CN107979172A - Electricity generation system, control method and device - Google Patents
Electricity generation system, control method and device Download PDFInfo
- Publication number
- CN107979172A CN107979172A CN201711203428.6A CN201711203428A CN107979172A CN 107979172 A CN107979172 A CN 107979172A CN 201711203428 A CN201711203428 A CN 201711203428A CN 107979172 A CN107979172 A CN 107979172A
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- China
- Prior art keywords
- generator
- electricity
- subsidiary engine
- generate electricity
- switch
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Classifications
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/02—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
Abstract
The invention discloses a kind of electricity generation system, control method and device.Wherein, which includes：Multigroup generator, for generating electricity；At least one subsidiary engine, is connected with least two generators in multigroup generator, wherein, at least two generators is used to power at least one subsidiary engine；Switching device, is connected at least one subsidiary engine and at least between two generators, for switching the generator powered to subsidiary engine between at least two generators.The present invention solves the technical problem that the supplier of electricity outside being needed when single unit in electricity generation system in the prior art stops power generation being powered subsidiary engine.
Description
Technical field
The present invention relates to control field, in particular to a kind of electricity generation system, control method and device.
Background technology
In electricity generation system, generally there is unit more than two to can be used in generating electricity., should when one group of unit stops power generation
The part subsidiary engine of unit needs extra supplier of electricity to be powered, and outer purchase of electricity is larger.
For it is above-mentioned the problem of, not yet propose effective solution at present.
The content of the invention
An embodiment of the present invention provides a kind of electricity generation system, control method and device, at least to solve to send out in the prior art
The technical problem that supplier of electricity outside being needed when single unit stops power generation in electric system is powered subsidiary engine.
One side according to embodiments of the present invention, there is provided a kind of electricity generation system, including：Multigroup generator, for sending out
Electricity；At least one subsidiary engine, is connected with least two generators in multigroup generator, wherein, at least two groups of power generations
Machine is used to power at least one subsidiary engine；Switching device, is connected at least one subsidiary engine and at least two groups of hairs
Between motor, for switching the generator powered to the subsidiary engine between at least two generators.
Further, the switching device, stops power generation for first group of generator at least two generators
Afterwards, the generator to generate electricity is switched at least two generators to power at least one subsidiary engine, wherein,
First group of generator is used to power at least one subsidiary engine before stopping generating electricity.
Further, the switching device includes：Relay switch, the relay switch are supplied by first group of generator
Electricity, after first group of generator power-off, the relay connect described in the hair that is at least generating electricity in two generators
On motor.
Further, the switching device includes：Digital switch, the digital switch by first group of generator powered,
After first group of generator power-off, the digital switch connect described in the generator that is at least generating electricity in two generators
On.
Another aspect according to embodiments of the present invention, additionally provides a kind of control method, including：It is judged as subsidiary engine power supply
Whether generator, which stops, generating electricity；In the case where the generator powered for the subsidiary engine stops power generation, by the power supply of the subsidiary engine
Side switches to the generator to generate electricity.
Further, the generator to generate electricity is multiple, and the supplier of electricity of the subsidiary engine is switched to the hair to generate electricity
Motor includes：In the case where the generator being connected with the subsidiary engine is multiple, the priority of generator to generate electricity is judged；
The supplier of electricity of the subsidiary engine is switched to the generator of highest priority in the generator to generate electricity.
Further, the generator to generate electricity is multiple, and the supplier of electricity of the subsidiary engine is switched to the hair to generate electricity
Motor includes：In the case where the generator being connected with the subsidiary engine is multiple, the load of generator to generate electricity is judged；Will
The supplier of electricity of the subsidiary engine switches to the generator that load is most light in the generator to generate electricity.
Another aspect according to embodiments of the present invention, additionally provides a kind of control device, including：Judging unit, for sentencing
Break and whether stop generating electricity for the generator of subsidiary engine power supply；Switch unit, for stopping hair in the generator powered for the subsidiary engine
In the case of electricity, the supplier of electricity of the subsidiary engine is switched to the generator to generate electricity.
