CN110137899B - Method and device for controlling switching-on failure of induced current quick release device - Google Patents
Method and device for controlling switching-on failure of induced current quick release device Download PDFInfo
- Publication number
- CN110137899B CN110137899B CN201910353196.5A CN201910353196A CN110137899B CN 110137899 B CN110137899 B CN 110137899B CN 201910353196 A CN201910353196 A CN 201910353196A CN 110137899 B CN110137899 B CN 110137899B
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- line
- adjacent line
- induced current
- adjacent
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0092—Details of emergency protective circuit arrangements concerning the data processing means, e.g. expert systems, neural networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
Landscapes
- Engineering & Computer Science (AREA)
- Artificial Intelligence (AREA)
- Evolutionary Computation (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a method and a device for controlling the switching-on failure of an induced current quick release device, which can realize automatic cutting of an operation line according to a switching-on failure starting signal of an induced current quick release device of an adjacent power transmission line pipe gallery and the position condition of the power transmission line, avoid the risk of breakdown of pipe gallery components caused by untimely release of the induced current generated by the operation line of a fault line pipe gallery, and simultaneously bring safety guarantee for maintenance.
Description
Technical Field
The invention belongs to the field of power systems and automatic control thereof, and relates to a method and a device for controlling a switching-on failure of an induced current quick release device.
Background
The construction of the power transmission line in a double-circuit or multi-circuit mode is widely applied to practical engineering, limited power transmission corridor resources can be fully utilized, the occupied area is reduced, and the power transmission capacity of a power system is greatly improved. But in the laying process of some existing power transmission lines, the power transmission lines need to pass through tunnels and closed GIL pipe galleries because of passing through the river or the sea. When the pipe gallery section breaks down, although the line protection of pipe gallery section can jump, behind the circuit breaker three-phase jump of both sides, because the coupling effect of its electric capacity and inductance of the normal operation of another one or many return lines of power transmission line, can produce certain induced voltage in the fault line and make the fault point can have continuous induced-current, need dispose induced-current quick release or shut down the normal operation circuit and eliminate induced-current to confined pipe gallery.
The induced current quick release device generally performs current leakage through a switch of a switch-on knife switch, a fault phase switch-on failure condition may occur in the switch-on process, if a normal operation line is cut off in time, a fault phase of a fault line may be continuously provided with induced current to ablate a pipe gallery, and therefore a corresponding switch-on failure control method needs to be configured to cut off the operation line generating induced current for the fault line.
Aiming at the problem of control of the closing failure of the induction current release device, a related shutdown normal operation line is generally manually carried out according to the condition of closing, but the control cannot be completed by automatically combining the closing condition, so that the risk of equipment damage caused by the closing failure is increased.
Disclosure of Invention
Aiming at the problems, the invention provides a method and a device for controlling the switching-on failure of an induced current quick release device, which can automatically control the cutting of adjacent lines according to the switching-on failure condition of a line pipe rack, and can improve the safety of the pipe rack.
In order to achieve the technical purpose, the invention is realized by the following technical scheme: a control method for a switching failure of an induced current quick release device comprises the following steps:
collecting the position of a circuit breaker on the side of the power transmission line, and judging whether the circuit breaker is in a closed position or not;
collecting the position of a circuit breaker on the side of an adjacent line power transmission line, and judging whether the circuit breaker is in a branch position or not;
respectively collecting split-phase starting closing failure signals of the induced current quick release devices at two ends of adjacent line pipe galleries;
setting control words of 'throw-adjacent-line unilateral closing failure local line' and 'throw-adjacent-line bilateral closing failure local line' wherein the control words are set to '1' to indicate throw-in and '0' to indicate quit;
whether the condition is satisfied is judged to the phase splitting starting combined with circuit this side and adjacent line this side circuit breaker position, adjacent line piping lane both ends induced-current quick release device's phase splitting switching-on malfunction signal and control word input condition:
condition 1: the 'switching adjacent line unilateral closing failure tripping line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the separated position, and either side of the induced current quick release devices at the two ends of the adjacent line pipe gallery is provided with a separated phase starting closing failure signal;
condition 2: "throw the malfunctioning line of jumping of adjacent line both sides combined floodgate" and establish to "1", the circuit this side circuit breaker position closes the position, and adjacent line this side circuit breaker divides the position, and the induced-current quick release device both sides in adjacent spool corridor both ends are the same phase place all has the phase splitting to start the malfunctioning signal of combined floodgate.
