IS200EDFFH2A - DC Fanned Feedback Board

IS200EDFFH2A - DC Fanned Feedback Board IS200EDFFH2A - DC Fanned Feedback Board

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SPECIFICATIONS

Part No.: IS200EDFFH2A
Manufacturer: General Electric
Product Type: DC Fanned Feedback Board
Group Variation: H2, Dual System
Number of Channels: 13
Description: I/O Terminal Board
Ac input frequency: 480 Hz maximum
Ambient temperature: 0 to 40°C
Functionality: Field Current and Voltage Feedback
Number of Selector Settings: 8
Fiber-Optic Link: Voltage Isolation between EAUX and EDFF Boards
High-Noise Immunity: Supported by Fiber-Optic Link
Control Sections: Up to Three Redundant Control Sections
Operating System: Dual System
Series: EX2100e
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

IS200EDFFH2A is a DC fanned feedback board developed by GE. It is a part of EX2100e excitation system. The component is characterized by its utilization of a dual system configuration, which enhances its operational performance and redundancy. For seamless operation, the board necessitates the presence of a fiber-optic link. This link serves the essential purpose of establishing voltage isolation between the EAUX and EDFF boards. This isolation not only ensures safe operations but also contributes significantly to noise immunity. Within the model, there exist three distinct groups, each tailored to different system requirements. In the case of the H2 group, to which the component belongs, the model functions within a dual system framework. This design choice augments its capabilities and operational resilience.

IS200EDFFH2A Features

  • Selector Settings for Bridge Voltages Scaling: The board is equipped with eight selector settings, each tailored to scale bridge voltages according to the specific requirements of the bridge application. This adaptability ensures that the board can effectively handle diverse operational scenarios by providing accurate and appropriately scaled bridge voltage measurements.
  • Field Current Measurement Capability: A significant aspect of the board's functionality lies in its capability to measure field currents. This is achieved through the integration of a shunt within the direct current (dc) field circuit. By utilizing this shunt-based approach, the board can precisely monitor field currents, contributing to the overall efficiency and stability of the control system.
  • Fiber-Optic Link for Voltage Isolation and Noise Immunity: The integration of a fiber-optic link between the EUAX and EDFF boards serves multiple purposes. Firstly, it provides essential voltage isolation between the two boards, safeguarding against potential voltage fluctuations or imbalances that could affect their performance. Additionally, the fiber-optic link significantly enhances noise immunity, ensuring that external interference or electrical noise doesn't compromise the accuracy and reliability of the board's measurements.
  • Dual V-F Converter Circuits for Feedback: Central to the EDFF model are two V-F converter circuits. These circuits are strategically utilized for field current and field voltage feedback mechanisms. This dual configuration enhances the board's versatility and capacity to cater to various control scenarios. The V-F converter circuits play a pivotal role in transforming voltage signals into frequency outputs, facilitating efficient feedback loops within the broader control system architecture.
  • Support for Redundancy and Control Sections: Itexhibits exceptional flexibility by accommodating up to three redundant control sections. This design feature ensures a robust and reliable control system by providing backup mechanisms in case of component failures. The board's capacity to manage multiple control sections with redundancy further enhances the overall system's resilience and operational stability.

Dual Control (Power Bridge Warm Backup)

  • Warm backup (WBU) configuration of the EX2100e Regulator system includes dual exciter control I/O and protection. M1 (Master One) and M2 (Master Two) are the control's two IGBT bridges that can accept separate or shared ac input power.
  • Through the transfer module, the control configuration can also share a common dc output circuit to the exciter field. M1 and M2 are separate controls that each have automatic and manual regulator functions. Bridge firing can be controlled by either M1 or M2, as determined by the operator.
  • M1 controls bridge #1 in the WBU configuration, and M2 controls bridge #2. Two independent Universal Controller Stand-alone Board Version B (UCSB) controllers with separate PCMs and an output selector module (SCM or TCM) provide the dc output current for the exciter field to process application software (or SCT control winding).

Fiber-Optic Link Requirement

  • The necessity of a fiber-optic link for the proper functioning of the board cannot be overstated. This link plays a pivotal role in ensuring the board operates as intended, and its importance extends to various aspects of its performance and safety. Here, we will delve into the reasons behind this requirement and how the fiber-optic link benefits the system:
  • Voltage Isolation: The primary purpose of the fiber-optic link is to establish voltage isolation between the EAUX and EDFF boards. Voltage isolation is paramount in applications where electrical safety is a concern. It serves as a barrier that prevents direct electrical connections between different components of the system. This isolation is crucial for protecting both the board and the personnel operating or maintaining the equipment.
  • Safety: The voltage isolation achieved through the fiber-optic link enhances the safety of the board and the entire system. It eliminates the risk of electrical shocks, short circuits, or other electrical hazards that could arise in the absence of isolation. This is especially important in industrial and high-voltage environments where personnel safety is a top priority.
  • Noise Immunity: Another critical advantage of the fiber-optic link is its ability to improve noise immunity. Electrical systems can be susceptible to electromagnetic interference (EMI) and radio frequency interference (RFI), which can introduce unwanted signals and disrupt the proper functioning of sensitive equipment. By using fiber optics, which are immune to these interference sources, the system's overall noise immunity is significantly enhanced.
  • Data Integrity: In addition to voltage isolation and noise immunity, the fiber-optic link ensures the integrity of data transmission between the EAUX and EDFF boards. Fiber optics transmit data via light signals, which are immune to electromagnetic interference and can transmit data over long distances without signal degradation. This reliability is essential in applications where accurate data transfer is critical.
  • Long-Distance Communication: Fiber-optic links are capable of transmitting data over long distances without significant signal loss. This capability is advantageous in scenarios where the EAUX and EDFF boards are physically separated by considerable distances, such as in large industrial facilities or remote installations.
  • Environmental Resistance: Fiber-optic cables are inherently resistant to environmental factors like moisture, chemicals, and temperature fluctuations. This robustness makes them suitable for a wide range of operating conditions, from harsh industrial environments to outdoor installations.
  • Future-Proofing: Incorporating a fiber-optic link into the board's design ensures that the system is prepared for future upgrades and expansions. Fiber-optic technology is well-established and continuously evolving, providing a reliable foundation for long-term system reliability and adaptability.

Selector Settings for Voltage Scaling

  • The selector settings for voltage scaling on this board are a crucial component of its functionality. There are eight distinct selector settings, and each one serves a unique purpose in the process of scaling bridge voltages, which is essential for accurately measuring and interpreting data in various bridge applications. These settings provide the user with the ability to finely calibrate the board, ensuring that it operates at its peak performance level.
  • Precision Calibration: The board's eight selector settings allow for precision calibration. This means that users can finely adjust the scaling of bridge voltages, making it possible to achieve extremely accurate and reliable measurements.
  • Tailored to Specific Applications: Different bridge applications may have varying voltage requirements. The selector settings cater to these differences by offering flexibility in voltage scaling. Users can customize the settings to match the specific needs of their application.
  • Optimal Performance: By adjusting these settings, users can optimize the performance of the board for their unique requirements. This ensures that the board operates efficiently and delivers accurate results, even in challenging or specialized applications.
  • Enhanced Data Accuracy: Accurate voltage scaling is crucial for obtaining precise data from the bridge. The selector settings contribute significantly to data accuracy, as they fine-tune the board's ability to interpret and process voltage signals.
  • Wide Range of Bridge Configurations: Bridge applications can vary widely in terms of their configurations. The eight selector settings cater to this diversity, allowing the board to adapt to different bridge types and arrangements.
  • Reduction of Measurement Errors: With the ability to scale voltages precisely, measurement errors are minimized. This is particularly important in applications where small deviations can have a significant impact on the quality and reliability of the collected data.
  • Improved Calibration Process: These settings simplify the calibration process by providing discrete options for voltage scaling. Users can make incremental adjustments until they achieve the desired level of accuracy, without the need for complex and time-consuming manual calibrations.
  • User-Friendly Operation: The selector settings make the board user-friendly, as they empower users to make necessary adjustments without requiring advanced technical knowledge. This accessibility is valuable for both experienced and novice users.

Measurement Capabilities

  • One of the notable capabilities of the model is its ability to measure field currents.
  • This measurement is achieved through a shunt within the DC field circuit. This feature enhances control and monitoring accuracy.

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Frequently Asked Questions

What is IS200EDFFH2A?
It is a DC fanned feedback board developed by GE

What is the purpose of the fiber-optic link between the EAUX and EDFF boards?
The fiber-optic link provides voltage isolation between the two boards and aids in high-noise immunity.

What type of model is this unit?
This unit is an H2 group model and operates as a dual system.

How many selector settings does the board have?
The board has eight selector settings.

What are the selector settings used for?
The selector settings are used to scale bridge voltages depending on the bridge application.

How many channels does this board have?
The board features 13 channels.

What is the function of this board in a system?
It serves as an I/O Terminal Board, which implies that it likely handles input and output connections in a control or monitoring system.

What is the maximum AC input frequency supported by this board?
The board can handle AC input frequencies up to 480 Hz at maximum.

What is the recommended ambient temperature range for operating this board?
The component is designed to operate within an ambient temperature range of 0 to 40oC.