CN108899894A - Power supply power supply mode selection method and device based on nuclear power shipping row performance analysis - Google Patents
Power supply power supply mode selection method and device based on nuclear power shipping row performance analysis Download PDFInfo
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- CN108899894A CN108899894A CN201810645433.0A CN201810645433A CN108899894A CN 108899894 A CN108899894 A CN 108899894A CN 201810645433 A CN201810645433 A CN 201810645433A CN 108899894 A CN108899894 A CN 108899894A
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- power
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/18—Use of propulsion power plant or units on vessels the vessels being powered by nuclear energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
Abstract
The present invention discloses a kind of power supply power supply mode selection method and device based on nuclear power shipping row performance analysis, and described method includes following steps:S10 determines that the condition under vessel motion operating condition and the vessel motion operating condition limits;S20 determines reactor operation mode according to the vessel motion operating condition;S30 determines currently available power supply and capacity, load type and power according to the vessel motion operating condition and reactor operation mode;S40 is according to nuclear power station power supply depth defense principle and part throttle characteristics selection power supply type and quantity n;S50 carries out capacity and the verifying of minimum load rate;If being verified, it is determined that the power-supply system method of operation of above step selection confirmation is final result;If verifying does not pass through, adjusted according to preset strategy, and be back to step S30 and reselect.Described device is for implementing the method.The present invention solves the problems, such as the power-supply system Operation Mode Selection under nuclear power shipping row performance analysis and various ship stack operation operating conditions, meets the requirement such as its Supply Security, reliability, stability.
Description
Technical field
The present invention relates to the technical field of electricity in the design of nuclear power ship, and in particular to one kind is based on nuclear power ship operating condition point
The power supply power supply mode selection method and device of analysis.
Background technique
Ship heap performance analysis refers to that the vessel motion operating condition for nuclear power ship carries out intersecting operating condition with reactor operation mode
Combing analysis, wherein vessel motion operating condition include pull in shore operating condition, entering and leaving port operating condition, to play shutdown condition, running working condition, power fixed
Position operating condition and operating condition of externally transmitting electricity, reactor operation mode include from reactor complete unloading mode(RCD)To reactor function
Rate operational mode(RP)All operational modes.The nuclear power ship power-supply system method of operation and depth sequence refer to nuclear power ship power supply system
The power supply power supply side that depth defense successively uses is considered under the power supply power supply mode and fault condition used under normal circumstances of uniting
Formula.
Since nuclear power ship power supply system faces the dual variation of ship operating condition Yu reactor operation mode simultaneously, work is run
Condition is complicated, and different from common ship, and power supply wide variety is equipped with Defense in depth system again, therefore carries out nuclear power shipping
Row performance analysis, and determine the power-supply system method of operation and depth sequence selection being adapted under the various ship heap operating conditions of nuclear power ship
It is a sufficiently complex and stubborn problem, a variety of condition limitations such as ship, reactor, load, weather need to be comprehensively considered.And
The electric system of existing common ship and method of supplying power to are as shown in Figure 1 comprising voltage regulator 1, ships set generator 2,
Ships carries power consumption device 3, battery 4, starts switch 5, starting motor 6, due to its do not comprehensively consider ship, reactor, load,
A variety of condition limitations such as fault condition, weather, therefore the selection of its power supply power supply mode that can not be suitable for nuclear power ship.
To sum up, the prior art there has been no correlation technique or device can reliably and effectively solve how nuclear power ship power supply system
The problem of.
Summary of the invention
The problem to be solved in the present invention is, provides a kind of power supply power supply mode based on nuclear power shipping row performance analysis and selects
Selection method and device, to solve the choosing of the power-supply system method of operation under nuclear power shipping row performance analysis and various ship stack operation operating conditions
Problem is selected, realizes flexible, the reasonable disposition of multiple power sources, meets nuclear power ship Supply Security, reliability, stability, economy
It is required that.
For this purpose, first aspect present invention provides a kind of power supply power supply mode selection method based on nuclear power shipping row performance analysis,
Described method includes following steps:
S10 determines that the condition under vessel motion operating condition and the vessel motion operating condition limits;
S20 determines reactor operation mode according to the vessel motion operating condition;
S30 according to the vessel motion operating condition and reactor operation mode determine currently available power supply and capacity, load type and
Power;
S40 is according to nuclear power station power supply depth defense principle and part throttle characteristics selection power supply type and quantity n;
S50 carries out capacity and the verifying of minimum load rate;If being verified, it is determined that the power-supply system fortune of above step selection confirmation
Line mode is final result;If verifying does not pass through, adjusted according to preset strategy, and be back to step S30 and reselect.
In some embodiments, the step S50 includes following sub-step:
S501 carries out capacity verifying, judges whether selected power supply capacity is more than or equal to load capacity;It is entered step if meeting
S502;If not satisfied, then judge whether selected number of power sources reaches such upper limit, it not up to then can be by increasing such power supply number
It measures to meet workload demand, i.e. return step S40 increases n value;If having reached maximum quantity, power supply capacity design or economization are adjusted
Unnecessary load operation, and be back to step S30 and reselect;
S502 carries out the verifying of minimum load rate, judges whether rate of load condensate is more than or equal to 15%;Currently determining electricity is identified if meeting
Source system operation mode is normal operating mode or failure operation mode;If not satisfied, whether then judging such number of power sources
Greater than 1;It can be back to step S40 if more than 1, by reducing similar number of power sources raising rate of load condensate and verifying again;If being
Minimum number 1 then considers to design by adjusting power supply capacity to realize, and is back to step S30 and reselects.
In some embodiments, the currently determining power-supply system method of operation of the identification is normal operating mode or failure
The method of operation includes the following steps:
S60 identifies normal or fault condition, judges whether number of stoppages t is equal to 0;If t=0 indicates to carry out power supply under normal circumstances
System operation mode selection is then final result by the power-supply system method of operation of above step S10-S60 selection confirmation;
If t ≠ 0, it is shown to be fault condition power-supply system Operation Mode Selection under the vessel motion operating condition, and confirmatory reaction heap is pacified
Full property and power supply system transient stability.
In some embodiments, the fault condition power-supply system Operation Mode Selection further includes following steps:
S70 judges whether to break down based on the power-supply system method of operation for selecting confirmation in step S60;If so, enabling
T=t+1, and carry out fault type judgement;If not then maintaining power-supply system method of operation operation under normal circumstances.
In some embodiments, the fault type judgement specifically comprises the following steps:
S80 judges fault type;If internal system failure, then pass through protection, power management system(PMS)Control carries out failure
Excision and network reconfiguration return step S30 and reselect at this time along sequential steps;If exterior environmental catastrophe, then root
According to exterior environment, to reactor operation mode, this is adjusted, and is finally returned to step S20 and is reselected along sequential steps.
In some embodiments, the confirmatory reaction heap safety and power supply system transient stability specifically include following step
Suddenly:
Can power supply mode ensure the safety and system of instant of failure reactor under the fault condition of S90 verifying initial option
Transient stability;If meeting the requirements, chosen manner is the power-supply system method of operation under this kind of fault condition of nuclear power ship;If
It is unsatisfactory for, then increases number of power sources at the same level or starts next level power supply, increase power supply capacity by meeting reactor safety and transient state
Stability requirement determines, finally obtains the electrical operation mode under the fault condition.
In some embodiments, the electrical operation mode under the fault condition further includes following steps:
S100 depth sequence is formulated, and is judged whether it is and is cut machine failure;If the machine failure of cutting then by the selected power-supply system method of operation
It is sequentially arranged from less to more by machine of cutting, obtains the power supply depth defense sequence under this kind of heap ship operating condition.
In some embodiments, the step S40 specifically includes following content:
According to nuclear power station power supply depth defense principle, the preferential selection power supply forward using depth grade;If the steam turbine selected is write from memory
Recognize initial number and measure steam turbine maximum quantity, load is undertaken by each steam turbine equalization;If selecting other power supplys other than steam turbine, default is just
Beginning quantity takes the minimum number 1 of other power supplys;And the characteristic of each power available is combined to adjust power supply selection.
Second aspect of the present invention embodiment provide it is a kind of for implement nuclear power shipping row performance analysis described in first aspect with
The device of power supply power supply mode selection method, described device include:
First determining module, for determining that the condition under vessel motion operating condition and the vessel motion operating condition limits;
Second determining module, for determining reactor operation mode according to the vessel motion operating condition;
Third determining module, for determining currently available power supply and appearance according to the vessel motion operating condition and reactor operation mode
Amount, load type and power;
Selecting module, for according to nuclear power station power supply depth defense principle and part throttle characteristics selection power supply type and quantity n;
Authentication module, for carrying out capacity and the verifying of minimum load rate.
In some embodiments, described device further includes fault identification module, fault identification module core for identification
The fault condition of electric shipping row.
By above technical scheme, implements present invention method and its device has the advantages that:
(1)The embodiment of the present invention considers the various operational modes of reactor and its safety problem, can satisfy nuclear power ship to reaction
Safe operation requirement under each operating condition of heap;
(2)The embodiment of the present invention considers the various operating conditions of ship heap, realizes the whole process of the nuclear power ship power-supply system method of operation
Coveringization selection, the various operating conditions suitable for nuclear power ship;
(3)The embodiment of the present invention further relates under fault condition in addition to the Operation Mode Selection of power-supply system under normal circumstances
Power operating mode selection, in the case of various internal faults and external disturbance may be implemented, safe and reliable stablize of nuclear power ship is supplied
Electricity;
(4)The embodiment of the present invention considers the variation of load type, power and characteristic under different operating conditions, pointedly configuration electricity
The economical rationality configuration of power supply is realized in source;
(5)The embodiment of the present invention gradually cuts machine simulation by a series of, and the depth defense sequence under various operating conditions also can be obtained
Column.It plays an important role to reactor safety guarantee.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is common ship power supply power supply mode structure chart described in background technique.
Fig. 2 selects for the power supply power supply mode based on nuclear power shipping row performance analysis a kind of in first aspect present invention embodiment
Selection method flow chart.
Fig. 3 is selection device structural schematic diagram in second aspect of the present invention embodiment.
Appended drawing reference:First determining module 10, the second determining module 20, third determining module 30, selecting module 40, verifying
Module 50, fault identification module 60.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as specific device structure, technology etc is proposed
Body details understands the embodiment of the present invention to cut thoroughly.However, it will be clear to one skilled in the art that there is no these specific
The present invention also may be implemented in the other embodiments of details.In other situations, omit to well-known device, circuit and
The detailed description of method, in case unnecessary details interferes description of the invention.
Mix since nuclear power ship power supply system faces power supply pattern(The electricity such as steam turbine, diesel engine, super capacitor may be contained
Source), operating condition intersect(Not only it needs to consider reactor operation mode, but also need to consider vessel motion operating condition), fault type it is changeable
Situations such as, the selection of the power-supply system method of operation and after breaking down the determination of depth sequence be very intractable but necessary
It solves the problems, such as.
In order to illustrate technical solutions according to the invention, it is illustrated below by specific embodiment combination attached drawing.
To solve the above-mentioned problems, it is provided such as Fig. 2 for first aspect present invention embodiment a kind of based on nuclear power shipping row work
The power supply power supply mode selection method of condition analysis, t representing fault number in Fig. 2, n represent power supply quantity;Specifically, described
Method includes the following steps:
S10 determines that the condition under vessel motion operating condition and the vessel motion operating condition limits;Wherein, vessel motion work described in this step
Condition is pull in shore operating condition, entering and leaving port operating condition, shutdown condition, running working condition, dynamic positioning operating condition, externally transmission of electricity operating condition etc.;It is described
Condition is limited to such as requiring can not to rise heap in port, can have autonomous dynamic in port;
S20 determines reactor operation mode according to the vessel motion operating condition;According to the determination of vessel motion operating condition in this step
May determine that reactor at this time may locating for operational mode, that is, determine be in reactor complete unloading mode(RCD)To reaction
Heap power mode of operation(RP)Between all operational modes in any or any several modes;
According to the vessel motion operating condition and its lower Selecting research reactor operation mode determines currently available power supply and appearance to S30
Amount, load type and power;Currently available power supply and capacity, load type and power are by vessel motion operating condition and reactor operation
Mode codetermines, reactor operation mode determine current steam turbine whether can be used and the mode under primary Ioops, secondary circuit
Existing load and power;Whether vessel motion operating condition and its condition limit decision allow at this time using reactor steam supply steamer
Machine, and could there is autonomous dynamic and propulsion device to need lowsteaming or high speed operation etc.;Wherein autonomous dynamic refers to
It independently moves ahead for electric propulsion;
S40 selects power supply type and quantity n according to nuclear power station power supply depth defense principle;
S50 carries out capacity and the verifying of minimum load rate;
If this step is verified, it is determined that the power-supply system method of operation of above step selection confirmation is final result;
If the verifying of this step does not pass through, adjusted according to preset strategy, and be back to step S30 and reselect.
Specifically, the step S50 of the present embodiment method includes following sub-step:
S501 carries out capacity verifying, judges whether selected power supply capacity is more than or equal to load capacity;It is entered step if meeting
S502;If not satisfied, then judge whether selected number of power sources reaches such upper limit, it not up to then can be by increasing such power supply number
It measures to meet workload demand, i.e. return step S40 increases n value;If having reached maximum quantity, power supply capacity design or economization are adjusted
Unnecessary load operation, and be back to step S30 and reselect;
It should be noted that do not consider to reinstate next level power supply in step S501, be because current working and in the case of it is available
Highest priority power supply should meet the workload demand of the operating condition and situation on Functional Design, not consider through depth defense solution
Certainly problem.
S502 carries out the verifying of minimum load rate, judges whether rate of load condensate is more than or equal to 15%;Wherein, it should be noted that root
Minimum load rate according to generating set stable operation is the 15% of rated capacity, it is not recommended that power supply longtime running and specified appearance
Therefore amount 15% hereinafter, carry out rate of load condensate verifying accordingly;
If satisfied, then identifying that the currently determining power-supply system method of operation is normal operating mode or failure operation mode;
If not satisfied, then judging whether such number of power sources is greater than 1;It can be back to step S40 if more than 1, it is similar by reducing
Number of power sources improves rate of load condensate and verifies again;If being minimum number 1, considers to design by adjusting power supply capacity and realize,
And it is back to step S30 and reselects.
Specifically, identifying that the currently determining power-supply system method of operation is normal fortune described in the present embodiment method and step
Line mode or failure operation mode specifically comprise the following steps:
S60 identification is normal or fault condition, judge the number of stoppages whether t=0;
If t=0 indicates to carry out power-supply system Operation Mode Selection under normal circumstances, pass through above step S10-S60 selection confirmation
The power-supply system method of operation be final result;
If t ≠ 0, it is shown to be fault condition power-supply system Operation Mode Selection under the vessel motion operating condition, and confirmatory reaction
Heap safety and power supply system transient stability, i.e., the step S90 herein below.
Further, fault condition power-supply system Operation Mode Selection described in the present embodiment further includes following steps:
S70 judges whether to break down based on the power-supply system method of operation for selecting confirmation in step S60;If so, enabling
T=t+1, and carry out the judgement of fault type, i.e., the step S80 herein below;If not then maintaining power supply system under normal circumstances
The method of operation of uniting operation.
Further, the judgement of fault type described in the present embodiment specifically comprises the following steps:
S80 judges fault type;
If internal system failure, then failure removal and network reconfiguration is carried out by protection, the control of PMS system, return to step at this time
Rapid S30 is simultaneously reselected along sequential steps;Wherein, the internal system failure is to cut the failures feelings such as machine, short circuit, sudden load change
Condition;The PMS system is power management system(Power Management System abbreviation PMS);
If exterior environmental catastrophe, then according to exterior environment, to reactor operation mode, this is adjusted, and is finally returned
It returns step S20 and is reselected along sequential steps.
Specifically, the exterior environmental catastrophe refers mainly to since the present embodiment method is applied to nuclear power ship
Be sea situation mutation, such as externally transmission of electricity operating condition, dash forward in running working condition and meet severe typhoon climate, then according to sea situation grade to reaction
This is adjusted stack operation mode, for example reactor capability can externally be minimized in the case of transmission of electricity the progress of 20% rated power
Evade, 9 grades of following reactors of sea situation are met in running working condition and still keep reactor capability operational mode(RP)Operation, 9 grades of sea situations with
Upper consideration manual scram finally returns to step S20 and reselects along sequential steps;
Specifically, the safety of confirmatory reaction heap and power supply system transient stability described in the present embodiment specifically include following step
Suddenly:
When step S60 is judged as power-supply system Operation Mode Selection under fault condition, it is transferred to and executes step S90;
Wherein, S90 includes:
Verify initial option fault condition under power supply mode can ensure instant of failure reactor safety and system it is temporary
State stability;Specifically, i.e. the failure generation safety-related load of moment primary Ioops will guarantee to power in time, do not influence anti-
Heap is answered to be safely operated, and power supply system also should ensure that instant of failure transient stability;
If meeting the requirements, chosen manner is the power-supply system method of operation under this kind of fault condition of nuclear power ship;
If being unsatisfactory for requiring, increases number of power sources at the same level or start next level power supply, increase power supply capacity by meeting reactor
Safety and transient stability require decision, finally obtain the electrical operation mode under the fault condition.
In some embodiments, the electrical operation mode under the fault condition further includes following steps:
S100 depth sequence is formulated, and is judged whether it is and is cut machine failure;If the machine failure of cutting then by the selected power-supply system method of operation
By fault severity level by gently arranging to weight sequence, the power supply depth defense sequence under this kind of heap ship operating condition is obtained.Wherein,
The fault severity level specifically determines that cutting machine from less to more indicates fault severity level from light to heavy by cutting machine quantity.
It should be noted that depth defense is defined as:It is protected in the design, construction, operational process of nuclear power station using multilayer
Multilayered barrier is arranged in shield in radioactive fission product and environment acquired by the personal, public, and carries out to radioactive substance multistage
Defensive measure.
In some embodiments, the step S40 specifically includes following content:
According to nuclear power station power supply depth defense principle, the preferential selection power supply forward using depth grade;If the steam turbine selected is write from memory
Recognize initial number and measure steam turbine maximum quantity, load is undertaken by each steam turbine equalization;If selecting other power supplys other than steam turbine, default is just
Beginning quantity takes the minimum number 1 of other power supplys;And the characteristic of each power available is combined to adjust power supply selection.It is specific and
It says, in the present embodiment, after determining power available and its capacity, according to nuclear power station power supply depth defense principle, preferential selection is adopted
Consider that thermal control process is convenient and power supply system stability, default are initial if the steam turbine selected with the forward power supply of depth grade
Quantity takes steam turbine maximum quantity, and load is undertaken by each steam turbine equalization;Wherein, for thermal control process, average steam supply can be in order to same
Deng control;If selecting other power supplys other than steam turbine, such as auxiliary diesel, Emergency diesel oil consumption class power supply, consider economical
Property and bunkering it is inconvenient, default initial number measures the minimum number 1 of other power supplys.Load variations at this time need to be considered simultaneously
Characteristic need to adjust power supply selection in conjunction with the characteristic of each power available, such as if load fluctuation under dynamic positioning operating condition is larger
Whether need to increase diesel engine to make adjustments or press down equality using super capacitor;It should be noted that power supply described in the present embodiment
Characteristic refers to that reactor regulating power is poor, and diesel engine governing response is fast, and super capacitor has the flat effect of power suppression.
Be illustrated in figure 3 second aspect of the present invention embodiment provide it is a kind of for realizing base described in first aspect embodiment
In the selection device of the selection method of the power supply power supply mode of nuclear power ship operating condition, the selection device includes:
First determining module 10, for determining that the condition under vessel motion operating condition and the vessel motion operating condition limits;
Second determining module 20, for determining reactor operation mode according to the vessel motion operating condition;
Third determining module 30, for according to the vessel motion operating condition and reactor operation mode determine currently available power supply and
Capacity, load type and power;
Selecting module 40, for according to nuclear power station power supply depth defense principle and part throttle characteristics selection power supply type and quantity
n;
Authentication module 50, for carrying out capacity and the verifying of minimum load rate.Authentication module is also used to confirmatory reaction in the present embodiment
Heap safety and power supply system transient stability.
In some embodiments, the selection device further includes fault identification module 60, and the fault identification module 60 is used
In the fault condition of identification nuclear power shipping row.In the present embodiment, the fault identification module 60 is specifically used for identifying normal or event
The internal systems failure such as hinder situation, i.e., whether break down and the type of failure, such as cut machine, short circuit, sudden load change still
The external faults such as sea situation mutation;
For device embodiment, since it corresponds to above method embodiment, so related place is referring to embodiment of the method
Part explanation.
By above technical scheme, implements present invention method and its device has the advantages that:
(1)The embodiment of the present invention considers the various operational modes of reactor and its safety problem, can satisfy nuclear power ship to reaction
Safe operation requirement under each operating condition of heap;
(2)The embodiment of the present invention considers the various operating conditions of ship heap, realizes the whole process of the nuclear power ship power-supply system method of operation
Coveringization selection, the various operating conditions suitable for nuclear power ship;
(3)The embodiment of the present invention further relates under fault condition in addition to the Operation Mode Selection of power-supply system under normal circumstances
Power operating mode selection, in the case of various internal faults and external disturbance may be implemented, safe and reliable stablize of nuclear power ship is supplied
Electricity;
(4)The embodiment of the present invention considers the variation of load type, power and characteristic under different operating conditions, pointedly configuration electricity
The economical rationality configuration of power supply is realized in source;
(5)The embodiment of the present invention gradually cuts machine simulation by a series of, and the depth defense sequence under various operating conditions also can be obtained
Column, play an important role to reactor safety guarantee.
Each embodiment is described in a progressive manner in the present invention, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein sequence shown or discussed can not be pressed,
Including according to related function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be by of the invention
Embodiment person of ordinary skill in the field is understood.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of power supply power supply mode selection method based on nuclear power shipping row performance analysis, which is characterized in that the method packet
Include following steps:
S10 determines that the condition under vessel motion operating condition and the vessel motion operating condition limits;
S20 determines reactor operation mode according to the vessel motion operating condition;
S30 according to the vessel motion operating condition and reactor operation mode determine currently available power supply and capacity, load type and
Power;
S40 is according to nuclear power station power supply depth defense principle and part throttle characteristics selection power supply type and quantity n;
S50 carries out capacity and the verifying of minimum load rate;If being verified, it is determined that the power-supply system fortune of above step selection confirmation
Line mode is final result;If verifying does not pass through, adjusted according to preset strategy, and be back to step S30 and reselect.
2. the power supply power supply mode selection method as described in claim 1 based on nuclear power shipping row performance analysis, feature exist
In the step S50 includes following sub-step:
S501 carries out capacity verifying, judges whether selected power supply capacity is more than or equal to load capacity;It is entered step if meeting
S502;If not satisfied, then judge whether selected number of power sources reaches such upper limit, it not up to then can be by increasing such power supply number
It measures to meet workload demand, i.e. return step S40 increases n value;If having reached maximum quantity, power supply capacity design or economization are adjusted
Unnecessary load operation, and be back to step S30 and reselect;
S502 carries out the verifying of minimum load rate, judges whether rate of load condensate is more than or equal to 15%;Currently determining electricity is identified if meeting
Source system operation mode is normal operating mode or failure operation mode if not satisfied, then judging whether such number of power sources is greater than
1;It can be back to step S40 if more than 1, by reducing similar number of power sources raising rate of load condensate and verifying again;If being minimum
Quantity 1 then considers to design by adjusting power supply capacity to realize, and is back to step S30 and reselects.
3. the power supply power supply mode selection method as claimed in claim 2 based on nuclear power shipping row performance analysis, feature exist
In the currently determining power-supply system method of operation of the identification is normal operating mode or failure operation mode includes following step
Suddenly:
S60 identifies normal or fault condition, judges whether number of stoppages t is equal to 0;If t=0 indicates to carry out power supply under normal circumstances
System operation mode selection is then final result by the power-supply system method of operation of above step S10-S60 selection confirmation;
If t ≠ 0, it is shown to be fault condition power-supply system Operation Mode Selection under the ship stack operation operating condition, and confirmatory reaction heap is pacified
Full property and power supply system transient stability.
4. the power supply power supply mode selection method as claimed in claim 3 based on nuclear power shipping row performance analysis, feature exist
In the fault condition power-supply system Operation Mode Selection further includes following steps:
S70 judges whether to break down based on the power-supply system method of operation for selecting confirmation in step S60;If so, enabling
T=t+1, and carry out fault type judgement;If not then maintaining power-supply system method of operation operation under normal circumstances.
5. the power supply power supply mode selection method as claimed in claim 4 based on nuclear power shipping row performance analysis, feature exist
In the fault type judgement specifically comprises the following steps:
S80 judges fault type;If internal system failure, then failure removal is carried out by protection, power management system control
And network reconfiguration, it return step S30 and is reselected at this time along sequential steps;If exterior environmental catastrophe, then according to being
To reactor operation mode, this is adjusted external environment of uniting, and finally returns to step S20 and reselects along sequential steps.
6. the power supply power supply mode selection method as claimed in claim 3 based on nuclear power shipping row performance analysis, feature exist
In the confirmatory reaction heap safety and power supply system transient stability specifically comprise the following steps:
Can power supply mode ensure the safety and system of instant of failure reactor under the fault condition of S90 verifying initial option
Transient stability;If meeting the requirements, chosen manner is the power-supply system method of operation under this kind of fault condition of nuclear power ship;If
It is unsatisfactory for, then increases number of power sources at the same level or starts next level power supply, increase power supply capacity by meeting reactor safety and transient state
Stability requirement determines, finally obtains the electrical operation mode under the fault condition.
7. the power supply power supply mode selection method as claimed in claim 6 based on nuclear power shipping row performance analysis, feature exist
In the electrical operation mode obtained under the fault condition further includes following steps:
S100 depth sequence is formulated, and is judged whether it is and is cut machine failure;If the machine failure of cutting then by the selected power-supply system method of operation
It is sequentially arranged from less to more by machine of cutting, obtains the power supply depth defense sequence under this kind of heap ship operating condition.
8. the power supply power supply mode selection method as described in claim 1 based on nuclear power shipping row performance analysis, feature exist
In the step S40 specifically includes following content:
According to nuclear power station power supply depth defense principle, the preferential selection power supply forward using depth grade;If the steam turbine selected is write from memory
Recognize initial number and measure steam turbine maximum quantity, load is undertaken by each steam turbine equalization;If selecting other power supplys other than steam turbine, default is just
Beginning quantity takes the minimum number 1 of other power supplys;And the characteristic of each power available is combined to adjust power supply selection.
9. a kind of power supply power supply mode for realizing based on nuclear power shipping row performance analysis described in claim any one of 1-8 is selected
The device of selection method, which is characterized in that described device includes:
First determining module, for determining that the condition under vessel motion operating condition and the vessel motion operating condition limits;
Second determining module, for determining reactor operation mode according to the vessel motion operating condition;
Third determining module, for determining currently available power supply and appearance according to the vessel motion operating condition and reactor operation mode
Amount, load type and power;
Selecting module, for according to nuclear power station power supply depth defense principle and part throttle characteristics selection power supply type and quantity n;
Authentication module, for carrying out capacity and the verifying of minimum load rate.
10. device as claimed in claim 9, which is characterized in that described device further includes fault identification module, and the failure is known
The fault condition of other module nuclear power shipping row for identification.
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