CN221100938U - Insulation monitoring structure of hydroelectric generator shaft - Google Patents
Insulation monitoring structure of hydroelectric generator shaft Download PDFInfo
- Publication number
- CN221100938U CN221100938U CN202322672865.XU CN202322672865U CN221100938U CN 221100938 U CN221100938 U CN 221100938U CN 202322672865 U CN202322672865 U CN 202322672865U CN 221100938 U CN221100938 U CN 221100938U
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- CN
- China
- Prior art keywords
- carbon brush
- base plate
- insulating base
- measuring
- shaft
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- 238000009413 insulation Methods 0.000 title claims abstract description 72
- 238000012544 monitoring process Methods 0.000 title claims abstract description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 136
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 136
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 239000010949 copper Substances 0.000 claims abstract description 28
- 244000185238 Lophostemon confertus Species 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 9
- 230000001502 supplementing effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000012774 insulation material Substances 0.000 abstract description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- Motor Or Generator Current Collectors (AREA)
Abstract
The utility model discloses a water turbine generator shaft insulation monitoring structure which comprises a shaft insulation copper strip, a carbon brush support I (1), an insulation layer (2), a measurement carbon brush I (4), a measurement ring (5), a carbon brush support II (6) and a measurement carbon brush II (7); according to the utility model, the measuring carbon brush holder is arranged on the outer side of the measuring ring, the position convenient to install can be selected by oneself, and the insulation resistance value of the shaft insulating copper strip in the insulation material between the guide bearing sliding rotor and the top shaft is measured, so that the insulation resistance value of the surface of the measuring ring and the sliding rotor is monitored, the defect that the water turbine air supplementing device and the main shaft fixing part in the shaft current monitoring system are not insulated and form local circulation after connection so as to be monitored to generate false alarm is effectively eliminated, and the accuracy of the unit health state monitoring result is ensured.
Description
Technical Field
The utility model relates to the field of hydraulic generators, in particular to an insulation monitoring structure of a hydraulic generator shaft.
Background
The hydraulic generator can produce the axle voltage when running, in order to prevent forming great axle electric current, has designed the axle insulation structure in order to block the electric current return circuit between last guide sliding rotor and the big axle, if the axle insulating properties decline, can cause last guide bearing oil film to be broken down, lubricating oil degradation, more serious can cause accidents such as vibration increase, bearing burn tile. At present, most hydroelectric generating sets only monitor shaft current, the magnitude of the shaft current indirectly reflects the insulation state of shaft insulation, and the shaft current is increased due to the fact that the shaft insulation performance is reduced. However, the hydroelectric generating set with the shaft current monitoring system has the problem that a local current loop is generated by connection with a water turbine air supplementing device in a main shaft of the set to generate false alarm, and the insulation resistance for monitoring the insulation of the upper guide sliding rotor shaft can more directly show the state of the upper guide bearing.
Therefore, the shaft insulation is required to be monitored on line, and the shaft insulation state is analyzed, so that the health state of the unit is more accurately judged, risks are timely found, and accidents are avoided.
Disclosure of utility model
The utility model aims to provide a water turbine generator shaft insulation monitoring structure which comprises a shaft insulation copper belt, a carbon brush support I, an insulation layer, a measurement carbon brush I, a measurement ring, a carbon brush support II and a measurement carbon brush II.
The shaft insulating copper strip is arranged in an insulating layer between the upper guide bearing sliding rotor and the top shaft of the hydraulic generator.
The shaft insulating copper strip is connected with the measuring ring through a connecting lead.
The measuring ring is arranged on the upper guide bearing runner.
The carbon brush support I is arranged on the outer side of the measuring ring.
The carbon brush support II is arranged on the surface of the upper guide bearing sliding rotor.
The carbon brush support I and the carbon brush support II are respectively used for supporting the measuring carbon brush I and the measuring carbon brush II.
One end of the measuring carbon brush I is contacted with the shaft insulating copper strip, and the other end of the measuring carbon brush I is connected with a transmission line.
And the measuring carbon brush I monitors the resistance of the shaft insulating copper strip and transmits the resistance through a transmission line.
One end of the measuring carbon brush II is contacted with the upper guide bearing sliding rotor of the hydraulic generator, and the other end of the measuring carbon brush II is connected with a transmission line.
And the measuring carbon brush II monitors the resistance of the upper guide bearing sliding rotor and transmits the resistance through a transmission line.
Further, the insulating layer is provided with a through hole for leading out the connecting lead.
Further, a shaft insulation signal processing unit chip is also included.
The shaft insulation signal processing unit chip is connected with the measuring carbon brush I and the measuring carbon brush II through transmission lines and receives the resistance from the measuring carbon brush I and the measuring carbon brush II.
Further, the carbon brush support I comprises an insulating base plate I, a plurality of pull rods I, an insulating base plate II and a brush box I.
One end of the insulating base plate I is fixedly connected with the upper frame of the hydraulic generator, and a plurality of through holes are formed in the other end of the insulating base plate I.
One end of the pull rod I penetrates through the through hole of the insulating base plate I and is fixed through a bolt, so that the pull rod I is vertically connected to the insulating base plate I.
The other end of the pull rod I penetrates through the through hole of the insulating base plate II and is fixed through a bolt, so that the insulating base plate II is vertically connected to the pull rod I.
The brush box I is used for placing the measuring carbon brush I.
The brush box I is provided with a through hole, and a transmission line connected with the measuring carbon brush I is led out from the through hole on the brush box.
Further, the carbon brush support II comprises an insulating base plate III, a pull rod II, an insulating base plate IV and a brush box II.
One end of the insulating base plate II is fixedly connected with the upper frame of the hydraulic generator, and a plurality of through holes are formed in the other end of the insulating base plate II.
One end of the pull rod II penetrates through the through hole of the insulating base plate III and is fixed through a bolt, so that the pull rod II is vertically connected to the insulating base plate III.
The other end of the pull rod II penetrates through the through hole of the insulating base plate II and is fixed through a bolt, so that the insulating base plate IV is vertically connected to the pull rod II.
The brush box II is used for placing the measuring carbon brush II.
And the brush box II is provided with a through hole, and a transmission line connected with the measuring carbon brush II is led out from the through hole on the brush box.
Further, an insulating washer is further arranged between the bolt and the insulating base plate I, the insulating base plate II, the insulating base plate III and the insulating base plate IV.
Further, the distances between the brush box I and the rotating shaft of the hydraulic generator and the distances between the brush box II and the rotating shaft of the hydraulic generator are all larger than 5mm.
Further, the transmission line is encased within an insulating sleeve.
The utility model has the technical effects that the measuring carbon brush holder is arranged outside the measuring ring, the position convenient to install can be selected by oneself, the insulation resistance value of the shaft insulating copper strip in the insulation material between the guide bearing sliding rotor and the top shaft is measured, so that the insulation resistance value of the surface of the measuring ring and the sliding rotor is monitored, the defect that the air supplementing device of the water turbine and the fixing part of the main shaft in the shaft current monitoring system are not insulated and form local circulation after connection so as to be monitored and false alarm is avoided is effectively eliminated, and the accuracy of the monitoring result of the health state of the machine set is ensured.
According to the utility model, the measuring carbon brush on the outer side of the measuring ring is connected with the shaft insulating copper belt through the measuring ring, the insulation resistance value between the carbon brush and the sliding rotor is monitored and transmitted to the shaft insulating signal processing unit chip, so that the data support is provided for the shaft insulating signal processing unit chip to judge whether the upper guide shaft insulation meets the unit operation requirement or not, and the accuracy of the unit health state monitoring result is improved.
Drawings
FIG. 1 is a schematic illustration of the design of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a physical diagram;
in the figure, a carbon brush support I1, an insulating layer 2, an upper guide bearing sliding rotor 3, a measuring carbon brush I4, a measuring ring 5, a carbon brush support II6, a measuring carbon brush II7, a top shaft 8, a transmission line 9 and a shaft insulating copper belt 10.
