CN105006881B - One kind hauling oneself willingly into runback control system - Google Patents

One kind hauling oneself willingly into runback control system Download PDF

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Publication number
CN105006881B
CN105006881B CN201510389034.9A CN201510389034A CN105006881B CN 105006881 B CN105006881 B CN 105006881B CN 201510389034 A CN201510389034 A CN 201510389034A CN 105006881 B CN105006881 B CN 105006881B
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China
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normally
intermediate relay
relay
control module
lead
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CN201510389034.9A
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CN105006881A (en
Inventor
孙洪峰
柳雨含
董志浩
姜坤
张小妮
郭鹏蛟
迟万旭
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Shenghui Intelligent Technology Co.,Ltd.
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SHANDONG LUYITONG INTELLIGENT ELECTRICAL CO Ltd
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Abstract

The invention discloses one kind hauling oneself willingly into runback control system,It is 1# incoming line cabinets,Mother cabinet,2# incoming line cabinets are connect by bus with backstage automatic safety device,1# incoming line cabinets are acquired by voltage sampling unit,The primary voltage signal of 2# incoming line cabinets,Realization automatically cuts off failure side lead-in circuit breaker in the case of 1# inlet wires or 2# inlet wire failures,Put into busbar breaker,After incoming power restores,Automatically cut off busbar breaker,Put into lead-in circuit breaker,And it can be by respective multifunctional measurement and control module by collected 1# incoming line cabinets,Mother cabinet,The current signal of 2# incoming line cabinets,The electric network informations such as the on off state of voltage signal and breaker,Utilize the communication unit of multifunctional measurement and control module,Backstage automatic safety device is uploaded to by bus respectively,And receive the control division instruction that backstage automatic safety device is passed back to;The conversion hauled oneself willingly into runback, haul oneself willingly into the not multiple functions pattern such as manual, remote control of runback, switchgear is realized by the way that the change-over switch in mother cabinet is arranged.

Description

One kind hauling oneself willingly into runback control system
Technical field
The invention belongs to power supply unit technical fields, and runback control system is hauled oneself willingly into more particularly, to one kind.
Background technology
Demand with the development of social economy to electric power is more and more huger, and electric network composition is increasingly sophisticated, power supply reliability It is required that higher and higher.When whole system breaks down, dispatcher or operations staff can only be often relied on manually to put into spare Power supply so that operation of power networks efficiency and power supply reliability substantially reduce.Using automatic switching device of standby power supply, between providing not user The system of cut-off electricity, is a kind of economic and effective technical measures, it is widely used in modern power supply system.
Automatic switching device of standby power supply can play certain effect in terms of improving reliability, but match specifically for low pressure The product of prepared auto restart on the spot of electric system is less, and existing automatic switching device of standby power supply can only realize the spare on the spot of single substation Power supply automatically engages, and when substation's back panel wiring or the method for operation change, original logic will fail, and cause prepared auto restart It is ineffective, and cannot achieve the function of automatically engaging of distant place stand-by power supply.In addition, because realization method is single, function is endless It is apt to, reliability is low, comprehensive information on the high side and can not obtaining power grid, it is difficult to realize the cooperation with automatic safety device, it is right The case where overload, can not preferably solve, and cannot be satisfied electric system and wanted for automatic safety device is higher and higher It asks.
Invention content
It is an object of the invention to improve the deficiency of prior art and provide one kind suitable for distribution system, can be automatic What control power supply source and stand-by power supply were automatically switched as needed hauls oneself willingly into runback control system.
The object of the present invention is achieved like this, and one kind hauling oneself willingly into runback control system, 1# incoming line cabinets, mother cabinet, 2# inlet wires Cabinet is connect by bus with backstage automatic safety device, its main feature is that 1# voltage sampling units, 1# electricity in the 1# incoming line cabinets Flow sampling unit, 1# multifunctional measurement and control modules power supply unit, 1# on off states uploading unit respectively with 1# multifunctional measurement and control modules Communication unit connects, and 1# multifunctional measurement and control module communication units connect 1# circuit breaker control units, the connection of 1# voltage sampling units 1# hauls oneself willingly into runback unit, and 1# hauls oneself willingly into runback unit connection 1# circuit breaker control units, and mother cabinet power supply switch unit is separately connected 1# hauls oneself willingly into runback unit, 1# circuit breaker control units, 1# multifunctional measurement and control module power supply units, and the 2# lockings of 2# incoming line cabinets are single First, mother cabinet locking unit is connect with 1# circuit breaker control units respectively, and 1# locking units are disconnected with the 2# of 2# incoming line cabinets respectively The circuit breaker control unit connection of road device control unit, mother cabinet;
2# voltage sampling units, 2# current sampling units, 2# multifunctional measurement and control module power supply lists in the 2# incoming line cabinets Member, 2# on off states uploading unit are connect with 2# multifunctional measurement and control module communication units respectively, the communication of 2# multifunctional measurement and control modules Unit connects 2# circuit breaker control units, and 2# voltage sampling units connection 2# hauls oneself willingly into runback unit, and 2# hauls oneself willingly into the connection of runback unit 2# circuit breaker control units, mother cabinet power supply switch unit are separately connected 2# and haul oneself willingly into runback unit, 2# circuit breaker control units, 2# Multifunctional measurement and control module power supply unit, the 1# locking units of 1# incoming line cabinets, the locking unit of mother cabinet respectively with 2# breaker controls Unit processed connection, 2# locking units respectively with the 1# circuit breaker control units of 1# incoming line cabinets, the circuit breaker control unit of mother cabinet Connection;
Voltage sampling unit, current sampling unit, multifunctional measurement and control module power supply unit, switch shape in the mother cabinet State uploading unit is connect with multifunctional measurement and control module communication unit respectively, and multifunctional measurement and control module communication unit connects breaker control Unit processed, power supply switch unit are connect with multifunctional measurement and control module power supply unit, circuit breaker control unit respectively, locking unit point It is not connect with the 2# circuit breaker control units of the 1# circuit breaker control units of 1# incoming line cabinets, 2# incoming line cabinets, circuit breaker control unit Connect respectively with the 2# locking units of the 1# locking units of 1# incoming line cabinets, 2# incoming line cabinets, power supply switch unit respectively with 1# inlet wires 1# circuit breaker control units, 1# multifunctional measurement and control modules power supply unit, 2# circuit breaker control units, the 2# of 2# incoming line cabinets of cabinet are more Function control module power supply unit connects, and cuts non-ensured load unit connection non-ensured load circuit when hauling oneself willingly by force.
Can be the 1# multifunctional measurement and control module power supply units it be more work(to further realize the purpose of the present invention 1,2 ends of energy control module 1PD connect the firewire of alternating current, zero curve respectively;
The 1# current sampling units be 5,7,9 ends of multifunctional measurement and control module 1PD, current transformer 1TAa, 1TAb, It is grounded after the ends the S2 short circuit of 1Tac, 4,6,8 ends of multifunctional measurement and control module 1PD meet current transformer 1TAa, 1TAb, 1Tac respectively The ends S1;
The 1# on off state uploading units are the 5 of the 71 termination intermediate relay 1KA5 of multifunctional measurement and control module 1PD 7 ends of terminal, 72 termination intermediate relay 1KA2,9 ends of intermediate relay 1KA5,11 ends of intermediate relay 1KA2,1PD 70 end short circuits;
