CN216390734U - Cooling water supply device for phase modifier rotor - Google Patents
Cooling water supply device for phase modifier rotor Download PDFInfo
- Publication number
- CN216390734U CN216390734U CN202122457710.5U CN202122457710U CN216390734U CN 216390734 U CN216390734 U CN 216390734U CN 202122457710 U CN202122457710 U CN 202122457710U CN 216390734 U CN216390734 U CN 216390734U
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- water supply
- pipeline
- cooling water
- water
- pressure
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- 239000000498 cooling water Substances 0.000 title claims abstract description 50
- 239000003607 modifier Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000005086 pumping Methods 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims description 35
- 230000001276 controlling effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000005284 excitation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a cooling water supply device of a phase modifier rotor, which comprises a water source, a water supply pipeline and a pumping assembly, wherein one end of the water supply pipeline is connected with the water source and a cooling water inlet of the phase modifier rotor, the other end of the water supply pipeline is connected with the water source through the pumping assembly, and the water supply pipeline is connected with a pressure adjusting assembly used for adjusting the water pressure at the cooling water inlet. The cooling water supply device has the advantages of adjusting water supply pressure, avoiding water leakage, being beneficial to ensuring normal and stable operation of the power system, reducing maintenance, reducing cost and the like.
Description
Technical Field
The utility model relates to the technical field of power transmission and distribution equipment, in particular to a cooling water supply device for a phase modulator rotor.
Background
The phase modulator is applied to a power system to improve the power factor of a power grid and maintain the voltage level of the power grid. The reactive power control system can automatically increase reactive output when the voltage of a power grid is reduced according to the requirement of the power system, and absorb reactive power when the voltage of the power grid is increased so as to maintain the voltage, improve the stability of the power system and improve the power supply quality of the system.
The phase modifier during operation need let in cooling water and cool off the rotor, and the current mode of cooling off the camera rotor all adopts the water pump directly to go into the cooling water entry of camera rotor with the cooling water. However, the rotor cooling water flow rate is related to the rotor speed, for example, the cooling water inlet flow rate is 47m when the rotor speed is 3000r/min3The water inlet pressure is 0.2-0.3 MPa, and the water inlet flow is about 13m when the rotating speed of the rotor is 0 or 4r/min3The water inlet pressure is about 0.63 MPa. In the phase modifier shutdown process, the rotor speed can slowly descend, centrifugal force descends synchronously, rotor cooling water flow gradually reduces, and the cooling water is gone into to the water pump running always, can lead to rotor entry water pressure to rise and appear leaking, especially leads to rotor packing department to leak easily, and the water that spills probably leaks to excitation bus department, leads to the excitation equipment accident, needs the shutdown processing, can seriously influence electric power system's normal operating to also can increase the maintenance cost of overhauing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of overcoming the defects in the prior art and provides the cooling water supply device for the phase modifier rotor, which can adjust the water supply pressure, avoid water leakage, is favorable for ensuring the normal and stable operation of a power system, reduces the overhaul and maintenance and reduces the cost.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the cooling water supply device of the phase modifier rotor comprises a water source, a water supply pipeline and a pumping assembly, wherein one end of the water supply pipeline is connected with the water source and a cooling water inlet of the phase modifier rotor, the other end of the water supply pipeline is connected with the water source through the pumping assembly, and the water supply pipeline is connected with a pressure adjusting assembly used for adjusting the water pressure at the cooling water inlet.
As a further improvement of the above technical solution:
the pressure regulating assembly comprises a pressure relief pipeline and a pressure regulating valve arranged on the pressure relief pipeline, and the pressure relief pipeline is communicated with a water supply pipeline between the pumping assembly and the cooling water inlet.
The pressure regulating valve is a ball valve or a stop valve.
And the pressure relief pipeline is also provided with an adjustable pressure relief valve which is positioned on one side of the pressure regulating valve, which is far away from the water supply pipeline.
The water supply pipeline between the pressure regulating valve and the adjustable pressure relief valve is further connected with an exhaust pipeline, and the exhaust pipeline is provided with an exhaust valve used for controlling the on-off of the exhaust pipeline.
The pumping assembly comprises more than two water pumps, each water pump is connected with a water source and a water supply pipeline through an independent connecting pipeline, and two on-off control valves which are respectively arranged on two sides of each water pump are arranged on each connecting pipeline.
And a filter is arranged on the water supply pipeline.
The joint of the pressure relief pipeline and the water supply pipeline is positioned between the filter and the cooling water inlet.
The water source is a water tank, and the pressure relief pipeline is connected to the water tank.