Detailed Description
The present utility model is further described below with reference to examples, but it should not be construed that the scope of the above subject matter of the present utility model is limited to the following examples. Various substitutions and alterations are made according to the ordinary skill and familiar means of the art without departing from the technical spirit of the utility model, and all such substitutions and alterations are intended to be included in the scope of the utility model.
Example 1:
Referring to fig. 1 to 3, an insulation monitoring structure for a shaft of a water turbine generator comprises a carbon brush support I1, an insulation layer 2, a measuring carbon brush I4, a measuring ring 5, a carbon brush support II6, a measuring carbon brush II7 and a shaft insulation copper belt 10.
The shaft insulating copper strip 10 is arranged in the insulating layer 2 between the upper guide bearing sliding rotor 3 and the top shaft of the hydraulic generator.
The shaft insulating copper strip 10 is connected to the measuring ring 5 by means of connecting leads.
The measuring ring 5 is arranged on the upper guide bearing runner 3.
The carbon brush holder I1 is arranged outside the measuring ring 5.
The carbon brush support II6 is arranged on the surface of the upper guide bearing rotor 3.
The carbon brush support I1 and the carbon brush support II6 are respectively used for supporting the measuring carbon brush I4 and the measuring carbon brush II7.
One end of the measuring carbon brush I4 is in contact with the shaft insulating copper belt 10, and the other end of the measuring carbon brush I is connected with a transmission line 9.
The measuring carbon brush I4 monitors the resistance of the shaft insulating copper strip 10 and transmits it out through the transmission line 9.
One end of the measuring carbon brush II7 is contacted with the upper guide bearing sliding rotor 3 of the hydraulic generator, and the other end of the measuring carbon brush II is connected with a transmission line 9.
The measuring carbon brush II7 monitors the resistance of the upper guide bearing runner 3 and transmits it out through the transmission line 9.
The insulating layer 2 is provided with a through hole for leading out the connecting lead.
The device also comprises a shaft insulation signal processing unit chip.
The shaft insulation signal processing unit chip is connected with the measuring carbon brush I4 and the measuring carbon brush II7 through the transmission line 9, and receives the resistance from the measuring carbon brush I4 and the measuring carbon brush II 7.
The carbon brush support I comprises an insulating base plate I, a plurality of pull rods I, an insulating base plate II and a brush box I.
One end of the insulating base plate I is fixedly connected with the upper frame of the hydraulic generator, and a plurality of through holes are formed in the other end of the insulating base plate I.
One end of the pull rod I penetrates through the through hole of the insulating base plate I and is fixed through a bolt, so that the pull rod I is vertically connected to the insulating base plate I.
The other end of the pull rod I penetrates through the through hole of the insulating base plate II and is fixed through a bolt, so that the insulating base plate II is vertically connected to the pull rod I.
The brush box I is used for placing the measuring carbon brush I4.
The brush box I is provided with a through hole, and a transmission line 9 connected with the measuring carbon brush I4 is led out from the through hole on the brush box.
The brush box I is used for placing the measuring carbon brush I4.
The brush box I is provided with a through hole, and a transmission line 9 connected with the measuring carbon brush I4 is led out from the through hole on the brush box.
The carbon brush support II comprises an insulating base plate III, a pull rod II, an insulating base plate IV and a brush box II.
One end of the insulating base plate II is fixedly connected with the upper frame of the hydraulic generator, and a plurality of through holes are formed in the other end of the insulating base plate II.
One end of the pull rod II penetrates through the through hole of the insulating base plate III and is fixed through a bolt, so that the pull rod II is vertically connected to the insulating base plate III.
The other end of the pull rod II penetrates through the through hole of the insulating base plate II and is fixed through a bolt, so that the insulating base plate IV is vertically connected to the pull rod II.
The brush box II is used for placing the measuring carbon brush II7.
The brush box II is provided with a through hole, and a transmission line 9 connected with the measuring carbon brush II7 is led out from the through hole on the brush box.
And an insulating gasket is further arranged between the bolt and the insulating base plate I, between the bolt and the insulating base plate II, between the bolt and the insulating base plate III and between the bolt and the insulating base plate IV.
