CN102185307A - Insulating configuration method for flexible direct-current transmission system of modularized multi-level transducer - Google Patents
Insulating configuration method for flexible direct-current transmission system of modularized multi-level transducer Download PDFInfo
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- CN102185307A CN102185307A CN2011100878084A CN201110087808A CN102185307A CN 102185307 A CN102185307 A CN 102185307A CN 2011100878084 A CN2011100878084 A CN 2011100878084A CN 201110087808 A CN201110087808 A CN 201110087808A CN 102185307 A CN102185307 A CN 102185307A
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- 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
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
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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]
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Abstract
The utility model provides an over-voltage analysis method and an insulating configuration method for a modularized multi-level flexible direct-current transmission system. By the steps of analyzing the over-voltage of the system, arranging an arrester and matching the insulation, various over-voltage of the modularized multi-level flexible direct-current transmission system can be exactly analyzed and calculated; an arrester configuration and parameter selection scheme is searched so as to further complete the insulation matching of system equipment; furthermore, the safety of the modularized multi-level flexible direct-current transmission system during the normal run, the failure period and the period after failure can be ensured, the charge of the whole system is the minimum, and the scheme can be used for guiding related technicians to complete the insulation matching analysis on the modularized multi-level flexible direct-current transmission system at high efficiency.
Description
Technical field:
The present invention relates to a kind of insulation coordination scheme of flexible DC power transmission system of modular multilevel current transformer, be specifically related to insulation coordination method based on the modularization multi-level converter flexible DC power transmission.
Background technology:
The insulation coordination of electric power system; take all factors into consideration exactly electric equipment in system the various effect voltages (comprising operating voltage and overvoltage), the characteristic and the apparatus insulated resistance characteristics of protective device that bear under might operating mode to various operating voltages; to select the optimum protective device configuration mode and the insulation level of equipment; the breakdown loss that makes overall equipment manufacturing cost, maintenance cost and cause because of apparatus insulated fault, reach economically with safe operation on the overall benefit supreme good.
The insulation coordination design; generally speaking; need analog computation based on system's electromagnetic transient; protective device equipping rules according to routine; constantly adjust the parameter of protection configuration and protective device according to concrete result of calculation through experienced designer; with the final insulation coordination scheme of determining whole system, so the insulation coordination design is a professional and technical very strong job.It not only needs general protective device equipping rules, also needs the designer that solid profession basis and abundant engineering experience are arranged.
Existing HVDC (High Voltage Direct Current) converter substation insulation coordination program just at the conventional HVDC (High Voltage Direct Current) transmission system based on thyristor converter device valve, claims line commutated converter HVDC (High Voltage Direct Current) transmission system (LCC-HVDC) again.The basic principle of insulation coordination is in its current conversion station: the overvoltage of AC side should be as far as possible by the protection of arrester that is contained in AC side; The overvoltage of DC side should be limited by the lightning arrester combination of DC side; The critical component of converter should be by directly protecting with the lightning arrester that these parts closely link to each other.
System is made up of 6 brachium pontis for modular multilevel formula flexible DC power transmission, and each brachium pontis is composed in series by the experimental process module, and structure as shown in Figure 1.Its converter is based on turn-off device; and commutation course adopts distinctive control and protected mode; flexible DC converter station is compared with AC Substation with conventional DC converter station, the selection of protection and the overvoltage of protected equipment, the configuration of protective device, apparatus insulated level is had its special requirement.For AC transmission system and conventional DC transmission system; respectively can be with reference to the industry standard DL/T620-1997 of State Grid " overvoltage protection of alternating-current electric device and insulation coordination " and standard GB/T311.3-2007 " insulation coordination the 3rd part: HVDC (High Voltage Direct Current) converter substation insulation coordination program "; carrying out the insulation level of Allocation of Lightning Arrester, parameter selection and equipment determines; but, still there is not specific insulation coordination method for designing at present for the flexible DC power transmission system.The overvoltage of flexible DC power transmission system and insulation coordination design are one of key technologies in flexible DC power transmission engineering design, the enforcement.The insulation level of the selection of system's Over-voltage Analysis, direct current transportation operational mode, Allocation of Lightning Arrester and protection level, equipment is directly connected to each side such as the design of equipment, manufacturing, cost.
Summary of the invention:
At the deficiencies in the prior art, the present invention seeks to the various overvoltage of modular multilevel formula flexible DC power transmission system are carried out accurate analytical calculation, seek a kind of Allocation of Lightning Arrester and parameter selection scheme, guarantee the safety of modular multilevel formula flexible DC power transmission system after reaching fault between normal operation, age at failure, and make system-wide expense economize most.
The insulation configuration method of modular multilevel current transformer flexible DC power transmission provided by the invention system, described flexible DC power transmission system comprises submodule, its improvements are that described method comprises analytical system overvoltage, configuration lightning arrester and insulation coordination setting;
Described analytical system overvoltage comprises the steps:
1) operational mode of the apparatus insulated coupled system of selection:
2) divide the Over-voltage Analysis zone:
3) according to step 2) the zoning analyze the current conversion station overvoltage and produce reason;
4) different overvoltage types and the corresponding basic frequency that draws according to step 3) carried out the electro-magnetic transient modeling:
5) carrying out overvoltage on the basis of step 4) calculates;
Described configuration lightning arrester comprises the steps:
A) determine the position of lightning arrester according to step 5) and Allocation of Lightning Arrester principle;
B) determine chargeability and valve block model;
C) according to the reference voltage U of valve block file, lightning arrester continuous operating voltage CCOV, continuous operating voltage peak value PCOV and lightning arrester
RefGenerate the lightning arrester file;
D) according to step 4) and step C) extraction lightning arrester characteristic value:
E) according to step D) in lightning arrester characteristic value under the catastrophe failure type, select to cooperate electric current:
F) calculate the protection of arrester level;
Described insulation coordination setting comprises the steps:
1. overvoltage is calculated under the catastrophe failure;
2. determine the insulation coordination coefficient;
3. according to step F) result and the step coefficient 2. withstand voltage that requires of determining equipment;
4. determine apparatus insulated level.
The collocation method of first preferred version provided by the invention, its improvements are that described division Over-voltage Analysis zone is that modular multilevel flexible DC power transmission system is divided into inner three zones of current conversion station AC side, current conversion station DC side and current conversion station;
The collocation method of second preferred version provided by the invention, its improvements are, described step C) the reference voltage U of described lightning arrester
RefComputing formula be: U
Ref=CCOV/ chargeability.
The collocation method of the 3rd preferred version provided by the invention, its improvements are that the operational mode of described apparatus insulated coupled system is according to selecting after the operational mode of flexible DC power transmission system and the stability analysis.
The collocation method of the 4th preferred version provided by the invention, its improvements are that described calculating protection of arrester level comprises horizontal SIPL of switching impulse protection and the horizontal LIPL of lightning impulse protection that calculates lightning arrester.
The collocation method of more preferably scheme provided by the invention, its improvements are that the overvoltage of described current conversion station AC side comprises temporary overvoltage, switching overvoltage and lightning overvoltage.
The collocation method of another preferred version provided by the invention, its improvements are that the overvoltage in the described current conversion station comprises temporary overvoltage, switching overvoltage, lightning overvoltage and steep wave overvoltage.
The collocation method of a preferred version more provided by the invention, its improvements are that the overvoltage of described current conversion station DC side comprises lightning overvoltage and switching overvoltage.
Compared with the prior art, beneficial effect of the present invention is:
Over-voltage Analysis step of the present invention can reduce the workload in the Over-voltage Analysis process greatly; Pass through area dividing, divide current conversion station AC side, current conversion station DC side and current conversion station inner three zones whole system, and to causing in each zone that superpotential fault type manages respectively, can guides user finish the statistics of fault type accurately, all sidedly, and improve operating efficiency; Based on the Over-voltage Analysis model of system, to various superpotential all fault types to be analyzed, carry out simulation calculation, the end of all devices reaches the voltage stress between end over the ground in the statistics whole system, can be Allocation of Lightning Arrester substantial foundation is provided.
Allocation of Lightning Arrester step of the present invention, the user carries out Allocation of Lightning Arrester for convenience, the end of all devices reaches the voltage stress statistics between end over the ground in the whole system, and the user can directly determine the installation site of lightning arrester, has reduced the requirement to user's professional standards and working experience.
Insulation coordination step of the present invention is considered choosing of insulation coordination coefficient, determines the rated insulation level of equipment on this basis, can fully guarantee the safety of equipment.
The present invention has designed the insulation coordination program of modular multilevel flexible DC power transmission system, but guides user is finished the insulation coordination analysis of system efficiently and accurately.
Description of drawings
Fig. 1: modular multilevel formula flexible DC power transmission system construction drawing provided by the invention;
Fig. 2: overall flow block diagram provided by the invention;
Fig. 3: the FB(flow block) of system provided by the invention Over-voltage Analysis;
Fig. 4: the FB(flow block) of Allocation of Lightning Arrester provided by the invention;
Fig. 5: the FB(flow block) of insulation coordination step provided by the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Fig. 1 is a modular multilevel formula flexible DC power transmission system construction drawing, and Fig. 2 is an overall flow block diagram of the present invention.This method comprises system's Over-voltage Analysis, Allocation of Lightning Arrester and insulation coordination setting;
One: system's Over-voltage Analysis:
For modular multilevel flexible DC power transmission system; its electromagnetic transient is that various operations, fault or the thunderbolt by the AC and DC transmission system causes; to on the AC and DC equipment of current conversion station, produce various overvoltage stress (power-frequency overvoltage, resonance overvoltage, switching overvoltage, lightning overvoltage etc.), directly determine the configuration of system protection device (lightning arrester) and choosing of various device insulation level.
For system's Over-voltage Analysis, at first reply may cause that superpotential operating mode summarizes, and selects suitable electromagnetic transient simulation software, and various operating modes are carried out Analysis on Mechanism, accurately build the simulation analysis model identical, overvoltage is calculated with real system.Present embodiment is chosen electric power system computer aided design software PSCAD (Power System Computer Aided Design, a business software that Canada releases Manitoba high voltage direct current research center) and two electromagnetic transient simulation softwares of electromagnetic transient simulation software ATP (The Alternative Transients Program, blank is by the leading a global freeware of developing of Bang Weier power office of USDOE (BPA)) carry out emulation.The block diagram of present embodiment such as Fig. 3 comprise the steps:
1) operational mode of the apparatus insulated coupled system of selection: according to the operational mode of flexible DC power transmission system in electrical network, the stability of system under the different running method is analyzed, determined the system operation mode of decision device insulation coordination.
2) divide the Over-voltage Analysis zone: modular multilevel flexible DC power transmission system is divided into inner three zones of current conversion station AC side, current conversion station DC side and current conversion station, the operating mode that may cause overvoltage stress in the system is analyzed with the subregion.
3) according to step 2) the zoning analyze the current conversion station overvoltage and produce reason:
From the overvoltage of current conversion station AC side three kinds of temporary overvoltage, switching overvoltage and lightning overvoltages are arranged.Three kinds of superpotential generation reasons are analyzed.
From the overvoltage in the current conversion station four kinds of temporary overvoltages, switching overvoltage, lightning overvoltage, steep wave overvoltage are arranged.Various superpotential generation reasons in the current conversion station are analyzed.
Mainly contain two kinds of lightning overvoltage and switching overvoltages from the overvoltage of current conversion station DC side.When DC line adopts underground cable, there is not the lightning overvoltage of current conversion station DC side.
4) different overvoltage types and the corresponding basic frequency that draws according to step 3) carried out the electro-magnetic transient modeling: at different overvoltage types and corresponding basic frequency, by means of the electro-magnetic transient analysis software, by selecting corresponding elements in the component library for use, set up the Over-voltage Analysis equivalent model identical with real system.
5) carrying out overvoltage on the basis of step 4) calculates: based on the Over-voltage Analysis model of system, to various superpotential all fault types to be analyzed, carry out simulation calculation, the end of all devices reaches the voltage stress between end over the ground in the statistics flexible DC power transmission system.
Two: Allocation of Lightning Arrester
For AC system and conventional DC transmission system, the basic principle of general insulation coordination is arranged all.For modular multilevel flexible DC power transmission system, international and domestic all do not have governed standard and a guide rule, needs the overvoltage level according to system, tentatively determines Allocation of Lightning Arrester position, type and quantity.From the angle of lightning arrester safety, need to consider that the energy of lightning arrester under its long-term safety moved continuously and the overvoltage can not surpass the problem of its two aspects of permissible value.In general, the lightning arrester rated voltage is high more, and the energy requirement of unit voltage is low more.Higher lightning arrester rated voltage can reduce the energy requirement of unit voltage lightning arrester, thereby reduces lightning arrester manufacture difficulty and expense.For protected equipment, the lightning arrester rated voltage is high more, and the protection level is just high more, and the insulation level of equipment also must correspondingly improve, and causes manufacture difficulty and expense to increase.In order to solve the contradiction between lightning arrester safety and the equipment manufacturing cost, need carry out the meticulous work of distributing rationally.The block diagram of present embodiment is as figure
4, comprise the steps:
A) determine the position of lightning arrester according to step 5) and Allocation of Lightning Arrester principle: according to the overvoltage counting statistics result of system, provide the allocation position of lightning arrester, reach the position that overvoltage is serious between equipment end over the ground in equipment end lightning arrester is installed.
B) tentatively determine chargeability and valve block model: the lightning arrester chargeability that requires in tentatively definite system design and the valve block file of lightning arrester volt-ampere characteristic.
C) according to the reference voltage U of valve block file, lightning arrester continuous operating voltage CCOV, continuous operating voltage peak value PCOV and lightning arrester
RefGenerate the lightning arrester file: the coupling system parameter, determine lightning arrester continuous operating voltage CCOV and continuous operating voltage peak value PCOV, calculate the reference voltage U of lightning arrester
Ref=CCOV/ chargeability, and, calculate generation and corresponding lightning arrester lightning arrester file one to one according to the valve block file.Wherein, the valve block file can be provided by manufacturer.
D) according to step 4) and step C) extract the lightning arrester characteristic value: unit of an arrester in the component library is configured in respectively on the position of simulation model correspondence, calls corresponding lightning arrester file according to the lightning arrester type of design.All fault types to be analyzed are carried out simulation analysis, in the time zone that fault takes place, extract each self-corresponding maximum residual voltage of each lightning arrester, maximum current and energy and preservation.Choose the maximum residual voltage of lightning arrester wherein, the most serious fault type of fault type of lowest high-current value maximum, maximum residual voltage, maximum current and the energy of the lightning arrester that it is corresponding are as the lightning arrester characteristic value.
E) according to step D) in lightning arrester characteristic value under the catastrophe failure type, select to cooperate electric current: according to the lightning arrester characteristic value under the catastrophe failure type, determine the cooperation electric current of lightning arrester, cooperate current value greater than the maximum current in the lightning arrester characteristic value.
F) calculate the protection of arrester level: volt-ampere characteristic and cooperation electric current in conjunction with the lightning arrester file, calculate the switching impulse of lightning arrester and protect horizontal SIPL and the horizontal LIPL of lightning impulse protection.
Three: the insulation coordination setting
On the basis of finishing Over-voltage Analysis modeling and Allocation of Lightning Arrester, need voltage stress characteristic point at the flexible DC power transmission system, the work of choosing of the definite and insulation level of the apparatus insulated cooperation nargin of research current conversion station coefficient, the block diagram of present embodiment such as Fig. 5 comprise the steps:
1. overvoltage is calculated under the catastrophe failure: to installing the system behind the lightning arrester additional, carry out the simulation calculation under the catastrophe failure type, record all devices end reaches the ceiling voltage stress between end over the ground.
2. determine the insulation coordination coefficient: cooperating coefficient is the ratio that requires impulse withstand voltage and impulse protection level of equipment.Mainly be at DC equipment, in the DC application, do not have the withstand voltage level of required standard.If the user has concrete requirement, the cooperation coefficient value is pressed customer requirements and is decided.Otherwise, can be with reference to cooperating choosing of coefficient in the conventional direct current transportation insulation coordination.
3. according to step F) result and the step coefficient 2. withstand voltage that requires of determining equipment: according to the switching impulse protection level and the lightning impulse protection level of lightning arrester; the insulation coordination coefficient of bonding apparatus, the end of determining equipment be the requiring the switching impulse withstand voltage and require the thunder and lightning withstand voltage of (being between the two ends of equipment) between (being between equipment one end and the ground), end over the ground.
4. determine apparatus insulated level: according to equipment require insulation level result of calculation, to (by manufacturer's regulation) withstand voltage of alternating current equipment selection standard; For DC equipment, there is not standard withstand voltage level, specified tolerance level is adjusted to empirical value.
Should be noted that at last: only illustrate that in conjunction with the foregoing description technical scheme of the present invention is not intended to limit.Those of ordinary skill in the field are to be understood that: those skilled in the art can make amendment or are equal to replacement the specific embodiment of the present invention, but these modifications or change are all among the claim protection range that application is awaited the reply.
Claims (8)
1. the insulation configuration method of modular multilevel current transformer flexible DC power transmission system, described flexible DC power transmission system comprises submodule, it is characterized in that described method comprises analytical system overvoltage, configuration lightning arrester and insulation coordination setting;
Described analytical system overvoltage comprises the steps:
1) operational mode of the apparatus insulated coupled system of selection:
2) divide the Over-voltage Analysis zone:
3) according to step 2) the zoning analyze the current conversion station overvoltage and produce reason;
4) different overvoltage types and the corresponding basic frequency that draws according to step 3) carried out the electro-magnetic transient modeling:
5) carrying out overvoltage on the basis of step 4) calculates;
Described configuration lightning arrester comprises the steps:
A) determine the position of lightning arrester according to step 5) and Allocation of Lightning Arrester principle;
B) determine chargeability and valve block model;
C) according to the reference voltage U of valve block file, lightning arrester continuous operating voltage CCOV, continuous operating voltage peak value PCOV and lightning arrester
RefGenerate the lightning arrester file;
D) according to step 4) and step C) extraction lightning arrester characteristic value:
E) according to step D) in lightning arrester characteristic value under the catastrophe failure type, select to cooperate electric current:
F) calculate the protection of arrester level;
Described insulation coordination setting comprises the steps:
1. overvoltage is calculated under the catastrophe failure;
2. determine the insulation coordination coefficient;
3. according to step F) result and the step coefficient 2. withstand voltage that requires of determining equipment;
4. determine apparatus insulated level.
2. collocation method as claimed in claim 1 is characterized in that, described division Over-voltage Analysis zone is that modular multilevel flexible DC power transmission system is divided into inner three zones of current conversion station AC side, current conversion station DC side and current conversion station.
3. collocation method as claimed in claim 1 is characterized in that: the reference voltage U of described lightning arrester described step C)
RefComputing formula be: U
Ref=CCOV/ chargeability.
4. collocation method as claimed in claim 1 is characterized in that, the operational mode of described apparatus insulated coupled system is according to selecting after the operational mode of flexible DC power transmission system and the stability analysis.
5. collocation method as claimed in claim 1 is characterized in that, described calculating protection of arrester level comprises horizontal SIPL of switching impulse protection and the horizontal LIPL of lightning impulse protection that calculates lightning arrester.
6. collocation method as claimed in claim 2 is characterized in that, the overvoltage of stating the current conversion station AC side comprises temporary overvoltage, switching overvoltage and lightning overvoltage.
7. collocation method as claimed in claim 2 is characterized in that, the overvoltage in the described current conversion station comprises temporary overvoltage, switching overvoltage, lightning overvoltage and steep wave overvoltage.
8. collocation method as claimed in claim 2 is characterized in that the overvoltage of described current conversion station DC side comprises lightning overvoltage and switching overvoltage.
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722599A (en) * | 2012-05-02 | 2012-10-10 | 南网电网科学研究院有限责任公司 | Automatic modeling method of direct current transmission project network topology |
| CN102916436A (en) * | 2012-11-13 | 2013-02-06 | 浙江省电力公司电力科学研究院 | Transient analysis method and system of high-voltage direct-current transmission |
| CN103050955A (en) * | 2012-12-07 | 2013-04-17 | 国网智能电网研究院 | Over-voltage protection method for modularized multi-level voltage source commutation valve |
| CN103063903A (en) * | 2012-12-10 | 2013-04-24 | 国网智能电网研究院 | Overvoltage computing method of modular multi-level converter |
| CN104333029A (en) * | 2014-08-12 | 2015-02-04 | 许昌开普检测技术有限公司 | Predictive commutation failure prevention method and device |
| CN104578127A (en) * | 2014-12-10 | 2015-04-29 | 华南理工大学 | Insulation matching method of intelligent power distribution system based on flexible direct current |
| CN104638930A (en) * | 2014-12-30 | 2015-05-20 | 国家电网公司 | High-voltage large-capacity DC/DC (Direct Current) converter suitable for DC power supply |
| CN104992014A (en) * | 2015-06-29 | 2015-10-21 | 中国电力工程顾问集团中南电力设计院有限公司 | Method for screening types of arresters in flexible direct-current power transmission converter station |
| EP2945247A1 (en) * | 2014-05-13 | 2015-11-18 | LSIS Co., Ltd. | Apparatus and method for verifying lightning arrester of high voltage direct current transmission system |
| US20150333644A1 (en) * | 2014-05-13 | 2015-11-19 | Lsis Co., Ltd. | Apparatus and method for design of high voltage direct current transmission system |
| EP2947742A1 (en) * | 2014-05-13 | 2015-11-25 | LSIS Co., Ltd. | Apparatus and method for insulation design of high voltage direct current transmission system |
| CN105098814A (en) * | 2014-05-13 | 2015-11-25 | Ls产电株式会社 | Apparatus and method for insulation design of high voltage direct current transmission system |
| CN106229959A (en) * | 2016-08-12 | 2016-12-14 | 中国电力科学研究院 | A kind of extra high voltage direct current transmission line Overvoltage suppressing method |
| CN106684899A (en) * | 2016-10-26 | 2017-05-17 | 国网电力科学研究院武汉南瑞有限责任公司 | Construction and insulation configuration method of flexible DC power transmission system |
| CN109462225A (en) * | 2018-09-21 | 2019-03-12 | 全球能源互联网研究院有限公司 | A kind of Insulation Coordination method and system of tandem type compensation device |
| US10270250B2 (en) * | 2014-11-26 | 2019-04-23 | Lsis Co., Ltd. | Insulation design apparatus of high voltage direct current transmission system |
| CN112507547A (en) * | 2020-12-05 | 2021-03-16 | 国网辽宁省电力有限公司电力科学研究院 | 66kV power grid neutral point lightning arrester model selection method based on protection coordination relation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694939A (en) * | 2009-10-16 | 2010-04-14 | 南方电网技术研究中心 | Converter station insulating co-operating design method of high-pressure direct-current power transmission system |
-
2011
- 2011-04-08 CN CN2011100878084A patent/CN102185307A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101694939A (en) * | 2009-10-16 | 2010-04-14 | 南方电网技术研究中心 | Converter station insulating co-operating design method of high-pressure direct-current power transmission system |
Non-Patent Citations (4)
| Title |
|---|
| UDANA N. GNANARATHNA ET AL.: "Efficient Modeling of Modular Multilevel HVDC Converters (MMC) on Electromagnetic Transient Simulation Programs", 《IEEE TRANSACTIONS ON POWER DELIVERY》 * |
| 国家电网公司: "《±800kV特高压直流换流站过电压保护和绝缘配合导则》", 26 September 2006, 国家电网公司办公厅 * |
| 汤广福: "《基于电压源换流器的高压直流输电技术》", 31 January 2010, 中国电力出版社 * |
| 赵畹君: "《高压直流输电技术》", 31 August 2004, 中国电力出版社 * |
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| CN103063903A (en) * | 2012-12-10 | 2013-04-24 | 国网智能电网研究院 | Overvoltage computing method of modular multi-level converter |
| CN103063903B (en) * | 2012-12-10 | 2014-02-19 | 国网智能电网研究院 | Overvoltage computing method of modular multi-level converter |
| EP2947742A1 (en) * | 2014-05-13 | 2015-11-25 | LSIS Co., Ltd. | Apparatus and method for insulation design of high voltage direct current transmission system |
| CN105098814A (en) * | 2014-05-13 | 2015-11-25 | Ls产电株式会社 | Apparatus and method for insulation design of high voltage direct current transmission system |
| US10056846B2 (en) | 2014-05-13 | 2018-08-21 | Lsis Co., Ltd. | Apparatus and method for insulation design of high voltage direct current transmission system |
| CN105098822B (en) * | 2014-05-13 | 2017-08-15 | Ls产电株式会社 | For the apparatus and method for the arrester for examining HVDC transmission system |
| EP2945247A1 (en) * | 2014-05-13 | 2015-11-18 | LSIS Co., Ltd. | Apparatus and method for verifying lightning arrester of high voltage direct current transmission system |
| US20150333644A1 (en) * | 2014-05-13 | 2015-11-19 | Lsis Co., Ltd. | Apparatus and method for design of high voltage direct current transmission system |
| CN105098822A (en) * | 2014-05-13 | 2015-11-25 | Ls产电株式会社 | Apparatus and method for verifying lightning arrester of high voltage direct current transmission system |
| JP2015219237A (en) * | 2014-05-13 | 2015-12-07 | エルエス産電株式会社Lsis Co., Ltd. | Arrestor verification device and method of high voltage dc power transmission system |
| CN104333029B (en) * | 2014-08-12 | 2017-05-10 | 许昌开普检测技术有限公司 | Predictive commutation failure prevention method and device |
| CN104333029A (en) * | 2014-08-12 | 2015-02-04 | 许昌开普检测技术有限公司 | Predictive commutation failure prevention method and device |
| US10270250B2 (en) * | 2014-11-26 | 2019-04-23 | Lsis Co., Ltd. | Insulation design apparatus of high voltage direct current transmission system |
| CN104578127A (en) * | 2014-12-10 | 2015-04-29 | 华南理工大学 | Insulation matching method of intelligent power distribution system based on flexible direct current |
| CN104638930A (en) * | 2014-12-30 | 2015-05-20 | 国家电网公司 | High-voltage large-capacity DC/DC (Direct Current) converter suitable for DC power supply |
| CN104992014A (en) * | 2015-06-29 | 2015-10-21 | 中国电力工程顾问集团中南电力设计院有限公司 | Method for screening types of arresters in flexible direct-current power transmission converter station |
| CN104992014B (en) * | 2015-06-29 | 2017-11-07 | 中国电力工程顾问集团中南电力设计院有限公司 | The screening technique of flexible direct current transmission converter station arrester model |
| CN106229959A (en) * | 2016-08-12 | 2016-12-14 | 中国电力科学研究院 | A kind of extra high voltage direct current transmission line Overvoltage suppressing method |
| CN106229959B (en) * | 2016-08-12 | 2020-07-24 | 中国电力科学研究院 | Overvoltage suppression method for extra-high voltage direct current transmission line |
| CN106684899A (en) * | 2016-10-26 | 2017-05-17 | 国网电力科学研究院武汉南瑞有限责任公司 | Construction and insulation configuration method of flexible DC power transmission system |
| WO2020057252A1 (en) * | 2018-09-21 | 2020-03-26 | 全球能源互联网研究院有限公司 | Insulation coordination method and system for series compensation apparatus, and storage medium and electronic device |
| CN109462225A (en) * | 2018-09-21 | 2019-03-12 | 全球能源互联网研究院有限公司 | A kind of Insulation Coordination method and system of tandem type compensation device |
| US11062078B1 (en) | 2018-09-21 | 2021-07-13 | Global Energy Interconnection Research Institute Co., Ltd. | Insulation coordination method and system for a series compensation apparatus, storage medium and electronic device |
| CN109462225B (en) * | 2018-09-21 | 2022-02-18 | 全球能源互联网研究院有限公司 | Insulation matching method and system for series compensation device |
| CN112507547A (en) * | 2020-12-05 | 2021-03-16 | 国网辽宁省电力有限公司电力科学研究院 | 66kV power grid neutral point lightning arrester model selection method based on protection coordination relation |
| CN112507547B (en) * | 2020-12-05 | 2024-08-23 | 国网辽宁省电力有限公司电力科学研究院 | 66KV power grid neutral point lightning arrester type selection method based on protection coordination relation |
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