CN105515056A - Distributed power generation system of multiple AC (alternating current) ring networks and WIRELESS grids - Google Patents
Distributed power generation system of multiple AC (alternating current) ring networks and WIRELESS grids Download PDFInfo
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- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 57
- 230000006854 communication Effects 0.000 claims abstract description 56
- 230000005611 electricity Effects 0.000 claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000007175 bidirectional communication Effects 0.000 claims description 30
- 230000002457 bidirectional effect Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 230000000875 corresponding effect Effects 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000002028 Biomass Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 6
- 238000012795 verification Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
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Abstract
The invention discloses a distributed power generation system, comprising AC (alternating current) ring networks, WIRELESS grids, mains supply networks, electric converters, a communication link, and electricity meter devices. Each WIRELESS grid is composed of one or more wireless distributed power generation devices and one or more wireless energy receiving devices; the wireless distributed power generation devices transmit electric energy to the wireless energy receiving devices through electromagnetic wave; the wireless distributed power generation devices transmit electric energy to the wireless energy receiving devices in a resonant transmission manner; multiple AC ring networks are provided; multiple WIRELESS grids are provided; at least one mains supply network is provided.
Description
Technical field
The present invention relates to a kind of distributed generation system, particularly a kind of distributed generation system and method comprising multiple AC looped network and WIRELESS electrical network.
Background technology
In the prior art, general and the load of one or more distributed generation system forms a miniature electric power networks jointly, this network generally can only independent operating, also there is on-line running and impact greatly to bulk power grid in the miniature electric power networks that part can be connected with bulk power grid, communication network during common operation is dangerous, easily make a mistake or attacked, fitness between electric power networks is poor, when emergencies such as single electric power networks generation power down pressures, the sibling network of jointly reaching the standard grade such as cannot to be offered help in time at a large amount of problem.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network, described distributed generation system comprises AC looped network, WIRELESS electrical network, electricity network, electric energy converting equipment, communication link, ammeter equipment.
Described WIRELESS electrical network is by one or more wireless distributed generating equipment, and one or more wireless energy receiving equipment is formed;
Electric energy is sent to wireless energy receiving equipment by electromagnetic wave by described wireless distributed generating equipment;
Electric energy is sent to wireless energy receiving equipment by the mode of resonant transmission by described wireless distributed generating equipment;
Described AC looped network is multiple; Described WIRELESS electrical network is multiple; Described electricity network is at least one.
Particularly, described wireless distributed generating equipment is by Distributed-generation equipment, and wireless energy transmission device formed;
Described wireless energy receiving equipment is by wireless energy receiver, and wireless energy transducer formed; Described wireless energy transducer is used for the electromagnetic wave that wireless energy receiver receives to change, and described wireless energy transducer is used for the DC electric current provided to WIRELESS electrical network outside through conversion;
Wireless distributed generating equipment described in each is connected to one or more described wireless energy receiving equipment, and the electric energy for being produced by the Distributed-generation equipment being connected to WIRELESS electrical network is provided to described wireless energy receiving equipment.
Particularly, described electric energy converting equipment is bidirectional power conversion equipment, and described communication link is bidirectional communication link, and described ammeter equipment is two-way ammeter equipment;
Described bidirectional power conversion equipment comprises two-way AC/AC electric energy transducer, two-way DC/AC electric energy transducer, two-way AC/DC electric energy transducer;
Described bidirectional communication link is two-way wired communications links, or two-way wireless communication link, or the combination of two-way wired communications links and two-way wireless communication link;
Described two-way ammeter equipment is used for periodically adding up the electric energy of bidirectional flow warp.
Particularly, described electric energy converting equipment comprises the bidirectional power conversion equipment be connected between WIRELESS electrical network and electricity network, be connected to the bidirectional power conversion equipment between AC looped network and electricity network, be connected to the bidirectional power conversion equipment between WIRELESS electrical network and AC looped network;
Be connected to the bidirectional communication link between WIRELESS electrical network and electricity network, be connected to the bidirectional communication link between AC looped network and electricity network, be connected to the bidirectional communication link between WIRELESS electrical network and AC looped network;
Be connected to the two-way ammeter equipment between WIRELESS electrical network and electricity network, be connected to the two-way ammeter equipment between AC looped network and electricity network, be connected to the two-way ammeter equipment between WIRELESS electrical network and AC looped network.
Particularly, the Distributed-generation equipment that WIRELESS electrical network connects comprises photovoltaic power generation apparatus, wind power generation plant, internal combustion engine, biomass power generation, one or more in tidal energy;
Described AC looped network is connected with Distributed-generation equipment; Described AC looped network is also connected with energy storage device, power consuming load; The Distributed-generation equipment that AC looped network connects comprises photovoltaic power generation apparatus, wind power generation plant, internal combustion engine, biomass power generation, one or more in tidal energy; Described energy storage device comprises batteries, bank of super capacitors, one or more in flying wheel battery.
Particularly, power circuit residing for described electric energy converting equipment, WIRELESS electrical network, has active voltage support system in AC looped network, described active voltage support system is used for the power circuit residing for described electric energy converting equipment, WIRELESS electrical network, when magnitude of voltage on AC looped network does not reach respective minimum voltage value, obtain electric energy from outside, for supporting the power circuit residing for described electric energy converting equipment, WIRELESS electrical network, the voltage on AC looped network.
Particularly, described bidirectional communication link adopts encryption mechanism to transmit;
Described bidirectional communication link also adopts binary channels mechanism to transmit, and namely has the communication link that two have bi-directional communication function between each information sender and each receiving party.
Particularly, described encryption mechanism is divided into general communication state, and secure communication state;
Described general communication state is that information sender adds effect code before the signal of every section of encapsulation, by a bidirectional communication link, information is sent to recipient; Receiving party, based on received effect code, inquires about corresponding effect code and replies code in the effect code corresponding lists that self stores, and this effect code answer code is sent to information sender by same communication link; Receive after this effect code replies code in information sender and carry out checking judgement, if checking judgement is passed through, then information sender sends and is verified order to receiving party, if checking judges not pass through, enters secure communication state;
Described secure communication state is, adopt described two have in the communication link of bi-directional communication function another carry out information interaction; Described secure communication state adopts the encryption mechanism different from general communication state to carry out data interaction, and the described encryption mechanism different from general communication state is that every bar operational order all needs to be confirmed by keeper manual verification.
Described interchange looped network inside adopts based on excitation unit, magnetic circuit, Magnetic circuit switch, coil, and the magnetic circuit transmission system that magnetic core realizes, in order to transmit AC energy.
Comprise an operation method for the distributed generation system of multiple AC looped network and multiple WIRELESS electrical network, the electricity networks to be accessed such as described operation method comprises the electricity networks to be accessed such as WIRELESS electrical network initialization, the initialization of AC looped network, is characterized in that:
Described operation method also comprises,
Step one: electricity network searches pre-access network, described pre-access network is multiple AC looped network and multiple WIRELESS electrical network;
Step 2: electricity network confirms accessible network,
Step 3: electricity network receives pre-access net-work parameter information,
Step 4: after electricity network calculates pre-access network insertion according to described pre-access net-work parameter information, the meritorious amount of the whole network, idle amount, change of power flow;
Step 5: judge whether to allow access, if allow, enter step 6, if do not allow, enter step 7;
Step 6: pre-access network insertion electricity network;
Step 7: send the signal not allowing pre-access network insertion electricity network, and notify corresponding pre-access network manager.
Particularly, step one all needs to be confirmed by electricity network keeper manual verification to each step in step 7.
The present invention is based on multiple AC looped network, multiple WIRELESS electrical network, and electricity network, by the generating equipment unification of distributed arrangement in an overall bulk power grid, there is following advantages: the actual conditions that (1) each electric energy network can run according to bulk power grid carry out independent operating, overall operation; And based on communication link, the equipment such as ammeter equipment are by different electric energy network organically unifications (2); (3) general communication and secure communication is in particular cases realized; (4) reducing electric energy loss when guaranteeing safety utilization of electric power, is the electric energy network architecture of a kind of advanced person.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art and advantage, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the distributed generation system structure chart comprising multiple AC looped network and multiple WIRELESS electrical network that the embodiment of the present invention provides;
Symbol description in figure: 1-communication link; The two-way DC/AC electric energy transducer of 2-; The two-way AC/AC electric energy transducer of 3-; The two-way AC/DC electric energy transducer of 4-; 5-many AC looped networks; 6-many WIRELESS electrical networks; 7-electricity network.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of protection of the invention.
Refer to Fig. 1, the invention provides a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network, described distributed generation system comprises AC looped network, WIRELESS electrical network, electricity network, electric energy converting equipment, communication link, ammeter equipment.
Described WIRELESS electrical network is by one or more wireless distributed generating equipment, and one or more wireless energy receiving equipment is formed;
Electric energy is sent to wireless energy receiving equipment by electromagnetic wave by described wireless distributed generating equipment;
Electric energy is sent to wireless energy receiving equipment by the mode of resonant transmission by described wireless distributed generating equipment;
Described AC looped network is multiple; Described WIRELESS electrical network is multiple; Described electricity network is at least one.
Particularly, described wireless distributed generating equipment is by Distributed-generation equipment, and wireless energy transmission device formed;
Described wireless energy receiving equipment is by wireless energy receiver, and wireless energy transducer formed; Described wireless energy transducer is used for the electromagnetic wave that wireless energy receiver receives to change, and described wireless energy transducer is used for the DC electric current provided to WIRELESS electrical network outside through conversion;
Wireless distributed generating equipment described in each is connected to one or more described wireless energy receiving equipment, and the electric energy for being produced by the Distributed-generation equipment being connected to WIRELESS electrical network is provided to described wireless energy receiving equipment.
Particularly, described electric energy converting equipment is bidirectional power conversion equipment, and described communication link is bidirectional communication link, and described ammeter equipment is two-way ammeter equipment;
Described bidirectional power conversion equipment comprises two-way AC/AC electric energy transducer, two-way DC/AC electric energy transducer, two-way AC/DC electric energy transducer;
Described bidirectional communication link is two-way wired communications links, or two-way wireless communication link, or the combination of two-way wired communications links and two-way wireless communication link;
Described two-way ammeter equipment is used for periodically adding up the electric energy of bidirectional flow warp.
Particularly, described electric energy converting equipment comprises the bidirectional power conversion equipment be connected between WIRELESS electrical network and electricity network, be connected to the bidirectional power conversion equipment between AC looped network and electricity network, be connected to the bidirectional power conversion equipment between WIRELESS electrical network and AC looped network;
Be connected to the bidirectional communication link between WIRELESS electrical network and electricity network, be connected to the bidirectional communication link between AC looped network and electricity network, be connected to the bidirectional communication link between WIRELESS electrical network and AC looped network;
Be connected to the two-way ammeter equipment between WIRELESS electrical network and electricity network, be connected to the two-way ammeter equipment between AC looped network and electricity network, be connected to the two-way ammeter equipment between WIRELESS electrical network and AC looped network.
Particularly, the Distributed-generation equipment that WIRELESS electrical network connects comprises photovoltaic power generation apparatus, wind power generation plant, internal combustion engine, biomass power generation, one or more in tidal energy;
Described AC looped network is connected with Distributed-generation equipment; Described AC looped network is also connected with energy storage device, power consuming load; The Distributed-generation equipment that AC looped network connects comprises photovoltaic power generation apparatus, wind power generation plant, internal combustion engine, biomass power generation, one or more in tidal energy; Described energy storage device comprises batteries, bank of super capacitors, one or more in flying wheel battery.
Particularly, power circuit residing for described electric energy converting equipment, WIRELESS electrical network, has active voltage support system in AC looped network, described active voltage support system is used for the power circuit residing for described electric energy converting equipment, WIRELESS electrical network, when magnitude of voltage on AC looped network does not reach respective minimum voltage value, obtain electric energy from outside, for supporting the power circuit residing for described electric energy converting equipment, WIRELESS electrical network, the voltage on AC looped network.
Particularly, described bidirectional communication link adopts encryption mechanism to transmit;
Described bidirectional communication link also adopts binary channels mechanism to transmit, and namely has the communication link that two have bi-directional communication function between each information sender and each receiving party.
Particularly, described encryption mechanism is divided into general communication state, and secure communication state;
Described general communication state is that information sender adds effect code before the signal of every section of encapsulation, by a bidirectional communication link, information is sent to recipient; Receiving party, based on received effect code, inquires about corresponding effect code and replies code in the effect code corresponding lists that self stores, and this effect code answer code is sent to information sender by same communication link; Receive after this effect code replies code in information sender and carry out checking judgement, if checking judgement is passed through, then information sender sends and is verified order to receiving party, if checking judges not pass through, enters secure communication state;
Described secure communication state is, adopt described two have in the communication link of bi-directional communication function another carry out information interaction; Described secure communication state adopts the encryption mechanism different from general communication state to carry out data interaction, and the described encryption mechanism different from general communication state is that every bar operational order all needs to be confirmed by keeper manual verification.
Described interchange looped network inside adopts based on excitation unit, magnetic circuit, Magnetic circuit switch, coil, and the magnetic circuit transmission system that magnetic core realizes, in order to transmit AC energy.
Comprise an operation method for the distributed generation system of multiple AC looped network and multiple WIRELESS electrical network, the electricity networks to be accessed such as described operation method comprises the electricity networks to be accessed such as WIRELESS electrical network initialization, the initialization of AC looped network, is characterized in that:
Described operation method also comprises,
Step one: electricity network searches pre-access network, described pre-access network is multiple AC looped network and multiple WIRELESS electrical network;
Step 2: electricity network confirms accessible network,
Step 3: electricity network receives pre-access net-work parameter information,
Step 4: after electricity network calculates pre-access network insertion according to described pre-access net-work parameter information, the meritorious amount of the whole network, idle amount, change of power flow;
Step 5: judge whether to allow access, if allow, enter step 6, if do not allow, enter step 7;
Step 6: pre-access network insertion electricity network;
Step 7: send the signal not allowing pre-access network insertion electricity network, and notify corresponding pre-access network manager.
Particularly, step one all needs to be confirmed by electricity network keeper manual verification to each step in step 7.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. comprise a distributed generation system for multiple AC looped network and multiple WIRELESS electrical network, described distributed generation system comprises AC looped network, WIRELESS electrical network, electricity network, electric energy converting equipment, communication link, and ammeter equipment, is characterized in that:
Described WIRELESS electrical network is by one or more wireless distributed generating equipment, and one or more wireless energy receiving equipment is formed;
Electric energy is sent to wireless energy receiving equipment by electromagnetic wave by described wireless distributed generating equipment;
Electric energy is sent to wireless energy receiving equipment by the mode of resonant transmission by described wireless distributed generating equipment;
Described AC looped network is multiple; Described WIRELESS electrical network is multiple; Described electricity network is at least one.
2. a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network according to claim 1, is characterized in that:
Described wireless distributed generating equipment is by Distributed-generation equipment, and wireless energy transmission device formed;
Described wireless energy receiving equipment is by wireless energy receiver, and wireless energy transducer formed; Described wireless energy transducer is used for the electromagnetic wave that wireless energy receiver receives to change, and described wireless energy transducer is used for the DC electric current provided to WIRELESS electrical network outside through conversion;
Wireless distributed generating equipment described in each is connected to one or more described wireless energy receiving equipment, and the electric energy for being produced by the Distributed-generation equipment being connected to WIRELESS electrical network is provided to described wireless energy receiving equipment.
3. a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network according to claim 2, is characterized in that:
Described electric energy converting equipment is bidirectional power conversion equipment, and described communication link is bidirectional communication link, and described ammeter equipment is two-way ammeter equipment;
Described bidirectional power conversion equipment comprises two-way AC/AC electric energy transducer, two-way DC/AC electric energy transducer, two-way AC/DC electric energy transducer;
Described bidirectional communication link is two-way wired communications links, or two-way wireless communication link, or the combination of two-way wired communications links and two-way wireless communication link;
Described two-way ammeter equipment is used for periodically adding up the electric energy of bidirectional flow warp.
4. a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network according to claim 3, is characterized in that:
Described electric energy converting equipment comprises the bidirectional power conversion equipment be connected between WIRELESS electrical network and electricity network, be connected to the bidirectional power conversion equipment between AC looped network and electricity network, be connected to the bidirectional power conversion equipment between WIRELESS electrical network and AC looped network;
Be connected to the bidirectional communication link between WIRELESS electrical network and electricity network, be connected to the bidirectional communication link between AC looped network and electricity network, be connected to the bidirectional communication link between WIRELESS electrical network and AC looped network;
Be connected to the two-way ammeter equipment between WIRELESS electrical network and electricity network, be connected to the two-way ammeter equipment between AC looped network and electricity network, be connected to the two-way ammeter equipment between WIRELESS electrical network and AC looped network.
5. a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network according to claim 4, is characterized in that:
The Distributed-generation equipment that WIRELESS electrical network connects comprises photovoltaic power generation apparatus, wind power generation plant, internal combustion engine, biomass power generation, one or more in tidal energy;
Described AC looped network is connected with Distributed-generation equipment; Described AC looped network is also connected with energy storage device, power consuming load; The Distributed-generation equipment that AC looped network connects comprises photovoltaic power generation apparatus, wind power generation plant, internal combustion engine, biomass power generation, one or more in tidal energy; Described energy storage device comprises batteries, bank of super capacitors, one or more in flying wheel battery.
6. a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network according to claim 5, is characterized in that:
Power circuit residing for described electric energy converting equipment, WIRELESS electrical network, there is in AC looped network active voltage support system, described active voltage support system is used for the power circuit residing for described electric energy converting equipment, and WIRELESS electrical network, when the magnitude of voltage on AC looped network does not reach respective minimum voltage value, electric energy is obtained from outside, for supporting the power circuit residing for described electric energy converting equipment, WIRELESS electrical network, the voltage on AC looped network.
7. a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network according to claim 6, is characterized in that:
Described bidirectional communication link adopts encryption mechanism to transmit;
Described bidirectional communication link also adopts binary channels mechanism to transmit, and namely has the communication link that two have bi-directional communication function between each information sender and each receiving party.
8. a kind of distributed generation system comprising multiple AC looped network and multiple WIRELESS electrical network according to claim 7, is characterized in that:
Described encryption mechanism is divided into general communication state, and secure communication state;
Described general communication state is that information sender adds effect code before the signal of every section of encapsulation, by a bidirectional communication link, information is sent to recipient; Receiving party, based on received effect code, inquires about corresponding effect code and replies code in the effect code corresponding lists that self stores, and this effect code answer code is sent to information sender by same communication link; Receive after this effect code replies code in information sender and carry out checking judgement, if checking judgement is passed through, then information sender sends and is verified order to receiving party, if checking judges not pass through, enters secure communication state;
Described secure communication state is, adopt described two have in the communication link of bi-directional communication function another carry out information interaction; Described secure communication state adopts the encryption mechanism different from general communication state to carry out data interaction, and the described encryption mechanism different from general communication state is that every bar operational order all needs to be confirmed by keeper manual verification.
9. comprise an operation method for the distributed generation system of multiple AC looped network and multiple WIRELESS electrical network, the electricity networks to be accessed such as described operation method comprises the electricity networks to be accessed such as WIRELESS electrical network initialization, the initialization of AC looped network, is characterized in that:
Described operation method also comprises,
Step one: electricity network searches pre-access network, described pre-access network is multiple AC looped network and multiple WIRELESS electrical network;
Step 2: electricity network confirms accessible network,
Step 3: electricity network receives pre-access net-work parameter information,
Step 4: after electricity network calculates pre-access network insertion according to described pre-access net-work parameter information, the meritorious amount of the whole network, idle amount, change of power flow;
Step 5: judge whether to allow access, if allow, enter step 6, if do not allow, enter step 7;
Step 6: pre-access network insertion electricity network;
Step 7: send the signal not allowing pre-access network insertion electricity network, and notify corresponding pre-access network manager.
10. operation method according to claim 9, is characterized in that: step one all needs to be confirmed by electricity network keeper manual verification to each step in step 7.
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