The 1# voltage sampling units are that 11,12,13 ends of multifunctional measurement and control module 1PD concatenate fuse respectively A, B, the C-terminal of lead-in circuit breaker 1QF are reconnected after 1FU1,1FU2,1FU3,14 ends of multifunctional measurement and control module 1PD and inlet wire are disconnected The coil of the N-terminal short circuit of road device 1QF, voltage relay 1KV1 is connected between the A of lead-in circuit breaker 1QF, C-terminal, voltage relay The coil of 1KV2 is connected between the end A, B of lead-in circuit breaker 1QF;
The 1# multifunctional measurement and control module communication units are that 58,59,60 ends of multifunctional measurement and control module 1PD are respectively turned on Interrogate A1+, A1-, the shielded layer of line;
The 1# haul oneself willingly into runback unit be the normally-closed contact of voltage relay 1KV1, voltage relay 1KV1 it is normally opened touch The other end of the firewire of the parallel end connection three-phase alternating current of point, the normally-closed contact of voltage relay 1KV1 concatenates voltage relay The normally-closed contact of 1KV2, the coil of time relay 1KT1 are followed by zero curve, the normally-closed contact of intermediate relay 1KA1, intermediate relay The normally-closed contact of device 1KA2, the normally opened contact of time relay 1KT3, intermediate relay 1KA3 coil tandem after when being connected in parallel on Between relay 1KT1 coil both ends, the other end concatenation voltage relay 1KV2's of the normally opened contact of voltage relay 1KV1 is normal Open contact, the normally-closed contact of intermediate relay 1KA1, time relay 1KT2 coil be followed by zero curve, intermediate relay 1KA4's Coils from parallel connection of coils is at the coil both ends of time relay 1KT2;
The 1# locking units be 5 ends of intermediate relay 1KA4 with the 3 end short circuits of intermediate relay 1KA3 be followed by 10 ends of mother cabinet change-over switch SA, 9 ends of intermediate relay 1KA4 are connected to 13 ends of mother cabinet change-over switch SA, 1KA3's 11 ends are connected to 23 ends of 2# lead-in circuit breakers 2QF, 12 ends of intermediate relay 1KA2 and the 24 end short circuits of 1# lead-in circuit breakers 1QF It is followed by 13 ends of mother cabinet 3SB1,23 ends of 1# lead-in circuit breakers 1QF are connect with 11 ends of 2# inlet wires 2KA3,1# inlet wire open circuits 12 ends of device 1QF are connected to the ends C1 of busbar breaker 3QF, and 21 ends of 1# lead-in circuit breakers 1QF are connected to 10 ends of 2# inlet wires 2KA2, 22 ends of 1# lead-in circuit breakers 1QF are connected to the ends C1 of 2# lead-in circuit breakers 2QF;
The 1# circuit breaker control units are that the firewire L01 concatenations fuse 1FU4 of three-phase alternating current is followed by inlet wire open circuit The ends U1 of device 1QF, 95 ends, 13 ends, intermediate relay 1KA1 normally-closed contact parallel connected end, the normally-closed contact of intermediate relay 1KA1 Another termination separating brake indicator light 1HG, lead-in circuit breaker 1QF C1 termination mother cabinet busbar breaker 3QF normally-closed contact, The normally-closed contact parallel connected end of the lead-in circuit breaker 2QF of 2# incoming line cabinets, the normally-closed contact of the busbar breaker 3QF of mother cabinet, 2# into The normally-closed contact of the other end concatenation intermediate relay 1KA2 of the normally-closed contact parallel connected end of the lead-in circuit breaker 2QF of line cabinet be followed by by The parallel connected end at 16 ends of button 1SB1,16 feet of multifunctional measurement and control module 1PD, mother cabinet, another termination mother cabinet of button 1SB1 6 ends and button 1SB2 one end, 15, the 17 foot short circuits of multifunctional measurement and control module 1PD are followed by 2 ends of mother cabinet, mother cabinet The normally opened contact of 15 ends concatenation time relay 1KT2 is followed by 10 end of mother cabinet and the normally opened contact of time relay 1KT1, time The normally opened contact of relay 1KT1, the 18 foot parallel end connection lead-in circuit breaker 1QF of button 1SB2, multifunctional measurement and control module 1PD The ends C11, the normally-closed contact of the C2 termination intermediate relays 1KA1 of lead-in circuit breaker 1QF, C12 terminate the normal of intermediate relay 1KA1 Open contact, the coil of 98 termination intermediate relay 1KA2, the parallel connected end of malfunction indicator lamp 1HY, 14 termination intermediate relay 1KA1, The parallel connected end of 1KA5, the coil of time relay 1KT3, combined floodgate indicator light 1HR, the ends U2, the normally closed of intermediate relay 1KA1 are touched Point, the normally opened contact of intermediate relay 1KA1, the coil of intermediate relay 1KA2, malfunction indicator lamp 1HY, separating brake indicator light 1HG, Another terminal connecting zero line of intermediate relay 1KA1,1KA5, the coil of time relay 1KT3, combined floodgate indicator light 1HR.
