CN104198952B - The reliability verification method of nuclear power station 6.6kV moving emergency power supply - Google Patents
The reliability verification method of nuclear power station 6.6kV moving emergency power supply Download PDFInfo
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- CN104198952B CN104198952B CN201410411996.5A CN201410411996A CN104198952B CN 104198952 B CN104198952 B CN 104198952B CN 201410411996 A CN201410411996 A CN 201410411996A CN 104198952 B CN104198952 B CN 104198952B
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Abstract
The present invention relates to the reliability verification methods of nuclear power station 6.6kV moving emergency power supply, including following steps: carrying out band to 6.6kV moving emergency power supply and carry auxiliary feed water pump feasibility analysis, judge whether 6.6kV moving emergency power supply meets with the experimental condition for carrying auxiliary feed water pump；Test with nominal load is carried out to 6.6kV moving emergency power supply group, exports load capacity test parameters；The load capacity of 6.6kV moving emergency power supply is judged according to load capacity test parameters；It carries out band and carries auxiliary feed water pump to water test, output band carries auxiliary feed water pump water supply test parameters；According to the auxiliary feed water pump capacity of water supply for judging 6.6kV moving emergency power supply to water test with load auxiliary feed water pump.Using the method for the present invention can the properties of comprehensive verification 6.6kV moving emergency power supply whether meet design requirement, strengthen the reliability of nuclear power station emergency power supply, improve 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 6.6kV moving emergency power supply can
By property verification method.
Background technique
Three-way power and unique backup power supply of the emergency diesel dynamo system as nuclear power plant, in nuclear power plant
In have a very important role.In the case of accident condition or loss of off-site power, emergency diesel dynamo starts automatically, and
Voltage source in emergency is provided to ancillary equipment relevant to reactor safety shutdown, makes setting for reactor protection system and its control
It is standby to operate normally, support personnel, capital equipment safety.
Currently, Chinese modified million kilowatt (1000MW) pressurized-water reactor nuclear power plant (hereinafter referred to as CPR1000 nuclear power station)
In, every unit is equipped with two 6.6kV diesel generating sets (being respectively designated as LHP system and LHQ system), LHP system and
LHQ system is respectively connected to 6.6KV exchange casualty power distribution system series A (being named as LHA), 6.6KV exchange casualty power distribution system system
It arranges B (being named as LHB).
The LHP system and LHQ system of CPR1000 nuclear power station are generally disposed at+0.80m, 6.6kV emergency switchboard LHA and
LHB is arranged in LX workshop (absolute altitude+7.00m), it is contemplated that CPR1000 nuclear power station site elevation is main within 10.0m at present
Controller switching equipment absolute altitude has certain resilience to the great water logging external event such as tsunami, flood in 15.0m or more；
But LHP system and LHQ system absolute altitude are in the position 9.0m~10.0m, and there are generation major natural disasters (tsunami, floods etc.)
When emergency power system occur " common mode failure " risk.
According to the improvements in security item requirement after Fukushima Nuclear Power Accident, increasing a 6.6kV moving emergency power supply, (movable type is answered
Anxious diesel generating set) supplement and standby as LHP system and LHQ system, LHP system and LHQ system are within the prescribed time-limit
In the case where invalid, it can star the power supply of 6.6kV moving emergency power up, " common mode failure " wind can be reduced in a certain range
Nuclear power station depth defense ability is improved in danger.
6.6kV moving emergency power supply mainly includes the interim electricity of 6.6kV truck diesel alternator group and one 120 meters long
Cable, the moving emergency power supply one end 6.6kV can connect emergency mobile power source equipped with quick coupling, and one end is according to the electricity of LHA, LHB
Cable on-position well in advance connector is usually placed on mobile power source car, and access 6.6kV is answered as needed in the state of accident
Anxious power cabinet.
It is verified in 6.6kV moving emergency power supply using preceding needing to carry out a series of test, confirms equipment items
It is able to satisfy design basis requirement, existing main experimental content is as follows:
1, to 6.6kV truck diesel alternator group carry out generating set starting before visual examination, electric insulation test and
Mechanical system inspection；
2, start 6.6kV truck diesel alternator group, measure its performance and parameter；
3, Insulation Test and connector inspection are carried out to the temporary cable of 6.6kV moving emergency power supply.
In above-mentioned existing debugging technique scheme, lacks and the test with nominal load is carried out to 6.6kV moving emergency power supply,
Lack the verifying and inspection of real simulation operation, therefore 6.6kV moving emergency power supply properties satisfaction cannot be verified completely and set
Meter requires.
