CN202059141U - Reclosing remote throwing-withdrawing relay - Google Patents
Reclosing remote throwing-withdrawing relay Download PDFInfo
- Publication number
- CN202059141U CN202059141U CN2011201276330U CN201120127633U CN202059141U CN 202059141 U CN202059141 U CN 202059141U CN 2011201276330 U CN2011201276330 U CN 2011201276330U CN 201120127633 U CN201120127633 U CN 201120127633U CN 202059141 U CN202059141 U CN 202059141U
- Authority
- CN
- China
- Prior art keywords
- relay
- pin
- normal opened
- opened contact
- reclosing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000009471 action Effects 0.000 claims description 57
- 238000004804 winding Methods 0.000 claims description 36
- 239000003990 capacitor Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000008859 change Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 206010001541 Akinesia Diseases 0.000 description 1
- 240000000233 Melia azedarach Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a reclosing remote throwing-withdrawing relay. By a normally closed contact (K-2) of a local/remote selective switch, a two-position relay (J6) is controlled to return so that normally closed contacts (J6-2 and J6-3) of the relay are closed for receiving a remote throwing-withdrawing command; and intermediate elements (J1 and J2) respectively connected with the normally closed contacts (J6-2 and J6-3) are controlled to act, and a normally open contact (J1-1) or (J2-1) is controlled to close so that a correspondingly connected two-position relay (J3) acts or returns for remote throwing in or withdrawing for reclosing. Or, by a normally closed contact (K-1) of the local/remote selective switch, the relay is switched to be in a local operation status. The reclosing remote throwing-withdrawing relay realizes the functions of three-phase one shot reclosing and scheduling remote control throwing-withdrawing reclosing, and can be matched with relay protection so that a disconnected breaker automatically recloses. If the fault is permanent, tripping happens again after reclosing and reclosing does not happen again. Scheduling can remotely control the reclosing function according to the requirement of operating modes, thus saving work load.
Description
Technical field
The utility model relates to a kind of relay, and a particularly a kind of reclosing distant place that is used in the transformer station is thrown and moved back relay.
Background technology
Reclosing is a kind of automatics that improves the feeder line power supply reliability in the transformer station.When substation's feeder caused circuit breaker trip because of transient fault, reclosing device closed a floodgate line-breaker again.Back line fault disappears if close a floodgate, and then circuit can keep power supply.
The input of circuit reclosing and release in the conventional substation almost completely rely on the operation personnel to operate to the scene.At present, conventional substation all possesses the function of remote signalling, telemetry and telecommand usually.Main operation in the transformer station all can be carried out in remote control.The artificial throwing of circuit reclosing is moved back has increased a large amount of workloads.
The utility model content
The purpose of this utility model is to provide a kind of reclosing distant place to throw and moves back relay, and it is realized the three-phase single shot reclosing and dispatches the remote control throwing and move back the reclosing function on transmission line.It can match with relaying protection, and the circuit breaker that is disconnected is closed a floodgate automatically again, is temporary as fault, then system restoration operation; As fault is permanent, tripping operation once more after then overlapping, and no longer overlap; And scheduling can require distant place control reclosing function according to operational mode, thereby saves workload.
In order to achieve the above object, the technical solution of the utility model provides a kind of reclosing distant place and throws and to move back relay, includes to receive and handle the reclosing input of sending from a distant place in the control room and a distant place that exits command and throw and move back module, and it further comprises:
The DC/DC transducer, it is connected with the positive-negative power ± KM of external loop respectively and carries out current conversion by 5 pin and 11 pin of relay, comes to be each circuit module power supply in the described relay;
On the spot/and distant place selector switch, comprise the normal opened contact K-1 and the normally closed contact K-2 that are connected with the output of described DC/DC transducer, for relay local operation and remote operation switch;
Two two-position relay J3, J6, wherein, the motion end S of two-position relay J6 and return terminal R are connected with normally closed contact K-2 is corresponding with described normal opened contact K-1 respectively; This two-position relay J6 is provided with two normally closed contact J6-2, J6-3, and it comes an input order of the described distant place of corresponding reception and a distant place to exit command respectively by 13 pin and 14 pin of relay;
Two intermediary element J1, J2 are connected with described normally closed contact J6-2, J6-3 respectively; The normal opened contact J1-1 of described intermediary element J1 is arranged between the output of the motion end S of described two-position relay J3 and described DC/DC transducer; The normal opened contact J2-1 of described intermediary element J2 is arranged between the output of the return terminal R of described two-position relay J3 and described DC/DC transducer.
In the described relay, when on the spot described/when distant place selector switch was chosen in remote location, described normally closed contact K-2 closure was returned two-position relay J6, controls normally closed contact J6-2, J6-3 closure;
At this moment, when 13 pin of relay, when receiving the described reclosing input order of sending from a distant place, described intermediary element J1 action, control normal opened contact J1-1 closure is so that two-position relay J3 adhesive, control the normal opened contact J3-1 closure of its setting, come a distant place to drop into reclosing.
In the described relay, when on the spot described/when distant place selector switch was chosen in remote location, described normally closed contact K-2 closure was returned two-position relay J6, controls normally closed contact J6-2, J6-3 closure;
At this moment, when 14 pin of relay, receive the described reclosing that sends from a distant place when exiting command, described intermediary element J2 action, control normal opened contact J2-1 closure is so that two-position relay J3 returns, the normal opened contact J3-1 that controls its setting disconnects, and comes remote control to withdraw from reclosing.
In the described relay, when on the spot described/distant place selector switch is selected to position on the spot, described normal opened contact K-1 closure, its normal opened contact J6-1 closure is controlled in two-position relay J6 action, enters the local operation state;
Two-position relay J6 action is also controlled its normally closed contact J6-2, J6-3 and is opened, and makes intermediary element J1, J2 dead electricity, and the state that control two-position relay J3 keeps its distant place to drop into or withdraw from moves back state until the throwing that changes reclosing by local operation.
Described relay also comprises charge circuit, and it further comprises:
Intermediary element J5, be serially connected in relay 1 pin, 4 pin between; Described intermediary element J5 is provided with normal opened contact J5-1;
Capacitor C, it is connected with described normal opened contact J5-1 by resistance R 4, is arranged between relay 5 pin that are connected with external loop positive-negative power ± KM, 11 pin with connection; Behind outside circuit breaker closing by hand, relay 1 pin, 4 pin obtain AC power, make intermediary element J5 action, its normal opened contact J5-1 closure, capacitor C is communicated with external loop positive-negative power ± KM charges, and relay is entered treat coincidence status after charging is finished.
Described relay also comprises the delayed startup module, and it further comprises:
Intermediary element J4 is serially connected in outside circuit breaker and pays between relay 1 pin that contact is connected, 3 pin; Described intermediary element J4 is provided with normal opened contact J4-1, J4-2, and wherein said normal opened contact J4-1 is connected in parallel on the described normal opened contact J5-1;
Time component SJ by being connected in series described normal opened contact J4-1, J4-2, is arranged between 5 pin, 11 pin of described relay; Described time component SJ is provided with the time component contact SJ-1 that often opens;
When normal opened contact J6-1 closing relay is in the local operation state, or when normal opened contact J3-1 closing relay is in the remote operation state and carries out distant place input simultaneously, by circuit breaker pay on 1 pin of contact at relay, 3 pin AC power, make intermediary element J4 action, normal opened contact J4-1, J4-2 closure are come control time element SJ action;
Intermediary element 1ZJ, it comprises voltage winding and electric current winding, and is provided with normal opened contact 1ZJ-1; Wherein, described voltage winding is connected in series with described time component contact SJ-1, behind time element SJ action and time-delay certain hour, time component contact SJ-1 closure, described voltage winding is attempted by on the capacitor C, thereby discharges to intermediary element 1ZJ, make its voltage winding action by described capacitor C.
Described relay also comprises the output module that sends closing pulse, and it further comprises:
The normal opened contact J6-1 that described two-position relay J6 is provided with, and the normal opened contact J3-1 of described two-position relay J3 setting; After described normal opened contact J6-1, J3-1 and connecing is provided with, between 7 pin and 9 pin of described relay as the outlet contact that closes a floodgate, be connected in series with electric current winding and the normal opened contact 1ZJ-1 thereof of described intermediary element 1ZJ, and described relay 2 pin that are connected with external loop breaker closing positive pulse and connecing;
When the voltage winding of described intermediary element 1ZJ moves, its electric current winding action also keeps normal opened contact 1ZJ-1 closure, and make normal opened contact J6-1 closure at described local operation, perhaps operate in the distance and carry out a distant place to drop into and when making normal opened contact J3-1 closed, to close a floodgate exports contact 7 pin and the connection of 9 pin, and the described circuit breaker that is connected with 7 pin, 9 pin with control closes a floodgate.
Described relay also comprises:
Anti-jump intermediary element 2ZJ, its voltage winding and normal opened contact 2ZJ-2 serial connection is arranged between 11 pin of described relay 2 pin that are connected with external loop breaker closing positive pulse and connection external loop negative supply-KM; The normally closed contact 2ZJ-1 of anti-jump intermediary element 2ZJ is arranged between described relay 2 pin, 9 pin;
The electric current winding of described anti-jump intermediary element 2ZJ, serial connection are arranged between relay 10 pin, 12 pin in external loop breaker open operation loop, and it moves during the circuit breaker separating brake outside;
When the external loop breaker open operation, the action of the electric current winding of described anti-jump intermediary element 2ZJ, normal opened contact 2ZJ-2 closure; When described relay 2 pin have lasting positive supply, when perhaps described relay 7 pin are communicated to the electric current winding of described intermediary element 1ZJ, the voltage winding action of anti-jump intermediary element 2ZJ also keeps normal opened contact 2ZJ-2 closure, thereby normally closed contact 2ZJ-1 is returned, described relay 2 pin and 7 pin all can not be communicated with 9 pin, the external loop circuit breaker can't close a floodgate, and stops the external loop circuit breaker to continue to jump between separating brake and "on" position;
Normally closed time component contact SJ-2 is serially connected between described relay 6 pin as locking preacceleration contact, 8 pin, and disconnects when closing operation is carried out in time component SJ action;
When saltus step takes place, during instantaneous the returning in promptly described time component SJ action back, closed again after described time component contact SJ-2 disconnection and the process certain time-delay.
Described relay also comprises the state display module, and it further comprises:
Distant place indicator light is connected with the output of described DC/DC transducer by normally closed contact J6-6, and it returns at two-position relay J6, luminous when normally closed contact J6-6 is closed, indicates receiving the reclosing input of sending from a distant place or exiting command;
Indicator light is connected with the output of described DC/DC transducer by normal opened contact J6-5 on the spot, and it is indicated entering the local operation state in two-position relay J6 action, luminous when normal opened contact J6-5 is closed;
Drop into indicator light, it is connected with the output of described DC/DC transducer by normal opened contact J3-4, and it drops into reclosing to a distant place and indicate in two-position relay J3 action, luminous when normal opened contact J3-4 is closed; Drop into indicator light, also be connected with described normal opened contact J6-5 by diode D1, luminous when normal opened contact J6-5 is closed, indicate dropping into reclosing on the spot.
Described state display module also comprises:
The AC power lamp, by behind the serial connection diode D3 and connect and be arranged on the described intermediary element J5, also, luminous when on its 1 pin, 3 pin or 1 pin, 4 pin AC power being arranged at described relay by behind the serial connection diode D2 and connect and be arranged on the described intermediary element J4;
The DC power supply lamp by normal opened contact J4-1, the J5-1 of described parallel connection, is arranged between relay 5 pin, 11 pin;
The locking lamp is connected with normal opened contact J4-1, J5-1 and the described capacitor C of parallel connection; When described normal opened contact J5-1 closure, when described capacitor C was charged, described DC power supply lamp, locking lamp were communicated with luminous with external loop positive-negative power ± KM respectively; Described locking lamp extinguishes after the charging of certain hour is finished, and indication has entered treats coincidence status;
Action lamp, and connect and be arranged on the time component SJ, it is by closed described normal opened contact J4-1, J4-2, is communicated with luminously with described external loop positive-negative power ± KM, and simultaneously, described locking lamp is also luminous, and the closing operation of circuit breaker is indicated; After combined floodgate was finished, described action lamp extinguished, and extinguished at the described locking lamp in certain hour charging back.
A reclosing described in the utility model distant place is thrown and is moved back relay; its advantage is: the utility model has solved a line protection reclosing function distant place in the former conventional substation can not remote control throw the problem of moving back; under the situation that does not change original M3-A multiple switching relay performance and installation dimension; utilize the principle and the technology of the static multiple switching relay of original maturation; installed additional remote control throw move back function, on the spot/distant place selector switch, improved the level of product.
Relay inside has adopted the magnetic cylinder to keep little auxiliary relay, is not subjected to the influence of accessory power supply fault outage.After relay accessory power supply dead electricity, the distant place of relay state and a distant place is on the spot thrown the state that moves back and is all remained unchanged.After relay re-powered, the reclosing function can not withdraw from from dropping into the position mistake, also not can from withdraw from the position miscarry into.
The utility model is realized the three-phase single shot reclosing and is dispatched the remote control throwing and move back the reclosing function on transmission line.It can match with relaying protection, and the circuit breaker that is disconnected is closed a floodgate automatically again, is temporary as fault, then system restoration operation; As fault is permanent, tripping operation once more after then overlapping, and no longer overlap; And scheduling can require distant place control reclosing function according to operational mode, thereby saves workload.
Description of drawings
Fig. 1 is that the theory diagram that moves back relay is thrown in a reclosing described in the utility model distant place;
Fig. 2 is that the cut-away drawing that moves back relay is thrown in a reclosing described in the utility model distant place.
Embodiment
A reclosing described in the utility model distant place is thrown and is moved back relay (hereinafter to be referred as relay), be under the situation of performance that does not change original M-3A type multiple switching relay and installation dimension, added a distant place throw move back function, on the spot/selector switch in a distant place, thereby realizing that three-phase single shot reclosing and scheduling remote control are thrown moves back the reclosing function.
Below cooperate, the concrete wiring relation and the working method of this relay is described referring to Fig. 1, shown in Figure 2.Fig. 1 is the theory diagram of relay described in the utility model, and Fig. 2 is the cut-away drawing of relay described in the utility model.
5 pin of described relay meet external loop positive supply+KM, and 11 pin meet external loop negative supply-KM; Carry out the current conversion of DC110V by the DC/DC transducer to DC24V; The holding current of this relay is between 0.25A ~ 2A, and reference time delay is between 0.05S ~ 9.95S.
1, a distant place is thrown and is moved back function
Described relay is provided with on the spot/distant place selector switch, normal opened contact K-1 and normally closed contact K-2 that its control is connected with DC/DC transducer 24V outgoing position.
When on the spot described/when distant place selector switch is chosen in remote location, normally closed contact K-2 closure, the two-position relay J6 that is connected with described contact K-1, K-2 returns, and controls its normally closed contact J6-2, J6-3 closure.
1), receives scheduling when sending the order of reclosing input by instruction, the intermediary element J1 action that is connected with normally closed contact J6-2, the normal opened contact J1-1 closure that control is connected with the DC/DC transducer from a distant place when 13 pin of relay.
At this moment, the two-position relay J3 adhesive (pulse duration 100MS) that is connected with normal opened contact J1-1, its normal opened contact J3-1 closure reaches the order ground that reclosing is dropped in a distant place, and being implemented in hereinafter of reclosing function can specifically describe.After reclosing dropped into, because normal opened contact J3-4 is also closed, there have LED to drop into indicator light on the relay panel to be luminous; In addition because normal opened contact J3-2, normally closed contact J3-3 action has signal output at reclosing distant place input signal contact 15-16 pin, 17-18 pin.
2), receive the reclosing that sends by instruction from a distant place in the control room when exiting command, the intermediary element J2 action that is connected with normally closed contact J6-3, the normal opened contact J2-1 closure that control is connected with the DC/DC transducer when 14 pin of relay.
At this moment, the two-position relay J3 that is connected with normal opened contact J2-1 returns (pulse duration 100MS), and normal opened contact J3-1 opens, and reaches the order ground that reclosing is withdrawed from a distant place.After reclosing withdrawed from, because normal opened contact J3-4 also disconnects, the LED on the relay panel dropped into indicator light and extinguishes; Because normal opened contact J3-2, normally closed contact J3-3 return, the signal that drops into signal contact 15-16 pin, 17-18 pin in the reclosing remote control returns in addition.
2, on the spot/distant place selector button function
1) as described in above-mentioned, when on the spot/when distant place selector switch is selected remote location, normally closed contact K-2 closure, two-position relay J6 returns, normally closed contact J6-2, J6-3 closure, scheduling can be thrown from a distant place move back reclosing.Simultaneously normally closed contact J6-6 is also closed, makes on the panel viridescent LED distant place indicator light luminous, and this moment, normal opened contact J6-4 disconnected, and signal contact 19～20 pin are not communicated with on the spot.
2) when on the spot/when distant place selector switch is selected to position on the spot, normal opened contact K-1 closure, two-position relay J6 action, make its normal opened contact J6-1 closure, normally closed contact J6-2, J6-3 open, intermediary element J1, J2 dead electricity, and the state that moves back is thrown in the distant place that two-position relay J3 keeps original.At this moment, the control room can not change the throwing of reclosing device again and move back state from a distant place, and state is moved back in the throwing that can only take local operation to change reclosing device.Because normal opened contact J6-5 closure, indicator light is luminous on the spot to make the LED that redness is arranged on the panel, drops into indicator light simultaneously and also is connected luminous with the described normal opened contact J5-5 of closure by diode D1.Normal opened contact J6-4 closure, signal contact 19～20 pin are connected on the spot.
3, reclosing function
Relay described in the utility model has adopted the principle of novel static multiple switching relay, and the multiple switching relay function with existing M3-A on the function is identical, in anti-jump function is arranged, digital adjust the time-delay reclosing time, very convenient, intuitive and reliable.
1) concrete, behind outside circuit breaker closing by hand, relay 1 pin, 4 pin obtain AC power, make the intermediary element J5 action that is serially connected between the bipod, make the normal opened contact J5-1 closure that is connected with 5 pin, and then make the capacitor C that is connected with this normal opened contact J5-1 by resistance R 4, can be communicated with external loop positive-negative power ± KM and charge; At this moment, reclosing drops into, make by behind the serial connection diode D3 and connect and be arranged on described intermediary element J5 to go up red LED AC power lamp bright, and make the DC power supply lamp of the green that is connected with the described normal opened contact J5-1 of closure bright, also make the locking lamp of the redness that is attempted by on the resistance R 4 bright; After 15～25 seconds, the locking lamp extinguishes, and the expression charging is finished, enters and treats coincidence status.
2) after described breaker protection tripping operation; when on the spot/when distant place selector switch is chosen on the spot the position (normal opened contact J6-1 closure); or when on the spot/distant place selector switch is chosen in remote location and when simultaneously reclosing is dropped in a distant place (normal opened contact J3-1 closure); to pay 1 pin that contact makes relay by circuit breaker; 3 pin get AC power; make the intermediary element J4 action (described intermediary element J5 returns simultaneously) that is serially connected between the bipod; control normal opened contact J4-1; the J4-2 closure makes by this normal opened contact J4-1; J4-2 is serially connected in 5; on 11 pin and the time component SJ that is communicated with positive-negative power ± KM action.
Behind the time-delay certain hour, control relay sends the closing pulse of 100MS, and promptly capacitor C is by the voltage winding discharge of closed time component contact SJ-1 to intermediary element 1ZJ, the voltage winding of intermediary element 1ZJ, the action of electric current winding; Make the normal opened contact 1ZJ-1 closure that is connected in series with the electric current winding of described intermediary element 1ZJ, and, hereinafter describe in detail by closed J6-1 or J3-1(and closed normally closed contact 2ZJ-1), will be communicated with 9 pin with relay 7 pin, send the order of closing a floodgate and make breaker closing.
Sending when closing a floodgate order, because also by behind the serial connection diode D2 and connect and be arranged on the described intermediary element J4, described LED AC power lamp was also sent out bright; Simultaneously the above red locking lamp of panel is bright, and the action lamp that is attempted by the redness on the voltage winding of time component SJ is bright, and described action lamp goes out behind the breaker closing, and the locking lamp extinguishes after charging in 15～25 seconds.
If what take place on the circuit is temporary fault, then after the breaker closing success, can charge for capacitor C again, described relay is in once more treats coincidence status.If behind the breaker closing, the tripping operation once more owing to permanent fault, this moment, capacitor C had little time to be charged to intermediary element ZJ action required voltage, thus intermediary element 1ZJ akinesia, thus guarantee only to carry out single shot reclosing.
3) an anti-jump intermediary element 2ZJ, its voltage winding and normal opened contact 2ZJ-2 serial connection are arranged between described relay 2 pin, 11 pin.
The electric current winding of this anti-jump intermediary element 2ZJ is arranged between 10 pin, 12 pin of relay, to be serially connected in the external loop breaker open operation loop, moves during the circuit breaker separating brake outside.(external loop of Lian Jieing is not shown herein)
When the external loop breaker open operation, the action of the electric current winding of this anti-jump intermediary element 2ZJ, normal opened contact 2ZJ-2 closure.When relay 2 pin have lasting positive supply, when perhaps relay 7 pin are communicated to the electric current winding of described intermediary element 1ZJ, the voltage winding action of anti-jump intermediary element 2ZJ also keeps normal opened contact 2ZJ-2 closure, thereby normally closed contact 2ZJ-1 is returned, relay 2 pin and 7 pin all can not be communicated with 9 pin, the external loop circuit breaker can't close a floodgate, and stops the external loop circuit breaker to continue to jump between separating brake and "on" position.
4) behind the circuit breaker manual brake separating, disconnect 1 pin of relay and the AC power on 3 pin, 1 pin and 4 pin by external loop, intermediary element J4 and J5 are returned, with the locking of reclosing function.
5) test button and connecing is arranged on the normal opened contact J4-2, throwing is moved back relay in running status when a reclosing distant place, press test button, intermediary element 1ZJ can move once, relay inside also can be moved and be sent the order of closing a floodgate, but circuit breaker can not overlap at coincidence status again, and the locking lamp of face onboard led is bright.
A kind of application example of multiple switching relay described in the utility model is as follows:
Behind the circuit breaker closing by hand, obtain AC power at 1 pin, 4 pin of relay, thereby be capacitor C charging in the relay by above-mentioned a series of internal actions.After charging is finished, be in and treat coincidence status.
If on the spot/and distant place selector button switches in remote location, and then the inner normal opened contact J6-1 of relay returns, and combined floodgate outlet contact 7 pin of relay, 9 pin are by normal opened contact J3-1 control in the relay.When reclosing is dropped in a scheduling distant place, the intermediary element J1 in the relay will receive the positive supply pulse that external loop is sent here, and by the internal actions of relay, J3-1 is with closure; Combined floodgate outlet contact 7 pin of relay, 9 pin possess the action exit condition, and promptly the reclosing function drops into.When reclosing is withdrawed from a scheduling distant place, the intermediary element J2 in the relay will receive the positive supply pulse that external loop is sent here, and by the internal actions of relay, J3-1 will return; Combined floodgate outlet contact 7 pin of relay, 9 pin do not possess the action exit condition, and promptly the reclosing function withdraws from.
If on the spot/distant place selector button switches in remote location, the normal opened contact J6-1 closure in the relay then; Then the combined floodgate of relay outlet contact 7 pin, 9 pin possess the action exit condition, and promptly the reclosing function drops into.
After the breaker protection tripping operation; if relay reclosing function input and be in and treat coincidence status, make 1 pin, 3 pin of relay pay contact and get AC power by circuit breaker, sending the order of closing a floodgate after the relay internal actions; promptly closing a floodgate exports contact 7 pin and the connection of 9 pin, makes breaker closing.If breaker closing trips once more in permanent fault, because capacitor C has little time to be charged to intermediary element 1ZJ action required voltage, close a floodgate outlet contact 7 pin and 9 pin can not connected once more.
Behind the circuit breaker manual brake separating, 1 pin of relay and 3 pin all lose AC power on 1 pin and 4 pin, and intermediary element J4 and J5 return, the locking of reclosing function.
Therefore; relay described in the utility model has solved a line protection reclosing function distant place in the former conventional substation can not remote control throw the problem of moving back; under the situation that does not change original M3-A multiple switching relay performance and installation dimension; utilize the principle and the technology of the static multiple switching relay of original maturation; installed additional remote control throw move back function, on the spot/distant place selector switch, improved the level of product.
Relay inside has adopted the magnetic cylinder to keep little auxiliary relay, is not subjected to the influence of accessory power supply fault outage.After relay accessory power supply dead electricity, the distant place of relay state and a distant place is on the spot thrown the state that moves back and is all remained unchanged.After relay re-powered, the reclosing function can not withdraw from from dropping into the position mistake, also not can from withdraw from the position miscarry into.
The utility model is realized the three-phase single shot reclosing and is dispatched the remote control throwing and move back the reclosing function on transmission line.It can match with relaying protection, and the circuit breaker that is disconnected is closed a floodgate automatically again, is temporary as fault, then system restoration operation; As fault is permanent, tripping operation once more after then overlapping, and no longer overlap; And scheduling can require distant place control reclosing function according to operational mode, thereby saves workload.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (10)
1. a reclosing distant place is thrown and is moved back relay, it is characterized in that, described relay pack contains and receives and handle the reclosing input of sending from a distant place in the control room and a distant place that exits command and throw and move back module, and it further comprises:
The DC/DC transducer, it is connected with the positive-negative power ± KM of external loop respectively and carries out current conversion by 5 pin and 11 pin of relay, comes to be each circuit module power supply in the described relay;
On the spot/and distant place selector switch, comprise the normal opened contact K-1 and the normally closed contact K-2 that are connected with the output of described DC/DC transducer, for relay local operation and remote operation switch;
Two two-position relay J3, J6, wherein, the motion end S of two-position relay J6 and return terminal R are connected with normally closed contact K-2 is corresponding with described normal opened contact K-1 respectively; This two-position relay J6 is provided with two normally closed contact J6-2, J6-3, and it comes an input order of the described distant place of corresponding reception and a distant place to exit command respectively by 13 pin and 14 pin of relay;
Two intermediary element J1, J2 are connected with described normally closed contact J6-2, J6-3 respectively; The normal opened contact J1-1 of described intermediary element J1 is arranged between the output of the motion end S of described two-position relay J3 and described DC/DC transducer; The normal opened contact J2-1 of described intermediary element J2 is arranged between the output of the return terminal R of described two-position relay J3 and described DC/DC transducer.
2. a reclosing distant place is thrown and is moved back relay according to claim 1, it is characterized in that, and in the described relay,
When on the spot described/when distant place selector switch was chosen in remote location, described normally closed contact K-2 closure was returned two-position relay J6, controls normally closed contact J6-2, J6-3 closure;
At this moment, when 13 pin of relay, when receiving the described reclosing input order of sending from a distant place, described intermediary element J1 action, control normal opened contact J1-1 closure is so that two-position relay J3 adhesive, control the normal opened contact J3-1 closure of its setting, come a distant place to drop into reclosing.
3. throw as a reclosing distant place as described in the claim 2 and move back relay, it is characterized in that, in the described relay,
When on the spot described/when distant place selector switch was chosen in remote location, described normally closed contact K-2 closure was returned two-position relay J6, controls normally closed contact J6-2, J6-3 closure;
At this moment, when 14 pin of relay, receive the described reclosing that sends from a distant place when exiting command, described intermediary element J2 action, control normal opened contact J2-1 closure is so that two-position relay J3 returns, the normal opened contact J3-1 that controls its setting disconnects, and comes remote control to withdraw from reclosing.
4. throw as a reclosing distant place as described in the claim 3 and move back relay, it is characterized in that, in the described relay,
When on the spot described/distant place selector switch is selected to position on the spot, described normal opened contact K-1 closure, its normal opened contact J6-1 closure is controlled in two-position relay J6 action, enters the local operation state;
Two-position relay J6 action is also controlled its normally closed contact J6-2, J6-3 and is opened, and makes intermediary element J1, J2 dead electricity, and the state that control two-position relay J3 keeps its distant place to drop into or withdraw from moves back state until the throwing that changes reclosing by local operation.
5. throw as a reclosing distant place as described in the claim 4 and move back relay, it is characterized in that described relay also comprises charge circuit, it further comprises:
Intermediary element J5 is serially connected between 1 pin, 4 pin of relay; Described intermediary element J5 is provided with normal opened contact J5-1;
Capacitor C, it is connected with described normal opened contact J5-1 by resistance R 4, is arranged between relay 5 pin that are connected with external loop positive-negative power ± KM, 11 pin with connection; Behind outside circuit breaker closing by hand, relay 1 pin, 4 pin obtain AC power, make intermediary element J5 action, its normal opened contact J5-1 closure, capacitor C is communicated with external loop positive-negative power ± KM charges, and relay is entered treat coincidence status after charging is finished.
6. throw as a reclosing distant place as described in the claim 5 and move back relay, it is characterized in that described relay also comprises the delayed startup module, it further comprises:
Intermediary element J4 is serially connected in outside circuit breaker and pays between relay 1 pin that contact is connected, 3 pin; Described intermediary element J4 is provided with normal opened contact J4-1, J4-2, and wherein said normal opened contact J4-1 is connected in parallel on the described normal opened contact J5-1;
Time component SJ by being connected in series described normal opened contact J4-1, J4-2, is arranged between 5 pin, 11 pin of described relay; Described time component SJ is provided with the time component contact SJ-1 that often opens;
When normal opened contact J6-1 closing relay is in the local operation state, or when normal opened contact J3-1 closing relay is in the remote operation state and carries out distant place input simultaneously, by circuit breaker pay on 1 pin of contact at relay, 3 pin AC power, make intermediary element J4 action, normal opened contact J4-1, J4-2 closure are come control time element SJ action;
Intermediary element 1ZJ, it comprises voltage winding and electric current winding, and is provided with normal opened contact 1ZJ-1; Wherein, described voltage winding is connected in series with described time component contact SJ-1, behind time element SJ action and time-delay certain hour, time component contact SJ-1 closure, described voltage winding is attempted by on the capacitor C, thereby discharges to intermediary element 1ZJ, make its voltage winding action by described capacitor C.
7. throw as a reclosing distant place as described in the claim 6 and move back relay, it is characterized in that described relay also comprises the output module that sends closing pulse, it further comprises:
The normal opened contact J6-1 that described two-position relay J6 is provided with, and the normal opened contact J3-1 of described two-position relay J3 setting; After described normal opened contact J6-1, J3-1 and connecing is provided with, between 7 pin and 9 pin of described relay as the outlet contact that closes a floodgate, be connected in series with electric current winding and the normal opened contact 1ZJ-1 thereof of described intermediary element 1ZJ, and described relay 2 pin that are connected with external loop breaker closing positive pulse and connecing;
When the voltage winding of described intermediary element 1ZJ moves, its electric current winding action also keeps normal opened contact 1ZJ-1 closure, and make normal opened contact J6-1 closure at described local operation, perhaps operate in the distance and carry out a distant place to drop into and when making normal opened contact J3-1 closed, to close a floodgate exports contact 7 pin and the connection of 9 pin, and the described circuit breaker that is connected with 7 pin, 9 pin with control closes a floodgate.
8. throw as a reclosing distant place as described in the claim 7 and move back relay, it is characterized in that described relay also comprises:
Anti-jump intermediary element 2ZJ, its voltage winding and normal opened contact 2ZJ-2 serial connection is arranged between 11 pin of described relay 2 pin that are connected with external loop breaker closing positive pulse and connection external loop negative supply-KM; The normally closed contact 2ZJ-1 of anti-jump intermediary element 2ZJ is arranged between described relay 2 pin, 9 pin;
The electric current winding of described anti-jump intermediary element 2ZJ, serial connection are arranged between relay 10 pin, 12 pin in external loop breaker open operation loop, and it moves during the circuit breaker separating brake outside;
When the external loop breaker open operation, the action of the electric current winding of described anti-jump intermediary element 2ZJ, normal opened contact 2ZJ-2 closure; When described relay 2 pin have lasting positive supply, when perhaps described relay 7 pin are communicated to the electric current winding of described intermediary element 1ZJ, the voltage winding action of anti-jump intermediary element 2ZJ also keeps normal opened contact 2ZJ-2 closure, thereby normally closed contact 2ZJ-1 is returned, described relay 2 pin and 7 pin all can not be communicated with 9 pin, the external loop circuit breaker can't close a floodgate, and stops the external loop circuit breaker to continue to jump between separating brake and "on" position;
Normally closed time component contact SJ-2 is serially connected between described relay 6 pin as locking preacceleration contact, 8 pin, and disconnects when closing operation is carried out in time component SJ action;
When saltus step takes place, during instantaneous the returning in promptly described time component SJ action back, closed again after described time component contact SJ-2 disconnection and the process certain time-delay.
9. throw as a reclosing distant place as described in the claim 8 and move back relay, it is characterized in that described relay also comprises the state display module, it further comprises:
Distant place indicator light is connected with the output of described DC/DC transducer by normally closed contact J6-6, and it returns at two-position relay J6, luminous when normally closed contact J6-6 is closed, indicates receiving the reclosing input of sending from a distant place or exiting command;
Indicator light is connected with the output of described DC/DC transducer by normal opened contact J6-5 on the spot, and it is indicated entering the local operation state in two-position relay J6 action, luminous when normal opened contact J6-5 is closed;
Drop into indicator light, it is connected with the output of described DC/DC transducer by normal opened contact J3-4, and it drops into reclosing to a distant place and indicate in two-position relay J3 action, luminous when normal opened contact J3-4 is closed; Drop into indicator light, also be connected with described normal opened contact J6-5 by diode D1, luminous when normal opened contact J6-5 is closed, indicate dropping into reclosing on the spot.
10. throw as a reclosing distant place as described in the claim 9 and move back relay, it is characterized in that described state display module also comprises:
The AC power lamp, by behind the serial connection diode D3 and connect and be arranged on the described intermediary element J5, also, luminous when on its 1 pin, 3 pin or 1 pin, 4 pin AC power being arranged at described relay by behind the serial connection diode D2 and connect and be arranged on the described intermediary element J4;
The DC power supply lamp by normal opened contact J4-1, the J5-1 of described parallel connection, is arranged between relay 5 pin, 11 pin;
The locking lamp is connected with normal opened contact J4-1, J5-1 and the described capacitor C of parallel connection; When described normal opened contact J5-1 closure, when described capacitor C was charged, described DC power supply lamp, locking lamp were communicated with luminous with external loop positive-negative power ± KM respectively; Described locking lamp extinguishes after the charging of certain hour is finished, and indication has entered treats coincidence status;
Action lamp, and connect and be arranged on the time component SJ, it is by closed described normal opened contact J4-1, J4-2, is communicated with luminously with described external loop positive-negative power ± KM, and simultaneously, described locking lamp is also luminous, and the closing operation of circuit breaker is indicated; After combined floodgate was finished, described action lamp extinguished, and extinguished at the described locking lamp in certain hour charging back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201276330U CN202059141U (en) | 2011-04-27 | 2011-04-27 | Reclosing remote throwing-withdrawing relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201276330U CN202059141U (en) | 2011-04-27 | 2011-04-27 | Reclosing remote throwing-withdrawing relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202059141U true CN202059141U (en) | 2011-11-30 |
Family
ID=45019105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201276330U Expired - Fee Related CN202059141U (en) | 2011-04-27 | 2011-04-27 | Reclosing remote throwing-withdrawing relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202059141U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437545A (en) * | 2011-04-27 | 2012-05-02 | 上海市电力公司 | Reclosing remote putting on/off relay |
| CN102436971A (en) * | 2011-04-27 | 2012-05-02 | 上海市电力公司 | Remote control on-off reclosing relay |
| CN102623970A (en) * | 2012-03-22 | 2012-08-01 | 上海市电力公司 | Method for controlling remote-control switching reclosure system applicable to microcomputer protection control |
| CN102638098A (en) * | 2012-03-31 | 2012-08-15 | 上海市电力公司 | Telecontrol switching reclosing automation system |
| CN102664455A (en) * | 2012-03-31 | 2012-09-12 | 上海市电力公司 | Remote control method for remotely-controlled reclosing switching |
| CN104993448A (en) * | 2015-07-23 | 2015-10-21 | 国网天津宝坻供电有限公司 | Distribution substation low-voltage intelligent reclosing method |
| CN105024357A (en) * | 2015-07-23 | 2015-11-04 | 国网天津宝坻供电有限公司 | Low voltage intelligent switch closing system for power distribution station |
-
2011
- 2011-04-27 CN CN2011201276330U patent/CN202059141U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102437545A (en) * | 2011-04-27 | 2012-05-02 | 上海市电力公司 | Reclosing remote putting on/off relay |
| CN102436971A (en) * | 2011-04-27 | 2012-05-02 | 上海市电力公司 | Remote control on-off reclosing relay |
| CN102437545B (en) * | 2011-04-27 | 2014-04-30 | 上海市电力公司 | Reclosing remote putting on/off relay |
| CN102623970A (en) * | 2012-03-22 | 2012-08-01 | 上海市电力公司 | Method for controlling remote-control switching reclosure system applicable to microcomputer protection control |
| CN102623970B (en) * | 2012-03-22 | 2014-09-10 | 上海市电力公司 | Method for controlling remote-control switching reclosure system applicable to microcomputer protection control |
| CN102638098A (en) * | 2012-03-31 | 2012-08-15 | 上海市电力公司 | Telecontrol switching reclosing automation system |
| CN102664455A (en) * | 2012-03-31 | 2012-09-12 | 上海市电力公司 | Remote control method for remotely-controlled reclosing switching |
| CN104993448A (en) * | 2015-07-23 | 2015-10-21 | 国网天津宝坻供电有限公司 | Distribution substation low-voltage intelligent reclosing method |
| CN105024357A (en) * | 2015-07-23 | 2015-11-04 | 国网天津宝坻供电有限公司 | Low voltage intelligent switch closing system for power distribution station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202059141U (en) | Reclosing remote throwing-withdrawing relay | |
| CN106816956B (en) | Distribution automation terminal based on intelligent distributed principle | |
| CN102436971A (en) | Remote control on-off reclosing relay | |
| CN101369739A (en) | Spare power automatic switching device and method for three-segment bus two-segment switch | |
| CN104518564A (en) | Backup automatic switching apparatus with area automatic switching function, and backup automatic switching method | |
| CN102075005A (en) | Processing method for 110KV zone automatic standby power switching action on basis of EMS (Engine Management System) system | |
| CN102437545B (en) | Reclosing remote putting on/off relay | |
| CN101702539B (en) | Switch intelligent interface unit applied to digitized substation | |
| CN101262144A (en) | One-track modulus dual-power conversion switch device | |
| CN204271465U (en) | The anti-jump control loop of 10kV switch cubicle | |
| CN204029047U (en) | A kind of pre-payment control box | |
| CN104201016B (en) | A kind of pre-paying kilowatt-hour meter definite purpose circuit breaker with automatic reclosing | |
| CN201256289Y (en) | Remote controlling electric switching device for output clamping circuit | |
| CN202210493U (en) | Relay capable of remotely controlling switching-in/off reclosure | |
| CN201113386Y (en) | Full-automatic open-phase protection time-delay closing device | |
| CN203297075U (en) | Five-prevention logical control system of condensate pump frequency converter of combustion gas-steam combined set | |
| CN105006881A (en) | Automatic put and automatic recovery control system | |
| CN100466415C (en) | Method for automatic putting new type backup power source into use under PC control | |
| CN204886396U (en) | Haul oneself willingly into runback control system | |
| CN208316288U (en) | Station power source system pull-out type ABB breaker automatic control device | |
| CN207937835U (en) | Remote control stops repeating installation automatically | |
| CN203774211U (en) | Automatic closing control circuit of universal circuit breaker | |
| CN203071647U (en) | Low-voltage switch cabinet automatic input and recovery device | |
| CN201656548U (en) | Double-loop power supply manual throwing device capable of preventing electric dazzling | |
| CN204536498U (en) | Isolating switch tripping coil full working scope monitoring circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Effective date: 20121031 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121031 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Patentee after: Shanghai Electric Power Corporation Patentee after: State Grid Corporation of China Address before: 200002 Nanjing East Road, Shanghai, No. 181, No. Patentee before: Shanghai Electric Power Corporation |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20190427 |