CN104198951B - The reliability verification method of nuclear power station 380V moving emergency power supply - Google Patents
The reliability verification method of nuclear power station 380V moving emergency power supply Download PDFInfo
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- CN104198951B CN104198951B CN201410411958.XA CN201410411958A CN104198951B CN 104198951 B CN104198951 B CN 104198951B CN 201410411958 A CN201410411958 A CN 201410411958A CN 104198951 B CN104198951 B CN 104198951B
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Abstract
The present invention relates to the reliability verification methods of nuclear power station 380V moving emergency power supply, comprising the following steps: carries out band and carries the water injecting pump feasibility analysis of main pump axle envelope, exports feasibility analysis judging result；The test with nominal load is carried out, load capacity test parameters is exported；The load capacity of 380V moving emergency power supply is judged according to load capacity test parameters；It carries out band and carries safety injection pump axle envelope water injection test, output band carries safety injection pump axle envelope water injection capacity test parameters；Judge that the band of 380V moving emergency power supply carries safety injection pump axle envelope water injection capacity according to load safety injection pump axle envelope water injection capacity test parameters.By carrying out the test with nominal load to 380V moving emergency power supply, and simulated accident operating condition, it carries out band and carries safety injection pump axle envelope water injection test, whether the properties of comprehensive verification 380V moving emergency power supply meet design requirement, the reliability for strengthening nuclear power station 380V emergency power supply improves nuclear power station depth defense ability.
Description
Technical field
The present invention relates to technical field of nuclear power, more specifically to a kind of nuclear power station 380V moving emergency power supply can
By property verification method.
Background technique
Currently, Chinese modified million kilowatt (1000MW) pressurized-water reactor nuclear power plant (hereinafter referred to as CPR1000 nuclear power station)
In, every two generating sets are equipped with a set of LLS system (hydraulic testpump diesel generating set), mainly include the mobile bavin of 380V
Oily generating set and 380V distribution board.Under normal or design basis accident operating condition, LLS system is in stand-by state, does not execute
Security function.Under the super design reference operating condition that two column 6kV emergency service buses of a generating set cannot power, LLS system
System, which can guarantee, provides the emergency power supply of 380VAC to hydraulic testpump, and the hydraulic testpump is to main pump (reactor coolant pump)
No.1 axle envelope injects axle sealing water, to guarantee the integrality of reactor-loop；LLS system will also be to room where hydraulic testpump
Ventilation is provided, and two-way 220VAC emergency power supply is provided, has the function that accident mitigation.
CPR1000 nuclear power station LLS system is generally disposed at+0.30m, and main mesolow electrical cabinet is arranged in LX workshop (mark
Height+7.00m), it is contemplated that for CPR1000 nuclear power station site elevation within 10.0m, primary power distribution equipment absolute altitude is equal at present
In 15.0m or more, there is certain resilience to the great water logging external event such as tsunami, flood；But LLS system absolute altitude exists
The position 9.0m~10.0m, there are emergency power systems when generation major natural disasters (tsunami, flood etc.) " common mode failure " occurs
Risk.
According to the improvements in security item requirement after Fukushima Nuclear Power Accident, increasing a 380V moving emergency power supply, (movable type is answered
Anxious diesel generating set) supplement and standby as LLS system can be in the case where LLS system is invalid within the prescribed time-limit
Start the power supply of 380V moving emergency power up, " common mode failure " risk can be reduced in a certain range, improve nuclear power station depth
Defence capability.
As shown in Figure 1,380V moving emergency power supply mainly includes 380V truck diesel alternator group 1, extension 380V distribution
Cabinet 2 and quick coupling 3.After 380V moving emergency power supply introduces plant area, fast quick access (is inside set by the waterproof wiring case of LLS system
Head) mode, establish connection with the 380V distribution board of LLS system, manually boot the vehicle-mounted diesel generation of 380V in the state of accident
Unit 1 and access power supply.
It is verified in 380V moving emergency power supply using preceding needing to carry out a series of test, confirms equipment properties
Meet design basis requirement, existing main experimental content is as follows:
1, visual examination, electric insulation test and mechanical system inspection before starting to 380V truck diesel alternator group
It looks into；
2, No Load Start 380V truck diesel alternator group measures its performance and parameter；
3, start 380V truck diesel alternator group, charge test, inspection are carried out to LLS system power cabinet by quick coupling
Look into electric parameter.
In above-mentioned existing debugging technique scheme, lacks and the test with nominal load is carried out to 380V moving emergency power supply,
It does not carry out band and carries safety injection pump axle envelope water injection test, lack the verifying and inspection of real simulation operation, therefore cannot verify completely
Moving emergency power supply properties meet design requirement.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of energy comprehensive verification
The reliability verification method of nuclear power station 380V moving emergency power supply properties.
The technical solution adopted by the present invention to solve the technical problems is:
Construct a kind of reliability verification method of nuclear power station 380V moving emergency power supply, wherein the verification method includes
Following steps:
Band is carried out to 380V moving emergency power supply and carries main pump injection axle sealing water feasibility analysis, the 380V movement is exported and answers
Whether urgent telegram source meets the judging result with the experimental condition for carrying main pump injection axle sealing water；
When the 380V moving emergency power supply meets with the experimental condition for carrying main pump injection axle sealing water, the 380V is moved
Dynamic emergency power supply carries out the test with nominal load, exports load capacity test parameters；
Judge that the load capacity of the 380V moving emergency power supply, output band carry energy according to the load capacity test parameters
Power judging result；
When the load capacity of the 380V moving emergency power supply meets the requirements, carries out band and carry the water filling examination of safety injection pump axle envelope
It tests, obtains band and carry safety injection pump axle envelope water injection capacity test parameters；
Safety injection pump axle envelope water injection capacity test parameters, which is carried, according to the band judges that the band of the 380V moving emergency power supply carries
Safety injection pump axle envelope water injection capacity, output band carry safety injection pump axle envelope water injection capacity judging result.
Reliability verification method of the present invention, wherein the 380V moving emergency power supply includes the vehicle-mounted diesel oil of 380V
Generating set, power distribution cabinet and quick coupling.
Reliability verification method of the present invention, wherein carry out to the 380V moving emergency power supply with specified negative
When the test of load, using resistance box as load.
Reliability verification method of the present invention, wherein the band carries safety injection pump axle envelope water injection capacity test parameters and is
Safety injection pump rate of discharge parameter.
Reliability verification method of the present invention, wherein the step of progress band carries safety injection pump axle envelope water injection test
It specifically includes:
It connects and prepares before being tested；
It detects and confirms whether the safety injection pump is correct online, when the safety injection pump is correct online, to the safety injection pump
Send switch unlock instruction；
Enabling signal is sent to the 380V diesel generating set；
Simulated accident operating condition sends enabling signal to the safety injection pump；
It detects and confirms whether the safety injection pump works in preassigned pattern；
It detects and confirms whether the 380V diesel generating set, power distribution cabinet, safety injection pump are without exception；
It works in the safety injection pump in preassigned pattern, and the 380V diesel generating set, power distribution cabinet, safety injection pump are without exception
When, export the safety injection pump rate of discharge parameter；
Judge that the band of the 380V moving emergency power supply carries safety injection pump axle envelope note according to the safety injection pump rate of discharge parameter
Outlet capacity, output band carry safety injection pump axle envelope water injection capacity judging result.
Reliability verification method of the present invention, wherein according to safety injection pump rate of discharge parameter judgement
380V moving emergency power supply band carry safety injection pump axle envelope water injection capacity the step of include:
Judge whether the safety injection pump rate of discharge parameter reaches 6m3/ h, when the safety injection pump rate of discharge reaches 6m3/h
When, export the judging result with load safety injection pump axle envelope water injection capacity qualification of the 380V moving emergency power supply.
Reliability verification method of the present invention, wherein the preassigned pattern is middle pressure safety injection tank Water supplement pattern.
Reliability verification method of the present invention, wherein described that band load main pump note is carried out to 380V moving emergency power supply
Enter axle sealing water feasibility analysis and specifically include step:
Visual examination, electric insulation test and mechanical system inspection before starting to the 380V moving emergency power supply
It looks into, exports apparent parameter, electric insulation test parameters and the system parameter of the 380V moving emergency power supply.
