Bachmann GMP232 Grid Measurement and Protection Module

• Comprehensive Parameter Measurement:​

• The GMP232 is equipped to measure a plethora of electrical parameters. It can precisely determine current, voltage, frequency, power (both active and reactive), power factor, and phase angle. This comprehensive measurement capability allows for a detailed understanding of the electrical network's status. For example, in a power generation plant, accurate measurement of these parameters helps operators optimize the generation and distribution of power.​

• It can directly connect to input voltages up to 690 V line - to - line (rms), making it suitable for a wide range of industrial and utility applications. The module also has the ability to measure grid harmonics up to the 50th order, which is crucial for assessing power quality. High - level harmonics can cause issues such as overheating of equipment, reduced efficiency, and interference with other electrical devices.​

• Protection and Monitoring Functions:​

• The module offers an array of monitoring and protection functions for both grid and generator protection. It can detect abnormal conditions such as over - voltage, under - voltage, over - current, and frequency deviations. In the event of such anomalies, it can take immediate action to protect the connected equipment. For instance, if an over - voltage condition is detected, the GMP232 can trigger protective relays to isolate the affected section of the grid, preventing damage to sensitive electrical equipment.​

• It has direct relay outputs for circuit - breaker / trip circuits. Up to two circuit - breakers or trip circuits can be directly triggered by the module, ensuring rapid response times in case of faults. This direct connection simplifies the overall protection system design and reduces the risk of communication delays.​

• Data Recording and Logging:​

• The GMP232 features an integrated real - time data recorder. During alarm or protection events, it can accurately record data from up to 16 measuring channels. This high - precision data recording is invaluable for post - event analysis. For example, in a power grid where a fault has occurred, the recorded data can be used to determine the root cause of the problem, identify the sequence of events, and optimize the protection system settings.​

• The module also has an integrated event logging function. Error events are continuously recorded and permanently stored with a high - resolution time entry. The internal time base of the module can be synchronized to an external time source, such as the IEEE 1588 Precision Time Protocol. This synchronization enables the accurate correlation of data from different spatially separated measurement and protection devices, which is essential for large - scale power systems.​

• Software Integration and Configuration:​

• The GMP232 is fully integrated with Bachmann's Solution Center. This integration allows for easy configuration of the module. Users can create configurations simply and store them for later reuse. Both the measured channel values and the derived values are directly available in the user interface, making it convenient for operators to monitor and analyze the data.​

• Commissioning and fault analysis are simplified with tabular, phasor, and time - sequence displays. Event logs and recorded time sequences can be exported in CSV or COMTRADE format, facilitating further analysis using external software tools. The integrated simulation function also simplifies the configuration of protection and monitoring functions, allowing users to test different scenarios before implementing them in the actual system.​

• High - Precision Measurement:​

• The GMP232 offers extremely accurate measurement of electrical parameters. The accuracy of frequency measurement is 0.001 Hz, while the accuracy of current and voltage measurement is 0.1%. This high precision is crucial for applications where precise control and monitoring of power systems are required. For example, in a power grid connected to sensitive industrial processes, accurate frequency and voltage measurement ensure that the power supply meets the strict requirements of the equipment, preventing production losses due to power quality issues.​

• The measurement interval is also very short. The rms value update rate for frequency is 1.66 ms, and for current and voltage, it is 1 ms. This rapid update rate allows for real - time monitoring of the electrical network, enabling quick detection of any changes or anomalies.​

• Reliable Protection:​

• With its comprehensive protection and monitoring functions, the GMP232 provides reliable protection for electrical grids and generators. The ability to detect and respond to a wide range of faults in a timely manner helps prevent equipment damage and system outages. In a large - scale power generation facility, the GMP232 can protect expensive generators from abnormal operating conditions, ensuring their long - term reliability and reducing maintenance costs.​

• The direct relay outputs and rapid response times of the module enhance the overall reliability of the protection system. In case of a fault, the module can quickly trigger the circuit - breakers to isolate the affected area, minimizing the impact on the rest of the network.​

• Efficient Data Management:​

• The integrated real - time data recorder and event logging functions of the GMP232 enable efficient data management. The ability to record and store large amounts of data during events, along with the high - resolution time - stamping, provides valuable information for post - event analysis. Power system operators can use this data to improve the performance of the grid, optimize protection settings, and enhance overall system reliability.​

• The easy - to - use software integration and data export capabilities make it convenient for users to manage and analyze the data. The ability to export data in standard formats such as CSV and COMTRADE allows for seamless integration with other software tools for further data processing and visualization.​

• Power Generation Plants:​

• In a coal - fired power generation plant, the GMP232 can be used to monitor and protect the generators. It measures the electrical parameters of the generator output, such as voltage, current, and frequency, and ensures that they are within the normal operating range. If any abnormalities are detected, the module can trigger protective relays to shut down the generator or take other corrective actions.​

• The GMP232 can also be used to monitor the power quality of the grid connected to the power plant. By measuring harmonics and other power quality parameters, it helps the plant operators identify and address issues that could affect the performance of the grid and the connected equipment.​

• Renewable Energy Installations:​

• In a wind farm, the GMP232 can be installed at the point of common coupling between the wind turbines and the grid. It measures the electrical parameters of the power generated by the wind turbines and ensures that it meets the grid connection requirements. The module can also protect the wind turbines from grid - side faults, such as voltage dips and surges.​

• In a solar power plant, the GMP232 can be used to monitor the performance of the solar inverters and the quality of the power injected into the grid. It measures parameters such as power output, power factor, and harmonics, and provides valuable information for optimizing the operation of the solar power plant.​

• Industrial Facilities:​

• In a large - scale manufacturing plant, the GMP232 can be used to monitor and protect the internal electrical network. It measures the electrical parameters of the power supply to different production lines and equipment, ensuring that the power quality is suitable for the operation of the sensitive manufacturing equipment. If any power quality issues are detected, the module can trigger alarms or take corrective actions to prevent production disruptions.​

• The GMP232 can also be used to protect the industrial facility from grid - side faults. By detecting abnormal grid conditions, it can isolate the facility from the grid to prevent damage to the internal electrical equipment.​

• Utility Grids:​

• In a utility grid, the GMP232 can be installed at various substations to monitor the power quality and grid stability. It measures parameters such as voltage, current, frequency, and harmonics across the grid, providing valuable data for grid operators to manage and optimize the grid operation.​

• The module can also be used to implement grid protection schemes. By detecting faults and abnormal conditions in the grid, it can trigger protective relays to isolate the affected sections of the grid, ensuring the reliable operation of the entire grid.​
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