CN104025444A - System linking device - Google Patents
System linking device Download PDFInfo
- Publication number
- CN104025444A CN104025444A CN201280065926.8A CN201280065926A CN104025444A CN 104025444 A CN104025444 A CN 104025444A CN 201280065926 A CN201280065926 A CN 201280065926A CN 104025444 A CN104025444 A CN 104025444A
- Authority
- CN
- China
- Prior art keywords
- power
- transformer
- grid
- electric
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/40—Synchronising a generator for connection to a network or to another generator
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inverter Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Provided is a system linking device that can link to a system of high voltage or extra-high voltage, that prevents loads from connecting between a power conditioner and a linking point with a compact configuration, and that has no power factor lag. A system linking device for supplying power generated by solar power generation or wind power generation to an existing high-voltage power system, characterized in comprising a power conditioner having a reactor and an inverter for converting generated DC power to AC power, a step-up transformer for converting the AC power outputted from the power conditioner to high-voltage power, and a breaker disposed between the step-up transformer and the existing high-voltage power system; the power conditioner, the step-up transformer, and the breaker being disposed in the same enclosure.
Description
Technical field
The present invention relates to the grid-connected device of using of the grid-connected system power supply to existing electric power system of the regenerative resource such as by acquisitions such as solar power generation or wind power generations.
Background technology
In recent years, to prevent that the CO2 of global warming from reducing discharging the background that rises to of the environmental protection consciousnesses such as international cooperation, the universal of solar power system and wind generator system expands gradually.In solar power system, the luminous energy of the sun converts direct current to by solar module, and this direct current converts alternating electromotive force to by the inverter of electric governor.Further, take and coordinate the voltage being used to boost as object, and do not enter in system from the DC component of inverter for making, via the double step-up transformer output of insulation low-voltage alternating-current.Existing dump power purchase system for by the grid-connected low-pressure system (200V～400V) of linking each family or factory of this alternating electromotive force, exceed the system that the dump power of self-consumption amount is bought by Utilities Electric Co..
In patent documentation 1 (TOHKEMY 2010-273489 communique), recorded the structure grid-connected with low-pressure system.Direct current power from solar cell converts alternating electromotive force to by inverter, and the alternating electromotive force after conversion boosts to 200V～400V by transformer, and the alternating electromotive force after this is boosted is supplied with the system power supply to low pressure.And, in patent documentation 1, recorded transformer and inverter packed in same shell, realized the electric governor of miniaturization.
In addition, in the full dose purchase system of the new purchase system as different from existing dump power purchase system, not link the low-pressure system of each family or factory, but directly link high pressure or the extra high voltage system of Utilities Electric Co., carry out the purchase of whole generation power.
In the situation that the structure of linking low-pressure system shown in above-mentioned patent documentation 1 for former state land productivity, be applied to above-mentioned full dose and buy system, can consider the structure shown in Fig. 4.
In Fig. 4, utilize direct current output power that solar module 1 generating obtains to convert alternating electromotive force to by the inverter 3 of electric governor 15, via reactor 4, make waveform become sine wave, by low-tension transformer 18, boost to low-pressure system voltage.And this low-tension transformer 18 is also used as and system between insulation.The alternating electromotive force boosting to after low-pressure system voltage is supplied to step-up transformer 26 by electric wire 5, by step-up transformer 26, boosts to high pressure or superhigh pressure.High-tension electricity after boosting via the VCB (vacuum circuit-breaker) 7 of cutoff high, to high pressure carry out switch DS (isolating switch) 8, VCT (instrument transformer for power supply and demand) 9, PAS (air switch on post: pole mounted air break switch) 10, link high-voltage electric power system 11.On VCT (instrument transformer for power supply and demand) 9, be connected with electric energy meter 12, measure the amount of transmitting electric power of supplying with to electric power system.