And when the condition 1 or the condition 2 is met, the breaker tripping the local line is delayed by preset time to realize closing failure control, and the influence of induced current on the adjacent line when the adjacent line has a fault is eliminated.
Further, the method for controlling the closing failure of the induced current quick release device according to claim 1, wherein the position of the circuit breaker on the side of the power transmission line is collected to determine whether the circuit breaker is in the closed position, and when the position of the circuit breaker is at the two-point position, the opening and closing signals are TBA、TBB、TBC、HBA、HBB、HBCIf the circuit breaker is closed, the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0、HBA＝1、HBB＝1、HBC1 is ═ 1; when the position of the circuit breaker is a single-point position, the closed position of the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0。
Further, the circuit breaker position of the side of the adjacent line transmission line is collected, whether the circuit breaker position is in the branch position or not is judged, and when the circuit breaker position is in the double-point position, the branch and closing position signal is TLA、TLB、TLC、HLA、HLB、HLCIf the circuit breaker is divided into positions, the circuit breaker is judged to be TLA＝1、TLB＝1、TLC＝1、HLA＝0、HLB＝0、HLC0; when the position of the circuit breaker is a single-point position, the circuit breaker is judged to be T in a separated positionLA＝1、TLB＝1、TLC＝1。
Further, when the condition 1 or the condition 2 is met, the breaker of the local line is tripped through preset delay, the preset delay T is smaller than the time for the pipe gallery to tolerate the induced current, and the value range is 0-10 s.
The invention also discloses a control device for the switching-on failure of the induced current quick release device, which comprises the following components:
this line this side circuit breaker position acquisition judges the unit: the circuit breaker position acquisition module is used for acquiring the position of the circuit breaker on the side of the power transmission line and judging whether the circuit breaker is in a closed position or not;
the adjacent line this side circuit breaker position acquisition judges the unit: the circuit breaker position acquisition module is used for acquiring the circuit breaker position of the side of the adjacent line power transmission line and judging whether the circuit breaker position is in the branch position or not;
the adjacent line pipe gallery split-phase starting switch-on failure signal acquisition unit: the split-phase starting and closing failure signals of the induced current quick release devices at two ends of the adjacent line pipe gallery are respectively collected;
a control word setting unit: the control words are used for setting 'switching on adjacent line single-side switching-on failure local line jumping' and 'switching on adjacent line two-side switching-on failure local line jumping', when the control words are set to be '1', the switching-on is represented, and when the control words are set to be '0', the quitting is represented;
the comprehensive judgment unit is used for judging whether the conditions are met or not by combining the split-phase starting closing failure signals of the circuit local side and the adjacent line local side circuit breaker positions and the adjacent line pipe gallery two-end induced current quick release devices and the control word input conditions:
condition 1: the 'switching adjacent line unilateral closing failure tripping line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the separated position, and either side of the induced current quick release devices at the two ends of the adjacent line pipe gallery is provided with a separated phase starting closing failure signal;
condition 2: "throw the malfunctioning line of jumping of adjacent line both sides combined floodgate" and establish to "1", the circuit this side circuit breaker position closes the position, and adjacent line this side circuit breaker divides the position, and the induced-current quick release device both sides in adjacent spool corridor both ends are the same phase place all has the phase splitting to start the malfunctioning signal of combined floodgate.
And when the condition 1 or the condition 2 is met, the breaker tripping the local line is delayed by preset time to realize closing failure control, and the influence of induced current on the adjacent line when the adjacent line has a fault is eliminated.
