The method that the intelligent liaison controller that supplies power with double circuit controls electric power system
Technical field
The method that the intelligent liaison controller that supplies power with double circuit controls electric power system, belongs to supply intelligent control technology field.
Background technology
In the past the two sections electrical interlocks between lead-in circuit breaker and bus are by the secondary such as the time relay, auxiliary relay electric components, in use, there is following problem:
1, the control program used is Control, and the line between power distribution cabinet is too many, easy wrong, takes up room large, installs distribution inconvenient;
2, use the dust of switchgear house that the action of relay can be caused insensitive for a long time, thus out of control effect, cause power failure or electrical fire accident; Useful life is short, rapid wear, easily aging.
3, in use, necessary periodic maintenance, and must be changed by professional.
Summary of the invention
The technical problem to be solved in the present invention is: overcome prior art Problems existing, provides that a kind of line is few, handling safety, the method that the non-maintaining intelligent liaison controller that supplies power with double circuit controls electric power system.
The technical solution adopted for the present invention to solve the technical problems is: this method that intelligent liaison controller controls electric power system that supplies power with double circuit, controller comprises microprocessor, microprocessor input connects I section of inlet wire respectively by wire, I section of circuit breaker, II section of inlet wire, II section of circuit breaker and bus, output end of microprocessor connects I section of circuit breaker respectively by wire, II section of circuit breaker and bus, bus one termination I section of bus, another termination II section of bus, it is characterized in that: working method is divided and hauled oneself willingly into runback, haul oneself willingly into not runback and Non-follow control, it is wherein said that to haul oneself willingly into runback step as follows:
1) from dynamic circuit connector I section of circuit breaker 2;
2) from dynamic circuit connector II section of circuit breaker 6;
3) automatically I section of circuit breaker 2 is divided;
4) automatically II section of circuit breaker 6 is divided;
5) from dynamic circuit connector bus 5;
6) automatically bus 5 is divided;
Described is as follows from dynamic circuit connector I section of circuit breaker step:
A) microprocessor 8 detects and meets that I section of inlet wire 1 voltage is normal, I section of circuit breaker 2 does not close a floodgate and I section of circuit breaker 2 fault-free, possesses conjunction I section of circuit breaker 2 condition simultaneously;
B) microprocessor 8 detects that II section of circuit breaker 6 or bus 5 only have a combined floodgate; Or microprocessor 8 exports one of point bus 5 signal two conditions, and possess conjunction I section of circuit breaker 2 condition, delay time 1-3S, microprocessor 8 exports conjunction I section of circuit breaker 2 and orders simultaneously, otherwise microprocessor 8 no signal exports.
Described is as follows from dynamic circuit connector II section of circuit breaker 6 step:
A) microprocessor 8 detects and meets that II section of inlet wire 1 voltage is normal, II section of circuit breaker 6 does not close a floodgate and II section of circuit breaker 6 fault-free simultaneously; Possess conjunction II section of circuit breaker 6 condition;
B) microprocessor 8 detects that I section of circuit breaker 2 or bus 5 only have a combined floodgate, or microprocessor 8 exports one of point bus 5 signal two conditions, and possess conjunction II section of circuit breaker 6 condition simultaneously, delay time 1-3S, microprocessor 8 exports conjunction II section of circuit breaker 6 and orders, otherwise microprocessor 8 no signal exports.
Described point I section of circuit breaker step is automatically as follows:
A) microprocessor 8 detects and meets I section of circuit breaker no-voltage, I section of breaker closing state, delay time 1-3S simultaneously, and microprocessor 8 exports point I section of circuit breaker order, otherwise microprocessor 8 no signal exports.
Described point II section of circuit breaker step is automatically as follows:
A) microprocessor 8 detects and meets II section of circuit breaker no-voltage, II section of breaker closing state, delay time 2S simultaneously, and microprocessor 8 exports point II section of circuit breaker order, otherwise microprocessor 8 no signal exports.
