CN109212352A - Recognize the emulation test method of flexible direct current non-linear power characteristic - Google Patents

Recognize the emulation test method of flexible direct current non-linear power characteristic Download PDF

Info

Publication number
CN109212352A
CN109212352A CN201811107271.1A CN201811107271A CN109212352A CN 109212352 A CN109212352 A CN 109212352A CN 201811107271 A CN201811107271 A CN 201811107271A CN 109212352 A CN109212352 A CN 109212352A
Authority
CN
China
Prior art keywords
flexible
power
direct current
flexible direct
grid
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.)
Granted
Application number
CN201811107271.1A
Other languages
Chinese (zh)
Other versions
CN109212352B (en
Inventor
郑超
吕盼
吕思卓
张鑫
宋新甫
李惠玲
周专
高凯
唐俊刺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Electric Power Research Institute Co Ltd CEPRI
State Grid Liaoning Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Xinjiang Electric Power Co Ltd
Original Assignee
China Electric Power Research Institute Co Ltd CEPRI
State Grid Liaoning Electric Power Co Ltd
Economic and Technological Research Institute of State Grid Xinjiang Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Electric Power Research Institute Co Ltd CEPRI, State Grid Liaoning Electric Power Co Ltd, Economic and Technological Research Institute of State Grid Xinjiang Electric Power Co Ltd filed Critical China Electric Power Research Institute Co Ltd CEPRI
Priority to CN201811107271.1A priority Critical patent/CN109212352B/en
Publication of CN109212352A publication Critical patent/CN109212352A/en
Application granted granted Critical
Publication of CN109212352B publication Critical patent/CN109212352B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B17/00Systems involving the use of models or simulators of said systems
    • G05B17/02Systems involving the use of models or simulators of said systems electric
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/60Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

本发明涉及一种辨识柔性直流非线性功率特性的仿真测试方法,建立柔性直流与交流电网混联系统仿真模型,使柔性直流换流站与交流电网戴维南等值系统相连,且所述柔性直流换流站与柔性直流控制系统相连;模拟所述交流电网戴维南等值系统内电势作半周期跌落和提升;通过向所述交流电网戴维南等值系统内施加电势扰动,经时域仿真计算,提取柔性直流换流母线电压幅值、柔性直流换流站输出的有功功率和无功功率以及所述柔性直流控制系统内部相关电气量的响应数据;绘制随换流母线电压变化的换流站有功功率和无功功率等特性曲线。本发明能够直观、清晰的考察柔性直流控制方式等,有利于掌握混联系统特性。

The invention relates to a simulation test method for identifying the nonlinear power characteristics of a flexible direct current, establishing a simulation model of a flexible direct current and alternating current grid hybrid system, connecting a flexible direct current converter station to the Thevenin equivalent system of an alternating current grid, and the flexible direct current converter The flow station is connected to the flexible DC control system; the electric potential in the Thevenin equivalent system of the AC power grid is simulated for half-cycle drop and rise; by applying potential disturbance to the Thevenin equivalent system of the AC power grid, the flexibility is extracted through time domain simulation calculation. The voltage amplitude of the DC converter bus, the active power and reactive power output by the flexible DC converter station, and the response data of the relevant electrical quantities inside the flexible DC control system; plot the converter station active power and Reactive power and other characteristic curves. The invention can intuitively and clearly examine the flexible direct current control mode and the like, which is beneficial to grasp the characteristics of the hybrid system.

Description

Recognize the emulation test method of flexible direct current non-linear power characteristic
Technical field
The present invention relates to the technical field of electric system, a kind of identification flexible direct current non-linear power characteristic is referred in particular to Emulation test method.
Background technique
Flexible DC transmission based on wholly-controled device, because its inverter have can independent control active power and idle function Rate, be not in commutation failure, can to passive power grid power etc. numerous technological merits, therefore in the power system have it is wide Application prospect.In recent years, with the fast development of large-capacity power electronic device and Advanced Control Techniques, flexible DC transmission Voltage class and power transmission capacity be increased dramatically, in trunk power transmission network application it is also increasing, as North China electricity The soft straight asynchronous interconnection engineering etc. in Zhangbei County's flexible DC transmission engineering, southwestern power grid in net.
It is straight with AC network dynamic interaction coupled characteristic, and flexibility with the fast development and application of flexible direct current Stream with AC network combined hybrid system large disturbances under stability characteristic (quality) and control strategy, have become academia and engineering circles concern Emphasis and hot spot.It is equipped as power electronics, by factors shadows such as control mode conversion, amplitude limit link constraint, relay protective scheme movements It rings, when short trouble etc. occurs for power grid, and the large disturbances of change of current busbar voltage significant changes is caused to impact, flexible direct current converter station Nonlinear change feature will be presented in the active power and reactive power of dynamic interaction between power grid, and therefore forms alternating current-direct current coupling Cooperation interaction, so that serial-parallel power grid dynamic behaviour and stability are increasingly complex.
Under being impacted due to large disturbances, the active power and reactive power that flexible direct current converter station is exchanged with AC network, Variation has nonlinear characteristic, it is difficult to obtain its large disturbances power characteristic by analytic method.In order to overcome the above problem, existing China Patent of invention (107102567A) discloses a kind of emulation test system and test method, comprising: real-time simulator, power module Characteristic simulation device, flexible direct current control protective unit;Real-time simulator passes through Aurora communication connection power module characteristic mould Quasi- device;Power module characteristic simulation device connects flexible direct current control protective unit by fiber optic communication mode;Real-time simulation Device is used to simulate the working condition of AC and DC power grid and flexible DC transmission device, and power module characteristic simulation device is used for mould The working characteristics of power module in quasi- flexible DC transmission device.Although the above-mentioned flexible direct current control protective unit of capable of testing Performance, but can not intuitively, clearly investigate the phase between flexible direct current control mode, ac grid voltage and flexible power Mutual influencing mechanism, to be unfavorable for grasping combined hybrid system characteristic and formulate effective stability contorting measure.
Summary of the invention
For this purpose, technical problem to be solved by the present invention lies in overcome effectively grasp combined hybrid system spy in the prior art Property and the problem of formulate effective stability contorting measure, a kind of effectively grasp combined hybrid system characteristic to provide and formulate effective Stability contorting measure identification flexible direct current non-linear power characteristic emulation test method.
In order to solve the above technical problems, a kind of emulation testing side of identification flexible direct current non-linear power characteristic of the invention Method establishes flexible direct current and AC network combined hybrid system simulation model, makes flexible direct current converter station and AC network Dai Weinan etc. Valve system is connected, and the flexible direct current converter station is connected with flexible direct current control system;Simulate the AC network Dai Weinan Equal valve systems built-in potential fell and is promoted as the half period;It is disturbed by applying potential into the AC network Thevenin's equivalence system It is dynamic, calculated through time-domain-simulation, extract flexible direct current change of current bus voltage amplitude, the active power of flexible direct current converter station output and The response data of reactive power and the flexible direct current related electric amount inside the control system;It draws and becomes with change of current busbar voltage The characteristic curves such as the converter station active power of change and reactive power.
In one embodiment of the invention, the side for establishing flexible direct current Yu AC network combined hybrid system simulation model Method are as follows: establish simulation model using power system simulation software PSD-BPA or electric system simulation synthesizer PSASP.
In one embodiment of the invention, the flexible direct current converter station passes through AC network Thevenin's equivalence internal reactance It is connected with the AC network Thevenin's equivalence system.
In one embodiment of the invention, the AC network Thevenin's equivalence system built-in potential is Es, andWherein Es0、ΔEsAnd ωsThe respectively described AC network is worn The valve systems built-in potential such as Wei Nan Steady-state Initial, perturbation amplitude and disturbance angular frequency, tfTo disturb start time.
In one embodiment of the invention, after the completion of the step S4, consider control parameter on characteristic influence.
In one embodiment of the invention, also further consider flexible direct current operation power level to characteristic shadow It rings.
In one embodiment of the invention, also further consider the operation work of combined hybrid system under AC network varying strength Condition.
The above technical solution of the present invention has the following advantages over the prior art:
The emulation test method of identification flexible direct current non-linear power characteristic of the present invention is drawn with change of current bus electricity The characteristic curves such as the converter station active power of buckling and reactive power can intuitively, clearly investigate flexible direct current controlling party The active power and idle function of formula, controller parameter to flexible direct current change of current bus voltage amplitude and flexible direct current converter station output The active power and reactive power of the influence of rate and flexible direct current change of current bus voltage amplitude and flexible direct current converter station output Between the mechanism that influences each other, for grasp combined hybrid system characteristic, formulate effective stability contorting measure, technical support hand be provided Section.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the emulation test method flow chart of present invention identification flexible direct current non-linear power characteristic;
Fig. 2 is flexible direct current of the present invention and AC network combined hybrid system simulation model;
Fig. 3 is the excitation of flexible direct current change of current busbar voltage large disturbances and its alternating current response of the present invention;
Fig. 4 is flexible direct current change of current busbar voltage large disturbances excitation of the present invention and its active and reactive response;
Fig. 5 is the characteristic curve under the fixed active and fixed idle mode of flexible direct current of the present invention;
Fig. 6 is the characteristic curve under the fixed active and constant voltage mode of flexible direct current of the present invention;
Fig. 7 be in FRTS parameter on the characteristic influence of flexible direct current;
Fig. 8 is initial launch power on the characteristic influence of flexible direct current;
Fig. 9 is the operating condition that combined hybrid system typical case runs under AC network varying strength.
Specific embodiment
As depicted in figs. 1 and 2, the present embodiment provides a kind of emulation testing sides for recognizing flexible direct current non-linear power characteristic Method includes the following steps: step S1: establishing flexible direct current and AC network combined hybrid system simulation model, makes the flexible direct current change of current It stands and 10 is connected with AC network Thevenin's equivalence system 20, and the flexible direct current converter station 10 and flexible direct current control system phase Even;Step S2: it simulates 20 built-in potential of AC network Thevenin's equivalence system and falls and promoted as the half period;Step S3: logical It crosses and applies potential perturbation into the AC network Thevenin's equivalence system 20, calculated through time-domain-simulation, extract flexible direct current and change Flow bus voltage amplitude, the active power of flexible direct current converter station output and reactive power and the flexible direct current control system The response data of internal related electric amount;Step S4: the converter station active power changed with change of current busbar voltage and idle is drawn The characteristic curves such as power.
The emulation test method that flexible direct current non-linear power characteristic is recognized described in the present embodiment, in the step S1, builds Vertical flexible direct current and AC network combined hybrid system simulation model, it is special to test flexible direct current converter station large disturbances power response Property, the flexible direct current converter station is connected with AC network Thevenin's equivalence system, and the flexible direct current converter station and flexibility DC control system is connected, to realize the phase of the flexible direct current control system with the AC network Thevenin's equivalence system Even;It in the step S2, simulates 20 built-in potential of AC network Thevenin's equivalence system and falls and promoted as the half period, implement Large disturbances excitation;In the step S3, by applying potential perturbation into the AC network Thevenin's equivalence system 20, through when Domain simulation calculation extracts flexible direct current change of current bus voltage amplitude, the active power of flexible direct current converter station output and idle function The response data of rate and the flexible direct current related electric amount inside the control system, thus be conducive to position crucial effect because Element;In the step S4, the characteristic curves such as the converter station active power changed with change of current busbar voltage and reactive power, energy are drawn Enough flexible direct current control mode, controller parameters intuitively, clearly investigated are to flexible direct current change of current bus voltage amplitude and flexibility The influence of the active power and reactive power of DC converter station output and flexible direct current change of current bus voltage amplitude and flexibility are straight The mechanism that influences each other between the active power and reactive power of converter station output is flowed, to grasp combined hybrid system characteristic, formulation has The stability contorting measure of effect, provides technical support means.
The method for establishing flexible direct current Yu AC network combined hybrid system simulation model are as follows: soft using electric system simulation Part PSD-BPA (Power System Analysis Software) or electric system simulation synthesizer PSASP (Power System Analysis Software Package) simulation model is established, to test flexible direct current converter station large disturbances power Response characteristic.As shown in Fig. 2, the flexible direct current converter station 10 is exchanged by AC network Thevenin's equivalence internal reactance with described Power grid Thevenin's equivalence system 20 is connected, to be conducive to test flexible direct current converter station large disturbances power response characteristic.
20 built-in potential of AC network Thevenin's equivalence system is Es, andWherein Es0、ΔEsAnd ωsThe respectively described AC network is worn 20 built-in potential Steady-state Initial of the valve systems such as Wei Nan, perturbation amplitude and disturbance angular frequency, tfTo disturb start time.
It how is described in detail below by the 20 built-in potential Es of AC network Thevenin's equivalence system positioning crucial effect Factor.As Δ Es=1.0pu, ωs=0.3927rad/s, tfThe change of current busbar voltage U of=1.0ssSubstantially fall and is disturbed with what is gone up Dynamic excitation, the d axis of VSC output and the large disturbances transient response of q shaft current are as shown in figure 3, so that it is determined that large disturbances motivate and soft The dq axis component of property DC converter alternating current, wherein VSC generallys use the bicyclic solution for having outer ring and inner ring double-layer structure Coupling controller, in addition, also needing the rings such as analog voltage, current limit and fault traversing strategy towards VSC-HVDC Practical Project Section and the functions such as over-voltage and overcurrent protection;As Δ Es=1.0pu, ωs=0.3927rad/s, tfThe change of current bus of=1.0s Voltage UsSubstantially fall and is motivated with the disturbance gone up, active power that flexible direct current inverter is absorbed from AC network and idle Power is as shown in Fig. 4, so that it is determined that the active and reactive power that flexible direct current inverter is exchanged with AC network;Using disturbing greatly Dynamic advocate approach, the flexible direct current of acquisition is fixed active and determines the U under idle control modes-PcAnd Us-QcCharacteristic curve, such as attached drawing 5 It is shown, so that it is determined that U under the fixed active and fixed idle control mode of flexible direct currents-PcAnd Us-QcCharacteristic curve;Swashed using large disturbances Method is encouraged, the U under the fixed active and constant voltage control mode of flexible direct current of acquisition is recognizeds-PcAnd Us-QcCharacteristic curve, such as attached drawing 6 It is shown, so that it is determined that U under the fixed active and constant voltage control mode of flexible direct currents-PcAnd Us-QcCharacteristic curve.
In addition, flexible direct current inverter is using fixed active PcSurely idle QcControl mode, reference value PcrefAnd QcrefRespectively For 1250MW and 200MVar, relevant parameter value is U in fault traversing logicsL1=0.8pu, UsL2=0.5pu, UsH= 0.7pu、IcdF=0.6pu, Icuplim=1.0pu/s.In corresponding company Es, Δ Es=1.0pu, ωs=0.3927rad/s, tf= The change of current busbar voltage U of 1.0ssLarge disturbances excitation, the active P that flexible direct current is exchanged with AC networkcWith idle QcCharacteristic it is bent Line Us-PcAnd Us-QcAs shown in Fig. 6.
After the completion of the step S4, consider control parameter on characteristic influence.Specifically, also it is further contemplated that control Parameter processed is to characteristic curve Us-PcAnd Us-QcInfluence.I in corresponding FRTScdFValue is 3 kinds of 0.6pu, 0.5pu and 0.4pu Situation, Us-PcAnd Us-QcCorrelation curve it is as shown in Figure 7.As can be seen that in Us<UsL2Subnormal voltage operation section, reduce IcdF Value can accordingly reduce PcIt is horizontal.In addition, reducing IcdFIdentical P can be promotedcCorresponding working voltage Us
Also further consider flexible direct current operation power level on characteristic influence.Specifically, corresponding initial launch Power is 3 kinds of situations of 100%, 80% and 50% rated power PN, Us-PcAnd Us-QcCorrelation curve it is as shown in Figure 8.From figure 8 as can be seen that in Us<UsL2Subnormal voltage operation section in, reduce initial launch power can accordingly reduce PcIt is horizontal.In addition, subtracting Small initial launch power can promote identical PcCorresponding working voltage Us
Also further consider the operating condition of combined hybrid system under AC network varying strength.Specifically, passing through large disturbances On the basis of advocate approach obtains flexible direct current non-linear power characteristic, i.e., in combination with AC network power transfer characteristic, analysis is handed over Direct current combined hybrid system large disturbance stability.Fig. 9 show varying strength AC network power transfer characteristic curve U after failures-Ps With flexible direct current power characteristic Us-PcIntersection point situation, i.e. stable operating point situation after alternating current-direct current combined hybrid system large disturbances, Correspondence analysis serial-parallel power grid stability characteristic (quality) and corresponding control strategy can be formulated according to post-fault stable operating point, wherein 1.- 4. for AC network U under varying strengths-PsCharacteristic curve.
Obviously, the above embodiments are merely examples for clarifying the description, does not limit the embodiments.For For those of ordinary skill in the art, other different form variations can also be made on the basis of the above description or are become It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change It moves still within the protection scope of the invention.

Claims (7)

1.一种辨识柔性直流非线性功率特性的仿真测试方法,其特征在于,包括如下步骤:1. a simulation test method for identifying flexible DC nonlinear power characteristics, is characterized in that, comprises the steps: 步骤S1:建立柔性直流与交流电网混联系统仿真模型,使柔性直流换流站与交流电网戴维南等值系统相连,且所述柔性直流换流站与柔性直流控制系统相连;Step S1: establishing a simulation model of a flexible DC and AC grid hybrid system, so that the flexible DC converter station is connected to the Thevenin equivalent system of the AC grid, and the flexible DC converter station is connected to the flexible DC control system; 步骤S2:模拟所述交流电网戴维南等值系统内电势作半周期跌落和提升;Step S2: simulating the potential in the Thevenin equivalent system of the AC power grid for half-cycle drop and lift; 步骤S3:通过向所述交流电网戴维南等值系统内施加电势扰动,经时域仿真计算,提取柔性直流换流母线电压幅值、柔性直流换流站输出的有功功率和无功功率以及所述柔性直流控制系统内部相关电气量的响应数据;Step S3: By applying potential disturbance to the Thevenin equivalent system of the AC power grid, through time domain simulation calculation, extract the voltage amplitude of the flexible DC converter bus, the active power and reactive power output by the flexible DC converter station, and the Response data of relevant electrical quantities inside the flexible DC control system; 步骤S4:绘制随换流母线电压变化的换流站有功功率和无功功率等特性曲线。Step S4: Draw characteristic curves such as active power and reactive power of the converter station that vary with the voltage of the converter bus. 2.根据权利要求1所述辨识柔性直流非线性功率特性的仿真测试方法,其特征在于:所述建立柔性直流与交流电网混联系统仿真模型的方法为:利用电力系统仿真软件PSD-BPA或电力系统仿真综合程序PSASP建立仿真模型。2. The simulation test method for identifying flexible DC nonlinear power characteristics according to claim 1, characterized in that: the described method for establishing a flexible DC and AC power grid hybrid system simulation model is: using power system simulation software PSD-BPA or The power system simulation synthesis program PSASP establishes the simulation model. 3.根据权利要求2所述辨识柔性直流非线性功率特性的仿真测试方法,其特征在于:所述柔性直流换流站通过交流电网戴维南等值内电抗与所述交流电网戴维南等值系统相连。3 . The simulation test method for identifying flexible DC nonlinear power characteristics according to claim 2 , wherein the flexible DC converter station is connected to the AC grid Thevenin equivalent system through the AC grid Thevenin equivalent internal reactance. 4 . 4.根据权利要求1所述辨识柔性直流非线性功率特性的仿真测试方法,其特征在于:所述交流电网戴维南等值系统内电势为Es,且其中Es0、ΔEs和ωs分别为所述交流电网戴维南等值系统内电势稳态初值、扰动幅度和扰动角频率,tf为扰动开始时刻。4. The simulation test method for identifying flexible DC nonlinear power characteristics according to claim 1, wherein the electric potential in the Thevenin equivalent system of the AC power grid is Es, and Among them, E s0 , ΔE s and ω s are the initial steady-state potential value, disturbance amplitude and disturbance angular frequency in the Thevenin equivalent system of the AC grid, respectively, and t f is the disturbance start time. 5.根据权利要求1所述辨识柔性直流非线性功率特性的仿真测试方法,其特征在于:所述步骤S4完成后,考虑控制参数对特性曲线的影响。5 . The simulation test method for identifying flexible DC nonlinear power characteristics according to claim 1 , wherein: after the step S4 is completed, the influence of the control parameters on the characteristic curve is considered. 6 . 6.根据权利要求1或5所述辨识柔性直流非线性功率特性的仿真测试方法,其特征在于:还进一步考虑柔性直流运行功率水平对特性曲线的影响。6 . The simulation test method for identifying the nonlinear power characteristics of the flexible DC according to claim 1 or 5 , wherein the influence of the flexible DC operating power level on the characteristic curve is further considered. 7 . 7.根据权利要求1所述辨识柔性直流非线性功率特性的仿真测试方法,其特征在于:还进一步考虑交流电网不同强度下混联系统的运行工况。7 . The simulation test method for identifying flexible DC nonlinear power characteristics according to claim 1 , wherein the operating conditions of the hybrid system under different strengths of the AC power grid are further considered. 8 .
CN201811107271.1A 2018-09-21 2018-09-21 Simulation test method for identifying flexible direct current nonlinear power characteristics Active CN109212352B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811107271.1A CN109212352B (en) 2018-09-21 2018-09-21 Simulation test method for identifying flexible direct current nonlinear power characteristics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811107271.1A CN109212352B (en) 2018-09-21 2018-09-21 Simulation test method for identifying flexible direct current nonlinear power characteristics

Publications (2)

Publication Number Publication Date
CN109212352A true CN109212352A (en) 2019-01-15
CN109212352B CN109212352B (en) 2022-10-11

Family

ID=64985354

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811107271.1A Active CN109212352B (en) 2018-09-21 2018-09-21 Simulation test method for identifying flexible direct current nonlinear power characteristics

Country Status (1)

Country Link
CN (1) CN109212352B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112417671A (en) * 2020-11-18 2021-02-26 奇瑞汽车股份有限公司 Method, device and storage medium for obtaining engine universal characteristic curve data
CN115986779A (en) * 2023-03-21 2023-04-18 中国电力科学研究院有限公司 A response-based frequency stability discrimination and control method and system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012174827A1 (en) * 2011-06-24 2012-12-27 中国电力科学研究院 Physical real-time dynamic simulation device for flexible direct-current transmission system
CN203630230U (en) * 2013-07-22 2014-06-04 国家电网公司 Simulation test system in flexible direct current system and wind farm parallel connection mode
CN104393617A (en) * 2014-11-20 2015-03-04 华北电力大学(保定) Topological structure of multi-terminal flexible direct-current power distribution network dynamic simulation experiment system
WO2015081897A1 (en) * 2013-12-05 2015-06-11 国家电网公司 Device and method for testing steady-state operation of mmc flexible direct current sub-module
CN204790353U (en) * 2015-07-08 2015-11-18 中国南方电网有限责任公司电网技术研究中心 Hybrid simulation system for hybrid simulation of power system
CN106410835A (en) * 2016-10-12 2017-02-15 北京科东电力控制系统有限责任公司 Power grid simulation realization method of multi-terminal flexible direct-current transmission system
CN106953330A (en) * 2017-04-27 2017-07-14 上海交通大学 A power flow controller and control method for flexible DC distribution network
CN107123981A (en) * 2017-03-31 2017-09-01 全球能源互联网研究院 Flexible direct current and direct current network electromechanical transient simulation method and system based on MMC
CN107942172A (en) * 2017-12-01 2018-04-20 华北电力科学研究院有限责任公司 The damping characteristic test system and method for wind turbine and flexible DC power transmission association system
CN108011391A (en) * 2017-12-13 2018-05-08 武汉大学 The flexible DC power transmission hybrid simulation system power interface algorithm of virtual resistance compensation

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012174827A1 (en) * 2011-06-24 2012-12-27 中国电力科学研究院 Physical real-time dynamic simulation device for flexible direct-current transmission system
CN203630230U (en) * 2013-07-22 2014-06-04 国家电网公司 Simulation test system in flexible direct current system and wind farm parallel connection mode
WO2015081897A1 (en) * 2013-12-05 2015-06-11 国家电网公司 Device and method for testing steady-state operation of mmc flexible direct current sub-module
CN104393617A (en) * 2014-11-20 2015-03-04 华北电力大学(保定) Topological structure of multi-terminal flexible direct-current power distribution network dynamic simulation experiment system
CN204790353U (en) * 2015-07-08 2015-11-18 中国南方电网有限责任公司电网技术研究中心 Hybrid simulation system for hybrid simulation of power system
CN106410835A (en) * 2016-10-12 2017-02-15 北京科东电力控制系统有限责任公司 Power grid simulation realization method of multi-terminal flexible direct-current transmission system
CN107123981A (en) * 2017-03-31 2017-09-01 全球能源互联网研究院 Flexible direct current and direct current network electromechanical transient simulation method and system based on MMC
CN106953330A (en) * 2017-04-27 2017-07-14 上海交通大学 A power flow controller and control method for flexible DC distribution network
CN107942172A (en) * 2017-12-01 2018-04-20 华北电力科学研究院有限责任公司 The damping characteristic test system and method for wind turbine and flexible DC power transmission association system
CN108011391A (en) * 2017-12-13 2018-05-08 武汉大学 The flexible DC power transmission hybrid simulation system power interface algorithm of virtual resistance compensation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张宇斌等: "柔性直流输电系统建模与仿真", 《山东电力技术》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112417671A (en) * 2020-11-18 2021-02-26 奇瑞汽车股份有限公司 Method, device and storage medium for obtaining engine universal characteristic curve data
CN115986779A (en) * 2023-03-21 2023-04-18 中国电力科学研究院有限公司 A response-based frequency stability discrimination and control method and system

Also Published As

Publication number Publication date
CN109212352B (en) 2022-10-11

Similar Documents

Publication Publication Date Title
Cheng et al. Reactance scan crossover-based approach for investigating SSCI concerns for DFIG-based wind turbines
WO2018014450A1 (en) Rt-lab-based real microgrid operation dynamic simulation testing platform
CN103605014A (en) Test platform for large energy storage converters
Jalili-Marandi et al. A real-time dynamic simulation tool for transmission and distribution power systems
Jia et al. Fault characteristics and protection adaptability analysis in VSC‐HVDC‐connected offshore wind farm integration system
CN103472325B (en) The detection platform of a kind of wave energy and marine tidal-current energy stand alone generating system
CN109240124A (en) A kind of electric power stability control strategy analogue system
CN102591319A (en) Test device and test method for STATCOM (Static Synchronous Compensator) controller
CN107069800A (en) A kind of method for building up of double-fed fan motor short circuit current flow model
CN108281986A (en) The impedance modeling of voltage-controlled type virtual synchronous generator and method for analyzing stability
CN105388378A (en) Dynamic Voltage Restorer Voltage Support Experimental Test Platform and Method Based on Super Capacitor
CN110137949A (en) A kind of method and device for the mains by harmonics characteristic obtaining the station containing new energy
CN110135039B (en) Method and device for determining three-phase voltage unbalance degree in wind power collection area
CN110323745A (en) Analysis method for AC-DC side harmonic transmission characteristics of modular multilevel converter
CN109782732A (en) A kind of half circuit control device test platform in kind
CN103997060B (en) A kind of grid-connected photovoltaic power generation system machine-electricity transient model controlled based on power decoupled
CN206331054U (en) A kind of flexible transmission system analogue means of polymorphic type based on MMC
CN106443263A (en) System and method for testing sub-synchronous oscillation suppression of SVG (Static Var Generator) based on RTDS (Real Time Digital Simulator)
CN105527545A (en) DC power distribution network dynamic simulation experimental device and method
CN109212352A (en) Recognize the emulation test method of flexible direct current non-linear power characteristic
Pillai et al. Transient stability analysis of wind integrated power systems with storage using central area controller
CN106406272A (en) Method of testing performance of controller of static var generator in wind power plant
CN109635374B (en) Short-circuit current calculation method and device based on dynamic phasor time domain method
CN105281324A (en) Subsynchronous oscillation assessment method of electric power system
CN112072651A (en) Transient voltage instability and power angle instability identification method based on transient energy function

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant