DS2020FECNRP025A

DS2020FECNRP025A is a field exciter module designed and developed by GE. It is a part of the General Electric Drive control system. With a field excitation current capability of up to 24 A, it is capable of effectively exciting the motor field to ensure proper operation and performance. The module is designed to work seamlessly with both non-plugging (NRX) and plugging non-reversing field supply (NRP) systems. This versatility allows it to be utilized in a wide range of motor control applications. It can be integrated into various industrial systems where precise control and regulation of motor field excitation are required. The module is equipped with a 25 A shunt, which further enhances its capabilities in controlling the motor field. The shunt provides additional current capacity and stability, allowing for efficient and reliable operation of the motor. This ensures that the motor operates within the desired range, maintaining optimal performance and preventing any detrimental effects that may arise from improper excitation. As part of the Field Exciter Module for NRXINRP, the component undergoes rigorous testing and quality assurance processes to meet GE's high standards for performance and reliability. It is built using top-quality components and materials, ensuring its durability and longevity in demanding industrial environments. When integrated into the General Electric Drive control system, it contributes to the overall efficiency, accuracy, and stability of motor control operations. It enables precise and responsive field excitation control, ensuring smooth and reliable motor performance across a range of applications.

Features

• Equipped with seven jumpers, numbered JP1 through JP7. Jumpers are small connectors that can be inserted into or removed from designated locations on the board to establish or break connections. They allow for flexibility in configuring the board's circuitry according to specific requirements.
• There are two terminal blocks on the board, each consisting of three terminals. Terminal blocks are modular connectors used to connect and terminate individual wires. In this case, they are responsible for linking single copper signal wires to the board.
• The connectors provide additional options for connecting external devices or components to the board, expanding its capabilities and compatibility with various signal sources.
• Mounted on standoffs, which are plastic structures that elevate and secure the board above another drive component. The standoffs ensure proper positioning and separation between the board and the underlying component, minimizing the risk of interference or damage.
• Signal wires play a crucial role in connecting the board to other boards and components within the drive system. The signals transmitted through these wires can either originate from other devices and flow into the board or be generated by the board and sent to other devices and components. The board processes these signals to ensure they are appropriately prepared for transmission.
• When connecting the components, it is important to align the plastic screws with the threaded portion of the standoffs using a flat-blade screwdriver. This ensures a proper fit and secure attachment between the board, standoffs, and underlying component, promoting stability and reliability in the overall system.
• To provide adequate support and stability, all four standoffs and their corresponding plastic screws should be used when connecting the board. This arrangement helps distribute the weight and stress evenly, preventing any unnecessary strain on individual components and enhancing the overall durability of the setup.
• The two terminal blocks on the board are assigned identification labels. One terminal block is labeled TB1, while the other is labeled TB2. These ID labels help identify and differentiate the terminal blocks during installation, troubleshooting, or any other related activities involving the board.

Characteristics

• Application in Power Generation and Distribution Systems: The module belongs to GE's range of exciter modules that are specifically designed for use in power generation and distribution systems. These exciter modules play a crucial role in regulating the voltage and current output of generators and motors.
• Current Rating and Compatibility: The specific exciter module being referred to in this context has a current rating of 25 amps. It is designed to be compatible with GE's NRX/NRP generators and motors, ensuring optimal performance and seamless integration with the power system.
• Voltage and Current Regulation: The primary function of the exciter module is to regulate the voltage and current output of the connected generator or motor. It accomplishes this through a closed-loop control system, which continuously monitors and adjusts the excitation current based on feedback received from the generator or motor. This control mechanism ensures precise and stable voltage and current levels, contributing to the overall efficiency and reliability of the power generation or motor operation.
• Reliability and Durability: The exciter module is constructed using high-quality components and materials to ensure reliability and durability. It undergoes rigorous testing during the manufacturing process to meet stringent industry standards for safety and performance. This ensures that the module can withstand the demanding operating conditions typically encountered in power generation and distribution systems.
• Advanced Features: The exciter module incorporates advanced features to enhance its functionality and usability. One notable feature is online maintenance, which allows the module to be replaced or repaired while the power system is still operational. This minimizes downtime and improves system availability by enabling maintenance tasks to be performed without interrupting power generation or motor operation.

Grounding

• Grounding the Drive Common (COM): It is important to ground the drive common at only one point to ensure proper grounding and prevent ground loops. If the reference is already supplied by a numerical control or a process instrument with a grounded common, there is no need to provide a separate ground for the drive common. This helps maintain a single reference point for grounding and avoids potential ground loop issues that can cause electrical interference and malfunctions.
• Grounding with an Isolation Transformer: In cases where an isolation transformer is used and requires grounding, it is recommended to use a high resistance ground. This type of grounding helps limit the flow of fault current and minimizes the risk of ground faults and electrical shocks. However, it is essential to comply with local electrical codes and regulations, as they may specify different grounding requirements for isolation transformers.
• Grounding Shielded and Twisted Shielded Wire: When using shielded or twisted shielded wire for connections, it is recommended to ground the shields on one end only, preferably at the drive end. This grounding configuration helps prevent ground loops and ensures effective shielding against electromagnetic interference (EMI). The drive is designed with provisions to tie the shields to the chassis ground at the drive's input/output (I/O) interface, providing a convenient and reliable grounding point for the shields.