CN203133859U - Simulation device of minimum triggering angle limiter of rectifier - Google Patents
Simulation device of minimum triggering angle limiter of rectifier Download PDFInfo
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- CN203133859U CN203133859U CN2013201508587U CN201320150858U CN203133859U CN 203133859 U CN203133859 U CN 203133859U CN 2013201508587 U CN2013201508587 U CN 2013201508587U CN 201320150858 U CN201320150858 U CN 201320150858U CN 203133859 U CN203133859 U CN 203133859U
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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
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The utility model relates to a simulation device of a minimum triggering angle limiter of a rectifier, which belongs to the field of electrical measurement, in particular to a simulation test device of a minimum triggering angle limiter of a rectifier, which is used for simulation research on a direct-current control protection system of high-voltage direct-current transmission equipment. A first inertial element and a first arithmetic element are connected to a Schmitt trigger, and an output end of the Schmitt trigger is connected to a first triggering signal forming module; a second inertial element and a second arithmetic element are connected to a comparator, and an output end of the comparator is connected to a second triggering signal forming module and then connected to an AND gate through a second OR gate; and the triggering signal forming module comprises a first phase inverter, a first timer, a second timer, a third timer, a first OR gate and an SR (Set-Reset) trigger, wherein the first phase inverter is connected to the SR trigger through the second timer. According to the simulation device, an operating state of a direct-current control protection device can be really simulated and reflected, and corresponding simulation results are provided for researching or designing the direct-current control protection device.
Description
Technical field
The utility model belongs to the electric measurement field, relates in particular to a kind of rectifier minimum trigger angle limiter simulation testing device of the DC control protection system simulation research for high-voltage direct-current transmission system.
Background technology
The continuous growth of electricity needs has caused transmission system to develop to the direction of growing distance, big capacity and high stability.Along with the ultra-high voltage AC transmission engineering in each electrical network zone and the construction project of high voltage direct current transmission project constantly increase, the electrical network of power consumption concentrated area presents the extra-high voltage alternating current-direct current series-parallel connection receiving end electrical network feature of tangible many direct currents feed-in, electric network composition is tight, electrical distance is tightr between many ac and dc circuits, behind extra-high voltage and the UHV (ultra-high voltage) fault in ac transmission system, easily cause and comprise high voltage direct current at many interior direct currents while commutation failures, and its rejuvenation of the commutation failure of many times direct currents will produce greater impact to AC system, if the recovery policy mismate of each straight-flow system, then also might cause many direct currents that continuous commutation failure takes place simultaneously, even cause the direct current locking.Many times bipolar locking takes place in direct current simultaneously, and a large amount of trends shift or on a large scale with the initiating system stable problem.Reciprocation between this ac and dc systems brings huge challenge for the safe operation of extra-high voltage alternating current-direct current series-parallel connection receiving end electrical network.
Therefore, in research or the design phase of high voltage direct current transmission project, must test and emulation for the stability of extra-high voltage alternating current-direct current series-parallel connection receiving end electrical network to the reciprocation between ac and dc systems, and with reference to test and simulation result, result to research or design verifies, the stability of system is assessed.China's utility model patent " a kind of many feed-ins DC transmission system real-timedigital simulation model " (utility model patent number: ZL201210532559.X Granted publication number: CN102945004A) disclose many feed-ins DC transmission system real-timedigital simulation model, it comprises the equivalent super high voltage direct current electricity transmission system of a plurality of parallel connections, and described super high voltage direct current electricity transmission system comprises primary system real-timedigital simulation model and electrical secondary system real-timedigital simulation model; Described primary system real-timedigital simulation model comprises current conversion station and DC power transmission line, and described current conversion station is arranged on the two ends of DC power transmission line; Described electrical secondary system real-timedigital simulation model comprises current conversion station control system and protection system, and described current conversion station control system is connected with current conversion station with protection system, is used for the operation of control and protection current conversion station.By control and the protection to the current conversion station operation of current conversion station control system and protection system, avoid easily causing behind the fault in ac transmission system impact that many times direct current simultaneous faultss and many times direct current faults and rejuvenation thereof produce AC system.But this realistic model does not relate to the emulation of rectifier minimum trigger angle limiter, truly the rectifier minimum trigger angle limiter running status of simulated high-pressure direct current transportation DC control protection system.
The utility model content
The purpose of this utility model is that a kind of rectifier minimum trigger angle limiter simulator will be provided; it can simulate the rectifier minimum trigger angle limiter state of reflection D.C. high voltage transmission DC control protection system truly; for the research of the rectifier minimum trigger angle limiter of DC control protective device or design provide corresponding simulation result, solve the technical matters that the research of rectifier minimum trigger angle limiter or design for the DC control protective device provide verification platform.
The utility model solves the problems of the technologies described above the technical scheme that adopts:
A kind of rectifier minimum trigger angle limiter simulator is arranged in the transverter trigger angle control device of DC control protection system, is used for the emulation of the DC control protection system of high-voltage direct-current transmission system, it is characterized in that:
Described rectifier minimum trigger angle limiter simulator comprises first inertance element, the first arithmetical operation element, this schmitt trigger, comparer, second phase inverter, second or the door, with door, second inertance element, the second arithmetical operation element, the 4th timer, the 5th timer, first trigger pip forms module and second trigger pip forms module; Minimum ac voltage signal is connected to the input end of described this schmitt trigger by described first inertance element and the first arithmetical operation element, and the output terminal of described this schmitt trigger is connected to the input end that described first trigger pip forms module; Described first trigger pip forms the output terminal of module, is connected to second or an input end of door; The instruction stop signal by the 4th timer be connected to second or the door another input end; The maximum a.c. voltage signal is by described second inertance element and the second arithmetical operation element, be connected to the input end of described comparer, the output terminal of described comparer, be connected to the input end that described second trigger pip forms module, described second trigger pip forms the output terminal of module, is connected to described second or the 3rd input end of door; Described second or the output terminal of door, be connected to an input end described and door, inhibit signal is connected to another input end described and door by described second phase inverter; The output terminal of described and door constitutes the RAML control signal end of described rectifier minimum trigger angle limiter simulator.
A kind of preferable technical scheme of rectifier minimum trigger angle limiter simulator of the present utility model is characterized in that described first trigger pip forms module and second trigger pip formation module is that two circuit structure identical triggering signals form modules; Described trigger pip forms module and comprises first phase inverter, first to the 3rd timer, first or door and set-reset flip-floop; The input end of described first phase inverter and first timer, being connected in parallel constitutes the input end that described trigger pip forms module; The output terminal of described first phase inverter by described second timer, is connected to the S input end of described set-reset flip-floop; The output terminal of described first timer, be connected to described first or the door an input end; Described first or the output terminal of door, be connected to the R input end of described set-reset flip-floop; The Q output terminal of described set-reset flip-floop, by described the 3rd timer, be connected to described first or the door another input end; The Q output terminal of described set-reset flip-floop constitutes the output terminal that described trigger pip forms module.
A kind of better technical scheme of rectifier minimum trigger angle limiter simulator of the present utility model is characterized in that described rectifier minimum trigger angle limiter simulator also comprises the 6th timer; The input end of described the 6th timer is connected to the second timer output terminal that described first trigger pip forms module, is connected in parallel with the S input end of described set-reset flip-floop; The output terminal of described the 6th timer constitutes the interchange fault-signal end of described rectifier minimum trigger angle limiter simulator.
The beneficial effects of the utility model are:
1. the rectifier minimum trigger angle limiter running status of DC control protective device can be simulated, be reflected to rectifier minimum trigger angle limiter simulator of the present utility model truly, for research or the design of DC control protective device provides corresponding simulation result;
2. rectifier minimum trigger angle limiter simulator of the present utility model has the advantage of cross-platform emulation testing, both can realize with actual components in true environment, can realize with computer software in virtual environment again;
Description of drawings
Fig. 1 is the theory diagram for the simulator of DC control protection system;
Fig. 2 is the circuit theory diagrams of rectifier minimum trigger angle limiter simulator of the present utility model.
The label of each parts among the above figure: 100-high-voltage direct-current transmission system; 110-alternating current filter switching device; the 120-converter power transformer; 130-thyristor converter device; the 200-control module; 210-angle, current/voltage reference value calculation element; 220-transverter trigger angle control device; 230-trigger pulse generation device, 240-change of current variation apparatus for controlling connection, 250-utmost point output control device; the 260-overload control apparatus; 270-Reactive Power Control device, 300-dc system protection unit, 900-operation control workstation.2201-first trigger pip forms module, 2202-second trigger pip forms module, 2211～2216-, first to the 6th timer, 2221-first inertance element, 2222-second inertance element, the 2231-first arithmetical operation element, the 2232-second arithmetical operation element, the 2233-comparer, 2241-Si schmitt trigger, 2242-SR trigger, 2251-first phase inverter, 2252-second phase inverter, 2253-first or door, 2254-second or door, 2255-and door, AC_FAULT-exchanges the fault-signal end, ORD_DOWN-instructs stop signal, RAML_Ctrl-RAML control signal end, RETARD-inhibit signal, the minimum ac voltage signal of UAC_MIN_H-, UAC_MAX_H-maximum a.c. voltage signal.
Embodiment
In order to understand technique scheme of the present utility model better, be explained in further detail below in conjunction with drawings and Examples.
Fig. 2 has showed an embodiment of rectifier minimum trigger angle limiter simulator of the present utility model, is connected in the transverter trigger angle control device of DC control protection system, is used for the emulation of the DC control protection system of high-voltage direct-current transmission system.One of basic functional units of the transverter trigger angle control device 220 that rectifier minimum trigger angle limiter simulator of the present utility model is the DC control protection system.The simulator of the DC control protection system of high-voltage direct-current transmission system as shown in Figure 1.
As shown in Figure 2, rectifier minimum trigger angle limiter simulator of the present utility model comprises first inertance element, 2221, the first arithmetical operation elements 2231, this schmitt trigger 2241, comparer 2233, the second phase inverters 2252, the second or door 2254, with door 2255, second inertance element, 2222, the second arithmetical operation elements, 2232, the four timer 2s 214, the 5th timer 2 215, the first trigger pips form module 2201 and second trigger pip forms module 2202;
Minimum ac voltage signal UAC_MIN_H is by first inertance element 2221 and the first arithmetical operation element 2231, be connected to the input end of this schmitt trigger 2241, the output terminal of this schmitt trigger 2241 is connected to the input end that first trigger pip forms module 2201; First trigger pip forms the output terminal 2201 of module, is connected to second or an input end of door 2254; Instruction stop signal ORD_DOWN is connected to second or another input end of door 2254 by the 4th timer 2 214;
Maximum a.c. voltage signal UAC_MAX_H is by second inertance element 2222 and the second arithmetical operation element 2232, be connected to the input end of comparer 2233, the output terminal of comparer 2233, be connected to the input end that second trigger pip forms module 2202, second trigger pip forms the output terminal of module 2202, is connected to second or the 3rd input end of door 2254;
Second or door 2254 output terminal, be connected to an input end with door 2255, inhibit signal RETARD is connected to another input end with door 2255 by second phase inverter 2252; With the output terminal of door 2255, constitute the RAML control signal end RAML_Ctrl of rectifier minimum trigger angle limiter simulator of the present utility model.Wherein, RAML is the abbreviation of rectifier minimum trigger angle limiter.
According to the embodiment of rectifier minimum trigger angle limiter simulator of the present utility model shown in Figure 2, it is identical with second trigger pip formation module, 2202 circuit structures that first trigger pip forms module 2201; Two trigger pips form the circuit structure of module, shown in first trigger pip formation module 2201 of the frame of broken lines inside among Fig. 2, comprise first phase inverter, 2251, the first to the 3rd timer 2s 211～2213, first or door 2253 and set-reset flip-floop 2242; The input end of first phase inverter 2251 and first timer 2211, being connected in parallel constitutes the input end that described trigger pip forms module; The output terminal of first phase inverter 2251 by second timer 2212, is connected to the S input end of set-reset flip-floop 2242; The output terminal of first timer 2211 is connected to first or a door input end of 2253; First or door 2253 output terminal, be connected to the R input end of set-reset flip-floop 2242; The Q output terminal of set-reset flip-floop 2242 by the 3rd timer 2 213, is connected to first or door another input end of 2253; The Q output terminal of set-reset flip-floop 2242 constitutes the output terminal that described trigger pip forms module.
In the embodiment shown in Figure 2, rectifier minimum trigger angle limiter simulator of the present utility model also comprises the 6th timer 2 216; The input end of the 6th timer 2 216 is connected to second timer 2212 output terminals that first trigger pip forms module 2201, is connected in parallel with the S input end of set-reset flip-floop 2242; The output terminal of the 6th timer 2 216 constitutes the interchange fault-signal end AC_FAULT of rectifier minimum trigger angle limiter simulator of the present utility model.
Those of ordinary skill in the art will be appreciated that; above embodiment illustrates the technical solution of the utility model; and be not to be used as restriction of the present utility model; any variation, modification of the above embodiment being done based on connotation of the present utility model all will drop in the protection domain of claim of the present utility model.
Claims (3)
1. rectifier minimum trigger angle limiter simulator, be arranged in the transverter trigger angle control device of DC control protection system, be used for the emulation of the DC control protection system of high-voltage direct-current transmission system, it is characterized in that: described rectifier minimum trigger angle limiter simulator comprises first inertance element, the first arithmetical operation element, this schmitt trigger, comparer, second phase inverter, second or the door, with door, second inertance element, the second arithmetical operation element, the 4th timer, the 5th timer, first trigger pip form module and second trigger pip forms module; Minimum ac voltage signal is connected to the input end of described this schmitt trigger by described first inertance element and the first arithmetical operation element, and the output terminal of described this schmitt trigger is connected to the input end that described first trigger pip forms module; Described first trigger pip forms the output terminal of module, is connected to second or an input end of door; The instruction stop signal by the 4th timer be connected to second or the door another input end; The maximum a.c. voltage signal is by described second inertance element and the second arithmetical operation element, be connected to the input end of described comparer, the output terminal of described comparer, be connected to the input end that described second trigger pip forms module, described second trigger pip forms the output terminal of module, is connected to described second or the 3rd input end of door; Described second or the output terminal of door, be connected to an input end described and door, inhibit signal is connected to another input end described and door by described second phase inverter; The output terminal of described and door constitutes the RAML control signal end of described rectifier minimum trigger angle limiter simulator.
2. rectifier minimum trigger angle limiter simulator according to claim 1, it is characterized in that described first trigger pip forms module and second trigger pip formation module is that two circuit structure identical triggering signals form modules, described trigger pip forms module and comprises first phase inverter, first to the 3rd timer, first or the door and set-reset flip-floop; The input end of described first phase inverter and first timer, being connected in parallel constitutes the input end that described trigger pip forms module; The output terminal of described first phase inverter by described second timer, is connected to the S input end of described set-reset flip-floop; The output terminal of described first timer, be connected to described first or the door an input end; Described first or the output terminal of door, be connected to the R input end of described set-reset flip-floop; The Q output terminal of described set-reset flip-floop, by described the 3rd timer, be connected to described first or the door another input end; The Q output terminal of described set-reset flip-floop constitutes the output terminal that described trigger pip forms module.
3. rectifier minimum trigger angle limiter simulator according to claim 2 is characterized in that described rectifier minimum trigger angle limiter simulator also comprises the 6th timer; The input end of described the 6th timer is connected to the second timer output terminal that described first trigger pip forms module, is connected in parallel with the S input end of described set-reset flip-floop; The output terminal of described the 6th timer constitutes the interchange fault-signal end of described rectifier minimum trigger angle limiter simulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013201508587U CN203133859U (en) | 2013-03-29 | 2013-03-29 | Simulation device of minimum triggering angle limiter of rectifier |
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| CN2013201508587U CN203133859U (en) | 2013-03-29 | 2013-03-29 | Simulation device of minimum triggering angle limiter of rectifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258076A (en) * | 2013-03-29 | 2013-08-21 | 国家电网公司 | Simulator for minimum trigger angle limiter of rectifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103258076A (en) * | 2013-03-29 | 2013-08-21 | 国家电网公司 | Simulator for minimum trigger angle limiter of rectifier |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: State Grid Shanghai Municipal Electric Power Company Patentee after: East China Electric Power Test & Research Institute Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Shanghai Electric Power Corporation Patentee before: East China Electric Power Test & Research Institute Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20151216 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |