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Safe and Reliable Fully Automatic Metering CT Test & Production Line System with Block-Based Design for Mass Production
Safe and Reliable Fully Automatic Metering CT Test Production Line System with Block-Based Design for Mass Production
· Appearance defects recognition input and output identification data plate recognition.
· Insulation resistance test.
· Power-frequency voltage-Withstand test.
· Secondary winding's turn-to-turn insulation strength test.
· Basic error test.
· Magnetic saturation test.
HNAS-02 Metering Current Transformer Automatic Test Line is integrated automatic conveying equipment and the automatic intelligent test system for current transformer. The system adopting the Automation, intelligence, information technology, is used to connect the stereoscopic warehouse storing the current transformers, realizing automatic convey, load and unload, test and sorting and labeling of current transformers. Meanwhile, the system, via User Information Management Platform, communicates with production scheduling platform, downloading the test plan and uploading the test results and packaging information.
| Feature | Description |
| Specialized turnover boxes used for storage and conveyance of CTs. | The robust turnover boxes are suitable for stacking on layers, increasing operation efficiency. |
| Gantry robots perform stacking, unstacking, relocation, and reallocation of turnover boxes. | Multi-DOF robot is used to load and unload single pieces of current transformer. |
| Robust pallets for conveying current transformers, convenient for testing the CTs without removing the pallets. | Check the data plates, S terminals, and appearance defects. |
| Insulation withstand voltage test module/testing position, simultaneously performing the tests of CTs such as insulation resistance, power frequency withstand voltage, secondary-earth isolation (for multi-winding CTs). | Basic error test module/testing position, performing the tests of CTs such as secondary winding's turn-to-turn insulation, basic error, magnetic saturation. |
| All the testing modules/testing positions are suitable for manual test operation as well. | Sorting and labeling function to distinguish the defective and qualified CTs according to the results of appearance test, insulation voltage withstand test, and basic error tests. |
| Conveying management software, testing software, control software, communicating with the master computer (production scheduling platform for exchanging the test information). | User-friendly human-computer interface graphically displaying the status of the system and test results. |
| Good scalability of all testing modules/testing positions. | 5 test modes available with a test capacity of one line 150 thousand pieces of CT a year. |
Multi-winding Low-voltage Current Transformers: These are current transformers designed to accurately measure and step down current levels in low-voltage electrical systems. They feature multiple windings, allowing them to provide precise measurements across different voltage ranges or phases. Multi-winding low-voltage current transformers are commonly used in various applications, including industrial power distribution, energy metering, and protective relaying systems.
Cable / Bar Primary Low-voltage Current Transformers: These current transformers have cable or bar-type primary windings, which means they are designed to be clamped around or connected to cables or busbars carrying the current to be measured. Cable primary current transformers are typically used in situations where it is impractical to interrupt the circuit for installation, such as in live electrical systems or where frequent changes are required. Bar primary current transformers are often used in applications where busbars are present, such as switchgear and distribution panels, providing an efficient and accurate means of current measurement for monitoring and control purposes.
