CN101944771A - Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker - Google Patents
Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker Download PDFInfo
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Abstract
The invention discloses a secondary loop panoramic state monitoring system for an operating mechanism of a circuit breaker in the technical field of power systems. The system comprises a communication module, a control module, a sensor module, a switch-on processing module and a trip processing module. The system can perform on-line monitoring per se on the integrity of an operating loop, a monitoring loop and loop elements in various working states of the circuit breaker such as switch-off, switch-on and the like, realizes state monitoring of trip and switch-on loops in a full state, and has active defense function. Compared with the prior art, the system simplifies the tripping and closing operation loops, improves the integral reliability of the system, provides necessary conditions for state overhauling of the intelligent circuit breaker, ensures safe operation of the high-voltage circuit breaker, and improves the power supply reliability of the power system.
Description
Technical field
What the present invention relates to is a kind of device of technical field of power systems, specifically is a kind of secondary circuit panorama condition monitoring system that is used for the electric operating mechanism of circuit breaker.
Background technology
Along with economic development, social progress, science and technology and the level of IT application improve constantly and the becoming increasingly conspicuous of global resources and environmental problem, power network development faces new problem and new challenge.Rely on present information, communication and control technology, the develop actively intelligent grid adapts to the requirement of following sustainable development, and the reality that has become the International Power development is selected.Important support as the intelligent grid construction, have that networking is controlled, the intelligent primary equipment of digitized measurement and status monitoring feature, for the safe and stable operation of electric power system has been established material base, for operation, the scheduling of optimizing electrical network provides sufficient data and regulating measure.
Primary cut-out is the important electric equipment in power plant, the electric substation's primary system, and it is used for cutting off and connecting load circuit, and the disengagement failure circuit, and the accident that prevents enlarges, and guarantees safe operation.The electric secondary operation circuit is a circuit of electric primary equipment being operated control, is an important component part of relaying protection.Existing Intelligentized method is used the pattern of " intelligent assembly+primary equipment " often, adopt the mode of GOOSE breaker tripping and closing order to realize that networking controls, often only accomplish the breaker tripping and closing outlet or only intelligent assembly control box home loop is done monitoring for the monitoring in electric operation loop, can not intactly monitor operation circuit, make status monitoring have very big blind spot, simultaneously, because the loop can't the fault location point, can not report to the police targetedly, more can not realize initiatively defence, isolated fault is avoided fault to enlarge and is caused the accident, and this obviously can not satisfy the requirement of smart machine.
Closing loop abnormal conditions such as contact adhesion, tripping or pressing plate come off, control line is aging might occur owing to long-play or other reason.The timely diagnosis of this abnormal conditions can effectively prevent the circuit breaker tripping, guarantees the unimpeded of protection breaker tripping and closing passage, solves the loss that the circuit breaker loop problem is brought, and is very important for the safety of transformer station and even electrical network.This just requires that a kind of breaker operating device can be arranged, and can possess the panorama status monitoring function of relaying protection control loop, breaker signal relay circuit, operation circuit and monitoring circuit self.Yet, it is reported domestic intelligent terminal at present, generally do not possess the ability of the total state monitoring of closing loop.
Through the retrieval of prior art is found: in June, 2009 Nanrui Jibao Electric Co., Ltd " technology and the operation instructions " of PCS-222B intelligent operation box in intelligent microcomputer type control box and its implementation of a kind of complete function are disclosed, this PCS-222B intelligent operation box has been realized functions such as circuit breaker Stateful Inspection, control loop inspection, circuit breaker breaker tripping and closing operation, supports the GOOSE message.But the prior art just monitors and has inserted the optocoupler transducer traditional jumping position being monitored, closes the position; sensor loop is not monitored; there are not monitoring breaker signal circuit, conventional relay protection circuit yet; the prior art does not possess intactly monitors the secondary operation loop, makes status monitoring have very big blind spot, simultaneously; because the loop can't the fault location point; can not report to the police targetedly, more can not realize initiatively defence, isolated fault.
Further retrieval is found, Chinese patent literature CN 101764432A, open day 2010-6-30, put down in writing a kind of " intelligent operation box " with action connection point self-checking function, this technology has realized functions such as circuit breaker Stateful Inspection, control loop inspection, circuit breaker breaker tripping and closing operation, the self checking method of digitlization operation contact also is provided, has also supported the GOOSE message.But the prior art is only in the operation circuit, and the sticking dead phenomenon of the relay tip that damage probability is very little has been carried out real-time monitoring, in this implementation, also introduced monitoring circuit, this technology does not possess the ability of intactly monitoring operation circuit equally, more can not realize initiatively defence, isolated fault.