Can be the 2# multifunctional measurement and control modules power supply unit it be multi-functional to further realize the purpose of the present invention 1,2 ends of control module 2PD connect the firewire of alternating current, zero curve respectively;
The 2# current sampling units be 5,7,9 ends of multifunctional measurement and control module 2PD, current transformer 2TAa, 2TAb, It is grounded after the ends the S2 short circuit of 2Tac, 4,6,8 ends of multifunctional measurement and control module 2PD meet current transformer 2TAa, 2TAb, 2Tac respectively The ends S1;
The 2# on off state uploading units are the 5 of the 71 termination intermediate relay 2KA5 of multifunctional measurement and control module 2PD End, 72 termination intermediate relay 2KA2 7 ends, it is 9 ends of intermediate relay 2KA5,11 ends of intermediate relay 2KA2, multi-functional The 70 end short circuits of control module 2PD;
The 2# voltage sampling units are that 11,12,13 ends of multifunctional measurement and control module 2PD concatenate fuse respectively A, B, the C-terminal of lead-in circuit breaker 2QF are reconnected after 2FU1,2FU2,2FU3,14 ends of multifunctional measurement and control module 2PD and inlet wire are disconnected The coil of the N-terminal short circuit of road device 2QF, voltage relay 2KV1 is connected between the A of lead-in circuit breaker 2QF, C-terminal, voltage relay The coil of 2KV2 is connected between the end A, B of lead-in circuit breaker 2QF;
The 2# multifunctional measurement and control module communication units are that 58,59,60 ends of multifunctional measurement and control module 2PD are respectively turned on Interrogate line A2+, A2-, shielded layer;
The 2# haul oneself willingly into runback unit be the normally-closed contact of voltage relay 2KV1, voltage relay 2KV1 it is normally opened touch The other end of the firewire of the parallel end connection three-phase alternating current of point, the normally-closed contact of voltage relay 2KV1 concatenates voltage relay The normally-closed contact of 2KV2, the coil of time relay 2KT1 are followed by zero curve, the normally-closed contact of intermediate relay 2KA1, intermediate relay The normally-closed contact of device 2KA2, the normally opened contact of time relay 2KT3, intermediate relay 2KA3 coil tandem after when being connected in parallel on Between relay 2KT1 coil both ends, the other end concatenation voltage relay 2KV2's of the normally opened contact of voltage relay 2KV1 is normal Open contact, the normally-closed contact of intermediate relay 2KA1, time relay 2KT2 coil be followed by zero curve, intermediate relay 2KA4's Coils from parallel connection of coils is at the coil both ends of time relay 2KT2;
The 2# locking units are that 5 ends of intermediate relay 2KA4 and the 3 end short circuits of 2KA3 are followed by mother cabinet converting 10 ends of switch SA, 9 ends of 2KA4 are connected to 13 ends of mother cabinet change-over switch SA, 11 ends and the 1# inlet wires of intermediate relay 2KA3 23 ends of breaker 1QF are connected, 4 ends of intermediate relay 2KA2 and the 11 end short circuits of 2# lead-in circuit breakers 2QF be followed by 1# into 11 ends of line breaker 1QF, 23 ends of 2# lead-in circuit breakers 2QF are connected to 11 ends of 1# inlet wires 1KA3, and 24 ends of 2QF are connected to mother 12 ends at 13 ends of cabinet 3SB1,2# lead-in circuit breakers 2QF are connected to the ends C1 of busbar breaker, and 12 ends of 2KA2 are connected to 1# inlet wires 4 ends of 1KA2,12 ends of 2# lead-in circuit breakers 2QF are connected with the ends C1 of busbar breaker 3QF, and the 21 of 2# lead-in circuit breakers 2QF 10 ends of 1# inlet wires 2KA2 are connected to, 22 ends of 2# lead-in circuit breakers 2QF are connected to the ends C1 of 1# lead-in circuit breakers 1QF;
