The IS200EHPAG2D offers high – precision control over the power supplied to the generator’s field winding. By accurately adjusting the field current based on the input signals, it helps maintain the generator’s output voltage and frequency within very tight tolerances. This is essential for providing high – quality electrical power to the grid or industrial loads.
Reliability
Built with high – quality components and a robust design, it is highly reliable. It can withstand electrical noise, voltage surges, and mechanical vibrations commonly encountered in industrial environments. In long – term operation, it has a low failure rate, which is crucial for the continuous and stable operation of power generation systems.
Fast Response
It has a fast response time to changes in the generator’s operating conditions. When there are sudden changes in load or other electrical parameters, the board can quickly adjust the field current to maintain the stability of the generator’s output. This fast response helps prevent voltage and frequency fluctuations that could disrupt the power supply.
Flexibility
Allows for flexible configuration. Users can adjust various control parameters, such as gain settings, set – points, and control algorithms, according to the specific requirements of different generator types and operating scenarios. This flexibility makes it suitable for a wide range of applications.
The IS200EHPAG2D is a product from General Electric (GE), which is commonly used in the context of generator excitation control systems. It serves as a key component that plays an important role in the power generation process by helping to manage and regulate the electrical power supplied to the generator’s field winding.
2. Product Parameters
Power Supply
It typically operates on a well – regulated DC power supply. The specific voltage requirements usually fall within a standard range, such as 24V DC, which provides a stable source of energy for the internal circuitry of the board. This stable power supply is crucial for the accurate and reliable operation of the device.
Input Signals
Analog Inputs: Can receive various analog signals related to the generator’s operating conditions. For example, it may accept signals representing the generator’s terminal voltage, stator current, and field current. These analog signals are often in the range of 0 – 10V or 4 – 20mA, which are standard industrial signal levels.
Digital Inputs: Also takes in digital input signals. These can be used for status information, like the on – off state of certain protective devices, or control commands from the overall control system.
Output Signals
Control Signals: Generates control signals to adjust the power supplied to the generator’s field winding. These signals are sent to power – control elements such as thyristor firing circuits, which in turn regulate the amount of current flowing into the field winding.
Status Signals: Outputs status signals that indicate the operating state of the board itself, as well as any fault conditions. These signals can be used for monitoring and diagnostic purposes in the control system.
Communication Interface
Equipped with an RS – 485 communication interface. This allows the IS200EHPAG2D to communicate with other devices in the excitation control system, such as the main control unit, monitoring stations, or other peripheral devices. Through this interface, it can transmit data about its operating status, input signal values, and receive configuration and control commands.
Operating Temperature Range
Designed to operate within a temperature range of – 20°C to 60°C. This wide temperature tolerance enables it to be used in different environmental conditions, whether in cold outdoor power plants or warmer indoor industrial settings.
3. Advantages and Features
Precise Control
The IS200EHPAG2D offers high – precision control over the power supplied to the generator’s field winding. By accurately adjusting the field current based on the input signals, it helps maintain the generator’s output voltage and frequency within very tight tolerances. This is essential for providing high – quality electrical power to the grid or industrial loads.
Reliability
Built with high – quality components and a robust design, it is highly reliable. It can withstand electrical noise, voltage surges, and mechanical vibrations commonly encountered in industrial environments. In long – term operation, it has a low failure rate, which is crucial for the continuous and stable operation of power generation systems.
Fast Response
It has a fast response time to changes in the generator’s operating conditions. When there are sudden changes in load or other electrical parameters, the board can quickly adjust the field current to maintain the stability of the generator’s output. This fast response helps prevent voltage and frequency fluctuations that could disrupt the power supply.
Flexibility
Allows for flexible configuration. Users can adjust various control parameters, such as gain settings, set – points, and control algorithms, according to the specific requirements of different generator types and operating scenarios. This flexibility makes it suitable for a wide range of applications.
4. Application Areas and Application Cases
Application Areas
Power Plants: In thermal, hydro, and gas – fired power plants, the IS200EHPAG2D is used in the excitation control systems of generators. It helps ensure that the generators produce a stable and reliable output of electrical power, which is then transmitted to the grid.
Industrial Facilities: Large industrial facilities that have their own power generation systems, such as manufacturing plants, refineries, and data centers, also utilize this board. It enables these facilities to have better control over their power generation and maintain a stable power supply for their critical operations.
Application Case
In a large – scale thermal power plant, the IS200EHPAG2D is installed in the excitation control system of a 300MW generator. As the power demand from the grid fluctuates throughout the day, the load on the generator changes. The IS200EHPAG2D continuously monitors the generator’s terminal voltage and stator current. When the load increases, it quickly adjusts the field current to increase the generator’s output voltage, ensuring that the power supplied to the grid remains stable.
5. Comparison with Competing Products
Control Precision
Compared to some competing products, the IS200EHPAG2D offers higher – precision control. This results in more stable generator output, which is especially important for applications that require high – quality electrical power.
Reliability
GE’s reputation for quality and reliability gives the IS200EHPAG2D an edge over many competing products. Its ability to withstand harsh operating conditions and provide long – term stable operation is a significant advantage.
Communication and Configuration
The RS – 485 communication interface and the flexibility in configuration make it easier to integrate into existing control systems and adapt to different application requirements compared to some competing products with more limited communication and configuration options.
6. Selection Suggestions
Generator Compatibility
Ensure that the IS200EHPAG2D is compatible with the type and power rating of your generator. Consider factors such as the generator’s field winding requirements, input and output signal ranges, and control system architecture.
System Requirements
Evaluate your specific excitation control requirements, such as the desired level of control precision, response time, and communication capabilities. Make sure the board can meet these requirements.
Environmental Conditions
Take into account the operating environment of your application, including temperature, humidity, and electrical noise levels. The board’s operating temperature range and noise – immunity features should be suitable for your specific environment.
Budget
While the IS200EHPAG2D offers high – quality performance, it’s important to consider your budget. Compare the cost of the board with your overall project budget and the features it provides.
7. Precautions
Installation
Follow the installation instructions provided in the product manual carefully. Incorrect wiring, improper grounding, or incorrect mounting can lead to signal interference, inaccurate control, or damage to the board.
Operating Environment
Keep the board within its specified operating temperature and humidity range. Exposure to extreme temperatures, high humidity, or corrosive substances can degrade the performance and lifespan of the board.
Maintenance
Regularly inspect the board for any signs of damage, loose connections, or abnormal operation. Follow the recommended maintenance schedule, which may include cleaning, component testing, and replacement of worn – out parts.
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