Further, the generator to generate electricity is multiple, and the switch unit includes：First judgment sub-unit, is used for
In the case where the generator being connected with the subsidiary engine is multiple, the priority of generator to generate electricity is judged；First switching
Subelement, for the supplier of electricity of the subsidiary engine to be switched to the generator of highest priority in the generator to generate electricity.
Further, the generator to generate electricity is multiple, and the switch unit includes：Second judgment sub-unit, is used for
In the case where the generator being connected with the subsidiary engine is multiple, the load of generator to generate electricity is judged；Second switching
Unit, for the supplier of electricity of the subsidiary engine to be switched to the generator that load is most light in the generator to generate electricity.
In embodiments of the present invention, the unit for power generation includes generator and subsidiary engine, auxiliary in the case of unit generation
The electricity consumption of machine is provided in itself by unit；When unit stops generating electricity, switching device switches over, and the supplier of electricity of subsidiary engine is switched to
The generator to generate electricity, when single unit stops power generation in electricity generation system, it is only necessary to by generating electricity in the electricity generation system
Unit to stop power generation unit in subsidiary engine be powered, it is not necessary to the supplier of electricity of its exterior supplies subsidiary engine
Electricity, has reached the technology effect for being not required exterior supplier of electricity to be powered subsidiary engine when single unit in electricity generation system stops power generation
Fruit, and then the supplier of electricity solved when single unit in electricity generation system in the prior art stops power generation outside needs carries out subsidiary engine
The technical problem of power supply.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
The schematic diagram of power mode when Fig. 1 is according to prior art #3 machines, #4 machine duplex runnings；
Fig. 2 is the schematic diagram of the power mode in #3 unit outages, #4 unit operations according to the prior art；
Fig. 3 is the schematic diagram of the power mode in #4 unit outages, #3 unit operations according to the prior art；
Fig. 4 is the schematic diagram of electricity generation system according to embodiments of the present invention；
Fig. 5 is the flow chart of control method according to embodiments of the present invention；
Fig. 6 is the schematic diagram of control device according to embodiments of the present invention；
Fig. 7 is that #3 machines according to embodiments of the present invention are stopped transport, the schematic diagram of 380V station-services when #4 machines are run electrically；
Fig. 8 is that #4 machines according to embodiments of the present invention are stopped transport, the schematic diagram of 380V station-services when #3 machines are run electrically.
Embodiment
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model that the present invention protects
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to the embodiment of the present invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, system, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Below by taking the example of a specific power supply mode as an example, carry out specifically the defects of to prior art power supply mode
It is bright.
#3 sets two sections of 6KV busbar 3BBA, 3BBB, powers for #3 unit 6KV subsidiary engines, also passes through low-pressure dry on the busbar
Become, be that the 380V subsidiary engines of unit are powered.
#4 sets two sections of 6KV busbar 4BBA, 4BBB, powers for #4 unit 6KV subsidiary engines, also passes through low-pressure dry on the busbar
Become, be that the 380V subsidiary engines of unit are powered.
#3, #4 machine set the startup spare transformer (abbreviation #2, which starts, to be become) of a 63MW jointly, which is derived from
220KV power grids, startup power supply and stand-by power supply as #3, #4 machine.
Fig. 1 shows power mode when #3 machines, #4 machine duplex runnings in the prior art.As shown in Figure 1, in two units
Operationally, power supply mode wiring is as follows：
The method of operation of the 6KV systems of two units is：
#3 machines：31 sections of 6KV station-services are carried by the service entrance switch 3BBA02 that works, and standby inlet switch 3BBA03 is in working position
Put off-state；32 sections of 3BBB of 6KV station-services are carried by the service entrance switch 3BBB02 that works, and standby inlet switch 3BBB03 is working
Position off-state.
#4 machines：41 sections of 6KV station-services are carried by the service entrance switch 4BBA02 that works, and standby inlet switch 4BBA03 is in working position
Put off-state；42 sections of 4BBB of 6KV station-services are carried by the service entrance switch 4BBB02 that works, and standby inlet switch 4BBB03 is working
Position off-state.
#2, which starts, to be become：220KV sides power switch 222 is closing, and the spare I sections of work service entrance switch 34BCA02 of 6KV are being closed, for #
3 31 sections of power switch 34BCA04 of machine 6KV station-services are being closed, and are being closed for 42 sections of power switch 34BCA05 of #4 machine 6KV station-services；6KV is standby
Closed, closed for 32 sections of power switch 34BCB04 of #3 machine 6KV station-services, for #4 machines 6KV with II sections of work service entrance switch 34BCB02
41 sections of power switch 34BCB05 of station-service are being closed.
Each unit 380V station service electrical systems are run by the normal mode of design.The station service electrical system of bright standby mode, work
Service entrance switch is closing, and standby inlet switch are disconnected；The station service electrical system of dark standby mode, work service entrance switch are closing, busbar connection
Network switch is disconnected.
Such a operating mode, #2, which starts to become, is in no-load running state, in addition to three pumps one that net system increases newly except city become, without any
Load, if ignoring no-load loss, will not produce outer purchase of electricity because of unit.
Fig. 2 shows power mode of the prior art in #3 unit outages, #4 unit operations.As shown in Fig. 2, in #3 machines
When group stoppage in transit, #4 unit operations, 6KV power supply mode wiring is as follows：
#3 machines：31 sections of 3BBA work service entrance switch 3BBA02 of 6KV station-services are disconnected, and standby inlet switch 3BBA03 closes a floodgate, female
Line is started by #2 and becomes power supply；32 sections of 3BBB work service entrance switch 3BBB02 of 6KV station-services are disconnected, and standby inlet switch 3BBB02 is closed
Lock, busbar are started by #2 and become power supply.
#4 machines：41 sections of 6KV station-services are carried by the service entrance switch 4BBA02 that works, and standby inlet switch 4BBA03 is in working position
Put off-state；42 sections of 4BBB of 6KV station-services are carried by the service entrance switch 4BBB02 that works, and standby inlet switch 4BBB03 is working
Position off-state.
#2, which starts, to be become：220KV sides power switch 222 is closing, and the spare I sections of work service entrance switch 34BCA02 of 6KV are being closed, for #
3 31 sections of power switch 34BCA04 of machine 6KV station-services are being closed, and are being closed for 42 sections of power switch 34BCA05 of #4 machine 6KV station-services；6KV is standby
Closed, closed for 32 sections of power switch 34BCB04 of #3 machine 6KV station-services, for #4 machines 6KV with II sections of work service entrance switch 34BCB02
41 sections of power switch 34BCB05 of station-service are being closed.
Under such a operating mode, 6KV, 380V station service electrical system of operating unit do not produce outer purchase of electricity by power itself；But stop
Transport unit 6KV, 380V station service electrical system and start change power supply by #2, considerable outer purchase of electricity can be produced.
Fig. 3 shows power mode of the prior art in #4 unit outages, #3 unit operations.As shown in figure 3, in #4 machines
When group stoppage in transit, #3 unit operations, 6KV power supply mode wiring is as follows：
#3 machines：31 sections of 6KV station-services are carried by the service entrance switch 3BBA02 that works, and standby inlet switch 3BBA03 is in working position
Put off-state；32 sections of 3BBB of 6KV station-services are carried by the service entrance switch 3BBB02 that works, and standby inlet switch 3BBB03 is working
Position off-state.
#4 machines：41 sections of 4BBA work service entrance switch 4BBA02 of 6KV station-services are disconnected, and standby inlet switch 4BBA03 closes a floodgate, female
Line is started by #2 and becomes power supply；42 sections of 4BBB work service entrance switch 4BBB02 of 6KV station-services are disconnected, and standby inlet switch 4BBB02 is closed
Lock, busbar are started by #2 and become power supply.
#2, which starts, to be become：220KV sides power switch 222 is closing, and the spare I sections of work service entrance switch 34BCA02 of 6KV are being closed, for #
3 31 sections of power switch 34BCA04 of machine 6KV station-services are being closed, and are being closed for 42 sections of power switch 34BCA05 of #4 machine 6KV station-services；6KV is standby
Closed, closed for 32 sections of power switch 34BCB04 of #3 machine 6KV station-services, for #4 machines 6KV with II sections of work service entrance switch 34BCB02
41 sections of power switch 34BCB05 of station-service are being closed.
Under such a operating mode, 6KV, 380V station service electrical system of operating unit do not produce outer purchase of electricity by power itself；But stop
Transport unit 6KV, 380V station service electrical system and start change power supply by #2, considerable outer purchase of electricity can be produced.
Embodiment 1
A kind of one side according to embodiments of the present invention, there is provided electricity generation system.
Fig. 4 is the schematic diagram of electricity generation system according to embodiments of the present invention, as shown in figure 4, the electricity generation system includes：Power generation
Machine 42 (multigroup), subsidiary engine 44 (at least one), switching device 46.
Multigroup generator is used to generate electricity.Subsidiary engine is connected with least two generators in multigroup generator, wherein, at least two
Group generator is used to power at least one subsidiary engine.Switching device, be connected at least one subsidiary engine and at least two generators it
Between, for switching the generator powered to subsidiary engine between at least two generators.
Subsidiary engine can be water circulation system, pump etc..
Unit for power generation includes generator and subsidiary engine, and in the case of unit generation, the electricity consumption of subsidiary engine is by unit sheet
Body provides；When unit stops generating electricity, switching device switches over, and the supplier of electricity of subsidiary engine is switched to the power generation to generate electricity
Machine, when single unit stops power generation in electricity generation system, it is only necessary to sent out by the unit to generate electricity in the electricity generation system stopping
Subsidiary engine in the unit of electricity is powered, it is not necessary to which the supplier of electricity of its exterior is powered subsidiary engine, solves existing
The technical problem that supplier of electricity outside being needed when single unit stops power generation in electricity generation system in technology is powered subsidiary engine, reaches
The technique effect for being not required exterior supplier of electricity to be powered subsidiary engine when single unit in electricity generation system stops power generation being arrived.
Alternatively, switching device, after stopping power generation for first group of generator at least two generators, switches to
The generator at least to generate electricity in two generators with least one subsidiary engine power, wherein, first group of generator is stopping
It is used to power at least one subsidiary engine before power generation.
Assuming that first group of generator is in generating state, it is assumed that subsidiary engine A is a subsidiary engine of first group of generator, the subsidiary engine
Supply of electric power cannot interrupt.The generator to generate electricity can have one or more.When the generator to generate electricity have it is more
When a, if first group of generator stops power generation, then switching device will switch to the multiple generators to generate electricity with to subsidiary engine A
Power supply.
Switching device can be relay switch, digital switch etc..
Alternatively, switching device includes：Relay switch, relay switch is by first group of generator powered, at first group
After generator power-off, relay is connected at least two generators on the generator to generate electricity.
In the case where switching device is relay switch, when first group of generator is in generating state, relay switch
By first group of generator powered, after first group of generator powers off, relay connects the generator to generate electricity, so that
The generator of power generation is powered the subsidiary engine for stopping the generator of power generation.
Alternatively, switching device includes：Digital switch, digital switch is by first group of generator powered, in first group of power generation
After machine power-off, digital switch is connected at least two generators on the generator to generate electricity.
In the case where switching device is digital switch, when first group of generator is in generating state, digital switch is by
One group of generator powered, after first group of generator powers off, digital switch connects the generator to generate electricity, so as to send out
The generator of electricity is powered the subsidiary engine for stopping the unit of power generation.
Embodiment 2
Fig. 5 is the flow chart of control method according to embodiments of the present invention, as shown in figure 5, this method comprises the following steps：
Step S502, is judged as whether the generator of subsidiary engine power supply stops generating electricity.
Step S504, in the case where the generator powered for subsidiary engine stops power generation, the supplier of electricity of subsidiary engine is switched to just
In the generator of power generation.
Subsidiary engine can be water circulation system, pump etc..
Unit for power generation includes generator and subsidiary engine, and in the case of unit generation, the electricity consumption of subsidiary engine is by unit sheet
Body provides；When unit stops generating electricity, switching device switches over, and the supplier of electricity of subsidiary engine is switched to the power generation to generate electricity
Machine, when single unit stops power generation in electricity generation system, it is only necessary to sent out by the unit to generate electricity in the electricity generation system stopping
Subsidiary engine in the unit of electricity is powered, it is not necessary to which the supplier of electricity of its exterior is powered subsidiary engine, solves existing
The technical problem that supplier of electricity outside being needed when single unit stops power generation in electricity generation system in technology is powered subsidiary engine, reaches
The technique effect for being not required exterior supplier of electricity to be powered subsidiary engine when single unit in electricity generation system stops power generation being arrived.
Alternatively, the generator to generate electricity is multiple, and the supplier of electricity of subsidiary engine is switched to the generator bag to generate electricity
Include：In the case where the generator being connected with subsidiary engine is multiple, the priority of generator to generate electricity is judged；By the confession of subsidiary engine
Electricity side switches to the generator of highest priority in the generator to generate electricity.
Priority is that administrative staff pre-set, and stops generating electricity if the generator of subsidiary engine power supply, then inquires about
There is which generator generating electricity, the generator to generate electricity is ranked up according to the order of priority from high to low, select
Go out the generator of highest priority in the multiple generators to generate electricity, as the supplier of electricity of subsidiary engine, i.e. by the confession of subsidiary engine
Electricity side switches to the generator of highest priority in the generator to generate electricity.
Alternatively, the generator to generate electricity is multiple, and the supplier of electricity of subsidiary engine is switched to the generator bag to generate electricity
Include：In the case where the generator being connected with subsidiary engine is multiple, the load of generator to generate electricity is judged；By the power supply of subsidiary engine
Side switches to the generator that load is most light in the generator to generate electricity.
When needing the quantity of subsidiary engine of generator powered larger, the load of generator is larger；When needing generator powered
Subsidiary engine quantity it is smaller when, the load of generator is smaller.
When generator real output and maximum allowable output power it is bigger when, the load of generator is larger；
When generator real output and maximum allowable output power it is smaller when, the load of generator is smaller.
The load of generator is that real-time judge comes out.
Stop generating electricity if the generator of subsidiary engine power supply, then which generator inquiry has generating electricity, according to load
Order from small to large is ranked up the generator to generate electricity, and it is minimum to select load in the multiple generators to generate electricity
Generator, as the supplier of electricity of subsidiary engine, i.e. the supplier of electricity of subsidiary engine is switched in the generator to generate electricity load most
Small generator.
Embodiment 3
According to embodiments of the present invention, a kind of control device is additionally provided.The control device can perform above-mentioned control method,
Above-mentioned control method can also be implemented by the control device.
Fig. 6 is the schematic diagram of control device according to embodiments of the present invention, as shown in fig. 6, the device includes：Judging unit
10th, switch unit 20.
Whether judging unit 10, the generator for being judged as subsidiary engine power supply stop generating electricity.
Switch unit 20, in the case of stopping power generation in the generator powered for subsidiary engine, the supplier of electricity of subsidiary engine is cut
Shift to the generator to generate electricity.
Alternatively, the generator to generate electricity is multiple, and switch unit 20 includes：First judgment sub-unit.First judges
Subelement, in the case of being multiple in the generator being connected with subsidiary engine, judges the priority of generator to generate electricity；The
One switching subelement, for the supplier of electricity of subsidiary engine to be switched to the generator of highest priority in the generator to generate electricity.
Alternatively, the generator to generate electricity is multiple, and switch unit 20 includes：Second judgment sub-unit.Second judges
Subelement, in the case of being multiple in the generator being connected with subsidiary engine, judges the load of generator to generate electricity；Second
Switching subelement, for the supplier of electricity of subsidiary engine to be switched to the generator that load is most light in the generator to generate electricity.
Embodiment 4
Fig. 7 is that #3 machines according to embodiments of the present invention are stopped transport, the schematic diagram of 380V station-services when #4 machines are run electrically.Such as
Shown in Fig. 7, #3 machines are stopped transport, and 380V station-services when #4 machines are run are electrically as follows：
#3 machines 380V security personnel's section 3BFE work service entrance switch 3BFE01 is disconnected, and standby inlet switch 3BFE04 closes a floodgate.
The public III sections of 34BGA work service entrance switch 34BGA01 of #3 machines 380V are disconnected.III, IV sections of bar coupleres
34BGA15 closes a floodgate.
III sections of 34BHC work service entrance switch 34BHC01 of 380V air compressor machines are disconnected, III, IV sections of bar coupleres
34BHC05 closes a floodgate.
III sections of 34BHJ work service entrance switch 34BHJ01 of 380V air-conditionings are disconnected, III, IV sections of bar coupler 34BHJ02
Close a floodgate；IV sections of 34BHK work service entrance switch 34BHK01 of 380V air-conditionings close a floodgate, and III, IV sections of bar coupler 34BHK02 are closed
Lock.
380V illuminates III sections of 34BHN work service entrance switch 34BHN01 and disconnects, and standby inlet switch 34BHN02 closes a floodgate；#3
Machine 380V maintenance section 34BHQ work service entrance switch 34BHQ01 is disconnected, and standby inlet switch 34BHQ02 closes a floodgate；380V illuminates IV sections
34BHP work service entrance switch 34BHP01 closes a floodgate, and standby inlet switch 34BHP02 closes a floodgate；#4 machines 380V maintenance section 4BKQ work into
Wiretap 4BKQ04A closes a floodgate.
Fig. 8 is that #4 machines according to embodiments of the present invention are stopped transport, the schematic diagram of 380V station-services when #3 machines are run electrically.Such as
Shown in Fig. 8, #4 machines are stopped transport, and 380V station-services during #3 machines are electrically as follows：
The public IV sections of 34BGB work service entrance switch 34BGB01 of #3 machines 380V are disconnected.III, IV sections of bar coupleres
34BGA15 closes a floodgate.
V sections of 34BHD work service entrance switch 34BHD01 of 380V air compressor machines are disconnected, III, IV sections of bar coupler 34BHC05
Close a floodgate.
III sections of 34BHJ work service entrance switch 34BHJ01 of 380V air-conditionings close a floodgate, III, IV sections of bar coupler 34BHJ02
Close a floodgate；IV sections of 34BHK work service entrance switch 34BHK01 of 380V air-conditionings are disconnected, and III, IV sections of bar coupler 34BHK02 are closed
Lock.
#4 machines 380V security personnel's section 4BFE work service entrance switch 4BFE01 is disconnected, and standby inlet switch 4BFE04 closes a floodgate.
It is constant that #3 machines 380V maintenance section 34BHQ, #4 machine 380V maintenance sections 4BKQ and 380V illuminate III sections of 34BHN modes；
380V illuminates IV sections of 34BHP work service entrance switch 34BHP01 and disconnects, and standby inlet switch 34BHP02 closes a floodgate.
In embodiments of the present invention, by the switching to House load operation mode, the station service of stoppage in transit unit is fallen as fortune
Row unit is powered, and effectively reduces outer purchase of electricity, reduces cost of electricity-generating.
It is such a by way of switching and saving outer purchase of electricity, be equally applicable to ash disposal, defeated coal, the station service of sewerage connect
Line.
In the prior art, after unit outage, its 6KV, 380V subsidiary engine is started by #2 and becomes power supply, can be produced considerable
Outer purchase of electricity.In embodiments of the present invention, in the case where not changing primary equipment wiring, switching 380V station services can be used
System operation mode, switches power supply to another operating unit power supply by the 380V subsidiary engines of stoppage in transit unit, reduces outer purchase of electricity,
Reduce cost of electricity-generating.
Embodiment 5
#3 machines are stopped transport, and electrically handover operation can be as follows for station-service when #4 machines are run：
Disconnected #3 machines 380V security personnel section work service entrance switch 3BFE01, standby inlet switch 3BFE04 automatic closings.
The disconnected public III sections of work service entrance switch 34BGA01 of #3 machines 380V, bus connection switch 34BGA15 automatic closings.
Disconnected III sections of work service entrance switch 34BHC01 of 380V air compressor machines, bus connection switch 34BHC05 automatic closings.
III sections of standby inlet switch 34BHJ02 of disconnected 380V air-conditionings, close IV sections of standby inlet switch 34BHK02 of 380V air-conditionings；
Disconnected III sections of work service entrance switch 34BHJ01 of 380V air-conditionings, close standby inlet switch 34BHJ02.
Disconnected #4 machines 380V maintenance section work service entrance switch 4BKQ04A, closes 380V and illuminates IV sections of standby inlet switch
34BHP02；Disconnected #3 machines 380V maintenance section standby inlet switch 34BHQ02, close #4 machines 380V maintenance section work service entrance switch
4BKQ04A；Disconnected #3 machines 380V maintenance section work service entrance switch 34BHQ01, closes standby inlet switch 34BHQ02；Disconnected 380V illuminations
III sections of work service entrance switch 34BHN01, close standby inlet switch 34BHN02.
In the prior art, after unit outage, its 6KV, 380V subsidiary engine is started by #2 and becomes power supply, can be produced considerable
Outer purchase of electricity.In embodiments of the present invention, in the case where not changing primary equipment wiring, switching 380V station services can be used
System operation mode, switches power supply to another operating unit power supply by the 380V subsidiary engines of stoppage in transit unit, reduces outer purchase of electricity,
Reduce cost of electricity-generating.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided by the present invention, it should be understood that disclosed technology contents, can pass through others
Mode is realized.Wherein, device embodiment described above is only schematical, such as the division of the unit, Ke Yiwei
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, unit or module
Connect, can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
Embody, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment the method for the present invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. electricity generation system, it is characterised in that including：Multigroup generator, for generating electricity；At least one subsidiary engine, is connected with least two generators in multigroup generator, wherein, at least two groups of power generations Machine is used to power at least one subsidiary engine；Switching device, is connected between at least one subsidiary engine and at least two generators, for described at least two Switch the generator powered to the subsidiary engine between group generator.
- 2. system according to claim 1, it is characterised in thatThe switching device, after stopping power generation for first group of generator at least two generators, switches to institute The generator to generate electricity at least two generators is stated to power at least one subsidiary engine, wherein, first group of hair Motor is used to power at least one subsidiary engine before stopping generating electricity.
- 3. system according to claim 1, it is characterised in that the switching device includes：Relay switch, the relay Device is switched by first group of generator powered, after first group of generator power-off, at least two described in the relay connection On the generator to generate electricity in group generator.
- 4. system according to claim 1, it is characterised in that the switching device includes：Digital switch, the numeral are opened Close by first group of generator powered, after first group of generator power-off, at least two groups described in the digital switch connection On the generator to generate electricity in generator.
- A kind of 5. control method, it is characterised in that including：It is judged as whether the generator of subsidiary engine power supply stops generating electricity；In the case where the generator powered for the subsidiary engine stops power generation, the supplier of electricity of the subsidiary engine is switched to and is being generated electricity Generator.
- 6. according to the method described in claim 5, it is characterized in that, the generator to generate electricity is multiple, by the subsidiary engine Supplier of electricity, which switches to the generator to generate electricity, to be included：In the case where the generator being connected with the subsidiary engine is multiple, the priority of generator to generate electricity is judged；The supplier of electricity of the subsidiary engine is switched to the generator of highest priority in the generator to generate electricity.
- 7. according to the method described in claim 5, it is characterized in that, the generator to generate electricity is multiple, by the subsidiary engine Supplier of electricity, which switches to the generator to generate electricity, to be included：In the case where the generator being connected with the subsidiary engine is multiple, the load of generator to generate electricity is judged；The supplier of electricity of the subsidiary engine is switched into the generator that load is most light in the generator to generate electricity.
- A kind of 8. control device, it is characterised in that including：Whether judging unit, the generator for being judged as subsidiary engine power supply stop generating electricity；Switch unit, in the case of stopping power generation in the generator powered for the subsidiary engine, by the supplier of electricity of the subsidiary engine Switch to the generator to generate electricity.
- 9. device according to claim 8, it is characterised in that the generator to generate electricity is multiple, the switch unit Including：First judgment sub-unit, in the case of being multiple in the generator being connected with the subsidiary engine, judges what is generated electricity The priority of generator；First switching subelement, for the supplier of electricity of the subsidiary engine to be switched to highest priority in the generator to generate electricity Generator.
- 10. device according to claim 8, it is characterised in that the generator to generate electricity is multiple, the switch unit Including：Second judgment sub-unit, in the case of being multiple in the generator being connected with the subsidiary engine, judges what is generated electricity The load of generator；Second switching subelement, for the supplier of electricity of the subsidiary engine to be switched to the hair that load is most light in the generator to generate electricity Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203428.6A CN107979172A (en) | 2017-11-24 | 2017-11-24 | Electricity generation system, control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711203428.6A CN107979172A (en) | 2017-11-24 | 2017-11-24 | Electricity generation system, control method and device |
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| CN107979172A true CN107979172A (en) | 2018-05-01 |
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| CN201711203428.6A Pending CN107979172A (en) | 2017-11-24 | 2017-11-24 | Electricity generation system, control method and device |
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| CN103595120A (en) * | 2013-11-21 | 2014-02-19 | 长园深瑞继保自动化有限公司 | Multi-incoming-line standby power supply automatic switching-in method |
| CN103683491A (en) * | 2013-11-12 | 2014-03-26 | 国家电网公司 | Multi-power accessed substation anti-islanding system |
| KR20150000107U (en) * | 2013-06-27 | 2015-01-08 | 현대중공업 주식회사 | Dual power supply apparatus of reefer container |
| CN105470822A (en) * | 2016-01-19 | 2016-04-06 | 北京国电龙源环保工程有限公司 | Power supply and distribution system for organic amine desulfurization and acid making process |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150000107U (en) * | 2013-06-27 | 2015-01-08 | 현대중공업 주식회사 | Dual power supply apparatus of reefer container |
| CN103683491A (en) * | 2013-11-12 | 2014-03-26 | 国家电网公司 | Multi-power accessed substation anti-islanding system |
| CN103595120A (en) * | 2013-11-21 | 2014-02-19 | 长园深瑞继保自动化有限公司 | Multi-incoming-line standby power supply automatic switching-in method |
| CN105470822A (en) * | 2016-01-19 | 2016-04-06 | 北京国电龙源环保工程有限公司 | Power supply and distribution system for organic amine desulfurization and acid making process |
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Application publication date: 20180501 |