Reliability verification method of the present invention, wherein described that band load main pump note is carried out to 380V moving emergency power supply
Enter axle sealing water feasibility analysis and specifically include step:
No Load Start signal is sent to the 380V truck diesel alternator group, exports the 380V truck diesel alternator
Organize the measurement result of performance and parameter in the unloaded state.
Reliability verification method of the present invention, wherein described that band load main pump note is carried out to 380V moving emergency power supply
Enter axle sealing water feasibility analysis and specifically include step:
Enabling signal is sent to the 380V truck diesel alternator group, by by the fast of the 380V moving emergency power supply
Quick coupling connect with hydraulic testpump diesel generating set, fills to the power distribution cabinet of the hydraulic testpump diesel generating set
Electric test exports electric parameter.
The beneficial effects of the present invention are: by 380V moving emergency power supply carry out the test with nominal load, and
Simulated accident operating condition carries out band to 380V moving emergency power supply and carries safety injection pump axle envelope water injection test, and comprehensive verification 380V movement is answered
Whether the properties in urgent telegram source meet design requirement, strengthen the reliability of nuclear power station 380V emergency power supply, improve nuclear power
It stands depth defense ability.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the 380V moving emergency power principle structural schematic diagram of the prior art；
Fig. 2 is the reliability verification method flow chart of the 380V moving emergency power supply of present pre-ferred embodiments；
Fig. 3 is the detailed of step S40 in the reliability verification method of the 380V moving emergency power supply of present pre-ferred embodiments
Thin flow chart.
Specific embodiment
Reliability verification method process such as Fig. 2 institute of the nuclear power station 380V moving emergency power supply of present pre-ferred embodiments
Show, this method originates in step S10；In step S20, carrying out band load main pump injection axle sealing water to 380V moving emergency power supply can
Row analysis, judges whether 380V moving emergency power supply meets with the experimental condition for carrying main pump injection axle sealing water, output judgement knot
Fruit；When 380V moving emergency power supply meets with the experimental condition for carrying main pump injection axle sealing water, in step s 30,380V is moved
Dynamic emergency power supply carries out the test with nominal load, exports load capacity test parameters, is judged according to load capacity test parameters
The load capacity of 380V moving emergency power supply exports load capacity judging result；In the load capacity of 380V moving emergency power supply
When meeting the requirements, in step s 40, carries out band and carry safety injection pump axle envelope water injection test, output band carries safety injection pump axle envelope water injection capacity
Test parameters judges that the band of 380V moving emergency power supply carries safety injection pump axis according to load safety injection pump axle envelope water injection capacity test parameters
Water injection capacity is sealed, output band carries safety injection pump axle envelope water injection capacity judging result；This method ends at step S50.In this way by pair
380V moving emergency power supply carries out the test with nominal load and simulated accident operating condition, carries out to 380V moving emergency power supply
Band carries safety injection pump axle envelope water injection test, and whether the properties of comprehensive verification 380V moving emergency power supply meet design requirement, add
The strong reliability of nuclear power station 380V emergency power supply, improves nuclear power station depth defense ability.
In above-described embodiment, 380V moving emergency power supply specifically includes 380V truck diesel alternator group, power distribution cabinet and fast
Quick coupling can refer to 380V moving emergency power supply shown in prior art Fig. 1.Band is being carried out to 380V truck diesel alternator group
Before the test of nominal load, the quick coupling on 380V moving emergency power supply is first disconnected.
In above-described embodiment, band is carried out to 380V moving emergency power supply and carries main pump injection axle sealing water feasibility analysis, judgement
380V moving emergency power supply whether meet with carry main pump injection axle sealing water experimental condition, export judging result specific method can
To be, Data Management Analysis is carried out according to collected 380V moving emergency power supply related data, its satisfaction can be preset
With the reference data standard for carrying main pump injection axle sealing water experimental condition, date comprision is then carried out by computing system and is obtained
As a result.Equally, the above-mentioned load capacity that 380V moving emergency power supply is judged according to load capacity test parameters exports load capacity
The specific method of judging result can be, and preset the load capacity of 380V moving emergency power supply reference data mark up to standard
Then standard carries out data comparison by computing system and obtains judging result.Equally, above-mentioned that safety injection pump axle envelope water filling energy is carried according to band
Power test parameters judges that the band of 380V moving emergency power supply carries safety injection pump axle envelope water injection capacity, and output band carries the water filling of safety injection pump axle envelope
The specific method of ability judging result can be, and the band for presetting 380V moving emergency power supply carries safety injection pump axle envelope water injection capacity
Reference data standard, then by computing system carry out data comparison obtain judging result.
Preferably, in above-described embodiment, when carrying out the test with nominal load to 380V moving emergency power supply, with resistance
Case is as load.When test, 380V moving emergency power supply is connect with resistance box, wherein the resistance value in resistance box access circuit can
It is converted as needed, to verify 380V moving emergency power supply to the load capacity of different loads, with comprehensive verification nuclear power station
The reliability of emergency power supply.
In a further embodiment, it is specifically included as shown in figure 3, carrying out band and carrying safety injection pump axle envelope water injection test: step
S41, preparation is connected before being tested, that is, disconnects the connection of 380V moving emergency power supply and resistance box, while 380V movement being answered
The quick coupling in urgent telegram source is connect with hydraulic testpump diesel generating set；Step S42, detection and confirm safety injection pump online whether
Correctly, step S43, when safety injection pump is correct online, switch unlock instruction is sent to safety injection pump, releases the locking of safety injection pump；Step
Rapid S44, enabling signal is sent to 380V diesel generating set；Step S45, simulated accident operating condition sends starting letter to safety injection pump
Number；Step S46, detection and confirm whether safety injection pump works in preassigned pattern, wherein preassigned pattern preferably in pressure safety injection tank mend
Aqueous mode；Step S47, detection and confirm whether 380V diesel generating set, power distribution cabinet, safety injection pump are without exception；Step S48, exist
Safety injection pump works in preassigned pattern, and when 380V diesel generating set, power distribution cabinet, safety injection pump are without exception, obtains safety injection pump outlet
Flow parameter；Step S49, judge that the band of 380V moving emergency power supply carries safety injection pump axle envelope note according to safety injection pump rate of discharge parameter
Outlet capacity.
In above-described embodiment, safety injection pump includes but is not limited to No. 011 safety injection pump (RIS011PO) for being nuclear power station.Due to
In previous test procedure, 380V moving emergency power supply is connect with resistance box, therefore carries the water filling examination of safety injection pump axle envelope carrying out band
When testing, resistance box end should be opened first, switch to be connected to hydraulic testpump diesel generating set, pass through the company with quick coupling
It connects, actual test 380V moving emergency Power supply belt carries main pump and injects axle sealing water, simulates true accident conditions and is drilled, comprehensively
Verify the reliability of nuclear power station 380V moving emergency power supply.
In above-described embodiment, the switch unlock instruction sent to safety injection pump can be the control instruction that control system is sent,
Such as high/low level signal.Equally, it is also possible to the control that control system is sent to the enabling signal that 380V diesel generating set is sent
System instruction, such as high/low level signal.
In above-described embodiment, by detecting and confirming whether safety injection pump is correct online, it can be ensured that emergency power supply band carries peace note
Pump Shaft Seal water injection test carries out safely, can just accomplish that simulating true accident conditions is drilled, and is more accurately tested in this way
Demonstrate,prove conclusion.Wherein, the online correct step of confirmation safety injection pump includes: connection motor start-up characteristic tester, passes through motor
Starting characteristic tester judges whether safety injection pump is correct online.
In above-described embodiment, safety injection pump rate of discharge parameter is specially safety injection pump rate of discharge parameter.Gone out according to safety injection pump
Mouth flow parameter judges that the step of band of 380V moving emergency power supply carries safety injection pump axle envelope water injection capacity specifically includes: judgement peace is infused
Whether pump discharge flow parameter reaches 6m3/ h, when safety injection pump rate of discharge reaches 6m3When/h, 380V moving emergency power supply is determined
Band carries that safety injection pump axle envelope water injection capacity is qualified, and the band of output 380V moving emergency power supply carries safety injection pump axle envelope water injection capacity qualification
Judging result.Otherwise, if safety injection pump rate of discharge parameter is unable to reach 6m3/ h should then improve 380V moving emergency power supply
Band carries safety injection pump axle envelope water injection capacity.Wherein, 6m3/ h is the critical value that safety injection pump works under normal condition.
In above-described embodiment, judge that the band of 380V moving emergency power supply carries safety injection pump axis according to safety injection pump rate of discharge parameter
Water injection capacity is sealed, after obtaining judging result, result prompt information is exported by control system.
Further, above-mentioned that band load main pump injection axle sealing water feasibility analysis is carried out to 380V moving emergency power supply, sentence
Whether disconnected 380V moving emergency power supply meets specifically includes with the step of condition for carrying main pump injection axle sealing water: answering 380V movement
Urgent telegram source started before visual examination, electric insulation test and mechanical system inspection, obtain 380V moving emergency power supply
Apparent parameter, electric insulation test parameters and system parameter；No Load Start signal is sent to 380V truck diesel alternator group, it is defeated
The measurement result of 380V truck diesel alternator group performance in the unloaded state and parameter out；To 380V truck diesel alternator
Group sends enabling signal, by the way that the quick coupling of 380V moving emergency power supply to be connect with hydraulic testpump diesel generating set,
Charge test is carried out to the power distribution cabinet of hydraulic testpump diesel generating set, exports electric parameter.
Above-mentioned apparent parameter, electric insulation test parameters and system parameter and 380V truck diesel alternator group are in sky
Performance and parameter and charge test electric parameter under load state are to judge that 380V moving emergency Power supply belt carries main pump and injects axis
The whether feasible basic parameter of water shutoff.By to the apparent parameter, electric insulation test parameters and system parameter and 380V vehicle
The integrated data for carrying diesel generating set performance in the unloaded state and parameter and charge test electric parameter is calculated
Analysis, to judge whether 380V moving emergency power supply meets bringing onto load experimental condition.
To sum up, the present invention is by carrying out the test with nominal load and simulated accident work to 380V moving emergency power supply
Condition, to 380V moving emergency power supply carry out band carry safety injection pump axle envelope water injection test, comprehensive verification 380V moving emergency power supply it is each
Whether item performance meets design requirement, strengthens the reliability of nuclear power station 380V emergency power supply, improves nuclear power station depth defense
Ability.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of reliability verification method of nuclear power station 380V moving emergency power supply, which comprises the following steps:
Band is carried out to 380V moving emergency power supply and carries the analysis of main pump axle envelope feasibility of waterflooding, exports the 380V moving emergency power supply
Whether judging result with the experimental condition that carries main pump axle envelope water filling is met；
When the 380V moving emergency power supply meets with the experimental condition for carrying the water filling of main pump axle envelope, to the 380V moving emergency
Power supply carries out the test with nominal load, exports load capacity test parameters；
Judge that the load capacity of the 380V moving emergency power supply, output load capacity are sentenced according to the load capacity test parameters
Disconnected result；
When the load capacity of the 380V moving emergency power supply meets the requirements, carries out band and carry safety injection pump axle envelope water injection test, it is defeated
Band carries safety injection pump axle envelope water injection capacity test parameters out；
Safety injection pump axle envelope water injection capacity test parameters, which is carried, according to the band judges that the band of the 380V moving emergency power supply carries peace note
Pump Shaft Seal water injection capacity, output band carry safety injection pump axle envelope water injection capacity judging result.
2. reliability verification method according to claim 1, which is characterized in that the 380V moving emergency power supply includes
380V truck diesel alternator group, power distribution cabinet and quick coupling.
3. reliability verification method according to claim 2, which is characterized in that the 380V moving emergency power supply into
When the capable test with nominal load, using resistance box as load.
4. reliability verification method according to claim 3, which is characterized in that the band carries safety injection pump axle envelope water injection capacity
Test parameters is safety injection pump rate of discharge parameter.
5. reliability verification method according to claim 4, which is characterized in that the progress band carries the water filling of safety injection pump axle envelope
The step of test, specifically includes:
It connects and prepares before being tested；
It detects and confirms whether the safety injection pump is correct online, when the safety injection pump is correct online, sent to the safety injection pump
Switch unlock instruction；
Enabling signal is sent to the 380V truck diesel alternator group；
Simulated accident operating condition sends enabling signal to the safety injection pump；
It detects and confirms whether the safety injection pump works in preassigned pattern；
It detects and confirms whether the 380V truck diesel alternator group, power distribution cabinet, safety injection pump are without exception；
It works in the safety injection pump in preassigned pattern, and the 380V truck diesel alternator group, power distribution cabinet, safety injection pump are without exception
When, export the safety injection pump rate of discharge parameter；
Judge that the band of the 380V moving emergency power supply carries safety injection pump axle envelope water filling energy according to the safety injection pump rate of discharge parameter
Power, output band carry safety injection pump axle envelope water injection capacity judging result.
6. reliability verification method according to claim 5, which is characterized in that according to the safety injection pump rate of discharge parameter
Judge that the step of band of the 380V moving emergency power supply carries safety injection pump axle envelope water injection capacity includes:
Judge whether the safety injection pump rate of discharge parameter reaches 6m3/ h, when the safety injection pump rate of discharge reaches 6m3It is defeated when/h
The judging result with load safety injection pump axle envelope water injection capacity qualification of the 380V moving emergency power supply out.
7. reliability verification method according to claim 5, which is characterized in that the preassigned pattern is middle pressure safety injection tank benefit
Aqueous mode.
8. reliability verification method according to claim 2, which is characterized in that described to be carried out to 380V moving emergency power supply
Band carries the analysis of main pump axle envelope feasibility of waterflooding and specifically includes step:
Visual examination, electric insulation test and mechanical system inspection before starting to the 380V moving emergency power supply, it is defeated
The apparent parameter of the 380V moving emergency power supply, electric insulation test parameters and system parameter out.
9. reliability verification method according to claim 8, which is characterized in that described to be carried out to 380V moving emergency power supply
Band carries the analysis of main pump axle envelope feasibility of waterflooding and specifically includes step:
No Load Start signal is sent to the 380V truck diesel alternator group, the 380V truck diesel alternator group is exported and exists
The measurement result of performance and parameter under light condition.
10. reliability verification method according to claim 9, which is characterized in that it is described to 380V moving emergency power supply into
Row band carries the analysis of main pump axle envelope feasibility of waterflooding and specifically includes step:
Enabling signal is sent to the 380V truck diesel alternator group, by by the fast quick access of the 380V moving emergency power supply
Head connect with hydraulic testpump diesel generating set, carries out charging examination to the power distribution cabinet of the hydraulic testpump diesel generating set
It tests, exports electric parameter.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106803436B (en) * | 2015-11-26 | 2018-08-17 | 大亚湾核电运营管理有限责任公司 | The verification method and device of nuclear power plant's standby accident mitigation power supply accident application function |
| CN109976185A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of MAAP5 program and nuclear power plant analog machine integrated approach |
| CN110854994A (en) * | 2019-11-08 | 2020-02-28 | 中广核研究院有限公司 | Rapid access device and method for mobile diesel generator set |
| CN111596148B (en) * | 2020-04-16 | 2022-08-09 | 岭东核电有限公司 | Test method, device and equipment for starting diesel engine in case of power failure of emergency bus of nuclear power station |
| CN112197945B (en) * | 2020-08-26 | 2022-04-22 | 中广核核电运营有限公司 | Test method for testing pump output after full test of test pump |
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Effective date of registration: 20181205 Address after: 518124 Office Building of Daya Bay Nuclear Power Base Engineering Company, Pengfei Road, Dapeng New District, Shenzhen City, Guangdong Province Applicant after: China Nuclear Power Engineering Co., Ltd. Applicant after: China General Nuclear Power Corporation Applicant after: Lingao Nuclear Power Co., Ltd. Address before: 518023 No. 69 Shennan Middle Road, Futian District, Shenzhen City, Guangdong Province Applicant before: China Nuclear Power Engineering Co., Ltd. Applicant before: China General Nuclear Power Corporation |
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