CN106684904B - The method and micro-capacitance sensor of the electrical networking of distributed busbar protection, medium-sized energy network - Google Patents
The method and micro-capacitance sensor of the electrical networking of distributed busbar protection, medium-sized energy network Download PDFInfo
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- CN106684904B CN106684904B CN201611033207.4A CN201611033207A CN106684904B CN 106684904 B CN106684904 B CN 106684904B CN 201611033207 A CN201611033207 A CN 201611033207A CN 106684904 B CN106684904 B CN 106684904B
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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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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Abstract
The invention discloses a kind of method of the electrical networking of distributed busbar protection and micro-capacitance sensors, medium-sized energy network, the method of the electrical networking of distributed busbar protection, comprising: the electric system of at least two distributed busbar protections in setting range is built into an electrical module respectively；Each electrical module is subjected to networking using electrical interconnection technology.The micro-capacitance sensor, comprising: at least two distributed busbar protections in setting range, each electrical module obtained after the power system blockset of at least two distributed busbar protections are connected by electrical interconnection technology.To be electrically connected between distributed busbar protection using the present invention program.
Description
Technical field
The present invention relates to power electronics field, in particular to the method for a kind of electrical networking of distributed busbar protection and micro-
Power grid, medium-sized energy network.
Background technique
The energy management research of micro-capacitance sensor is in the advanced subject of power electronics field, resolves energy management problem
It is the basis for realizing system stable operation and optimized operation.Current domestic and foreign scholars are from micro-grid structure, distributed energy
The multiple fields such as model, energy-storage system, running protection have conducted extensive research and discuss.
The distributed energy structure that the prior art is formed substantially about various energy resources form, and then formation collection generating set,
The micro-capacitance sensor structure that photovoltaic power generation, wind power generation and other means of non-electric energy sources are integrated is equivalent to comprehensive energy station, but the prior art
Deficiency be: energy networking is confined to the interconnection of a variety of means of non-electric energy sources between each distributed busbar protection, lacks electrical interconnection,
Each module can only carry out isolated power grid.
Summary of the invention
The present invention provides a kind of method of the electrical networking of distributed busbar protection and micro-capacitance sensor, medium-sized energy network, to
So that can be electrically connected between distributed busbar protection, the final stable and high effective operation for realizing micro-capacitance sensor.
The embodiment of the invention provides a kind of methods of the electrical networking of distributed busbar protection, comprising:
The electric system of at least two distributed busbar protections in setting range is built into an electrical module respectively；
Each electrical module is subjected to networking using electrical interconnection technology.
Preferably, the electrical interconnection technology includes being electrically connected by high-tension line and electric switch.
Preferably, the electric switch is network interconnecting circuit cabinet.
Preferably, each electrical module is carried out networking using electrical interconnection technology, specifically include:
It is carried out between the high voltage bus of two adjacent electrical modules by two network interconnecting circuit cabinets and high-tension line
Connection；
If any electrical module in two adjacent electrical modules uses double-cricuit supply, in the double loop
It is attached between the double loop bus of power supply by a network interconnecting circuit cabinet and high-tension line.
Preferably, the electrical module includes following any device or a combination thereof: generating set, energy storage device, alternating current,
Reverse-power protection device, electric degree bidirectional measuring table, dispatching communication module.Wherein, electric degree bidirectional measuring table is in two electrical modules
When need two pieces: one piece of incoming line cabinet, one piece of network interconnecting circuit cabinet；Three modules need three pieces: one piece of incoming line cabinet when forming looped network,
Each one piece of each module two sides breaker cabinet.
Preferably, further comprising after each electrical module carries out networking:
The generating set and/or energy storage device and/or alternating current of each electrical module can be remaining electrical module
Load provide power supply.
Preferably, further comprising after each electrical module carries out networking:
The grid-connected line access point mutual backup of generating set between each electrical module, each electrical module power generation
Side and user side grid integration point mutual backup, the reverse-power protection device mutual backup of each electrical module.
Preferably, further comprising after each electrical module carries out networking:
The dispatching communication module mutual backup of each electrical module is in communication with each other.
Preferably, the distributed busbar protection has isolated operation condition.
