CN107104378A - The replacing point of 220kV breakers, the method for combined floodgate valve - Google Patents
The replacing point of 220kV breakers, the method for combined floodgate valve Download PDFInfo
- Publication number
- CN107104378A CN107104378A CN201710437441.1A CN201710437441A CN107104378A CN 107104378 A CN107104378 A CN 107104378A CN 201710437441 A CN201710437441 A CN 201710437441A CN 107104378 A CN107104378 A CN 107104378A
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- Prior art keywords
- oil
- conservater
- valve
- oil conservater
- hydraulic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Abstract
The present invention relates to a kind of replacing point of 220kV breakers, the method for combined floodgate valve, including step one：The hydraulic oil in Hydraulic Mechanism of Circuit-breaker is extracted out with vacuumizing and purifying oiling device；1) the separator valve II between upper oil conservater and lower oil conservater is closed, the separator valve I on oil exit pipe is opened, hydraulic oil is evacuated in upper oil conservater with vavuum pump, close separator valve I；2) cleanser is put into oil conservater to hydraulic oil moisture absorption dehumidifying；3) relief valve on separator valve II and upper oil conservater is opened, the hydraulic oil of oil conservater is flowed into lower oil conservater, closes separator valve II and relief valve；Step 2：Detected in breaker point, the replacing of combined floodgate valve and mechanism；Step 3：1) Hydraulic Mechanism of Circuit-breaker oil return operation opens separator valve I, opens vavuum pump and breaker mechanism is evacuated into closing separator valve I after rated pressure；2) opening oil-filtering apparatus makes hydraulic oil in lower oil conservater return to Hydraulic Mechanism of Circuit-breaker.Fast and effectively solve equipment fault.
Description
Technical field
The present invention relates to the replacing point of 220kV breakers, the method for combined floodgate valve.
Background technology
There is 9 groups of ZF16-252/Y types combined electrical apparatus in current Chaoyang company, the circuit breaker operation mechanism is ABB hydraulic disk springs
Mechanism, mechanism, it is necessary to first vacuumized to hydraulic disk spring mechanism, could be changed when changing division gate valve.And take out true every time
The vacuum equipment that sky is required to bring using breaker producer personnel is operated, and the vacuum equipment volume of producer is larger, and program is complicated,
And need to note new hydraulic oil, cause to waste, operate time-consuming, laborious, influence equipment bringing normally into operation, give power grid security fortune
Row causes harm.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of 220kV breakers replacing point, the method for combined floodgate valve, quickly
It is effective to solve equipment fault, improve the stable operation of equipment.
To achieve the above object, the present invention is realized using following technical scheme：
A kind of 220kV breakers replacing point, the method for combined floodgate valve, are comprised the following steps that：
Step one：The hydraulic oil in Hydraulic Mechanism of Circuit-breaker is extracted out with vacuumizing and purifying oiling device；It is described to take out true
Empty and purification oiling device, including upper oil conservater, lower oil conservater, vavuum pump, oil-filtering apparatus, upper oil conservater by drain line with
Hydraulic Mechanism of Circuit-breaker steam vent is connected, and drain line is provided with separator valve I, upper oil conservater and lower oil conservater UNICOM, upper oil storage
Provided with separator valve II between cabinet and lower oil conservater, upper oil conservater connects vavuum pump, and upper oil conservater top connects pressure gauge, upper oil storage
Cabinet, which is provided with relief valve, upper oil conservater, is provided with cleanser carrying case, and lower oil conservater connects oil-filtering apparatus, and oil-filtering apparatus is by returning
Oil pipe connects Hydraulic Mechanism of Circuit-breaker；Oil extraction operation is as follows：
1) the separator valve II between upper oil conservater and lower oil conservater is closed, the separator valve I on oil exit pipe opened, with true
Hydraulic oil is evacuated in upper oil conservater by empty pump, closes separator valve I；
2) cleanser is put into oil conservater to hydraulic oil moisture absorption dehumidifying；
3) relief valve on separator valve II and upper oil conservater is opened, the hydraulic oil of oil conservater is flowed into lower oil conservater,
Close separator valve II and relief valve；
Step 2：Detected in breaker point, the replacing of combined floodgate valve and mechanism；
Step 3：Hydraulic Mechanism of Circuit-breaker oil return is operated
1) separator valve I is opened, vavuum pump is opened and breaker mechanism is evacuated to closing separator valve I after rated pressure；
2) opening oil-filtering apparatus makes hydraulic oil in lower oil conservater return to Hydraulic Mechanism of Circuit-breaker.
Compared with prior art, the beneficial effects of the invention are as follows：
Avoided point using the present invention, combined floodgate replacing valve when hydraulic oil flow out, cause hydraulic oil to waste.Be convenient for changing point,
Oil-free is overhauled in combined floodgate valve and mechanism.Equipment fault is fast and effectively solved, the stable fortune of equipment is improved.Vacuumize and purify
Oiling device is simple to operate, easy to carry.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
In figure：Upper oil conservater 1, lower oil conservater 2, vavuum pump 3, oil-filtering apparatus 4, drain line 5, separator valve I6, cleanser
Carrying case 7, pressure gauge 8, relief valve 9, separator valve II10.
Embodiment
The embodiment to the present invention is further illustrated below in conjunction with the accompanying drawings：
A kind of 220kV breakers replacing point, the method for combined floodgate valve, are comprised the following steps that：
Step one：The hydraulic oil in Hydraulic Mechanism of Circuit-breaker is extracted out with vacuumizing and purifying oiling device；It is described to take out true
Empty and purification oiling device, including upper oil conservater 1, lower oil conservater 2, vavuum pump 3, oil-filtering apparatus 4, upper oil conservater 1 pass through oil extraction
Pipeline 5 is connected with Hydraulic Mechanism of Circuit-breaker steam vent, and drain line 5 is provided with separator valve I6.Upper oil conservater 1 and lower oil conservater 2
UNICOM, is provided with separator valve II10 between upper oil conservater 1 and lower oil conservater 2.Upper oil conservater 1 connects vavuum pump, the upper top of oil conservater 1
Connect pressure gauge 8 and relief valve 9.Cleanser carrying case 7 is provided with upper oil conservater 1.Lower oil conservater 2 connects oil-filtering apparatus 4, oil strain
Device 4 connects Hydraulic Mechanism of Circuit-breaker 11, such as Fig. 1 by oil return pipe.
Oil extraction operation is as follows：
1) the separator valve II10 between upper oil conservater 1 and lower oil conservater 2 is closed, the separator valve I6 on oil exit pipe 5 is beaten
Open, hydraulic oil is evacuated in upper oil conservater 1 with vavuum pump 3, close separator valve I6；
2) cleanser is put into oil conservater 1 to hydraulic oil moisture absorption dehumidifying；
3) relief valve 9 on separator valve II10 and upper oil conservater is opened, the hydraulic oil of oil conservater 1 is flowed into lower oil conservater
In 2, separator valve II10 and relief valve 9 are closed；
Step 2：Detected in breaker point, the replacing of combined floodgate valve and mechanism；
Step 3：Hydraulic Mechanism of Circuit-breaker oil return is operated
1) separator valve I6 is opened, vavuum pump 3 is opened and breaker mechanism 11 is evacuated to closing separator valve I6 after rated pressure；
2) opening oil-filtering apparatus 4 makes hydraulic oil in lower oil conservater 2 return to Hydraulic Mechanism of Circuit-breaker.
Described above is only the general principle of the present invention, and not the present invention is imposed any restrictions, every right according to the present invention
It carries out equivalent variations and modification, within the category of the art of this patent protection scheme.
Claims (1)
1. a kind of 220kV breakers replacing point, the method for combined floodgate valve, it is characterised in that comprise the following steps that：
Step one：The hydraulic oil in Hydraulic Mechanism of Circuit-breaker is extracted out with vacuumizing and purifying oiling device；It is described vacuumize and
Oiling device, including upper oil conservater, lower oil conservater, vavuum pump, oil-filtering apparatus are purified, upper oil conservater passes through drain line and open circuit
Device hydraulic mechanism steam vent connect, drain line be provided with separator valve I, upper oil conservater and lower oil conservater UNICOM, upper oil conservater and
Provided with separator valve II between lower oil conservater, upper oil conservater connects vavuum pump, and upper oil conservater top is connected on pressure gauge, upper oil conservater
Provided with relief valve, cleanser carrying case is provided with upper oil conservater, lower oil conservater connects oil-filtering apparatus, and oil-filtering apparatus passes through oil return pipe
Connect Hydraulic Mechanism of Circuit-breaker；Oil extraction operation is as follows：
1) the separator valve II between upper oil conservater and lower oil conservater is closed, the separator valve I on oil exit pipe is opened, vavuum pump is used
Hydraulic oil is evacuated in upper oil conservater, separator valve I is closed；
2) cleanser is put into oil conservater to hydraulic oil moisture absorption dehumidifying；
3) relief valve on separator valve II and upper oil conservater is opened, the hydraulic oil of oil conservater is flowed into lower oil conservater, closes
Separator valve II and relief valve；
Step 2：Detected in breaker point, the replacing of combined floodgate valve and mechanism；
Step 3：Hydraulic Mechanism of Circuit-breaker oil return is operated
1) separator valve I is opened, vavuum pump is opened and breaker mechanism is evacuated to closing separator valve I after rated pressure；
2) opening oil-filtering apparatus makes hydraulic oil in lower oil conservater return to Hydraulic Mechanism of Circuit-breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437441.1A CN107104378B (en) | 2017-06-09 | 2017-06-09 | Method for replacing opening and closing valves of 220kV circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710437441.1A CN107104378B (en) | 2017-06-09 | 2017-06-09 | Method for replacing opening and closing valves of 220kV circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107104378A true CN107104378A (en) | 2017-08-29 |
| CN107104378B CN107104378B (en) | 2023-03-14 |
Family
ID=59660792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710437441.1A Active CN107104378B (en) | 2017-06-09 | 2017-06-09 | Method for replacing opening and closing valves of 220kV circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN107104378B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09266117A (en) * | 1996-03-28 | 1997-10-07 | Toshiba Fa Syst Eng Kk | Oil-immersed electric machine and oiling method for oil-immersed electric machine |
| CN101931175A (en) * | 2010-08-19 | 2010-12-29 | 河南省电力公司郑州供电公司 | Method for replacing accessory of large transformer without discharging oil by vacuum oil extraction |
| CN101944420A (en) * | 2010-09-14 | 2011-01-12 | 保定天威集团有限公司 | Transformer integral vacuum oiling device and method |
| CN102034591A (en) * | 2010-10-29 | 2011-04-27 | 山东鲁能泰山电力设备有限公司 | Device and method for injecting oil into transformer under vacuum condition |
| CN104362030A (en) * | 2014-11-26 | 2015-02-18 | 国家电网公司 | Hydraulic spring operating mechanism and opening and closing coil replacing method thereof |
-
2017
- 2017-06-09 CN CN201710437441.1A patent/CN107104378B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09266117A (en) * | 1996-03-28 | 1997-10-07 | Toshiba Fa Syst Eng Kk | Oil-immersed electric machine and oiling method for oil-immersed electric machine |
| CN101931175A (en) * | 2010-08-19 | 2010-12-29 | 河南省电力公司郑州供电公司 | Method for replacing accessory of large transformer without discharging oil by vacuum oil extraction |
| CN101944420A (en) * | 2010-09-14 | 2011-01-12 | 保定天威集团有限公司 | Transformer integral vacuum oiling device and method |
| CN102034591A (en) * | 2010-10-29 | 2011-04-27 | 山东鲁能泰山电力设备有限公司 | Device and method for injecting oil into transformer under vacuum condition |
| CN104362030A (en) * | 2014-11-26 | 2015-02-18 | 国家电网公司 | Hydraulic spring operating mechanism and opening and closing coil replacing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107104378B (en) | 2023-03-14 |
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