CN101764432B - Intelligent operation box with action connection point self-checking function - Google Patents
Intelligent operation box with action connection point self-checking function Download PDFInfo
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- CN101764432B CN101764432B CN2010103002886A CN201010300288A CN101764432B CN 101764432 B CN101764432 B CN 101764432B CN 2010103002886 A CN2010103002886 A CN 2010103002886A CN 201010300288 A CN201010300288 A CN 201010300288A CN 101764432 B CN101764432 B CN 101764432B
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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Abstract
The invention relates to an intelligent operation box in the field of the electric power relay protection technology, comprising a fiber-optical communication interface, a controlling device, a switching value processing module, a switching on processing module and a tripping processing module, wherein, GOOSE message information is exchanged by the controlling device and a process layer network through the fiber-optical communication interface, the controlling device is connected with the switching value processing module to transmit switching value information, the controlling device is respectively connected with the switching on processing module and the tripping processing module to obtain status information of a circuit breaker and carry out tripping and switching on control, input information is collected by the input end of the switching value processing module, an output connection point state is sent out by the output end of the switching value processing module, and the switching on processing module and the tripping processing module are respectively connected with a switching on coil return circuit and a tripping coil return circuit of a circuit breaker operation mechanism. The intelligent operation box solves the electric secondary return circuit status examining and repairing problem and creates necessary conditions for realizing complete status detection of a protection system and status examining and repairing of relay protection.
Description
Technical field
What the present invention relates to is a kind of device of electric power protection technical field, specifically is a kind of intelligent operation box with action connection point self-checking function.
Background technology
The electric secondary operation circuit is the circuit that electric primary equipment is controled, and is an important component part of relaying protection.In today that digital transformer substation begins to use; Require to carry out under the situation of repair based on condition of component at relay protection device;, obviously can not meet the demands because of not possessing functions such as self check, on-line monitoring, data remote as the operation circuit of relaying protection control of export, existing widespread usage.
The breaker tripping and closing action connection point abnormal conditions of contact adhesion or tripping might occur owing to long-play or other reason.The timely diagnosis of this abnormal conditions is very important for breaker operator.Yet, it is reported generally do not possess the ability that action connection point detects automatically by domestic intelligent microcomputer type control box at present.
Retrieval through to prior art is found: " PCS-222B intelligence operation box technology and operation instructions " have been put down in writing intelligent microcomputer type control box and its implementation of a kind of complete function.The 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 this prior art does not possess breaker tripping and closing action connection point self-test capability equally, can't realize the status monitoring that protection system is complete.
Summary of the invention
The present invention is directed to the above-mentioned deficiency that prior art exists, a kind of intelligent operation box with action connection point self-checking function is provided.After intelligent operation box tripping operation or the execution of combined floodgate contact, automatically this action connection point is carried out invention closed, disjunction action sequence state-detection.This invention has solved electric secondary circuit repair based on condition of component problem, thereby also for realizing the complete status monitoring of protection system, relaying protection is carried out repair based on condition of component and created necessary condition.
The present invention realizes through following technical scheme; The present invention includes: optical fiber communication interface, controller, switching value processing module, combined floodgate processing module and tripping operation processing module; Wherein: controller is through optical fiber communication interface and process layer network exchange GOOSE (towards the transformer substation case of general object) message information; Controller links to each other with the switching value processing module with transmitting switch amount information; Controller links to each other with the tripping operation processing module with the combined floodgate processing module respectively and obtains circuit-breaker status information and carry out breaker tripping and closing control; The input collection of switching value processing module is opened into amount information, and output is seen the amount of leaving contact state off, and the combined floodgate processing module is connected with the breaking coil loop with the closing coil loop of circuit breaker operation mechanism respectively with the tripping operation processing module.
Described combined floodgate processing module comprises: loop, trip position monitoring circuit and combined floodgate contact monitoring circuit are carried out in the control of closing a floodgate; Wherein: the input that loop and trip position monitoring circuit are carried out in the control of closing a floodgate is connected with circuit breaker operation mechanism respectively, and the end of probe of combined floodgate contact monitoring circuit is carried out being connected of loop with the control of closing a floodgate.
The control of described combined floodgate is carried out the loop and is comprised: first of series connection close a floodgate outlet contact, second close a floodgate the outlet contact and the control monitoring circuit that closes a floodgate successively, and wherein: the first outlet contact that closes a floodgate is an independent auxiliary relay output contact by controller control deciliter; The second outlet contact that closes a floodgate is another the independent auxiliary relay output contact by controller control deciliter.
Whether described combined floodgate control monitoring circuit, trip position monitoring circuit and combined floodgate contact monitoring circuit are the optocoupler testing circuit, have electric current to pass through to detect combined floodgate contact monitoring circuit respectively and to close a floodgate to control to carry out in the loop.
Described tripping operation processing module comprises: loop, closing position monitoring circuit and tripping operation contact monitoring circuit are carried out in tripping operation control; Wherein: the input that loop and closing position monitoring circuit are carried out in tripping operation control is connected with circuit breaker operation mechanism respectively, and the end of probe of tripping operation contact monitoring circuit is carried out being connected of loop with tripping operation control.
Described tripping operation control is carried out the loop and is comprised: first of the series connection tripping operation outlet contact, the second tripping operation outlet contact and tripping operation control monitoring circuit successively, and wherein: the first tripping operation outlet contact is an independent auxiliary relay output contact by controller control deciliter; The second tripping operation outlet contact is another the independent auxiliary relay output contact by controller control deciliter.
Whether described tripping operation control monitoring circuit, closing position monitoring circuit and tripping operation contact monitoring circuit are the optocoupler testing circuit, carry out the loop and have electric current to pass through to detect closing position monitoring circuit and tripping operation control respectively.
Described controller adopts software to realize all logical operations and the function differentiation of intelligent operation box; Controller has been realized existing logical operation discrimination functions such as circuit-breaker status supervision that the intelligent operation box controller of prior art realizes, control loop inspection, circuit breaker breaker tripping and closing operation, has also realized the breaker tripping and closing action connection point self check logical operation discrimination function that arrives involved in the present invention simultaneously.
Show through test and ruuning situation, the present invention's ability quick self-checking, and it is rationally effective to detect step, satisfies the requirement of " relay protection of power system and automatic safety device anti-accident measures main points " fully.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a combined floodgate processing module sketch map.
Fig. 3 is tripping operation processing module sketch map.
Specific embodiments
Elaborate in the face of embodiments of the invention down, present embodiment provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment being to implement under the prerequisite with technical scheme of the present invention.
As shown in Figure 1; Present embodiment comprises: optical fiber communication interface, controller, switching value processing module, combined floodgate processing module and tripping operation processing module; Wherein: controller is through optical fiber communication interface and process layer network exchange GOOSE message information; Controller links to each other with the switching value processing module with transmitting switch amount information; Controller links to each other with the tripping operation processing module with the combined floodgate processing module respectively and obtains circuit-breaker status information and carry out breaker tripping and closing control; The input collection of switching value processing module is opened into amount information, and output is seen the amount of leaving contact state off, and the combined floodgate processing module is connected with the breaking coil loop with the closing coil loop of circuit breaker operation mechanism respectively with the tripping operation processing module.
As shown in Figure 2; Described combined floodgate processing module comprises: loop, trip position monitoring circuit and combined floodgate contact monitoring circuit are carried out in the control of closing a floodgate; Wherein: the input that loop and trip position monitoring circuit are carried out in the control of closing a floodgate is connected with circuit breaker operation mechanism respectively, and the end of probe of combined floodgate contact monitoring circuit is carried out being connected of loop with the control of closing a floodgate.
The control of described combined floodgate is carried out the loop and is comprised: first of series connection close a floodgate outlet contact HZCK1, second close a floodgate the outlet contact HZCK2 and the control monitoring circuit that closes a floodgate successively, and wherein: the first outlet contact that closes a floodgate is an independent auxiliary relay output contact by controller control deciliter; The second outlet contact that closes a floodgate is another the independent auxiliary relay output contact by controller control deciliter;
Described combined floodgate control monitoring circuit is the optocoupler testing circuit; This optocoupler of " supervision of closing a floodgate " software mark reflection is set in controller opens into state, controller software can confirm through checking " close a floodgate and keep watch on " sign whether combined floodgate control monitoring circuit has electric current to pass through.
Described trip position monitoring circuit is the optocoupler testing circuit; This optocoupler of " jumping the position keeps watch on " software mark reflection is set in controller opens into state, controller software can confirm through checking " jumping the position keeps watch on " sign whether the trip position monitoring circuit has electric current to pass through.
Described combined floodgate contact monitoring circuit is the optocoupler testing circuit; This optocoupler of " supervision of combined floodgate contact " software mark reflection is set in controller opens into state, controller software indicates through checking " supervision of combined floodgate contact " whether the contact monitoring circuit of can confirming to close a floodgate has electric current to pass through.
As shown in Figure 3; Described tripping operation processing module comprises: loop, closing position monitoring circuit and tripping operation contact monitoring circuit are carried out in tripping operation control; Wherein: the input that loop and closing position monitoring circuit are carried out in tripping operation control is connected with circuit breaker operation mechanism respectively, and the end of probe of tripping operation contact monitoring circuit is carried out being connected of loop with tripping operation control.
Described tripping operation control is carried out the loop and is comprised: first of the series connection tripping operation outlet contact TZCK1, the second tripping operation outlet contact TZCK2 and tripping operation control monitoring circuit successively, and wherein: the first tripping operation outlet contact is an independent auxiliary relay output contact by controller control deciliter; The second tripping operation outlet contact is another the independent auxiliary relay output contact by controller control deciliter;
Described tripping operation control monitoring circuit is the optocoupler testing circuit; This optocoupler of " tripping operation is kept watch on " software mark reflection is set in controller opens into state, controller software can confirm through checking " tripping operation is kept watch on " sign whether tripping operation control monitoring circuit has electric current to pass through.
Described closing position monitoring circuit is the optocoupler testing circuit; This optocoupler of " closing the position keeps watch on " software mark reflection is set in controller opens into state, controller software can confirm through checking " closing the position keeps watch on " sign whether the closing position monitoring circuit has electric current to pass through.
Described tripping operation contact monitoring circuit is the optocoupler testing circuit; This optocoupler of " contact that trips is kept watch on " software mark reflection is set in controller opens into state, controller software indicates through checking " the tripping operation contact is kept watch on " whether the contact monitoring circuit of can confirming to trip has electric current to pass through.
But the various GOOSE orders that described optical fiber communication interface receiving course layer network issues are provided with the state that various software mark reflections receive orders in controller; Deliver to the process layer network on the various state informations that adopt the GOOSE message that controller is determined.
Described switching value processing module adopts optocoupler to open into mode and gathers various state informations, and for example: pressure hangs down state informations such as lock operation, the low locking combined floodgate of pressure, the low locking tripping operation of pressure, closing by hand; Adopting the idle contact mode that controller is differentiated state outcome sees off.
Described controller adopts software to realize all logical operations and the function differentiation of intelligent operation box; Controller has been realized existing logical operation discrimination functions such as circuit-breaker status supervision that existing intelligent operation box controller realizes, control loop inspection, circuit breaker breaker tripping and closing operation, has also realized the breaker tripping and closing action connection point self check logical operation discrimination function that present embodiment is involved simultaneously.
That in controller, be provided with, relevant with the involved breaker tripping and closing action connection point self check logic of present embodiment software mark arrangement is as follows:
" supervision of closing a floodgate " sign value and implication:
Value " 0 ": expression combined floodgate control monitoring circuit no current passes through;
Value " 1 ": expression combined floodgate control monitoring circuit has electric current to pass through;
" jumping the position keeps watch on " sign value and implication:
Value " 0 ": expression trip position monitoring circuit no current passes through;
Value " 1 ": expression trip position monitoring circuit has electric current to pass through;
" supervision of combined floodgate contact " sign value and implication:
Value " 0 ": expression combined floodgate contact monitoring circuit no current passes through;
Value " 1 ": expression combined floodgate contact monitoring circuit has electric current to pass through;
" tripping operation is kept watch on " sign value and implication:
Value " 0 ": expression tripping operation control monitoring circuit no current passes through;
Value " 1 ": expression tripping operation control monitoring circuit has electric current to pass through;
" closing the position keeps watch on " sign value and implication:
Value " 0 ": expression closing position monitoring circuit no current passes through;
Value " 1 ": expression closing position monitoring circuit has electric current to pass through;
" the tripping operation contact is kept watch on " sign value and implication:
Value " 0 ": expression tripping operation contact monitoring circuit no current passes through;
Value " 1 ": expression tripping operation contact monitoring circuit has electric current to pass through;
Present embodiment realizes relating to automatic detection through following steps:
The first step, execution combined floodgate contact detect automatically, and order comprises following steps:
1.1) combined floodgate contact self check precondition differentiates: only be in closing position, and reliably close a floodgate outlet and second combined floodgate of disjunction first exports the subsequent step that could carry out the self check of combined floodgate contact under the precondition of two pairs of combined floodgate contacts at circuit breaker.Criterion is following:
" jumping the position keeps watch on " sign value is " 0 ";
" supervision of combined floodgate contact " sign value is " 0 ";
The sign value of " closing a floodgate and keep watch on " is " 0 ";
In the 1s differentiation time of setting, if above-mentioned three conditions continue to satisfy 500ms by the relation of logical, then differentiate for combined floodgate contact self check condition satisfies, forward step 1.2 to) continue to carry out;
Otherwise after through the 1s differentiation time of setting, differentiate combined floodgate contact self check condition and do not possess, stop self check and directly return.
1.2) the first outlet junction closure inspection of closing a floodgate: drive the first outlet junction closure that closes a floodgate, carry out the first outlet junction closure inspection of closing a floodgate and differentiate, decision condition is following:
" supervision of combined floodgate contact " sign value is " 1 ";
In the 1s differentiation time of setting,, then think to forward step 1.3 to by the first combined floodgate contact normally closed if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiation is the first combined floodgate contact tripping, regains the first combined floodgate outlet contact, stops self check and directly returns.
1.3) the first outlet contact disjunction inspection of closing a floodgate: regain the first outlet contact that closes a floodgate, carry out the first outlet contact disjunction inspection of closing a floodgate and differentiate, decision condition is following:
" supervision of combined floodgate contact " sign value is " 0 ";
In the 1s differentiation time of setting,, then think the normal disjunction of the first combined floodgate contact to forward step 1.4 to if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiate, stop self check and directly return for the combined floodgate contact glues extremely.
1.4) the second outlet junction closure inspection of closing a floodgate: drive the second outlet junction closure that closes a floodgate, carry out the second outlet junction closure inspection of closing a floodgate and differentiate, decision condition is following:
" jumping the position keeps watch on " sign value is " 1 ";
" supervision of combined floodgate contact " sign value is " 1 ";
The sign value of " closing a floodgate and keep watch on " is " 1 ";
In the 1s differentiation time of setting,, then think to forward step 1.5 to by the second combined floodgate contact normally closed if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiation is the second combined floodgate contact tripping, regains the second combined floodgate outlet contact, stops self check and directly returns.
1.5) the second outlet contact disjunction inspection of closing a floodgate: regain the second outlet contact that closes a floodgate, carry out the second outlet contact disjunction inspection of closing a floodgate and differentiate, decision condition is following:
" jumping the position keeps watch on " sign value is " 0 ";
" supervision of combined floodgate contact " sign value is " 0 ";
The sign value of " closing a floodgate and keep watch on " is " 0 ";
In the 1s differentiation time of setting,, then think the normal disjunction of the second combined floodgate contact to forward 1.6 to if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiation is that the second combined floodgate contact is sticking dead, stops self check and returns.
1.6) this combined floodgate contact self check of decidable is no abnormal.
So far, accomplished the Overall Steps of the contact self check of once closing a floodgate.
Second step, execution tripping operation contact detect automatically, and order comprises following steps:
2.1) tripping operation contact self check precondition differentiates: only be in trip position, and reliably could carry out the subsequent step of the contact self check of tripping under the precondition of the disjunction first tripping operation outlet and two pairs of contacts that trip of the second tripping operation outlet at circuit breaker.Criterion is following:
" closing the position keeps watch on " sign value is " 0 ";
" the tripping operation contact is kept watch on " sign value is " 0 ";
" tripping operation is kept watch on " sign value is " 0 ";
In the 1s differentiation time of setting, if above-mentioned three conditions continue to satisfy 500ms by the relation of logical, then differentiate for tripping operation contact self check condition satisfies, forward step 2.2 to) continue to carry out;
Otherwise after through the 1s differentiation time of setting, differentiate tripping operation contact self check condition and do not possess, stop self check and directly return.
2.2) the first tripping operation outlet junction closure inspection: drive the first tripping operation outlet junction closure, carry out the first tripping operation outlet junction closure inspection and differentiate, decision condition is following:
" the tripping operation contact is kept watch on " sign value is " 1 ";
In the 1s differentiation time of setting,, then think to forward step 2.3 to by the first tripping operation contact normally closed if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiation is the first tripping operation contact tripping, regains the first tripping operation outlet contact, stops self check and directly returns.
2.3) the first tripping operation outlet contact disjunction inspection: regain the first tripping operation outlet contact, carry out the first tripping operation outlet contact disjunction inspection and differentiate, decision condition is following:
" the tripping operation contact is kept watch on " sign value is " 0 ";
In the 1s differentiation time of setting,, then think the normal disjunction of the first tripping operation contact to forward step 2.4 to if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiate, stop self check and directly return for the tripping operation contact glues extremely.
2.4) the second tripping operation outlet junction closure inspection: drive the second tripping operation outlet junction closure, carry out the second tripping operation outlet junction closure inspection and differentiate, decision condition is following:
" closing the position keeps watch on " sign value is " 1 ";
" the tripping operation contact is kept watch on " sign value is " 1 ";
" tripping operation is kept watch on " sign value is " 1 ";
In the 1s differentiation time of setting,, then think to forward step 2.5 to by the second tripping operation contact normally closed if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiation is the second tripping operation contact tripping, regains the second tripping operation outlet contact, stops self check and directly returns.
2.5) the second tripping operation outlet contact disjunction inspection: regain the second tripping operation outlet contact, carry out the second tripping operation outlet contact disjunction inspection and differentiate, decision condition is following:
" closing the position keeps watch on " sign value is " 0 ";
" the tripping operation contact is kept watch on " sign value is " 0 ";
" tripping operation is kept watch on " sign value is " 0 ";
In the 1s differentiation time of setting,, then think the normal disjunction of the second tripping operation contact to forward 2.6 to if above-mentioned condition continues to satisfy 500ms) continue to carry out.
Otherwise after through the 1s differentiation time of setting, differentiation is that the second tripping operation contact is sticking dead, stops self check and returns.
2.6) this tripping operation contact self check of decidable is no abnormal.
So far, accomplished the Overall Steps of the contact self check of once tripping.
Present embodiment can be carried out closed, disjunction action sequence state-detection to this action connection point after compared with prior art having breaker tripping and closing action connection point completion breaker tripping and closing action automatically, make that any unusual condition of action connection point can both be by the advantage of timely diagnosis.
Claims (1)
1. intelligent operation box with action connection point self-checking function; It is characterized in that; Comprise: optical fiber communication interface, controller, switching value processing module, combined floodgate processing module and tripping operation processing module; Wherein: controller exchanges the transformer substation case message information towards general object through optical fiber communication interface and process layer network; Controller links to each other with the switching value processing module with transmitting switch amount information, and controller links to each other with the tripping operation processing module with the combined floodgate processing module respectively and obtains circuit-breaker status information and carry out breaker tripping and closing control, and the input collection of switching value processing module is opened into amount information; Output is seen the amount of leaving contact state off, and the combined floodgate processing module is connected with the breaking coil loop with the closing coil loop of circuit breaker operation mechanism respectively with the tripping operation processing module;
Described combined floodgate processing module comprises: loop, trip position monitoring circuit and combined floodgate contact monitoring circuit are carried out in the control of closing a floodgate; Wherein: the input that loop and trip position monitoring circuit are carried out in the control of closing a floodgate is connected with circuit breaker operation mechanism respectively, and the end of probe of combined floodgate contact monitoring circuit is carried out being connected of loop with the control of closing a floodgate;
The control of described combined floodgate is carried out the loop and is comprised: first of series connection close a floodgate outlet contact, second close a floodgate the outlet contact and the control monitoring circuit that closes a floodgate successively, and wherein: the first outlet contact that closes a floodgate is an independent auxiliary relay output contact by controller control deciliter; The second outlet contact that closes a floodgate is another the independent auxiliary relay output contact by controller control deciliter;
Whether described combined floodgate control monitoring circuit, trip position monitoring circuit and combined floodgate contact monitoring circuit are the optocoupler testing circuit, have electric current to pass through to detect combined floodgate contact monitoring circuit respectively and to close a floodgate to control to carry out in the loop.
Described tripping operation processing module comprises: loop, closing position monitoring circuit and tripping operation contact monitoring circuit are carried out in tripping operation control; Wherein: the input that loop and closing position monitoring circuit are carried out in tripping operation control is connected with circuit breaker operation mechanism respectively, and the end of probe of tripping operation contact monitoring circuit is carried out being connected of loop with tripping operation control;
Described tripping operation control is carried out the loop and is comprised: first of the series connection tripping operation outlet contact, the second tripping operation outlet contact and tripping operation control monitoring circuit successively, and wherein: the first tripping operation outlet contact is an independent auxiliary relay output contact by controller control deciliter; The second tripping operation outlet contact is another the independent auxiliary relay output contact by controller control deciliter;
Whether described tripping operation control monitoring circuit, closing position monitoring circuit and tripping operation contact monitoring circuit are the optocoupler testing circuit, carry out the loop and have electric current to pass through to detect closing position monitoring circuit and tripping operation control respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010103002886A CN101764432B (en) | 2010-01-14 | 2010-01-14 | Intelligent operation box with action connection point self-checking function |
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| CN2010103002886A CN101764432B (en) | 2010-01-14 | 2010-01-14 | Intelligent operation box with action connection point self-checking function |
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| CN101764432B true CN101764432B (en) | 2012-05-23 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867228B (en) * | 2010-07-22 | 2012-05-09 | 上海思源弘瑞自动化有限公司 | Outlet loop online detection system for relay protection device |
| CN101944771B (en) * | 2010-08-13 | 2012-07-25 | 上海思源弘瑞自动化有限公司 | Secondary loop panoramic state monitoring system for electric operating mechanism of circuit breaker |
| CN101980418B (en) * | 2010-11-11 | 2012-09-26 | 上海思源弘瑞自动化有限公司 | System for detecting secondary wiring of relay protection system in transformer substation on line |
| CN102331757B (en) * | 2011-07-13 | 2012-11-07 | 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 |
| CN102749537A (en) * | 2012-06-14 | 2012-10-24 | 南京南瑞继保电气有限公司 | Method for testing performance of trip outlet contact of relay protection device |
| CN106451372B (en) * | 2015-08-08 | 2019-03-08 | 河南华盛隆源电气有限公司 | A kind of novel reclosing controller software architecture system |
| CN105515204B (en) * | 2016-01-29 | 2019-04-09 | 山东鲁能智能技术有限公司 | A kind of intelligent substation Artificial switch, device and method |
| CN109343411A (en) * | 2018-10-31 | 2019-02-15 | 广东电网有限责任公司 | On-load voltage regulation mechanism controls circuit monitoring system |
| CN110426625A (en) * | 2019-08-02 | 2019-11-08 | 刘韶俊 | A kind of computer operation case for substation |
| CN111682512B (en) * | 2020-06-10 | 2021-07-27 | 广东电网有限责任公司 | Circuit breaker body three-phase inconsistent protection misoperation prevention loop and system |
| CN111986939B (en) * | 2020-07-30 | 2023-09-15 | 许继集团有限公司 | Tripping and closing control system of circuit breaker and monitoring method thereof |
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