CN202110440U - Direct-drive wind-driven generator frequency-variable controller closed loop test system - Google Patents
Direct-drive wind-driven generator frequency-variable controller closed loop test system Download PDFInfo
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- CN202110440U CN202110440U CN201120184216XU CN201120184216U CN202110440U CN 202110440 U CN202110440 U CN 202110440U CN 201120184216X U CN201120184216X U CN 201120184216XU CN 201120184216 U CN201120184216 U CN 201120184216U CN 202110440 U CN202110440 U CN 202110440U
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- driven generator
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Abstract
The utility model relates to wind power generation, in particular to a system which carries out real-time and emulational closed loop test on a direct-drive wind-driven generator frequency-variable controller. The direct-drive wind-driven generator frequency-variable controller closed loop test system comprises a real-time digital simulation workstation, an RTDS (real time digital system) real-time digital simulator, an analog output and input board, a digital output and input board, a switch value conversion device, the direct-drive wind-driven generator frequency-variable controller and a wind-driven generator master controller, wherein the RTDS simulator is connected with a simulation workstation through an Ethernet and connected with various input and output boards through optical fibers; and other devices are connected through hard wires. In the direct-drive wind-driven generator frequency-variable controller closed loop test system, the role of the simulation workstation is to establish a real-time simulation model comprising a power grid environment and a wind-driven generator, and the digital simulator outputs voltage, magnitude of current and position contact points of a main switch of synchronization to the frequency-variable controller through operation and simultaneously receives trigger pulse input by the frequency-variable controller from each valve of the frequency-variable controller so that the direct-drive wind-driven generator in the simulation model can safely run under instructions of the frequency-variable controller and the wind-driven generator master controller. The direct-drive wind-driven generator frequency-variable controller closed loop test system is simple to operate, convenient and practical.
Description
Technical field
The utility model relates to wind power generation field, relates in particular to direct-driving type wind power generation machine frequency-variable controller.
Background technology
Present direct-driving type wind power generation machine often adopts no speedup tooth case impeller directly to drive the magneto alternator technology; Its whole electric power embody after being incorporated into the power networks through supporting frequency converter; Thus, the electrical specification that is actually by frequency converter of the electrical specification that is incorporated into the power networks of blower fan decides.
For the comparatively flourishing country of some wind-powered electricity generation development; All establish national networking examination criteria; Wind-powered electricity generation networks to be needed to do to network through electrical network approval department earlier to detect; Just be able to after up to standard allow, all do not have the networking of doing of system to detect but China's present case is most wind-powered electricity generation units, main cause is owing to lack detection means.Though also do some detections that network; Like low voltage ride-through capability speech with regard to aerogenerator; Can only substitute low-voltage at present passes through car and makes an experiment; Because it is long with the time that this test need expend huge human and material resources, and receive the on-the-spot many uncertain factors of wind-powered electricity generation influence and aerogenerator some other fit and net performances adaptability of system frequency (for example to) and restrict, all there are certain limitation in the scope of detection and effect; Cause in actual motion, unavoidable because power network fluctuation or other cause the off-grid of large quantities of aerogenerators unusually.The existence of these problems all with detect ineffective relevant to wherein key link frequency-variable controller.
The utility model content
Based on above-mentioned factor, the purpose of the utility model just is: overcome the deficiency of prior art means, to direct-driving type wind power generation machine frequency-variable controller a kind of closed loop test system flexible, fast reliable and that can carry out the polytype test of testing is provided.
The utility model direct-driving type wind power generation machine frequency-variable controller closed loop test system; Be one in real time, the digital model formula verification platform of emulation; By aerogenerator real-time emulation system and simulation electrical network environment structure; It is characterized in that: described generator real-time emulation system is as shown in Figure 1; Include the real-timedigital simulation workstation 9 that to set up digital model, the RTDS Real Time Digital Simulator 1 that can calculate in real time, analog quantity output integrated circuit board 2, analog quantity input integrated circuit board 3, digital quantity input integrated circuit board 4, digital quantity output integrated circuit board 7, switching value conversion equipment 5, direct-driving type wind power generation machine frequency-variable controller 6 and direct-driving type wind power generation machine master controller 8; The core of RTDS Real Time Digital Simulator 1 test platform wherein, it is connected with direct-drive fan frequency converter controller 6 through analog quantity output integrated circuit board 2, and the voltage of output 0～10v is to this frequency converter controller 6; Be connected with blower fan master control 8 through analog quantity tablet 3 again simultaneously; Acceptance is from 0～10V voltage here, and on the other hand, RTDS emulator 1 is connected with switching value conversion equipment 5 through digital quantity input integrated circuit board 4 again; This conversion equipment 5 is connected with direct-drive fan frequency-variable controller 6 again; Simultaneously, fan frequency conversion controller 6 through the digital quantity input integrated circuit board 4 defeated Real Time Digital Simulators 1 of getting back to, has so just formed the system of a closed test with self trigger pulse through each valve of frequency converter of calculating; Here; What RTDS Real Time Digital Simulator 1 was exported is each physical quantity such as nodes of locations signal of each controlled valve electric current of frequency converter, box type transformer low-pressure side three-phase voltage and each aerogenerator relative breaker, and what receive is the control trigger pulse (firepulse) of each controlled valve of frequency converter of sending of frequency-variable controller and active power, the reactive power that master controller calculates, with this; Under the power grid environment of having set up cooperates, constituted a real-time emulation system.Simulation power grid environment in the described real-time simulation digital model formula verification platform is as shown in Figure 2, include that wind energy conversion system, frequency converter, aerogenerator EXPORT CARTON become, the defeated line of wind energy turbine set master, main-transformer, etc. each trouble spot in valve system and the simulation system.
This real-timedigital simulation work system is a closed loop detection platform; Its mass action is exactly under the power grid environment of having set up cooperates; Direct-driving type wind power generation machine frequency-variable controller is carried out closed test, be used for judging the operating characteristic of direct-driving type wind power generation machine frequency-variable controller thus.In the entire test, the permanent magnet direct-drive generator receives the mechanical output of wind energy conversion system output, is connected with frequency converter; Frequency converter is connected with the case change, and the case change is connected with main transformer, and main transformer is connected with waiting valve system through transmission line; Synchronous generator also is connected with waiting valve system through other circuit simultaneously; Constitute a closed test model with this, can in experimentation, can regulate wind speed, control the control model that blower fan was incorporated into the power networks, separated net and changes blower fan, in addition; Press on side, main transformer high-pressure side and the transmission line box the uprising of blower fan that totally six points also are provided with all kinds of Test to Failure point K; The adjusting of the size etc. of fault type, trouble duration and transition resistance is carried out in connected mode test according to this, realizes direct-driving type wind power generation machine frequency-variable controller is accomplished the closed-loop characteristic test.Simultaneously; Through this closed test platform of RTDS Real Time Digital Simulator; Remove direct-driving type wind power generation machine frequency-variable controller is carried out outside the deep simulation study; Still can examine the acting characteristic of direct-driving type wind power generation machine frequency-variable controller on the one hand, on the other hand can research equipment to the influence of security of system stability, and then guarantee the safe and stable operation after wind-powered electricity generation inserts electrical network.After this straight body type aerogenerator frequency-variable controller closed-loop system test; To compare degree of agreement higher for the on-the-spot record of the synchronous generator ripple figure that directly drives of gained test findings and same model; Show that this closed loop test system test findings meets reality; And this test method is simple to operate, and is convenient and practical.
Description of drawings
Fig. 1 is the analogue system topological diagram of the utility model.
Fig. 2 is the signal of the utility model realistic model primary system.
Each English code name is among the figure: K is each trouble spot, and T is a transformer, and DL is a short-circuiting device, and L, M, N are bus.
Embodiment
The utility model is a kind of direct-driving type wind power generation machine frequency-variable controller closed test emulation verification platform based on the RTDS emulator, is connected by RTDS real-timedigital simulation workstation, RTDS Real Time Digital Simulator and all kinds of input thereof, output interface, aerogenerator master controller, frequency-variable controller to constitute.Wherein real-timedigital simulation workstation and Real Time Digital Simulator interconnect through Ethernet, and the optical fiber that is connected to of integrated circuit board is imported in RTDS emulator and each output, and the rigid line that is connected between the miscellaneous equipment connects.Like Fig. 1; RTDS emulator 1 outputs to the analog acquisition passage of current-variable controller 6 through analog quantity output integrated circuit board 2 with analog quantity, simultaneously; Its digital quantity is connected the digital data acquisition passage that outputs to current-variable controller 6 through digital quantity output integrated circuit board 7 with switching value conversion equipment 5; After through digital quantity input integrated circuit board 4 pulse signal that frequency-variable controller 6 is produced is fed back to the RTDS emulator again, on the other hand, RTDS emulator 1 also is connected with the analog input channel of blower fan master control 8; Can accomplish emulation with this and detect with the analog quantity that collects after analog quantity input integrated circuit board 3 sends back to the RTDS emulator.
Above-mentioned whole closed loop detects the power grid environment that simulation need be arranged and cooperates, and is as shown in Figure 2, and this power grid environment such as comprises at valve system, four buses, two circuits, at least seven isolating switch DL
1～DL
7, three main-transformer T
1～T
3, a permanent magnet direct-drive generator, a frequency converter, a wind energy conversion system and at least six short-circuit fault test point K
1～6, its concrete connected mode is: the permanent magnet direct-drive generator is accepted the mechanical output of wind energy conversion system output, and is connected with frequency-variable controller, and frequency converter is through aerogenerator isolating switch DL
1Become low-pressure side with case and be connected, case becomes the high-pressure side and is connected with the main transformer low-pressure side, and the main transformer high-pressure side is through isolating switch DL
2, DL
3Be connected with bus L, N, the other side of bus M, L is through isolating switch DL
4Be connected with waiting valve system, synchronous generator is connected to transformer T
3Low-pressure side, transformer T
3The high-pressure side is through isolating switch DL
5, DL
6, circuit MN, DL
7Be connected short-circuit test point K with waiting valve system
1Be connected on the wind field side 35kV bus short-circuit test point K
2Be connected on the wind field side 220kV bus short-circuit test point K
3Be connected to the wind energy turbine set side of circuit LN, short-circuit test point K
4(in process of the test, can change K in the middle of being connected to circuit LN
2Position in the line), short-circuit test point K
5Be connected to the equivalent system side of circuit LN, short-circuit test point K
6Be connected on the equivalent system side bus.
Above-mentioned connected mode promptly becomes a simulation work test platform, and the simulation of being incorporated into the power networks, wind speed variation, low voltage ride-through capability checking, the checking of high voltage ride-through capability, system frequency excursion, system oscillation, wind energy conversion system power adjustments, the adjusting of the wind energy conversion system method of operation etc. of accomplishing the direct-driving type wind power generation machine through this platform are the performance of blower fan comprehensively.
Claims (2)
1. direct-driving type wind power generation machine frequency-variable controller closed loop test system; It is real-time, a simulated digital formula verification platform; By aerogenerator real-time emulation system and simulation electrical network environment structure; It is characterized in that: the real-time emulation system of said aerogenerator is made up of real-timedigital simulation workstation (9), RTDS Real Time Digital Simulator (1), analog quantity output integrated circuit board (2), analog quantity input integrated circuit board (3), digital quantity input integrated circuit board (4), digital quantity output integrated circuit board (7), switching value conversion equipment (5), direct-driving type wind power generation machine frequency converter controller (6), direct-driving type wind power generation machine master controller (8); RTDS Real Time Digital Simulator (1) wherein is the core in the closed loop test system; Be connected through Ethernet with the real-timedigital simulation workstation; On the one hand, it is connected output voltage values through analog quantity output integrated circuit board (2) with direct-drive fan frequency converter controller (6), is connected with blower fan master controller (8) through analog quantity input integrated circuit board (3) again simultaneously to receive magnitude of voltage; On the other hand; RTDS emulator (1) is connected with switching value conversion equipment (5) through digital quantity output integrated circuit board (4) again, and the output digital signal is to direct-drive fan frequency converter controller (6), simultaneously; Fan frequency converter controller (6) feeds back to real-time simulator (1) with self trigger pulse through each valve of frequency converter of calculating through digital quantity input integrated circuit board (4), has so just formed the system of a closed test; The power grid environment of said foundation includes each trouble spot in wind energy conversion system, frequency converter, the change of aerogenerator EXPORT CARTON, the defeated line of wind energy turbine set master, main-transformer, equivalent Infinite bus system and the simulation system.
2. direct-driving type wind power generation machine frequency-variable controller closed loop test system according to claim 1 is characterized in that in the described power grid environment, one of wind energy conversion system, one in frequency converter, two circuits and four buses, three main-transformer T
1～T
3, at least seven isolating switch DL
1～DL
7, at least six short-circuit fault test point K
1～K
6, one in permanent magnet direct-drive generator, its concrete connected mode is: the permanent magnet direct-drive generator is accepted the mechanical output of wind energy conversion system output, and is connected with frequency converter, and frequency converter is through wind driven generator principal switch disconnector DL
1Be connected to case and become low-pressure side, the high-pressure side that this case becomes is connected with the main transformer low-pressure side, and the main transformer high-pressure side is through isolating switch DL
2, DL
3LN is connected with circuit, and the other side of circuit LN is through isolating switch DL
4Be connected with waiting valve system, synchronous generator is connected to transformer T
3Low-pressure side, transformer T
3The high-pressure side is through isolating switch DL
5, DL
6, circuit MN, DL
7Be connected short-circuit test point K with waiting valve system
1Be connected on the wind field side 35kV bus short-circuit test point K
2Be connected on the wind field side 220kV bus short-circuit test point K
3Be connected to the wind energy turbine set side of circuit LN, short-circuit test point K
4Generally be connected to circuit LN centre position, short-circuit test point K
5Be connected to the equivalent system side of circuit LN, short-circuit test point K
6Be connected on the equivalent system side bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120184216XU CN202110440U (en) | 2011-05-26 | 2011-05-26 | Direct-drive wind-driven generator frequency-variable controller closed loop test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120184216XU CN202110440U (en) | 2011-05-26 | 2011-05-26 | Direct-drive wind-driven generator frequency-variable controller closed loop test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110440U true CN202110440U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120184216XU Expired - Fee Related CN202110440U (en) | 2011-05-26 | 2011-05-26 | Direct-drive wind-driven generator frequency-variable controller closed loop test system |
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| CN103117555A (en) * | 2013-02-01 | 2013-05-22 | 东南大学 | Novel integrated device of solar energy assisted thermal power station |
| CN103777525A (en) * | 2014-02-26 | 2014-05-07 | 华北电力大学 | User-defined interface of wind power station simulation machine and RTDS (real time digital simulator) |
| CN103970120A (en) * | 2013-12-20 | 2014-08-06 | 国家电网公司 | RTDS (real-time digital system) closed-loop testing method for energy storage variable-current controllers |
| CN104111394A (en) * | 2014-07-17 | 2014-10-22 | 国家电网公司 | RTDS (Real Time Digital System) based photovoltaic grid-connected system islanding-proof protection device testing platform |
| CN104122802A (en) * | 2014-08-01 | 2014-10-29 | 南京南瑞继保电气有限公司 | RTDS simulation system of static variable frequency system |
| CN104834229A (en) * | 2015-05-13 | 2015-08-12 | 国网智能电网研究院 | Power closed-loop real-time simulation test system and power closed-loop real-time simulation test method |
| CN105022384A (en) * | 2015-07-01 | 2015-11-04 | 国家电网公司 | LVRT (Low Voltage Ride Through) closed-loop simulation test method of controller of high-voltage frequency converter of thermal plant |
| CN105549420A (en) * | 2015-12-22 | 2016-05-04 | 南京南瑞集团公司 | Real-time simulation test method of direct-driving draught-fan variable flow control system |
| CN108508360A (en) * | 2018-03-26 | 2018-09-07 | 华北电力科学研究院有限责任公司 | Based on RT-Lab Double-feed wind powers virtual synchronous generator performance test method and system |
| CN111413642A (en) * | 2020-04-13 | 2020-07-14 | 浙江华电器材检测研究所有限公司 | Impact compensation circuit for sudden short-circuit test of transformer |
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- 2011-05-26 CN CN201120184216XU patent/CN202110440U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117555A (en) * | 2013-02-01 | 2013-05-22 | 东南大学 | Novel integrated device of solar energy assisted thermal power station |
| CN103970120A (en) * | 2013-12-20 | 2014-08-06 | 国家电网公司 | RTDS (real-time digital system) closed-loop testing method for energy storage variable-current controllers |
| CN103777525B (en) * | 2014-02-26 | 2016-01-13 | 华北电力大学 | The self defined interface of wind energy turbine set replicating machine and RTDS emulator |
| CN103777525A (en) * | 2014-02-26 | 2014-05-07 | 华北电力大学 | User-defined interface of wind power station simulation machine and RTDS (real time digital simulator) |
| CN104111394A (en) * | 2014-07-17 | 2014-10-22 | 国家电网公司 | RTDS (Real Time Digital System) based photovoltaic grid-connected system islanding-proof protection device testing platform |
| CN104122802A (en) * | 2014-08-01 | 2014-10-29 | 南京南瑞继保电气有限公司 | RTDS simulation system of static variable frequency system |
| CN104834229B (en) * | 2015-05-13 | 2018-01-19 | 国网智能电网研究院 | A kind of power closed loop real-time simulation test system and method |
| CN104834229A (en) * | 2015-05-13 | 2015-08-12 | 国网智能电网研究院 | Power closed-loop real-time simulation test system and power closed-loop real-time simulation test method |
| CN105022384A (en) * | 2015-07-01 | 2015-11-04 | 国家电网公司 | LVRT (Low Voltage Ride Through) closed-loop simulation test method of controller of high-voltage frequency converter of thermal plant |
| CN105549420A (en) * | 2015-12-22 | 2016-05-04 | 南京南瑞集团公司 | Real-time simulation test method of direct-driving draught-fan variable flow control system |
| CN108508360A (en) * | 2018-03-26 | 2018-09-07 | 华北电力科学研究院有限责任公司 | Based on RT-Lab Double-feed wind powers virtual synchronous generator performance test method and system |
| CN108508360B (en) * | 2018-03-26 | 2024-05-10 | 华北电力科学研究院有限责任公司 | RT-Lab-based doubly-fed wind power virtual synchronous generator performance test method and system |
| CN111413642A (en) * | 2020-04-13 | 2020-07-14 | 浙江华电器材检测研究所有限公司 | Impact compensation circuit for sudden short-circuit test of transformer |
| CN114488844A (en) * | 2021-12-24 | 2022-05-13 | 中车永济电机有限公司 | Three-level bidirectional DC-DC charger semi-physical test platform and test method |
| CN114488844B (en) * | 2021-12-24 | 2023-10-13 | 中车永济电机有限公司 | Three-level bidirectional DC-DC charger semi-physical test platform and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20150526 |
|
| EXPY | Termination of patent right or utility model |