CN206388228U - A kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system - Google Patents
A kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system Download PDFInfo
- Publication number
- CN206388228U CN206388228U CN201720012454.XU CN201720012454U CN206388228U CN 206388228 U CN206388228 U CN 206388228U CN 201720012454 U CN201720012454 U CN 201720012454U CN 206388228 U CN206388228 U CN 206388228U
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- bus
- direct current
- micro
- gas turbine
- photovoltaic
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000005057 refrigeration Methods 0.000 claims description 16
- 238000003491 array Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000002918 waste heat Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 11
- 241000196324 Embryophyta Species 0.000 description 9
- 238000005485 electric heating Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
Alternating current-direct current mixing micro-capacitance sensor system is interconnected the utility model proposes a kind of multipotency, belong to micro-grid and distribute field rationally, the utility model is mainly based on isolated power grid, the method interconnected in whole isolated network using the multipotency of cold, heat and electricity triple supply is fully utilized come the amount of making it possible to, reduce being incorporated to and the impact to bulk power grid for multiple micro- sources so that energy is more reasonably utilized;In order to solve the switching problem of alternating current-direct current, alternating current-direct current mixing microgrid is constructed, DC load and AC load can be met simultaneously, and reduce the loss of the system power caused by multiple conversion.
Description
Technical field
The utility model belongs to micro-grid and distributes field rationally, and in particular to a kind of multipotency interconnection alternating current-direct current mixing
Micro-grid system.
Background technology
With the continuous growth to electricity needs, new micro-capacitance sensor has obtained rapid development;Micro-capacitance sensor refers to by dividing
The miniature electric power system that cloth TRT, energy storage device, energy conversion device and load are constituted, it both can be with large-scale power grid
It is connected and is run with grid-connect mode, can also be run with island mode, both of which can be changed mutually under usual circumstances, ensures
The reliability of system power supply;But at present micro-capacitance sensor there is also it is very big the problem of, the cost of the storage of such as micro-capacitance sensor is very high, big
Amount micro- source is by bus and is connected to bulk power grid, can have certain impact to bulk power grid so that bulk power grid be unable to even running, load
AC load is not only existed and also there is DC load, when being powered for DC load, it is necessary to which alternating current is transformed into HVDC
Electricity, then high voltage direct current is converted into low-voltage DC, multiple conversion can cause the loss of system power.
Utility model content
In view of the shortcomings of the prior art, alternating current-direct current mixing micro-capacitance sensor system is interconnected the utility model proposes a kind of multipotency,
To reach the purpose powered directly to AC load and DC load, it is to avoid the loss caused by alternating current-direct current switching.
A kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system, including wind power generation system, the first photovoltaic generating system, combustion
Gas-turbine function system, the first batteries and direct current micro-grid system;
Described wind power generation system includes multiple wind-driven generators and multiple two-way inverters, and wind-driven generator passes through double
To inverter incoming transport bus;
The first described photovoltaic generating system includes multiple photovoltaic arrays and multiple choppers, and photovoltaic array is by cutting+ripple
Device incoming transport bus;
Described gas turbine function system include gas turbine, generator, frequency converter, distributor, refrigeration plant and
Control device, heating equipment and control device, the first output end of gas turbine connect the input of generator, and generator passes through
Frequency converter incoming transport bus, the second output end of gas turbine connects the input of distributor, the output end of distributor
Connect refrigeration plant and control device input and heating equipment and control device input;
The first described batteries pass through chopper incoming transport bus;
Described direct current micro-grid system includes direct-current charging post, the second photovoltaic generating system and the second batteries;
Described direct-current charging post includes multiple DC charging motors and multiple choppers, and DC charging motor passes through copped wave
Device accesses dc bus;
The second described photovoltaic generating system includes multiple photovoltaic arrays and multiple choppers, and photovoltaic array passes through chopper
Access dc bus;
The second described batteries access dc bus by chopper;
Described ac bus passes through step-up transformer, and dc bus is connected by two-way inverter.
The utility model advantage:
Alternating current-direct current mixing micro-capacitance sensor system is interconnected the utility model proposes a kind of multipotency, the capacity and economy of system is reached
Optimization is arrived;The utility model is mainly based on isolated power grid, mutual using the multipotency of cold, heat and electricity triple supply in whole isolated network
The method of connection is fully utilized come the amount of making it possible to, and reduces being incorporated to and the impact to bulk power grid for multiple micro- sources so that
Energy is more reasonably utilized;In order to solve the switching problem of alternating current-direct current, alternating current-direct current mixing microgrid is constructed, can meet straight simultaneously
Stream load and AC load, and reduce the loss of the system power caused by multiple conversion.
Brief description of the drawings
Fig. 1 interconnects alternating current-direct current mixing micro-capacitance sensor system structure diagram for a kind of multipotency of embodiment of the utility model;
Fig. 2 is the refrigeration and control device structural representation of a kind of embodiment of the utility model;
Fig. 3 is heated and control device structural representation for a kind of embodiment of the utility model.
Embodiment
A kind of embodiment of the utility model is described further below in conjunction with the accompanying drawings.
In the utility model embodiment, as shown in figure 1, multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system, including wind energy hair
Electric system, the first photovoltaic generating system, gas turbine function system, the first batteries and direct current micro-grid system;Described wind
Energy electricity generation system includes multiple wind-driven generators and multiple two-way inverter AC/DC/AC, and wind-driven generator passes through two-way inverter
AC/DC/AC incoming transport buses AC--BUS;The first described photovoltaic generating system includes multiple photovoltaic arrays and multiple copped waves
Device DC/DC, photovoltaic array passes through chopper DC/DC incoming transport buses AC--BUS;Described gas turbine function system includes
Gas turbine, generator, frequency converter A C/AC, distributor, refrigeration plant and control device, heating equipment and control device, combustion
First output end of gas-turbine connects the input of generator, and generator passes through frequency converter A C/AC incoming transport buses AC--
BUS, the second output end of gas turbine connects the input of distributor, the output end connection refrigeration plant of distributor and control
Device input and heating equipment and control device input processed;The first described batteries are accessed by chopper DC/DC
Ac bus AC--BUS;Described direct current micro-grid system includes direct-current charging post, the second photovoltaic generating system and the second battery
Group;Described direct-current charging post includes multiple DC charging motors and multiple chopper DC/DC, and DC charging motor passes through copped wave
Device DC/DC accesses dc bus;The second described photovoltaic generating system includes multiple photovoltaic arrays and multiple chopper DC/DC,
Photovoltaic array accesses dc bus DC--BUS by chopper DC/DC;The second described batteries pass through chopper DC/DC
Access dc bus DC--BUS;Described ac bus AC--BUS passes through step-up transformer, is connected by two-way inverter DC/AC
Dc bus DC--BUS is met, ac bus AC--BUS is connected with each other by common link point PCC and bulk power grid;
In the utility model embodiment, as shown in Fig. 2 described refrigeration and control device it is main by turbine, compressor,
Accumulator is put, adjusts flow device, controller, changes cold air, electric refrigeration plant, water knockout drum, water collector composition;Distributor and turbine
It is connected, the turbine compressor that is connected with compressor is put with accumulator and adjusts flow device to be connected, controller freezes with electricity
Equipment and tune flow device are connected, and adjust flow device and electric refrigeration plant to be connected with cold-exchange, last water knockout drum and cold bus
It is connected;
In the utility model embodiment, described refrigeration plant and control device mainly uses gas turbine waste heat, enters
The energy of combustion gas is converted into mechanical work by the waste heat for entering refrigeration plant and control device by turbine, is driven compressor and then is carried
High gas pressure, changes into cold, the cold that compressor is produced need to be by adjusting flow device, and its main purpose is according to cold by waste heat
Energy required for load controls uninterrupted;Cold energy enters water knockout drum by cold quantity transmission to cold negative by changing cold air
Lotus, if the energy that refrigeration duty needs is not enough, controller will control accumulator to put and electric refrigeration plant generation cold energy, carry out energy
Amount balance;If the cold energy that compressor is produced is excessive, cold energy storage is put to accumulator by controller.Water is used as cold energy
The carrier transmission cold energy of amount flows through refrigeration duty, and water flows through after refrigeration duty by water collector, changes cold air by remaining cold energy
Turbine is flowed into be circulated;
In the utility model embodiment, heated and control device is main by waste heat boiler, heat accumulation as shown in figure 3, described
Device, tune flow device, controller, exchanging air, electric heating equipment, water knockout drum, water collector composition;Distributor and waste heat boiler phase
Connection, waste heat boiler is connected with heat-storing device and tune flow device, and controller is connected with electric heating equipment and tune flow device
Connect, adjust flow device and electric heating equipment to be connected with heat exchanger, last water knockout drum is connected with hot bus;
It is described to heat and control device mainly uses gas turbine waste heat in the utility model embodiment, into system
The energy of combustion gas is converted into heat energy by the waste heat of heat by waste heat boiler, the heat that waste heat boiler is produced need to by adjusting flow device,
Its main purpose is the energy according to required for thermic load to control uninterrupted.Thermal energy enters water knockout drum by exchanging air
Thermic load is delivered heat to, if the energy that thermic load needs is not enough, controller will control heat-storing device and electric heating equipment
Thermal energy is produced, energy balance is carried out;If the thermal energy that waste heat boiler is produced is excessive, thermal energy storage is arrived by controller
Heat-storing device.Water flows through thermic load as the carrier transmission thermal energy of thermal energy, and water flows through thermic load later will by exchanging air
Remaining thermal energy is flowed into waste heat boiler and circulated.
Claims (1)
1. a kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system, it is characterised in that sent out including wind power generation system, the first photovoltaic
Electric system, gas turbine function system, the first batteries and direct current micro-grid system;
Described wind power generation system includes multiple wind-driven generators and multiple two-way inverters, and wind-driven generator passes through two-way inverse
Become device incoming transport bus;
The first described photovoltaic generating system includes multiple photovoltaic arrays and multiple inverters, and photovoltaic array is accessed by inverter
Ac bus;
Described gas turbine function system includes gas turbine, generator, frequency converter, distributor, refrigeration plant and control
Device, heating equipment and control device, the first output end of gas turbine connect the input of generator, and generator passes through frequency conversion
Device incoming transport bus, the second output end of gas turbine connects the input of distributor, the output end connection of distributor
Refrigeration plant and control device input and heating equipment and control device input;
The first described batteries pass through inverter incoming transport bus;
Described direct current micro-grid system includes direct-current charging post, the second photovoltaic generating system and the second batteries;
Described direct-current charging post includes multiple DC charging motors and multiple choppers, and DC charging motor is connect by chopper
Enter dc bus;
The second described photovoltaic generating system includes multiple photovoltaic arrays and multiple choppers, and photovoltaic array is accessed by chopper
Dc bus;
The second described batteries access dc bus by chopper;
Described ac bus passes through step-up transformer, and dc bus is connected by two-way inverter.
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CN201720012454.XU CN206388228U (en) | 2017-01-05 | 2017-01-05 | A kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system |
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CN201720012454.XU CN206388228U (en) | 2017-01-05 | 2017-01-05 | A kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106779471A (en) * | 2017-01-05 | 2017-05-31 | 沈阳工业大学 | A kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system and Optimal Configuration Method |
CN107666146A (en) * | 2017-11-20 | 2018-02-06 | 珠海格力电器股份有限公司 | Residential energy sources integrated system |
CN108656999A (en) * | 2018-06-05 | 2018-10-16 | 江苏景源旭新能源科技有限公司 | A kind of two-way charging pile |
CN109768566A (en) * | 2018-11-30 | 2019-05-17 | 天合光能股份有限公司 | A kind of novel friendship directly-heated is electrically coupled mixing microgrid main circuit |
CN112260260A (en) * | 2020-12-18 | 2021-01-22 | 南京怡咖电气科技有限公司 | New energy power generation direct current grid-connected system and control method thereof |
-
2017
- 2017-01-05 CN CN201720012454.XU patent/CN206388228U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106779471A (en) * | 2017-01-05 | 2017-05-31 | 沈阳工业大学 | A kind of multipotency interconnects alternating current-direct current mixing micro-capacitance sensor system and Optimal Configuration Method |
CN106779471B (en) * | 2017-01-05 | 2024-02-09 | 沈阳工业大学 | Multi-energy interconnected AC/DC hybrid micro-grid system and optimal configuration method |
CN107666146A (en) * | 2017-11-20 | 2018-02-06 | 珠海格力电器股份有限公司 | Residential energy sources integrated system |
CN108656999A (en) * | 2018-06-05 | 2018-10-16 | 江苏景源旭新能源科技有限公司 | A kind of two-way charging pile |
CN109768566A (en) * | 2018-11-30 | 2019-05-17 | 天合光能股份有限公司 | A kind of novel friendship directly-heated is electrically coupled mixing microgrid main circuit |
CN112260260A (en) * | 2020-12-18 | 2021-01-22 | 南京怡咖电气科技有限公司 | New energy power generation direct current grid-connected system and control method thereof |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170808 Termination date: 20210105 |