CN203826980U - Flexible DC converter station - Google Patents
Flexible DC converter station Download PDFInfo
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- CN203826980U CN203826980U CN201420155210.3U CN201420155210U CN203826980U CN 203826980 U CN203826980 U CN 203826980U CN 201420155210 U CN201420155210 U CN 201420155210U CN 203826980 U CN203826980 U CN 203826980U
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- tietransformer
- gis
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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
- 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
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
Abstract
A flexible DC converter station comprises an AC-DC distribution apparatus and an AC-DC distribution apparatus chamber for arranging the AC-DC distribution apparatus, wherein the AC-DC distribution apparatus chamber comprises a first chamber body and a second chamber body, and the AC-DC distribution apparatus comprise an AC GIS distribution apparatus unit, a connected transformer unit, a starting loop and valve reactor unit, a converter valve unit and a DC field unit. The fully indoor flexible DC converter station is distinct and reasonable in functional sub-areas and convenient for operation and maintenance, maximizes the space utilization rate, improves land utilization rate and saves land. All parts of the converter station are arranged in a chamber, which effectively prevents external environmental effects on electric apparatuses in addition to satisfying the safety and reliability requirements, improves the reliability and security of the converter station of electric apparatuses, lowers manufacture difficulty of electric apparatuses and saves cost.
Description
Technical field
The present invention relates to flexible DC power transmission systems technology field, particularly relate to a kind of flexible direct current converter station.
Background technology
Flexible DC power transmission (VSC-HVDC) technology is a kind of taking voltage source converter (VSC), controlled shutoff device and pulse-width modulation (PWM) technology as basic VSC-HVDC technology.Compared with traditional direct current transportation, have and control flexible, the raising stability of a system, increase system dynamic reactive-load deposit, improve the quality of power supply, save the technical advantages such as construction land, be applicable to the many-sides such as grid-connected, asynchronous interconnected, the urban distribution network power supply of regenerative resource.
DC converter station is the topmost part in HVDC Transmission Technology field, the direct current transportation more conventional due to the electric equipments of DC converter station has relatively big difference, and therefore the most basic difference of Technology of HVDC based Voltage Source Converter and conventional HVDC Transmission Technology is the difference of current conversion station.Current conversion station in DC transmission engineering not only has identical power frequency electromagnetic field with the transformer station in alternating current engineering, the formate field intensity that also has DC equipment to produce, for example: interface transformer, reactor, valve body etc. produce interference and comprehensively form in running.And the electric floor plan difference of current conversion station directly affects the integrated interference level of transformer station.
Usually, the electric equipments quantity of conventional DC converter station is relatively many, overall dimension is relatively large, and most of electric equipment is arranged and mixed, causes operation and maintenance inconvenience.
Utility model content
Based on this, be necessary to mix in outdoor, electrical arrangement for DC converter station electrical arrangement, cause the problem of operation and maintenance inconvenience, a kind of flexible direct current converter station is provided.
A kind of flexible direct current converter station, comprise AC-DC power distribution unit and AC-DC power distribution unit chamber, described AC-DC power distribution unit chamber comprises the first Room body and the second Room body of stacked setting, described the first Room body is provided with and exchanges GIS electrical room, tietransformer chamber, starts loop and valve reactor chamber, and described the second Room body is provided with the valve Room and DC fields element cell;
Described AC-DC power distribution unit comprises interchange GIS power distribution equipment unit, tietransformer unit, starts loop and valve reactor unit, converter valve unit and DC fields unit, described interchange GIS power distribution equipment unit, tietransformer unit, start the interchange GIS electrical room that loop and valve reactor unit are arranged in respectively described the first Room body, tietransformer chamber, start loop and valve reactor chamber, described converter valve unit and DC fields unit are arranged in respectively the valve Room and the DC fields element cell of described the second Room body, described tietransformer unit is arranged at the tietransformer chamber at described the first body middle part, Room, described interchange GIS electrical room and startup loop and valve reactor chamber are set in turn in both sides, described tietransformer chamber, described interchange GIS power distribution equipment unit is connected by tietransformer unit with startup loop and valve reactor unit, described converter valve unit is connected with described startup loop and valve reactor unit, described DC fields unit is connected with described converter valve unit.