Further, the notebookIn the side circuit breaker position acquisition and judgment unit, when the position of the circuit breaker is at the double-point position, the opening and closing position signal is TBA、TBB、TBC、HBA、HBB、HBCIf the circuit breaker is closed, the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0、HBA＝1、HBB＝1、HBC1 is ═ 1; when the position of the circuit breaker is a single-point position, the closed position of the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0。
Furthermore, in the adjacent line local side circuit breaker position acquisition and judgment unit, when the circuit breaker position is at the double-point position, the branch and closing position signal is TLA、TLB、TLC、HLA、HLB、HLCIf the circuit breaker is divided into positions, the circuit breaker is judged to be TLA＝1、TLB＝1、TLC＝1、HLA＝0、HLB＝0、HLC0; when the position of the circuit breaker is a single-point position, the circuit breaker is judged to be T in a separated positionLA＝1、TLB＝1、TLC＝1。
The invention has the beneficial effects that:
the invention can realize automatic removal of the operation line according to the starting switch-on failure signal of the induced current quick release device of the adjacent power transmission line pipe gallery and the position condition of the power transmission line, can avoid the risk of breakdown of pipe gallery components caused by untimely release of the induced current generated by the operation line in a fault line pipe gallery, ensures the safety of the pipe gallery, and simultaneously brings safety guarantee for maintenance.
Drawings
FIG. 1 is a logic diagram of a control method for a switching-on failure of an induced current quick release device according to the present invention;
FIG. 2 is a schematic diagram of a distributed implementation of a closing failure control method in an embodiment of the present invention;
fig. 3 is a schematic diagram of a control device for a closing failure of an induced current quick release device according to the present invention.
Detailed Description
The present invention will be better understood and implemented by those skilled in the art by the following detailed description of the technical solution of the present invention with reference to the accompanying drawings and specific examples, which are not intended to limit the present invention.
A specific embodiment 1 of a method for controlling a closing failure of an induced current quick release device, as shown in fig. 1, includes the following steps:
When the position of the circuit breaker is at the double-point position, the opening and closing position signals are TBA、TBB、TBC、HBA、HBB、HBCIf the circuit breaker is closed, the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0、HBA＝1、HBB＝1、HBC1 is ═ 1; when the position of the circuit breaker is a single-point position, the closed position of the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0。
And 2, acquiring the position of the circuit breaker on the side of the adjacent line power transmission line, and judging whether the circuit breaker is in the branch position.
When the position of the circuit breaker is at the double-point position, the opening and closing position signals are TLA、TLB、TLC、HLA、HLB、HLCIf the circuit breaker is divided into positions, the circuit breaker is judged to be TLA＝1、TLB＝1、TLC＝1、HLA＝0、HLB＝0、HLC0; when the position of the circuit breaker is a single-point position, the circuit breaker is judged to be T in a separated positionLA＝1、TLB＝1、TLC＝1。
And 3, respectively acquiring split-phase starting and closing failure signals of the induced current quick release devices at two ends of the adjacent line pipe gallery.
And 4, setting control words of 'single-side switching-on failure local line jumping of the switching-adjacent line' and 'double-side switching-on failure local line jumping of the switching-adjacent line', wherein the control words represent switching-in when being set to be '1', and represent exiting when being set to be '0'.
Step 5, combining the circuit position of the circuit on the local side and the adjacent line, the split-phase starting closing failure signal of the induced current quick release device at the two ends of the adjacent line pipe gallery and the control word input condition to judge whether the conditions are met:
condition 1: the 'switching adjacent line unilateral closing failure tripping line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the separated position, and either side of the induced current quick release devices at the two ends of the adjacent line pipe gallery is provided with a separated phase starting closing failure signal;
condition 2: "throw the malfunctioning line of jumping of adjacent line both sides combined floodgate" and establish to "1", the circuit this side circuit breaker position closes the position, and adjacent line this side circuit breaker divides the position, and the induced-current quick release device both sides in adjacent spool corridor both ends are the same phase place all has the phase splitting to start the malfunctioning signal of combined floodgate.
And when the condition 1 or the condition 2 is met, the breaker tripping the local line is delayed by preset time to realize closing failure control, and the influence of induced current on the adjacent line when the adjacent line has a fault is eliminated. The preset delay T is less than the induced current tolerance time of the pipe gallery and ranges from 0 to 10 seconds.
FIG. 2 is a schematic diagram of a distributed implementation of a closing failure control method in an embodiment of the present invention; an embodiment 2 of a method for controlling a closing failure of an induced current fast releasing device according to the present invention is described with reference to fig. 2. The method comprises the following steps:
As shown in fig. 2, the II loop is used as the local line of the transmission line, the I loop is used as the adjacent line, and the M side is taken as an example to collect the position of the circuit breaker on the M side, when T isBA＝0、TBB＝0、TBC＝0、HBA＝1、HBB＝1、HBCWhen the circuit breaker is equal to 1, the circuit breaker is judged to be closed.
And 2, acquiring the position of the circuit breaker on the side of the adjacent line power transmission line, and judging whether the circuit breaker is in the branch position.
The II loop is used as the local line of the transmission line, the I loop is used as the adjacent line of the transmission line, the M side is taken as an example, the position of the breaker at the M side is collected, and when the T side is used as the position of the breakerLA＝1、TLB＝1、TLC＝1、HLA＝0、HLB＝0、HLCAnd when the circuit breaker is equal to 0, judging the circuit breaker to be in a separated position.
And 3, respectively acquiring split-phase starting and closing failure signals of the induced current quick release devices at two ends of the adjacent line pipe gallery.
And the II loop serves as the local line of the power transmission line, the I loop serves as the adjacent line of the power transmission line, the M side is taken as an example, split-phase starting and closing failure signals of K, L sides of two ends of a pipeline corridor of the I loop are collected to give a control method for M-side closing failure of the II loop, and when a K, L-side split-phase starting and closing failure signal of the I loop is received, the corresponding switching value is changed into 1.
Step 4, setting control words of 'throw-adjacent-line single-side closing failure local line' and 'throw-adjacent-line two-side closing failure local line' wherein the control words are set to be '1' to indicate throw-in and are set to be '0' to indicate quit;
the loop II is used as the power transmission line main line, the loop I is used as the adjacent line, the M side is taken as an example, the M side switching failure control method sets control words of 'switching on the single side of the adjacent line to switch on the main line' and 'switching on the two sides of the adjacent line to switch on the main line', when the corresponding control word is set to be '1', the switching-on is indicated, and when the corresponding control word is set to be '0', the quitting is indicated; .
Step 5, combining the circuit position of the circuit on the local side and the adjacent line, the split-phase starting closing failure signal of the induced current quick release device at the two ends of the adjacent line pipe gallery and the control word input condition to judge whether the conditions are met:
Condition 2 mode: the II return wire is as this line of transmission line, and the I return wire is as its adjacent line, and use the M side as an example, "throw the adjacent line both sides and close the malfunctioning jump this line" and establish to "1", II return wire M side circuit breaker position closes the position, adjacent I return wire M side circuit breaker is separated a position, I return wire piping lane K end and L end device A start the malfunctioning signal of closing a floodgate mutually, then through 2s back malfunctioning actions of time delay, jump II return wire M side circuit breaker. The same principle is used when the other phase of the K end and the L end of the pipe gallery start the closing failure signal.
Fig. 3 shows an embodiment of a control device for a closing failure of an induced current quick release device according to the present invention, which includes:
this line this side circuit breaker position acquisition judges the unit: the circuit breaker position detection device is used for collecting the position of the circuit breaker on the side of the power transmission line and judging whether the circuit breaker is in a closed position. In the circuit breaker position acquisition and judgment unit at the local side of the line, when the position of the circuit breaker is at the double-point position, the opening and closing position signals are TBA、TBB、TBC、HBA、HBB、HBCIf the circuit breaker is closed, the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0、HBA＝1、HBB＝1、H BC1 is ═ 1; when the position of the circuit breaker is a single-point position, the closed position of the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0。
The adjacent line this side circuit breaker position acquisition judges the unit: the circuit breaker position detection device is used for collecting the circuit breaker position of the side of the adjacent line transmission line and judging whether the circuit breaker position is in the branch position. In the adjacent line local side circuit breaker position acquisition and judgment unit, when the circuit breaker position is at the double-point position, the opening and closing position signal is TLA、TLB、TLC、HLA、HLB、HLCIf the circuit breaker is divided into positions, the circuit breaker is judged to be TLA＝1、TLB＝1、TLC＝1、HLA＝0、HLB＝0、H LC0; when the position of the circuit breaker is a single-point position, the circuit breaker is judged to be T in a separated positionLA＝1、TLB＝1、TLC＝1。
The adjacent line pipe gallery split-phase starting switch-on failure signal acquisition unit: the split-phase starting and closing failure signal acquisition device is used for acquiring split-phase starting and closing failure signals of the induced current quick release devices at two ends of adjacent line pipe galleries respectively.
A control word setting unit: the method is used for setting control words of 'single-side switching-on failure and local line tripping of the switching-on adjacent line' and 'double-side switching-on failure and local line tripping of the switching-on adjacent line', wherein the control words are set to be '1' to indicate switching-on, and the control words are set to be '0' to indicate quitting.
The comprehensive judgment unit is used for judging whether the conditions are met or not by combining the split-phase starting closing failure signals of the circuit local side and the adjacent line local side circuit breaker positions and the adjacent line pipe gallery two-end induced current quick release devices and the control word input conditions:
condition 1: the 'switching adjacent line unilateral closing failure tripping line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the separated position, and either side of the induced current quick release devices at the two ends of the adjacent line pipe gallery is provided with a separated phase starting closing failure signal;
condition 2: "throw the malfunctioning line of jumping of adjacent line both sides combined floodgate" and establish to "1", the circuit this side circuit breaker position closes the position, and adjacent line this side circuit breaker divides the position, and the induced-current quick release device both sides in adjacent spool corridor both ends are the same phase place all has the phase splitting to start the malfunctioning signal of combined floodgate.
And when the condition 1 or the condition 2 is met, the breaker tripping the local line is delayed by preset time to realize closing failure control, and the influence of induced current on the adjacent line when the adjacent line has a fault is eliminated.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A control method for a closing failure of an induced current quick release device is characterized by comprising the following steps:
collecting the position of a circuit breaker on the side of the power transmission line, and judging whether the circuit breaker is in a closed position or not;
collecting the position of a circuit breaker on the side of an adjacent line power transmission line, and judging whether the circuit breaker is in a branch position or not;
respectively collecting split-phase starting closing failure signals of the induced current quick release devices at two ends of adjacent line pipe galleries;
setting control words of 'throw-adjacent-line unilateral closing failure local line' and 'throw-adjacent-line bilateral closing failure local line' wherein the control words are set to '1' to indicate throw-in and '0' to indicate quit;
whether the condition is satisfied is judged to the phase splitting starting combined with circuit this side and adjacent line this side circuit breaker position, adjacent line piping lane both ends induced-current quick release device's phase splitting switching-on malfunction signal and control word input condition:
condition 1: the 'switching adjacent line unilateral closing failure tripping line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the separated position, and either side of the induced current quick release devices at the two ends of the adjacent line pipe gallery is provided with a separated phase starting closing failure signal;
condition 2: the 'local line tripping for closing failures at two sides of a throw-in adjacent line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the open position, and the induced current quick release devices at two ends of the adjacent line corridor have open-phase starting closing failure signals at the same phase at two sides;
and when the condition 1 or the condition 2 is met, the breaker tripping the local line is delayed by preset time to realize closing failure control, and the influence of induced current on the adjacent line when the adjacent line has a fault is eliminated.
2. The method for controlling the closing failure of the induced current quick release device according to claim 1, wherein the position of the circuit breaker at the side of the power transmission line is collected to judge whether the circuit breaker is in the closed position, and when the position of the circuit breaker is at the two-point position, the opening and closing signals are TBA、TBB、TBC、HBA、HBB、HBCIf the circuit breaker is closed, the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0、HBA＝1、HBB＝1、HBC1 is ═ 1; when the position of the circuit breaker is a single-point position, the closed position of the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0。
3. The method for controlling the closing failure of the induced current quick release device according to claim 1, wherein the position of the circuit breaker at the side of the transmission line of the adjacent line is collected to judge whether the circuit breaker is at the open position, and when the position of the circuit breaker is at the double-point position, the open and close signals are TLA、TLB、TLC、HLA、HLB、HLCThen it is brokenThe branching unit is distinguished as TLA＝1、TLB＝1、TLC＝1、HLA＝0、HLB＝0、HLC0; when the position of the circuit breaker is a single-point position, the circuit breaker is judged to be T in a separated positionLA＝1、TLB＝1、TLC＝1。
4. The method for controlling the closing failure of the induced current quick release device according to claim 1, wherein the breaker trips through a preset delay when the condition 1 or the condition 2 is met, the preset delay T is smaller than the induced current tolerance time of the pipe rack, and the value range is 0-10 s.
5. The utility model provides an induced-current quick release device switching-on failure controlling means which characterized in that includes:
this line this side circuit breaker position acquisition judges the unit: the circuit breaker position acquisition module is used for acquiring the position of the circuit breaker on the side of the power transmission line and judging whether the circuit breaker is in a closed position or not;
the adjacent line this side circuit breaker position acquisition judges the unit: the circuit breaker position acquisition module is used for acquiring the circuit breaker position of the side of the adjacent line power transmission line and judging whether the circuit breaker position is in the branch position or not;
the adjacent line pipe gallery split-phase starting switch-on failure signal acquisition unit: the split-phase starting and closing failure signals of the induced current quick release devices at two ends of the adjacent line pipe gallery are respectively collected;
a control word setting unit: the control words are used for setting 'switching on adjacent line single-side switching-on failure local line jumping' and 'switching on adjacent line two-side switching-on failure local line jumping', when the control words are set to be '1', the switching-on is represented, and when the control words are set to be '0', the quitting is represented;
the comprehensive judgment unit is used for judging whether the conditions are met or not by combining the split-phase starting closing failure signals of the circuit local side and the adjacent line local side circuit breaker positions and the adjacent line pipe gallery two-end induced current quick release devices and the control word input conditions:
condition 1: the 'switching adjacent line unilateral closing failure tripping line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the separated position, and either side of the induced current quick release devices at the two ends of the adjacent line pipe gallery is provided with a separated phase starting closing failure signal;
condition 2: the 'local line tripping for closing failures at two sides of a throw-in adjacent line' is set to be '1', the circuit breakers at the local side of the line are in the closed position, the circuit breakers at the local side of the adjacent line are in the open position, and the induced current quick release devices at two ends of the adjacent line corridor have open-phase starting closing failure signals at the same phase at two sides;
and when the condition 1 or the condition 2 is met, the breaker tripping the local line is delayed by preset time to realize closing failure control, and the influence of induced current on the adjacent line when the adjacent line has a fault is eliminated.
6. The apparatus of claim 5, wherein in the circuit breaker position collecting and determining unit, when the circuit breaker position is at a double-point position, the on/off signal is TBA、TBB、TBC、HBA、HBB、HBCIf the circuit breaker is closed, the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0、HBA＝1、HBB＝1、HBC1 is ═ 1; when the position of the circuit breaker is a single-point position, the closed position of the circuit breaker is judged to be TBA＝0、TBB＝0、TBC＝0。
7. The apparatus of claim 5, wherein in the circuit breaker position collecting and determining unit of the local side of the adjacent line, when the circuit breaker position is at a double-point position, the on/off signal is TLA、TLB、TLC、HLA、HLB、HLCIf the circuit breaker is divided into positions, the circuit breaker is judged to be TLA＝1、TLB＝1、TLC＝1、HLA＝0、HLB＝0、HLC0; when the position of the circuit breaker is a single-point position, the circuit breaker is judged to be T in a separated positionLA＝1、TLB＝1、TLC＝1。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353196.5A CN110137899B (en) | 2019-04-29 | 2019-04-29 | Method and device for controlling switching-on failure of induced current quick release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353196.5A CN110137899B (en) | 2019-04-29 | 2019-04-29 | Method and device for controlling switching-on failure of induced current quick release device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110137899A CN110137899A (en) | 2019-08-16 |
| CN110137899B true CN110137899B (en) | 2021-02-09 |
Family
ID=67575643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353196.5A Active CN110137899B (en) | 2019-04-29 | 2019-04-29 | Method and device for controlling switching-on failure of induced current quick release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110137899B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118930B (en) * | 2019-04-29 | 2021-03-26 | 南京南瑞继保电气有限公司 | Method and device for monitoring closing failure of induced current quick release device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005094984A (en) * | 2003-09-22 | 2005-04-07 | Meidensha Corp | Protective system for distribution system |
| CN205407235U (en) * | 2016-03-02 | 2016-07-27 | 苏州热工研究院有限公司 | A protection device that is used for generator export circuit breaker malfunctioning |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2463999Y (en) * | 2000-07-18 | 2001-12-05 | 深圳市华为电气股份有限公司 | Overvoltage and overcurrent protection and warning device for main distributing frame |
| CN101813736B (en) * | 2009-04-15 | 2012-05-23 | 河南省电力公司 | Distance protection measurement method of double-circuit line on the same pole |
| CN103606908B (en) * | 2013-11-15 | 2017-01-04 | 中国能源建设集团广东省电力设计研究院有限公司 | It is applicable to the protection system of power grid integrated circuit |
-
2019
- 2019-04-29 CN CN201910353196.5A patent/CN110137899B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005094984A (en) * | 2003-09-22 | 2005-04-07 | Meidensha Corp | Protective system for distribution system |
| CN205407235U (en) * | 2016-03-02 | 2016-07-27 | 苏州热工研究院有限公司 | A protection device that is used for generator export circuit breaker malfunctioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110137899A (en) | 2019-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103595120B (en) | Many inlet wires standby electric power automatic throwing method | |
| CN104539043B (en) | A kind of automatic switching device of standby power supply system haul oneself willingly into method | |
| CN110148930B (en) | Method for fault location and automatic topology identification in power distribution network | |
| CN106058829B (en) | A kind of fault protection system for distribution system | |
| CN104901284B (en) | Distance protection equipment three-phase PT wire break detection methods and faulty action preventing method | |
| CN107947340B (en) | Power supply fast switching system and switching method thereof | |
| CN103904626A (en) | Method for automatically judging and controlling power distribution network failure in ring main unit power supply | |
| CN108539718B (en) | Rapid and remote backup protection device and protection method for transformer substation | |
| CN104993448A (en) | Distribution substation low-voltage intelligent reclosing method | |
| CN105552858A (en) | Fault processing method applying regional blocking for power distribution network | |
| CN104701825A (en) | Quick protection method applicable to intelligent distribution network | |
| CN102593798B (en) | Comprehensive relay protection method applied to intelligent switch | |
| CN113258545A (en) | In-situ feeder automation method and system based on multi-stage time step difference protection | |
| CN110137899B (en) | Method and device for controlling switching-on failure of induced current quick release device | |
| CN205811531U (en) | A kind of fault protection system for distribution system | |
| CN107994554A (en) | A kind of line fault lookup method | |
| CN108631360B (en) | Multi-machine load shedding synchronous triggering method and system for single-outlet pumped storage power station | |
| CN103066575A (en) | Control method of rapidly finding fault | |
| CN105514948A (en) | Backup automatic switching (BZT) apparatus breaker breakdown detection method and BZT apparatus | |
| CN109995010B (en) | Automatic control method and system for induced current quick release device | |
| CN110098599B (en) | Fault processing method and system for overhead line-cable hybrid line | |
| CN102931644A (en) | Regional power grid fault isolation and recovery method | |
| CN105281419A (en) | Standby power supply automatic input system and validation method thereof | |
| CN109583028B (en) | Scheduling power plant accident total signal synthesis method and system | |
| CN110118930B (en) | Method and device for monitoring closing failure of induced current quick release device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |