SU1473017A1 - Hydrogenerator - Google Patents

Abstract

The invention relates to electrical engineering. The purpose of the invention is to increase reliability and durability by trapping oil vapors and dust. The hydrogenerator contains a rotor, a stator and brakes-jacks 3 with brake pads 4. The brake disc 5 is fixed on the laminated rim. On the inner and outer sides of the brakes there are located sealing vertical concentric panels 7 and 8, forming with the horizontal panels 10, 11 and 12 a dust and steam trap connected to the suction element 13. The shield 7 rests on the column 9 and is made with regard to free access to the brakes 3. The collected dust generated from the wear of the cushions is discharged into the drainage collector 16. 3 Cp f-ly, 2 ill.

Description

The invention relates to electrical engineering, to the design of vertical hydrogenerators, in the lower part of which, under the rotor, there are devices for braking the unit when it is stopped and lifted if necessary (repair, inspection) in the form of jack brakes installed and fixed to the foundation.

The purpose of the invention is to increase reliability and durability by trapping oil vapors and dust arising from srabatyshki brake pads, ease of monitoring the status of brake pads.

In Fig.1, this generator, in Fig.2 dust collector, cross section.

The hydrogenerator consists of the rotor 1, the stator 2 and is equipped with a system of brake jacks 3, which are designed to brake the rotor 1 or to lift the rotor, if necessary, during operation. Each of the brake jacks 3 is provided with brake pads 4 of retinax-type material, which, in the process of braking or lifting the rotor, rest on the brakes on the brake disk 5 attached to the lower plane 6 of the laminated rim. In the process of braking, the cushion 4 wears out from friction with the brake disc 5, there is a significant amount of dust consisting of particles of brass, asbestos, barite, phenol-formaldehyde resin.

In order to ensure the increased operational reliability of the generator by eliminating the ingress of the mentioned dust particles on the windings of the rotor 1, the stator 2 and the core. The hydrogenerator is equipped with a dust and moisture separator consisting of sealing vertical concentric shields 7 and 8j located on the inner and outer sides of the brakes, Shch-7 rests on a rack 9, and horizontal, shields 10-12.

Each of the shields is made of a composite of segments connected by means of fasteners to a single annular dust and steam trap chamber connected to the suction element 13. The shield 10 may be made of organic glass.

The dust and moisture trap chamber is connected to the suction element I3, creating a zone of reduced pressure,

by means of hoses 14. V. in places of interface of hoses with a dust and moisture trap chamber. transitional connecting upper sleeves are provided. 15. In order to improve the suction of dust from

Chambers The upper fittings 1 5 at the points of attachment to the shields on the mating ends have a funnel shape. The area of the intake part of the fitting 15 with respect to the cylindrical part

The bushing is larger and depends on the radial width of the horizontal shield of the chamber.

Each of the suction hoses is connected to an annular drainage collector 16, and their mating is performed by means of cylindrical fittings 17.

The assembled camera is fixed to the beams 18 supported on the vertical outer shield 8 and pillars 9. The inner shield 7 is made with regard to free access to the brakes 3. There is an air gap between the shields and the brake pads

providing free movement of pillows.

The proposed design works as follows.

In braking mode rotor 1 still

continues to rotate. In order to quench its rotational speed, air is supplied to the inside of the brake jacks 5; pressure, under the action of which the brake pistons with fixed

these brake pads 4 rise and come into contact with the disk 5. As a result of the friction of the brake pads 4 on the disk 5, the pads wear out, the particles of which are ejected from the rotor spinning effect towards the outer diameter, and to prevent the particles of the worn brake pads from coming into contact with the active parts cars with internal

and the outer sides of the brakes are mounted shields 7,8,10-12. For removal of the fallen particles of brake pads in the lower part of the chamber, provide for the installation of suction hoses

14, through which the collected dust is removed from the chamber to the drain ring collector 16, this ensures the clean state of the windings and core, which significantly

contributes to the reliability and durability of the hydrogenerator.

Thanks to the use of a dust and water catching device, generator downtime caused by repair of its parts from winding closures and dust cleaning is significantly reduced, which provides additional power generation.

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Claims (4)

Formula images . A hydrogenerator containing a stator with a winding, a rotor with poles, a braking system with brakes-jacks having brake pads and a brake disc mounted on the lower part of the laminated rotor rim, characterized in that, in order to increase reliability and durability by trapping oil vapor and dust arising from the brake cushion shafts, there are concentric vertical and horizontal shields attached to the outer and inner sides of the jack brakes. Pschevlagoolppli) 1P (1111 klmeru, which is connected with one another by means of an element (pipe, having cappings reinforced by horizontal shields fittings, and the inner and outer row of horizontal shields are installed with the front parts with an M1 wide gap relative to the torque) pillows. 2. A hydrogenerator according to claim i, characterized in that, in order to ensure ease of monitoring the state of the brake pads, horizontal shits, installed on the inside of the brakes, are made of organic glass. 3.Hydrogenerator on PP.1 and 2, and are distinguished by the fact that The dust and moisture trapping chamber is connected to the octagon through a ring-shaped drainage collector. 4.Hydrogenerator on PP. 1-5, characterized in that top fittings form a funnel. the maximum diameter of which does not exceed the width of the shield.