CN206878548U - A kind of distributed generation system for thering is the quality of power supply to support to priority loads - Google Patents
A kind of distributed generation system for thering is the quality of power supply to support to priority loads Download PDFInfo
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- CN206878548U CN206878548U CN201720588496.8U CN201720588496U CN206878548U CN 206878548 U CN206878548 U CN 206878548U CN 201720588496 U CN201720588496 U CN 201720588496U CN 206878548 U CN206878548 U CN 206878548U
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- power source
- inverter
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- voltage
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- 230000003068 static effect Effects 0.000 claims abstract description 35
- 238000004146 energy storage Methods 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Stand-By Power Supply Arrangements (AREA)
Abstract
It the utility model is related to a kind of distributed generation system for thering is the quality of power supply to support to priority loads, belong to technical field of electric power, the distributed generation system includes circuit I, circuit II, switch state controller, circuit I includes distributed generation system I, flywheel energy storage system I, dc bus I, inverter I, rectifier I, uninterrupted power source I, voltage transformer I, voltage changeover switch I, bypass static switch I, circuit II includes distributed generation system II, flywheel energy storage system II, dc bus II, inverter II, rectifier II, uninterrupted power source II, voltage transformer II, voltage changeover switch II, bypass static switch II；The utility model controls bypass static switch when mains power failure is out of service using controller, realize stand-by power supply ultrahigh speed is soft and network process, ensure the priority loads quality of power supply and power supply reliability.
Description
Technical field
A kind of distributed generation system for having the quality of power supply to support to priority loads is the utility model is related to, belongs to electric power
Technical field.
Background technology
With the proposition of intelligent grid, the requirement of the power supply reliability and the quality of power supply of user is improving constantly, distributed
Electricity generation system is more and more applied among power system, when main power source break down, stand-by power supply should have electric power without
The ability of conversion is stitched, or the energy of storage should tackle any power failure enough, until main power source or stand-by power supply recover.Pass through distribution
The use and its grid-connected reliability and the quality of power supply that can improve quality power market that formula generates electricity, distributed power generation passes through active
The improvement of collection paired reliability and the quality of power supply of the distribution network in the form of micro-capacitance sensor has significant impact.
Utility model content
The problem of the utility model exists for prior art, there is provided a kind of to have what the quality of power supply was supported to priority loads
Distributed generation system, the system are applied to require the quality of power supply in high priority loads, such as communications facility, financial machine
Structure, medical health facility, manufacture and basic service industry；Distributed generation system (DG), flywheel energy storage system, power network in system
It can complement one another, improve the reliability of power supply, ensure the quality of power supply.
The utility model is to solve the technical scheme that uses of its technical problem：
A kind of distributed generation system for thering is the quality of power supply to support to priority loads（DG）, including circuit I, circuit II,
Switch state controller, circuit I include distributed generation system（DG）Ith, flywheel energy storage system I, dc bus I, inverter I,
Rectifier I, uninterrupted power source（UPS）Ith, voltage transformer I, voltage changeover switch I, bypass static switch I, circuit II include dividing
Cloth electricity generation system（DG）IIth, flywheel energy storage system II, dc bus II, inverter II, rectifier II, uninterrupted power source
（UPS）IIth, voltage transformer II, voltage changeover switch II, bypass static switch II；
Distributed generation system（DG）Ith, flywheel energy storage system I is connected by rectifier I with dc bus I, dc bus I
It is connected by electric wire with inverter I, inverter I passes through electric wire and uninterrupted power source（UPS）I connection, voltage transformer I are arranged on
Inverter I and uninterrupted power source（UPS）Between I, uninterrupted power source（UPS）I passes through voltage changeover switch I and priority loads I
Connection, power network I access uninterrupted power source by breaker I（UPS）I, one end of bypass static switch I passes through electric wire and inverter
II alternating current outlet connection, the other end are connected with priority loads I；
Distributed generation system（DG）IIth, flywheel energy storage system II is connected by rectifier II with dc bus II, direct current
Bus II is connected by electric wire with inverter II, and inverter II passes through electric wire and uninterrupted power source（UPS）II connection, mutual induction of voltage
Device II is arranged on inverter II and uninterrupted power source（UPS）Between II, uninterrupted power source（UPS）II passes through voltage changeover switch II
It is connected with priority loads II, power network II accesses uninterrupted power source by breaker II（UPS）II, the one of bypass static switch II
End is connected by the alternating current outlet of electric wire and inverter I, and the other end is connected with priority loads II；
Voltage transformer I, voltage transformer II, voltage changeover switch I, voltage changeover switch II, bypass static switch I,
Bypass static switch II is connected with switch state controller.