Described is as follows from dynamic circuit connector bus 5 step:
A) microprocessor 8 exports point I section of circuit breaker 2 signal, bus 5 gate-dividing state, II section of circuit breaker 6 "on" position, I section of inlet wire 1 dead electricity, II section of inlet wire 7 normal power supply and II section of circuit breaker 6 "on" position;
B) microprocessor 8 exports point II section of circuit breaker 6 signal, bus 5 gate-dividing state, I section of 2-in-1 lock state of circuit breaker, II section of inlet wire 7 dead electricity, I section of inlet wire 1 normal power supply and I section of 2-in-1 lock state of circuit breaker;
C) meet I section of inlet wire 1 dead electricity, II section of inlet wire 7 "on" position simultaneously, I section of circuit breaker 2 has fault, I section of inlet wire 1 no-voltage, or meet II section of inlet wire 7 dead electricity, I section of inlet wire 1 "on" position simultaneously, II section of circuit breaker 6 has fault, II section of arbitrary set condition of inlet wire 7 no-voltage, just can possess and close bus 5 condition 1;
D) meet microprocessor 8 simultaneously and export conjunction I section of circuit breaker 2 signal, II section of circuit breaker 6 does not close a floodgate, or meet microprocessor 8 simultaneously and export conjunction II section of circuit breaker 6 signal, I section of circuit breaker 2 does not close a floodgate arbitrary set condition, just can possess and close bus 5 condition 2;
E) I section of circuit breaker 2 or II section of circuit breaker 6 only have a combined floodgate, meet simultaneously and close bus 5 condition 1 or close one of bus 5 condition 2, and simultaneously bus 5 gate-dividing state, delay time 1S, microprocessor 8 exports and closes bus 5 signal.
Described point bus 5 step is automatically as follows:
A) meet conjunction I section of circuit breaker 2 condition simultaneously and close II section of circuit breaker 6 condition, and simultaneously bus 5 "on" position, haul oneself willingly into runback state, delay time 1S, microprocessor 8 exports point bus 5 signal.
The microprocessor 8 of the described intelligent liaison controller that supplies power with double circuit is PLC, 1 pin and 2 pin of PLC connect working power, I section of inlet wire 1 connects I section of bus 3 by the input 1 of I section of circuit breaker 2, I section of inlet wire 1 connects the input pin 3 of PLC simultaneously by voltage detecting line I-1, the output 2 of I section of circuit breaker 2 connects input pin 4, I section of circuit breaker 2 of PLC output 3 by circuit breaker failure detection line I-2 connects the input pin 5 of PLC by circuit-breaker switching on-off detection line I-3, II section of inlet wire 7 connects II section of bus 4 by the input 1 of II section of circuit breaker 6, II section of inlet wire 7 connects the input pin 6 of PLC simultaneously by voltage detecting line I-4, the output 2 of II section of circuit breaker 6 connects input pin 8, II section of circuit breaker 6 of PLC output 3 by circuit breaker failure detection line I-5 connects the input pin 7 of PLC by circuit-breaker switching on-off detection line I-6, bus 5 interbus one end connects I section of bus, the other end connects II section of bus, the output pin 19 of PLC connects the output 2 of bus 5 by breaker open operation output line 31, the output pin 20 of PLC connects the output 3 of bus 5 by breaker closing output line 29, the output pin 16 of PLC connects the output 5 of II section of circuit breaker 6 by breaker open operation output line 27, the output pin 17 of PLC connects the output 4 of II section of circuit breaker 6 by breaker closing output line 25, the output pin 13 of PLC connects the output 4 of I section of circuit breaker 2 by breaker closing output line 21, the output pin 14 of PLC connects the output 5 of I section of circuit breaker 2 by breaker open operation output line 23, the input pin 10 of PLC connects the output 5 of bus 5 by circuit-breaker switching on-off detection line I-8, input pin 11 pin of PLC is for hauling oneself willingly into runback, haul oneself willingly into the selection input of not runback, pin 12, pin 15 and pin 18 are connected the common port for PLC exports respectively with pin 1.
Compared with prior art, the beneficial effect that supply power with double circuit intelligent liaison controller and control method of the present invention have is:
The present invention can solve the Based Intelligent Control that two-way lead-in circuit breaker is powered between a road bus simultaneously, reduce the too much wiring between traditional relay interlocking, take up room little, avoid relay work for a long time burn out, great electrical fire accident that distribution house dust causes relay damaged, long service life, realize the automatic control between three circuit breakers, only allow two circuit breakers to close a floodgate in any case simultaneously.Meanwhile, there is handling safety, non-maintaining, on duty without the need to personnel 24 hours, reduce the advantages such as personnel cost.
Accompanying drawing explanation
Fig. 1 is the intelligence contact controller architecture theory diagram that supplies power with double circuit.
Fig. 2 is the intelligence contact controller architecture schematic diagram that supplies power with double circuit.
Fig. 3 exports conjunction I section of breaker control flow chart automatically.
Fig. 4 exports point I section of breaker control flow chart automatically.
Fig. 5 exports conjunction II section of breaker control flow chart automatically.
Fig. 6 exports point II section of breaker control flow chart automatically.
Fig. 7 is from dynamic circuit connector bus condition 1 control flow chart.
Fig. 8 is from dynamic circuit connector bus condition 2 control flow chart.
Fig. 9 exports to close bus control flow chart automatically.
Figure 10 exports point mother breaker control flow chart automatically.
Wherein: 1 I sections of inlet wires, 2 I sections of circuit breakers, 3 I sections of buses, 4 II sections of bus 5 buses, 6 II sections of circuit breakers, 7 II sections of inlet wire 8 microprocessors.
Embodiment
Fig. 1 ~ 10 are most preferred embodiments of the present invention, are described further intelligent liaison controller and the control method of supplying power with double circuit of the present invention below in conjunction with accompanying drawing 1 ~ 10.
With reference to Fig. 1-2:
This intelligent liaison controller that supplies power with double circuit, comprise microprocessor, it is characterized in that: microprocessor input connects I section of inlet wire, I section of circuit breaker, II section of inlet wire, II section of circuit breaker and bus respectively by wire, output end of microprocessor connects I section of circuit breaker, II section of circuit breaker and bus respectively by wire, bus one termination I section of bus, another termination II section of bus.
Microprocessor 8 is PLC, 1 pin and 2 pin of PLC connect working power, I section of inlet wire 1 connects I section of bus 3 by the input 1 of I section of circuit breaker 2, I section of inlet wire 1 connects the input pin 3 of PLC simultaneously by voltage detecting line I-1, the output 2 of I section of circuit breaker 2 connects input pin 4, I section of circuit breaker 2 of PLC output 3 by circuit breaker failure detection line I-2 connects the input pin 5 of PLC by circuit-breaker switching on-off detection line I-3, II section of inlet wire 7 connects II section of bus 4 by the input 1 of II section of circuit breaker 6, II section of inlet wire 7 connects the input pin 6 of PLC simultaneously by voltage detecting line I-4, the output 2 of II section of circuit breaker 6 connects input pin 8, II section of circuit breaker 6 of PLC output 3 by circuit breaker failure detection line I-5 connects the input pin 7 of PLC by circuit-breaker switching on-off detection line I-6, bus 5 interbus one end connects I section of bus, the other end connects II section of bus, the output pin 19 of PLC connects the output 2 of bus 5 by breaker open operation output line 31, the output pin 20 of PLC connects the output 3 of bus 5 by breaker closing output line 29, the output pin 16 of PLC connects the output 5 of II section of circuit breaker 6 by breaker open operation output line 27, the output pin 17 of PLC connects the output 4 of II section of circuit breaker 6 by breaker closing output line 25, the output pin 13 of PLC connects the output 4 of I section of circuit breaker 2 by breaker closing output line 21, the output pin 14 of PLC connects the output 5 of I section of circuit breaker 2 by breaker open operation output line 23, the input pin 10 of PLC connects the output 5 of bus 5 by circuit-breaker switching on-off detection line I-8, input pin 11 pin of PLC is for hauling oneself willingly into runback, haul oneself willingly into the selection input of not runback, pin 12, pin 15 and pin 18 are connected the common port for PLC exports respectively with pin 1.
With reference to Fig. 3-10:
The method that the intelligent liaison controller that supplies power with double circuit controls electric power system, working method is divided and is hauled oneself willingly into runback, hauls oneself willingly into not runback and Non-follow control, wherein hauls oneself willingly into runback step as follows:
1) from dynamic circuit connector I section of circuit breaker;
2) from dynamic circuit connector II section of circuit breaker;
3) automatically I section of circuit breaker is divided;
4) automatically II section of circuit breaker is divided;
5) from dynamic circuit connector bus;
6) automatically bus is divided.
Described is as follows from dynamic circuit connector I section of circuit breaker step:
A) microprocessor 8 detects and meets that I section of inlet wire 1 voltage is normal, I section of circuit breaker 2 does not close a floodgate and I section of circuit breaker 2 fault-free, possesses conjunction I section of circuit breaker 2 condition simultaneously;
B) microprocessor 8 detects that II section of circuit breaker 6 or bus 5 only have a combined floodgate; Or microprocessor 8 exports one of point bus 5 signal two conditions, and possess conjunction I section of circuit breaker 2 condition, delay time 1-3S, microprocessor 8 exports conjunction I section of circuit breaker 2 and orders simultaneously, otherwise microprocessor 8 no signal exports.
Described is as follows from dynamic circuit connector II section of circuit breaker step:
A) microprocessor 8 detects and meets that II section of inlet wire 1 voltage is normal, II section of circuit breaker 6 does not close a floodgate and II section of circuit breaker 6 fault-free simultaneously; Possess conjunction II section of circuit breaker 6 condition;
B) microprocessor 8 detects that I section of circuit breaker 2 or bus 5 only have a combined floodgate, or microprocessor 8 exports one of point bus 5 signal two conditions, and possess conjunction II section of circuit breaker 6 condition simultaneously, delay time 1-3S, microprocessor 8 exports conjunction II section of circuit breaker 6 and orders, otherwise microprocessor 8 no signal exports.