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 6.6kV 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 6.6kV moving emergency power supply, wherein the following steps are included:
Band is carried out to 6.6kV moving emergency power supply and carries auxiliary feed water pump feasibility analysis, exports the 6.6kV moving emergency
Whether power supply meets the judging result with the experimental condition for carrying auxiliary feed water pump；
It is mobile to the 6.6kV when the 6.6kV moving emergency power supply meets with the experimental condition for carrying auxiliary feed water pump
Emergency power supply group carries out the test with nominal load, exports load capacity test parameters；
Judge that the load capacity of the 6.6kV moving emergency power supply, output band are carried according to the load capacity test parameters
Ability judging result；
When the load capacity of the 6.6kV moving emergency power supply meets the requirements, carries out band and carry auxiliary feed water pump water supply examination
It tests, output band carries auxiliary feed water pump water supply test parameters；
According to the band carry auxiliary feed water pump to water test judge the auxiliary feed water pump of the 6.6kV moving emergency power supply to
Outlet capacity exports the judging result of the auxiliary feed water pump capacity of water supply of 6.6kV moving emergency power supply.
Reliability verification method of the present invention, wherein the 6.6kV moving emergency power supply includes the vehicle-mounted bavin of 6.6kV
Oily generating set and temporary cable.
Reliability verification method of the present invention, wherein carry out to the 6.6kV 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 it is auxiliary that the band, which carries auxiliary feed water pump water supply test parameters,
Pump discharge flow parameter.
Reliability verification method of the present invention, wherein described to carry out with load auxiliary feed water pump to the specific of water test
Step includes:
Cable connection prepares before being tested；
It detects and confirms whether the auxiliary feed water pump is correct online, when the auxiliary feed water pump is correct online, to institute
It states auxiliary feed water pump and sends switch unlock instruction；
Enabling signal is sent to the 6.6kV diesel generating set, obtains the 6.6kV diesel generating set operation ginseng
Number；
It carries out 6.6KV and exchanges casualty power distribution system series of busbars charge test, obtain the electric parameter during test；
Simulated accident operating condition sends enabling signal to the auxiliary feed water pump；
It detects and confirms whether the auxiliary feed water pump works in preassigned pattern；
It detects and confirms whether the 6.6kV diesel generating set, auxiliary feed water pump are without exception；
In the auxiliary feedwater pump work in preassigned pattern, and the 6.6kV diesel generating set, auxiliary feed water pump are no different
Chang Shi obtains the auxiliary feed water pump rate of discharge parameter；
Judge that the band of the 6.6kV moving emergency power supply carries auxiliary feedwater according to the auxiliary feed water pump rate of discharge parameter
Pump the capacity of water supply.
Reliability verification method of the present invention, wherein institute is judged according to the auxiliary feed water pump rate of discharge parameter
The step of stating the band load auxiliary feed water pump capacity of water supply of 6.6kV moving emergency power supply specifically includes:
Judge whether the auxiliary feed water pump rate of discharge parameter reaches 28.4m3/ h, when the auxiliary feedwater pump outlet flow
Amount reaches 28.4m3When/h, the result with load auxiliary feed water pump capacity of water supply qualification of the 6.6kV moving emergency power supply is exported.
Reliability verification method of the present invention, wherein the preassigned pattern is small flow rate mode.
Reliability verification method of the present invention, wherein described that 6.6kV moving emergency power supply give with load auxiliary
The specific steps of water pump feasibility analysis include:
Visual examination, electric insulation test and mechanical system inspection before starting to the 6.6kV moving emergency power supply
It looks into, exports apparent parameter, electric insulation test parameters and the system parameter of the 6.6kV moving emergency power supply.
Reliability verification method of the present invention, wherein described that 6.6kV moving emergency power supply give with load auxiliary
The specific steps of water pump feasibility analysis include:
No Load Start signal is sent to the 6.6kV truck diesel alternator group, exports the vehicle-mounted diesel generation of the 6.6kV
The measurement result of unit performance in the unloaded state and parameter.
Reliability verification method of the present invention, wherein described that 6.6kV moving emergency power supply give with load auxiliary
The specific steps of water pump feasibility analysis include:
Detect the insulation performance and connector of the temporary cable.
The beneficial effects of the present invention are: by 6.6kV moving emergency power supply carry out the test with nominal load, and
Simulated accident operating condition carries out auxiliary feed water pump to water test, comprehensive verification 6.6kV moving emergency to 6.6kV moving emergency power supply
Whether the properties of power supply meet design requirement, strengthen the reliability of nuclear power station emergency power supply, improve nuclear power station depth
Defence capability.
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 reliability verification method flow chart of the 6.6kV moving emergency power supply of present pre-ferred embodiments；
Fig. 2 is the detailed of step S40 in the reliability verification method of the 6.6kV moving emergency power supply of present pre-ferred embodiments
Thin flow chart.
Specific embodiment
Reliability verification method process such as Fig. 1 institute of the nuclear power station 6.6kV moving emergency power supply of present pre-ferred embodiments
Show, this method originates in step S10；In step S20, it is feasible that band load auxiliary feed water pump is carried out to 6.6kV moving emergency power supply
Property analysis, output 6.6kV moving emergency power supply whether meet band load auxiliary feed water pump experimental condition judging result；?
When 6.6kV moving emergency power supply is met with the experimental condition for carrying auxiliary feed water pump, in step s 30, to 6.6kV moving emergency electricity
Source group carries out the test with nominal load, exports load capacity test parameters；Judge that 6.6kV is moved according to load capacity test parameters
The load capacity of dynamic emergency power supply, exports load capacity judging result；It is conformed in the load capacity of 6.6kV moving emergency power supply
When asking, in step s 40, carries out band and carry auxiliary feed water pump to water test, output band carries auxiliary feed water pump water supply test parameters；Root
According to the auxiliary feed water pump capacity of water supply for judging 6.6kV moving emergency power supply to water test with load auxiliary feed water pump, output 6.6kV is moved
The judging result of the auxiliary feed water pump capacity of water supply of dynamic emergency power supply；This method ends at step S50.In this way by 6.6kV
Moving emergency power supply carries out the test with nominal load and simulated accident operating condition, carries out band load to 6.6kV moving emergency power supply
Whether the properties of auxiliary feedwater pump testing, comprehensive verification 6.6kV moving emergency power supply meet design requirement, strengthen nuclear power
It stands the reliability of emergency power supply, improves nuclear power station depth defense ability.
In above-described embodiment, 6.6kV moving emergency power supply specifically includes 6.6kV truck diesel alternator group and interim electricity
Cable.Before carrying out the test with nominal load to 6.6kV truck diesel alternator group, first disconnect in 6.6kV moving emergency
Quick coupling on power supply.
In above-described embodiment, band is carried out to 6.6kV moving emergency power supply and carries auxiliary feed water pump feasibility analysis, output
The specific method whether 6.6kV moving emergency power supply meets the judging result with the experimental condition for carrying auxiliary feed water pump can be,
Data Management Analysis is carried out according to collected 6.6kV moving emergency power supply related data, it can be preset and meet band load
Then the reference data standard of auxiliary feed water pump experimental condition carries out date comprision by computing system and obtains result.Together
Sample, the above-mentioned load capacity that 6.6kV moving emergency power supply is judged according to load capacity test parameters, output load capacity judgement knot
The specific method of fruit is also possible to preset the load capacity reference data standard up to standard of 6.6kV moving emergency power supply, so
Data comparison is carried out by computing system afterwards and obtains judging result.Equally, above-mentioned to be sentenced according to band load auxiliary feed water pump to water test
The auxiliary feed water pump capacity of water supply of disconnected 6.6kV moving emergency power supply, exports the auxiliary feed water pump water supply of 6.6kV moving emergency power supply
The specific method of the judging result of ability is also possible to preset the auxiliary feed water pump of 6.6kV moving emergency power supply to water energy
Then power reference data standard up to standard carries out data comparison by computing system and obtains judging result.
Preferably, in above-described embodiment, when carrying out the test with nominal load to 6.6kV moving emergency power supply, with electricity
Case is hindered as load.When test, 6.6kV moving emergency power supply is connect with resistance box, wherein the resistance in resistance box access circuit
Value can be converted as needed, to verify 6.6kV moving emergency power supply to the load capacity of different loads, with comprehensive verification core
The reliability of power station emergency power supply.
In a further embodiment, as shown in Fig. 2, carrying out the specific steps packet with load auxiliary feed water pump to water test
Include: cable connection prepares before step S41, being tested；Step S42, detection and confirm whether auxiliary feed water pump is correct online, step
Rapid S43, when auxiliary feed water pump is correct online, send switch unlock instruction to auxiliary feed water pump；Step S44, to 6.6kV diesel oil
Generating set sends enabling signal, obtains 6.6kV diesel generating set operating parameter；Step S45,6.6KV exchange emergency is carried out
Distribution system series of busbars charge test, the electric parameter during output test；Step S46, simulated accident operating condition, to auxiliary
Feed pump sends enabling signal；Step S47, detection and confirm whether auxiliary feed water pump works in preassigned pattern；Step S48, it examines
It surveys and confirms whether 6.6kV diesel generating set, auxiliary feed water pump are without exception；Step S49, in auxiliary feedwater pump work predetermined
Mode, and when 6.6kV diesel generating set, auxiliary feed water pump are without exception, export auxiliary feed water pump rate of discharge parameter；Step
S490, judge that the band of 6.6kV moving emergency power supply carries the auxiliary feed water pump capacity of water supply according to auxiliary feed water pump rate of discharge parameter.
In above-described embodiment, it is auxiliary pump outlet flow amount parameter that band, which carries auxiliary feed water pump water supply test parameters,.According to auxiliary
Feed pump rate of discharge parameter judges that the step of band of 6.6kV moving emergency power supply carries the auxiliary feed water pump capacity of water supply specifically wraps
It includes: judging whether auxiliary feed water pump rate of discharge parameter reaches 28.4m3/ h, when auxiliary feed water pump rate of discharge reaches 28.4m3/h
When, determine that the band of 6.6kV moving emergency power supply carries auxiliary feed water pump capacity of water supply qualification, it is otherwise unqualified.
In above-described embodiment, it is preferable that the preassigned pattern of auxiliary feedwater pump work is small flow rate mode.
In above-described embodiment, auxiliary feed water pump includes but is not limited to No. 001 auxiliary feed water pump for being nuclear power station
(ASG001PO)。
In above-described embodiment, the step of cable connection preparation, is specifically included before testing: disconnecting 6.6KV exchange emergency power distribution system
Simultaneously locking is isolated in system series A, opens 6.6KV and exchanges casualty power distribution system series A B rear cover, inlet wire cable in Kaiyuan is solved after electrical verification,
Temporary cable is terminated into LHA003JA connecting part, and beats torque；The connection of 6.6kV moving emergency power supply and resistance box is disconnected,
The quick coupling of 6.6kV moving emergency power supply is connect with hydraulic testpump diesel generating set simultaneously, with actual test 6.6kV
Moving emergency Power supply belt carries auxiliary feed water pump, simulates true accident conditions and is drilled, and comprehensive verification nuclear power station 6.6kV is mobile
The reliability of emergency power supply.
In above-described embodiment, the switch unlock instruction sent to auxiliary feed water pump can be the control that control system is sent and refer to
It enables, such as high/low level signal.Equally, it is also possible to control system to the enabling signal that 6.6kV diesel generating set is sent to send
Control instruction, such as high/low level signal.
In above-described embodiment, by detecting and confirming whether auxiliary feed water pump is correct online, it can be ensured that emergency power supply band carries
Auxiliary feedwater pump testing 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 auxiliary feed water pump includes: connection motor start-up characteristic tester, passes through electricity
Motivation starting characteristic tester judges whether auxiliary feed water pump is correct online.
Further, above-mentioned that 6.6kV moving emergency power supply is carried out with the specific step for carrying auxiliary feed water pump feasibility analysis
It suddenly include: visual examination, electric insulation test and the mechanical system inspection before starting to 6.6kV moving emergency power supply, it is defeated
The apparent parameter of 6.6kV moving emergency power supply, electric insulation test parameters and system parameter out；To the vehicle-mounted diesel generation of 6.6kV
Unit sends No Load Start signal, the performance and parameter of measurement 6.6kV truck diesel alternator group in the unloaded state；It is right
6.6kV moving emergency power supply carries out including: the exhausted of detection temporary cable with the specific steps for carrying auxiliary feed water pump feasibility analysis
Edge performance and connector.
Above-mentioned apparent parameter, electric insulation test parameters and system parameter and 6.6kV truck diesel alternator group are in sky
The insulation performance and connector situation of performance and parameter and temporary cable under load state are to judge 6.6kV moving emergency power supply
Band carries the whether feasible basic parameter of auxiliary feed water pump.By to the apparent parameter, electric insulation test parameters and system parameter,
And it 6.6kV truck diesel alternator group performance in the unloaded state and parameter and the insulation performance of temporary cable and connects
The integrated data of head condition carries out calculating analysis, to judge whether 6.6kV 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 6.6kV moving emergency power supply
Condition carries out band to 6.6kV moving emergency power supply and carries auxiliary feedwater pump testing, the items of comprehensive verification 6.6kV moving emergency power supply
Whether performance meets design requirement, strengthens the reliability of nuclear power station 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 6.6kV moving emergency power supply, which comprises the following steps:
Band is carried out to 6.6kV moving emergency power supply and carries auxiliary feed water pump feasibility analysis, exports the 6.6kV moving emergency power supply
Whether judging result with the experimental condition that carries auxiliary feed water pump is met；
When the 6.6kV moving emergency power supply meets with the experimental condition for carrying auxiliary feed water pump, to the 6.6kV moving emergency
Power supply group carries out the test with nominal load, exports load capacity test parameters；
The load capacity of the 6.6kV moving emergency power supply is judged according to the load capacity test parameters, exports load capacity
Judging result；
When the load capacity of the 6.6kV moving emergency power supply meets the requirements, carry out with load auxiliary feed water pump to water test, it is defeated
Band carries auxiliary feed water pump water supply test parameters out；
Carry auxiliary feed water pump according to the band judges the auxiliary feed water pump of the 6.6kV moving emergency power supply to water energy to water test
Power exports the judging result of the auxiliary feed water pump capacity of water supply of the 6.6kV moving emergency power supply.
2. reliability verification method according to claim 1, which is characterized in that the 6.6kV moving emergency power supply includes
6.6kV truck diesel alternator group and temporary cable.
3. reliability verification method according to claim 2, which is characterized in that the 6.6kV moving emergency power supply
When carrying out the 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 auxiliary feed water pump to water test
Parameter is auxiliary pump outlet flow amount parameter.
5. reliability verification method according to claim 4, which is characterized in that the band carries auxiliary feed water pump to water test
Parameter is auxiliary pump outlet flow amount parameter；The band load auxiliary feed water pump that carries out to the specific steps of water test includes:
Cable connection prepares before being tested；
It detects and confirms whether the auxiliary feed water pump is correct online, when the auxiliary feed water pump is correct online, to described auxiliary
Feed pump is helped to send switch unlock instruction；
Enabling signal is sent to the 6.6kV truck diesel alternator group, obtains the 6.6kV truck diesel alternator group operation
Parameter；
It carries out 6.6KV and exchanges casualty power distribution system series of busbars charge test, obtain the electric parameter during test；
Simulated accident operating condition sends enabling signal to the auxiliary feed water pump；
It detects and confirms whether the auxiliary feed water pump works in preassigned pattern；
It detects and confirms whether the 6.6kV truck diesel alternator group, auxiliary feed water pump are without exception；
In the auxiliary feedwater pump work in preassigned pattern, and the 6.6kV truck diesel alternator group, auxiliary feed water pump are no different
Chang Shi exports the auxiliary feed water pump rate of discharge parameter；
According to the auxiliary feed water pump rate of discharge parameter judge the 6.6kV moving emergency power supply band carry auxiliary feed water pump to
Outlet capacity.
6. reliability verification method according to claim 5, which is characterized in that according to the auxiliary feed water pump rate of discharge
Parameter judges that the step of band of the 6.6kV moving emergency power supply carries the auxiliary feed water pump capacity of water supply specifically includes:
Judge whether the auxiliary feed water pump rate of discharge parameter reaches 28.4m3/ h, when the auxiliary feed water pump rate of discharge reaches
To 28.4m3When/h, the result with load auxiliary feed water pump capacity of water supply qualification of the 6.6kV moving emergency power supply is exported.
7. reliability verification method according to claim 5, which is characterized in that the preassigned pattern is small flow rate mode.
8. reliability verification method according to claim 2, which is characterized in that it is described to 6.6kV moving emergency power supply into
It goes and includes: with the specific steps for carrying auxiliary feed water pump feasibility analysis
Visual examination, electric insulation test and mechanical system inspection before starting to the 6.6kV moving emergency power supply, it is defeated
The apparent parameter of the 6.6kV 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 it is described to 6.6kV moving emergency power supply into
It goes and includes: with the specific steps for carrying auxiliary feed water pump feasibility analysis
No Load Start signal is sent to the 6.6kV truck diesel alternator group, exports the 6.6kV truck diesel alternator group
The measurement result of performance and parameter in the unloaded state.
10. reliability verification method according to claim 9, which is characterized in that it is described to 6.6kV moving emergency power supply into
It goes and includes: with the specific steps for carrying auxiliary feed water pump feasibility analysis
Detect the insulation performance and connector of the temporary cable.
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| CN108257694B (en) * | 2016-12-29 | 2019-09-17 | 中核核电运行管理有限公司 | A kind of nuclear power station main feed system performance supervision method |
| CN113417846B (en) * | 2021-05-31 | 2023-12-15 | 江苏核电有限公司 | Vehicle-mounted emergency mobile pump set with periodic test function and test method thereof |
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