CN108683252A - Nuclear power plant's power supply system - Google Patents
Nuclear power plant's power supply system Download PDFInfo
- Publication number
- CN108683252A CN108683252A CN201810560631.7A CN201810560631A CN108683252A CN 108683252 A CN108683252 A CN 108683252A CN 201810560631 A CN201810560631 A CN 201810560631A CN 108683252 A CN108683252 A CN 108683252A
- Authority
- CN
- China
- Prior art keywords
- switch
- power supply
- load
- electroplax
- distribution
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H02J11/00—Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed or converted
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D1/00—Details of nuclear power plant
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
Abstract
The invention discloses a kind of nuclear power plant's power supply systems, including the first power supply, second source, third power supply, the first distribution electroplax, the second distribution electroplax and third to distribute electroplax；When the first power supply, second source and third power supply are run, the first power supply, second source and third power supply are able to distribute electroplax by the first distribution electroplax, the second distribution electroplax and third to be the first load, the second load and third load supplying；When second source is out of service, the first power supply can be the second load supplying by the first distribution electroplax and the second distribution electroplax；When third power supply is out of service, it is third load supplying that the first power supply can distribute electroplax by the first distribution electroplax and third；When the first power supply is out of service, second source can be the first load supplying by the second distribution electroplax and the first distribution electroplax or third power supply can be the first load supplying by third distribution electroplax and the first distribution electroplax.
Description
Technical field
The invention belongs to nuclear power station technical fields, it is more particularly related to a kind of nuclear power plant's power supply system.
Background technology
Nuclear power station includes six operational modes：Reactor capability operational mode, steam generator cooling normal shutdown pattern,
Safety Injection Residual heat removal cooling normal shutdown pattern, the cold shutdown pattern of repair, cold shutdown pattern of reloading and reactor unload completely
Material pattern.
Under reactor capability operational mode, the fever of nuclear power station reactor core is converted into electric energy by steam turbine generator, then by electricity
Gas distribution board provides power supply for used in nuclear power station electric equipment.Under other shutdown patterns or complete unloading pattern, steam turbine generator
It shuts down, nuclear power station stops providing electric energy, and nuclear power station needs to carry out the maintenance and maintenance work to electric power station system equipment, to ensure core
Power station equipment overhauls and the normal development of maintenance work, nuclear power plant need the electrical equipment to being operated during unit Shutdown to hold
It is continuous that power supply is provided.
The nuclear power station maintenance period, there are two types of existing power supply plans, respectively " overhaul again power supply box scheme " and " online to hand over
Fork interconnects power supply plan again "." overhaul again power supply box scheme " includes four parts：Normal power source distribution board, overhaul are powered again matches
Power supply box and included 12m cables are powered drawer again again for electroplax, overhaul, this scheme by cable length due to being limited, Wu Fashi
Now to the power supply of a large amount of power loads；Safety level power load and non-security grade power load cannot be distinguished；It is less economical, reliable
Property is low." online cross interconnected power supply plan again " includes four parts：Respectively include two power supply groups, unit transformers of two row power supplys
Depressor, main distributing board and distribution electroplax；This scheme electrical system is complicated, and place capacity demand is big, of high cost, and flexibility is poor.
In view of this, it is necessory to provide a kind of simple system, at low cost, flexible nuclear power plant's power supply system of powering.
Invention content
It is an object of the invention to：A kind of simple system is provided, at low cost, flexible nuclear power plant's power supply system of powering.
In order to achieve the above-mentioned object of the invention, the present invention provides a kind of nuclear power plant's power supply system, including the first power supply, the second electricity
Source, third power supply, the first distribution electroplax, the second distribution electroplax and third distribute electroplax；The first distribution electroplax and described the
One power supply, the second distribution electroplax, third distribution electroplax and the first load are connected；It is described second distribution electroplax with it is described
Second source and the second load are connected；The third distribution electroplax is connected with the third power supply and third load；When described
When one power supply, the second source and the third power supply are run, first power supply, the second source and third electricity
It is described first negative that source, which is able to distribute electroplax, the second distribution electroplax and the third to distribute electroplax by described first,
Load, second load and the third load supplying；When the second source is out of service, first power supply can lead to
It is second load supplying to cross the first distribution electroplax and the second distribution electroplax；When the third power supply is out of service
When, first power supply can distribute electroplax by described first and the third distributes electroplax as the third load supplying；
When first power supply is out of service, the second source can distribute electroplax and the first distribution electricity by described second
Disk is first load supplying or the third power supply can distribute electroplax and the first distribution electricity by the third
Disk is first load supplying.
As a kind of improvement of nuclear power plant's power supply system of the present invention, the first distribution electroplax includes first switch, second
Switch, third switch and the first distribution bus；The first end of the first switch is connected with first power supply, and described first opens
The second end of pass is connected with first distribution bus, and the first end of the second switch is connected with the second distribution electroplax,
The second end of the second switch is connected with first distribution bus, and the first end of the third switch is distributed with the third
Electroplax is connected, and the second end of the third switch is connected with first distribution bus, and first load is matched with described first
Goddess of lightning's line is connected；When first power supply is run, the first switch is closed, and the second switch and third switch are disconnected
It opens, first power supply is first load supplying by the first switch；When the second source is out of service, institute
It states first switch and the second switch is closed, the third switch disconnects, and first power supply passes through the first switch, institute
It is second load supplying to state second switch and the second distribution electroplax；It is described when the third power supply is out of service
First switch and third switch are closed, and the second switch disconnects, and first power supply passes through the first switch, described
Third switchs and third distribution electroplax is the third load supplying.
As a kind of improvement of nuclear power plant's power supply system of the present invention, the second distribution electroplax includes the 4th switch, the 5th
Switch and the second distribution bus；The first end of 4th switch is connected with the second source, and the second of the 4th switch
End is connected with second distribution bus, and the first end of the 5th switch is connected with the first end of the second switch, described
The second end of 5th switch is connected with second distribution bus, and second load is connected with second distribution bus；When
When the second source operation, the 4th switch is closed, and the 5th switch disconnects, and the second source passes through the described 4th
Switch is second load supplying；When the second source is out of service, the first switch, the second switch and institute
It states the 5th switch to be closed, the third switch and the 4th switch disconnect, and first power supply passes through the first switch, institute
It is second load supplying to state second switch and the 5th switch.
As a kind of improvement of nuclear power plant's power supply system of the present invention, the third distribution electroplax includes the 6th switch, the 7th
Switch and third distribution bus；The first end of 6th switch is connected with the third power supply, and the second of the 6th switch
End is connected with the third distribution bus, and the first end of the 7th switch is connected with the first end that the third switchs, described
The second end of 7th switch is connected with the third distribution bus, and the third load is connected with the third distribution bus；When
When the third power supply operation, the 6th switch is closed, and the 7th switch disconnects, and the third power supply passes through the described 6th
Switch is the third load supplying；When the third power supply is out of service, the first switch, third switch and institute
It states the 7th switch to be closed, the second switch and the 6th switch disconnect, and first power supply passes through the first switch, institute
It is the third load supplying to state third switch and the 7th switch.
As a kind of improvement of nuclear power plant's power supply system of the present invention, when first power supply is out of service, the described 4th
Switch, the 5th switch and the second switch are closed, and the first switch and third switch disconnect, second electricity
Source is switched by the described 4th, the 5th switch and the second switch are first load supplying；Or the third
Switch, the 6th switch and the 7th switch are closed, and the first switch and the second switch disconnect, the third electricity
Source is switched by the described 6th, the 7th switch and third switch are first load supplying.
As a kind of improvement of nuclear power plant's power supply system of the present invention, further include the first main distributing board, the second main distributing board and
Third main distributing board；First main distributing board is connected between first power supply and the first end of the first switch, is used
In by the first switch be first load supplying or for except it is described first load, it is described second load and the third
Load supplying other than load；Second main distributing board be connected to the second source with it is described 4th switch first end it
Between, for being switched for second load supplying or for except first load, second load and institute by the described 4th
State the load supplying other than third load；The third main distributing board is connected to the of the third power supply and the 6th switch
Between one end, for be the third load supplying by the 6th switch or being except described first load, described second negative
Load supplying other than load and third load.
Further include the first transformer, the second transformer and third as a kind of improvement of nuclear power plant's power supply system of the present invention
Transformer；First transformer is connected between first power supply and first main distributing board, for described first
Power supply is depressured；Second transformer is connected between the second source and second main distributing board, for institute
Second source is stated to be depressured；The third transformer is connected between the third power supply and the third main distributing board, is used
It is depressured in the third power supply.
Compared with the existing technology, nuclear power plant's power supply system provided by the invention, by be arranged the first power supply, second source and
Third power supply so that when the second source is out of service, first power supply can by it is described first distribute electroplax and
The second distribution electroplax is second load supplying；When the third power supply is out of service, first power supply can
Electroplax is distributed by described first and the third distributes electroplax as the third load supplying；When first power supply exits fortune
When row, it is that first load supplies that the second source can distribute electroplax and the first distribution electroplax by described second
It is that first load supplies that electricity or the third power supply can distribute electroplax and the first distribution electroplax by the third
Electricity；Ensure that when need to the equipment of first power supply, the one of connection of the second source and the third power supply into
When row repair, adjacent power supply can realize the power supply to respective load, to ensure the progress of maintenance work.The nuclear power of the present invention
Factory's power supply system simple system, at low cost, power supply is flexible.
Description of the drawings
Below in conjunction with the drawings and specific embodiments, nuclear power plant's power supply system of the present invention and its technique effect are carried out detailed
Illustrate, wherein：
Fig. 1 is the structural schematic diagram for nuclear power plant's power supply system that embodiment of the present invention provides.
Fig. 2 is the concrete structure schematic diagram for nuclear power plant's power supply system that embodiment of the present invention provides.
Specific implementation mode
It is clear in order to make the purpose of the present invention, technical solution and advantageous effects be more clear, below in conjunction with this hair
Attached drawing in bright embodiment is clearly and completely described the technical solution in embodiment of the present invention, it is clear that retouched
The embodiment stated is only some embodiments of the invention, rather than whole embodiments.Based on the reality in the present invention
Apply mode, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of nuclear power plant's power supply system 100 provided by the invention, including the first power supply 10, second source
20, third power supply 30, first distributes electroplax 40, second and distributes electroplax 50 and third distribution electroplax 60.The first distribution electroplax
40 are connected with first power supply 10, the second distribution electroplax 50, third distribution electroplax 60 and first load 201.Institute
The second distribution electroplax 50 is stated with the load of the second source 20 and second 202 to be connected.Third distribution electroplax 60 and described the
Three power supplys 30 and third load 203 are connected.When first power supply 10, the second source 20 and the third power supply 30 are run
When, first power supply 10, the second source 20 and the third power supply 30 are able to distribute electroplax by described first
40, it is described second distribution electroplax 50 and the third distribution electroplax 60 be it is described first load 201, it is described second load 202 and
203 power supply of third load.When the second source 20 is out of service, first power supply 10 can pass through described first
It is 202 power supply of the second load to distribute electroplax 40 and the second distribution electroplax 50.When the third power supply 30 is out of service
When, first power supply 10 can distribute electroplax 40 by described first and the third is distributed electroplax 60 and loaded for the third
203 power supplies.When first power supply 10 is out of service, the second source 20 can by it is described second distribute electroplax 50 and
The first distribution electroplax 40 is that 201 power supply of the first load or the third power supply 30 can be by the thirds point
Distribution board 60 and the first distribution electroplax 40 are 201 power supply of the first load.
It should be noted that nuclear power station maintenance period, first power supply 10, the second source 20 and third electricity
Source 30 is connected with utility grid respectively.During nuclear power station Power operation, i.e., described first power supply 10, the second source 20 and institute
Third power supply 30 is stated to run, first power supply 10, the second source 20 and the third power supply 30 respectively with nuclear power station
Generator be connected, it is described first load 201, it is described second load 202 and the third load 203 respectively by it is described first electricity
Source 10, the second source 20 and the third power supply 30 power supply.When need pair equipment being connect with first power supply 10 into
When row repair, first power supply 10 is out of service, while first load 201 needs to keep power supply to ensure maintenance work
Progress, the second source 20 or the third power supply 30 are described first to load 201 power supplies.When needs pair and described second
When the equipment that power supply 20 connects repairs, the second source 20 is out of service, while second load 202 needs to keep
Power supply is 202 power supply of the second load to ensure the progress of maintenance work, first power supply 10.When needing pair and described the
When the equipment of three power supplys 30 connection repairs, the third power supply 30 is out of service, while third load 203 needs to protect
Power supply is held to ensure that the progress of maintenance work, first power supply 10 are 203 power supply of third load.It the same time, can only
The equipment of the one of connection of first power supply 10, the second source 20 and the third power supply 30 is repaired.
Referring to Fig. 2, further, the first distribution electroplax 40 is opened including first switch K1, second switch K2, third
Close K3 and the first distribution bus 41.The first end of the first switch K1 is connected with first power supply 10, the first switch
The second end of K1 is connected with first distribution bus 41, and the first end of the second switch K2 distributes electroplax 50 with described second
Be connected, the second end of the second switch K2 is connected with first distribution bus 41, the first end of the third switch K3 and
Third distribution electroplax 60 is connected, and the second end of the third switch K3 is connected with first distribution bus 41, and described the
One load 201 is connected with first distribution bus 41.When first power supply 10 is run, the first switch K1 is closed,
The second switch K2 and third switch K3 is disconnected, and first power supply 10 is described first by the first switch K1
201 power supply of load.When the second source 20 is out of service, the first switch K1 and the second switch K2 are closed, institute
It states third switch K3 to disconnect, first power supply 10 passes through the first switch K1, the second switch K2 and second point described
Distribution board 50 is 202 power supply of the second load.When the third power supply 30 is out of service, the first switch K1 and described
Third switch K3 is closed, and the second switch K2 is disconnected, and first power supply 10 is opened by the first switch K1, the third
It is 203 power supply of third load to close K3 and third distribution electroplax 60.
The second distribution electroplax 50 includes the 4th switch K4, the 5th switch K5 and the second distribution bus 51.Described 4th
The first end of switch K4 is connected with the second source 20, second end and second distribution bus 51 of the 4th switch K4
It is connected, the first end of the 5th switch K5 is connected with the first end of the second switch K2, and the second of the 5th switch K5
End is connected with second distribution bus 51, and second load 202 is connected with second distribution bus 51.When described second
When power supply 20 is run, the 4th switch K4 is closed, and the 5th switch K5 is disconnected, and the second source 20 passes through the described 4th
Switch K4 is 202 power supply of the second load.When the second source 20 is out of service, the first switch K1, described
Two switch K2 and the 5th switch K5 are closed, and the third switch K3 and the 4th switch K4 are disconnected, first power supply
10 load 202 power supplies by the first switch K1, the second switch K2 and the 5th switch K5 for described second.
The third distribution electroplax 60 includes the 6th switch K6, the 7th switch K7 and third distribution bus 61.Described 6th
The first end of switch K6 is connected with the third power supply 30, second end and the third distribution bus 61 of the 6th switch K6
It is connected, the first end of the 7th switch K7 is connected with the first end of the third switch K3, and the second of the 7th switch K7
End is connected with the third distribution bus 61, and the third load 203 is connected with the third distribution bus 61.When the third
When power supply 30 is run, the 6th switch K6 is closed, and the 7th switch K7 is disconnected, and the third power supply 30 passes through the described 6th
Switch K6 is 203 power supply of third load.When the third power supply 30 is out of service, the first switch K1, described
Three switch K3 and the 7th switch K7 are closed, and the second switch K2 and the 6th switch K6 are disconnected, first power supply
10 are powered by the first switch K1, the third switch K3 and the 7th switch K7 for third load 203.
When first power supply 10 is out of service, the second switch K2, the 4th switch K4 and the described 5th are opened
Close K5 be closed, the first switch K1 and the third switch K3 disconnection, the second source 20 by the 4th switch K4,
The 5th switch K5 and second switch K2 is 201 power supply of the first load；Or the third switch K3, described
Six switch K6 and the 7th switch K7 are closed, and the first switch K1 and the second switch K2 are disconnected, the third power supply
30 load 201 power supplies by the 6th switch K6, the 7th switch K7 and the third switch K3 for described first.
Nuclear power plant's power supply system 100 further includes the first main distributing board 70, the second main distributing board 80 and third main distribution
Disk 90.First main distributing board 70 is connected between first power supply 10 and the first end of the first switch K1, is used for
It is 201 power supply of the first load by the first switch K1 or is other power loads (except described first loads 201, institute
State the load other than the second load 202 and third load 203) power supply.Second main distributing board 80 is connected to described
Between two power supplys 20 and the first end of the 4th switch K4, for being second load 202 by the 4th switch K4
Power supply is other power loads (in addition to first load 201, second load 202 and third load 203
Load) power supply.The third main distributing board 90 is connected between the third power supply 30 and the first end of the 6th switch K6,
For being 203 power supply of third load by the 6th switch K6 or being that other power loads (remove described first to load
201, second load 202 and the third load the load other than 203) power supply.
Nuclear power plant's power supply system 100 further includes the first transformer 101, the second transformer 102 and third transformer
103.First transformer 101 is connected between first power supply 10 and first main distributing board 70, for described
First power supply 10 is depressured.Second transformer 102 is connected to the second source 20 and second main distributing board 80
Between, for being depressured to the second source 20.The third transformer 103 be connected to the third power supply 30 with it is described
Between third main distributing board 90, for being depressured to the third power supply 30.
In the present embodiment, first main distributing board 70 and first transformer 101 are and first power supply
The equipment of 10 connections, when first main distributing board 70 or first transformer 101 repair, first power supply 10 exits
Operation；Second main distributing board 80 and second transformer 102 are the equipment being connect with the second source 20, when described
When second main distributing board 80 or second transformer 102 repair, the second source 20 is out of service；The third main distribution
Disk 90 and the third transformer 103 are the equipment being connect with the third power supply 30, when the third main distributing board 90 or institute
When stating the repair of third transformer 103, the third power supply 30 is out of service.
Nuclear power plant's power supply system provided by the invention, by the way that the first power supply, second source and third power supply is arranged so that when
When the second source is out of service, first power supply can pass through the first distribution electroplax and the second distribution electroplax
For second load supplying；When the third power supply is out of service, first power supply can be distributed by described first
Electroplax and third distribution electroplax are the third load supplying；When first power supply is out of service, second electricity
It is first load supplying or third electricity that source can distribute electroplax and the first distribution electroplax by described second
It is first load supplying that source can distribute electroplax and the first distribution electroplax by the third；It ensure that when needs pair
When the equipment of the one of connection of first power supply, the second source and the third power supply repairs, adjacent electricity
Source can realize the power supply to respective load, to ensure the progress of maintenance work.Nuclear power plant's power supply system system letter of the present invention
Single, at low cost, power supply is flexible.
It these are only embodiments of the present invention, be not intended to limit the scope of the invention, it is every to utilize the present invention
Equivalent structure or equivalent flow shift made by specification and accompanying drawing content is applied directly or indirectly in other relevant technologies
Field is included within the scope of the present invention.
Claims (7)
1. a kind of nuclear power plant's power supply system, it is characterised in that：Including the first power supply, second source, third power supply, the first distribution electricity
Disk, the second distribution electroplax and third distribute electroplax；The first distribution electroplax and first power supply, the second distribution electricity
Disk, third distribution electroplax and the first load are connected；The second distribution electroplax and the second source and the second load phase
Even；The third distribution electroplax is connected with the third power supply and third load；When first power supply, the second source and
When third power supply operation, first power supply, the second source and the third power supply are able to by described the
It is first load, second load and institute that one distribution electroplax, the second distribution electroplax and the third, which distribute electroplax,
State third load supplying；When the second source is out of service, first power supply can distribute electroplax by described first
And the second distribution electroplax is second load supplying；When the third power supply is out of service, the first power supply energy
Enough electroplax is distributed by described first and the third distributes electroplax as the third load supplying；When first power supply exits
When operation, it is that first load supplies that the second source can distribute electroplax and the first distribution electroplax by described second
It is that first load supplies that electricity or the third power supply can distribute electroplax and the first distribution electroplax by the third
Electricity.
2. nuclear power plant's power supply system according to claim 1, it is characterised in that：The first distribution electroplax is opened including first
Pass, second switch, third switch and the first distribution bus；The first end of the first switch is connected with first power supply, institute
The second end for stating first switch is connected with first distribution bus, the first end of the second switch and the second distribution electricity
Disk is connected, and the second end of the second switch is connected with first distribution bus, the first end that the third switchs with it is described
Third distributes electroplax and is connected, and the second end of the third switch is connected with first distribution bus, first load and institute
The first distribution bus is stated to be connected；When first power supply is run, the first switch is closed, the second switch and described the
Three switches disconnect, and first power supply is first load supplying by the first switch；When the second source exits
When operation, the first switch and the second switch are closed, and the third switch disconnects, and first power supply passes through described the
One switch, the second switch and the second distribution electroplax are second load supplying；When the third power supply exits fortune
When row, the first switch and third switch are closed, and the second switch disconnects, and first power supply passes through described first
Switch, third switch and third distribution electroplax are the third load supplying.
3. nuclear power plant's power supply system according to claim 2, it is characterised in that：The second distribution electroplax is opened including the 4th
Pass, the 5th switch and the second distribution bus；The first end of 4th switch is connected with the second source, the 4th switch
Second end be connected with second distribution bus, it is described 5th switch first end and the second switch first end phase
Even, the second end of the 5th switch is connected with second distribution bus, second load and second distribution bus
It is connected；When the second source is run, the 4th switch is closed, and the 5th switch disconnects, and the second source passes through
4th switch is second load supplying；When the second source is out of service, the first switch, described second
Switch and the 5th switch are closed, and third switch and the 4th switch disconnect, and first power supply passes through described the
One switch, the second switch and the 5th switch are second load supplying.
4. nuclear power plant's power supply system according to claim 3, it is characterised in that：The third distribution electroplax is opened including the 6th
Pass, the 7th switch and third distribution bus；The first end of 6th switch is connected with the third power supply, the 6th switch
Second end be connected with the third distribution bus, the first end phase that is switched with the third of first end of the 7th switch
Even, the second end of the 7th switch is connected with the third distribution bus, the third load and the third distribution bus
It is connected；When the third power supply is run, the 6th switch is closed, and the 7th switch disconnects, and the third power supply passes through
6th switch is the third load supplying；When the third power supply is out of service, the first switch, the third
Switch and the 7th switch are closed, and the second switch and the 6th switch disconnect, and first power supply passes through described the
One switch, third switch and the 7th switch are the third load supplying.
5. nuclear power plant's power supply system according to claim 4, it is characterised in that：When first power supply is out of service,
4th switch, the 5th switch and the second switch are closed, and the first switch and third switch disconnect, institute
It is first load supplying that second source, which is stated, by the 4th switch, the 5th switch and the second switch；Or
The third switch, the 6th switch and the 7th switch are closed, and the first switch and the second switch disconnect, institute
It is first load supplying that third power supply, which is stated, by the 6th switch, the 7th switch and third switch.
6. nuclear power plant's power supply system according to claim 5, it is characterised in that：Further include the first main distributing board, the second master
Distribution board and third main distributing board；First main distributing board is connected to the first end of first power supply and the first switch
Between, for by the first switch be first load supplying or for except it is described first load, it is described second load and
Load supplying other than the third load；Second main distributing board is connected to the second source and the 4th switch
Between first end, for being second load supplying by the 4th switch or being except first load, described second
Load supplying other than load and third load；The third main distributing board is connected to the third power supply and the described 6th
Between the first end of switch, for being switched for the third load supplying or for except first load, institute by the described 6th
State the load supplying other than the second load and third load.
7. nuclear power plant's power supply system according to claim 6, it is characterised in that：Further include the first transformer, the second transformation
Device and third transformer；First transformer is connected between first power supply and first main distributing board, for pair
First power supply is depressured；Second transformer is connected between the second source and second main distributing board,
For being depressured to the second source；The third transformer is connected to the third power supply and the third main distributing board
Between, for being depressured to the third power supply.
Priority Applications (1)
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|---|---|---|---|
| CN201810560631.7A CN108683252A (en) | 2018-05-25 | 2018-05-25 | Nuclear power plant's power supply system |
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| CN201810560631.7A CN108683252A (en) | 2018-05-25 | 2018-05-25 | Nuclear power plant's power supply system |
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| CN108683252A true CN108683252A (en) | 2018-10-19 |
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Citations (5)
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