Simplify Electric Motor Component Testing With Marposs’ Automated AST320 Test Bench

With coupling capacitor approach that eliminates the need for an external sensor

Published: Wednesday, June 7, 2023 - 11:59

(Marposs: Auburn Hills, MI) – Marposs, a global leader in measurement, inspection, and test technologies, has expanded its line of automatic testers designed for verifying the safety and performance of electric motors with the introduction of the e.d.c. AST320/W system, dedicated to the testing of windings, coils, and stators of electrical motors in production environments. Leveraging more than 50 years of industry experience backed by extensive research and development efforts, the AST320/W system integrates the e.d.c partial discharge measurement technology which is based on capacitor coupling technology, for both AC high pot and surge tests.

The main advantage of the e.d.c. partial discharge technology, as compared to the more traditional antenna-type solutions, is that the capacitor coupling technique, while offering the same measurement quality, is less sensitive to external noise and, therefore, more suitable for applications in production environments.

The coupling capacitor approach eliminates the need for an external sensor. Using the same cables, the partial discharge measurement test can be performed simultaneously with the standard AC high pot and surge tests, offering a more extensive verification of the components without requiring additional testing time.

Multiple tests from a single system

The AST320 with an HMI common to all the e.d.c. testing solutions, allows the user to create testing recipes that mix a variety of typical tests like winding resistance, insulation resistance, AC high pot tests, and surge tests, as well as interacting with the external world by exchanging commands and results with the available digital I/O or OPC UA interfaces.

All measurements, parameters, and testing programs are stored within the software, as are various preventive maintenance and calibration routines. Users have the option to upload data and software to a local area network (LAN) and request remote assistance, if so equipped. The printing of test and calibration certificates in multiple languages is supported, as is the possibility of integration with third-party ERP and MES systems.

For more information on Marposs e.d.c. solutions, visit their site.

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