CN103257576A - Extinction angle start control simulation device - Google Patents
Extinction angle start control simulation device Download PDFInfo
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- CN103257576A CN103257576A CN2013101067979A CN201310106797A CN103257576A CN 103257576 A CN103257576 A CN 103257576A CN 2013101067979 A CN2013101067979 A CN 2013101067979A CN 201310106797 A CN201310106797 A CN 201310106797A CN 103257576 A CN103257576 A CN 103257576A
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Abstract
The invention provides an extinction angle start control simulation device, belongs to the field of electrical measurement, and particularly relates to the extinction angle start control simulation device which is used for simulation study of a direct current control and protection system of high-voltage direct current power transmission equipment. The extinction angle start control simulation device comprises a first speed limiting device, a first arithmetic operation element, a second arithmetic operation element, a first Schmitt trigger, a first timer, a second timer, a first phase inverter, a second phase inverter, a conjunction gate, a joint gate and a SR trigger. The first speed limiting device is connected to the first Schmitt trigger through the first arithmetic operation element and the second arithmetic operation element. The first Schmitt trigger is connected to the conjunction gate through the first timer, and the conjunction gate is connected to the S input end of the SR trigger. The first Schmitt trigger is connected to the joint gate through the second phase inverter and the second timer, and the joint gate is connected to the R input end of the SR trigger. According to the extinction angle starting control simulation device, the operating state of a direct current control protection device can be truly simulated and reflected, and corresponding simulation results can be provided for the study or the design of the direct current control protection device.
Description
Technical field
The invention belongs to the electric measurement field, relate in particular to a kind of extinguish angle of studying for the DC control protection system simulation of high-voltage direct-current transmission system and start the control simulation testing device.
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 that extinguish angle starts control, and the extinguish angle of simulated high-pressure direct current transportation DC control protection system starts the control running status truly.
Summary of the invention
The objective of the invention is to provide a kind of extinguish angle to start the control simulator; its extinguish angle that can simulate reflection D.C. high voltage transmission DC control protection system truly starts state of a control; for the extinguish angle of DC control protective device starts control research or design provides corresponding simulation result, solve extinguish angle for the DC control protective device and start the technical matters that control research or design provide verification platform.
The present invention solves the problems of the technologies described above the technical scheme that adopts:
A kind of extinguish angle starts the control 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 extinguish angle starts the control simulator and comprises the first rate limiter, the first arithmetical operation element, the second arithmetical operation element, first this schmitt trigger, first timer, second timer, first phase inverter, second phase inverter, with door, or door and set-reset flip-floop;
The input end of described first rate limiter is connected to level angle reference value calculated value; The output terminal of described first rate limiter successively by the first arithmetical operation element and the second arithmetical operation element, is connected to the input end of first this schmitt trigger; The output terminal of first this schmitt trigger is connected to a input end with door by first timer, and the rectification state signal is connected to another input end with door by first phase inverter, is connected to the S input end of set-reset flip-floop with the output terminal of door;
The output terminal of first this schmitt trigger successively by second phase inverter and second timer, is connected to or an input end of door, and the rectification state signal is connected to or another input end of door, or the output terminal of door is connected to the R input end of set-reset flip-floop; The Q output terminal of set-reset flip-floop constitutes the control signal output terminal that described extinguish angle starts the control simulator.
Extinguish angle of the present invention starts a kind of preferable technical scheme of control simulator, it is characterized in that described extinguish angle starts the control simulator and also comprises second speed limiting device, the 3rd to the 5th arithmetical operation element and second this schmitt trigger; The input end of described second speed limiting device is connected to level angle reference value calculated value; The output terminal of described second speed limiting device is connected to the inverting input of the 5th arithmetical operation element by the 4th arithmetical operation element; D. c. voltage signal is connected to the inverting input of the second arithmetical operation element and the in-phase input end of the 5th arithmetical operation element by the 3rd arithmetic arithmetic element; The output terminal of the 5th arithmetical operation element, by second this schmitt trigger, be connected to or the door the 3rd input end.
The invention has the beneficial effects as follows:
1. extinguish angle of the present invention starts the control simulator and can simulate truly, reflect that the extinguish angle of DC control protective device starts the control running status, for research or the design of DC control protective device provides corresponding simulation result;
2. extinguish angle startup control simulator of the present invention 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 that extinguish angle of the present invention starts the control simulator.
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.2211-first rate limiter, 2212-second speed limiting device, 2221～2225-, first to the 5th arithmetical operation element, 2231-first this schmitt trigger, 2232-second this schmitt trigger, 2233-SR trigger, the 2241-first timer, 2242-second timer, 2251-first phase inverter, 2252-second phase inverter, 2253-and door, 2254-or door, UD_VARC-level angle reference value calculated value, RECT-rectification state signal, UD_LOW_I-control signal output terminal.
Embodiment
In order to understand technique scheme of the present invention better, be explained in further detail below in conjunction with drawings and Examples.
Fig. 2 has showed that extinguish angle of the present invention starts an embodiment of control simulator, 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 extinguish angle startup control simulator of the present invention 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, extinguish angle of the present invention starts the control simulator and comprises first rate limiter 2211, the first arithmetical operation element, 2221, the second arithmetical operation elements, 2222, the first these schmitt triggers 2231, first timer 2241, second timer 2242, the first phase inverters 2251, the second phase inverters 2252, with door 2253, or door 2254 and set-reset flip-floop 2233;
The input end of first rate limiter 2211 is connected to level angle reference value calculated value; The output terminal of first rate limiter 2211 successively by the first arithmetical operation element 2221 and the second arithmetical operation element 2222, is connected to the input end of first this schmitt trigger 2231; The output terminal of first this schmitt trigger 2231, be connected to a input end with door 2253 by first timer 2241, the rectification state signal is connected to another input end with door 2253 by first phase inverter 2251, is connected to the S input end of set-reset flip-floop 2233 with the output terminal of door 2253.
The output terminal of first this schmitt trigger 2231, successively by second phase inverter 2252 and second timer 2242, be connected to or a door input end of 2254, the rectification state signal is connected to or door another input end of 2254, or the output terminal of door 2254 is connected to the R input end of set-reset flip-floop 2233; The Q output terminal of set-reset flip-floop 2233 constitutes the control signal output terminal UD_LOW_I that extinguish angle of the present invention starts the control simulator.
According to embodiment shown in Figure 2, extinguish angle of the present invention starts the control simulator and also comprises second speed limiting device the 2212, the three to the 5th arithmetical operation element 2223～2225, and second this schmitt trigger 2232; The input end of second speed limiting device 2212 is connected to level angle reference value calculated value; The output terminal of second speed limiting device 2212 is connected to the inverting input of the 5th arithmetical operation element 2225 by the 4th arithmetical operation element 2224; D. c. voltage signal is connected to the inverting input of the second arithmetical operation element 2222 and the in-phase input end of the 5th arithmetical operation element 2225 by the 3rd arithmetic arithmetic element 2223; The output terminal of the 5th arithmetical operation element 2225 by second this schmitt trigger 2232, is connected to or door 2254 the 3rd input end.
Those of ordinary skill in the art will be appreciated that; above embodiment illustrates technical scheme of the present invention; and be not to be used as limitation of the invention; any variation, modification of the above embodiment being done based on connotation of the present invention all will drop in the protection domain of claim of the present invention.
Claims (2)
1. an extinguish angle starts the control 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 extinguish angle starts the control simulator and comprises the first rate limiter, the first arithmetical operation element, the second arithmetical operation element, first this schmitt trigger, first timer, second timer, first phase inverter, second phase inverter, with door, or door and set-reset flip-floop;
The input end of described first rate limiter is connected to level angle reference value calculated value; The output terminal of described first rate limiter successively by the first arithmetical operation element and the second arithmetical operation element, is connected to the input end of first this schmitt trigger; The output terminal of first this schmitt trigger is connected to a input end with door by first timer, and the rectification state signal is connected to another input end with door by first phase inverter, is connected to the S input end of set-reset flip-floop with the output terminal of door;
The output terminal of first this schmitt trigger successively by second phase inverter and second timer, is connected to or an input end of door, and the rectification state signal is connected to or another input end of door, or the output terminal of door is connected to the R input end of set-reset flip-floop; The Q output terminal of set-reset flip-floop constitutes the control signal output terminal that described extinguish angle starts the control simulator.
2. extinguish angle according to claim 1 starts the control simulator, it is characterized in that described extinguish angle starts the control simulator and also comprises second speed limiting device, the 3rd to the 5th arithmetical operation element and second this schmitt trigger; The input end of described second speed limiting device is connected to level angle reference value calculated value; The output terminal of described second speed limiting device is connected to the inverting input of the 5th arithmetical operation element by the 4th arithmetical operation element; D. c. voltage signal is connected to the inverting input of the second arithmetical operation element and the in-phase input end of the 5th arithmetical operation element by the 3rd arithmetic arithmetic element; The output terminal of the 5th arithmetical operation element, by second this schmitt trigger, be connected to or the door the 3rd input end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106797.9A CN103257576B (en) | 2013-03-29 | 2013-03-29 | A kind of extinction angle start control simulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310106797.9A CN103257576B (en) | 2013-03-29 | 2013-03-29 | A kind of extinction angle start control simulation device |
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| Publication Number | Publication Date |
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| CN103257576A true CN103257576A (en) | 2013-08-21 |
| CN103257576B CN103257576B (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310106797.9A Expired - Fee Related CN103257576B (en) | 2013-03-29 | 2013-03-29 | A kind of extinction angle start control simulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137810A (en) * | 2015-09-02 | 2015-12-09 | 国网上海市电力公司 | Checking method of DC control protection system RTDS simulation model |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997020373A2 (en) * | 1995-11-30 | 1997-06-05 | Siemens Aktiengesellschaft | Process and device for regulating n power converter stations of a multipoint hvdct network |
| CN1204422A (en) * | 1995-11-30 | 1999-01-06 | 西门子公司 | Process and device for regulating N power converter stations of multipoint hvdct network |
| CN102496924A (en) * | 2011-12-12 | 2012-06-13 | 山东大学 | Modeling method and system for correcting and predicting arc extinguishing angle |
| EP1222727B1 (en) * | 1999-09-22 | 2012-06-13 | Abb Ab | Control of extinction angle for a line-commutated converter |
| KR101189803B1 (en) * | 2011-10-26 | 2012-10-10 | 한국전력공사 | Apparatus for hvdc control |
| CN203101861U (en) * | 2013-03-29 | 2013-07-31 | 国家电网公司 | Arc extinction angle start control simulating device |
-
2013
- 2013-03-29 CN CN201310106797.9A patent/CN103257576B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997020373A2 (en) * | 1995-11-30 | 1997-06-05 | Siemens Aktiengesellschaft | Process and device for regulating n power converter stations of a multipoint hvdct network |
| CN1204422A (en) * | 1995-11-30 | 1999-01-06 | 西门子公司 | Process and device for regulating N power converter stations of multipoint hvdct network |
| EP1222727B1 (en) * | 1999-09-22 | 2012-06-13 | Abb Ab | Control of extinction angle for a line-commutated converter |
| KR101189803B1 (en) * | 2011-10-26 | 2012-10-10 | 한국전력공사 | Apparatus for hvdc control |
| CN102496924A (en) * | 2011-12-12 | 2012-06-13 | 山东大学 | Modeling method and system for correcting and predicting arc extinguishing angle |
| CN203101861U (en) * | 2013-03-29 | 2013-07-31 | 国家电网公司 | Arc extinction angle start control simulating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137810A (en) * | 2015-09-02 | 2015-12-09 | 国网上海市电力公司 | Checking method of DC control protection system RTDS simulation model |
| CN105137810B (en) * | 2015-09-02 | 2017-11-21 | 国网上海市电力公司 | The check method and nucleus correcting system of DC control and protection system RTDS simulation models |
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| CN103257576B (en) | 2015-11-18 |
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