The embodiment of the invention provides a kind of micro-capacitance sensors, comprising: at least two distributed busbar protections in setting range, institute
Each electrical module obtained after the power system blockset of at least two distributed busbar protections is stated to be connected by electrical interconnection technology.
Preferably, each electrical module is connected by electrical interconnection technology, specifically: the high pressure of each electrical module
Bus is connected by high-tension line with electric switch.
Preferably, the electric switch is network interconnecting circuit cabinet.
Preferably, having two network interconnecting circuit cabinets, the double back of electrical module between the high voltage bus of each electrical module
There is a network interconnecting circuit cabinet between the bus of road.
The embodiment of the invention provides a kind of medium-sized energy networks, comprising: distribution described at least two in setting range
Formula energy source station power system blockset is connected by electrical interconnection technology.Specifically, including at least two electrically in setting range
Module, micro-capacitance sensor, at least two micro-capacitance sensors are connected by electrical interconnection technology.
The present invention has the beneficial effect that: in the scheme of the embodiment of the present invention, by least two distributions in setting range
The electric system of formula energy source station is built into an electrical module respectively, then using electrical interconnection technology by each electrical module into
Row networking, three form looped network with upper module.Make that electrical interconnection can be carried out between distributed busbar protection using this programme.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the method implementation process diagram of the electrical networking of distributed busbar protection in the embodiment of the present invention；
Fig. 2 is micro-capacitance sensor electric topology schematic diagram in the embodiment of the present invention.
Specific embodiment
Inventor during invention note that
Distributed energy obtains the strong support and approval of country as the useful supplement and environment-friendly advantage of national grid.It is right
In the combustion gas cold, heat and electricity triple supply energy source station grid-connected big principle that do not surf the Internet at present, energy source station is by non-electrical such as photovoltaic, underground heat, ocean energies
It can integrate and networking is being realized between energy source station, but lack the networking practice of electric energy between energy source station.
The deficiencies in the prior art are: each distributed busbar protection is confined to the interconnection of a variety of means of non-electric energy sources in energy microgrid,
Lack electrical interconnection.
Moreover, even if the refinement of distributed busbar protection project is by stages, but as creating city integrated commercial circle, big garden, number
According to the energy supplying system in the regions such as center, the increase process relative to customer charge is substantially relatively advanced, it will cause with
Lower problem:
(1) single energy source station generating set, energy storage device capacity short-term (half a year or 1 year or so) seem bigger than normal, very
It is not able to satisfy the minimum booting loading condiction of generating set to electric load, causes generating set that cannot be switched on, so that energy source station
The process function route of electricity determining by cold and the overall plan of generating set electric power grid integration all can be by great restriction and influences；
(2) at energy source station project delivery initial stage, utilization rate of equipment and installations is low, and rate of return on investment is low；
(3) generating set is run in 50% or more underload rate for a long time, and non-economy operation, long-term fallback causes to send out
Electric unit equipment and mating waste-heat recovery device service life reduction；
(4) user side and generator side of energy source station are limited to 1 grid integration point, while the generator side of energy source station is only
There is a grid entry point, after these three put any point failure, generating set no longer can grid integration；Grid-connected reliability is not high.
Based on this, micro- electricity that the present invention proposes a kind of scheme of the electrical networking of distributed busbar protection and formed according to the program
Net, medium-sized energy network, description of specific embodiments of the present invention with reference to the accompanying drawing.
Fig. 1 is the method implementation process diagram of the electrical networking of distributed busbar protection, as shown, may include walking as follows
It is rapid:
The electric system of at least two distributed busbar protections in setting range is built into an electricity by step 101 respectively
Gas module；
Each electrical module is carried out networking using electrical interconnection technology by step 102.
Implementation for step 101, setting range refer to the optimal economic distance range between each energy source station, are actually answering
It can be determined by comprehensively measuring and calculating and planning in.By the power train of at least two distributed busbar protections in setting range
System carries out Modularized Design for Electricity, is configured to an electrical module respectively.The selection of distributed busbar protection can unite before construction
It is best to be finally reached various aspects comprehensive assessment by being redesigned for Journal of Sex Research after one planning or construction.
In implementation, the electrical module includes following any device or a combination thereof: generating set, energy storage device, alternating current,
Reverse-power protection device, electric degree bidirectional measuring table, dispatching communication module.Wherein, electric degree bidirectional measuring table is in two electrical modules
When need two pieces: one piece of incoming line cabinet, one piece of network interconnecting circuit cabinet；Three modules need three pieces: one piece of incoming line cabinet when forming looped network,
Each one piece of each module two sides breaker cabinet.
Specifically, the high-pressure side of modular each distributed busbar protection switchgear house is grid-connected by generating set, generating set
Cabinet, same period PT cabinet (voltage transformer cabinet), energy storage device, outgoing line cabinet composition, in addition reverse-power protection device, electric degree bidirectional measuring
Table, dispatching communication module, user's 10KV distribution system constitute a complete module.Sight path distance may include that optical fiber is poor in module
The devices such as dynamic protective device.
Each device in above-mentioned module is introduced below.
Generating set, by the energy conversion of other forms at the plant equipment of electric energy；
Generating set grid-connection cabinet, when two and the above generating set, which are united, powers to load, or when one
Or more generating sets are united when powering to power grid, after installing generator connecting in parallel with system cabinet additional respectively, system can be only achieved connection
Close the requirement of power supply；
Same period PT cabinet realizes the device of generating set and the operation of power grid synchronization paralleling；
Energy storage device, mainly batteries to store energy, the energy storage in alternating current paddy electricity can be released in alternating current peak value or municipal power failure
Leave with the electricity of storage；
Outgoing line cabinet, from the switchgear of bus distribution electric energy；
Reverse-power protection device, to realize the protective device do not surfed the Internet of generator connecting in parallel with system, not to power grid output power.It is sending out
Motor is when 50% rate of load condensate is run, upper end mains-supplied of some load by grid integration system always, this numerical value
It is set as rated output of generating set>5~10%, when mains-supplied load<this setting numerical value, reverse-power protection device is dynamic
Make to jump grid integration switch, generating set off-the-line；
Electric energy bidirectional measuring table can measure the electricity that generator is exported to upper end institute's access system, also can be in generator
The electricity of generator institute grid-connected system internal loading consumption alternating current is measured when not starting；
Fiber differential protection device, the short-term road of of length no more than 10KM constitute optical-fiber longitudinal difference as channel using optical fiber
Dynamic protection.
Each electrical module is formed one by electrical interconnection technology and existed containing electrical interconnection by the implementation for step 102
Interior micro-capacitance sensor realizes " internet+" of electric energy in micro-capacitance sensor.
In implementation, the electrical interconnection technology includes being electrically connected by high-tension line and electric switch.
Specifically, each electrical module is formed one containing electricity by ad eundem high-tension line and electric switch by each energy source station
Gas is interconnected at interior medium-sized energy network.
In implementation, the electric switch is network interconnecting circuit cabinet.
Specifically, can be using network interconnecting circuit cabinet as electric switch, network interconnecting circuit cabinet is to play the role of contact
Switch.Contact cabinet is also known as mother cabinet, contact cabinet then therefrom separated (the different electricity of two-way when two-way power supply power transmission simultaneously
Source, usual split operation, mother No switching on), when wherein certain one end power supply has a power failure or powers off because of accident, get in touch with cabinet
It then connects, to ensure load electricity consumption under another way power supply, when trouble power circuit has Power resumption condition, then it is disconnected to get in touch with cabinet
It opens.High pressure contact cabinet divide-shut brake grid switching operation in practical station, between standing, should all be carried out by scheduling.
In implementation, each electrical module is subjected to networking using electrical interconnection technology, is specifically included:
It is carried out between the high voltage bus of two adjacent electrical modules by two network interconnecting circuit cabinets and high-tension line
Connection；
If any electrical module in two adjacent electrical modules uses double-cricuit supply, in the double loop
It is attached between the double loop bus of power supply by a network interconnecting circuit cabinet and high-tension line.
Specifically, there are two network interconnecting circuit cabinets between the high voltage bus of two adjacent electrical modules, pass through high-voltage line
Road is attached, if electrical module uses double-cricuit supply, increases a network interconnecting circuit cabinet between the bus of double loop, and
It is attached by high-tension line.Using between the electrical module of double-cricuit supply and the electrical module of use Semi-loop power source
Network interconnecting circuit cabinet can share, and be increased without.
After distributed busbar protection networking in setting range, each electric device is electrical by composition for lower mask body introduction
Internet can mutually throw mutually cut, mutual backup.
In implementation, after each electrical module carries out networking, it can further include:
The generating set and/or energy storage device and/or alternating current of each electrical module can be remaining electrical module
Load provide power supply.
Specifically, energy source station build initial operation stage, energy source station generating set, energy storage device, alternating current can a station drive it is more
The electrical load stood, improves the rate of load condensate for the generating set that puts into operation, while avoiding the long-term fallback of other generating sets and leading
The problem of causing generator set device and mating waste-heat recovery device service life reduction.It puts into operation the later period in energy source station construction, generating set,
Energy storage device, alternating current with mutual backup, can improve the power supply of each energy source station, energy supply reliability.When more generating sets, multiple
Energy storage device, the electricity went off for multichannel alternating current, as long as can operate normally there are one energy source station, so that it may be modular electrical
Any one other energy source station load in internet provide power supply.
In implementation, after each electrical module carries out networking, it can further include:
Each electrical module interconnection is mutually standby, and Generation Side, the user side grid integration point of each electrical module are mutual
To be spare, the mutual backup such as reverse-power protection device of each electrical module.
Specifically, for generating set capacity in the case where, electric power grid integration point can be each other when energy source station is grid-connected
It is spare, it grid-connected cannot not uniquely and its after generating failure be restricted by user side grid integration point.Namely it is connect when user side is grid-connected
When entering point failure, it can be switched to the electric power grid integration point of another energy source station, then access by the user side grid integration point
Bulk power grid.It and is that interconnection is mutually standby between energy source station module high voltage electrical system at this time.
It is adjusted by setting, reverse-power protection device can improve utilization rate of equipment and installations with mutual backup.
In implementation, after each electrical module carries out networking, further comprise:
The dispatching communication module mutual backup of each electrical module is in communication with each other.
Specifically, the dispatching communication module mutual backup of modular each energy source station or being in communication with each other, establish higher more
Reliable communication, management and running.
In implementation, the distributed busbar protection has isolated operation condition premise.
Specifically, above-mentioned each electric device by composition electrical interconnection net can mutually throw mutually cut, mutual backup, Ke Yi
Distributed busbar protection is implemented under the premise of having isolated operation condition.
The micro-capacitance sensor formed according to the electrical network-building method of above-mentioned distributed busbar protection is described below.
Micro-capacitance sensor includes: at least two distributed busbar protections in setting range, the electricity of at least two distributed busbar protections
Each electrical module obtained after Force system modularization is connected by electrical interconnection technology.
Specifically, setting range refers to optimal economic, technology distance range between each energy source station, need in practical applications
To pass through comprehensively measuring and calculating and planning.The electric system of at least two distributed busbar protections in modularization setting range, obtains
Each electrical module by electrical interconnection technology be connected, form one containing the micro-capacitance sensor including electrical interconnection, realize micro- electricity
" internet+" of electric energy in netting.
In implementation, each electrical module is connected by electrical interconnection technology, specifically: the high pressure of each electrical module
Bus is connected by high-tension line with electric switch.
Specifically, the high voltage bus of each electrical module can be connected by high-tension line with electric switch.
In implementation, the electric switch is network interconnecting circuit cabinet.
Specifically, the high voltage bus of each electrical module can be connected by high-tension line with network interconnecting circuit cabinet, contact is disconnected
Road device cabinet is the switch for playing the role of contact.
In implementation, respectively there are a network interconnecting circuit cabinet, electrical mould in each electrical module high voltage bus two sides at a distance
There is a network interconnecting circuit cabinet between the double loop bus of block.
Specifically, respectively there are a network interconnecting circuit cabinet in the high voltage bus two sides of each electrical module, carried out by high-tension line
Connection has a network interconnecting circuit cabinet between the bus of double loop, passes through high-tension line if electrical module uses double-cricuit supply
It is attached.
In implementation, the electrical module includes following any device or a combination thereof: generating set, energy storage device, alternating current,
Reverse-power protection device, electric degree bidirectional measuring table, dispatching communication module, wherein electric degree bidirectional measuring table is in two electrical modules
When need two pieces: one piece of incoming line cabinet, one piece of network interconnecting circuit cabinet；Three modules need three pieces: one piece of incoming line cabinet when forming looped network,
Each one piece of each module two sides breaker cabinet.
About the component devices of electrical module, in the method for the electrical networking of above-mentioned distributed busbar protection it is stated that this
Place repeats no more.
For a clearer understanding of the present invention, it is illustrated below with specific embodiment.
Fig. 2 is micro-capacitance sensor electric topology schematic diagram, as shown, at least four electrical module forms micro-capacitance sensor, it is each electrical
Module includes: alternating current, user 10Kv bus, user side access cabinet, energy source station 10Kv bus, generating set, energy storage device, the same period
Cabinet etc. is electrically connected between the high voltage bus of two neighboring electrical module by ad eundem high-tension line and contact cabinet, real
The networking of electric energy between energy source station is showed.In specific implementation, electrical module can also include reverse-power protection device, two-way electricity
Energy gauge table etc..Reverse-power protection device is installed between alternating current inlet wire and user's 10Kv bus, and bidirectional electric energy gauge table installs additional
In the contact cabinet that user side accesses cabinet and each module.
New electrical module can be increased between each adjacent two electrical module, such as: 3# energy source station electrical module and 4#
Visual (3 kilometers or so) the practical energy source station quantity nearby of dotted portion increases new electrical module between energy source station electrical module.
In practical applications, the selection of distributed busbar protection needs to determine best-of-breed technology, warp by comprehensively measuring and calculating, planning
Help distance range, avoids the problems such as high-tension line transmission losses is excessive, high-tension line construction cost is excessively high.
Correspondingly, additionally providing a kind of medium-sized energy network in the embodiment of the present invention, comprising: at least two in setting range
The micro-capacitance sensor of a electrical module is connected by electrical interconnection technology.
In micro-capacitance sensor, medium-sized energy network, the networking of electric energy may be implemented, each electric device can also mutually be thrown mutually
It cuts, mutual backup, it is specifically described below.
(1) initial operation stage is built in micro-capacitance sensor, generating set, alternating current, the energy storage device of an energy source station can in micro-capacitance sensor
To drive the operation of the equipment of remaining energy source station, the rate of load condensate for the generating set that puts into operation is improved, while avoiding other generators
Group underrun；
(2) it puts into operation the later period in micro-capacitance sensor construction, the generating set of energy source station, alternating current, energy storage device can be mutual in micro-capacitance sensor
To be spare, as long as there is an energy source station to operate normally, power supply can be provided for the load of remaining energy source station, so that each energy source station supplies
Electric reliability greatly improves；
(3) in micro-capacitance sensor each energy source station generating set capacity close in the case where, electric power grid integration point can be each other
It is spare, it grid-connected cannot not uniquely and its after failure be restricted by user side grid integration point；Such as one of energy source station user side
Grid integration point failure, another energy source station user side grid integration point progress for being directly switch to normal operation are grid-connected；
(4) the reverse-power protection device of each energy source station can improve utilization rate of equipment and installations with mutual backup in micro-capacitance sensor.
In conclusion in the scheme of the embodiment of the present invention, by least two distributed busbar protections in setting range
Electric system is built into an electrical module respectively；Each electrical module is subjected to networking using electrical interconnection technology, is formed micro-
Power grid, medium-sized energy network.To be electrically connected between distributed busbar protection using this programme, solves micro-capacitance sensor office
The problem of being limited to after the combination of various energy resources the only interconnection of means of non-electric energy sources, lacking electrical interconnection.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (13)
1. a kind of method of the electrical networking of distributed busbar protection characterized by comprising
The electric system of at least two distributed busbar protections in setting range is built into an electrical module respectively；
Each electrical module is subjected to networking using electrical interconnection technology；
Wherein, the electrical module includes following any device or a combination thereof: generating set, energy storage device, alternating current, inverse probability
Protective device, electric degree bidirectional measuring table, dispatching communication module, wherein electric degree bidirectional measuring table is two in two electrical modules
Block: one piece of incoming line cabinet, one piece of network interconnecting circuit cabinet；Three modules are three pieces: one piece of incoming line cabinet when forming looped network, each module two
Each one piece of side breaker cabinet；
After each electrical module carries out networking, further comprise:
The grid-connected line access point mutual backup of generating set, the user side of each electrical module between each electrical module
Grid integration point mutual backup, the reverse-power protection device mutual backup of each electrical module.
2. the method according to claim 1, wherein the electrical interconnection technology includes passing through high-tension line and electricity
Air cock is electrically connected.
3. according to the method described in claim 2, it is characterized in that, the electric switch is network interconnecting circuit cabinet.
4. according to the method described in claim 3, it is characterized in that, each electrical module is carried out group using electrical interconnection technology
Net specifically includes:
It is attached between the high voltage bus of two adjacent electrical modules by two network interconnecting circuit cabinets and high-tension line；
If any electrical module in two adjacent electrical modules uses double-cricuit supply, in the double-cricuit supply
Double loop bus between be attached by a network interconnecting circuit cabinet and high-tension line.
5. the method according to claim 1, wherein after each electrical module carries out networking, further
Include:
The generating set and/or energy storage device and/or alternating current of each electrical module are that the load of remaining electrical module mentions
Power supply source.
6. the method according to claim 1, wherein after each electrical module carries out networking, further
Include:
The dispatching communication module mutual backup of each electrical module is in communication with each other.
7. according to any method of claim 5 to 6, which is characterized in that the distributed busbar protection has isolated operation
Condition.
8. a kind of micro-capacitance sensor that method according to any one of claims 1 to 7 is formed, comprising: at least two in setting range
A distributed busbar protection, which is characterized in that obtained after the power system blockset of at least two distributed busbar protection each
Electrical module is connected by electrical interconnection technology.
9. micro-capacitance sensor according to claim 8, which is characterized in that each electrical module passes through electrical interconnection technology phase
Even, specifically: the high voltage bus of each electrical module is connected by high-tension line with electric switch.
10. micro-capacitance sensor according to claim 9, which is characterized in that the electric switch is network interconnecting circuit cabinet.
11. micro-capacitance sensor according to claim 10, which is characterized in that the high voltage bus two sides of each electrical module respectively have
One network interconnecting circuit cabinet has a network interconnecting circuit cabinet between the double loop bus of electrical module.
12. according to any micro-capacitance sensor of claim 8 to 11, which is characterized in that the electrical module includes following any
Device or a combination thereof: generating set, energy storage device, alternating current, reverse-power protection device, electric degree bidirectional measuring table, dispatching communication
Module, wherein electric degree bidirectional measuring table is two pieces: one piece of incoming line cabinet, one piece of network interconnecting circuit cabinet in two electrical modules；Three
A module is three pieces: one piece of incoming line cabinet, each one piece of each module two sides breaker cabinet when forming looped network.
13. a kind of medium-sized energy network characterized by comprising any micro-capacitance sensor of claim 8 to 12, at least
Two micro-capacitance sensors are connected by electrical interconnection technology.
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| CN110783941A (en) * | 2019-12-03 | 2020-02-11 | 中国电力工程顾问集团西北电力设计院有限公司 | Apply to wind-powered electricity generation power supply side energy storage system's electric main wiring structure |
| CN111948991A (en) * | 2020-07-21 | 2020-11-17 | 浙江中新电力工程建设有限公司 | Optimization control system and method based on comprehensive energy service system |
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|---|---|---|---|---|
| CN102361328A (en) * | 2011-10-25 | 2012-02-22 | 中国科学技术大学 | Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power |
| CN102664429A (en) * | 2012-05-29 | 2012-09-12 | 国电联合动力技术有限公司 | Grid-connected non-networking micro-grid system and control protection method thereof |
| CN104410165A (en) * | 2014-12-12 | 2015-03-11 | 新奥科技发展有限公司 | Micro-network interconnection method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361328A (en) * | 2011-10-25 | 2012-02-22 | 中国科学技术大学 | Wind and light complement distributed micro-grid system for comprehensively utilizing commercial power |
| CN102664429A (en) * | 2012-05-29 | 2012-09-12 | 国电联合动力技术有限公司 | Grid-connected non-networking micro-grid system and control protection method thereof |
| CN104410165A (en) * | 2014-12-12 | 2015-03-11 | 新奥科技发展有限公司 | Micro-network interconnection method and system |
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