Compared with the prior art, the utility model has the advantages that:
in the cooling water supply device of the phase modifier rotor, the water supply pipeline is connected with the pressure regulating assembly, and the water pressure at the cooling water inlet can be regulated by the pressure regulating assembly, so that the water pressure at the cooling water inlet can be reduced by the pressure regulating assembly in the shutdown process of the phase modifier, the condition of water leakage caused by the pressure increase of the cooling water inlet in the shutdown process of the phase modifier is avoided, the problems of equipment failure and maintenance requirement caused by water leakage are prevented, the normal and stable operation of a power system can be ensured, the overhaul and maintenance are reduced, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a cooling water supply apparatus.
Illustration of the drawings:
1. a water source; 10. a filter; 2. a water supply line; 3. a pumping assembly; 31. a water pump; 32. connecting a pipeline; 33. an on-off control valve; 4. a cooling water inlet; 5. a pressure relief pipeline; 6. a pressure regulating valve; 7. an adjustable pressure relief valve; 8. an exhaust line; 9. and (4) exhausting the valve.
Detailed Description
The utility model is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1, the cooling water supply device of phase modifier rotor of this embodiment includes water source 1, water supply pipeline 2 and pumping module 3, and water source 1 and phase modifier rotor's cooling water inlet 4 are connected to water supply pipeline 2's one end, and water supply pipeline 2's the other end passes through pumping module 3 and links to each other with water source 1, and water supply pipeline 2 is connected with the pressure adjustment subassembly that is used for adjusting cooling water inlet 4 water pressure department. Among this cooling water supply installation of phase modifier rotor, water supply pipeline 2 is connected with pressure regulating assembly, the water pressure of 4 departments of cooling water inlet is adjusted to accessible pressure regulating assembly, thereby usable pressure regulating assembly reduces the water pressure of 4 departments of cooling water inlet in the phase modifier shutdown process, avoid the 4 pressure increase of cooling water inlet and the condition of leaking to appear in the phase modifier shutdown process, prevent because of leaking the problem that leads to equipment trouble and needs the maintenance, can ensure electric power system's normal stable operation, reduce and overhaul the maintenance, and the cost is reduced.
In this embodiment, the pressure regulating assembly includes a pressure relief pipeline 5 and a pressure regulating valve 6 disposed on the pressure relief pipeline 5, and the pressure relief pipeline 5 is communicated with the water supply pipeline 2 between the pumping assembly 3 and the cooling water inlet 4. The pressure can be released by the pressure regulating valve 6 to regulate the water pressure in the pressure releasing line 5, the water supply line 2 and the cooling water inlet 4. The pressure adjusting assembly has the advantages of simple structure, low cost, easiness in implementation and convenience in adjustment.
In this embodiment, the pressure regulating valve 6 is a ball valve or a stop valve, and the pressure relief pressure can be regulated by regulating the opening of the ball valve or the stop valve, so that the pressure regulating valve is low in cost and simple and convenient to regulate.
In this embodiment, preferably, the pressure relief pipeline 5 is further provided with an adjustable pressure relief valve 7, and the adjustable pressure relief valve 7 is located on a side of the pressure regulating valve 6 away from the water supply pipeline 2. The adjustable pressure relief valve 7 can realize the automatic and accurate water pressure in the pressure relief pipeline 5, the water supply pipeline 2 and the cooling water inlet 4, and the pressure of the adjustable pressure relief valve 7 can be adjusted, so that different pressure relief requirements can be met by adjusting. After the adjustable pressure relief valve 7 is arranged, the pressure regulating valve 6 is only used as a valve for controlling the on-off of the pressure relief pipeline 5 and is used for controlling whether pressure is relieved or not, the pressure regulating valve 6 is opened when pressure is required to be relieved and regulated, and is closed when pressure is not required to be relieved and regulated.
In this embodiment, the water supply pipeline 2 between the pressure regulating valve 6 and the adjustable pressure relief valve 7 is further connected with an exhaust pipeline 8, and the exhaust pipeline 8 is provided with an exhaust valve 9 for controlling the on-off of the exhaust pipeline 8. The exhaust valve 9 can be used for exhausting before operation or after maintenance of the water supply pipeline 2, and an exhaust system does not need to be arranged independently, so that the reduction of pipelines, the improvement of the structural compactness and the cost saving are facilitated. And the exhaust pipeline 8 is connected on the water supply pipeline 2 between the pressure regulating valve 6 and the adjustable pressure relief valve 7, the pressure regulating valve 6 has a front end control function on the on-off of the exhaust pipeline 8, and online replacement and maintenance are convenient when the exhaust valve 9 fails.
In this embodiment, the pumping assembly 3 includes two water pumps 31, each water pump 31 is connected to the water source 1 and the water supply pipeline 2 through an independent connection pipeline 32, and each connection pipeline 32 is provided with two on-off control valves 33 respectively disposed on two sides of the water pump 31. The two water pumps 31 can independently control the water pump of the water source 1 to be delivered to the water supply pipeline 2, and any one or two water pumps 31 can be selected as required to supply water, so that the flexible selection of flow and pressure is realized. Because each connecting pipeline 32 is provided with two on-off control valves 33 respectively arranged at two sides of the water pump 31, the two on-off control valves 33 on any connecting pipeline 32 are closed, so that the connecting pipeline 32 can be closed, the operation and the selection are convenient, and when the water pump 31 breaks down or needs to be maintained, the water pump 31 can be maintained on line only by closing the two on-off control valves 33 on the connecting pipeline 32 where the water pump 31 is located.
In this embodiment, the filter 10 is disposed on the water supply pipeline 2 to prevent foreign matters from entering the phase modulator to affect the performance or normal operation thereof.
In this embodiment, the connection between the pressure release pipeline 5 and the water supply pipeline 2 is located between the filter 10 and the cooling water inlet 4, so that the filtered water is released through the pressure release pipeline 5 and the pressure regulating valve 6 during pressure release, thereby avoiding foreign matters from affecting the pressure release pipeline 5 and the pressure regulating valve 6, and ensuring the working performance and the service life thereof.
In this embodiment, the water source 1 is a water tank, and the pressure relief pipeline 5 is connected to the water tank to perform centralized processing and recycling of the water flowing out after pressure relief.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. Modifications and variations that may occur to those skilled in the art without departing from the spirit and scope of the utility model are to be considered as within the scope of the utility model.
Claims (9)
1. The utility model provides a cooling water supply installation of phase modifier rotor, includes water source (1), water supply line (2) and pumping module (3), the one end of water supply line (2) is connected water source (1) with cooling water inlet (4) of phase modifier rotor, the other end of water supply line (2) passes through pumping module (3) with water source (1) link to each other, its characterized in that: the water supply pipeline (2) is connected with a pressure adjusting assembly for adjusting the water pressure at the cooling water inlet (4).
2. The cooling water supply apparatus according to claim 1, characterized in that: the pressure regulating assembly comprises a pressure relief pipeline (5) and a pressure regulating valve (6) arranged on the pressure relief pipeline (5), and the pressure relief pipeline (5) is communicated with a water supply pipeline (2) between the pumping assembly (3) and the cooling water inlet (4).
3. The cooling water supply apparatus according to claim 2, characterized in that: the pressure regulating valve (6) is a ball valve or a stop valve.
4. The cooling water supply apparatus according to claim 3, characterized in that: the pressure relief pipeline (5) is further provided with an adjustable pressure relief valve (7), and the adjustable pressure relief valve (7) is located on one side, far away from the water supply pipeline (2), of the pressure regulating valve (6).
5. The cooling water supply apparatus according to claim 4, wherein: the water supply pipeline (2) between the pressure regulating valve (6) and the adjustable pressure relief valve (7) is further connected with an exhaust pipeline (8), and an exhaust valve (9) used for controlling the on-off of the exhaust pipeline (8) is arranged on the exhaust pipeline (8).
6. The cooling water supply apparatus according to claim 2, characterized in that: the pumping assembly (3) comprises more than two water pumps (31), each water pump (31) is connected with a water source (1) and a water supply pipeline (2) through an independent connecting pipeline (32), and two on-off control valves (33) which are respectively arranged on two sides of each water pump (31) are arranged on each connecting pipeline (32).
7. The cooling water supply apparatus according to claim 6, wherein: and a filter (10) is arranged on the water supply pipeline (2).
8. The cooling water supply apparatus according to claim 7, wherein: the joint of the pressure relief pipeline (5) and the water supply pipeline (2) is positioned between the filter (10) and the cooling water inlet (4).
9. The cooling water supply apparatus according to any one of claims 2 to 8, characterized in that: the water source (1) is a water tank, and the pressure relief pipeline (5) is connected to the water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122457710.5U CN216390734U (en) | 2021-10-12 | 2021-10-12 | Cooling water supply device for phase modifier rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122457710.5U CN216390734U (en) | 2021-10-12 | 2021-10-12 | Cooling water supply device for phase modifier rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216390734U true CN216390734U (en) | 2022-04-26 |
Family
ID=81244351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122457710.5U Active CN216390734U (en) | 2021-10-12 | 2021-10-12 | Cooling water supply device for phase modifier rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216390734U (en) |
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2021
- 2021-10-12 CN CN202122457710.5U patent/CN216390734U/en active Active
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