By adjusting the excitation control parameters, it can quickly respond to grid changes and ensure the stable operation of the power system.

Apply artificial intelligence and machine learning algorithms to predict and cope with dynamic changes in the power system and improve overall stability.

The modular design makes power equipment easy to disassemble and replace, shorten maintenance time and reduce upgrade costs.

Deploy advanced monitoring systems to detect equipment status in real time, quickly diagnose faults, and ensure that power supply is not interrupted.

Incorporating real high-definition pictures of power systems into the design can intuitively display the complexity and professionalism of power facilities and enhance visual impact.

Choosing the generator operating interface as the background can create a sense of industrial and technological sense, making the design closer to the actual operating environment.

Through the superposition of translucent blue masks, rich visual depth can be created, making the design works distinct and enhancing the user's visual experience.

The translucent blue mask can soften the background, making the text information more prominent, while avoiding the interference of background elements on reading and maintaining the user's concentration.

The white characters have a deep background, the information is eye-catching, and any light is clearly readable.

Bolded fonts make the title subtitles eye-catching, improving reading efficiency, especially when reading quickly.

The sans serif font is simple and clear, suitable for technological design.

Font details are processed to enhance the sense of technology and show professional image.

The excitation regulator stabilizes the voltage and improves the dynamic performance of the power.

Limit functions to ensure power safety and stability.

The control device has overvoltage, overcurrent and overfrequency limiting functions.

Limited parameters and vibration prevention, increase the stability and reliability of the power grid.

Limit functions to ensure safety of power equipment and efficient grid.

Research on the principle of limiting functions to improve the life of power protection.

The principle of overexcitation limit ensures that the motor will not be damaged due to excessive current during operation, and ensures the safety of the equipment.

The underexcitation limiting principle ensures stability in the power system and prevents equipment damage by limiting the abnormal growth of current.

In power systems, accurate balance between frequency and voltage is crucial to ensure the stability and efficiency of equipment operation.

In the stator current limit principle, winding protection is a key link to ensure that the motor will not be damaged due to overload when running.

By integrating firewall, intrusion detection system and data encryption technology, a multi-level defense system has been built.

Through the specific case display of the application effect of the catalog in actual work, and analyze its impact on improving work efficiency and accuracy.

Looking back, technological development has undergone a tremendous transformation from machinery to electronics and then to the digital age. Looking ahead, cutting-edge technologies such as artificial intelligence and quantum computing indicate new changes.

Here, we sincerely thank everyone who has worked hard for this book. Your support is our driving force for progress. We sincerely invite you to share your insights and experiences with us and discuss the infinite possibilities of the catalog.

As the core equipment of the power system, the generator is the basis for ensuring the stable operation of the power grid, and its performance directly affects the reliability of the entire power supply.

Generators are responsible for the important task of converting coal, hydraulic, wind and other energy into electricity, and are an indispensable source of power for modern industrial civilization.

The excitation regulator accurately controls the generator excitation current to ensure stable power output.

The excitation regulator effectively maintains the stability of the power system and high-quality power supply by adjusting the excitation.

During the motor operation, the overexcitation phenomenon will cause the rotor current to increase abnormally, which will cause the rotor to overheat. In severe cases, it can cause the rotor to burn and cause irreversible damage to the equipment.

In the underexcitation state, the electromagnetic torque of the motor decreases and cannot effectively stabilize the load, which easily causes oscillation of the entire power system and affects the power supply quality and equipment safety.

Overexcitation state refers to the excitation current of the synchronous motor or generator exceeding its rated value, resulting in an abnormal increase in the internal magnetic field strength of the motor.

In the overexcitation state, the rotor winding is subjected to too much current, generating too much heat, which can cause the winding to overheat and even damage the motor.

The generator excitation current is monitored in real time through Hall sensors.

When the excitation current exceeds the limit, the control system automatically adjusts the excitation voltage to limit the current.

The flow chart includes steps such as sampling, judgment, adjustment, and output.

Underexcitation causes insufficient reactive power of the generator, which affects the grid voltage and stable operation of the system.

Under-excitation restrictions lead to insufficient power supply, reducing the risk of stability and increasing the collapse, threatening the safety of the power grid.

Monitoring the generator parameters can determine whether it is underexcited and combined with the excitation system response.

Automatic excitation regulator is used to accurately control the excitation current to solve the problem of underexcitation.

When operating at low frequency, the voltage increases the flux density proportional to the frequency, which easily leads to saturation of the iron core, affecting the performance and efficiency of the motor.

Low-frequency operation leads to an increase in the magnetic flux density of the iron core, causing overheating to damage the motor structure and even safety accidents. There are many examples in history.

The V/F value is calculated by the ratio of motor voltage to frequency, and motor parameters and load conditions must be taken into account to ensure efficiency and performance.

The regulator monitors the voltage and frequency of the motor in real time and dynamically adjusts the ratio of the two to ensure that the V/F value is stable within the preset range, thereby maintaining the efficient operation of the motor.

Excessive stator current may cause the motor to overheat, accelerate the aging of the insulation material, and even burn the motor windings, affecting the equipment life and operation safety.

The stator current is monitored in real time through current transformers and special monitoring instruments, and the data is analyzed to prevent overloading and ensure that the motor is operating within the safe current range.

By adjusting the excitation current, the stator current of the motor can be effectively controlled to prevent overload and ensure stable operation of the motor.

The flow chart graphically displays the dynamic process of stator current control, including key steps such as detection, analysis and regulation.

In the system, different limiting functions need to cooperate with each other to ensure optimal overall performance.

Through the logical relationship diagram, the interactions and dependencies between various restricted functions can be clearly shown.

When a short circuit failure occurs in the power grid, the protection device operates quickly, and the circuit breaker cuts off the faulty circuit in time to prevent overload and equipment damage.

The generator model is SFG-12004. It is a high-performance synchronous generator, widely used in thermal power plants, with good stability and reliability.

The excitation regulator used is a static excitation system, which has the characteristics of fast response speed and high adjustment accuracy, and can effectively improve the power quality of the power plant.

The basic structure of the power system includes four links: power generation, power transmission, power substation and power distribution, ensuring that the power energy is efficiently and stably transmitted from the power plant to the user end.

Under different operating conditions, the degree of limitation of equipment functions varies and needs to be optimized in a targeted manner.

Summary of successful cases and found that many of them are flexible adjustment strategies; the problem stems from neglecting the differences in working conditions.

The principle of limiting functional emphasises the constraints on specific functions in system design to ensure system stability and security.

Using mind maps, you can intuitively review the key points of restricting functional principles and improve learning efficiency.

With the advancement of technology, intelligent control algorithms will be more widely used in power systems to improve operating efficiency and reliability.

The power equipment will achieve closer interconnection, optimize the overall performance through deep integration and reduce the failure rate.

Using big data analysis and artificial intelligence technology, power system failures will be predicted in advance, achieving accurate diagnosis and rapid response.

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