CN218124324U - Energy router system suitable for zero-carbon building - Google Patents
Energy router system suitable for zero-carbon building Download PDFInfo
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- CN218124324U CN218124324U CN202222209948.0U CN202222209948U CN218124324U CN 218124324 U CN218124324 U CN 218124324U CN 202222209948 U CN202222209948 U CN 202222209948U CN 218124324 U CN218124324 U CN 218124324U
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Abstract
An energy router system suitable for a zero-carbon building comprises a control protection system, a direct-current bus, a first bidirectional AC/DC converter, a second bidirectional AC/DC converter, a DC/DC fan converter, a DC/DC photovoltaic converter, a bidirectional energy storage DC/DC converter, a bidirectional DC/DC charging pile and a unidirectional DC/AC converter, wherein the first bidirectional AC/DC converter, the second bidirectional AC/DC converter, the DC/DC fan converter, the DC/DC photovoltaic converter, the bidirectional energy storage DC/DC converter, the bidirectional DC/DC charging pile and the unidirectional DC/AC converter are connected with the control protection system, and the direct-current bus is connected with the direct-current sides of the first bidirectional AC/DC converter and the second bidirectional AC/DC converter and is simultaneously connected with the direct-current sides of the DC/DC fan converter, the DC/DC photovoltaic converter, the bidirectional energy storage DC/DC converter and the unidirectional DC/AC converter. The utility model adopts a common DC bus mode, which is convenient for expansion and plug-and-play requirements; under the condition of higher-level power grid failure, the building can be operated in an isolated network on site, and the emergency power supply requirement of the building load or part of the building load is met.
Description
Technical Field
The utility model relates to an electric building technical field, in particular to are energy router system that adapts to zero carbon building.
Background
The building field is one of the important fields of carbon emission, and the carbon emission of the building field accounts for 39% of the total carbon emission of the world. With the continuous promotion of the national 'double carbon' target, the reduction of carbon emission in the building field becomes the current urgent work to be carried out. Particularly, with the increasing of roof photovoltaic and electric automobiles, an important opportunity is provided for building zero-carbon buildings. At present, the existing roof photovoltaic and fan are basically connected to a building in an unordered mode, and generated energy is transmitted to an upper-level power grid; simultaneously, the charging pile is also built according to actual needs and is powered from commercial power. Coordination optimization among wind power, photovoltaic, energy storage and charging piles after energy storage is increased is not considered, energy consumption and waste are increased, and the realization of a double-carbon target is not facilitated.
In fact, local energy optimization is carried out among wind, light, storage and charging piles, redundant electric quantity is sent to the commercial power or is taken from the commercial power as required, and low-carbon or zero-carbon operation of buildings can be achieved. Therefore, the energy router system for building the zero-carbon building can realize the real-time control and optimization of wind-solar energy storage and load through local scheduling control, realize the zero-carbon operation of the building to the maximum extent, and achieve the low-carbon and zero-carbon energy-saving effects of the building. Meanwhile, a common direct current bus mode is adopted, so that the expansion and plug and play requirements are facilitated; and under the condition of upper-level power grid failure, the building can be operated in isolated network on site, and the emergency power supply requirement of the building load or part of the building load is met.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides an energy router system suitable for zero-carbon buildings, which realizes the wind-light resource access of the zero-carbon buildings, realizes the real-time control and optimization of wind-light storage and load through local scheduling control, realizes the zero-carbon operation of the buildings to the maximum extent, and achieves the low-carbon and zero-carbon energy-saving effects of the buildings; meanwhile, a common direct current bus mode is adopted, so that the expansion and plug and play requirements are facilitated; and under the condition of upper-level power grid failure, the building can operate in an isolated network on site, and the emergency power supply requirement of the building load or part of the building load is met.
The utility model adopts the following technical scheme:
the energy router system comprises a control protection system, a direct current bus, a first bidirectional AC/DC converter, a second bidirectional AC/DC converter, a DC/DC fan converter, a DC/DC photovoltaic converter, a bidirectional energy storage DC/DC converter, a bidirectional DC/DC charging pile and a unidirectional DC/AC converter, wherein the first bidirectional AC/DC converter, the second bidirectional AC/DC converter, the DC/DC fan converter, the DC/DC photovoltaic converter, the bidirectional energy storage DC/DC converter, the bidirectional DC/DC charging pile and the unidirectional DC/AC converter are connected with the direct current sides of the first bidirectional AC/DC converter and the second bidirectional AC/DC converter, and are connected with the direct current sides of the DC/DC fan converter, the DC/DC photovoltaic converter, the bidirectional energy storage DC/DC converter and the unidirectional DC/AC converter.
