Hydraulic generators have two modes to choose from: manual and non-manual
In manual mode, players need to pump water into the hydroelectric generator (which can be understood as using water). 'water as fuel)< p>In non-manual mode, the generator needs to be placed in water, which can generate electricity fully automatically, but the efficiency of electricity generation is lower than that of manual mode.
Power production efficiency:
Manual mode = 1eu/t
Power production in non-manual mode is based on a 3 cube *3*3 with the generator as the geometric center Calculate the quantity of water in the water.
Each water grid increases the electricity production by 0.01eu, and the maximum energy production is 0.25eu (the grid occupied by the wire was taken into account when calculating of maximum energy production)
Due to hydroelectric energy production,Water towers have become very important because large-scale water towers have considerable power generation efficiency.
A pumped storage power plant is a hydroelectric power plant that stores electrical energy.
Process: use energy from the power grid when the load is low, pump water from the lower tank to the upper tank to store energy, and when the power grid is under peak load, release the water. to the hydroelectric power station where the lower reservoir produces electricity. Also known as a hydroelectric energy storage plant.
Methods to achieve benefits: In many power grids, due to the expansion of peak-valley differences and various economic reasons, there is an urgent need for power electric peak shaving. Pumped storage power plantsare both good sources of energy for attenuating peaks and offer great flexibility in network distribution. Compared to conventional hydropower plants, in addition to having the same functions of peak regulation, phase regulation and backup, it can also use energy during low valley periods (called valley filling) to convert the low-cost electricity from the grid into high-cost energy. , sold electricity. This can bring economic benefits to the entire power grid due to its high price for peak electricity.
Pumped-storage unit: A three-phase salient-pole synchronous motor used in pumped-storage power plants. It can be used to regulate system load in electrical systems. When there is excess electricity in the system, the pumped storage motor operates like an electric motor.e, driving a water pump (turbine) to pump water downstream into the reservoir, converting the electrical energy into the potential energy of the water and storing it. When there is a peak load in the system, water is released from the reservoir and the hydraulic turbine drives the pumped storage motor to operate as a generator, converting the potential energy of the water from the reservoir of electrical energy to supply the network. . In small pumped storage power plants, the pumped storage motor can be connected to the turbine and the water pump simultaneously, which is called a series unit. This pumped storage motor is not much different from a general synchronous motor. In large pumped-storage power plants, the pumped-storage motor is often connected to a single type of hydraulic machinery, called a reversible unit. When this type of hydraulic machine operates as awater turbine and a water pump, not only its rotation direction is different, but also in order to improve the operating efficiency of a water pump, the rotation speed should be increased appropriately compared to that of a water turbine. Therefore, the pumped storage motor must not only rotate forward and reverse, but also. The number of poles of the motor can be changed accordingly to change the speed according to its operating conditions.
Actually, the storage method is: electrical energy -> potential energy -> electrical energy. In some places, when load demand is high (like after everyone goes home in the evening), fill up. the power cannot be satisfied, but once the peak has passed (in the middle of the night when everyone is asleep), electricity consumption has decreased considerably. Thermal engines (thermal power plants)run continuously and take several hours to start and stop (which costs money). Therefore, heat engines generally rarely shut down except to meet dispatching needs. When load demand is low, excess electrical energy cannot be used. If it is wasted, the pumped storage plant can use the excess electricity to pump water, store water, and use that water to produce electricity during peak periods.