Bachmann introduces GMP 232 series grid measurement module | Automation.com

Bachmann introduces GMP 232 series grid measurement module

Bachmann introduces GMP 232 series grid measurement module

March 15, 2017 - Bachmann's plug-in cards of the GMP232 series represent their latest concept in measuring and monitoring three-phase electrical networks. The solution combines plant control and grid technology in a modular unit.

Interfaces are available for the GMP232 module, both for a direct 690 V connection as well as for operation with voltage transformers up to a rating of 120 V. Current measuring is implemented with 1 A or 5 A rated transformers. Measuring ranges of up to 340 % of the rated voltage or 400 % the rated current, as well as even greater overload ranges make the module ideal for applications directly on the generator units or in high voltage levels.

As well as providing all relevant measured values such as current, voltage, power or frequency, the module also provides configurable monitoring functions for grid and system protection. Thanks to the new calculation procedures, currents, voltages and power values are broken down into “symmetrical components” (zero, positive and negative phase sequence) – a requirement of existing standards such as IEC 61400-21.

The relay outputs integrated in the module enable the direct switching of two tripping circuits independently of the remaining control system. An integrated real-time data recorder supplies time plots in Comtrade format in the event of a trip and saves an event log with synchronized time stamps.

The GMP232 is designed as a PLC-integrated solution, however, it can also be used in combination with a small M1-CPU as an autonomous grid measuring product. 

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