CN105098968B - A kind of nuclear power plant's Primary hydraulic test dead electricity control method and system - Google Patents
A kind of nuclear power plant's Primary hydraulic test dead electricity control method and system Download PDFInfo
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- CN105098968B CN105098968B CN201510507977.7A CN201510507977A CN105098968B CN 105098968 B CN105098968 B CN 105098968B CN 201510507977 A CN201510507977 A CN 201510507977A CN 105098968 B CN105098968 B CN 105098968B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
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Abstract
The invention discloses a kind of nuclear power plant's Primary hydraulic test dead electricity control method and system, the described method comprises the following steps：S1, the power supply state of real-time diagnosis Primary hydraulic test power supply simultaneously obtain current dead electricity pattern, and each dead electricity pattern corresponds to a kind of automatic switchover state of accessory power supply and/or emergency power supply；S2, operated according to corresponding to being oriented to the accessory power supply and/or emergency power supply switching state single；S3, according to current operation list, the equipment to Primary hydraulic test and power supply perform corresponding operation respectively.The application operates the operation task of list by performing, and primary Ioops operation and electric operation are combined, and completes dead electricity control operation, limitation and alleviation dead electricity consequence, it is expected to carry out power up rapidly, continue the water pressure test, avoid the occurrence of big transient state；When power returns, operation module can start relevant device according to operation single control, avoid the unordered startup of equipment and new transient state is caused to unit.
Description
Technical field
The present invention relates to technical field of nuclear power, more particularly to a kind of nuclear power plant's primary Ioops experiment experiment dead electricity control method and
System.
Background technology
Pressurized-water reactor nuclear power plant is mainly made up of three parts such as pressurized water reactor, primary Ioops system and secondary coolant circuit system.One
Circuit system is mainly made up of pressure vessel and its connected pipeline.In order to verify the pressure vessel of primary Ioops and its connected pipe
Whether the bearing capacity in road meets design requirement, it is newly-built into nuclear power plant in must carry out Primary hydraulic test first,
It must carry out periodically testing (cycle is generally 10 years once) again in nuclear power plant in use.
Primary hydraulic test is super-huge compacted clay liners one, excessive risk, highly difficult debug-item.It is full
Foot carries out the requirement of the work such as Primary hydraulic test, the startup of key equipment, equipment combined debugging, it is specified that nuclear power station carries out head
During secondary Primary hydraulic test, available (such as the main power source and accessory power supply is available, main power source and emergency diesel-oil generate electricity of two-way power supply
Machine is available or accessory power supply and emergency diesel dynamo can use), to fill the emergency starting of pump on ensuring；Periodically test again
When, it is desirable to three-way power can use.And in Primary hydraulic test first, main power source is generally unavailable, only accessory power supply and
Emergency diesel dynamo can use so that the reliability of power supply is low.And in the prior art, do not tried for primary Ioops hydraulic pressure
The dead electricity control method tested.Therefore, in Primary hydraulic test, once there is the situation of dead electricity in nuclear power plant, and consequence may obtain
Less than control.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, is lost for lacking Primary hydraulic test in the prior art
The defects of electric control method, there is provided a kind of nuclear power plant's Primary hydraulic test dead electricity control method and system.
In order to solve the above-mentioned technical problem, the embodiments of the invention provide a kind of nuclear power plant's Primary hydraulic test dead electricity control
Method processed, comprises the following steps：
S1, the power supply state of real-time diagnosis Primary hydraulic test power supply simultaneously obtain dead electricity pattern, each mistake
Power mode corresponds to a kind of automatic switchover state of accessory power supply and/or emergency power supply；
S2, operated according to corresponding to being oriented to the accessory power supply and/or emergency power supply switching state single；
S3, according to current operation list, the equipment to Primary hydraulic test and power supply perform corresponding behaviour respectively
Make.
Preferably, before the step S1, in addition to：S0, the behaviour according to corresponding to the dead electricity pattern of power supply is default
Make single.
Preferably, in the step S1, by detecting voltage and power supply report on the distribution board being connected with power supply
Signal is warned to diagnose the power supply state of power supply.
Preferably, also include before the step S1：
S01, all dead electricity patterns are preset according to the value volume and range of product of power supply；
The power supply is from the two-way external power being made up of main power source, accessory power supply and by two row emergency diesel dynamos
At least two-way power supply is selected in the two-way interior power of composition, external power all the way is comprised at least in selected at least two-way power supply；
The quantity of all dead electricity patterns is at least 2.
Preferably, the operation is single includes being used for the primary Ioops control operation list and use for controlling Primary hydraulic test equipment
Operated in the electrical control of control Primary hydraulic test power supply single；Among the step S0, each above-mentioned dead electricity
Pattern, it is each to preset a primary Ioops control operation list and an electrical control operation list.
Preferably, in the step S3, the power supply state that the operation task includes diagnosing power supply again is laid equal stress on
It is new to obtain dead electricity pattern, return to step S2.
Preferably, following co-operation task is included on each operation list：Hydraulic testpump running status is detected, and
The running status restored it into before dead electricity；Detect put into operation on fill the power supply shape of pump, component cooling pump/essential service water pump
State, if operation on fill pump and component cooling pump/essential service water pump dead electricity, start the power supply of another way power supply on fill
Pump and component cooling pump/essential service water pump, then first recovery power supply is restarted in the case of all power loses；In recovery
Fill, under let out and injected with main pump axle envelope to stablize primary Ioops pressure；Recover power supply.
Correspondingly, present invention also offers a kind of nuclear power plant's Primary hydraulic test dead electricity control system, including：
Diagnostic module, for real-time diagnosis Primary hydraulic test power supply power supply state and obtain current dead electricity mould
Formula, each dead electricity pattern correspond to a kind of automatic switchover state of accessory power supply and/or emergency power supply；
Oriented module, it is single for being operated according to corresponding to the accessory power supply and/or emergency power supply switching state guiding；
Operation module, for the equipment to Primary hydraulic test and power supply to perform phase respectively according to current operation list
The operation answered.
Preferably, dead electricity pattern of the described nuclear power plant's Primary hydraulic test dead electricity control system always according to power supply
Operation is single corresponding to default.
Preferably, the diagnostic module is by detecting voltage and power supply alarming letter on the distribution board being connected with power supply
Number diagnose the power supply state of power supply.