The distance between the brush box I and the rotating shaft of the hydraulic generator and the distance between the brush box II and the rotating shaft of the hydraulic generator are all larger than 5mm.
The transmission line 9 is encased in an insulating sleeve.
Example 2:
The utility model provides a hydro-generator shaft insulation monitoring structure, includes axle insulation copper strips 10, carbon brush support I1, insulating layer 2, measures carbon brush I4, measures ring 5, carbon brush support II6, measures carbon brush II7.
The shaft insulating copper strip 10 is arranged in the insulating layer 2 between the upper guide bearing sliding rotor 3 and the top shaft of the hydraulic generator.
The shaft insulating copper strip 10 is connected to the measuring ring 5 by means of connecting leads.
The measuring ring 5 is arranged on the upper guide bearing runner 3.
The carbon brush holder I1 is arranged outside the measuring ring 5.
The carbon brush support II6 is arranged on the surface of the upper guide bearing rotor 3.
The carbon brush support I1 and the carbon brush support II6 are respectively used for supporting the measuring carbon brush I4 and the measuring carbon brush II7.
One end of the measuring carbon brush I4 is in contact with the shaft insulating copper belt 10, and the other end of the measuring carbon brush I is connected with a transmission line 9.
The measuring carbon brush I4 monitors the resistance of the shaft insulating copper strip 10 and transmits it out through the transmission line 9.
One end of the measuring carbon brush II7 is contacted with the upper guide bearing sliding rotor 3 of the hydraulic generator, and the other end of the measuring carbon brush II is connected with a transmission line 9.
The measuring carbon brush II7 monitors the resistance of the upper guide bearing runner 3 and transmits it out through the transmission line 9.
Example 3:
The technical content of the insulation monitoring structure of the hydroelectric generator shaft is the same as that of the embodiment 2, and further, the insulation layer 2 is provided with a through hole for leading out a connecting lead.
Example 4:
The hydraulic generator shaft insulation monitoring structure has the technical content as in any one of embodiments 2-3, and further comprises a shaft insulation signal processing unit chip.
The shaft insulation signal processing unit chip is connected with the measuring carbon brush I4 and the measuring carbon brush II7 through the transmission line 9, and receives the resistance from the measuring carbon brush I4 and the measuring carbon brush II 7.
Example 5:
The insulation monitoring structure of the shaft of the water turbine generator has the technical content as in any one of embodiments 2-4, and further, the carbon brush support I comprises an insulation base plate I, a plurality of pull rods I, an insulation base plate II and a brush box I.
One end of the insulating base plate I is fixedly connected with the upper frame of the hydraulic generator, and a plurality of through holes are formed in the other end of the insulating base plate I.
One end of the pull rod I penetrates through the through hole of the insulating base plate I and is fixed through a bolt, so that the pull rod I is vertically connected to the insulating base plate I.
The other end of the pull rod I penetrates through the through hole of the insulating base plate II and is fixed through a bolt, so that the insulating base plate II is vertically connected to the pull rod I.
The brush box I is used for placing the measuring carbon brush I4.
The brush box I is provided with a through hole, and a transmission line 9 connected with the measuring carbon brush I4 is led out from the through hole on the brush box.
Example 6:
The insulation monitoring structure for a shaft of a water turbine generator has the technical content as in any one of embodiments 2-5, and further, the measuring carbon brush II7 is located below the measuring carbon brush I4.
Example 7:
the insulation monitoring structure for a shaft of a water turbine generator has the technical content as in any one of embodiments 2-6, and further, the carbon brush support II comprises an insulation base plate III, a pull rod II, an insulation base plate IV and a brush box II.
One end of the insulating base plate II is fixedly connected with the upper frame of the hydraulic generator, and a plurality of through holes are formed in the other end of the insulating base plate II.
One end of the pull rod II penetrates through the through hole of the insulating base plate III and is fixed through a bolt, so that the pull rod II is vertically connected to the insulating base plate III.
The other end of the pull rod II penetrates through the through hole of the insulating base plate II and is fixed through a bolt, so that the insulating base plate IV is vertically connected to the pull rod II.
The brush box II is used for placing the measuring carbon brush II7.
The brush box II is provided with a through hole, and a transmission line 9 connected with the measuring carbon brush II7 is led out from the through hole on the brush box.
Example 8:
The insulation monitoring structure of the hydroelectric generator shaft has the technical content as in any one of embodiments 2-7, and further, insulation washers are arranged between the bolts and the insulation backing plates I, II, III and IV.
Example 9:
The hydraulic generator shaft insulation monitoring structure has the technical content as in any one of embodiments 2-8, and further, the distances between the brush box I and the brush box II and the hydraulic generator rotating shaft are all larger than 5mm.
Example 10:
A hydraulic generator shaft insulation monitoring structure, which has the technical content as in any one of embodiments 2-9, further, the transmission line 9 is wrapped in an insulation sleeve.
Example 11:
The utility model provides a hydroelectric generator shaft insulation monitoring structure, includes axle insulation copper strips, measurement ring, measurement carbon brush, carbon brush support. The shaft insulating copper strip is positioned in an insulating material between the upper guide bearing sliding rotor and the top shaft and is led out to the measuring ring through a lead. The measuring ring is positioned on the upper guide sliding rotor in the top cover of the unit, and the outside of the measuring ring is provided with a carbon brush frame, and a proper measuring carbon brush is arranged in the brush frame and used for measuring the resistance value of the shaft insulating copper belt. The carbon brush support is also arranged on the surface of the sliding rotor, and another measuring carbon brush is arranged in the carbon brush support and is used for measuring the insulation resistance of the surface of the sliding rotor. The two measuring carbon brushes are led out to a shaft insulation signal processing unit in the top cover of the unit through a lead wire, and judgment is given whether the shaft insulation state meets the standard or not through monitoring the shaft insulation value.
Example 12:
The installation mode of the insulation monitoring structure of the water turbine generator shaft is as follows:
Measurement ring and slip rotor surface treatment: removing greasy dirt and rust on the surfaces of the measuring ring and the sliding rotor (above the bearing end cover);
Installing a measuring ring and a sliding rotor carbon brush support:
The upper end sealing cover of the upper guide bearing is provided with a carbon brush support of a measuring ring and a carbon brush support of a sliding rotor, as shown in figures 1-2, the distance between a carbon brush box and a rotating shaft is required to be kept at more than 5mm, the center line of the brush box is opposite to the axis of the rotor, the support needs to be subjected to insulation treatment, and the support needs to be firmly combined by using bolts and is provided with an insulation sleeve and an insulation gasket; in fig. 2, a is a schematic cross-sectional view.
And (3) mounting a carbon brush: the carbon brush is arranged in the brush box, the spring is arranged, the carbon brush is ensured to move unimpeded, and the carbon brush lead is connected to the contact terminal of the brush frame.
Claims (10)
1. The utility model provides a hydroelectric generator shaft insulation monitoring structure which characterized in that: the device comprises a carbon brush support I (1), an insulating layer (2), a measuring carbon brush I (4), a measuring ring (5), a carbon brush support II (6), a measuring carbon brush II (7) and a shaft insulating copper belt (10);
The shaft insulating copper belt (10) is arranged in an insulating layer (2) between an upper guide bearing sliding rotor (3) and a top shaft of the hydraulic generator;
the shaft insulating copper strip (10) is connected with the measuring ring (5) through a connecting lead;
The measuring ring (5) is arranged on the upper guide bearing sliding rotor (3);
the carbon brush support I (1) is arranged on the outer side of the measuring ring (5);
The carbon brush support II (6) is arranged on the surface of the upper guide bearing sliding rotor (3);
The carbon brush support I (1) and the carbon brush support II (6) are respectively used for supporting the measuring carbon brush I (4) and the measuring carbon brush II (7);
one end of the measuring carbon brush I (4) is contacted with the shaft insulating copper belt (10), and the other end of the measuring carbon brush I is connected with the transmission line (9);
the measuring carbon brush I (4) monitors the resistance of the shaft insulating copper belt (10) and transmits the resistance out through the transmission line (9);
One end of the measuring carbon brush II (7) is contacted with the upper guide bearing sliding rotor (3) of the hydraulic generator, and the other end of the measuring carbon brush II is connected with a transmission line (9);
The measuring carbon brush II (7) monitors the resistance of the upper guide bearing sliding rotor (3) and transmits the resistance out through the transmission line (9).
2. The insulation monitoring structure of a hydroelectric generator shaft according to claim 1, wherein: the insulating layer (2) is provided with a through hole for leading out the connecting lead.
3. The insulation monitoring structure of a hydroelectric generator shaft according to claim 1, wherein: the device also comprises a shaft insulation signal processing unit chip;
The shaft insulation signal processing unit chip is connected with the measuring carbon brush I (4) and the measuring carbon brush II (7) through the transmission line (9) and receives the resistance from the measuring carbon brush I (4) and the measuring carbon brush II (7).
4. The insulation monitoring structure of a hydroelectric generator shaft according to claim 1, wherein: the carbon brush support I comprises an insulating base plate I, a plurality of pull rods I, an insulating base plate II and a brush box I;
one end of the insulating base plate I is fixedly connected with the upper frame of the hydraulic generator, and the other end of the insulating base plate I is provided with a plurality of through holes;
One end of the pull rod I penetrates through the through hole of the insulating base plate I and is fixed through a bolt, so that the pull rod I is vertically connected to the insulating base plate I;
The other end of the pull rod I penetrates through the through hole of the insulating base plate II and is fixed through a bolt, so that the insulating base plate II is vertically connected to the pull rod I;
The brush box I is used for placing the measuring carbon brush I (4).
5. The insulation monitoring structure of a hydroelectric generator shaft according to claim 4, wherein: the brush box I is provided with a through hole, and a transmission line (9) connected with the measuring carbon brush I (4) is led out from the through hole on the brush box.
6. The insulation monitoring structure of a hydroelectric generator shaft according to claim 4, wherein: the carbon brush support II comprises an insulating base plate III, a pull rod II, an insulating base plate IV and a brush box II;
One end of the insulating base plate II is fixedly connected with the upper frame of the hydraulic generator, and the other end of the insulating base plate II is provided with a plurality of through holes;
one end of the pull rod II passes through a through hole of the insulating base plate III and is fixed through a bolt, so that the pull rod II is vertically connected to the insulating base plate III;
the other end of the pull rod II passes through a through hole of the insulating base plate II and is fixed by a bolt, so that the insulating base plate IV is vertically connected to the pull rod II;
The brush box II is used for placing a measuring carbon brush II (7).
7. The insulation monitoring structure of a hydroelectric generator shaft according to claim 6, wherein: the brush box II is provided with a through hole, and a transmission line (9) connected with the measuring carbon brush II (7) is led out from the through hole on the brush box.
8. The insulation monitoring structure of a hydroelectric generator shaft according to claim 6, wherein: and an insulating gasket is further arranged between the bolt and the insulating base plate I, between the bolt and the insulating base plate II, between the bolt and the insulating base plate III and between the bolt and the insulating base plate IV.
9. The insulation monitoring structure of a hydroelectric generator shaft according to claim 6, wherein: the distance between the brush box I and the rotating shaft of the hydraulic generator and the distance between the brush box II and the rotating shaft of the hydraulic generator are all larger than 5mm.
10. The insulation monitoring structure of a hydroelectric generator shaft according to claim 1, wherein: the transmission line (9) is encased within an insulating sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322672865.XU CN221100938U (en) | 2023-10-07 | 2023-10-07 | Insulation monitoring structure of hydroelectric generator shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322672865.XU CN221100938U (en) | 2023-10-07 | 2023-10-07 | Insulation monitoring structure of hydroelectric generator shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221100938U true CN221100938U (en) | 2024-06-07 |
Family
ID=91314083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322672865.XU Active CN221100938U (en) | 2023-10-07 | 2023-10-07 | Insulation monitoring structure of hydroelectric generator shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221100938U (en) |
-
2023
- 2023-10-07 CN CN202322672865.XU patent/CN221100938U/en active Active
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