Butterfly valves are commonly used in piping systems to control and regulate flow and speed.
The use of butterfly valve is also relatively simple, easy to operate. And butterfly valve is widely used in all walks of life, is an important control fluid system equipment.
, for air conditioning system: A butterfly valve can control the flow of air conditioning pump and piping system to adjust the temperature of the air conditioning system, so that the air conditioning system can work more efficiently.
2, for water treatment: butterfly valve can be used for water treatment process, can effectively control and adjust the flow of water pipe, carefully adjust the appropriate quality of water.
3, used for power system: butterfly valve can also be used for power system, can effectively control and adjust the flow of water and pressure in the power system, to ensure the normal operation of the power system.
4, used for heating system: butterfly valve can also be used for heating system, can control the flow of hot water piping system and adjust the temperature of the heating system, in order to meet the temperature requirements of the house.
In general, the use of butterfly valves is very wide, from air conditioning systems to water treatment, from power systems to heating systems, a variety of industries can benefit from the use of butterfly valves. Moreover, butterfly valve structure is simple, easy to maintain, for enterprises is also an affordable choice.
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On December 24th, the Liaoning Smart Grid Dispatching Support System underwent a significant upgrade by shifting its online safety and stability analysis data source from local grid data to the entire Northeast Power Grid network data. This change enables real-time monitoring of stability issues caused by faults outside the Liaoning region, allowing for early warnings and detailed analysis of potential disruptions. This development marks a major milestone in enhancing the security and stability management of the Liaoning Power Grid.
Liaoning Power Grid is a typical receiving-end grid, highly sensitive to external conditions. According to historical data, in 2011, the province received a net electricity inflow of 45.5 billion kWh through inter-provincial transmission lines, accounting for nearly 25% of total consumption. During the 12th Five-Year Plan period, as power grid infrastructure expanded rapidly, the grid structure evolved quickly, leading to changing weak points and emerging stability challenges. Increased inter-provincial power exchanges have also introduced more complex fault patterns and tighter system interconnections.
A senior official from the Liaoning Electric Power Dispatch and Control Center emphasized that out-of-zone faults can significantly impact local grid performance. To address this, Liaoning Power Corporation developed an advanced online safety and stability analysis system. It integrates static, transient, dynamic, voltage, frequency, and small-disturbance stability analyses, along with short-circuit current calculations. This comprehensive system provides real-time early warning and coordinated preventive control, enabling multi-dimensional and multi-angle assessments of grid vulnerabilities.
After transitioning the data source to the full Northeast Power Grid network, the Liaoning Dispatch Center overcame previous limitations where external equipment couldn't be included in online stability analysis. This enhancement improved data preparation accuracy and strengthened decision-making support for real-time stability assessments. The new system allows for timely safety alerts, boosts operational efficiency, and helps prevent or minimize potential accidents, ensuring a more reliable and secure power supply.