In an embodiment, described interchange GIS power distribution equipment unit comprises the three-phase integrated GIS being connected with cable termination therein, and described three-phase integrated GIS is connected in described tietransformer unit by through walls drawing of GIS sleeve pipe.
Therein in an embodiment, described tietransformer unit comprises tietransformer and the neutral resistance being connected with ground wire, described tietransformer one end is connected with described interchange GIS power distribution equipment unit, the other end is connected with described startup loop and valve reactor unit, and described neutral resistance is connected with described tietransformer.
Therein in an embodiment, described tietransformer unit comprises transformer body and is arranged in outdoor radiator, described transformer body is arranged and is connected with radiator split, described transformer body one end is connected with described interchange GIS power distribution equipment unit, and the other end is connected with described startup loop and valve reactance unit.
Therein in an embodiment, described startup loop and valve reactor unit comprise startup loop, valve reactor and connection device, one end, described startup loop is connected with described tietransformer unit, the other end is connected with described valve reactor, and described valve reactor is connected with described converter valve unit by described connection device.
Therein in an embodiment, described startup loop comprises HIGS high voltage switchgear, voltage transformer and starting resistance, described HGIS high voltage switchgear is connected with described tietransformer unit, and access described valve reactor, described voltage transformer and equal in parallel the access in described HGIS high voltage switchgear of described starting resistance.
In an embodiment, two of the every phase configuration of described valve reactor, are arranged symmetrically with therein, and are connected with described converter valve unit by described connection device respectively.
In an embodiment, described converter valve unit comprises modular multilevel type converter therein, starts loop and valve reactor unit described in described modular multilevel type converter and connects, and be connected with described DC fields unit.
In an embodiment, described DC fields unit is arranged at described converter valve unit one side therein, and is connected with described converter valve unit by flexible conductor, and described DC fields unit, by extremely symmetrical, is lined up two row.
Above-mentioned flexible direct current converter station, exchange GIS power distribution equipment unit, tietransformer unit and start loop and valve reactor unit and be arranged in the corresponding canyon of the first Room body, converter valve unit and DC fields unit are arranged at the second Room body, tietransformer unit is arranged at the middle part of the first Room body, exchange GIS power distribution equipment unit and startup loop and valve reactor unit and be arranged at tietransformer both sides, DC fields unit is near being arranged at converter valve unit one side.
So, the equipment reasonable Arrangement of flexible direct current converter station is in AC-DC power distribution unit chamber, Clear partition, rationally, and operation and maintenance is convenient, meeting on the basis of fail safe, reliability, has utilized to greatest extent space, has improved land use rate, saves and takes up an area.And effectively reduce the impact of external environment on electric equipment, improved reliability and the fail safe of the current conversion station of electric equipment, reduced the manufacture difficulty of electric equipment, saved cost.In addition, effectively reduce the noise pollution of equipment operation, reduced the impact of current conversion station on neighboring buildings, improved the environment friendly of current conversion station.Reasonable Arrangement electric equipment, has weakened the formate field intensity that equipment produces in running, has reduced the electromagnetic pollution of current conversion station.
Brief description of the drawings
Fig. 1 is the first Room body electrical installation drawing of the flexible direct current converter station of an execution mode;
Fig. 2 is the second Room body electrical installation drawing of the flexible direct current converter station of an execution mode.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.In accompanying drawing, provide preferred embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in specification of the present utility model herein, just in order to describe the object of specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
As depicted in figs. 1 and 2, a kind of flexible direct current converter station, comprise AC-DC power distribution unit and for arranging the AC-DC power distribution unit chamber 200 of described AC-DC power distribution unit, described AC-DC power distribution unit chamber 200 comprises the first Room body 210 and the second Room body 220 of stacked setting, the first Room body 210 is provided with interchange GIS electrical room 212, tietransformer chamber 214, startup loop and valve reactor chamber 216, the second Room bodies 220 and is provided with the valve Room 222 and DC fields element cell 224.
AC-DC power distribution unit comprises interchange GIS power distribution equipment unit 110, tietransformer unit 120, starts loop and valve reactor unit 130, converter valve unit 140 and DC fields unit 150.AC-DC power distribution unit chamber 200 is according to the two-layer setting of main body, exchange GIS power distribution equipment unit 110, tietransformer unit 120 and start loop and valve reactor unit 130 and be arranged in the corresponding indoor of the first Room body 210, converter valve unit 140 and DC fields unit 150 are arranged in corresponding indoor of the second Room body 220.
Gas-insulating and fully-enclosed power distribution equipment (Gas Insulated Switchgear, GIS), in the present embodiment, AC distribution device unit is for exchanging gas-insulating and fully-enclosed power distribution equipment unit 110.Gas-insulating and fully-enclosed power distribution equipment operational reliability is high, maintenance workload is few, failure rate is low, and its failure rate only has 20%～40% of conventional equipment.Reliability and the fail safe of high voltage distribution installation are increased.Be appreciated that gas-insulating and fully-enclosed power distribution equipment is by the usual technology of high voltage electric equipment those skilled in the art, therefore do not repeating its concrete structure and principle.
Tietransformer chamber 214 is arranged at the middle part of the first Room body 210, exchange the both sides that GIS electrical room 212 and startup loop and valve reactor chamber 216 are arranged at tietransformer chamber 214, exchanging GIS power distribution equipment unit 110 and startup loop and valve reactor unit 130 is communicated with by tietransformer unit 120, converter valve unit 140 is connected with startup loop and valve reactor unit 130, and DC fields unit 150 is connected with converter valve unit 140.
Tietransformer unit 120 itself has certain low-frequency vibration, because certainly will causing direct current, direct current transportation flows into tietransformer unit 120 1 sides, cause that tietransformer unit 120 equipment iron core electromagnetism are saturated, and then produce certain noise pollution and electromagnetic pollution.Converter valve unit 140 is also the visual plant of current conversion station, produce certain noise pollution and electromagnetic pollution, converter valve unit 140 and tietransformer unit 120 are arranged at respectively to the first Room body 210 and the second Room body 220 of AC-DC power distribution unit chamber 200, not only the noise pollution in current conversion station is reduced, can also slacken electromagnetic field to impact around, make it approach environment value.
Above-mentioned flexible direct current converter station, exchange GIS power distribution equipment unit 110, tietransformer unit 120 is arranged in the corresponding canyon of the first Room 210 bodies with startup loop and valve reactor unit 130, converter valve unit 140 and DC fields unit 150 are arranged at the corresponding canyon of the second Room body 220, tietransformer unit 120 is arranged at the tietransformer chamber 214 at the middle part of the first Room body 210, exchange GIS power distribution equipment element cell 212 and startup loop and valve reactor element cell 216 and be arranged at 214 both sides, tietransformer chamber, DC fields element cell 224 is near being arranged at the valve Room 212 1 sides.
So, the equipment reasonable Arrangement of flexible direct current converter station is in AC-DC power distribution unit chamber 200, Clear partition, rationally, operation and maintenance is convenient, meeting on the basis of fail safe, reliability, has utilized to greatest extent space, improve land use rate, saved and take up an area.And effectively reduce the impact of external environment on electric equipment, improved reliability and the fail safe of the current conversion station of electric equipment, reduced the manufacture difficulty of electric equipment, saved cost.In addition, effectively reduce the noise pollution of equipment operation, reduced the impact of current conversion station on neighboring buildings, improved the environment friendly of current conversion station.Reasonable Arrangement electric equipment, has weakened the formate field intensity that equipment produces in running, has reduced the electromagnetic pollution of current conversion station.
In an embodiment, exchange GIS power distribution equipment unit 110 and comprise three-phase integrated GIS therein.Described three-phase integrated GIS is connected in tietransformer unit 120 by through walls drawing of GIS sleeve pipe, three-phase integrated GIS inlet wire side accesses through cable termination, outgoing line side is by the GIS sleeve pipe tietransformer unit 120 that causes through walls, and process flexible conductor is connected with tietransformer unit 120.
Three-phase integrated GIS is because three-phase conductor is triangularly arranged, and shell eddy current loss is little, compares other GIS casees, for example split-phase type, and energy-conserving and environment-protective, have reduced cost.Secondly, three-phase integrated GIS interval width is little, and floor space is little, is convenient to arrange and construction, and has saved space.In addition, the cylindrical shell that three-phase integrated GIS installs is few, can directly be connected with operating mechanism, without the outside shackle rod connecting between phase and phase is set, has simplified product structure, has shortened the set-up time, has saved maintenance cost, has also reduced maintenance cost.
Refer to Fig. 1, therein in an embodiment, tietransformer unit 120 comprises tietransformer 122 and neutral resistance 124, tietransformer 122 one end are connected with interchange GIS power distribution equipment unit 110, the other end is connected with startup loop and valve reactor unit 130, and neutral resistance 124 is connected with tietransformer 122.
In the present embodiment, a tietransformer 122 of current conversion station configuration, be positioned at AC-DC power distribution unit chamber 200200 and install middle part, chamber, certainly, in other embodiments, can adopt outdoor arrangement according to actual conditions, determine according to the concrete condition of noise reduction and ventilation, transformer can adopt Natural Oil Circulation Power air-cooled, also can adopt the self cooling type of cooling.
Neutral resistance 124 is connected with ground wire, so, and the energy of half-wave after the single-phase earthing electric arc of not only can releasing; thereby reduce the possibility of arc reignition; suppress the spoke value of line voltage, can also improve the sensitivity of protective relaying device for tripping operation, the effectively normal operation of protection system.
Refer to Fig. 1, therein in an embodiment, tietransformer 122 comprises transformer body 1222 and is arranged in outdoor radiator 1224, transformer body 1222 and radiator 1224 splits are arranged and are connected, transformer body 1222 one end are connected with interchange GIS power distribution equipment unit 110, and the other end is connected with startup loop and valve reactance unit 130.
Transformer body 1222 is connected by oil guide pipe with radiator 1224, and transformer body 1222 is arranged in tietransformer chamber 214, and radiator 1224 is arranged at open air.Certainly, in other embodiments, radiator 1224 can be arranged in tietransformer chamber 214, also can be at the first Room body 210, and the opposite side of tietransformer chamber 214 is also provided with the open type radiator chamber for radiator 1224 is set.Can determine according to actual difficulty of construction and space situation, as long as realize transformer body 1222 and can also improve the object of self-radiating in meeting noise reduction.
Radiator 1224 and transformer body 1222 split settings, not only reduced resonance, but also the noise pollution that controllable radiator 1224 produces in addition, has also reduced manufacturing cost, has saved arrangement space, has reduced difficulty of construction.
Refer to Fig. 1, therein in an embodiment, start loop and valve reactor unit 130 and comprise startup loop 132, valve reactor 134 and connection device 136, starting 132 one end, loop is connected with tietransformer unit 120, the other end be connected with valve reactor 134, valve reactor 134 is connected with converter valve unit 140 by connection device 136.
Before the normal startup of converter, need to be pre-charged to its electric capacity, carry out the storage of energy, usually, adopt direct voltage source to charge, but cost is higher.
Employing startup loop 132, can cut operating costs to capacitor charging in AC system.Valve reactor 134 is connected on and starts between loop 132 and converter valve unit 140, can limit the circulation alternate with control valve three, limiting short-circuit current, between AC system and converter, provide connection reactance together with tietransformer 122, to ensure the normal operation of current conversion station.Refer to Fig. 1, therein in an embodiment, start loop 132 and comprise HGIS high voltage switchgear 1322, voltage transformer 1324 and starting resistance 1326, HGIS high voltage switchgear 1322 is connected with tietransformer unit 120, voltage transformer 1324 and the equal cut-in valve reactor 134 in parallel of starting resistance 1326.
Hybrid power distribution equipment (Hybrid Gas Insulated Switchgear, HGIS) is a kind of high voltage switchgear between gas-insulating and fully-enclosed power distribution equipment and air insulation ordinary distribution device.HGIS high voltage switchgear 1322 does not comprise bus equipment, and bus is not loaded on SF6 air chamber, expose, thereby tie lines is clear, succinct, compact, and installation and Maintenance and Repair are convenient, and operational reliability is high.
Voltage transformer 1324 changes the high voltage of high tension loop into low-voltage, for protection, metering, metering device, further monitors and protect the safety of AC system.Starting resistance 1326 is in converter start-up course, play the effect of buffer circuit, in the time that system starts, first charge by starting resistance 1326, reduce the charging current of electric capacity, reduce the disturbance that when flexible direct current system powers on, AC system caused and the stress to diode on converter valve, so, ensure the stable operation of system.
Refer to Fig. 1, therein in an embodiment, two of the every phase configuration of valve reactor 134, and be connected with converter valve unit 140 by connection device 136.Valve reactor 134 adopts brachium pontis reactor, and valve reactor 134 is ties of the through-put power between converter and AC system.The voltage value difference of valve reactor 134 both sides has determined the output of System Reactive Power power, and the voltage-phase of valve reactor 134 both sides has determined the output of system active power.Symmetrical by every phase two deck valve reactors 134, adjustable valve reactor 134 realize the variation of inductance value by electric current, and then adjusting reactive power, two deck valve reactors 134 produce mutual inductance, regulating effect is more obvious, and it is lower to bear voltage on thyristor, increase the safety and reliability of system.
In an embodiment, be provided with modular multilevel type converter in converter valve unit 140 therein, modular multilevel type converter is connected with startup loop 132 and valve reactor unit 130 by connection device 136, and is connected with DC fields unit 150.
The upper and lower brachium pontis of every phase of converter is separately a separate valves tower, and each valve tower is made up of two and half towers intersection circle's wiring.Each half tower has four layers, and every layer comprises seven submodules, and each valve tower is in series by 56 submodules.In standing, have 6 valve towers, respectively the upper and lower bridge arm of corresponding three-phase.Modular multilevel type converter stack output voltage is high, output harmonic wave is few, the degree of modularity is high, has improved stability and the reliability of system.
Connection device 136 from the startup loop of the first Room body 210 and 216Chuan chamber, valve reactor chamber plate cause the converter valve unit 140 of two Room, be connected with modular multilevel type converter.Connection device 136 is gas insulated bus connection device (Gas Insulated Line, GIL), gas insulated bus connection device arranges that cabling is flexible, can be conveniently implemented in the AC commutation of modular multilevel type converter, by arranged apart three valve towers of three valve towers of upper brachium pontis and lower brachium pontis, simplify circuit thereby allow, be convenient to Converter DC-side wiring.
Refer to Fig. 2, in an embodiment, DC fields unit 150, near being arranged at converter valve unit 140 1 sides, is connected with converter valve unit 140 by flexible conductor therein, and the equipment of DC fields unit 150, according to extremely symmetrical, is lined up two row.So, technological process compactness, facilitates wiring, there will not be the roundabout and wiring difficulty of technique, and operation and maintenance facility.
In addition, in order to meet the requirement of equipment conveying and operating maintenance, also can between smoothing reactor outgoing line side, DC line outgoing line side, utmost point bus equipment outside and utmost point bus equipment and neutral bus equipment, carrying and access path be set, between 2 groups of DC filter of every utmost point, arrange and make an inspection tour trail.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a flexible direct current converter station, it is characterized in that, comprise AC-DC power distribution unit and AC-DC power distribution unit building, described AC-DC power distribution unit chamber comprises the first Room body and the second Room body of stacked setting, described the first Room body is provided with and exchanges GIS electrical room, tietransformer chamber, starts loop and valve reactor chamber, and described the second Room body is provided with the valve Room and DC fields element cell;
Described AC-DC power distribution unit comprises interchange GIS power distribution equipment unit, tietransformer unit, starts loop and valve reactor unit, converter valve unit and DC fields unit, described interchange GIS power distribution equipment unit, tietransformer unit, start the interchange GIS electrical room that loop and valve reactor unit are arranged in respectively described the first Room body, tietransformer chamber, start loop and valve reactor chamber, described converter valve unit and DC fields unit are arranged in respectively the valve Room and the DC fields element cell of described the second Room body, described tietransformer unit is arranged at the tietransformer chamber at described the first body middle part, Room, described interchange GIS electrical room and startup loop and valve reactor chamber are set in turn in both sides, described tietransformer chamber, described interchange GIS power distribution equipment unit is connected by tietransformer unit with startup loop and valve reactor unit, described converter valve unit is connected with described startup loop and valve reactor unit, described DC fields unit is connected with described converter valve unit.
2. flexible direct current converter station according to claim 1, is characterized in that, described interchange GIS power distribution equipment unit comprises the three-phase integrated GIS being connected with cable termination, and described three-phase integrated GIS is connected in described tietransformer unit by through walls drawing of GIS sleeve pipe.
3. flexible direct current converter station according to claim 1, it is characterized in that, described tietransformer unit comprises tietransformer and the neutral resistance being connected with ground wire, described tietransformer one end is connected with described interchange GIS power distribution equipment unit, the other end is connected with described startup loop and valve reactor unit, and described neutral resistance is connected with described tietransformer.
4. flexible direct current converter station according to claim 3, it is characterized in that, described tietransformer unit comprises transformer body and is arranged in outdoor radiator, described transformer body is arranged and is connected with radiator split, described transformer body one end is connected with described interchange GIS power distribution equipment unit, and the other end is connected with described startup loop and valve reactance unit.
5. flexible direct current converter station according to claim 1, it is characterized in that, described startup loop and valve reactor unit comprise startup loop, valve reactor and connection device, one end, described startup loop is connected with described tietransformer unit, the other end is connected with described valve reactor, and described valve reactor is connected with described converter valve unit by described connection device.
6. flexible direct current converter station according to claim 5, it is characterized in that, described startup loop comprises HIGS high voltage switchgear, voltage transformer and starting resistance, described HGIS high voltage switchgear is connected with described tietransformer unit, and access described valve reactor, described voltage transformer and equal in parallel the access in described HGIS high voltage switchgear of described starting resistance.
7. flexible direct current converter station according to claim 5, is characterized in that, two of the every phase configuration of described valve reactor, are arranged symmetrically with, and is connected with described converter valve unit by described connection device respectively.
8. flexible direct current converter station according to claim 1, it is characterized in that, described converter valve unit comprises modular multilevel type converter, starts loop and valve reactor unit described in described modular multilevel type converter and connects, and be connected with described DC fields unit.
9. flexible direct current converter station according to claim 1, it is characterized in that, described DC fields unit is arranged at described converter valve unit one side, and is connected with described converter valve unit by flexible conductor, described DC fields unit, by extremely symmetrical, is lined up two row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155210.3U CN203826980U (en) | 2014-04-01 | 2014-04-01 | Flexible DC converter station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420155210.3U CN203826980U (en) | 2014-04-01 | 2014-04-01 | Flexible DC converter station |
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| Publication Number | Publication Date |
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| CN203826980U true CN203826980U (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420155210.3U Withdrawn - After Issue CN203826980U (en) | 2014-04-01 | 2014-04-01 | Flexible DC converter station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956763A (en) * | 2014-04-01 | 2014-07-30 | 中国能源建设集团广东省电力设计研究院 | Flexible DC converter station |
| CN105162016A (en) * | 2015-04-03 | 2015-12-16 | 中国能源建设集团广东省电力设计研究院 | Connecting method and connecting structure of valve reactor and voltage source transverter in flexible direct current power transmission |
| CN106559024A (en) * | 2015-09-24 | 2017-04-05 | 韩正强 | A kind of controllable silicon drive module |
-
2014
- 2014-04-01 CN CN201420155210.3U patent/CN203826980U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956763A (en) * | 2014-04-01 | 2014-07-30 | 中国能源建设集团广东省电力设计研究院 | Flexible DC converter station |
| CN105162016A (en) * | 2015-04-03 | 2015-12-16 | 中国能源建设集团广东省电力设计研究院 | Connecting method and connecting structure of valve reactor and voltage source transverter in flexible direct current power transmission |
| CN106559024A (en) * | 2015-09-24 | 2017-04-05 | 韩正强 | A kind of controllable silicon drive module |
| CN106559024B (en) * | 2015-09-24 | 2020-03-24 | 韩正强 | Silicon controlled rectifier driving module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC Free format text: FORMER NAME: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC POWER DESIGN INSTITUTE |
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| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee before: Guangdong Electric Power Design Institute of CEEC |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160629 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |