IS200EROCH1A
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IS200EROCH1A

  • High – Precision Current Monitoring: The IS200EROCH1A offers extremely precise current monitoring capabilities. It can detect even minor deviations from the normal current levels, with a high degree of accuracy. For example, it can identify an over – current condition that is just 5% above the rated current, enabling early detection and prevention of potential damage.
  • Rapid Response: In case of an over – current event, the board has a very fast response time. It can analyze the current data and trigger the appropriate protective actions within a few milliseconds. This rapid response helps minimize the duration of the over – current situation and reduces the risk of severe damage to the generator and related equipment.
  • Reliability: Built with high – quality components and a robust design, the IS200EROCH1A is highly reliable. It can withstand harsh industrial environments, including electrical noise, voltage fluctuations, and mechanical vibrations. In long – term operation, it has a very low failure rate, ensuring continuous and effective over – current protection for the generator’s excitation system.
  • Flexible Configuration: The board allows for flexible configuration of the over – current protection settings. Users can adjust parameters such as the over – current threshold, the time delay for tripping the circuit breaker, and the type of protective action based on the specific requirements of the generator and the excitation system. This flexibility makes it suitable for a wide range of generator applications.
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Description

1. Product Description

The IS200EROCH1A, a product from GE, is an integral component within generator excitation control systems. It serves as an exciter over – current protection and control board. The primary function of the IS200EROCH1A is to continuously monitor the current flowing through the generator’s exciter circuit. By precisely measuring the current, it can detect any abnormal increases in current levels that may pose a threat to the generator and its associated components.

 

When an over – current situation is detected, which could be due to faults such as short – circuits, ground faults, or sudden load surges, the IS200EROCH1A promptly initiates protective actions. These actions may include sending a signal to trip the circuit breaker, thereby isolating the faulty part of the circuit, or adjusting the excitation current to a safer level. This helps prevent damage to the generator windings, the exciter, and other critical elements of the excitation system, ensuring the stable and reliable operation of the power generation process.

2. Product Parameters

Parameter Specification
Power Supply Operates on a 24V DC power source, which provides a stable and consistent energy supply for the board’s internal operations.
Input Signals Accepts analog current signals from the exciter circuit, typically in the range of 0 – 5A or 4 – 20mA, to accurately represent the current magnitude. It may also receive digital input signals for system status and control commands from the overall excitation control system.
Output Signals Generates digital output signals to activate protective devices. These signals can be used to trip circuit breakers, send alarm notifications to the control room, or communicate with other control components in the system.
Communication Interface Equipped with an RS – 485 serial communication interface, enabling seamless data exchange with other control devices in the excitation system or a central monitoring station. This allows for remote monitoring, configuration adjustment, and diagnostic functions.
Operating Temperature Range Designed to operate within a temperature range of – 20°C to 60°C, making it suitable for use in various environmental conditions, from cold outdoor power plants to warm indoor industrial settings.

3. Advantages and Features

  • High – Precision Current Monitoring: The IS200EROCH1A offers extremely precise current monitoring capabilities. It can detect even minor deviations from the normal current levels, with a high degree of accuracy. For example, it can identify an over – current condition that is just 5% above the rated current, enabling early detection and prevention of potential damage.
  • Rapid Response: In case of an over – current event, the board has a very fast response time. It can analyze the current data and trigger the appropriate protective actions within a few milliseconds. This rapid response helps minimize the duration of the over – current situation and reduces the risk of severe damage to the generator and related equipment.
  • Reliability: Built with high – quality components and a robust design, the IS200EROCH1A is highly reliable. It can withstand harsh industrial environments, including electrical noise, voltage fluctuations, and mechanical vibrations. In long – term operation, it has a very low failure rate, ensuring continuous and effective over – current protection for the generator’s excitation system.
  • Flexible Configuration: The board allows for flexible configuration of the over – current protection settings. Users can adjust parameters such as the over – current threshold, the time delay for tripping the circuit breaker, and the type of protective action based on the specific requirements of the generator and the excitation system. This flexibility makes it suitable for a wide range of generator applications.

4. Application Areas and Application Cases

  • Application Areas: The IS200EROCH1A is mainly used in power generation facilities, such as thermal power plants, hydropower plants, and gas – fired power plants. It is also applicable in industrial settings where large – scale generators are used for self – power generation, including large manufacturing plants, mines, and data centers.
  • Application Case: In a thermal power plant, the IS200EROCH1A is installed in the generator’s excitation system. One day, due to a fault in the exciter’s semiconductor components, an over – current situation occurred. The IS200EROCH1A quickly detected the abnormal current increase. Within milliseconds, it sent a signal to trip the circuit breaker, isolating the faulty part of the circuit. This action prevented damage to the generator windings and the exciter, allowing the power plant to resume normal operation after a short – term maintenance.

5. Comparison with Competing Products

Compared to similar products in the market, the IS200EROCH1A has several advantages. In terms of current monitoring precision, it provides more accurate detection of over – current conditions, enabling earlier intervention. Its rapid response time is superior to many competing products, which can significantly reduce the potential damage caused by over – current events. The reliability of the IS200EROCH1A is also higher, with better resistance to environmental factors and a lower probability of false triggering. Additionally, its flexible configuration options make it easier to adapt to different generator setups and protection requirements.

6. Selection Suggestions

  • Compatibility: Ensure that the IS200EROCH1A is fully compatible with your existing generator excitation system. Check the communication interfaces, power supply requirements, and input/output signal types to avoid integration issues.
  • Performance Requirements: Evaluate your specific application requirements, such as the required over – current detection accuracy, response speed, and the power rating of the generator. Make sure the IS200EROCH1A can meet these performance criteria.
  • Budget: Consider your budget when selecting the product. While the IS200EROCH1A offers high – quality performance, it is important to ensure that it fits within your financial constraints.

7. Precautions

  • Installation: Follow the installation instructions in the product manual carefully. Incorrect wiring, improper grounding, or incorrect mounting can cause damage to the board or lead to false triggering of the over – current protection.
  • Operating Environment: Keep the operating environment of the IS200EROCH1A within the specified temperature and humidity range. Avoid exposing it to strong electromagnetic interference, corrosive substances, and excessive dust, as these 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, including cleaning and component testing, to ensure the long – term reliable operation of the IS200EROCH1A.

 

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