Preferably, the power supply is from the two-way external power being made up of main power source, accessory power supply and by the emergent bavin of two row
At least two-way power supply is selected in the two-way interior power that fry dried food ingredients motor is formed, is comprised at least all the way in selected at least two-way power supply
External power；Type and quantity based on power supply, all dead electricity patterns are preset in the dead electricity control system, it is described to be lost
The quantity of power mode is at least 2.
Preferably, the operation it is single include being used to control the primary Ioops control operation list of the equipment of Primary hydraulic test and
The electrical control of power supply for controlling Primary hydraulic test operates single；Corresponding to each above-mentioned dead electricity pattern, institute
State each default primary Ioops control operation list of presetting module and an electrical control operation is single.
Preferably, the operation task includes diagnosing the power supply state of power supply again and regains dead electricity pattern；
The operation module is additionally operable to the dead electricity Mode Feedback that will regain to the oriented module.
Preferably, following co-operation task is included on each operation list：Hydraulic testpump running status is detected, and
The running status restored it into before dead electricity；Detect put into operation on fill the power supply shape of pump, component cooling pump/essential service water pump
State, if operation on fill pump and component cooling pump/essential service water pump dead electricity, start the power supply of another way power supply on fill
Pump and component cooling pump/essential service water pump, then first recovery power supply is restarted in the case of all power loses；In recovery
Fill, under let out and injected with main pump axle envelope to stablize primary Ioops pressure；Recover power supply.
Implement the embodiment of the present invention, have the advantages that：The application operates single operation task by performing, by one
Circuit operation and electric operation are combined, and complete dead electricity control operation, limitation and alleviation dead electricity consequence, it is expected to carry out power supply rapidly
Recover, continue the water pressure test, avoid the occurrence of big transient state；When power returns, operation module can open according to operation single control
Dynamic relevant device, avoid the unordered startup of equipment and new transient state is caused to unit.It is particularly weaker in power supply reliability
In the case of, the technical scheme of the application reduces the risk of water pressure test process, enhances the successful confidence of the water pressure test, reduces
The progress of Nuclear power project is influenceed by power construction delay, while the safety of guarantee test and equipment.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is Primary hydraulic test dead electricity control method flow chart provided by the invention；
Fig. 2 is first embodiment Primary hydraulic test power supply circuit schematic diagram provided by the invention；
Fig. 3 is second embodiment Primary hydraulic test power supply circuit schematic diagram provided by the invention；
Fig. 4 is Primary hydraulic test dead electricity control system block diagram provided by the invention；
Fig. 5 is the Primary hydraulic test dead electricity control system side of the power supply circuit provided by the invention for shown in Fig. 2
Block diagram；
Fig. 6 is the Primary hydraulic test dead electricity control system side of the power supply circuit provided by the invention for shown in Fig. 3
Block diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
Fig. 1 is Primary hydraulic test dead electricity control method flow chart provided by the invention.As shown in figure 1, the present embodiment
The Primary hydraulic test dead electricity control method of offer comprises the following steps：
S1, the power supply state of real-time diagnosis Primary hydraulic test power supply simultaneously obtain dead electricity pattern, each mistake
Power mode corresponds to a kind of automatic switchover state of accessory power supply and/or emergency power supply；
S2, operated according to corresponding to being oriented to the accessory power supply and/or emergency power supply switching state single；
S3, according to current operation list, the equipment to Primary hydraulic test and power supply perform corresponding behaviour respectively
Make.
In preferred embodiment provided by the invention, in above-mentioned steps S1, diagnostic module passes through detection and power supply
Voltage and power supply alarming signal on the distribution board of connection diagnose the power supply state of power supply.Also include before step S1
Following steps：
S0, operate list according to corresponding to the dead electricity pattern of power supply is default；
S01, all dead electricity patterns are preset according to the value volume and range of product of power supply.
Wherein, S0 and S01 sequencing can be exchanged mutually.
According to the actual conditions of nuclear power plant, power supply generally includes four-way power supply, i.e., is made up of main power source, accessory power supply
Two-way external power and the two-way interior power that is made up of two row emergency diesel dynamos.In order to ensure the peace of Primary hydraulic test
Entirely, power supply must select at least two-way power supply for Primary hydraulic test power supply from this four-way power supply.Selected
At least two-way power supply at least external power all the way, the external power normal power supply, other power backups.According to number of power sources and species
Difference, its possessed dead electricity pattern is also different.But no matter selecting the power supply of which kind of value volume and range of product, every kind of selecting party
All dead electricity patterns of case have all been pre-set.
Below so that main power source, accessory power supply and emergency diesel dynamo are all available as an example, and this Shen is described in detail with reference to Fig. 2
Please primary Ioops experiment experiment dead electricity control method operation principle.
Fig. 2 is first embodiment Primary hydraulic test power supply circuit schematic diagram provided by the invention.As shown in Fig. 2 this
Main power source, accessory power supply and emergency diesel dynamo have been used in power supply circuit simultaneously.Wherein, accessory power supply is again respectively by auxiliary
Transformer A and B is helped to be connected to distribution board LGB and LGC.Emergency diesel dynamo is two, i.e. emergency diesel dynamo 1 and emergent
Diesel-driven generator 2.Main power source (i.e. generator) is connected respectively to distribution board LGA and LGD by step-down transformer A.Accessory power supply
AS is connected to distribution board LGB and LGC by auxiliary transformer A and B respectively.Emergency diesel dynamo 1 and 2 is respectively connecting to distribution
Disk LHA and LHB.Distribution board LGB is connected to distribution board LHA.Distribution board LGC is connected to distribution board LHB.This power supply circuit include with
Lower 7 kinds of dead electricity patterns：
Dead electricity pattern 1：Main power source is lost, accessory power supply switches successfully；
Dead electricity pattern 2：Main power source is lost, distribution board LGB is switched successfully, and LGC switchings are unsuccessful；
Dead electricity pattern 3：Main power source is lost, distribution board LGC is switched successfully, and LGB switchings are unsuccessful；
Dead electricity pattern 4：Main power source and accessory power supply are lost, two emergency diesel dynamos start successfully；
Dead electricity pattern 5：Main power source and accessory power supply are lost, emergency diesel dynamo 1 starts successfully；
Dead electricity pattern 6：Main power source and accessory power supply are lost, emergency diesel dynamo 2 starts successfully；
Dead electricity mode 7：Main power source and accessory power supply are lost, emergency diesel dynamo starts unsuccessful.
Dead electricity pattern in 7 corresponding to more than, 7 primary Ioops control operation lists and 7 electrical control operations have been preset respectively
It is single.Primary Ioops control operation is alone to be controlled in each equipment to primary Ioops, including opens, is opened and closed or adjusts primary Ioops
Equipment is stable to ensure the latter circuit pressure of dead electricity, avoids the occurrence of big transient state.Electrical control operation is alone in control power supply, holds
Row is powered again to be operated with power up, to ensure that the latter loop state of dead electricity is controllable.Therefore, it is preferable to carry out provided by the invention
It is each to preset a primary Ioops control operation list and one corresponding to each above-mentioned dead electricity pattern in above-mentioned steps S0 in example
Electrical control operation is single.
For the power supply circuit shown in Fig. 2, if diagnostic module detects distribution board LGA and LGD, and the two distribution boards
Power supply alarming signal LGA001KA and LGD001KA voltage be 0, and detect on distribution board LGB, LGC, LHA and LHB
Voltage is normal working voltage (being 6.6kV in the present embodiment), then then assert that electric power system is in dead electricity pattern 1, i.e., main electricity
Source is failed, but successful switch to accessory power supply is powered.After obtaining electric power system and being in dead electricity pattern 1, oriented module is oriented to
Operation single 1 corresponding with dead electricity pattern 1.Operation single 1 includes primary Ioops control operation list 1 and electrical control operation single 1.Finally obtain
Take and perform the operation task in operation single 1 and corresponding operation is performed to maintain one time with the equipment to primary Ioops and power supply
Road pressure stability, is avoided in dead electricity and big transient state occurs in moment of powering again.
If diagnostic module detects distribution board LGA, LGC and LGD, and the power supply alarming signal of these three distribution boards
LGA001KA, LGC001KA and LGD001KA voltage are 0, and detect that the voltage on distribution board LGB and LHA is normal work
Voltage (being 6.6kV in the present embodiment), then then assert that electric power system is in dead electricity pattern 2, i.e. primary source failure, but it is successful
Accessory power supply is switched to power to distribution board LGB, but distribution board LGC power supply failures.Dead electricity mould is in obtaining electric power system
After formula 2, oriented module is oriented to operation single 2 corresponding with dead electricity pattern 2.Finally obtain and perform the operation task in operation single 2
Corresponding operation is performed to maintain primary Ioops pressure stability with the equipment to primary Ioops and power supply, avoided in dead electricity and again
There is big transient state in power supply moment.
If diagnostic module detects distribution board LGA, LGB and LGD, and the power supply alarming signal of these three distribution boards
LGA001KA, LGB001KA and LGD001KA voltage are 0, and detect that the voltage on distribution board LGC and LHB is normal work
Voltage (being 6.6kV in the present embodiment), then then assert that electric power system is in dead electricity pattern 3, i.e. primary source failure, successful switch
Powered to accessory power supply to distribution board LGC, but distribution board LGB power supply failures.Dead electricity pattern 3 is in obtaining electric power system
Afterwards, oriented module is oriented to operation single 3 corresponding with dead electricity pattern 3.Finally obtain and perform the operation task in operation single 3 with right
The equipment and power supply of primary Ioops perform corresponding operation to maintain primary Ioops pressure stability, avoid powering in dead electricity and again
There is big transient state in moment.
If diagnostic module detects distribution board LGA, LGB, LGC and LGD, and the power supply alarming signal of this four distribution boards
LGA001KA, LGB001KA, LGC001KA and LGD001KA voltage are 0, and detect the voltage on distribution board LHA and LHB
For normal working voltage (being 6.6kV in the present embodiment), then then assert that electric power system be in dead electricity pattern 4, i.e., main power source with
Accessory power supply fails, and two emergency diesel dynamos start successfully and powered.Dead electricity pattern 4 is in obtaining electric power system
Afterwards, oriented module is oriented to operation single 4 corresponding with dead electricity pattern 4.Finally obtain and perform the operation task in operation single 4 with right
The equipment and power supply of primary Ioops perform corresponding operation to maintain primary Ioops pressure stability, avoid powering in dead electricity and again
There is big transient state in moment.
If diagnostic module detects distribution board LGA, LGB, LGC and LGD, the power supply alarming signal of this four distribution boards
LGA001KA, LGB001KA, LGC001KA and LGD001KA, and distribution board LHB voltage is 0, and detect distribution board LHA
On voltage be normal working voltage (being 6.6kV in the present embodiment), then then assert electric power system be in dead electricity pattern 5, i.e.,
Main power source and accessory power supply fail, and emergency diesel dynamo 1 starts and with carrying successfully.Dead electricity mould is in obtaining electric power system
After formula 5, oriented module is oriented to operation single 5 corresponding with dead electricity pattern 5.Finally obtain and perform the operation task in operation single 5
Corresponding operation is performed to maintain primary Ioops pressure stability with the equipment to primary Ioops and power supply, avoided in dead electricity and again
There is big transient state in power supply moment.
If diagnostic module detects distribution board LGA, LGB, LGC and LGD, the power supply alarming signal of this four distribution boards
LGA001KA, LGB001KA, LGC001KA and LGD001KA, and distribution board LHA voltage is 0, and detect distribution board LHB
On voltage be normal working voltage (being 6.6kV in the present embodiment), then then assert electric power system be in dead electricity pattern 6, i.e.,
Main power source and accessory power supply fail, and emergency diesel dynamo 2 starts and with carrying successfully.Dead electricity mould is in obtaining electric power system
After formula 6, oriented module is oriented to operation single 6 corresponding with dead electricity pattern 6.Finally obtain and perform the operation task in operation single 6
Corresponding operation is performed to maintain primary Ioops pressure stability with the equipment to primary Ioops and power supply, avoided in dead electricity and again
There is big transient state in power supply moment.
If diagnostic module detects distribution board LGA, LGB, LGC and LGD, the power supply alarming signal of this four distribution boards
LGA001KA, LGB001KA, LGC001KA and LGD001KA, and distribution board LHA and LHB voltage are 0, then then assert and supply
Electric system is in dead electricity mode 7, i.e. main power source and accessory power supply fails, and emergency diesel dynamo startup is unsuccessful.Obtaining
After electric power system be in dead electricity mode 7, oriented module, which is oriented to, corresponding with dead electricity mode 7 operates singly 7.Finally obtain and perform
Operation task in operation single 7 performs corresponding operation to maintain primary Ioops pressure steady with the equipment to primary Ioops and power supply
It is fixed, avoid in dead electricity and the big transient state of moment appearance of powering again.
Above-mentioned 7 operations are single to correspond to 7 different power failure states, therefore the operation task phase not to the utmost on 7 operation lists
Together.But they all include some general operation tasks, power supply state and the acquisition of detection power supply are such as repeated continuously
The newest dead electricity pattern of electric power system.General operation tasks also include detection hydraulic testpump running status, and restore it into
Running status before dead electricity；Detect put into operation on fill pump, the power supply state of component cooling pump/essential service water pump, if fortune
Pump and component cooling pump/essential service water pump dead electricity are filled on capable, then start the power supply of another way power supply on fill pump and equipment
Cooling water pump/essential service water pump, then first recovery power supply is restarted in the case of all power loses；Filled in recovery, under let out and
Main pump axle envelope is injected to stablize primary Ioops pressure；Recover power supply.
After dead electricity, when detecting power up and the startup of required operational outfit, set state is stable or unit falls back on and unloaded
During pressure condition, operation list is exited, stops performing operation task；When detecting that electric power system belongs to new dead electricity pattern, it is oriented to
New operation list corresponding to module guiding, then obtain and perform the operation task on new operation list.
To those skilled in the art, can be each with respective design under the teachings of the present invention with reference to concrete practice
Operation task on operation list with reach maintain primary Ioops pressure stabilitys by performing the task on operation list, avoid in dead electricity and
Again the technique effect for the big transient state of moment appearance of powering.Below will comprehensive primary Ioops control operation list and electrical control operation
It is single, it is simple to introduce the single certain operations task of each operation.
Operation single 1, corresponding to dead electricity pattern 1 (losing main power source, switch successfully to accessory power supply), its primary operational is appointed
Business is as follows：
(1) detect again and confirm the dead electricity pattern of power supply；
(2) confirm that main pump has been stopped transport, it is ensured that main pump still keeps stoppage in transit state when station service recovers.
(3) running status of the relevant operational outfit of the water pressure test is checked, as above fills pump, component cooling pump/important factory
With water pump, residual heat removal pump and hydraulic testpump, and these pumps are made to maintain original running status before dead electricity, to control primary Ioops pressure
Power is stable；
(4) recover main power source, start relevant equipment, terminate dead electricity operation；
(5) main power source for a long time be unable to recovery situation under, perform LGB/LGC to the anti-power transmissions of LGA/LGD, it is necessary to when start
1 main pump (should be noted that load limits).
Operation single 2, corresponding to dead electricity pattern 2 (losing main power source, LGB is switched successfully, and LGC switchings are unsuccessful), it is led
Want operation task as follows：
(1) detect again and confirm the dead electricity pattern of power supply；
(2) such as hydraulic testpump is being run, then closes excess letdown, starts the feedwater of hydraulic testpump diesel-driven generator immediately
Test pump is pressed to power so that its restarting, opens excess letdown, stable primary Ioops pressure again；
(3) according to emergency diesel dynamo 2 whether successfully start up with carry, put into operation on fill pump whether dead electricity, setting of putting into operation
Standby cooling water pump/essential service water pump whether dead electricity situations such as perform different operations：
If emergency diesel dynamo 2 successfully starts up, check and filled on B row (i.e. power supply series where emergency diesel dynamo 2)
Band carries startup automatically for pump, component cooling pump/essential service water pump, ensures the injection of main pump axle envelope, it is ensured that primary Ioops pressure stability；
If emergency diesel dynamo 2 start it is unsuccessful, if original B row component cooling pump/essential service water pump operation,
Then B row component cooling pump/essential service water pump dead electricity is stopped transport, and starts A row (i.e. power supply series where emergency diesel dynamo 1)
Component cooling pump/essential service water pump；If originally A row component cooling pump/essential service water pump operation, checks A
Row component cooling pump/essential service water pump is still being run；If originally filling pump operation on A row, check that filling pump on A row still exists
Operation；If originally filling pump operation on B row, the stoppage in transit of pump dead electricity is filled on B row, starts and fills pump on A row；
Filled on if pump experience stop transport and manually boot, under let out automatism isolation, need to recover on fill, under let out and main pump axle envelope
Injection, by letting out balance and stability primary Ioops pressure under above filling；
(4) recover main power source, start relevant equipment, terminate dead electricity operation；
(5) if recovering accessory power supply completely, operation single 1 is gone to.
Operation single 3, corresponding to dead electricity pattern 3 (losing main power source, LGC is switched successfully, and LGB switchings are unsuccessful), it is led
Want work(operation task as follows：
(1) detect again and confirm the dead electricity pattern of power supply；
(2) if filled on before dead electricity and under let out be isolated, water pressure test pump operation, check and ensure hydraulic testpump
Still running, it is ensured that primary Ioops pressure stability；
(3) whether successfully started up according to emergency diesel dynamo 1, put into operation on fill pump whether dead electricity, the equipment that puts into operation be cold
But water pump/essential service water pump whether dead electricity situations such as perform different operations：
If emergency diesel dynamo 1 is to successfully start up, checks and pump, component cooling pump/essential service water pump are filled on A row certainly
Dynamic band, which carries, to be started, and ensures the injection of main pump axle envelope, it is ensured that primary Ioops pressure stability；
If emergency diesel dynamo 1 start it is unsuccessful, if original A row component cooling pump/essential service water pump operation,
Then A row component cooling pump/essential service water pump dead electricity is stopped transport, and starts component cooling pump/essential service water pump of B row；Such as
The original B row component cooling pump/essential service water pump operation of fruit, then check that B row component cooling pump/essential service water pump still exists
Operation；If originally filling pump operation on B row, check that filling pump on B row is still running；If originally fill pump operation, A on A row
The stoppage in transit of pump dead electricity is filled on row, starts and fills pump on B row；
Filled on if pump experience stop transport and manually boot, under let out automatism isolation, need to recover on fill, under let out and main pump axle envelope
Injection, by letting out balance and stability primary Ioops pressure under above filling；
(4) recover main power source, start relevant equipment, terminate dead electricity operation；
(5) if recovering accessory power supply completely, operation single 1 is gone to.