The uninterrupted power source（UPS）The load type connected is non-priority load, in the distributed generation system
Preferentially it is removed during in isolated power grid；
The bypass static switch is made up of three groups of forward and reverse controllable silicon SCRs in parallel of fuse series connection, and fuse ensures
Reliable overload protection is provided in the case of any calamitous output, bypass static switch allows for supporting what is entirely loaded
Capacity；
The switch state controller is conventional controller, in a conventional manner control voltage switching switch and bypass static
The state of switch；
The circuit I, circuit II stand-by power supply each other, i.e., when circuit I is main power source, circuit II is stand-by power supply；Circuit
II when being main power source, and circuit I is stand-by power supply；
Switch state controller gathers main power source side voltage and standby electricity by voltage transformer I and voltage transformer II
Source side voltage signal, the state of bypass static switch I and bypass static switch II is controlled to realize the soft and network process of stand-by power supply,
Ensure the priority loads quality of power supply and power supply reliability, control voltage switching switch motion, ensure that stand-by power supply is not sent by counter
Enter the main power source to break down or the uninterrupted power source that internal fault occurs（UPS）Interior, isolated fault system ensures electricity generation system
Security；
The course of work of the present utility model：During system normal operation, two sets of electricity generation systems of circuit 1 and circuit 2 are independently transported
Row and standby each other, power network does not access electricity generation system, because voltage flicker caused by distributed generation system, voltage swell/drop,
Cross/under-voltage will realize comprehensive compensation by flywheel energy storage, inverter, UPS, when the distrbuted electricity generation system hair in main power source
When the electric energy of the priority loads offer stabilization of the set system occurs to continue as during internal fault for raw failure or UPS, voltage
Switch controller will start, and realize that ultrahigh speed is grid-connected using static switch in 4ms, complete a power supply to another power supply
Seamless switching, while main power source is isolated.
The beneficial effects of the utility model：
（1）Supply voltage is sent out in the distributed generation system of the present utility model for having the quality of power supply to support to priority loads
Raw failure does not consume other electric powers；
（2）The distributed generation system of the present utility model for having the quality of power supply to support to priority loads can ensure preferentially
The power supply reliability and the quality of power supply of stage load；
（3）Voltage flicker, voltage swell/drop, mistake/under-voltage, this reality caused by the utility model distributed generation system
It can pass through the flywheel energy storage in system, inverse with the new distributed generation system for thering is the quality of power supply to support to priority loads
Change device, UPS realize comprehensive compensation, ensure the quality of power supply requirement of load；
（4）The utility model is out of service in mains power failure using voltage switching controller control bypass static switch
When, realize stand-by power supply ultrahigh speed is soft and network process, ensure the priority loads quality of power supply and power supply reliability, control voltage
Switch switch motion, ensure that stand-by power supply is not sent into instead in the main power source to break down or the UPS that internal fault occurs, isolation
Failure system ensures the security of electricity generation system；
（5）The distributed generation system of the present utility model for having the quality of power supply to support to priority loads is applied to electric energy
The high priority loads of quality requirement, such as communications facility, financial institution, medical health facility, manufacture and basic service industry.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment；
Fig. 2 is the schematic diagram of the bypass static switch of the utility model embodiment.
Embodiment
With reference to embodiment, the utility model is described in further detail.
Embodiment 1：As shown in Figure 1 and 2, a kind of distributed generation system for thering is the quality of power supply to support to priority loads
（DG）, including circuit I, circuit II, switch state controller, circuit I include distributed generation system（DG）Ith, flywheel energy storage system
System I, dc bus I, inverter I, rectifier I, uninterrupted power source（UPS）Ith, voltage transformer I, voltage changeover switch I, bypass
Static switch I, circuit II include distributed generation system（DG）IIth, flywheel energy storage system II, dc bus II, inverter II,
Rectifier II, uninterrupted power source（UPS）IIth, voltage transformer II, voltage changeover switch II, bypass static switch II；
Distributed generation system（DG）Ith, flywheel energy storage system I is connected by rectifier I with dc bus I, dc bus I
It is connected by electric wire with inverter I, inverter I passes through electric wire and uninterrupted power source（UPS）I connection, voltage transformer I are arranged on
Inverter I and uninterrupted power source（UPS）Between I, uninterrupted power source（UPS）I passes through voltage changeover switch I and priority loads I
Connection, power network I access uninterrupted power source by breaker I（UPS）I, one end of bypass static switch I passes through electric wire and inverter
II alternating current outlet connection, the other end are connected with priority loads I；
Distributed generation system（DG）IIth, flywheel energy storage system II is connected by rectifier II with dc bus II, direct current
Bus II is connected by electric wire with inverter II, and inverter II passes through electric wire and uninterrupted power source（UPS）II connection, mutual induction of voltage
Device II is arranged on inverter II and uninterrupted power source（UPS）Between II, uninterrupted power source（UPS）II passes through voltage changeover switch II
It is connected with priority loads II, power network II accesses uninterrupted power source by breaker II（UPS）II, the one of bypass static switch II
End is connected by the alternating current outlet of electric wire and inverter I, and the other end is connected with priority loads II；
Voltage transformer I, voltage transformer II, voltage changeover switch I, voltage changeover switch II, bypass static switch I,
Bypass static switch II is connected with switch state controller.
Uninterrupted power source（UPS）The load type connected is non-priority load, is in the distributed generation system
Preferentially it is removed during isolated power grid；
Bypass static switch is made up of three groups of forward and reverse controllable silicon SCRs in parallel of fuse series connection, and fuse ensures in office
Reliable overload protection is provided in the case of what calamitous output, bypass static switch allows for supporting the appearance entirely loaded
Amount；
Switch state controller is conventional controller, in a conventional manner control voltage switching switch and bypass static switch
State；
Circuit I, circuit II stand-by power supply each other, i.e., when circuit I is main power source, circuit II is stand-by power supply；Circuit II is
During main power source, circuit I is stand-by power supply；
Switch state controller gathers main power source side voltage and standby electricity by voltage transformer I and voltage transformer II
Source side voltage signal, can not be after when the distrbuted electricity generation system in main power source breaks down or internal fault occurs by UPS
When the priority loads continued for the set system provide stable electric energy, control bypass static switch realizes stand-by power supply in 4ms
Ultrahigh speed is soft and network process, ensure the priority loads quality of power supply and power supply reliability.
Switch state controller can control the state of bypass static switch I and bypass static switch II to realize stand-by power supply
Soft and network process, ensure the priority loads quality of power supply and power supply reliability, control voltage switching switch motion, ensure standby electricity
The uninterrupted power source that source is not sent into the main power source to break down instead or internal fault occurs（UPS）Interior, isolated fault system is protected
Demonstrate,prove the security of electricity generation system.
Voltage flicker, voltage swell/drop, mistake/under-voltage caused by distributed generation system can be stored up by the flywheel in system
Energy, inverter, UPS realize comprehensive compensation, ensure the quality of power supply requirement of load.
Specific embodiment of the utility model is explained in detail above in conjunction with accompanying drawing, but the utility model and unlimited
In above-described embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from
Various changes can be made on the premise of objective.
Claims (1)
- A kind of 1. distributed generation system for thering is the quality of power supply to support to priority loads, it is characterised in that：Including circuit I, line Road II, switch state controller, circuit I include distributed generation system I, flywheel energy storage system I, dc bus I, inverter I, Rectifier I, uninterrupted power source I, voltage transformer I, voltage changeover switch I, bypass static switch I, circuit II include distribution Electricity generation system II, flywheel energy storage system II, dc bus II, inverter II, rectifier II, uninterrupted power source II, mutual induction of voltage Device II, voltage changeover switch II, bypass static switch II；Distributed generation system I, flywheel energy storage system I are connected by rectifier I with dc bus I, and dc bus I passes through electric wire Be connected with inverter I, inverter I is connected by electric wire with uninterrupted power source I, voltage transformer I be arranged on inverter I and not between Between power-off source I, uninterrupted power source I is connected by voltage changeover switch I with priority loads I, and power network I is connect by breaker I Enter uninterrupted power source I, one end of bypass static switch I is exported by the alternating current of electric wire and inverter II to be connected, the other end with Priority loads I connect；Distributed generation system II, flywheel energy storage system II are connected by rectifier II with dc bus II, and dc bus II is logical Cross electric wire to be connected with inverter II, inverter II is connected by electric wire with uninterrupted power source II, and voltage transformer II is arranged on inverse Become between device II and uninterrupted power source II, uninterrupted power source II is connected by voltage changeover switch II with priority loads II, electricity Net II accesses uninterrupted power source II by breaker II, and one end of bypass static switch II is exchanged by electric wire and inverter I Electricity outlet connection, the other end are connected with priority loads II；Voltage transformer I, voltage transformer II, voltage changeover switch I, voltage changeover switch II, bypass static switch I, bypass Static switch II is connected with switch state controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588496.8U CN206878548U (en) | 2017-05-25 | 2017-05-25 | A kind of distributed generation system for thering is the quality of power supply to support to priority loads |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720588496.8U CN206878548U (en) | 2017-05-25 | 2017-05-25 | A kind of distributed generation system for thering is the quality of power supply to support to priority loads |
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| CN206878548U true CN206878548U (en) | 2018-01-12 |
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| CN201720588496.8U Expired - Fee Related CN206878548U (en) | 2017-05-25 | 2017-05-25 | A kind of distributed generation system for thering is the quality of power supply to support to priority loads |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832622A (en) * | 2018-06-21 | 2018-11-16 | 衢州杭氧气体有限公司 | A kind of three power transfer device of industrial light |
| CN109103982A (en) * | 2018-10-12 | 2018-12-28 | 国网辽宁省电力有限公司 | The highly reliable uninterruptible power system of four redundancy of dual input |
| CN109687570A (en) * | 2018-12-17 | 2019-04-26 | 国网北京市电力公司 | One kind zero flashes low-voltage distribution system and operating method |
| CN110289680A (en) * | 2019-05-30 | 2019-09-27 | 珠海派诺科技股份有限公司 | Method of supplying power to, the apparatus and system of load |
| CN110797893A (en) * | 2019-11-07 | 2020-02-14 | 国网江苏省电力有限公司电力科学研究院 | Method for distributing electric energy of distributed power supply by participation of mobile energy storage battery |
| CN111555263A (en) * | 2019-02-12 | 2020-08-18 | 维谛技术有限公司 | Power supply circuit |
| CN112580936A (en) * | 2020-11-30 | 2021-03-30 | 江苏科技大学 | Fault isolation and power grid recovery method in medium-voltage direct-current networking ship power grid |
| US10985564B2 (en) | 2018-10-16 | 2021-04-20 | Industrial Technology Research Institute | Electric power-regulating system and method thereof |
-
2017
- 2017-05-25 CN CN201720588496.8U patent/CN206878548U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108832622A (en) * | 2018-06-21 | 2018-11-16 | 衢州杭氧气体有限公司 | A kind of three power transfer device of industrial light |
| CN109103982A (en) * | 2018-10-12 | 2018-12-28 | 国网辽宁省电力有限公司 | The highly reliable uninterruptible power system of four redundancy of dual input |
| US10985564B2 (en) | 2018-10-16 | 2021-04-20 | Industrial Technology Research Institute | Electric power-regulating system and method thereof |
| CN109687570A (en) * | 2018-12-17 | 2019-04-26 | 国网北京市电力公司 | One kind zero flashes low-voltage distribution system and operating method |
| CN109687570B (en) * | 2018-12-17 | 2021-03-02 | 国网北京市电力公司 | Zero-flicker low-voltage power distribution system and operation method |
| CN111555263A (en) * | 2019-02-12 | 2020-08-18 | 维谛技术有限公司 | Power supply circuit |
| CN110289680A (en) * | 2019-05-30 | 2019-09-27 | 珠海派诺科技股份有限公司 | Method of supplying power to, the apparatus and system of load |
| CN110797893A (en) * | 2019-11-07 | 2020-02-14 | 国网江苏省电力有限公司电力科学研究院 | Method for distributing electric energy of distributed power supply by participation of mobile energy storage battery |
| CN112580936A (en) * | 2020-11-30 | 2021-03-30 | 江苏科技大学 | Fault isolation and power grid recovery method in medium-voltage direct-current networking ship power grid |
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