Circuit Breaker Testing
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Portable Switchgear Test Systems

ACTAS Portable Switchgear Test Systems Switchgear devices are situated at the key points of electrical energy transmission and distribution systems. Their reliability has a decisive influence on the availability, safety and economic efficiency of electricity supply systems. Only regular, on-site tests can ensure that switchgear devices function perfectly throughout their operational life. ACTAS test systems provide precise information as to the condition of the chamber and drive unit without requiring them to be opened. The sheer number of parameters to be determined, the wide variety of...

Contact travel visualization In contrast to evaluation via a simple binary signal, as is the case with highfrequency measuring methods, the ACTAS P260  + | P360  + test systems, in combination with PROMET resistance measuring devices, allow sound diagnosis of breaker units over the entire switching process. Measurement results are displayed in curve form. This allows an accurate assessment of the start of travel and the final position of the contacts and even reveals time differences between the movements of the main and resistive contacts. Assessing the interrupter unit by analysing...

Static and dynamic measurement A high contact resistance within a switchgear device leads to high power loss coupled with thermal stress which can potentially cause serious damage to the switchgear device. Problems, such as high transfer resistance resulting from poor connections, can be identified by measuring static contact resistance. Dynamic contact resistance measurements can be used to determine the resistance characteristic during a freely definable switching operation. Measurements of this type give an indication of the length and state of the arcing contacts of highvoltage...

Motor and coil tests The ability to connect a powerful AC/DC source makes it possible to test the correct functioning of motors and coils of switchgear devices directly and independently of the station voltage. Analyses of motor and coil operation, through the determination of the minimum operating voltage and through testing undervoltage releases for coils, for example, are reproducible and can always be carried out under identical conditions. Integrated operating and evaluation unit The resistive 7“ touch screen, a new operating concept and extra powerful hardware make for easy operation...

Result help The ACTAS testing software features a comprehensive help function to support users in the selection and evaluation of the measurement results. Descriptions and graphs facilitate the correct interpretation of the results obtained. Automatic generation of test reports For the documentation of the test results, both the device and the PC software offer the option of automatically creating a test report. Results and curves of the recorded signals as well as switchgear data and test parameters are documented in detail. The PC software included in the scope of delivery can also be...

Compact, robust and reliable ACTAS P260  +  |  P360 + are compact, robust test systems which are specially designed for portable use and come in a practical hard-top case. During the development process, special attention was paid to their ability to withstand harsh transport and operational conditions. The use of tried and tested hardware components and the very high electromagnetic compatibility of the test systems ensure that they function reliably, even in extrahigh-voltage environments. Special measurement test monitor PIR Via the main contact inputs of the ACTAS test systems P260 + |...

FIRST Trip Measurements Due to the wide range of connection options for sensors, ACTAS can also be used to perform first trip measurements. Up to five current clamps are connected to the secondary side of the current transformers and to the coils for this purpose. Using external trigger signals, the ACTAS test system can determine the switching time at the first switching operation fully automatically. STATION BATTERY TRIP CONTACT TRIP COIL CLOSE CONTACT CLOSE COIL

Technical data P360 Operating voltage Control outputs for closing coils Control outputs for opening coils Coil / motor / station voltage Motor current via shunt Coil current Reference voltage for sensors 10 VDC / 200 mA Auxiliary contacts Relay control outputs PC connection Interfaces Interfaces for external devices 1 x Ethernet 1 x USB A / 1 x USB B 3 x RJ45 for external devices 1 x RJ45 for CSW3 User interface 7“ graphical display with touch screen and 2 function keys Robust hard-top case Protection class Dimensions (mm)

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