An Automatic Transformer Test Bench is an integrated system designed to perform comprehensive testing of power and distribution transformers. These systems automate various testing procedures, enhancing efficiency, accuracy, and safety in transformer assessments.
Key Features and Functions:
Comprehensive Testing: Capable of conducting a wide range of tests, including no-load loss, load loss, impedance voltage, DC resistance, turns ratio, insulation resistance, and dielectric strength tests.
Automation: Utilizes advanced microprocessor technology to automate data acquisition, measurement, display, storage, and reporting, reducing manual intervention and potential errors.
User-Friendly Interface: Equipped with LCD displays and intuitive controls for easy operation, allowing users to monitor real-time data and test results effectively.
Safety Measures: Incorporates safety features such as overcurrent protection with audible and visual alarms to ensure operator safety during high-voltage testing.
Data Management: Offers capabilities for data storage and printing, facilitating efficient record-keeping and analysis of test results.
System Accuracy and Measurements
Power Factor
Range
Frequency
Accuracy*
Voltage
5% < Un < 39%
0.05%
40% < Un < 120%
0.02%
Current
1% < In < 200%
0.01%
Power
1
0.02%
0.5
40% < Un < 120%
0.02%
0.05
50 Hz
0.09%
60 Hz
0.10%
0.01
40% < Un < 120%
50 Hz
0.44%
60 Hz
0.53%
EPRO TMS (Fully Automatic Transformer Loss Measurement System)
Basic Measurements
Optional Test possible with Integrated Device & Com Box
No Load Loss
✔
Load Loss
✔
Winding Resistance
✔
Turns Ratio
✔
Heat Run
✔
Induced Voltage
✔
Zero Sequence
✔
Insulation Resistance
✔
C & Tan Delta
✔
Partial Discharge
✔
All these measurements are realized for 1 or 3 Phase EUT according to the latest standards: IEC-60076-1,2,3,8 & ANSI/IEEE C57.12.90