Described point I section of circuit breaker step is automatically as follows:
A) microprocessor 8 detects and meets I section of circuit breaker no-voltage, I section of breaker closing state, delay time 1-3S simultaneously, and microprocessor 8 exports point I section of circuit breaker order, otherwise microprocessor 8 no signal exports.
Described point II section of circuit breaker step is automatically as follows:
A) microprocessor 8 detects and meets II section of circuit breaker no-voltage, II section of breaker closing state, delay time 2S simultaneously, and microprocessor 8 exports point II section of circuit breaker order, otherwise microprocessor 8 no signal exports.
Described is as follows from dynamic circuit connector bus step:
A) microprocessor 8 exports point I section of circuit breaker 2 signal, bus 5 gate-dividing state, II section of circuit breaker 6 "on" position, I section of inlet wire 1 dead electricity, II section of inlet wire 7 normal power supply and II section of circuit breaker 6 "on" position;
B) microprocessor 8 exports point II section of circuit breaker 6 signal, bus 5 gate-dividing state, I section of 2-in-1 lock state of circuit breaker, II section of inlet wire 7 dead electricity, I section of inlet wire 1 normal power supply and I section of 2-in-1 lock state of circuit breaker;
C) meet I section of inlet wire 1 dead electricity, II section of inlet wire 7 "on" position simultaneously, I section of circuit breaker 2 has fault, I section of inlet wire 1 no-voltage, or meet II section of inlet wire 7 dead electricity, I section of inlet wire 1 "on" position simultaneously, II section of circuit breaker 6 has fault, II section of arbitrary set condition of inlet wire 7 no-voltage, just can possess and close bus 5 condition 1;
D) meet microprocessor 8 simultaneously and export conjunction I section of circuit breaker 2 signal, II section of circuit breaker 6 does not close a floodgate, or meets microprocessor 8 simultaneously and export conjunction II section of circuit breaker 6 signal, and I section of circuit breaker 2 does not close a floodgate arbitrary set condition, just can possess and close bus 5 condition 2;
E) I section of circuit breaker 2 or II section of circuit breaker 6 only have a combined floodgate, meet simultaneously and close bus 5 condition 1 or close one of bus 5 condition 2, and simultaneously bus 5 gate-dividing state, delay time 1S, microprocessor 8 exports and closes bus 5 signal.
Described point bus step is automatically as follows:
A) meet conjunction I section of circuit breaker 2 condition simultaneously and close II section of circuit breaker 6 condition, and simultaneously bus 5 "on" position, haul oneself willingly into runback state, delay time 1S, microprocessor 8 exports and closes bus 5 signal.
Wherein delay time 1S or 2S can adjust at 1-3S.Microprocessor 8 is PLC or single-chip microcomputer.
1, Non-follow control:
Intelligence liaison controller is without any detection, rely on the button control of screen cabinet completely, manually close point I section of circuit breaker 2, manually close point II section of circuit breaker 6, manual conjunction divides bus 5(only can allow to close two circuit breakers in any case simultaneously), the safety utilization of electric power of safeguards system;
Haul oneself willingly into not runback control method:
PLC detects I section of inlet wire 1 Line under-voltage or decompression but I section of circuit breaker 2 fault-free, during II section of inlet wire 7 normal power supply, PLC time delay 1S cuts off I section of circuit breaker 2 automatically, then time delay 2S is from dynamic circuit connector bus 5, avoid the long-time power failure that high-tension line or transformer catastrophic failure cause, reduce the loss caused that has a power failure for a long time.
After I section of inlet wire 1 circuit restores electricity, PLC no signal exports, and continues to use bus 5 to allow II section of bus 4 power to I section of bus 3.
PLC detects normal but I section of circuit breaker 2 fault of I section of inlet wire 1 circuit, during II section of inlet wire 7 normal power supply, PLC time delay 1S cuts off I section of circuit breaker 2 automatically, then time delay 2S is from dynamic circuit connector bus 5, avoid the long-time power failure that high-tension line or transformer catastrophic failure cause, reduce the loss caused that has a power failure for a long time.
When I section of circuit breaker 2 overhauls well, PLC no signal exports, and continues to use bus 5 to allow II section of bus 4 power to I section of bus 3.
Wherein delay time 1S or 2S can adjust at 1-3S.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection range of technical solution of the present invention.