Through obverse assembling fixed blade through-flow type hydraulic generator

Abstract

The invention discloses a through obverse assembling fixed blade through-flow type hydraulic generator which comprises a rotor mechanism, a stator mechanism, a turning wheel mechanism, a guide vane mechanism, a water inlet tube and a draft tube. The stator mechanism and the rotor mechanism are coaxial; the stator mechanism is located on the inner side of the rotor mechanism; the guide vane mechanism is fixedly installed on the front side of the rotor mechanism; the water inlet tube is arranged in front of the guide vane mechanism; and the draft tube is located on the rear side of the rotor mechanism. The through obverse assembling fixed blade through-flow type hydraulic generator is free of ventilation systems or cooling water systems, good in universality, small in size, low in requirement for materials and long in service life, and a few consumables are needed.

Description

Technical field [0001] The invention relates to the field of hydropower equipment, and in particular to a middle-pass positive-mounted fixed-propeller tubular hydroelectric generator. Background technique [0002] According to the working principle, hydraulic turbines can be divided into two categories: impact turbine and counterattack turbine. [0003] The runner of the impulse turbine is rotated by the impact of the water flow, and the pressure of the water flow does not change during the working process, which is mainly the conversion of kinetic energy; [0004] The runner of the counterattack turbine is rotated in the water by the reaction force of the water flow. During the working process, the pressure energy and kinetic energy of the water flow are changed, but the main pressure energy is the conversion. [0005] According to the direction of water flow, impulse turbines can be divided into two types: cutting type (also known as bucket type) and oblique type. [0006] Counteratt...

AI Technical Summary

Problems solved by technology

[0010] Existing tubular water turbines are all connected to the generator through the main shaft, so as to drive the generator rotor to rotate and cut the magnetic force line to generate electricity. The structure of the turbine and the generator requires at least three bearings, and some models also need to use complex structures and expensive bearings. servomotor

[0011] Moreover, the existing hydraulic generators need to design a ventilation system to dissipate heat from the generator, design a seal, and require a cooling water system to dissipate heat from the generator, requiring at least one thrust point, multiple bearings, stators, rotors, and salient poles, which require high material strength , the rotor temperature cannot be measured in real time, and each group of hydro-generators is a customized machine for different terrains, resulting in raw materials, components, wires and parts that cannot be used in common use, and cannot be mass-produced. The series connection structure of the machine and the exciter results in a huge volume and requires a lot of materials, which directly results in high cost

The capacity cannot be adjusted arbitrarily when the shell remains the same

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