Operation single 4, (main power source and accessory power supply are lost, two emergency diesel dynamos start corresponding to dead electricity pattern 4
Success), its primary operational task is as follows：
(1) detect again and confirm the dead electricity pattern of power supply；
(2) hydraulic testpump is being run before such as powering off, and closes excess letdown, starts hydraulic testpump diesel-driven generator immediately
Powered to hydraulic testpump so that its restarting, opens excess letdown, stable primary Ioops pressure again；
(3) check emergency diesel dynamo whether band carry successfully, and on fill pump, component cooling pump/essential service water pump
Normal operation, unnecessary operational outfit of stopping transport；Load is manually booted if emergency diesel dynamo band load is unsuccessful, such as load fortune
Row is abnormal, then the equipment of stopping transport, keeps the equipment of redundancy to run；
(4) recover main power source, start relevant equipment, terminate dead electricity operation；
(5) if recovering accessory power supply completely, operation single 1 is gone to.
Operation single 5, (main power source and accessory power supply are lost, emergency diesel dynamo 1 opens automatically corresponding to dead electricity pattern 5
Dynamic band carries successfully), its primary operational task is as follows：
(1) detect again and confirm the dead electricity pattern of power supply；
(2) hydraulic testpump is being run before such as powering off, and closes excess letdown, starts hydraulic testpump diesel-driven generator immediately
Powered to hydraulic testpump so that its restarting, opens excess letdown, stable primary Ioops pressure again；
(3) check that whether band carries successfully emergency diesel dynamo 1, above fills pump, component cooling pump/essential service water pump
A row start；If emergency diesel dynamo band carry it is unsuccessful if manually boot load, as load running is abnormal, then stopping transport, this sets
It is standby, keep the equipment of redundancy to run；
(4) using filled in operation pump, RRI/SEC control set state；
(5) using instrument control, power supply case is powered again to crucial I ＆C equipment again；
(6) recover main power source, start relevant equipment, terminate dead electricity operation；
(7) if recovering other power supplys, it is single that corresponding operation is oriented to according to new dead electricity pattern.
Operation single 6, (main power source and accessory power supply are lost, emergency diesel dynamo 2 opens automatically corresponding to dead electricity pattern 6
Dynamic band carries successfully), its primary operational task is as follows：
(1) detect again and confirm the dead electricity pattern of power supply；
(2) hydraulic testpump is being run before such as powering off, and closes excess letdown, starts hydraulic testpump diesel-driven generator immediately
Powered to hydraulic testpump so that its restarting, opens excess letdown, stable primary Ioops pressure again；
(3) check that whether band carries successfully emergency diesel dynamo 2, above fills pump, component cooling pump/essential service water pump
B row start；If emergency diesel dynamo band carry it is unsuccessful if manually boot load, as load running is abnormal, then stopping transport, this sets
It is standby, keep the equipment of redundancy to run；
(4) equipment is provided by component cooling pump/essential service water pump operation to cool down；Using pump is filled in operation, lead to
Stable primary Ioops pressure is let out under being filled in overbalance；
(5) using instrument control, power supply case is powered again to crucial I ＆C equipment again.
(6) power-saving running is carried out to dc source LCA；
(7) recover main power source, start relevant equipment, terminate dead electricity operation；
(8) if recovering other power supplys, it is single that corresponding operation is oriented to according to new dead electricity pattern.
Operation single 7, corresponding to dead electricity mode 7 (lose whole accessory power supplys and emergency diesel dynamo start it is unsuccessful,
By the armamentarium of LHA/LHB emergency switchboards institute band will lose power supply and it is out of service, primary Ioops, which will lose, fills pump on RCV,
Primary Ioops pressure controling means are lost, the low automatism isolation letdown line of pump discharge pressure is filled after 18 seconds, on RCV), its is main
Operation task is as follows：
(1) check and let out automatism isolation under ensuring；
(2) hydraulic testpump is being run before such as powering off, and closes excess letdown；
(3) start hydraulic testpump diesel-driven generator immediately to power to hydraulic testpump；
(4) hydraulic testpump is started, there is provided main pump axle envelope, open excess letdown, stable primary Ioops pressure；If hydraulic pressure tries
Testing pump could not successfully start up, then closes main pump axle envelope injection flow control valve；
(5) by increasing excess letdown so that primary Ioops are depressured, as long as power supply does not recover, reduced pressure operation is carried out always；
(6) using instrument control, power supply case is powered again to crucial I ＆C equipment again；
(7) power-saving running is carried out to dc source LCA；
(8) power up is carried out always, if power up, is then oriented to corresponding operation according to new dead electricity pattern
It is single.
It is leading that the dead electricity control method and system operate list with primary Ioops, and primary Ioops operation and electric operation are engaged,
Complete dead electricity control operation, limitation and alleviation dead electricity consequence.
It should be understood that because each power supply state is different with condition, typically up to can use all or less than power supply, usual 2-3
Road power supply can use, and specific dead electricity pattern and corresponding operation list can be according to actually available power supply number amount and type come really
It is fixed.For example, for the electric power system shown in Fig. 2, if in Primary hydraulic test, using by power supply based on accessory power supply,
During the standby power supply plan of emergency diesel dynamo 2, then dead electricity pattern is then following 4 kinds：
Dead electricity pattern 1：Individually lose auxiliary transformer A power supplies；
Dead electricity pattern 2：Individually lose auxiliary transformer B power supplies；
Dead electricity pattern 3：Lose whole accessory power supplys, the automatic start of emergency diesel dynamo 2 into；
Dead electricity pattern 4：Loss of auxiliary power, and emergency diesel dynamo 2 start it is unsuccessful.
Above-mentioned 4 dead electricity patterns are corresponded to, there is provided 4 operations are single.Diagnostic method to above-mentioned 4 dead electricity patterns and
The single operation content of corresponding 4 operations is referred to above embodiment and is designed, and is not repeated herein.
The Primary hydraulic test dead electricity of the present invention is controlled above in association with a specific power supply circuit as shown in Figure 2
Method is set forth in.In order that technical scheme is more clearly understood in those skilled in the art, below
Another specific power supply circuit of nuclear power plant with reference to shown in Fig. 3 is illustrated into Primary hydraulic test dead electricity control method.It is logical
The two different electric power systems are crossed, illustrate that the water pressure test dead electricity control method of the application has general applicability comprehensively,
And it is not limited to specific electric power system.Those skilled in the art, can be by the primary Ioops water of the application under the guidance of the application
Pressure experiment dead electricity control method is applied in the various possible electric power systems of nuclear power plant.