At this, electric governor 15 comprises the low-tension transformer 18 with base, therefore be incorporated in shell 16, and step-up transformer 26, VCB (vacuum circuit-breaker) 7, DS (isolating switch) 8 and VCT (instrument transformer for power supply and demand) 9 are incorporated in another shell 17, between two shells 16,17, by electric wire 5, connected.In addition,, in the equipment in transformer capacity below 300kVA, there is the situation that there is no VCB (vacuum circuit-breaker) 7, DS (isolating switch) 8 and replace with not shown LBS (load switch).In addition, exist VCT (instrument transformer for power supply and demand) 9 and electric energy meter 12 not to be accommodated in the situation in shell 17.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2010-273489 communique
Summary of the invention
The problem that invention will solve
As mentioned above, in the situation that former state utilize the structure of linking low-pressure system shown in patent documentation 1, be applied to above-mentioned full dose and buy system, the direct current power of generation is converted to alternating electromotive force electric governor low pressure system, device with take in from low pressure transformation to high pressure or the high pressure of the transformer of superhigh pressure, high and low voltage switch, circuit breaker, various relay or various instrument etc. is that converting equipment is separated equipment, be incorporated in different shells.Therefore, it is large-scale that Whole Equipment becomes, and the power consumption producing in each equipment and the elongated loss that causes of the length of arrangement wire between equipment increase, become and site in the major reason that reduces of generating efficiency.
In addition,, in order to regulate the phase place of the electric power of sale, the phase place of electric governor reading system electric power because systematic electricity is positioned at the position near the output of electric governor, is therefore the situation that is easy to read in low-pressure system.But therefore in high-pressure system, because high-pressure system electric power is in the miscellaneous equipment separated with electric governor, be difficult to read, or for read need to be longer wiring.Further, in the situation that length connects up, between the output of electric governor and the tie point of system, be easy to be connected load, particularly connected in the situation of electric rotating machine load, because making the power factor of tie point, the reactive component of electric rotating machine lags behind, it is large that loss becomes, and being difficult to realize power factor is the operation under 1.
The present invention, in view of the shortcoming of above-mentioned conventional art, provides the grid-connected device of using of system of the compact conformation that can link high pressure or extra high voltage system.
In addition, by adopting compact structure, providing, prevent the grid-connected device of using of system that is connected load, do not have power factor to lag behind between electric governor and tie point.
For solving the scheme of problem
In order to solve described problem, the present invention is that a kind of system is grid-connected with device, the generation power of solar power generation or wind power generation is supplied to existing high-voltage electric power system, it is characterized in that, comprising: there is the direct current power that generating is produced and convert the inverter of alternating electromotive force and the electric governor of reactor to; Alternating electromotive force from described electric governor output is converted to the step-up transformer of high-tension electricity; And being configured in the circuit breaker between described step-up transformer and existing high-voltage electric power system, described electric governor, step-up transformer and circuit breaker are configured in same shell.
In addition, as grid-connected in the system of above-mentioned record with device, it is characterized in that: further, the instrument that is connected to the high-voltage electric power system side of described circuit breaker is also configured in described shell with transformer and electric energy meter.
In addition, as grid-connected in the system of above-mentioned record with device, it is characterized in that: in described electric governor, inverter is configured in top, described shell front one side, and described reactor is configured in the inside side lower part of described shell.
In addition, the device of using as grid-connected in the system of above-mentioned record, is characterized in that: described shell consists of a plurality of casings, the inverter of described electric governor and described reactor are configured in same casing.
In addition, as grid-connected in the system of above-mentioned record with device, it is characterized in that: described electric governor and described step-up transformer be configuration discretely on same shell internal space.
In addition, the device of using as grid-connected in the system of above-mentioned record, is characterized in that: described shell consists of a plurality of casings, described electric governor and described step-up transformer are configured in different casings.
In addition, as grid-connected in the system of above-mentioned record with device, it is characterized in that: described step-up transformer and described circuit breaker are configured in same casing.
In addition, the device of using as grid-connected in the system of above-mentioned record, is characterized in that: described shell consists of a plurality of casings, described instrument is configured in same casing with transformer and electric energy meter.
In addition, as grid-connected in the system of above-mentioned record with device, it is characterized in that: further, be equipped with in the enclosure the power phase that detects the high-voltage electric power system in described shell the power phase checkout gear that provides it to described electric governor.
In addition, as grid-connected in the system of above-mentioned record with device, it is characterized in that: described power phase checkout gear detects power phase from the electric wire of the high-voltage electric power system side of described circuit breaker.
