CN107732877A - Railway distribution substation intelligence mother protection supervisory equipment - Google Patents
Railway distribution substation intelligence mother protection supervisory equipment Download PDFInfo
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- CN107732877A CN107732877A CN201711079576.1A CN201711079576A CN107732877A CN 107732877 A CN107732877 A CN 107732877A CN 201711079576 A CN201711079576 A CN 201711079576A CN 107732877 A CN107732877 A CN 107732877A
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- logic
- signal
- inlet wire
- gate
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- 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
- H02H7/22—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 for distribution gear, e.g. bus-bar systems; for switching devices
-
- 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
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- Train Traffic Observation, Control, And Security (AREA)
Abstract
Disclosure of the invention railway distribution substation intelligence mother protection supervisory equipment, device introduce two sections of busbar voltages (Uab1, Ubc1, Uca1, Uab2, Ubc2), for having pressure, differentiating without pressure.Two sections of primary voltages (Ujx1, Ujx2) are introduced as the assistant criteria for hauling oneself willingly into preparation and action, word is can be controlled and chooses whether to use.Each service entrance switch respectively introduces a phase current (Ijx1, Ijx2), is to prevent PT three-phases from causing automatic bus to miscarry after breaking.Device introduces the position contact (TWJ) of inlet wire one, inlet wire two and bus connection switch, differentiates for system operation mode, hauls oneself willingly into preparation and hauls oneself willingly into action.Using inlet wire one hauls oneself willingly into control, control is hauled oneself willingly into progress two, mother is hauled oneself willingly into by the way of control is separately carried out and handled, independent signal divides to be handled the present invention, reaches safe and efficient processing, reduces the complex calculation of signal.
Description
Technical field
The present invention relates to backup auto-activating device power supply technique, and in particular to railway distribution substation intelligence mother protection supervisory equipment.
Background technology
Intelligentized protection device is used for intelligent substation, and this intelligentized design meets that " directly adopt, directly jump " interface will
Ask, also support that SV process-level networks receive and GOOSE network tripped mode, its analog quantity use FT3 forms or IEC 61850-
The point-to-point accesses of 9-2, switching value are accessed using GOOSE.Protection device is meeting " reliability, selectivity, sensitivity, quick-action "
On the basis of, carry out some new principles using new technology, the protective value of new features lifts work.
For railway distribution substation intelligence mother protection supervisory equipment, as shown in figure 1, generally automatic closing
Device, which sets bus, has pressure definite value with without pressure definite value, being adjusted by line voltage, rated value is defaulted as 100V.Such as need to examine primary voltage, can
By setting function control word, " the specified 100V " of primary voltage realizes that circuit rated voltage adjusts:Function control word is thought when putting into
Enter line extraction PT and be rated for 100V, inlet wire has pressure definite value with taking bus to have pressure definite value and without pressure definite value without pressure definite value;Function control
Think to be rated for 100/V into line extraction PT when word exits, circuit has pressure definite value with taking bus to have pressure definite value and without pressure without pressure definite value
0.577 times of definite value.
For railway distribution substation intelligence mother protection device:In Fig. 1, there are I buses, II bus, inlet wire one, inlet wire in figure
Two, there are three breakers, breaker 1DL, breaker 2DL, breaker 3DL, the control for three breakers, traditional skill respectively
The problem of art is complex, and the manipulation of three breakers has interference is present.
The content of the invention
Goal of the invention is to provide railway distribution substation intelligence mother protection supervisory equipment, realized to manipulating three open circuits respectively
Device, and the control to breaker 1DL, breaker 2DL, breaker 3DL is realized respectively according to three logical schemes, and control direct
It will not interfere with each other.
The present invention is achieved through the following technical solutions:
Railway distribution substation intelligence mother protection supervisory equipment, including:
Mother line signal harvester:For obtaining the voltage in mother circuit, electric current, circuit-breaker status signal, bag
Include:Voltage Uab1, Ubc1, Uca1 in I buses, voltage Uab2, Ubc2 in II bus, voltage Ujx1, the electric current of inlet wire one
Ijx1, voltage Ujx2, the electric current Ijx2 of inlet wire two, breaker 1DL, breaker 2DL, breaker 3DL jump position signal, breaker
1DL is the breaker on inlet wire one to I buses path, and breaker 2DL is the breaker on the bus of inlet wire two to II path, breaking
Device 3DL is the breaker on I buses to II bus path.
Open into recoil simulator:For opening into opening into signal to automatic bus is various.
Inlet wire two hauls oneself willingly into logic circuit:
Including input logic and door, input logic OR gate, input logic NOT gate one, input logic NOT gate two, input logic
NOT gate three, output logical AND gate, output logic sum gate, mother I is without pressure signal, II mother without pressure signal, inlet wire one without stream signal, inlet wire
Two, which haul oneself willingly into charging signals, inputs to input logic and door, picks up primary voltage throwing control word signal and inputs to input logic NOT gate
One, output signal and the inlet wire two of input logic NOT gate one have pressure signal to be input to input logic OR gate, and the locking of inlet wire one is certainly
Throwing is opened inputs to input logic NOT gate two, the output signal of input logic OR gate and the output letter of input logic NOT gate two into signal
Number also input to input logic and door, the output signal of input logic and door inputs to output logic sum gate, exports logic sum gate
Export 2 roads and jump into the action signal of line one, 1 road jumps into the action signal of line one, controls the breaker DL1 tripping operations of inlet wire one, and another 1 tunnel is jumped
The action signal of inlet wire one enters output logical AND gate, and breaker 1DL jump position signal enters output logical AND gate, the locking of inlet wire one
Haul oneself willingly into open and input logic NOT gate three is also inputed into signal, input logic NOT gate three is output to output logical AND gate, and output is patrolled
Volume close inlet wire two action signal with door output, control the breaker DL2 of inlet wire two to close, wherein mother I is without pressure signal foundation I buses
In voltage Uab1, Ubc1, Uca1 judge to obtain, II female judges to obtain without pressure signal according to voltage Uab2, Ubc2 in II bus
, inlet wire two has pressure signal to judge to obtain according to the voltage Ujx2 of inlet wire two, and inlet wire one is without electric current of the stream signal according to inlet wire one
Ijx1 judges to obtain, and picks up primary voltage throwing control word signal, the locking of inlet wire one is hauled oneself willingly into open to be used as into signal and opened into signal by outside
Open into setting and haul oneself willingly into logic circuit into recoil simulator input inlet wire two by opening, inlet wire two hauls oneself willingly into charging signals and uses inlet wire
Two haul oneself willingly into the acquisition of recharge logic decision circuit.
Inlet wire one hauls oneself willingly into logic circuit:
Including input logic and door, input logic OR gate, input logic NOT gate one, input logic NOT gate two, input logic
NOT gate three, output logical AND gate, output logic sum gate, mother I is without pressure signal, II mother without pressure signal, inlet wire two without stream signal, inlet wire
One, which hauls oneself willingly into charging signals, inputs to input logic and door, picks up primary voltage throwing control word signal and inputs to input logic NOT gate
One, output signal and the inlet wire one of input logic NOT gate one have pressure signal to be input to input logic OR gate, and the locking of inlet wire two is certainly
Throwing is opened inputs to input logic NOT gate two, the output signal of input logic OR gate and the output letter of input logic NOT gate two into signal
Number also input to input logic and door, the output signal of input logic and door inputs to output logic sum gate, exports logic sum gate
Export 2 roads and jump into the action signal of line two, 1 road jumps into the action signal of line two, controls the breaker DL2 tripping operations of inlet wire two, and another 1 tunnel is jumped
The action signal of inlet wire two enters output logical AND gate, and breaker 2DL jump position signal enters output logical AND gate, the locking of inlet wire two
Haul oneself willingly into open and input logic NOT gate three is also inputed into signal, input logic NOT gate three is output to output logical AND gate, and output is patrolled
Volume close inlet wire one action signal with door output, control the breaker DL1 of inlet wire one to close, wherein mother I is without pressure signal foundation I buses
In voltage Uab1, Ubc1, Uca1 judge to obtain, II female judges to obtain without pressure signal according to voltage Uab2, Ubc2 in II bus
, inlet wire one has pressure signal to judge to obtain according to the voltage Ujx1 of inlet wire one, and inlet wire two is without electric current of the stream signal according to inlet wire two
Ijx2 judges to obtain, and picks up primary voltage throwing control word signal, the locking of inlet wire two is hauled oneself willingly into open to be used as into signal and opened into signal by outside
Open into setting and haul oneself willingly into logic circuit into recoil simulator input inlet wire one by opening, inlet wire one hauls oneself willingly into charging signals and uses inlet wire
One hauls oneself willingly into the acquisition of recharge logic decision circuit.
Standby to throw in logic when any phase of busbar voltage, which is more than, pressure definite value, being judged to bus has pressure;When busbar voltage is small
Bus is judged to without pressure when without pressure definite value.If during normal operation, one is entered two sections of bus paired runnings of tape, and another inlet wire is made
For bright standby, hauled oneself willingly into using inlet wire.
If during normal operation, every inlet wire one section of bus of each band, two inlet wires dark standby each other, hauled oneself willingly into using mother.
Device introduces two sections of busbar voltages (Uab1, Ubc1, Uca1, Uab2, Ubc2), for having pressure, differentiating without pressure.Introduce
Two sections of primary voltages (Ujx1, Ujx2) can be controlled word and choose whether to use as the assistant criteria for hauling oneself willingly into preparation and action.Often
Individual service entrance switch respectively introduces a phase current (Ijx1, Ijx2), is to prevent PT three-phases from causing automatic bus to miscarry after breaking.
Device introduces the position contact (TWJ) of inlet wire one, inlet wire two and bus connection switch, differentiates for system operation mode,
Haul oneself willingly into preparation and haul oneself willingly into action.
In addition, device also introduces respectively, the locking of inlet wire one is hauled oneself willingly into, the locking of inlet wire two is hauled oneself willingly into 2 lockings and opened into for locking
All haul oneself willingly into.
The action process for being actually subjected to complete is hauled oneself willingly into for inlet wire two:
Inlet wire one is run, and inlet wire two is standby, i.e., 1DL, 3DL are dividing position in conjunction position, 2DL;Hinder for some reason when the power supply of inlet wire one or
Other reasons are disconnected, the alternate power autocast of inlet wire two, and only allow action once.In order to meet this requirement, design
The charging process that inlet wire two is hauled oneself willingly into, only after charging complete just allows to haul oneself willingly into.
After charging complete, without pressure, Ujx2 has pressure (" inspection primary voltage is thrown " function control word input), enters by I mother, II mother
Without stream, be delayed line one Tt1 tripping 1DL, is delayed after confirmation 1DL trippings through Th2 and closes 2DL.
If starting jump 1DL and 1DL closing position and do not disappeared, through being delayed, (inlet wire 1DL actuation times) report " loses from congenial 1DL
Lose ", and electric discharge is hauled oneself willingly into inlet wire two.
If starting conjunction 2DL and 2DL jumping position and do not disappeared, through being delayed, (inlet wire 2DL actuation times) report " caters to 2DL to lose certainly
Lose ".
The action process for being actually subjected to complete is hauled oneself willingly into for inlet wire one:
Inlet wire two is run, and inlet wire one is standby, i.e., 2DL, 3DL are dividing position in conjunction position, 1DL;Hinder for some reason when the power supply of inlet wire two or
Other reasons are disconnected, the alternate power autocast of inlet wire one, and only allow action once.In order to meet this requirement, design
The charging process that inlet wire one is hauled oneself willingly into, only after charging complete just allows to haul oneself willingly into.
After charging complete, without pressure, Ujx1 has pressure (" inspection primary voltage is thrown " control word input), inlet wire two by I mother, II mother
Without stream, be delayed Tt2 tripping 2DL, is delayed after confirmation 2DL trippings through Th1 and closes 1DL.
If starting jump 2DL and 2DL closing position and do not disappeared, through being delayed, (inlet wire 2DL actuation times) report " loses from congenial 2DL
Lose ", and electric discharge is hauled oneself willingly into inlet wire one.
If starting conjunction 1DL and 1DL jumping position and do not disappeared, through being delayed, (inlet wire 1DL actuation times) report " caters to 1DL to lose certainly
Lose ".
Also logic circuit is hauled oneself willingly into including mother:Including jump into the action logic link of line one, jump into the action logic link of line two,
Close mother and haul oneself willingly into action logic link.
Jump into the action logic link of line one:Including input logic NOT gate, input logic and door one, input logic and door two,
Logic sum gate is exported, wherein, mother I has pressure signal to be input to input logic without pressure signal, inlet wire one without stream signal, II female any line
With door one, haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, mother hauls oneself willingly into charging signals and is input to input logic and door two, enter
The locking of line one hauls oneself willingly into open is input to input logic NOT gate, output signal, input logic and the door two of input logic NOT gate into signal
Output signal be input to input logic and Men Yizhong, the output signal of input logic and door one enters output logic sum gate, defeated
Go out 2 roads of logic sum gate output and jump into the action signal of line one, the breaker DL1 that the action signal of line one control inlet wire one is jumped on 1 road is jumped
Lock, 1 road jump into the action signal of line one and haul oneself willingly into action logic link into mother is closed.
Jump into the action logic link of line two:Including input logic NOT gate, input logic and door one, input logic and door two,
Logic sum gate is exported, wherein, II mother has without pressure signal, inlet wire two without stream signal, the female any lines of I presses signal to be input to input logic
With door one, haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, mother hauls oneself willingly into charging signals and is input to input logic and door two, enter
The locking of line two hauls oneself willingly into open is input to input logic NOT gate, output signal, input logic and the door two of input logic NOT gate into signal
Output signal be input to input logic and Men Yizhong, the output signal of input logic and door one enters output logic sum gate, defeated
Go out 2 roads of logic sum gate output and jump into the action signal of line two, the breaker DL2 that the action signal of line two control inlet wire two is jumped on 1 road is jumped
Lock, 1 road jump into the action signal of line two and haul oneself willingly into action logic link into mother is closed.
Close mother and haul oneself willingly into action logic link:Including jumping into the logical AND gate of line one, jumping into the logic inverter of line one, jump into line two
Logical AND gate, the logic inverter of line two is jumped into, export logic sum gate.
Jump into the action signal of line one, the breaker 1DL jump position signal of inlet wire one enters and jumps into the logical AND gate of line one, inlet wire
One locking hauls oneself willingly into open jumps into the logic inverter of line one into signal entrance, and line one is jumped into the output signal entrance for jumping into the logic inverter of line one
Logical AND gate, the output signal for jumping into the logical AND gate of line one enter output logic sum gate.
Jump into the action signal of line two, the breaker 2DL jump position signal of inlet wire two enters and jumps into the logical AND gate of line two, inlet wire
Two lockings haul oneself willingly into open jumps into the logic inverter of line two into signal entrance, and line two is jumped into the output signal entrance for jumping into the logic inverter of line two
Logical AND gate, the output signal for jumping into the logical AND gate of line two close mother certainly into output logic sum gate, output logic sum gate output
Throw action signal, control breaker 3DL closures.
Wherein mother I has pressure to judge to obtain according to voltage Uab1, Ubc1, Uca1 in I buses without pressure signal, the female any one lines of I
, II mother has pressure to be obtained according to voltage Uab2, Ubc2 judgement in II bus without II female any one line of pressure signal, and inlet wire one is without stream
Signal judges to obtain according to the electric current Ijx1 of inlet wire one, and inlet wire two judges to obtain without stream signal according to the electric current Ijx2 of inlet wire two,
Haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, the locking of inlet wire two haul oneself willingly into open hauled oneself willingly into signal, the locking of inlet wire one open into signal make
Opened to open into signal by outside into setting and input inlet wire one by opening into recoil simulator and haul oneself willingly into logic circuit, mother, which is hauled oneself willingly into, fills
Electric signal is hauled oneself willingly into recharge logic decision circuit using mother and obtained.
Logic circuit is hauled oneself willingly into for mother, the decompression that device is provided with two ways starts mother prepared auto restart.Two inlet wires
One section of bus run of band respectively, i.e. 1DL, 2DL are dividing position in conjunction position, 3DL;When a certain incoming power hinders or other reason quilts for some reason
Disconnect, bus connection switch is closed automatically.In order that standby throw only acts once, the charging process that mother is hauled oneself willingly into is devised, is only existed
Just allow to haul oneself willingly into after charging complete.
Its action process:
1. mode 1 --- I female decompression mother is hauled oneself willingly into
After charging complete, for I mother without pressure, inlet wire one without stream, II female any line has pressure then through the Tt1 tripping 1DL that are delayed, to confirm
After 1DL trippings 3DL is closed through adjusting delay Th3.
If starting jump 1DL and 1DL closing position and do not disappeared, through being delayed, (inlet wire 1DL actuation times) report " loses from congenial 1DL
Lose ", while mother hauls oneself willingly into electric discharge.
If starting conjunction 3DL and 3DL jumping position and do not disappeared, through being delayed, (mother 3DL actuation times) report " caters to 3DL to lose certainly
Lose ".
2. mode 2 --- II female decompression mother is hauled oneself willingly into
After charging complete, for II mother without pressure, inlet wire two without stream, I female any line has the pressure then tripping 2DL after the Tt2 that is delayed, and confirms
After 2DL trippings 3DL is closed through adjusting delay Th3.
If starting jump 2DL and 2DL closing position and do not disappeared, through being delayed, (inlet wire 2DL actuation times) report " loses from congenial 2DL
Lose ", while mother hauls oneself willingly into electric discharge.
If starting conjunction 3DL and 3DL jumping position and do not disappeared, through being delayed, (mother 3DL actuation times) report " caters to 3DL to lose certainly
Lose ".
Inlet wire two hauls oneself willingly into recharge logic decision circuit:
Charge decision logic link, inlet wire two are hauled oneself willingly into including inlet wire two and hauls oneself willingly into discharge judgement logical links,
Inlet wire two, which hauls oneself willingly into charging decision logic link, includes input logic and door one, input logic NOT gate one, input logic
NOT gate two, input logic NOT gate three, input logic OR gate, input logic and door two, output logic sum gate, mother I have pressure signal, II
Mother has pressure signal to enter input logic and door one, and breaker 1DL jump position signal enters input logic NOT gate one, breaker 3DL
Jump position signal enter input logic NOT gate two, pick up primary voltage throw control word signal enter input logic NOT gate three, input is patrolled
Collect the output signal of NOT gate three, inlet wire two has pressure signal to enter input logic OR gate, the output signal of input logic OR gate, open circuit
The output signal of device 2DL jump position signal, input logic and door one enters input logic and door two, and input logic is defeated with door two
Go out signal connection and enter output logic sum gate, the output signal self-loopa for exporting logic sum gate returns to the defeated of output logic sum gate
Enter, export the output signal of logic sum gate and inlet wire two is hauled oneself willingly into after the doubling of discharge judgement logical links is handled and exported;
Inlet wire two hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 2DL and judges link, inspection primary voltage control
Word signal is with inlet wire two without pressure signal and logic judgment link, jump position unusual determination link, bus PT broken string logic judgment chains
Jump judgement link is refused on road, inlet wire one, conjunction inlet wire two hauls oneself willingly into action judgement link, hauls oneself willingly into control word exits judgement link, hauls oneself willingly into firmly
Pressing plate, which exits, to be judged link, hauls oneself willingly into soft pressing plate and exit and judge that link, the locking of inlet wire one are hauled oneself willingly into and opened into judgement link, is patrolled using output
The NOT logic for collecting jump position signal of the nor gate to 2DL judges link, inspection primary voltage control word signal and inlet wire two without pressure signal
With logic judgment link, jump position unusual determination link, bus PT broken string logic judgments link, inlet wire one refuse to jump judge link,
Close inlet wire two haul oneself willingly into action judge link, haul oneself willingly into control word exit judge link, haul oneself willingly into hard pressing plate exit judge link, haul oneself willingly into it is soft
Pressing plate, which exits, judges that link, the locking of inlet wire one haul oneself willingly into the output signal progress NOR-logic judgement opened into judgement link, final defeated
Go out inlet wire two and haul oneself willingly into charging signals.
Inlet wire two hauls oneself willingly into the charge condition of charging:
A. I mother, II mother have pressure;
B.1DL, 3DL is dividing position in conjunction position, 2DL;
C. when " inspection primary voltage is thrown " function control word input, inlet wire two has pressure (Ujx2);
Conditions above is satisfied by, the charging complete after the 15s that is delayed.
Inlet wire two hauls oneself willingly into the discharging condition of charging:
A.2DL position is being closed;
B. when " inspection primary voltage throw " function control word input and the circuit of inlet wire two is without pressure (Ujx2), it is delayed and discharges through 15s;
Or 2DL malpositions c.1DL;
D. whether bus PT broken strings (can be by function control word " PT extremely do not discharge throwings ", to from dispensing when selecting PT exceptions
Electricity);
E. inlet wire one is refused to jump;
F. inlet wire two hauls oneself willingly into action;
G. control word is hauled oneself willingly into exit;
H. hard pressing plate is hauled oneself willingly into exit;
I. soft pressing plate is hauled oneself willingly into exit;
J. there is outside block signal (locking of inlet wire one haul oneself willingly into open into).
Any of the above-described condition meets to discharge immediately.
Inlet wire one hauls oneself willingly into recharge logic decision circuit
Charge decision logic link, inlet wire one are hauled oneself willingly into including inlet wire one and hauls oneself willingly into discharge judgement logical links,
Inlet wire one, which hauls oneself willingly into charging decision logic link, includes input logic and door one, input logic NOT gate one, input logic
NOT gate two, input logic NOT gate three, input logic OR gate, input logic and door two, output logic sum gate, mother I have pressure signal, II
Mother has pressure signal to enter input logic and door one, and breaker 2DL jump position signal enters input logic NOT gate one, breaker 3DL
Jump position signal enter input logic NOT gate two, pick up primary voltage throw control word signal enter input logic NOT gate three, input is patrolled
Collect the output signal of NOT gate three, inlet wire one has pressure signal to enter input logic OR gate, the output signal of input logic OR gate, open circuit
The output signal of device 1DL jump position signal, input logic and door one enters input logic and door two, and input logic is defeated with door two
Go out signal connection and enter output logic sum gate, the output signal self-loopa for exporting logic sum gate returns to the defeated of output logic sum gate
Enter, export the output signal of logic sum gate and inlet wire one is hauled oneself willingly into after the doubling of discharge judgement logical links is handled and exported;
Inlet wire one hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 1DL and judges link, inspection primary voltage control
Word signal is with inlet wire one without pressure signal and logic judgment link, jump position unusual determination link, bus PT broken string logic judgment chains
Jump judgement link is refused on road, inlet wire two, conjunction inlet wire one hauls oneself willingly into action judgement link, hauls oneself willingly into control word exits judgement link, hauls oneself willingly into firmly
Pressing plate, which exits, to be judged link, hauls oneself willingly into soft pressing plate and exit and judge that link, the locking of inlet wire two are hauled oneself willingly into and opened into judgement link, is patrolled using output
The NOT logic for collecting jump position signal of the nor gate to 1DL judges link, inspection primary voltage control word signal and inlet wire one without pressure signal
With logic judgment link, jump position unusual determination link, bus PT broken string logic judgments link, inlet wire two refuse to jump judge link,
Close inlet wire one haul oneself willingly into action judge link, haul oneself willingly into control word exit judge link, haul oneself willingly into hard pressing plate exit judge link, haul oneself willingly into it is soft
Pressing plate, which exits, judges that link, the locking of inlet wire two haul oneself willingly into the output signal progress NOR-logic judgement opened into judgement link, final defeated
Go out inlet wire one and haul oneself willingly into charging signals.
The charge condition of charging is hauled oneself willingly into for inlet wire one:
A. I mother, II mother have pressure;
B.2DL, 3DL is dividing position in conjunction position, 1DL;
C. when " inspection primary voltage is thrown " control word input, inlet wire one has pressure;
Conditions above is satisfied by, the charging complete after 15 seconds.
Charge-discharge conditions are hauled oneself willingly into for inlet wire one:
A.1DL position is being closed;
B. when " inspection primary voltage throw " control word input and the circuit of inlet wire one is without pressure (Ujx1), it is delayed and discharges through 15s;
C. there is outside block signal (locking of inlet wire two haul oneself willingly into open into);
Or 2DL malpositions d.1DL;
E. bus PT broken strings (can by during function control word " PT extremely do not discharge throwings " selection PT exceptions whether to from dispensing
Electricity);
F. inlet wire two is refused to jump;
G. inlet wire one hauls oneself willingly into action;
H. control word is hauled oneself willingly into exit;
I. hard pressing plate is hauled oneself willingly into exit;
J. soft pressing plate is hauled oneself willingly into exit.
Any of the above-described condition meets to discharge immediately.
Mother hauls oneself willingly into that recharge logic decision circuit hauls oneself willingly into charging decision logic link including mother, mother hauls oneself willingly into discharge judgement
Logical links,
It is non-including input logic and door one, input logic NOT gate one, input logic that mother hauls oneself willingly into charging decision logic link
Door two, input logic and door two, output logic sum gate, mother I have pressure signal, II mother to have pressure signal to enter input logic and door one,
Breaker 1DL jump position signal enters input logic NOT gate one, and breaker 2DL jump position signal enters input logic NOT gate two,
It is input logic and the output signal of door one, the output signal of input logic NOT gate one, the output signal of input logic NOT gate two, disconnected
Road device 3DL jump position signal enters input logic and door two, and the output signal of input logic and door two enters output logic sum gate,
The output signal self-loopa of output logic sum gate returns to the input of output logic sum gate, exports output signal and the mother of logic sum gate
Connection exports after hauling oneself willingly into discharge judgement logical links doubling processing;
Mother hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 3DL and judges link, I, II female sentencing without pressure
Chain rupture road, jump position unusual determination link, bus PT broken string logic judgments link, switch refuse to jump judge link, close mother haul oneself willingly into it is dynamic
Judge link, haul oneself willingly into control word or soft pressing plate does not put into, hauls oneself willingly into hard pressing plate and exit and judge that link, inlet wire two or inlet wire one close
Lock, which is hauled oneself willingly into, to be opened into judgement link, judges link, I, II mother without pressure using conjunction position of the output logic nor gate to breaker 3DL
Judge that link, jump position unusual determination link, bus PT broken string logic judgments link, switch are refused to jump and judge that link, conjunction mother are hauled oneself willingly into
Action judges link, haul oneself willingly into control word or soft pressing plate does not put into, hauls oneself willingly into hard pressing plate and exit and judge link, inlet wire two or inlet wire one
The output signal progress NOR-logic judgement opened into judgement link is hauled oneself willingly into locking, and final output mother hauls oneself willingly into charging signals.
Mother hauls oneself willingly into the charge condition of electric discharge:
A. I mother, II mother have pressure;
B.1DL, 2DL closes position, and 3DL divides position;
Conditions above is satisfied by, the charging complete after 15 seconds.
Mother hauls oneself willingly into the discharging condition of electric discharge:
A.3DL position is closed;
B. I, II is female without pressure, is delayed and discharges through 15s;
C. have outside block signal (locking of inlet wire two haul oneself willingly into open into or the locking of inlet wire one haul oneself willingly into open into);
Or 2DL malpositions d.1DL;
E. bus PT broken strings (can be by whether being discharged during control word " the abnormal throwings of not discharging of PT " selection PT exceptions hauling oneself willingly into);
F. inlet wire one or inlet wire two are refused to jump;
G. mother hauls oneself willingly into action;
H. haul oneself willingly into control word or soft pressing plate is not put into;
I. hard pressing plate is hauled oneself willingly into exit.
Any of the above-described condition meets to discharge immediately.
The present invention compared with prior art, has the following advantages and advantages:
The present invention is using inlet wire one hauls oneself willingly into control, control is hauled oneself willingly into progress two, mother hauls oneself willingly into place by the way of control is separately carried out
Reason, independent signal, which divides, to be handled, and reaches safe and efficient processing, reduces the complex calculation of signal.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding inventive embodiments, forms the part of the application,
The restriction to inventive embodiments is not formed.In the accompanying drawings:
Fig. 1 is mother line construction schematic diagram.
Fig. 2 is that inlet wire two hauls oneself willingly into logic decision circuitry schematic diagram.
Fig. 3 is that inlet wire one hauls oneself willingly into logic decision circuitry schematic diagram.
Fig. 4 is that mother hauls oneself willingly into logic decision circuitry schematic diagram.
Fig. 5 is that inlet wire two hauls oneself willingly into recharge logic decision circuit.
Fig. 6 is that inlet wire one hauls oneself willingly into recharge logic decision circuit.
Fig. 7 is that mother hauls oneself willingly into recharge logic decision circuit.
Embodiment
For the purpose, technical scheme and advantage of invention are more clearly understood, with reference to embodiment and accompanying drawing, to invention
It is described in further detail, the exemplary embodiment and its explanation of invention are only used for explaining invention, are not intended as to invention
Restriction.
Embodiment 1
As shown in Fig. 1-Fig. 7, railway distribution substation intelligence mother protection supervisory equipment, including:
Mother line signal harvester:For obtaining the voltage in mother circuit, electric current, circuit-breaker status signal, bag
Include:Voltage Uab1, Ubc1, Uca1 in I buses, voltage Uab2, Ubc2 in II bus, voltage Ujx1, the electric current of inlet wire one
Ijx1, voltage Ujx2, the electric current Ijx2 of inlet wire two, breaker 1DL, breaker 2DL, breaker 3DL jump position signal, breaker
1DL is the breaker on inlet wire one to I buses path, and breaker 2DL is the breaker on the bus of inlet wire two to II path, breaking
Device 3DL is the breaker on I buses to II bus path.
Open into recoil simulator:For opening into opening into signal to automatic bus is various.
Inlet wire two hauls oneself willingly into logic circuit:
Including input logic and door, input logic OR gate, input logic NOT gate one, input logic NOT gate two, input logic
NOT gate three, output logical AND gate, output logic sum gate, mother I is without pressure signal, II mother without pressure signal, inlet wire one without stream signal, inlet wire
Two, which haul oneself willingly into charging signals, inputs to input logic and door, picks up primary voltage throwing control word signal and inputs to input logic NOT gate
One, output signal and the inlet wire two of input logic NOT gate one have pressure signal to be input to input logic OR gate, and the locking of inlet wire one is certainly
Throwing is opened inputs to input logic NOT gate two, the output signal of input logic OR gate and the output letter of input logic NOT gate two into signal
Number also input to input logic and door, the output signal of input logic and door inputs to output logic sum gate, exports logic sum gate
Export 2 roads and jump into the action signal of line one, 1 road jumps into the action signal of line one, controls the breaker DL1 tripping operations of inlet wire one, and another 1 tunnel is jumped
The action signal of inlet wire one enters output logical AND gate, and breaker 1DL jump position signal enters output logical AND gate, the locking of inlet wire one
Haul oneself willingly into open and input logic NOT gate three is also inputed into signal, input logic NOT gate three is output to output logical AND gate, and output is patrolled
Volume close inlet wire two action signal with door output, control the breaker DL2 of inlet wire two to close, wherein mother I is without pressure signal foundation I buses
In voltage Uab1, Ubc1, Uca1 judge to obtain, II female judges to obtain without pressure signal according to voltage Uab2, Ubc2 in II bus
, inlet wire two has pressure signal to judge to obtain according to the voltage Ujx2 of inlet wire two, and inlet wire one is without electric current of the stream signal according to inlet wire one
Ijx1 judges to obtain, and picks up primary voltage throwing control word signal, the locking of inlet wire one is hauled oneself willingly into open to be used as into signal and opened into signal by outside
Open into setting and haul oneself willingly into logic circuit into recoil simulator input inlet wire two by opening, inlet wire two hauls oneself willingly into charging signals and uses inlet wire
Two haul oneself willingly into the acquisition of recharge logic decision circuit;
Inlet wire one hauls oneself willingly into logic circuit:
Including input logic and door, input logic OR gate, input logic NOT gate one, input logic NOT gate two, input logic
NOT gate three, output logical AND gate, output logic sum gate, mother I is without pressure signal, II mother without pressure signal, inlet wire two without stream signal, inlet wire
One, which hauls oneself willingly into charging signals, inputs to input logic and door, picks up primary voltage throwing control word signal and inputs to input logic NOT gate
One, output signal and the inlet wire one of input logic NOT gate one have pressure signal to be input to input logic OR gate, and the locking of inlet wire two is certainly
Throwing is opened inputs to input logic NOT gate two, the output signal of input logic OR gate and the output letter of input logic NOT gate two into signal
Number also input to input logic and door, the output signal of input logic and door inputs to output logic sum gate, exports logic sum gate
Export 2 roads and jump into the action signal of line two, 1 road jumps into the action signal of line two, controls the breaker DL2 tripping operations of inlet wire two, and another 1 tunnel is jumped
The action signal of inlet wire two enters output logical AND gate, and breaker 2DL jump position signal enters output logical AND gate, the locking of inlet wire two
Haul oneself willingly into open and input logic NOT gate three is also inputed into signal, input logic NOT gate three is output to output logical AND gate, and output is patrolled
Volume close inlet wire one action signal with door output, control the breaker DL1 of inlet wire one to close, wherein mother I is without pressure signal foundation I buses
In voltage Uab1, Ubc1, Uca1 judge to obtain, II female judges to obtain without pressure signal according to voltage Uab2, Ubc2 in II bus
, inlet wire one has pressure signal to judge to obtain according to the voltage Ujx1 of inlet wire one, and inlet wire two is without electric current of the stream signal according to inlet wire two
Ijx2 judges to obtain, and picks up primary voltage throwing control word signal, the locking of inlet wire two is hauled oneself willingly into open to be used as into signal and opened into signal by outside
Open into setting and haul oneself willingly into logic circuit into recoil simulator input inlet wire one by opening, inlet wire one hauls oneself willingly into charging signals and uses inlet wire
One hauls oneself willingly into the acquisition of recharge logic decision circuit.
Standby to throw in logic when any phase of busbar voltage, which is more than, pressure definite value, being judged to bus has pressure;When busbar voltage is small
Bus is judged to without pressure when without pressure definite value.If during normal operation, one is entered two sections of bus paired runnings of tape, and another inlet wire is made
For bright standby, hauled oneself willingly into using inlet wire.
If during normal operation, every inlet wire one section of bus of each band, two inlet wires dark standby each other, hauled oneself willingly into using mother.
Device introduces two sections of busbar voltages (Uab1, Ubc1, Uca1, Uab2, Ubc2), for having pressure, differentiating without pressure.Introduce
Two sections of primary voltages (Ujx1, Ujx2) can be controlled word and choose whether to use as the assistant criteria for hauling oneself willingly into preparation and action.Often
Individual service entrance switch respectively introduces a phase current (Ijx1, Ijx2), is to prevent PT three-phases from causing automatic bus to miscarry after breaking.
Device introduces the position contact (TWJ) of inlet wire one, inlet wire two and bus connection switch, differentiates for system operation mode,
Haul oneself willingly into preparation and haul oneself willingly into action.
In addition, device also introduces respectively, the locking of inlet wire one is hauled oneself willingly into, the locking of inlet wire two is hauled oneself willingly into 2 lockings and opened into for locking
All haul oneself willingly into.
The action process for being actually subjected to complete is hauled oneself willingly into for inlet wire two:
Inlet wire one is run, and inlet wire two is standby, i.e., 1DL, 3DL are dividing position in conjunction position, 2DL;Hinder for some reason when the power supply of inlet wire one or
Other reasons are disconnected, the alternate power autocast of inlet wire two, and only allow action once.In order to meet this requirement, design
The charging process that inlet wire two is hauled oneself willingly into, only after charging complete just allows to haul oneself willingly into.
After charging complete, without pressure, Ujx2 has pressure (" inspection primary voltage is thrown " function control word input), enters by I mother, II mother
Without stream, be delayed line one Tt1 tripping 1DL, is delayed after confirmation 1DL trippings through Th2 and closes 2DL;
If starting jump 1DL and 1DL closing position and do not disappeared, through being delayed, (inlet wire 1DL actuation times) report " loses from congenial 1DL
Lose ", and electric discharge is hauled oneself willingly into inlet wire two.
If starting conjunction 2DL and 2DL jumping position and do not disappeared, through being delayed, (inlet wire 2DL actuation times) report " caters to 2DL to lose certainly
Lose ".
The action process for being actually subjected to complete is hauled oneself willingly into for inlet wire one:
Inlet wire two is run, and inlet wire one is standby, i.e., 2DL, 3DL are dividing position in conjunction position, 1DL;Hinder for some reason when the power supply of inlet wire two or
Other reasons are disconnected, the alternate power autocast of inlet wire one, and only allow action once.In order to meet this requirement, design
The charging process that inlet wire one is hauled oneself willingly into, only after charging complete just allows to haul oneself willingly into.
After charging complete, without pressure, Ujx1 has pressure (" inspection primary voltage is thrown " control word input), inlet wire two by I mother, II mother
Without stream, be delayed Tt2 tripping 2DL, is delayed after confirmation 2DL trippings through Th1 and closes 1DL;
If starting jump 2DL and 2DL closing position and do not disappeared, through being delayed, (inlet wire 2DL actuation times) report " loses from congenial 2DL
Lose ", and electric discharge is hauled oneself willingly into inlet wire one.
If starting conjunction 1DL and 1DL jumping position and do not disappeared, through being delayed, (inlet wire 1DL actuation times) report " caters to 1DL to lose certainly
Lose ".
Also logic circuit is hauled oneself willingly into including mother:Including jump into the action logic link of line one, jump into the action logic link of line two,
Close mother and haul oneself willingly into action logic link,
Jump into the action logic link of line one:Including input logic NOT gate, input logic and door one, input logic and door two,
Logic sum gate is exported, wherein, mother I has pressure signal to be input to input logic without pressure signal, inlet wire one without stream signal, II female any line
With door one, haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, mother hauls oneself willingly into charging signals and is input to input logic and door two, enter
The locking of line one hauls oneself willingly into open is input to input logic NOT gate, output signal, input logic and the door two of input logic NOT gate into signal
Output signal be input to input logic and Men Yizhong, the output signal of input logic and door one enters output logic sum gate, defeated
Go out 2 roads of logic sum gate output and jump into the action signal of line one, the breaker DL1 that the action signal of line one control inlet wire one is jumped on 1 road is jumped
Lock, 1 road jump into the action signal of line one and haul oneself willingly into action logic link into mother is closed.
Jump into the action logic link of line two:Including input logic NOT gate, input logic and door one, input logic and door two,
Logic sum gate is exported, wherein, II mother has without pressure signal, inlet wire two without stream signal, the female any lines of I presses signal to be input to input logic
With door one, haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, mother hauls oneself willingly into charging signals and is input to input logic and door two, enter
The locking of line two hauls oneself willingly into open is input to input logic NOT gate, output signal, input logic and the door two of input logic NOT gate into signal
Output signal be input to input logic and Men Yizhong, the output signal of input logic and door one enters output logic sum gate, defeated
Go out 2 roads of logic sum gate output and jump into the action signal of line two, the breaker DL2 that the action signal of line two control inlet wire two is jumped on 1 road is jumped
Lock, 1 road jump into the action signal of line two and haul oneself willingly into action logic link into mother is closed.
Close mother and haul oneself willingly into action logic link:Including jumping into the logical AND gate of line one, jumping into the logic inverter of line one, jump into line two
Logical AND gate, the logic inverter of line two is jumped into, export logic sum gate.
Jump into the action signal of line one, the breaker 1DL jump position signal of inlet wire one enters and jumps into the logical AND gate of line one, inlet wire
One locking hauls oneself willingly into open jumps into the logic inverter of line one into signal entrance, and line one is jumped into the output signal entrance for jumping into the logic inverter of line one
Logical AND gate, the output signal for jumping into the logical AND gate of line one enter output logic sum gate.
Jump into the action signal of line two, the breaker 2DL jump position signal of inlet wire two enters and jumps into the logical AND gate of line two, inlet wire
Two lockings haul oneself willingly into open jumps into the logic inverter of line two into signal entrance, and line two is jumped into the output signal entrance for jumping into the logic inverter of line two
Logical AND gate, the output signal for jumping into the logical AND gate of line two close mother certainly into output logic sum gate, output logic sum gate output
Throw action signal, control breaker 3DL closures.
Wherein mother I has pressure to judge to obtain according to voltage Uab1, Ubc1, Uca1 in I buses without pressure signal, the female any one lines of I
, II mother has pressure to be obtained according to voltage Uab2, Ubc2 judgement in II bus without II female any one line of pressure signal, and inlet wire one is without stream
Signal judges to obtain according to the electric current Ijx1 of inlet wire one, and inlet wire two judges to obtain without stream signal according to the electric current Ijx2 of inlet wire two,
Haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, the locking of inlet wire two haul oneself willingly into open hauled oneself willingly into signal, the locking of inlet wire one open into signal make
Opened to open into signal by outside into setting and input inlet wire one by opening into recoil simulator and haul oneself willingly into logic circuit, mother, which is hauled oneself willingly into, fills
Electric signal is hauled oneself willingly into recharge logic decision circuit using mother and obtained.
Logic circuit is hauled oneself willingly into for mother, the decompression that device is provided with two ways starts mother prepared auto restart.Two inlet wires
One section of bus run of band respectively, i.e. 1DL, 2DL are dividing position in conjunction position, 3DL;When a certain incoming power hinders or other reason quilts for some reason
Disconnect, bus connection switch is closed automatically.In order that standby throw only acts once, the charging process that mother is hauled oneself willingly into is devised, is only existed
Just allow to haul oneself willingly into after charging complete.
Its action process:
1. mode 1 --- I female decompression mother is hauled oneself willingly into
After charging complete, for I mother without pressure, inlet wire one without stream, II female any line has pressure then through the Tt1 tripping 1DL that are delayed, to confirm
After 1DL trippings 3DL is closed through adjusting delay Th3.
If starting jump 1DL and 1DL closing position and do not disappeared, through being delayed, (inlet wire 1DL actuation times) report " loses from congenial 1DL
Lose ", while mother hauls oneself willingly into electric discharge.
If starting conjunction 3DL and 3DL jumping position and do not disappeared, through being delayed, (mother 3DL actuation times) report " caters to 3DL to lose certainly
Lose ".
2. mode 2 --- II female decompression mother is hauled oneself willingly into
After charging complete, for II mother without pressure, inlet wire two without stream, I female any line has the pressure then tripping 2DL after the Tt2 that is delayed, and confirms
After 2DL trippings 3DL is closed through adjusting delay Th3.
If starting jump 2DL and 2DL closing position and do not disappeared, through being delayed, (inlet wire 2DL actuation times) report " loses from congenial 2DL
Lose ", while mother hauls oneself willingly into electric discharge.
If starting conjunction 3DL and 3DL jumping position and do not disappeared, through being delayed, (mother 3DL actuation times) report " caters to 3DL to lose certainly
Lose ".
Inlet wire two hauls oneself willingly into recharge logic decision circuit:
Charging decision logic link is hauled oneself willingly into including inlet wire two, inlet wire two hauls oneself willingly into discharge judgement logical links.
Inlet wire two, which hauls oneself willingly into charging decision logic link, includes input logic and door one, input logic NOT gate one, input logic
NOT gate two, input logic NOT gate three, input logic OR gate, input logic and door two, output logic sum gate, mother I have pressure signal, II
Mother has pressure signal to enter input logic and door one, and breaker 1DL jump position signal enters input logic NOT gate one, breaker 3DL
Jump position signal enter input logic NOT gate two, pick up primary voltage throw control word signal enter input logic NOT gate three, input is patrolled
Collect the output signal of NOT gate three, inlet wire two has pressure signal to enter input logic OR gate, the output signal of input logic OR gate, open circuit
The output signal of device 2DL jump position signal, input logic and door one enters input logic and door two, and input logic is defeated with door two
Go out signal connection and enter output logic sum gate, the output signal self-loopa for exporting logic sum gate returns to the defeated of output logic sum gate
Enter, export the output signal of logic sum gate and inlet wire two is hauled oneself willingly into after the doubling of discharge judgement logical links is handled and exported.
Inlet wire two hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 2DL and judges link, inspection primary voltage control
Word signal is with inlet wire two without pressure signal and logic judgment link, jump position unusual determination link, bus PT broken string logic judgment chains
Jump judgement link is refused on road, inlet wire one, conjunction inlet wire two hauls oneself willingly into action judgement link, hauls oneself willingly into control word exits judgement link, hauls oneself willingly into firmly
Pressing plate, which exits, to be judged link, hauls oneself willingly into soft pressing plate and exit and judge that link, the locking of inlet wire one are hauled oneself willingly into and opened into judgement link, is patrolled using output
The NOT logic for collecting jump position signal of the nor gate to 2DL judges link, inspection primary voltage control word signal and inlet wire two without pressure signal
With logic judgment link, jump position unusual determination link, bus PT broken string logic judgments link, inlet wire one refuse to jump judge link,
Close inlet wire two haul oneself willingly into action judge link, haul oneself willingly into control word exit judge link, haul oneself willingly into hard pressing plate exit judge link, haul oneself willingly into it is soft
Pressing plate, which exits, judges that link, the locking of inlet wire one haul oneself willingly into the output signal progress NOR-logic judgement opened into judgement link, final defeated
Go out inlet wire two and haul oneself willingly into charging signals.
Inlet wire two hauls oneself willingly into the charge condition of charging:
A. I mother, II mother have pressure;
B.1DL, 3DL is dividing position in conjunction position, 2DL;
C. when " inspection primary voltage is thrown " function control word input, inlet wire two has pressure (Ujx2);
Conditions above is satisfied by, the charging complete after the 15s that is delayed.
Inlet wire two hauls oneself willingly into the discharging condition of charging:
A.2DL position is being closed;
B. when " inspection primary voltage throw " function control word input and the circuit of inlet wire two is without pressure (Ujx2), it is delayed and discharges through 15s;
Or 2DL malpositions c.1DL;
D. whether bus PT broken strings (can be by function control word " PT extremely do not discharge throwings ", to from dispensing when selecting PT exceptions
Electricity);
E. inlet wire one is refused to jump;
F. inlet wire two hauls oneself willingly into action;
G. control word is hauled oneself willingly into exit;
H. hard pressing plate is hauled oneself willingly into exit;
I. soft pressing plate is hauled oneself willingly into exit;
J. there is outside block signal (locking of inlet wire one haul oneself willingly into open into).
Any of the above-described condition meets to discharge immediately.
Inlet wire one hauls oneself willingly into recharge logic decision circuit:Charging decision logic link is hauled oneself willingly into including inlet wire one, inlet wire one is hauled oneself willingly into
Discharge judgement logical links.
Inlet wire one, which hauls oneself willingly into charging decision logic link, includes input logic and door one, input logic NOT gate one, input logic
NOT gate two, input logic NOT gate three, input logic OR gate, input logic and door two, output logic sum gate, mother I have pressure signal, II
Mother has pressure signal to enter input logic and door one, and breaker 2DL jump position signal enters input logic NOT gate one, breaker 3DL
Jump position signal enter input logic NOT gate two, pick up primary voltage throw control word signal enter input logic NOT gate three, input is patrolled
Collect the output signal of NOT gate three, inlet wire one has pressure signal to enter input logic OR gate, the output signal of input logic OR gate, open circuit
The output signal of device 1DL jump position signal, input logic and door one enters input logic and door two, and input logic is defeated with door two
Go out signal connection and enter output logic sum gate, the output signal self-loopa for exporting logic sum gate returns to the defeated of output logic sum gate
Enter, export the output signal of logic sum gate and inlet wire one is hauled oneself willingly into after the doubling of discharge judgement logical links is handled and exported.
Inlet wire one hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 1DL and judges link, inspection primary voltage control
Word signal is with inlet wire one without pressure signal and logic judgment link, jump position unusual determination link, bus PT broken string logic judgment chains
Jump judgement link is refused on road, inlet wire two, conjunction inlet wire one hauls oneself willingly into action judgement link, hauls oneself willingly into control word exits judgement link, hauls oneself willingly into firmly
Pressing plate, which exits, to be judged link, hauls oneself willingly into soft pressing plate and exit and judge that link, the locking of inlet wire two are hauled oneself willingly into and opened into judgement link, is patrolled using output
The NOT logic for collecting jump position signal of the nor gate to 1DL judges link, inspection primary voltage control word signal and inlet wire one without pressure signal
With logic judgment link, jump position unusual determination link, bus PT broken string logic judgments link, inlet wire two refuse to jump judge link,
Close inlet wire one haul oneself willingly into action judge link, haul oneself willingly into control word exit judge link, haul oneself willingly into hard pressing plate exit judge link, haul oneself willingly into it is soft
Pressing plate, which exits, judges that link, the locking of inlet wire two haul oneself willingly into the output signal progress NOR-logic judgement opened into judgement link, final defeated
Go out inlet wire one and haul oneself willingly into charging signals.
The charge condition of charging is hauled oneself willingly into for inlet wire one:
A. I mother, II mother have pressure;
B.2DL, 3DL is dividing position in conjunction position, 1DL;
C. when " inspection primary voltage is thrown " control word input, inlet wire one has pressure;
Conditions above is satisfied by, the charging complete after 15 seconds.
Charge-discharge conditions are hauled oneself willingly into for inlet wire one:
A.1DL position is being closed;
B. when " inspection primary voltage throw " control word input and the circuit of inlet wire one is without pressure (Ujx1), it is delayed and discharges through 15s;
C. there is outside block signal (locking of inlet wire two haul oneself willingly into open into);
Or 2DL malpositions d.1DL;
E. bus PT broken strings (can by during function control word " PT extremely do not discharge throwings " selection PT exceptions whether to from dispensing
Electricity);
F. inlet wire two is refused to jump;
G. inlet wire one hauls oneself willingly into action;
H. control word is hauled oneself willingly into exit;
I. hard pressing plate is hauled oneself willingly into exit;
J. soft pressing plate is hauled oneself willingly into exit.
Any of the above-described condition meets to discharge immediately.
Mother hauls oneself willingly into that recharge logic decision circuit hauls oneself willingly into charging decision logic link including mother, mother hauls oneself willingly into discharge judgement
Logical links,
It is non-including input logic and door one, input logic NOT gate one, input logic that mother hauls oneself willingly into charging decision logic link
Door two, input logic and door two, output logic sum gate, mother I have pressure signal, II mother to have pressure signal to enter input logic and door one,
Breaker 1DL jump position signal enters input logic NOT gate one, and breaker 2DL jump position signal enters input logic NOT gate two,
It is input logic and the output signal of door one, the output signal of input logic NOT gate one, the output signal of input logic NOT gate two, disconnected
Road device 3DL jump position signal enters input logic and door two, and the output signal of input logic and door two enters output logic sum gate,
The output signal self-loopa of output logic sum gate returns to the input of output logic sum gate, exports output signal and the mother of logic sum gate
Connection exports after hauling oneself willingly into discharge judgement logical links doubling processing.
Mother hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 3DL and judges link, I, II female sentencing without pressure
Chain rupture road, jump position unusual determination link, bus PT broken string logic judgments link, switch refuse to jump judge link, close mother haul oneself willingly into it is dynamic
Judge link, haul oneself willingly into control word or soft pressing plate does not put into, hauls oneself willingly into hard pressing plate and exit and judge that link, inlet wire two or inlet wire one close
Lock, which is hauled oneself willingly into, to be opened into judgement link, judges link, I, II mother without pressure using conjunction position of the output logic nor gate to breaker 3DL
Judge that link, jump position unusual determination link, bus PT broken string logic judgments link, switch are refused to jump and judge that link, conjunction mother are hauled oneself willingly into
Action judges link, haul oneself willingly into control word or soft pressing plate does not put into, hauls oneself willingly into hard pressing plate and exit and judge link, inlet wire two or inlet wire one
The output signal progress NOR-logic judgement opened into judgement link is hauled oneself willingly into locking, and final output mother hauls oneself willingly into charging signals.
Mother hauls oneself willingly into the charge condition of electric discharge:
A. I mother, II mother have pressure;
B.1DL, 2DL closes position, and 3DL divides position;
Conditions above is satisfied by, the charging complete after 15 seconds.
Mother hauls oneself willingly into the discharging condition of electric discharge:
A.3DL position is closed;
B. I, II is female without pressure, is delayed and discharges through 15s;
C. have outside block signal (locking of inlet wire two haul oneself willingly into open into or the locking of inlet wire one haul oneself willingly into open into);
Or 2DL malpositions d.1DL;
E. bus PT broken strings (can be by whether being discharged during control word " the abnormal throwings of not discharging of PT " selection PT exceptions hauling oneself willingly into);
F. inlet wire one or inlet wire two are refused to jump;
G. mother hauls oneself willingly into action;
H. haul oneself willingly into control word or soft pressing plate is not put into;
I. hard pressing plate is hauled oneself willingly into exit.
Any of the above-described condition meets to discharge immediately.
The present invention also gathers " VLD " visualization tool, and software reliability is high.Possess offline logical simulation function, can be real
Existing crash analysis " transparence ".Device uses totally-enclosed cabinet, and strong and weak electricity is strictly separated, strong antijamming capability, hardware-in-the-loop
Comprehensive self-test.2 Ethernet interfaces are configured, support the communication protocols of IEC 61850 and the stipulations of TCP 103.Pair when mode support SNTP
Pair when, B codes pair when, GPS pulse pair when.Perfect event recording function, newest 80 logouts, 100 actions can be stored
Record.Friendly man-machine interface, complete Chinese class Windows menu modes are clear in structure, easy to use.Defencive function, which is matched somebody with somebody, to be prepared
Entirely, the apolegamy of defencive function can be realized by configuration tool, meets the individual demand of client.Operation circuit configuration is flexible, can
To adapt to various operating mechanisms.
In addition, this intelligentized protection device, has the advantage that:
Logic development visualizes:Based on the visual logic development environment (VLD) of its exploitation, while use layering, divide mould
The design philosophy of block, defencive function is realized and divided by data processing, element calculating, relay protective scheme, outlet logic etc..Protect
Logic is protected to form by rudimentary algorithm, logic functional element or component.
Crash analysis transparence:By layering, modularization, the design of element, component-level, module are realized inside device
Level, bus level three-level monitoring point, transparence accident point can be passed through after generation accident with the data of any one point of monitoring arrangement inside
Analysis instrument, failure can fast and accurately be positioned.Device hardware is provided with massive store chip, can record once event
Hinder the action situation of each element inside total process protective, reach the whole playback of accident waveform and reproduce.
The status monitoring of Life cycle:Protection device has comprehensive software and hardware self-test and safeguard function, is filled in protection
The self-test work of each component on CPU card is periodically carried out in the operation put, monitors the working condition of power insert in real time, and
When will send monitoring system in various self-test information.
Reliable interference protection measure:The method that protection device is combined by time domain identification and frequency-domain analysis can be effective
Avoid interference of the abnormal data to protection caused by acquisition circuit irregular working.
Above-described embodiment, to the purpose of invention, technical scheme and beneficial effect inlet wire further in detail
Describe in detail bright, should be understood that the embodiment that the foregoing is only invention, be not used to limit the protection of invention
Scope, it is all within the spirit and principle of invention, any modification, equivalent substitution and improvements done etc., it should be included in invention
Within protection domain.
Claims (5)
1. railway distribution substation intelligence mother protection supervisory equipment, it is characterised in that including:
Mother line signal harvester:For obtaining the voltage in mother circuit, electric current, circuit-breaker status signal, including:I
Voltage Uab1, Ubc1, Uca1 in bus, voltage Uab2, Ubc2 in II bus, voltage Ujx1, the electric current Ijx1 of inlet wire one,
Voltage Ujx2, the electric current Ijx2 of inlet wire two, breaker 1DL, breaker 2DL, breaker 3DL jump position signal, breaker 1DL are
Breaker on inlet wire one to I buses path, breaker 2DL be the bus of inlet wire two to II path on breaker, breaker 3DL
For the breaker on I buses to II bus path;
Open into recoil simulator:For opening into opening into signal to automatic bus is various;
Inlet wire two hauls oneself willingly into logic circuit:
Including input logic and door, input logic OR gate, input logic NOT gate one, input logic NOT gate two, input logic NOT gate
3rd, export logical AND gate, output logic sum gate, mother I without pressure signal, II it is female without pressure signal, inlet wire one without stream signal, inlet wire two from
Throw charging signals and input to input logic and door, pick up primary voltage throwing control word signal and input to input logic NOT gate one, it is defeated
Enter the output signal of logic inverter one and inlet wire two have pressure signal to be input to input logic OR gate, the locking of inlet wire one haul oneself willingly into open into
Signal inputs to input logic NOT gate two, and the output signal of input logic OR gate and the output signal of input logic NOT gate two are also defeated
Enter to input logic and door, the output signal of input logic and door inputs to output logic sum gate, and output logic sum gate exports 2 tunnels
The action signal of line one is jumped into, 1 road jumps into the action signal of line one, controls the breaker DL1 tripping operations of inlet wire one, and line one is jumped on another 1 road
Action signal enters output logical AND gate, and breaker 1DL jump position signal enters output logical AND gate, and the locking of inlet wire one is hauled oneself willingly into out
Enter signal and also input to input logic NOT gate three, input logic NOT gate three is output to output logical AND gate, exports logical AND gate
Output conjunction inlet wire two action signal, the breaker DL2 closures for controlling inlet wire two, wherein mother I are without pressure signal according to the electricity in I buses
Uab1, Ubc1, Uca1 is pressed to judge to obtain, II mother judges to obtain without pressure signal according to voltage Uab2, Ubc2 in II bus, inlet wire
Two have pressure signal to judge to obtain according to the voltage Ujx2 of inlet wire two, and inlet wire one judges without electric current Ijx1 of the stream signal according to inlet wire one
Obtain, pick up primary voltage throw control word signal, the locking of inlet wire one haul oneself willingly into open into signal as open into signal by outside open into setting,
And logic circuit is hauled oneself willingly into recoil simulator input inlet wire two by opening, inlet wire two hauls oneself willingly into charging signals and hauls oneself willingly into charging using inlet wire two
Logic decision circuitry obtains;
Inlet wire one hauls oneself willingly into logic circuit:
Including input logic and door, input logic OR gate, input logic NOT gate one, input logic NOT gate two, input logic NOT gate
3rd, export logical AND gate, output logic sum gate, mother I without pressure signal, II it is female without pressure signal, inlet wire two without stream signal, inlet wire one from
Throw charging signals and input to input logic and door, pick up primary voltage throwing control word signal and input to input logic NOT gate one, it is defeated
Enter the output signal of logic inverter one and inlet wire one have pressure signal to be input to input logic OR gate, the locking of inlet wire two haul oneself willingly into open into
Signal inputs to input logic NOT gate two, and the output signal of input logic OR gate and the output signal of input logic NOT gate two are also defeated
Enter to input logic and door, the output signal of input logic and door inputs to output logic sum gate, and output logic sum gate exports 2 tunnels
The action signal of line two is jumped into, 1 road jumps into the action signal of line two, controls the breaker DL2 tripping operations of inlet wire two, and line two is jumped on another 1 road
Action signal enters output logical AND gate, and breaker 2DL jump position signal enters output logical AND gate, and the locking of inlet wire two is hauled oneself willingly into out
Enter signal and also input to input logic NOT gate three, input logic NOT gate three is output to output logical AND gate, exports logical AND gate
Output conjunction inlet wire one action signal, the breaker DL1 closures for controlling inlet wire one, wherein mother I are without pressure signal according to the electricity in I buses
Uab1, Ubc1, Uca1 is pressed to judge to obtain, II mother judges to obtain without pressure signal according to voltage Uab2, Ubc2 in II bus, inlet wire
One has pressure signal to judge to obtain according to the voltage Ujx1 of inlet wire one, and inlet wire two judges without electric current Ijx2 of the stream signal according to inlet wire two
Obtain, pick up primary voltage throw control word signal, the locking of inlet wire two haul oneself willingly into open into signal as open into signal by outside open into setting,
And logic circuit is hauled oneself willingly into recoil simulator input inlet wire one by opening, inlet wire one hauls oneself willingly into charging signals and hauls oneself willingly into charging using inlet wire one
Logic decision circuitry obtains.
2. railway distribution substation intelligence mother protection supervisory equipment according to claim 1, it is characterised in that
Also logic circuit is hauled oneself willingly into including mother:Including jumping into the action logic link of line one, jumping into the action logic link of line two, conjunction mother
Connection hauls oneself willingly into action logic link,
Jump into the action logic link of line one:Including input logic NOT gate, input logic and door one, input logic and door two, output
Logic sum gate, wherein, mother I has pressure signal to be input to input logic and door without pressure signal, inlet wire one without stream signal, II female any line
One, haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, mother hauls oneself willingly into charging signals and is input to input logic and door two, inlet wire one
Locking hauls oneself willingly into open is input to input logic NOT gate into signal, the output signal of input logic NOT gate, input logic and door two it is defeated
Go out signal and be input to input logic and Men Yizhong, the output signal of input logic and door one is patrolled into output logic sum gate, output
Collecting 2 roads of OR gate output and jump into the action signal of line one, the breaker DL1 that the action signal of line one control inlet wire one is jumped on 1 road trips, and 1
Road jumps into the action signal of line one and hauls oneself willingly into action logic link into mother is closed;
Jump into the action logic link of line two:Including input logic NOT gate, input logic and door one, input logic and door two, output
Logic sum gate, wherein, II mother has without pressure signal, inlet wire two without stream signal, the female any lines of I presses signal to be input to input logic and door
One, haul oneself willingly into control word signal, haul oneself willingly into soft pressing plate signal, mother hauls oneself willingly into charging signals and is input to input logic and door two, inlet wire two
Locking hauls oneself willingly into open is input to input logic NOT gate into signal, the output signal of input logic NOT gate, input logic and door two it is defeated
Go out signal and be input to input logic and Men Yizhong, the output signal of input logic and door one is patrolled into output logic sum gate, output
Collecting 2 roads of OR gate output and jump into the action signal of line two, the breaker DL2 that the action signal of line two control inlet wire two is jumped on 1 road trips, and 1
Road jumps into the action signal of line two and hauls oneself willingly into action logic link into mother is closed;
Close mother and haul oneself willingly into action logic link:Including jumping into the logical AND gate of line one, jumping into the logic inverter of line one, jump into the logic of line two
With door, jump into the logic inverter of line two, export logic sum gate;
Jump into the action signal of line one, the breaker 1DL jump position signal of inlet wire one enters and jumps into the logical AND gate of line one, inlet wire one closes
Lock is hauled oneself willingly into open jumps into the logic inverter of line one into signal entrance, and the logic of line one is jumped into the output signal entrance for jumping into the logic inverter of line one
With door, the output signal for jumping into the logical AND gate of line one enters output logic sum gate;
Jump into the action signal of line two, the breaker 2DL jump position signal of inlet wire two enters and jumps into the logical AND gate of line two, inlet wire two closes
Lock is hauled oneself willingly into open jumps into the logic inverter of line two into signal entrance, and the logic of line two is jumped into the output signal entrance for jumping into the logic inverter of line two
With door, the output signal for jumping into the logical AND gate of line two enters output logic sum gate, and output logic sum gate output conjunction mother is hauled oneself willingly into dynamic
Make signal, control breaker 3DL closures;
Wherein mother I has pressure to judge to obtain according to voltage Uab1, Ubc1, Uca1 in I buses without pressure signal, the female any one lines of I, and II
Female to have pressure to judge to obtain according to voltage Uab2, Ubc2 in II bus without II female any one line of pressure signal, inlet wire one is without stream signal
Electric current Ijx1 according to inlet wire one judges to obtain, and inlet wire two judges to obtain without stream signal according to the electric current Ijx2 of inlet wire two, hauls oneself willingly into
Control word signal, haul oneself willingly into soft pressing plate signal, the locking of inlet wire two is hauled oneself willingly into open to haul oneself willingly into signal, the locking of inlet wire one and opened into signal as opening
Enter signal to be opened into setting by outside and haul oneself willingly into logic circuit into recoil simulator input inlet wire one by opening, mother hauls oneself willingly into charging letter
Number using mother haul oneself willingly into recharge logic decision circuit acquisition.
3. railway distribution substation intelligence mother protection supervisory equipment according to claim 1, it is characterised in that
Inlet wire two hauls oneself willingly into recharge logic decision circuit
Charge decision logic link, inlet wire two are hauled oneself willingly into including inlet wire two and hauls oneself willingly into discharge judgement logical links,
Inlet wire two, which hauls oneself willingly into charging decision logic link, includes input logic and door one, input logic NOT gate one, input logic NOT gate
2nd, input logic NOT gate three, input logic OR gate, input logic and door two, output logic sum gate, mother I have pressure signal, II mother to have
Signal is pressed to enter input logic and door one, breaker 1DL jump position signal enters input logic NOT gate one, breaker 3DL jump
Position signal enters input logic NOT gate two, picks up primary voltage throwing control word signal and enters input logic NOT gate three, input logic is non-
The output signal of door three, inlet wire two have pressure signal to enter input logic OR gate, the output signal of input logic OR gate, breaker
The output signal of 2DL jump position signal, input logic and door one enters input logic and door two, the output of input logic and door two
Signal connection enters output logic sum gate, and the output signal self-loopa for exporting logic sum gate returns to the input of output logic sum gate,
Export the output signal of logic sum gate and inlet wire two is hauled oneself willingly into after the doubling of discharge judgement logical links is handled and exported;
Inlet wire two hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 2DL and judges link, inspection primary voltage control word letter
Number with inlet wire two without pressure signal and logic judgment link, jump position unusual determination link, bus PT broken string logic judgments link, enter
Line one, which refuses jump judgement link, conjunction inlet wire two hauls oneself willingly into action judgement link, hauls oneself willingly into control word, which exits judgement link, hauls oneself willingly into hard pressing plate moves back
Go out to judge link, haul oneself willingly into soft pressing plate and exit and judge that link, the locking of inlet wire one are hauled oneself willingly into and opened into judgement link, using output logic or non-
The NOT logic of jumps position signal of the door to 2DL judge link, examine primary voltage control word signal and inlet wire two without press signal with patrolling
Collect and judge that link, jump position unusual determination link, bus PT broken string logic judgments link, inlet wire one are refused to jump judgement link, conjunction inlet wire
Two, which haul oneself willingly into action, judges link, hauls oneself willingly into control word and exit and judge link, haul oneself willingly into hard pressing plate and exit and judge link, haul oneself willingly into soft pressing plate and move back
Go out to judge that link, the locking of inlet wire one haul oneself willingly into the output signal progress NOR-logic judgement opened into judgement link, final output inlet wire
Two haul oneself willingly into charging signals.
4. railway distribution substation intelligence mother protection supervisory equipment according to claim 1, it is characterised in that
Inlet wire one hauls oneself willingly into recharge logic decision circuit
Charge decision logic link, inlet wire one are hauled oneself willingly into including inlet wire one and hauls oneself willingly into discharge judgement logical links,
Inlet wire one, which hauls oneself willingly into charging decision logic link, includes input logic and door one, input logic NOT gate one, input logic NOT gate
2nd, input logic NOT gate three, input logic OR gate, input logic and door two, output logic sum gate, mother I have pressure signal, II mother to have
Signal is pressed to enter input logic and door one, breaker 2DL jump position signal enters input logic NOT gate one, breaker 3DL jump
Position signal enters input logic NOT gate two, picks up primary voltage throwing control word signal and enters input logic NOT gate three, input logic is non-
The output signal of door three, inlet wire one have pressure signal to enter input logic OR gate, the output signal of input logic OR gate, breaker
The output signal of 1DL jump position signal, input logic and door one enters input logic and door two, the output of input logic and door two
Signal connection enters output logic sum gate, and the output signal self-loopa for exporting logic sum gate returns to the input of output logic sum gate,
Export the output signal of logic sum gate and inlet wire one is hauled oneself willingly into after the doubling of discharge judgement logical links is handled and exported;
Inlet wire one hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 1DL and judges link, inspection primary voltage control word letter
Number with inlet wire one without pressure signal and logic judgment link, jump position unusual determination link, bus PT broken string logic judgments link, enter
Line two, which refuses jump judgement link, conjunction inlet wire one hauls oneself willingly into action judgement link, hauls oneself willingly into control word, which exits judgement link, hauls oneself willingly into hard pressing plate moves back
Go out to judge link, haul oneself willingly into soft pressing plate and exit and judge that link, the locking of inlet wire two are hauled oneself willingly into and opened into judgement link, using output logic or non-
The NOT logic of jumps position signal of the door to 1DL judge link, examine primary voltage control word signal and inlet wire one without press signal with patrolling
Collect and judge that link, jump position unusual determination link, bus PT broken string logic judgments link, inlet wire two are refused to jump judgement link, conjunction inlet wire
One, which hauls oneself willingly into action, judges link, hauls oneself willingly into control word and exit and judge link, haul oneself willingly into hard pressing plate and exit and judge link, haul oneself willingly into soft pressing plate and move back
Go out to judge that link, the locking of inlet wire two haul oneself willingly into the output signal progress NOR-logic judgement opened into judgement link, final output inlet wire
One hauls oneself willingly into charging signals.
5. railway distribution substation intelligence mother protection supervisory equipment according to claim 2, it is characterised in that
Mother hauls oneself willingly into that recharge logic decision circuit hauls oneself willingly into charging decision logic link including mother, mother hauls oneself willingly into discharge judgement logic
Link,
Mother haul oneself willingly into charging decision logic link include input logic and door one, input logic NOT gate one, input logic NOT gate two,
Input logic has pressure signal, II mother to have pressure signal to enter input logic and door one, breaker with door two, output logic sum gate, mother I
1DL jump position signal enters input logic NOT gate one, and breaker 2DL jump position signal enters input logic NOT gate two, and input is patrolled
Collect and the output signal of door one, the output signal of input logic NOT gate one, the output signal of input logic NOT gate two, breaker
3DL jump position signal enters input logic and door two, and the output signal of input logic and door two enters output logic sum gate, output
The output signal self-loopa of logic sum gate returns to the input of output logic sum gate, export the output signal of logic sum gate and mother from
Exported after launching electric decision logic link doubling processing;
Mother hauls oneself willingly into conjunction position of the discharge judgement logical links including breaker 3DL and judges link, I, II female judgement chain without pressure
Road, jump position unusual determination link, bus PT broken string logic judgments link, switch, which are refused to jump, judges that link, conjunction mother are hauled oneself willingly into action and sentenced
Determine link, haul oneself willingly into control word or soft pressing plate do not put into, haul oneself willingly into hard pressing plate exit judge link, inlet wire two or the locking of inlet wire one from
Throwing is opened into judgement link, judges link, I, II female judgement without pressure using conjunction position of the output logic nor gate to breaker 3DL
Link, jump position unusual determination link, bus PT broken string logic judgments link, switch, which are refused to jump, judges that link, conjunction mother haul oneself willingly into action
Judge link, haul oneself willingly into control word or soft pressing plate does not put into, hauls oneself willingly into hard pressing plate and exit and judge link, inlet wire two or the locking of inlet wire one
The output signal progress NOR-logic judgement opened into judgement link is hauled oneself willingly into, final output mother hauls oneself willingly into charging signals.
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CN111579927A (en) * | 2020-05-22 | 2020-08-25 | 南京南瑞继保电气有限公司 | Disconnection protection judgment method and device suitable for single-side power transmission line |
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CN101364746A (en) * | 2008-09-12 | 2009-02-11 | 云南电网公司曲靖供电局 | Self-adaptive standby power source self-throwing scheme for transforming plant lead-in circuit breaker |
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