Generated electricity as shown in figure 3, the power supply circuit includes 500kV main power source, 220kV accessory power supply and emergency diesel-oil
Machine LHP, LHQ and LHR.
According to power load distributing, LGA, LGD and the LGE for being connected to main power source are unit distribution board, are connected to unit normal operation
Necessary auxiliary equipment, also progressively stopped transport in succession when unit outage.
LGM, LGN, LGO and LGP are nuclear island unit distribution board, the safe factory building of connection nuclear island, reactor building and core auxiliary
The large-scale electric equipment of factory building, low pressure 380V AC powers are assigned downwards.Wherein, No. 1 main pump is powered by LGM, No. 2 main pumps by
LGN is powered, and No. 3 main pumps are powered by LGO.
To be connected to main power source and LGB, LGC and LGF of accessory power supply be permanent station distribution board simultaneously, is connected to important auxiliary
Equipment is helped, still needs to continue to run with when unit outage, to ensure the normal start and stop of unit.LGM, LGN, LGO and LGP are electrically connected
One into LGB, LGC and LGF.
Emergent alternating-current distribution panel LHA, LHB, the LHC of 10kV is pressed in 3 sections.LHA distribution boards hang with the emergent load of nuclear island A row, LHB
Distribution board hangs with the emergent load of nuclear island B row, and LHC distribution boards hang with the emergent load of nuclear island C row.Three groups of emergent alternating-current distribution panels, and
A diesel emergency generating set each is equipped with as on-site power；Under normal circumstances by station-service main power source or station-service accessory power supply
Power, start emergency diesel dynamo power supply under accident condition.
Unit distribution board, permanent station distribution board and emergent alternating-current distribution panel are broadly divided into tri- power supply series of A, B and C.
In addition, main power source and accessory power supply may be also connected to the 4th row distribution board, but this row distribution board whether dead electricity with
Primary hydraulic test does not have much relations, is not considered herein.During Primary hydraulic test, typically passed through by 500kV power networks
Cross main switch station and the main transformer public auxiliary device power supply of these three series and power plant, accessory power supply or diesel generation into factory
Machine is standby.
The dead electricity pattern of the electric power system includes：
Dead electricity pattern 1：Lose main power source, switched successfully to accessory power supply, its dead electricity control method corresponds to be supplied shown in Fig. 2
The dead electricity control method of the dead electricity pattern 1 of electric system；
Dead electricity pattern 2：Lose main power source and accessory power supply, at least emergency diesel dynamo LHQ (B row) and LHR (C row) is opened
Move successfully, its dead electricity control method corresponds to the dead electricity control method of the dead electricity pattern 4 of electric power system shown in Fig. 2；
Dead electricity pattern 3：Main power source and accessory power supply are lost, at least emergency diesel dynamo LHQ (B row) starts successfully, should
Anxious diesel-driven generator LHR (C row) starts unsuccessful；Its dead electricity control method corresponds to the dead electricity mould of the electric power system shown in Fig. 2
The dead electricity control method of formula 5 or 6；
Dead electricity pattern 4：Main power source and accessory power supply are lost, at least emergency diesel dynamo LHR (C row) starts successfully, should
Anxious diesel-driven generator LHQ (B row) starts unsuccessful；Its dead electricity control method corresponds to the dead electricity mould of the electric power system shown in Fig. 2
The dead electricity control method of formula 5 or 6；
Dead electricity pattern 5：Lose main power source and accessory power supply, emergency diesel dynamo LHR (C row) and LHQ (B row) starts not
Success, its dead electricity control method correspond to the dead electricity control method of the dead electricity mode 7 of the electric power system shown in Fig. 2.
Fill pump due to not taken in the power supply circuit shown in Fig. 3, on emergency diesel dynamo LHP, thus LHP start with
It is no little with set state control action, there is no too much influence to the pressure of primary Ioops.In above-mentioned dead electricity pattern 3-5, together
When contain LHP start successfully with unsuccessful two kinds of situations.
Fig. 4 is Primary hydraulic test dead electricity control system block diagram provided by the invention.As shown in figure 4, the dead electricity control
System processed includes：Diagnostic module 10, oriented module 20 and operation module 30.Wherein, diagnostic module 10 returns for real-time diagnosis one
Road test tests the power supply state of pilot system power supply and obtains current dead electricity pattern, each corresponding auxiliary electricity of the dead electricity pattern
Source and/or a kind of automatic switchover state of emergency power supply；Oriented module 20 is used for after diagnosis according to diagnostic module 10 what is obtained
Operation corresponding to dead electricity pattern or accessory power supply and/or emergency power supply switching state guiding is single, and operation module 30 is used for basis and worked as
The equipment to Primary hydraulic test and power supply perform corresponding operation to preceding operation list respectively.
In preferred embodiment provided by the invention, diagnostic module 10 is by detecting on the distribution board being connected with power supply
Voltage and power supply alarming signal diagnose the power supply state of power supply.
According to the actual conditions of nuclear power plant, power supply generally includes four-way power supply, i.e., is made up of main power source, accessory power supply
Two-way external power and the two-way interior power that is made up of two row emergency diesel dynamos.In order to ensure the peace of Primary hydraulic test
Entirely, power supply must select at least two-way power supply for Primary hydraulic test power supply from this four-way power supply.Selected
At least two-way power supply at least external power all the way, the external power normal power supply, other power backups.Therefore, in this application, lose
The quantity of power mode is at least 2.It is also different according to number of power sources and the difference of species, its possessed dead electricity pattern.But no
By the power supply for selecting which kind of value volume and range of product, all dead electricity patterns of every kind of selection scheme have all been pre-set.
In addition, in preferred embodiment provided by the invention, dead electricity pattern of the dead electricity control system always according to power supply
Operation is single corresponding to default.Corresponding to each dead electricity pattern, there is corresponding operation list.Operation is single to be included being used to control one
Hydrostatic circuit experiment equipment primary Ioops control operation list and for control Primary hydraulic test power supply it is electric
Control operation list.Corresponding to each above-mentioned dead electricity pattern, each default primary Ioops control behaviour in the dead electricity control system
It is single to make a single and electrical control operation.
Preferably, operating the operation task on list includes diagnosing the power supply state of power supply again and regains dead electricity
Pattern.As shown in figure 4, operation module 30 is additionally operable to the dead electricity Mode Feedback that will regain to oriented module 20, oriented module
20 are oriented to new operation list further according to current new dead electricity pattern.Certainly, the operation task operated on list also includes, when detecting
All power supplys are all back to normal to be made, and it is single to exit operation.
Below so that main power source, accessory power supply and emergency diesel dynamo are all available as an example, and combine Fig. 2 and Fig. 5 specifically
The operation principle of bright the application primary Ioops experiment experiment dead electricity control system.
Fig. 5 is the Primary hydraulic test dead electricity control system side of the power supply circuit provided by the invention for shown in Fig. 2
Block diagram.As shown in figure 5, in the dead electricity control system, the real-time diagnosis of diagnostic module 10 goes out the dead electricity of acquisition after power failure state
Pattern is sent to oriented module 20, and oriented module 20 is oriented to one of them operated in single 1-7 according to dead electricity pattern.Operate mould
Block 30 includes primary Ioops control module 31 and electric control module 32, and the operation for being respectively used to obtain and performing on operation list is appointed
Business.The specific diagnostic method of diagnostic module 10, and single particular content is operated above to having been retouched in detail in Fig. 2 elaboration
State, be not repeated herein.From figure 5 it can be seen that when performing 4-7 primary Ioops control operation lists, if now auxiliary electricity
Source is recovered, and operation module 30 can diagnose the power failure state of power supply again and obtain newest dead electricity pattern, so as to accordingly
Re-direct one in No. 1-3 operation list.When performing No. 7 primary Ioops control operation lists, if now emergency diesel-oil is sent out
Motor restores electricity, then it is single can then to re-direct 5 or No. 6 operations.Certainly, all restore electricity when being diagnosed to be all power supplys,
The equipment of required operation has been turned on, and when set state is stable or unit falls back on depressurization phase, then exits operation list, stops performing
Operate the operation task on list.
The Primary hydraulic test dead electricity control system of the present invention is carried out above in association with a specific power supply circuit
It is set forth in.In order that technical scheme is more clearly understood in those skilled in the art, below in conjunction with nuclear power
Factory another specific power supply circuit illustrates Primary hydraulic test dead electricity control system.Pass through the two different power supply systems
System, illustrate that the water pressure test dead electricity control system of the application has general applicability comprehensively, and be not limited to specifically power
System.Those skilled in the art can answer the Primary hydraulic test dead electricity control system of the application under the guidance of the application
For in the various possible electric power systems of nuclear power plant.
Fig. 6 is the Primary hydraulic test dead electricity control system side of the power supply circuit provided by the invention for shown in Fig. 3
Block diagram.As shown in fig. 6, in the dead electricity control system, the real-time diagnosis of diagnostic module 10 goes out the dead electricity of acquisition after power failure state
Pattern is sent to oriented module 20, and oriented module 20 is oriented to one of them operated in single 1-5 according to dead electricity pattern.Operate mould
Block 30 includes primary Ioops control module 31 and electric control module 32, is respectively used to obtain and performs operation when upper operation is appointed
Business.The specific diagnostic method of diagnostic module 10, and the particular content of operation list are detailed in the elaboration to Fig. 2 and 3 above
Thin description, is not repeated herein.From fig. 6 it can be seen that when performing 2-5 primary Ioops control operation lists, if now auxiliary
Power up is helped, operation module 30 can diagnose the power failure state of power supply again and obtain newest dead electricity pattern, so as to right
Re-direct No. 1 operation with answering single.When performing No. 5 primary Ioops control operation lists, if now emergency diesel dynamo is extensive
Multiple power supply, then can then re-direct one in No. 2-4 operation list.Certainly, all restore electricity when being diagnosed to be all power supplys,
The equipment of required operation has been turned on, and when set state is stable or unit falls back on depressurization phase, then exits operation list, stops performing
Operate the operation task on list.
Preferably, in specific implementation process, diagnostic module 10 and oriented module 20 can realize full-automatic diagnosis and be oriented to
Function.And operation module 30 can be performed on operation list according to being actually needed in a manner of semi-automatic plus nuclear power station laboratory technician is manual
All operationss task.Because due to the particularity of nuclear power station, startup, closing or the regulation of many equipment necessarily require operator to go
It is manually operated.
By implementing the Primary hydraulic test dead electricity control method and system of above-described embodiment, to perform primary Ioops operation
Task on list be it is leading, by primary Ioops control operation and electrical control operation be engaged, complete dead electricity control operation, limitation and
Alleviate the adverse consequences after dead electricity.Pass through these stable operation units, it is expected to carry out power up rapidly, continue hydraulic pressure examination
Test, avoid the occurrence of big transient state.When power returns, it can control and start relevant device, avoid the unordered startup of equipment, made to unit
Cheng Xin transient state.Particularly in the case of power supply link Reliability comparotive weakness, water pressure test dead electricity control provided by the invention
Method and system processed, the risk of experiment process is reduced, enhance the successful confidence of the water pressure test, reduce Nuclear power project
Progress is influenceed by power construction delay, while the safety of guarantee test and equipment.
Foregoing description is related to various modules.The combination that these modules generally include hardware and/or hardware and software is (such as solid
Change software).These modules can also include the computer-readable medium comprising instruction (for example, software instruction) (for example, permanent
Medium), when these instructions of computing device, it is possible to perform the various functions feature of the present invention.Correspondingly, unless clearly
It is required that the specific hardware and/or software feature in the module that the scope of the present invention does not specifically mention in by embodiment are limited.Make
For non-limitative example, the present invention can be by one or more processors (such as microprocessor, data signal in embodiment
Reason device, BBP, microcontroller) execution software instruction (such as it is stored in volatile memory and/or permanent storage
Device).In addition, the present invention can also use application specific integrated circuit (ASIC) and/or other hardware elements to perform.It is pointed out that
Above in the description to various modules, these modules are divided into, are for clarity.However, in actually implementing, various moulds
The boundary of block can be fuzzy.For example, any or all functional module herein can share various hardware and/or soft
Part element.In another example any and/or all functional module herein can be by shared computing device software instruction Lai complete
Portion or part are implemented.In addition, the various software submodules performed by one or more processors can be between various software modules
It is shared.Correspondingly, unless explicitly requested, the scope of the present invention not mandatory boundary between by various hardware and/or software element
Limitation.
The above disclosed power for being only a kind of preferred embodiment of the present invention, the present invention can not being limited with this certainly
Sharp scope, one of ordinary skill in the art will appreciate that realizing all or part of flow of above-described embodiment, and weighed according to the present invention
Profit requires made equivalent variations, still falls within and invents covered scope.
Claims (12)
1. a kind of nuclear power plant's Primary hydraulic test dead electricity control method, it is characterised in that comprise the following steps：
S0, operated according to corresponding to the dead electricity pattern of power supply is default single；
S1, the power supply state of real-time diagnosis Primary hydraulic test power supply simultaneously obtain current dead electricity pattern, each mistake
Power mode corresponds to a kind of automatic switchover state of accessory power supply and/or emergency power supply, and each dead electricity pattern is respectively provided with correspondingly
Operation list；
S2, operated according to corresponding to being oriented to the accessory power supply and/or emergency power supply switching state single；
S3, according to current operation list, the equipment to Primary hydraulic test and power supply perform corresponding operation respectively.
2. nuclear power plant's Primary hydraulic test dead electricity control method according to claim 1, it is characterised in that in the step
In rapid S1, the confession of power supply is diagnosed by detecting voltage on the distribution board being connected with power supply and power supply alarming signal
Electricity condition.
3. nuclear power plant's Primary hydraulic test dead electricity control method according to claim 1, it is characterised in that in the step
Also include before rapid S1：
S01, all dead electricity patterns are preset according to the value volume and range of product of power supply；
The power supply is formed from the two-way external power being made up of main power source, accessory power supply and by two row emergency diesel dynamos
Two-way interior power in select at least two-way power supply, external power all the way is comprised at least in selected at least two-way power supply；It is described
The quantity of all dead electricity patterns is at least 2.
4. nuclear power plant's Primary hydraulic test dead electricity control method according to claim 3, it is characterised in that the operation
It is single to include being used to control the primary Ioops control operation list of Primary hydraulic test equipment and for controlling Primary hydraulic test to supply
The electrical control operation of power supply is single；It is each to preset a primary Ioops corresponding to each dead electricity pattern among the step S0
Control operation list and an electrical control operation are single.
5. nuclear power plant's Primary hydraulic test dead electricity control method according to claim 1, it is characterised in that in the step
In rapid S3, the operation includes diagnosing the power supply state of power supply again and regains dead electricity pattern, return to step S2.
6. nuclear power plant's Primary hydraulic test dead electricity control method according to claim 1, it is characterised in that each described
Include following co-operation task on operation list：
Detect hydraulic testpump running status, and the running status restored it into before dead electricity；
Detect put into operation on fill pump, the power supply state of component cooling pump/essential service water pump, if operation on fill and pump and set
Standby cooling water pump/essential service water pump dead electricity, then start the power supply of another way power supply on fill pump and component cooling pump/important factory
With water pump, then first recovery power supply is restarted in the case of all power loses；
Filled in recovery, under let out and injected with main pump axle envelope to stablize primary Ioops pressure；
Recover power supply.
A kind of 7. nuclear power plant's Primary hydraulic test dead electricity control system, it is characterised in that including：
Diagnostic module, for real-time diagnosis Primary hydraulic test power supply power supply state and obtain current dead electricity pattern,
Each dead electricity pattern corresponds to a kind of automatic switchover state of accessory power supply and/or emergency power supply；
Oriented module, it is single for being operated according to corresponding to the accessory power supply and/or emergency power supply switching state guiding；
Operation module, for the equipment to Primary hydraulic test and power supply to perform accordingly respectively according to current operation list
Operation；
The dead electricity control system is single always according to the default corresponding operation of dead electricity pattern of power supply；
Each dead electricity pattern operates list corresponding to being respectively provided with.
8. nuclear power plant's Primary hydraulic test dead electricity control system according to claim 7, it is characterised in that the diagnosis
Module diagnoses the power supply of power supply by detecting voltage on the distribution board that is connected with power supply and power supply alarming signal
State.
9. nuclear power plant's Primary hydraulic test dead electricity control system according to claim 7, it is characterised in that the power supply
Power supply is from the two-way external power being made up of main power source, accessory power supply and the two-way interior power being made up of two row emergency diesel dynamos
It is middle to select at least two-way power supply, comprise at least external power all the way in selected at least two-way power supply；Kind based on power supply
Class and quantity, preset all dead electricity patterns in the dead electricity control system, and the quantity of all dead electricity patterns is at least 2.
10. nuclear power plant's Primary hydraulic test dead electricity control system according to claim 9, it is characterised in that the behaviour
Make single primary Ioops control operation list included for controlling the equipment of Primary hydraulic test and for controlling primary Ioops hydraulic pressure to try
The electrical control operation for the power supply tested is single；It is each default in the dead electricity control system corresponding to each dead electricity pattern
One primary Ioops control operation list and an electrical control operation are single.
11. nuclear power plant's Primary hydraulic test dead electricity control system according to claim 7, it is characterised in that the behaviour
Make to include to diagnose the power supply state of power supply again and regain dead electricity pattern；The operation module is additionally operable to obtain again
Dead electricity Mode Feedback to the oriented module.
12. nuclear power plant's Primary hydraulic test dead electricity control system according to claim 7, it is characterised in that Mei Yisuo
State includes following co-operation task on operation list：
Detect hydraulic testpump running status, and the running status restored it into before dead electricity；
Detect put into operation on fill pump, the power supply state of component cooling pump/essential service water pump, if operation on fill and pump and set
Standby cooling water pump/essential service water pump dead electricity, then start the power supply of another way power supply on fill pump and component cooling pump/important factory
With water pump, then first recovery power supply is restarted in the case of all power loses；
Filled in recovery, under let out and injected with main pump axle envelope to stablize primary Ioops pressure；
Recover power supply.
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| CN106969910A (en) * | 2017-04-22 | 2017-07-21 | 深圳市景方盈科技有限公司 | Supply unit method of testing |
| CN109004738B (en) * | 2018-07-04 | 2021-06-04 | 中广核研究院有限公司 | Nuclear power ship primary circuit emergency power supply system and method |
| CN109254250B (en) * | 2018-09-29 | 2021-04-13 | 中广核工程有限公司 | Factory power supply switching experimental method in cold state function test stage of nuclear power station primary loop |
| CN109494869A (en) * | 2018-11-29 | 2019-03-19 | 中广核研究院有限公司 | A kind of atomic-powered ship electric system |
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