Invention effect
By the present invention, can form compactly the grid-connected device of using of system of linking high-pressure system, can suppress power consumption, improve generating efficiency.And, can prevent that the power factor on tie point from lagging behind.
Accompanying drawing explanation
Fig. 1 is the block diagram of the grid-connected structure with device of the system of the embodiment of the present invention.
Fig. 2 is the installation diagram of the grid-connected configuration of the equipment with device of same system.
Fig. 3 is the block diagram that the power phase of same electric governor is adjusted.
Fig. 4 is the grid-connected structured flowchart with device of the grid-connected system with the resulting high pressure of device of system that utilizes low pressure.
Embodiment
For embodiments of the invention, describe together with accompanying drawing below.Fig. 1 is the grid-connected structure example with device of the system of the present embodiment, and the part identical with Fig. 4 is accompanied by identical mark.
The direct current output power being produced by solar module 1 converts alternating electromotive force to by the inverter 3 in electric governor 2, converts ripple to form sinusoidal wave alternating electromotive force via reactor 4.Alternating electromotive force is transported to step-up transformer 6 via conductor (electric wire) 5.Step-up transformer 6 is to convert the alternating electromotive force of the low pressure of electric governor 2 outputs (for example 200V is following) transformer of high pressure (for example 6.6KV) or superhigh pressure to, and plays the effect of insulating transformer.
Vacuum circuit-breaker) 7, DS (isolating switch) 8, obtain VCT (instrument transformer for power supply and demand) 9, the PAS (air switch post) 10 of the signal of electric power amount from power line the electric power that is boosted to high pressure or superhigh pressure by step-up transformer 6 is via electric wire 19, circuit breaker (VCB:, link high-voltage electric power system 11.Circuit breaker (VCB: vacuum circuit-breaker) when 7 short circuits in high-pressure system or earth fault etc. by step-up transformer 6 and connect electric wire and cut off and protect from high-pressure system.VCT9 is connected to electric energy meter 12, measures the amount of transmitting electric power (selling electric power amount) of supplying with to electric power system.
Above, electric governor 2 forms the device of low-pressure system, from the device of step-up transformer 6 to VCT9 and electric energy meter 12 formation high-pressure systems.
Wire length is longer, and the power consumption consuming in electric wire is larger, makes conductor 5 short can reducing the wastage as much as possible.Yet; usually electric governor 2 consists of inverter 3 electronic units such as grade; needing protection, it is not subject to the impact of dust, high humidity, high temperature; and relatively step-up transformer 6 sometimes in the outdoor application that is exposed to dust, high humidity, high temperature; service condition is different; conventionally be incorporated in different shells, be therefore difficult to shorten wiring distance.Especially, because the caloric value of electric governor 2 and step-up transformer 6 is all larger, so be accommodated in, in the situation in shell, need to possess refrigerating function the temperature in shell is not reached a high temperature.
Therefore, in the present embodiment, the device of above-mentioned low pressure system and high pressure system is accommodated in same shell.That is, in Fig. 1,13 is shell, has taken in electric governor 2, conductor 5, step-up transformer 6, VCB7, DS8, VCT (instrument transformer for power supply and demand) 9 and electric energy meter 12.In addition, in the device of transformer capacity below 300kVA, the available protection of circuit and the load switch of the switch (LBS: load switch) replace VCB (vacuum circuit-breaker) 7, DS (isolating switch) 8 of carrying out.Load switch, by built-in fuse protective circuit, plays the effect of circuit breaker and switch (isolating switch).
In addition, VCT (instrument transformer for power supply and demand) 9 and electric energy meter 12 also can not be accommodated in shell 13.
Then, utilize the grid-connected installation of using the equipment configuration of device of system of the block diagram of Fig. 2 key diagram 1.The front view that Fig. 2 (a) shows for cutting a part open, the end view that Fig. 2 (b) shows for cutting a part open.Shell 13 forms by connecting a plurality of rectangular box 13a～13c.The border of each casing does not have wall, and in addition, the outer wall of each casing is door to be opened/closed, makes to be easy to the operation respectively of each casing when safeguarding or set.