In sum, above-mentioned prior art has only been carried out partly monitoring at the breaker operator loop, and when realizing the loop monitoring, introduced new monitoring circuit, have direct between these monitoring circuits and operating power, the operation circuit and close association, the device failure of monitoring circuit self causes opens circuit, short circuit, certainly will influence the safety in whole secondary operation loop, introduces new fault point.If these loops are not monitored, then can't guarantee the safety of secondary circuit.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of secondary circuit panorama condition monitoring system that is used for the electric operating mechanism of circuit breaker is provided, can be at the circuit breaker branch, close etc. under the various operating states, operation circuit, monitoring circuit and loop element integrality are carried out self-on-line monitoring, realize under the complete state status monitoring, and have initiatively defense function closing loop.Compared with prior art simplified the breaker tripping and closing operation circuit, improved the global reliability of system,, guaranteed the safe operation of primary cut-out, improved the reliability of power system power supply for the repair based on condition of component of realizing intelligent breaker provides necessary condition.
The present invention is achieved by the following technical solutions, the present invention includes: communication module, control module, sensor assembly, combined floodgate processing module and tripping operation processing module, wherein: control module links to each other with communication module and realizes that the process layer network with circuit breaker operation mechanism exchanges control command and monitoring information, control module links to each other with sensor assembly with the accepting state monitoring information, sensor assembly links to each other with the tripping operation processing module with the combined floodgate processing module respectively and receives operation circuit state information and monitoring circuit state information, and the combined floodgate processing module is connected with control module respectively with the tripping operation processing module and receives control command and carry out breaker tripping and closing control.
Described communication module comprises: the optical fiber communication interface; relaying protection control relay interface and breaker signal relay circuit; wherein: the two ends of optical fiber communication interface are connected with control module with the process layer network respectively and the GOOSE message information of light signal are converted into control command information; the two ends of relaying protection control relay interface are connected with sensor assembly with the wall of circuit breaker operation mechanism respectively and the control information of relay tip are converted into required monitoring information of control module and control command, and the breaker signal relay circuit is connected with sensor assembly and transmits the monitoring information in breaker signal loop.
Described control module comprises: signal gathering unit, arithmetic logic unit and control unit, wherein: signal gathering unit be connected with sensor assembly and optical fiber communication module and GOOSE information decoding that state information is sent here by anti-interference process, with the optical fiber communication module and the control command that extracts displacement after be transferred to arithmetic logic unit, arithmetic logic unit is with the logic operation result output control unit, and control unit exports combined floodgate processing module, tripping operation processing module and communication module respectively to after logic operation result is compiled.
Described sensor assembly comprises: signal circuit transducer, control loop transducer and monitoring circuit transducer.
Apparatus of the present invention provide the secondary circuit panorama state monitoring method of control loop, breaker signal loop, breaker operator loop and monitoring circuit self; under the important prerequisite that does not change the trip(ping) circuit reliability; increased secondary circuit panorama status monitoring function; simplified the design of operation circuit again widely; improved the global reliability of system; for " repair based on condition of component " of realizing the protection relay loop provides necessary condition; guarantee the safe operation of protective device, improved the reliability of power system power supply.
Description of drawings
Fig. 1 is a structure chart of the present invention.
Fig. 2 is a combined floodgate processing module structural representation.
Fig. 3 is tripping operation processing module structural representation.
Fig. 4 is the control module structural representation.
Fig. 5 is the optical fiber communication block diagram of communication module.
Fig. 6 is the relaying protection control relay loop block diagram of communication module.
Fig. 7 is the breaker signal circuit theory figure of communication module.
Embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, this example comprises: communication module, control module, sensor assembly, combined floodgate processing module and tripping operation processing module, wherein: control module links to each other with communication module and realizes that the process layer network with circuit breaker operation mechanism exchanges control command and monitoring information, control module links to each other with sensor assembly with the accepting state monitoring information, sensor assembly links to each other with the tripping operation processing module with the combined floodgate processing module respectively and receives operation circuit state information and monitoring circuit state information, and the combined floodgate processing module is connected with control module respectively with the tripping operation processing module and receives control command and carry out breaker tripping and closing control.
As Fig. 1; Fig. 5 and shown in Figure 7; described communication module comprises: the optical fiber communication interface; relaying protection control relay interface and breaker signal relay circuit; wherein: the two ends of optical fiber communication interface are connected with control module with the process layer network respectively and the GOOSE message information of light signal are converted into control command information; the two ends of relaying protection control relay interface are connected with sensor assembly with the wall of circuit breaker operation mechanism respectively and the control information of relay tip are converted into required monitoring information of control module and control command, and the breaker signal relay circuit is connected with sensor assembly and transmits the monitoring information in breaker signal loop.
Described breaker signal relay circuit is meant: tripping operation pressure switch YJ1, reclosing pressure switch YJ2, closing pressure relay YJ3, operating pressure relay YJ4, circuit breaker position auxiliary switch relay TWK, HWK.
As shown in Figure 2, described combined floodgate processing module comprises: first of the series connection combined floodgate is controlled contact HZCK1 successively, second closes a floodgate controls contact HZCK2, switching current latching relay HBJ, the first pressing plate LTPh and overtime relay CSJ1 and first detection diode D1 and the combined floodgate latching relay contact K-HBJ that is in parallel with the first combined floodgate control contact HZCK1 and the second combined floodgate control contact HZCK2, wherein: switching current latching relay HBJ is used for the self-sustaining of closing operation, combined floodgate latching relay contact K-HBJ links to each other with combined floodgate latching relay actuation coil TBJ with the control power supply respectively, disconnects closing circuit when the first pressing plate LTPh is used to overhaul.
As shown in Figure 3, described tripping operation processing module comprises: the first tripping operation control point TZCK1 that connects successively, second tripping operation control point TZCK2 and the tripping current latching relay TBJ, the second pressing plate LTPt and overtime relay CSJ2, second detect diode D2 and tripping operation latching relay contact K-TBJ and the numeral that is connected with the first tripping operation control point TZCK1 monitor that trips with the first tripping operation control point TZCK1 and the second tripping operation control point TZCK2 are in parallel, wherein: tripping current latching relay TBJ is used for the self-sustaining of trip operation, disconnects trip(ping) circuit when the second pressing plate LTPt is used to overhaul.
Described numeral tripping operation monitor comprises: tripping operation control command relay TJA, the 3rd pressing plate LTPb that is connected in series and the 3rd detects diode D3 and is connected in tripping operation control command relay TJA and two control relay SMT that are connected in series at the 3rd detection diode D3 two ends.
As shown in Figure 4, described control module comprises: signal gathering unit, arithmetic logic unit and control unit, wherein: signal gathering unit be connected with sensor assembly and optical fiber communication module and GOOSE information decoding that state information is sent here by anti-interference process, with the optical fiber communication module and the control command that extracts displacement after be transferred to arithmetic logic unit, arithmetic logic unit is with the logic operation result output control unit, and control unit exports combined floodgate processing module, tripping operation processing module and communication module respectively to after logic operation result is compiled.
Described sensor assembly comprises: breaker signal loop transducer, control loop transducer and monitoring circuit transducer,
As shown in Figures 2 and 3, described monitoring circuit transducer comprises: be arranged at the first tripping operation control point TZCK1 third state transducer IN3, be arranged at combined floodgate latching relay contact K-HBJ the second state sensor IN2, be arranged at the first state sensor IN1 of overtime relay CSJ1; And
Be arranged at the 4th, the 7th and the 8th state sensor IN4, the IN7 and the IN8 of numeral tripping operation monitor, the 5th state sensor IN5 that is arranged at tripping operation latching relay contact K-TBJ and the 6th state sensor IN6 that is arranged at overtime relay CSJ2.
As shown in Figure 6, described control loop transducer places the relaying protection relay order loop of communication module, comprise: the tenth four condition transducer IN14, the 15 state sensor IN15 that is connected with reclosing order relay tip CHZJ that link to each other with the order relay tip HZJ that closes a floodgate, and the 16, the 17, the 18 and the 19 state sensor IN16, IN7, IN18, the IN19 that are connected with transmission relay tip CDJ1, CDJ2, CDJ3, CDJ4 respectively;
As shown in Figure 7, described signal circuit transducer comprises: be arranged at the 9th state sensor IN9 of first to fourth breaker signal relay YJ1, YJ2, YJ3, YJ4 and be arranged at the tenth and the 11 state sensor IN10, the IN11 of the first and second circuit breaker position auxiliary switch relay TWK and HWK.
When the sampled value of state sensor is " 1 ", represent that this loop has electric current to pass through, promptly the loop connection state is intact.
When the sampled value of state sensor is " 0 ", represent that this loop no current passes through, promptly there is open circuit situation in the loop.
Native system carries out work in the following manner:
The status monitoring of the first step, control loop
1.1 when circuit breaker was in the jumping position, before manual or remote control was closed a floodgate, order was preset in transmission earlier, the optical fiber communication interface in the communication module closes a floodgate by the decoding acquisition and presets order.
1.2 the collecting unit in the control module extracts the state that closes a floodgate and preset the order displacement, enable; order is input to arithmetic logic unit; arithmetic logic unit is by the state of state sensor IN10 and IN11; judge current circuit breaker position: if the sampled value of IN10 is " 1 "; and the sampled value of IN11 is " 0 "; the expression circuit breaker position is in jumps the position, and arithmetic logic unit drives protection tripping operation transmission relay CDJ1, the tripping operation transmission order of CDJ2 output protection by control unit and by relay CDJ3, CDJ4 inspecting state.Otherwise, the exit status observation process, and provide the warning information that circuit breaker position is not inconsistent, the application maintenance.
1.3 after the protective relaying device device is received protection tripping operation transmission order and inspecting state, drive protection trip signal TJA action of relay contact.
1.4 the state attitude transducer IN7 monitoring and protecting contact action message of sensor assembly, and sampled value is sent to the signal gathering unit of control module.If the sampled value of IN7 is " 1 ", it is intact to show that protection trip signal relay TJA loop connects, otherwise expression TJA does not connect to the outside between the pressing plate LTPb and is communicated with.
1.5 the arithmetic logic unit in the control module; judgement is issued to the time of receiving (order of protection tripping relay) the contact action message that transmits in the protection relay loop from the transmission order; promptly be issued to the time of IN7 sampled value for " 1 " from the transmission order; if surpass 0.5s (can adjust), then provide the warning information of current control loop broken string, and locking is closed a floodgate; regain the transmission relay; and withdraw from the status monitoring of control loop immediately, provide warning information, the application maintenance.Otherwise it is intact to show that the current detection loop connects, and regains current transmission relay.
1.6 when circuit breaker is in when closing, CPU drives CSJ1, CSJ2 relay, open the breaker tripping and closing control loop, at this moment the detected state sensor sampled value of IN1 among Fig. 2 and the IN6 among Fig. 3 all is " 0 " (relation " with "), show that the breaker tripping and closing operation circuit is all disconnected by the CSJ1/CSJ2 contact, the command action of any start-up operation of this moment can not cause the breaker tripping and closing misoperation of circuit breaker, otherwise withdraws from the status monitoring of control loop immediately, provide warning information, the application maintenance.
1.7 arithmetic logic unit drives protection tripping operation transmission relay CDJ1, the tripping operation transmission order of CDJ2 output protection and passes through relay CDJ3, CDJ4 inspecting state by control unit.
1.8 the state attitude transducer IN7 monitoring and protecting contact action message of sensor assembly, and sampled value is sent to the signal gathering unit of control module.If the sampled value of IN7 is " 1 ", it is intact to show that protection trip signal relay TJA loop connects, otherwise expression TJA does not connect to the outside between the pressing plate LTPb and is communicated with.
1.9 the arithmetic logic unit in the control module; judgement is issued to the time of receiving (order of protection tripping relay) the contact action message that transmits in the protection relay loop from the transmission order; promptly be issued to the time of IN7 sampled value for " 1 " from the transmission order; if surpass 0.5s (can adjust), then provide the warning information of current control loop broken string, and locking is closed a floodgate; regain the transmission relay; and withdraw from the status monitoring of control loop immediately, provide warning information, the application maintenance.Otherwise it is intact to show that the current detection loop connects, and regains current transmission relay.
1.10 same quadrat method detects HZJ, CHZJ relay circuit.
The status monitoring in second step, breaker signal loop.
2.1 the sampled value of control module reading state transducer IN9 if the sampled value of transducer is " 1 ", shows that then current pressure is unusual, withdraws from detection, otherwise continues.
2.2 control module drives the low detection relay J CJ1 action of forbidding tripping relay YJ1 of pressure in the breaker signal loop.Circuit design logic shown in Figure 7 has guaranteed when detecting relay (JCJ1) action the pressure extended relay on this road (1YYJ1,1YJJ2) displacement action.If the current pressure relay is normal, the then pressure extended actuating of relay (1YYJ1,1YJJ2), after the detection actuating of relay, the pressure extended relay is regained.Otherwise, if pressure switch action, then detect the actuating of relay after, the state of pressure extended relay becomes operate condition by retracted state.
2.3 sensor assembly (IN9) sends breaker signal action of relay contact information to control module.
2.4 the arithmetic logic unit in the control module, judgement is issued to the information of receiving the displacement of pressure extended relay tip from detecting relay (JCJ1), be that the IN9 sampled value becomes the time of " 1 " from " 0 ", if surpass 0.5s (can adjust), then provide the warning information of current breaker signal circuit breaking, and locking breaker tripping and closing command signal, regain and detect relay, and withdraw from the status monitoring in breaker signal loop, application maintenance immediately.Otherwise it is intact to show that the current detection loop connects, and regains the current detection relay.
2.5 same method detects YJ2, YJ3, YJ4.
The status monitoring of the 3rd step, breaker operator loop and monitoring circuit self
3.1 the control module inspection is from the auxiliary switch for circuit breaker (TWK of breaker signal contact, HWK) status signal IN10 and the sampled value of IN11, if being in, current circuit breaker position jumps position (the IN10 state is " 1 "), if this moment, the IN11 state was " 0 ", then enter step 3.2, otherwise provide position signalling loop abnormality alarming signal warning information, and withdraw from the status monitoring in breaker signal loop immediately, the application maintenance is handled; Otherwise please change step 3.6.
3.2 control module is judged closing circuit supervisory signal (sampled value of IN1) and trip(ping) circuit supervisory signal (sampled value of IN6) that current sensor assembly is sent here.If this moment, the state of IN1 was to disconnect (being " 0 "), then to send closing operation loop abnormality alarming signal, and withdraw from the status monitoring in breaker signal loop immediately, the application maintenance is handled.If or IN6 is 1, then to send closing operation circuit breaking alarm signal, and withdraw from the status monitoring in breaker signal loop immediately, the application maintenance is handled.Otherwise continue.
3.3 control module drives the overtime relay CSJ1 of closing circuit and opens, and prevents that circuit breaker from closing by mistake.Drive combined floodgate control relay 1 (HZCK1) action, combined floodgate control relay 2 (HZCK2) is failure to actuate.The state of the HZCK1 of sensor assembly acquisition at this moment contact action becomes " 1 " by " 0 ", shows that combined floodgate control relay 1 element function is intact.Otherwise send the HZCK1 fault warning of breaker switching-on operation loop, and detection of end, wait pending.
3.4 control module drives HZCK1 and returns, drive the HZCK2 action, at this moment have Weak current by TWJ, pressing plate, HBJ, flow through the HZCK2 contact, the state that sensor assembly obtains the action of HZCK2 contact becomes " 1 " by " 0 ", show that combined floodgate control relay 2 element function are intact, and closing circuit is intact, if the state that switching current maintenance this moment sensor monitors arrives is by " 0 " change " 1 ", show that then the diode in the loop is breakdown, send the fault warning of breaker closing monitoring circuit, and detection of end, wait pending.Otherwise send the alarm of breaker switching-on operation loop fault, and detection of end, wait pending.
3.5 because current being in jumped the position, the malfunction phenomenon can not take place by the natural disconnection of auxiliary switch for circuit breaker in the trip operation loop.Its course of action does not repeat them here with 3.2～3.4.
3.6 the control module inspection is opened into signal (IN10 from the auxiliary switch for circuit breaker of breaker signal contact, IN11), if being in, current circuit breaker position closes position (the IN11 state is " 1 "), if this moment, the IN10 state was " 0 ", then enter step 3.7, otherwise send position signalling loop abnormality alarming signal, and detection of end, wait pending; Otherwise please change step 3.1.
3.7 control module is judged closing circuit supervisory signal and trip(ping) circuit supervisory signal that current sensor assembly is sent here, promptly jumps the position and monitors (IN10) and close position supervision (IN11) state.If this moment, the state of IN11 was to disconnect (being " 0 "), then send closing operation loop abnormality alarming signal, and detection of end, wait pending.If or IN10 is " 1 ", then send closing operation circuit breaking alarm signal.Otherwise continue.
3.8 because current being in closed the position, the malfunction phenomenon can not take place by the natural disconnection of auxiliary switch for circuit breaker in the closing operation loop.Its course of action does not repeat them here with 3.2～3.4.Like this, no matter switch is to jump the position or closing the position, can both cross combined floodgate operation circuit and monitoring circuit self are monitored.
3.9 control module drives the TZCK1 actuating of relay, the TZCK2 relay is regained, if the state of the TZCK1 of sensor assembly acquisition at this moment contact action becomes " 1 " by " 0 ", shows that tripping operation control relay 1 element function is intact.Otherwise send circuit breaker trip operation circuit TZCK1 fault warning, and detection of end, wait pending.
3.10 because current being in closed the position, the conducting of trip operation loop, unaffected for the ready state that guarantees trip(ping) circuit, this programme does not come the detecting operation loop by the mode that disconnects trip(ping) circuit, but adopts the control relay loop to come the conversion monitoring state.Control module control control relay (SMT) action, the TZCK2 actuating of relay, the TZCK1 relay is regained, if the state of the TZCK2 of sensor assembly acquisition at this moment contact action becomes " 1 " by " 0 ", show that element function such as tripping operation control relay TZCK2, TBJ, pressing plate are intact, the loop connects normal, if the state that tripping current maintenance this moment sensor monitors arrives is by " 0 " change " 1 ", show that then the diode in the loop is breakdown, send the fault warning of circuit breaker trip monitoring circuit, and detection of end, wait pending.Otherwise send the fault warning of circuit breaker trip operation circuit, and detection of end, wait pending.
So far, finish the Overall Steps of a panorama status monitoring
Like this, no matter switch is to jump the position or closing the position, can both cross control loop, breaker signal loop, breaker tripping and closing operation circuit and monitoring circuit self are monitored.Realized the panorama status monitoring of secondary circuit.
This device provides the secondary circuit panorama state monitoring method of control loop, breaker signal loop, breaker operator loop and monitoring circuit self; under the important prerequisite that does not change the trip(ping) circuit reliability; increased secondary circuit panorama status monitoring function; simplified the design of operation circuit again widely; improved the global reliability of system; for " repair based on condition of component " of realizing the protection relay loop provides necessary condition; guarantee the safe operation of protective device, improved the reliability of power system power supply.
Claims (7)
1. secondary circuit panorama condition monitoring system that is used for circuit breaker operation mechanism, it is characterized in that, comprise: communication module, control module, sensor assembly, combined floodgate processing module and tripping operation processing module, wherein: control module links to each other with communication module and realizes that the process layer network with circuit breaker operation mechanism exchanges control command and monitoring information, control module links to each other with sensor assembly with the accepting state monitoring information, sensor assembly links to each other with the tripping operation processing module with the combined floodgate processing module respectively and receives operation circuit state information and monitoring circuit state information, and the combined floodgate processing module is connected with control module respectively with the tripping operation processing module and receives control command and carry out breaker tripping and closing control.
2. the secondary circuit panorama condition monitoring system that is used for circuit breaker operation mechanism according to claim 1; it is characterized in that; described communication module comprises: the optical fiber communication interface; relaying protection control relay interface and breaker signal relay circuit; wherein: the two ends of optical fiber communication interface are connected with control module with the process layer network respectively and the GOOSE message information of light signal are converted into control command information; the two ends of relaying protection control relay interface are connected with sensor assembly with the wall of circuit breaker operation mechanism respectively and the control information of relay tip are converted into required monitoring information of control module and control command, and the breaker signal relay circuit is connected with sensor assembly and transmits the monitoring information in breaker signal loop.
3. the secondary circuit panorama condition monitoring system that is used for circuit breaker operation mechanism according to claim 1, it is characterized in that, described combined floodgate processing module comprises: first of the series connection combined floodgate is controlled contact (HZCK1) successively, second closes a floodgate controls contact (HZCK2), switching current latching relay (HBJ), first pressing plate (LTPh) and overtime relay CSJ1 and first detection diode (D1) and the combined floodgate latching relay contact (K-HBJ) that is in parallel with the first combined floodgate control contact (HZCK1) and the second combined floodgate control contact (HZCK2), wherein: switching current latching relay (HBJ) is used for the self-sustaining of closing operation, combined floodgate latching relay contact (K-HBJ) links to each other with combined floodgate latching relay actuation coil (TBJ) with the control power supply respectively, and first pressing plate (LTPh) disconnects closing circuit when being used to overhaul.
4. the secondary circuit panorama condition monitoring system that is used for circuit breaker operation mechanism according to claim 1, it is characterized in that, described tripping operation processing module comprises: the first tripping operation control point (TZCK1) of connecting successively, second tripping operation control point (TZCK2) and the tripping current latching relay (TBJ), second pressing plate (LTPt) and overtime relay (CSJ2), with the first tripping operation control point (TZCK1) and the second tripping operation control point (TZCK2) be in parallel second detect diode (D2) and tripping operation latching relay contact (K-TBJ) and with first numeral that control point (TZCK1) the is connected monitor that trips that trips, wherein: tripping current latching relay (TBJ) is used for the self-sustaining of trip operation, and second pressing plate (LTPt) disconnects trip(ping) circuit when being used to overhaul.
5. the secondary circuit panorama condition monitoring system that is used for circuit breaker operation mechanism according to claim 1, it is characterized in that described numeral tripping operation monitor comprises: the tripping operation control command relay TJA that is connected in series, the 3rd pressing plate (LTPb) and the 3rd detect diode (D3) and are connected in tripping operation control command relay TJA and two control relays (SMT) that are connected in series at the 3rd detection diode (D3) two ends.
6. the secondary circuit panorama condition monitoring system that is used for circuit breaker operation mechanism according to claim 1, it is characterized in that, described control module comprises: signal gathering unit, arithmetic logic unit and control unit, wherein: signal gathering unit is connected with sensor assembly and optical fiber communication module and state information is passed through anti-interference process, be transferred to arithmetic logic unit after GOOSE information decoding that the optical fiber communication module is sent here and the control command that extracts displacement, arithmetic logic unit is with the logic operation result output control unit, and control unit exports the combined floodgate processing module respectively to after logic operation result is compiled, tripping operation processing module and communication module.
7. the secondary circuit panorama condition monitoring system that is used for circuit breaker operation mechanism according to claim 1 is characterized in that described sensor assembly comprises: signal circuit transducer, control loop transducer and monitoring circuit transducer.
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331757A (en) * | 2011-07-13 | 2012-01-25 | 上海毅昊自动化有限公司 | Online detecting system and detecting method for outlet circuit of non-electric quantity protective device |
| CN102393506A (en) * | 2011-11-17 | 2012-03-28 | 江苏省电力公司苏州供电公司 | Monitoring system of tripping pulse of breaker |
| CN102636705A (en) * | 2012-03-09 | 2012-08-15 | 德清县供电局 | Device for judging fault of remote leakage protector and blockage or fault of alternating current contactor, and analysis method thereof |
| CN102647026A (en) * | 2012-04-24 | 2012-08-22 | 上海毅昊自动化有限公司 | System for visually dynamically monitoring running state of relay protector |
| CN102916405A (en) * | 2012-11-19 | 2013-02-06 | 山东电力集团公司电力科学研究院 | Method for preventing power frequency alternative current interference of transformer substation from causing maloperation of jump block relay |
| CN103616598A (en) * | 2013-12-05 | 2014-03-05 | 国家电网公司 | Testing method for dynamic simulation of linkage between protective channel faults and line faults |
| CN103675520A (en) * | 2012-03-09 | 2014-03-26 | 德清县供电局 | Remote analysis method for determining leakage protector faults and AC contactor obstruction or faults |
| CN103837826A (en) * | 2014-03-18 | 2014-06-04 | 国家电网公司 | System and method for identification of faulty region of high-voltage switch operating circuit |
| CN104198926A (en) * | 2014-05-29 | 2014-12-10 | 国家电网公司 | Anti-trip loop test device for breaker and control method thereof |
| CN105374645A (en) * | 2015-11-19 | 2016-03-02 | 内蒙古电力勘测设计院有限责任公司 | Secondary circuit of handcart cabinet |
| CN106787204A (en) * | 2016-11-10 | 2017-05-31 | 许继集团有限公司 | A kind of intelligent terminal for being applied to current conversion station |
| CN106814313A (en) * | 2017-01-13 | 2017-06-09 | 天津大学 | The intellectual faculties in breaker operator loop |
| CN106849363A (en) * | 2017-03-17 | 2017-06-13 | 雅砻江流域水电开发有限公司 | The three-phase mechanical linkage circuit breaker control box that tripping operation contact shows entirely |
| CN107611945A (en) * | 2017-09-25 | 2018-01-19 | 国网河南省电力公司电力科学研究院 | A kind of equipment state sensing type 110kV line protection systems and implementation method |
| CN107947373A (en) * | 2017-12-29 | 2018-04-20 | 国网冀北电力有限公司张家口供电公司 | PT is spaced apart tele-control system bis- times |
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| CN110426625A (en) * | 2019-08-02 | 2019-11-08 | 刘韶俊 | A kind of computer operation case for substation |
| CN110829351A (en) * | 2019-10-11 | 2020-02-21 | 中国电力科学研究院有限公司 | Intelligent control system and method for primary and secondary fusion circuit breaker |
| CN111679653A (en) * | 2020-06-15 | 2020-09-18 | 中国南方电网有限责任公司超高压输电公司昆明局 | Intelligent fault recording device and direct-current field control loop fault positioning method |
| CN112147498A (en) * | 2020-09-23 | 2020-12-29 | 广州市扬新技术研究有限责任公司 | Module for monitoring and controlling direct current breaker |
| CN112366819A (en) * | 2020-10-10 | 2021-02-12 | 广西电网有限责任公司电力科学研究院 | Secondary circuit module based on circuit breaker mechanism |
| CN112433147A (en) * | 2020-10-30 | 2021-03-02 | 国网山东省电力公司聊城供电公司 | High-voltage circuit breaker control circuit fault self-diagnosis device |
| CN113064011A (en) * | 2021-03-25 | 2021-07-02 | 温州电力建设有限公司 | Automatic test method for protection operation loop |
| CN114977101A (en) * | 2022-04-12 | 2022-08-30 | 国网福建省电力有限公司 | Intelligent switching-on technical transformation method for centralized control small hydropower station |
| CN115267484A (en) * | 2022-05-27 | 2022-11-01 | 国网江苏省电力有限公司南通供电分公司 | Fault monitoring method and system for relay protection operation circuit |
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Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102331757A (en) * | 2011-07-13 | 2012-01-25 | 上海毅昊自动化有限公司 | Online detecting system and detecting method for outlet circuit of non-electric quantity protective device |
| CN102393506A (en) * | 2011-11-17 | 2012-03-28 | 江苏省电力公司苏州供电公司 | Monitoring system of tripping pulse of breaker |
| CN103675520B (en) * | 2012-03-09 | 2015-01-21 | 德清县供电局 | Remote analysis method for determining leakage protector faults and AC contactor obstruction or faults |
| CN102636705A (en) * | 2012-03-09 | 2012-08-15 | 德清县供电局 | Device for judging fault of remote leakage protector and blockage or fault of alternating current contactor, and analysis method thereof |
| CN103675520A (en) * | 2012-03-09 | 2014-03-26 | 德清县供电局 | Remote analysis method for determining leakage protector faults and AC contactor obstruction or faults |
| CN102636705B (en) * | 2012-03-09 | 2014-05-07 | 德清县供电局 | Device for judging fault of remote leakage protector and blockage or fault of alternating current contactor, and analysis method thereof |
| CN102647026A (en) * | 2012-04-24 | 2012-08-22 | 上海毅昊自动化有限公司 | System for visually dynamically monitoring running state of relay protector |
| CN102916405A (en) * | 2012-11-19 | 2013-02-06 | 山东电力集团公司电力科学研究院 | Method for preventing power frequency alternative current interference of transformer substation from causing maloperation of jump block relay |
| CN102916405B (en) * | 2012-11-19 | 2015-10-28 | 山东电力集团公司电力科学研究院 | The industrial frequency AC interference of prevention transformer station causes the method for jump blocking relay malfunction |
| CN103616598A (en) * | 2013-12-05 | 2014-03-05 | 国家电网公司 | Testing method for dynamic simulation of linkage between protective channel faults and line faults |
| CN103837826A (en) * | 2014-03-18 | 2014-06-04 | 国家电网公司 | System and method for identification of faulty region of high-voltage switch operating circuit |
| CN103837826B (en) * | 2014-03-18 | 2016-08-24 | 国家电网公司 | High-voltage switch gear operation circuit fault zone identification system and method |
| CN104198926A (en) * | 2014-05-29 | 2014-12-10 | 国家电网公司 | Anti-trip loop test device for breaker and control method thereof |
| CN105374645A (en) * | 2015-11-19 | 2016-03-02 | 内蒙古电力勘测设计院有限责任公司 | Secondary circuit of handcart cabinet |
| CN105374645B (en) * | 2015-11-19 | 2018-05-25 | 内蒙古电力勘测设计院有限责任公司 | A kind of hands injured secondary circuit |
| CN106787204A (en) * | 2016-11-10 | 2017-05-31 | 许继集团有限公司 | A kind of intelligent terminal for being applied to current conversion station |
| CN106814313A (en) * | 2017-01-13 | 2017-06-09 | 天津大学 | The intellectual faculties in breaker operator loop |
| CN106814313B (en) * | 2017-01-13 | 2019-05-17 | 天津大学 | The intellectual faculties in breaker operator circuit |
| CN106849363A (en) * | 2017-03-17 | 2017-06-13 | 雅砻江流域水电开发有限公司 | The three-phase mechanical linkage circuit breaker control box that tripping operation contact shows entirely |
| CN106849363B (en) * | 2017-03-17 | 2019-03-12 | 雅砻江流域水电开发有限公司 | The three-phase mechanical linkage circuit breaker control box that tripping contact is shown entirely |
| CN107611945A (en) * | 2017-09-25 | 2018-01-19 | 国网河南省电力公司电力科学研究院 | A kind of equipment state sensing type 110kV line protection systems and implementation method |
| CN107611945B (en) * | 2017-09-25 | 2020-05-29 | 国网河南省电力公司电力科学研究院 | Equipment state sensing type 110kV line protection system and implementation method |
| CN107947373A (en) * | 2017-12-29 | 2018-04-20 | 国网冀北电力有限公司张家口供电公司 | PT is spaced apart tele-control system bis- times |
| CN110426625A (en) * | 2019-08-02 | 2019-11-08 | 刘韶俊 | A kind of computer operation case for substation |
| CN110429715A (en) * | 2019-09-05 | 2019-11-08 | 广东电网有限责任公司 | Device is sent on signal intelligent |
| CN110829351B (en) * | 2019-10-11 | 2022-09-20 | 中国电力科学研究院有限公司 | Intelligent control system and method for primary and secondary fusion circuit breaker |
| CN110829351A (en) * | 2019-10-11 | 2020-02-21 | 中国电力科学研究院有限公司 | Intelligent control system and method for primary and secondary fusion circuit breaker |
| CN111679653A (en) * | 2020-06-15 | 2020-09-18 | 中国南方电网有限责任公司超高压输电公司昆明局 | Intelligent fault recording device and direct-current field control loop fault positioning method |
| CN112147498A (en) * | 2020-09-23 | 2020-12-29 | 广州市扬新技术研究有限责任公司 | Module for monitoring and controlling direct current breaker |
| CN112366819A (en) * | 2020-10-10 | 2021-02-12 | 广西电网有限责任公司电力科学研究院 | Secondary circuit module based on circuit breaker mechanism |
| CN112433147A (en) * | 2020-10-30 | 2021-03-02 | 国网山东省电力公司聊城供电公司 | High-voltage circuit breaker control circuit fault self-diagnosis device |
| CN113064011A (en) * | 2021-03-25 | 2021-07-02 | 温州电力建设有限公司 | Automatic test method for protection operation loop |
| CN113064011B (en) * | 2021-03-25 | 2023-09-15 | 温州电力建设有限公司 | Automatic test method for protection operation loop |
| CN114977101A (en) * | 2022-04-12 | 2022-08-30 | 国网福建省电力有限公司 | Intelligent switching-on technical transformation method for centralized control small hydropower station |
| CN115267484A (en) * | 2022-05-27 | 2022-11-01 | 国网江苏省电力有限公司南通供电分公司 | Fault monitoring method and system for relay protection operation circuit |
| CN115267484B (en) * | 2022-05-27 | 2024-05-31 | 国网江苏省电力有限公司南通供电分公司 | Relay protection operation loop fault monitoring method and system |
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