprehensive testing and intelligent data computation. The transformer comprehensive tester undergoes multiple rounds of electromagnetic compatibility testing, high and low temperature condition testing, and batch aging testing before leaving the factory. All accuracy indicators are stable and reliable, and can be calibrated by third-party measuring institutions. The equipment has a high degree of integration, mature algorithms, precise data calculation, and sensitive anomaly recognition. It is suitable for high-precision and high-frequency operation scenarios such as high-frequency batch quality inspection in transformer factories, high standard handover and acceptance in power grids, and scientific research and testing. The comprehensive performance of the equipment conforms to the industry's high-end testing standards.
What is the function of a Transformer Comprehensive Tester in the power testing system?
The instrument is used for multi-parameter testing of high-voltage transformers, including:
Turns ratio measurement (TTR)
Winding resistance testing
Short-circuit impedance testing
No-load loss and no-load current testing
Load loss testing
Insulation resistance (IR) testing
In UHV systems, it serves as a core platform for transformer condition evaluation across manufacturing, commissioning, and preventive maintenance stages.
Why is it called a “comprehensive” tester?
Because multiple independent test functions are integrated into a single system, enabling:
Reduced equipment handling
Fewer wiring operations
Improved testing consistency and efficiency
What role does it play in UHV power systems?
In 1000 kV AC and ±800 kV DC systems, it is mainly used for:
Factory and acceptance testing of UHV main transformers
Converter transformer performance verification
On-site preventive maintenance
Operational condition comparison analysis
It covers transformer testing throughout the full lifecycle.
Why is a comprehensive tester required in UHV projects?
UHV transformers involve complex test items and strict time constraints.
A unified testing platform is required to ensure:
Standardized procedures
Faster field testing
Consistent data results
What is the difference between a comprehensive tester and single-function instruments?
Single-function devices perform one test per unit, while a comprehensive tester integrates multiple functions into one system.
In UHV applications, this results in:
Fewer connection errors
Reduced cumulative measurement deviation
Improved data correlation
What are the key technical requirements for UHV-grade equipment?
Typical requirements include:
Multi-channel synchronized measurement
Strong anti-interference capability for substation environments
Automated parameter recognition and switching
Unified data storage and modeling
Long-term operational stability
Can the system operate in high-voltage environments?
The testing system itself works with external high-voltage sources when required, particularly for:
No-load and load testing
System-level performance verification
High-voltage generation is normally provided by separate equipment.
What is the accuracy requirement for turns ratio testing?
Typical UHV-level requirements:
Ratio accuracy: ±0.1% or better
Phase error: below 1 arcminute in high-end systems
What are the key parameters in winding resistance testing?
Micro-ohm resolution (µΩ level)
Three-phase simultaneous measurement
Automatic demagnetization function
Temperature conversion to 20°C reference
What challenges exist in UHV field environments?
Main factors include:
Strong electromagnetic interference from GIS and busbars
Long cable distributed capacitance
Ground potential fluctuation
Complex transformer wiring conditions
As one of the leading transformer comprehensive tester manufacturers and suppliers in China, we warmly welcome you to buy high-grade transformer comprehensive tester made in China here from our factory. For price consultation, contact us.
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