In the casing 13a on right side, configure electric governor 2, and configured step-up transformer 6, VCB7 and DS8 in the casing 13b of this casing 13a adjacency, in the casing 13c of adjacency, configured VCT9, electric energy meter 12 further.The top of casing 13a and casing 13b arranges ventilation fan 14, by the heat of electric governor 2 and step-up transformer 6 generations being discharged to the outside of shell 13, enclosure can not reached a high temperature.Whole caloric value hour also can be omitted a ventilation fan 14.In this case, omit the ventilation fan 14 of casing 13b, leave the ventilation fan 14 of the casing 13a of the electric governor 2 that caloric value is larger.
About casing 13a, in order to make operator be easy to carry out operation when inverter 3 being safeguarded or set, desired configuration is on the top in the front of shell 13 (front panel), but because quality is larger, center of gravity uprises, the problems such as vibration overturning in the time of may having equipment because of earthquake or while transporting.In addition, more electronic unit has been installed in inverter 3, its hot impact that not produced by reactor 4 needs protection.
Therefore, by inverter 3 being configured in to front (above) upper lateral part of casing 13a, reactor 4 is configured in to the bottom face of the inside side, separated with inverter 3, high temperature can not make while making heat that reactor 4 produces with top convection current to become around inverter 3.In addition, owing to can eliminate the mass unbalance of front side and the inside side of casing 13a by this configuration, for respect to vibration-stable configuration.
About casing 13b, step-up transformer 6 is configured in bottom surface, and VCB7 and DS8 configure from overhung.By the step-up transformer as heater 6 being arranged on to casing 13a side, separated with electric governor 2, make electric governor 2 not overlapping with the heating of reactor 4.Step-up transformer 6, VCB7 and DS8 be neighboringly configuration in same casing 13b; can shorten the electric wire that connects each several part, and be suitable for realizing when short circuit or earth fault etc. and connect the electric wire (for example connect in Fig. 1 step-up transformer 6 with the electric wire of VCB7 as shown in 19) of these three equipment and the protection of step-up transformer 6.
Like this, by the inverter of the main thermal source as electric governor 23 and reactor 4 are configured in casing 13a to reduce the mode of heat interference, and by electric governor 2 and step-up transformer 6 configuration discretely on casing 13b internal space that is all thermal source, can reduce heat and disturb and be accommodated in compactly in same shell 13.Thus, can shorten as much as possible the electric wire connecting between each equipment and connect, can reduce power consumption.
About casing 13c, the VCT (instrument transformer for power supply and demand) 9, electric energy meter 12 that obtains the signal of electric power amount from power line from overhung arrange.Electric energy meter 12 is for the ease of checking its demonstration near the configuration of casing 13c front panel, and front panel is provided with the display window 12a of electric energy meter 12.
In described shell 13, the equipment in casing 13a and 13b of being accommodated in, by sale of electricity side management, carries out upkeep operation.In addition, the equipment being accommodated in casing 13c is managed by Utilities Electric Co., carries out upkeep operation.
As mentioned above, by the present embodiment, the device of low pressure system and high pressure system is accommodated in same shell, therefore can reduces floor space, realize save space.In existing device, carry out at the scene that is routed in from electric governor 2 to step-up transformer 26, and in the present embodiment by take in electric governor 2 and step-up transformer 6 in same shell 13, can under the state of the good line of cloth in advance, install at the scene, the wiring that can reduce while installing connects the number of working processes.And, shorten to connect the electric wire of each equipment and be accommodated in and in same shell, reduced as the copper of conductor material with as the use amount of the steel of sheathing material, to economizing on resources, also there is contribution.
In addition, as shown in Figure 1, by adopting, pack step-up transformer 6 and electric governor 2 into the system forming in the same shell grid-connected device of using, the low-tension transformer that does not need existing generation low-pressure system voltage, can by the alternating electromotive force former state after the reactor via electric governor 24 be sent to step-up transformer 6, electric adjustment portion becomes transless type.Himself is lossy for low-tension transformer, by removing this transformer, can reduce the wastage and can improve generating efficiency.
In addition, above-mentioned low-tension transformer has the function with system insulation, because removed above-mentioned low-tension transformer, so adjust to replace this insulation function by step-up transformer 6.
