Global Industry CO.,LTD
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Place of Origin: | Zhejiang, China (Mainland) |
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HXOT 390A Transformer On-load Tap-changer Tester
Quick Detail:
1. Intelligent cursor analysis technology (One key analysis)
2. High stability negative feedback constant current technology
4. Real measurement for Y type no neutral education transformer
5. Real show the original switching waveform (00 level) and data;
6. With the function of recheck of internal increasing current (Max constant current 3A output)
7. Powerful data record function
Description:
Introduction
This device applies to measure and analyze loading tap switch property index of power transformer and special transformer. It is controlled by computer, using special loops, to test the transition time, transition wave, transition resistance, three-phase synchronism of tap switch, etc. Customers can use tapping switch down-lead to test according needs and field conditions; also can use transformer three phase annual and neutrality point to test. This device can analyze, store and print the test results. While on-load tap-changer action, real-time wave is generated, which is convenient for measured data analysis and has function of storage and printing, realizing scientific management for test data.
Features
1. Intelligent cursor analysis technology (One key analysis): Apply the most advanced scanning algorithm by phase; through the software calculate and automatically define starting, termination point of tapping switch; one key press can calculate all values;
2. High stability negative feedback constant current technology: Internal measurement power source uses high stability negative feedback constant current technology, current stability < 0.1%, which can effectively overcome the influence of transformer winding inductance to constant current stability.
3. Fully meeting the requirements of autotransformer time testing (sampling period was 500 ms) : Test time more than 500 ms, fully meeting various transformer time test requirements.
4. Real measurement for Y type no neutral education transformer: using built-in negative power processing technology, and can change the voltage of one phase from the three phases in switching into zero in the process of sampling, so as to achieve the effect of neutral derivation, and achieve real measurement for Y type no neutral education transformer transient waveform requirements. Intelligent analysis to transient waveform.
5. Real show the original switching waveform (00 level) and data;
6. With the function of recheck of internal increasing current (Max constant current 3A output);
7. Powerful data record function: Built-in large capacity data storage can store up to twenty sets of data and can be applied to autotransformer of large capacity.
Applications:
This device applies to measure and analyze loading tap switch property index of power transformer and special transformer.
Specifications:
Operating environment
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Input voltage |
AC220V±10% 50Hz±10% |
Ambient temperature |
-1045 |
Relative humidity |
≤80%RH |
Parameters |
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Test current |
Three-phase separate constant current source Charging current 1A(Max. 3A) Stability 0.1% |
Transition resistance |
Measuring range 0.0120Ω Resolution ratio 0.01Ω Accuracy 5% |
Transition time |
Measuring range 0500 ms Resolution ratio 0.1 ms Accuracy ±0.5% |
Dimension |
280mm(L)× 240mm(W)×170mm(H) |
Weight |
4kg |
Safety performance |
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Insulation resistance |
>2MΩ |
Leakage current |
<3.5mA |
Dielectric strength |
1500V (50Hz effective value), 1 min withstanding voltage test for power input wire of cover |
Competitive Advantage:
1. Safer design
2. More durable lifetime
3. More stable performance
4. More elaborate manufacture
5. Top quality in China
6. Good Service
7. Professional Staff