What is the relationship between water trucks and water pumps?

Introduction What is the relationship between water tankers and water pumps? There is no direct relationship between the two. These are two different devices used to solve different liquid handling problems. A waterwheel is a device that uses the power of water flow t

What is the relationship between water trucks and water pumps?

There is no direct relationship between the two; These are two different devices used to solve different liquid handling problems.

A waterwheel is a waterwheel machine with adjustable blades or stepped crossbars that uses the power of water flow to operate. Usually used in hydroelectric power generation, irrigation, hydraulic transmission, etc. The working principle of the water wheel is to adjust the angle of the blades according to changes in water level, thereby changing the output speed and realizing energy conversion.

A water pump is a mechanical device that raises liquid from a low place to a high place. Typically used in water supply systems, irrigation, industrial processes, etc. The operating principle of a water pump is to drive the turbine in rotation via selectric, pneumatic or hydraulic power sources, suctioning, pressurizing and thus evacuating the liquid.

After the generator of the hydroelectric plant is connected to the grid, what is the relationship between the opening of the guide vanes, the frequency and the flow rate?

It is a type of hydroelectric production unit. The water turbine generator set generally consists of a water turbine, a water turbine inlet pipe, a water turbine outlet pipe and a generator. The hydraulic turbine is the main component of the turbine generator set. It has several blades when water flows through the turbine, the blades rotate due to the pressure of the water flow, thereby driving the generator connected to the hydraulic turbine to generate. electricity.

The problem is:

1. Before connecting to the network, changes in the opening of the guide vanes will affect the speed of the unit, iti.e. the frequency, because at this time, only the water flow affects the mechanical power of the guide vanes. As the guide vanes open wider, the rotational speed also increases, and then the frequency increases.

2. After being connected to the network, the power conversion of the turbine is the mechanical power of the water flow on the guide vane. Once one side of the generator is connected to the grid, there is electromagnetic. the power, which is the load. After being connected to the network, the mechanical power is converted into electromagnetic power, so when the water flow increases (the opening of the guide vane increases), the load will increase the electromagnetic power after the network; Connection equals mechanical power:

For example, now the water turbine produces electricity. After the turbine was connected to the grid, it received a load of 10,000 KW, and all atsuddenly the network connection switch has been disconnected. If the opening of the guide vane was not adjusted in time, the turbine would definitely overspeed, because at that time the electromagnetic power was 0.

I don't know how say it that way. Can you understand ?

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