Fig. 3 is the block diagram of adjustment of power phase of a plurality of electric governors of corresponding a plurality of electricity generation systems.The part identical with Fig. 1 is accompanied by identical mark and represents.
In Fig. 3,20 for connecting/switch the switch of a plurality of electricity generation systems and step-up transformer, and 21 is the power phase checkout gear of power phase of detection high-pressure system that is connected to the tie point of VCB7 and DS8.22 is output phase adjusting device, for the phase place from 21 outputs of power phase checkout gear is fed back to inverter 3 by door (gate) circuit 23.Inverter 3 produces the phase place interchange consistent with the phase place of detected high-pressure system, supplies with to step-up transformer 6.
Detect the VCB7 of this phase place and the tie point of DS8 owing to being configured in shell 13, and management is not connected it with other load, so can not connect unexpected load.Therefore, from the detected feedback of this tie point, power factor is less lags behind, and the power factor that can realize more reliably acceptance point is 1.
In addition, VCB7, therefore can be easy to the phase signal of the tie point of high-pressure system (acceptance point, feed point) to deliver in shell 13 owing to being configured in the shell 13 identical with inverter 3 with the tie point of DS8.
In addition,, in the device in transformer capacity below 300kVA, use and carry out the protection of circuit and the load switch of switch (LBS: load switch) replace VCB7, DS8, now obtain power phase signal from the high-pressure system side of load switch.
As mentioned above, pass through the present embodiment, grid-connected with in device in the system of utilizing the generating electricity by natural energy such as solar power generation and wind power generation, by the direct current power of DC power supply is converted to alternating electromotive force circuit conversion circuit, the alternating electromotive force after conversion is boosted to the step-up transformer of high pressure commercial power and primary cut-out, switchgear pack in a shell and form, can densification, suppress power consumption, improve generating efficiency.In addition can prevent, the power factor hysteresis of tie point.
Indicia explanation
1 ... solar module, 2 ... electric governor, 3 ... inverter (power conversion circuit), 4 ... reactor, 5 ... conductor (electric wire), 6 ... step-up transformer, 7 ... VCB (vacuum circuit-breaker), 8 ... DS (isolating switch), 9 ... VCT (instrument transformer for power supply and demand), 10 ... PAS (air switch on post), 11 ... high-voltage electric power system, 12 ... electric energy meter, 12a ... display window, 13 ... shell, 13a, 13b, 13c ... casing, 14 ... ventilation fan, 15 ... electric governor, 16 ... existing electric governor shell, 17 ... existing system is grid-connected with device shell, 21 ... voltage-phase checkout gear, 22 ... output phase adjusting device, 23 ... gate circuit, 26 ... existing low-tension transformer.
Claims (10)
1. system is grid-connected is supplied to existing high-voltage electric power system with a device by the generation power of solar power generation or wind power generation, it is characterized in that, comprising:
There is the direct current power that generating is produced and convert the inverter of alternating electromotive force and the electric governor of reactor to;
Alternating electromotive force from described electric governor output is converted to the step-up transformer of high-tension electricity; With
Be configured in the circuit breaker between described step-up transformer and existing high-voltage electric power system,
Described electric governor, step-up transformer and circuit breaker are configured in same shell.
2. the system as claimed in claim 1 is grid-connected with device, it is characterized in that:
The instrument that is connected to the high-voltage electric power system side of described circuit breaker is also configured in described shell with transformer and electric energy meter.
3. system as claimed in claim 1 or 2 is grid-connected with device, it is characterized in that:
In described electric governor, inverter is configured in top, described shell front one side, and described reactor is configured in the inside side lower part of described shell.
4. system as claimed in claim 3 is grid-connected with device, it is characterized in that:
Described shell consists of a plurality of casings, and the inverter of described electric governor and described reactor are configured in same casing.
5. system is grid-connected with device as claimed any one in claims 1 to 3, it is characterized in that:
Described electric governor and described step-up transformer be configuration discretely on same shell internal space.
6. system as claimed in claim 5 is grid-connected with device, it is characterized in that:
Described shell consists of a plurality of casings, and described electric governor and described step-up transformer are configured in different casings.
7. system as claimed in claim 6 is grid-connected with device, it is characterized in that:
Described step-up transformer and described circuit breaker are configured in same casing.
8. system as claimed in claim 2 is grid-connected with device, it is characterized in that:
Described shell consists of a plurality of casings, and described instrument is configured in same casing with transformer and electric energy meter.
9. the system as claimed in claim 1 is grid-connected with device, it is characterized in that:
Be equipped with in the enclosure the power phase that detects the high-voltage electric power system in described shell the power phase checkout gear that provides it to described electric governor.
10. system as claimed in claim 9 is grid-connected with device, it is characterized in that:
Described power phase checkout gear detects power phase from the electric wire of the high-voltage electric power system side of described circuit breaker.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012001262A JP2013143784A (en) | 2012-01-06 | 2012-01-06 | Device for system interconnection |
| JP2012-001262 | 2012-01-06 | ||
| PCT/JP2012/080652 WO2013103058A1 (en) | 2012-01-06 | 2012-11-27 | System linking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104025444A true CN104025444A (en) | 2014-09-03 |
Family
ID=48745124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280065926.8A Pending CN104025444A (en) | 2012-01-06 | 2012-11-27 | System linking device |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2013143784A (en) |
| CN (1) | CN104025444A (en) |
| TW (1) | TW201334355A (en) |
| WO (1) | WO2013103058A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577774A (en) * | 2015-02-02 | 2015-04-29 | 厦门市东港智能科技有限公司 | Photovoltaic metering cabinet |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5889256B2 (en) * | 2013-08-27 | 2016-03-22 | 株式会社日立産機システム | switchboard |
| CN205911963U (en) * | 2014-02-07 | 2017-01-25 | 株式会社日立产机*** | Distribution board, power adjusting ware and oil -immersed transformer |
| JP6186291B2 (en) * | 2014-02-28 | 2017-08-23 | 株式会社日立産機システム | System interconnection equipment |
| JP6362445B2 (en) * | 2014-06-18 | 2018-07-25 | 三菱電機株式会社 | Inverter and data collection device |
| JP6100415B2 (en) * | 2016-02-16 | 2017-03-22 | 株式会社日立産機システム | switchboard |
| JP6895664B2 (en) * | 2017-02-27 | 2021-06-30 | 株式会社Ｗａｖｅ Ｅｎｅｒｇｙ | Solar power generation system and AC current collector box |
| CN109599887A (en) * | 2017-10-01 | 2019-04-09 | 贾继莹 | Wind-powered electricity generation, photo-voltaic power generation station step-up transformer power-saving method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02237435A (en) * | 1989-03-09 | 1990-09-20 | Hitachi Ltd | Power control method and operating device for inverter |
| JPH1051949A (en) * | 1996-08-01 | 1998-02-20 | Hitachi Ltd | Power reception protective device |
| CN1419728A (en) * | 2000-01-28 | 2003-05-21 | 纽瓦茨国际有限公司 | AC power generating system |
| JP2007274841A (en) * | 2006-03-31 | 2007-10-18 | Toshiba Corp | Solar power generation system and solar power generation plant |
| JP2010251657A (en) * | 2009-04-20 | 2010-11-04 | Mitsubishi Electric Corp | Electronic apparatus storage unit |
| JP2010273489A (en) * | 2009-05-25 | 2010-12-02 | Hitachi Industrial Equipment Systems Co Ltd | Power conditioner |
| CN102055368A (en) * | 2010-12-20 | 2011-05-11 | 江苏省电力公司南京供电公司 | 100-KVA micro-grid energy storage bidirectional converter |
| CN102138276A (en) * | 2008-09-02 | 2011-07-27 | 李成高 | Apparatus for automatically controlling harmonic waves |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2607928B2 (en) * | 1988-08-22 | 1997-05-07 | カワソーテクセル株式会社 | Transformer uninterruptible replacement equipment for high voltage instruments |
| JPH09191579A (en) * | 1995-07-21 | 1997-07-22 | Kensetsusho Kanto Chiho Kensetsu Kyokucho | Outdoor integrated type power generating equipment utilizing solar energy |
| JP2000152655A (en) * | 1998-11-09 | 2000-05-30 | Nissin Electric Co Ltd | Power converter |
| JP2001047894A (en) * | 1999-08-04 | 2001-02-20 | Toshiba Corp | Alternate current feeding device and control method for the same |
| JP5262120B2 (en) * | 2008-01-11 | 2013-08-14 | 富士電機株式会社 | Power converter |
| JP5396205B2 (en) * | 2009-09-03 | 2014-01-22 | 東芝三菱電機産業システム株式会社 | Power converter |
-
2012
- 2012-01-06 JP JP2012001262A patent/JP2013143784A/en active Pending
- 2012-11-13 TW TW101142243A patent/TW201334355A/en unknown
- 2012-11-27 CN CN201280065926.8A patent/CN104025444A/en active Pending
- 2012-11-27 WO PCT/JP2012/080652 patent/WO2013103058A1/en active Application Filing
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02237435A (en) * | 1989-03-09 | 1990-09-20 | Hitachi Ltd | Power control method and operating device for inverter |
| JPH1051949A (en) * | 1996-08-01 | 1998-02-20 | Hitachi Ltd | Power reception protective device |
| CN1080943C (en) * | 1996-08-01 | 2002-03-13 | 株式会社日立制作所 | Protection system for power receiving station |
| CN1419728A (en) * | 2000-01-28 | 2003-05-21 | 纽瓦茨国际有限公司 | AC power generating system |
| JP2007274841A (en) * | 2006-03-31 | 2007-10-18 | Toshiba Corp | Solar power generation system and solar power generation plant |
| CN102138276A (en) * | 2008-09-02 | 2011-07-27 | 李成高 | Apparatus for automatically controlling harmonic waves |
| JP2010251657A (en) * | 2009-04-20 | 2010-11-04 | Mitsubishi Electric Corp | Electronic apparatus storage unit |
| JP2010273489A (en) * | 2009-05-25 | 2010-12-02 | Hitachi Industrial Equipment Systems Co Ltd | Power conditioner |
| CN102055368A (en) * | 2010-12-20 | 2011-05-11 | 江苏省电力公司南京供电公司 | 100-KVA micro-grid energy storage bidirectional converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577774A (en) * | 2015-02-02 | 2015-04-29 | 厦门市东港智能科技有限公司 | Photovoltaic metering cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201334355A (en) | 2013-08-16 |
| JP2013143784A (en) | 2013-07-22 |
| WO2013103058A1 (en) | 2013-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104025444A (en) | System linking device | |
| US11539192B2 (en) | Electrical service adapter for supply side interconnect | |
| JP6342398B2 (en) | System and method for efficient power supply and backup | |
| MX2014012708A (en) | Environmental system and modular power skid for a facility. | |
| US10697367B2 (en) | Engine generator set with a more compact, modular design and improved cooling characteristics | |
| JP6005995B2 (en) | Substation equipment unit | |
| JP2006320149A (en) | Distributed power source system | |
| US11965918B2 (en) | Meter for use with a distributed energy resource device | |
| JP2010213384A (en) | Distributed power supply system | |
| CN104377582A (en) | Box-type substation | |
| JP2004104851A (en) | Linkage system provided with generator-linkage function | |
| JP2015046952A (en) | Distribution board | |
| Saadeh et al. | Islanding mode operation of a PV supplied network in the presence of G59 protection | |
| CN210120335U (en) | Main control power distribution unit | |
| CN209929740U (en) | Electric structure of filtering loop of power grid side frequency converter and integrated machine for wind generating set | |
| CN209913246U (en) | Arc protector and grid-connected unit | |
| AU2020372906B2 (en) | Methods and apparatus including an energy management system | |
| CN110350586B (en) | Integrated machine for wind turbine generator | |
| Sharma et al. | To Study and Design the Scheme for Compensation with STATCOM for Power Quality Issues in Grid Integrated Solar System | |
| JP2024091447A (en) | Smart panels (switchboards and power distribution panels), power distribution systems, and power distribution systems | |
| JP3766895B2 (en) | Induction generator operation device | |
| Hirose | Three years operating results of microgrid with multiple power quality levels | |
| JP2016525336A (en) | System and method for efficient power supply and backup | |
| US9438040B2 (en) | Energy supply system and conductor loop enclosure | |
| KOBAYASHI et al. | Development of Large-Capacity Solar Inverter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140903 |