Furthermore, the first bidirectional AC/DC converter comprises a bidirectional AC/DC converter AC side breaker and a bidirectional AC/DC converter DC side breaker, the bidirectional AC/DC converter AC side breaker of the first bidirectional AC/DC converter is connected to the first upper distribution transformer, and the bidirectional AC/DC converter DC side breaker is connected to the DC bus.
Furthermore, the second bidirectional AC/DC converter includes a bidirectional AC/DC converter AC-side circuit breaker and a bidirectional AC/DC converter DC-side circuit breaker, the bidirectional AC/DC converter AC-side circuit breaker of the second bidirectional AC/DC converter is connected to the second upper distribution transformer, and the bidirectional AC/DC converter DC-side circuit breaker is connected to the DC bus.
Furthermore, the DC/DC fan converter has an output direct current side connected with the direct current bus and an input direct current side connected with the wind turbine generator set, and is used for transmitting wind power energy to the direct current bus.
Furthermore, the input side of the DC/DC photovoltaic converter is connected with a photovoltaic power supply, and the output side of the DC/DC photovoltaic converter is connected with the direct current bus and used for transmitting photovoltaic power generation energy to the direct current bus.
Furthermore, the input side of the bidirectional energy storage DC/DC converter is connected with the energy storage, and the output side of the bidirectional energy storage DC/DC converter is connected with the direct current bus, so that the functions of charging and discharging energy by the energy storage are realized.
Furthermore, the input side of the bidirectional DC/DC charging pile is connected with the electric automobile, and the output side of the bidirectional DC/DC charging pile is connected with the direct-current bus, so that the charging and discharging functions of the electric automobile battery are realized.
Further, the unidirectional DC/AC converter is connected to an AC load for supplying energy to the AC load.
Further, the control protection system is connected with the controllers of the first bidirectional AC/DC converter and the second bidirectional AC/DC converter through optical fibers.
The technical advantages of the utility model are that: the scheme adopts a common direct current bus mode and adopts mature DC/DC and AC/DC converters and the like, so that the manufacturing cost is low and the expansion is convenient; meanwhile, energy storage, photovoltaic, wind power and load local energy scheduling optimization can be realized through an energy router control system, and zero-carbon or low-carbon engineering is convenient for building construction; and moreover, the local isolated network operation of the zero-carbon building can be realized under the condition of the fault of the upper-level power grid, and the requirement of partial load emergency power supply can be met.
Drawings
Fig. 1 is a schematic structural diagram of the energy router system adapted to a zero-carbon building of the present invention.
In the figure: 1-a first bidirectional AC/DC converter, 11-a bidirectional AC/DC converter AC side breaker, 12-a bidirectional AC/DC converter DC side breaker, 2-a second bidirectional AC/DC converter, 21-a bidirectional AC/DC converter AC side breaker, 22-a bidirectional AC/DC converter DC side breaker, 3-a DC bus, 4-a DC/DC fan converter, 5-a first DC/DC photovoltaic converter, 6-a second DC/DC photovoltaic converter, 7-a bidirectional energy storage DC/DC converter, 8-a bidirectional DC/DC charging pile, 9-a unidirectional DC/AC converter, 10-a control protection system.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and the specific embodiments of the present invention.
Referring to fig. 1, the present invention is adapted to one embodiment of an energy router system of a zero-carbon building, and the energy router system includes a first bidirectional AC/DC converter 1, a second bidirectional AC/DC converter 2, a DC bus 3, a DC/DC fan converter 4, a first DC/DC photovoltaic converter 5, a second DC/DC photovoltaic converter 6, a bidirectional energy storage DC/DC converter 7, a bidirectional DC/DC charging pile 8, a unidirectional DC/AC converter 9, and a control protection system 10.
The first bidirectional AC/DC converter 1 comprises a bidirectional AC/DC converter alternating current side circuit breaker 11 and a bidirectional AC/DC converter direct current side circuit breaker 12, the bidirectional AC/DC converter alternating current side circuit breaker 11 of the first bidirectional AC/DC converter 1 is connected with a first superior distribution transformer and used for sending out zero-carbon building wind power and photovoltaic generated energy and obtaining commercial power, and the bidirectional AC/DC converter direct current side circuit breaker 12 is connected with a direct current bus 3.
The second bidirectional AC/DC converter 2 comprises a bidirectional AC/DC converter alternating current side circuit breaker 21 and a bidirectional AC/DC converter direct current side circuit breaker 22, the bidirectional AC/DC converter alternating current side circuit breaker 21 of the second bidirectional AC/DC converter 2 is connected with a second upper-level distribution transformer, and the bidirectional AC/DC converter direct current side circuit breaker 22 is connected with the direct current bus 3.
The first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2 are both connected with a control protection system 10, power distribution can be carried out between the first bidirectional AC/DC converter and the second bidirectional AC/DC converter through the control protection system 10, and the magnitude of commercial power obtained by the two AC/DC converters from a superior distribution transformer or new energy power can be determined.
The direct current sides of the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2 are connected with a direct current bus 3, so that alternating current is converted into direct current conveniently.
The direct current bus 3 is connected with the direct current sides of the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2, and is connected with the direct current sides of the DC/DC fan converter 4, the DC/DC photovoltaic converter 5, the DC/DC photovoltaic converter 6, the bidirectional energy storage DC/DC converter 7, the bidirectional DC/DC charging pile 8 and the unidirectional DC/AC converter 10.
The DC/DC fan converter 4 is connected with the DC bus 3 at the output DC side and connected with the wind turbine generator at the input DC side for transmitting wind power energy to the DC bus 3;
the input sides of the first DC/DC photovoltaic converter 5 and the second DC/DC photovoltaic converter 6 are connected with a photovoltaic power supply, and the output sides are connected with the direct current bus 3 and used for transmitting photovoltaic power generation energy to the direct current bus 3;
the input side of the bidirectional energy storage DC/DC converter 7 is connected with the energy storage, and the output side of the bidirectional energy storage DC/DC converter is connected with the direct current bus 3 and used for realizing the functions of charging and discharging energy by the energy storage;
the input side of the bidirectional DC/DC charging pile 8 is connected with the electric automobile, and the output side of the bidirectional DC/DC charging pile is connected with the direct current bus 3, so that the charging and discharging functions of the battery of the electric automobile can be realized;
the unidirectional DC/AC converter 10 is connected with an alternating current load and is used for supplying energy to the alternating current load;
the control protection system 10 is connected to the controllers of the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2 through an optical fiber, and is configured to acquire powers of the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2, perform power distribution between the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2 according to the acquired information, and perform DC voltage control on DC sides of the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2.
The control protection system 10 is communicated with a DC/DC fan converter 4, a first DC/DC photovoltaic converter 5, a second DC/DC photovoltaic converter 6, a bidirectional energy storage DC/DC converter 7, a bidirectional DC/DC charging pile 8 and a unidirectional DC/AC converter 9 through optical fibers to obtain electric quantity power generated by the fan and the photovoltaic, the maximum stored power and actual power of stored energy and the number and power of the charging piles used for carrying out on-site optimization on new energy generated energy, stored energy and the alternating current load of the charging piles, the generated energy of the fan and the photovoltaic firstly meets the alternating current load, the direct current charging pile and the direct current load, redundant electric quantity preferentially charges the stored energy, after the stored energy is fully charged, power distribution is carried out between the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2, the first bidirectional AC/DC converter 1 and the second bidirectional AC/DC converter 2 are sent to a superior power grid, when wind and light output is smaller than the power consumption demand of the superior load, the control protection system preferentially supplies power through the stored energy, if the stored energy and the wind and light output cannot meet the load demand, the bidirectional AC/DC converter calculates the bidirectional commercial power of the first AC/DC converter 1 and the second AC/DC converter to carry out power taking from the new energy, and the bidirectional AC/DC converter 2 according to the new energy, and the load demand.
The control protection system 10 includes a control protection device and a communication module. The control protection system 10 is connected with the DC/DC module controller or the AC/DC module controller through an optical fiber, a power control command of the control protection system 10 is issued to each converter under a normal condition, and fault information of each port is judged through the control protection system 10 under a fault condition, so that a decision is made to jump off a relevant breaker in a centralized manner, and fault isolation is realized.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may still be made without departing from the scope of the invention, which is intended to be covered by the claims.
Claims (9)
1. An energy router system adapted for a zero carbon building, comprising: the direct current bus is connected with the direct current sides of the first bidirectional AC/DC converter and the second bidirectional AC/DC converter, and is simultaneously connected with the direct current sides of the DC/DC fan converter, the DC/DC photovoltaic converter, the bidirectional energy storage DC/DC converter and the unidirectional DC/AC converter.
2. The zero-carbon building-adapted energy router system of claim 1, wherein: the first bidirectional AC/DC converter comprises a bidirectional AC/DC converter alternating current side circuit breaker and a bidirectional AC/DC converter direct current side circuit breaker, the bidirectional AC/DC converter alternating current side circuit breaker of the first bidirectional AC/DC converter is connected with the first upper-level distribution transformer, and the bidirectional AC/DC converter direct current side circuit breaker is connected with the direct current bus.
3. The zero-carbon building-adapted energy router system of claim 1, wherein: the second bidirectional AC/DC converter comprises a bidirectional AC/DC converter alternating current side circuit breaker and a bidirectional AC/DC converter direct current side circuit breaker, the bidirectional AC/DC converter alternating current side circuit breaker of the second bidirectional AC/DC converter is connected with the second upper-level distribution transformer, and the bidirectional AC/DC converter direct current side circuit breaker is connected with the direct current bus.
4. The zero-carbon building-adapted energy router system of claim 1, wherein: and the DC/DC fan converter is connected with the DC bus at the output DC side and the wind turbine generator at the input DC side for transmitting the wind power energy to the DC bus.
5. The zero-carbon building-adapted energy router system of claim 1, wherein: and the input side of the DC/DC photovoltaic converter is connected with a photovoltaic power supply, and the output side of the DC/DC photovoltaic converter is connected with the direct current bus and used for transmitting photovoltaic power generation energy to the direct current bus.
6. The zero-carbon building-adapted energy router system of claim 1, wherein: the input side of the bidirectional energy storage DC/DC converter is connected with the energy storage, and the output side of the bidirectional energy storage DC/DC converter is connected with the direct current bus, so that the charging and discharging functions of the energy storage on the energy can be realized.
7. The zero-carbon building-adapted energy router system of claim 1, wherein: the bidirectional DC/DC charging pile is characterized in that the input side of the bidirectional DC/DC charging pile is connected with an electric automobile, and the output side of the bidirectional DC/DC charging pile is connected with a direct current bus for realizing the charging and discharging functions of an electric automobile battery.
8. The zero-carbon building-adapted energy router system of claim 1, wherein: the unidirectional DC/AC converter is connected with an alternating current load and is used for supplying energy to the alternating current load.
9. The zero-carbon building-adapted energy router system of claim 1, wherein: the control protection system is connected with the controllers of the first bidirectional AC/DC converter and the second bidirectional AC/DC converter through optical fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222209948.0U CN218124324U (en) | 2022-08-22 | 2022-08-22 | Energy router system suitable for zero-carbon building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222209948.0U CN218124324U (en) | 2022-08-22 | 2022-08-22 | Energy router system suitable for zero-carbon building |
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| CN218124324U true CN218124324U (en) | 2022-12-23 |
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| CN202222209948.0U Active CN218124324U (en) | 2022-08-22 | 2022-08-22 | Energy router system suitable for zero-carbon building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117318059A (en) * | 2023-11-28 | 2023-12-29 | 北京新城绿源科技发展有限公司 | Light storage alternating current-direct current mixing system suitable for city updating building |
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2022
- 2022-08-22 CN CN202222209948.0U patent/CN218124324U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117318059A (en) * | 2023-11-28 | 2023-12-29 | 北京新城绿源科技发展有限公司 | Light storage alternating current-direct current mixing system suitable for city updating building |
| CN117318059B (en) * | 2023-11-28 | 2024-04-09 | 北京新城绿源科技发展有限公司 | Light storage alternating current-direct current mixing system suitable for city updating building |
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