Application of High Voltage AC Power Supply in Thermal Power Plant Boiler Control

Abstract: With the continuous development of the power industry, thermal power plants, as one of the main sources of electricity supply, play a significant role in ensuring the stability and reliability of their boiler control systems. The high voltage AC power supply, as an essential component of the boiler control system in thermal power plants, is discussed in detail in this article regarding its application.

I. Introduction

The boiler in a thermal power plant is the core equipment in the power generation process, and its operational stability directly affects the quality and safety of electricity supply. To ensure the stable operation of the boiler, precise control is required. Among these, the high voltage AC power supply, as a crucial part of the boiler control system, provides stable power support for various control devices, which is key to ensuring the normal operation of the boiler control system.

II. Application of High Voltage AC Power Supply in Thermal Power Plant Boiler Control

1. Combustion Control System

The combustion control system is the heart of the boiler control in thermal power plants, with its primary task being to control the fuel-air ratio for efficient combustion of the boiler. The high voltage AC power supply provides stable power for equipment such as fans and coal feeders in the combustion control system, ensuring the stable progress of the combustion process. In addition, the high voltage AC power supply can also supply power to sensors and actuators of the combustion control system, achieving precise control of the combustion process.

2. Water Level Control System

The water level control system is an important part of boiler control in thermal power plants, with its main task being to maintain stable boiler water levels by controlling the feedwater flow. The high voltage AC power supply provides stable power for equipment such as pumps and valves in the water level control system, ensuring smooth progress of the water level control process. At the same time, the high voltage AC power supply can also provide power for the measurement and control circuits of water level sensors, achieving precise control of water levels.

3. Steam Temperature Control System

The steam temperature control system is another critical aspect of boiler control in thermal power plants, with its primary task being to ensure the safe operation of the boiler by controlling the steam temperature. The high voltage AC power supply provides stable power for equipment such as desuperheaters and spray valves in the steam temperature control system, ensuring smooth progress of the steam temperature control process. Additionally, the high voltage AC power supply can also provide power for the measurement and control circuits of steam temperature sensors, achieving precise control of steam temperature.

III. Advantages of High Voltage AC Power Supply in Thermal Power Plant Boiler Control

1. High Stability: The high voltage AC power supply has high voltage stability and frequency stability, providing continuous and stable power support for the boiler control system, ensuring its normal operation.

2. Strong Reliability: The high voltage AC power supply adopts advanced manufacturing processes and technologies, possessing high reliability and durability, capable of working normally under harsh environments, and reducing the failure rate of the thermal power plant boiler control system.

3. Energy Saving and Environmental Protection: The high voltage AC power supply has high energy conversion efficiency, reducing energy loss and environmental pollution, in line with the green development direction of the modern power industry.

IV. Conclusion

In summary, the high voltage AC power supply has a wide range of applications in the boiler control of thermal power plants, providing strong support for the stable operation of the boiler control system. With the continuous development of the power industry, the application of high voltage AC power supply in thermal power plant boiler control will be even more extensive, playing a significant role in improving the operating efficiency and safety of thermal power plants.