The 2# circuit breaker control units are that the firewire L01 concatenations fuse 2FU4 of three-phase alternating current is followed by inlet wire open circuit The ends U1 of device 2QF, 95 ends, 13 ends, intermediate relay 2KA1 normally-closed contact parallel connected end, the normally-closed contact of intermediate relay 2KA1 Another termination separating brake indicator light 2HG, lead-in circuit breaker 2QF C1 termination mother cabinet busbar breaker 3QF normally-closed contact, The normally-closed contact parallel connected end of the lead-in circuit breaker 1QF of 1# incoming line cabinets, the normally-closed contact of the busbar breaker 3QF of mother cabinet, 1# into The normally-closed contact of the other end concatenation intermediate relay 2KA2 of the normally-closed contact parallel connected end of the lead-in circuit breaker 1QF of line cabinet be followed by by The parallel connected end at 16 ends of button 2SB1,16 feet of multifunctional measurement and control module 2PD, mother cabinet, another termination mother cabinet of button 2SB1 6 ends and button 2SB2 one end, 15, the 17 foot short circuits of multifunctional measurement and control module 2PD are followed by 2 ends of mother cabinet, mother cabinet The normally opened contact of 15 ends concatenation time relay 2KT2 is followed by 10 end of mother cabinet and the normally opened contact of time relay 2KT1, time The normally opened contact of relay 2KT1, the 18 foot parallel end connection lead-in circuit breaker 2QF of button 2SB2, multifunctional measurement and control module 2PD The ends C11, the normally-closed contact of the C2 termination intermediate relays 2KA1 of lead-in circuit breaker 2QF, C12 terminate the normal of intermediate relay 2KA1 Open contact, the coil of 98 termination intermediate relay 2KA2, the parallel connected end of malfunction indicator lamp 2HY, 14 termination intermediate relay 2KA1, The parallel connected end of 2KA5, the coil of time relay 2KT3, combined floodgate indicator light 2HR, the ends U2, the normally closed of intermediate relay 2KA1 are touched Point, the normally opened contact of intermediate relay 2KA1, the coil of intermediate relay 2KA2, malfunction indicator lamp 2HY, separating brake indicator light 2HG, Another terminal connecting zero line of intermediate relay 2KA1,2KA5, the coil of time relay 2KT3, combined floodgate indicator light 2HR.
Can be the multifunctional measurement and control module power supply unit it be multi-functional survey to further realize the purpose of the present invention 1,2 ends of control module 3PD connect the firewire of alternating current, zero curve respectively;
The current sampling unit be multifunctional measurement and control module 3PD 5,7,9 ends and current transformer 3TAa, 3TAb, It is grounded after the ends the S2 short circuit of 3Tac, 4,6,8 ends of 3PD connect the ends S1 of current transformer 3TAa, 3TAb, 3Tac respectively;
The on off state uploading unit is that 71,72,73 ends of multifunctional measurement and control module 3PD meet breaker 3QF respectively 24 ends, 5 ends of normally opened contact of intermediate relay 3KA2, change-over switch SA 4 ends, 23 ends of breaker 3QF, intermediate relay The 70 end short circuits at 9 ends of device 3KA2,3 ends of change-over switch SA and breaker 3PD;
The voltage sampling unit be multifunctional measurement and control module 3PD 11,12,13 ends respectively by fuse 3FU1, A, B, the C-terminal of breaker 3QF are reconnected after 3FU2,3FU3,14 ends of multifunctional measurement and control module 3PD and the N-terminal of breaker 3QF are short It connects;
The multifunctional measurement and control module communication unit is that 58,59,60 ends of multifunctional measurement and control module 3PD are respectively turned on news Line A3+, A3-, shielded layer;
The locking unit is that 15 ends of change-over switch SA are connected to 5 ends of 1# inlet wires 1KT2,16 ends of SA be connected to 1# into 13 ends of line 1SB1,11 ends of busbar breaker 3QF are connected to 10 ends of 1# inlet wires 1KA2, and 12 ends of busbar breaker 3QF are connected to The ends C1 of 1# lead-in circuit breakers 1QF, 17 ends of change-over switch SA are connected to 5 ends of 2# inlet wires 2KT2, and 18 ends of SA are connected to 2# inlet wires 13 ends of 2SB1,21 ends of busbar breaker 3QF are connected to 10 ends of 2# inlet wires 2KA2, and 22 ends of busbar breaker 3QF are connected to 2# The ends C1 of lead-in circuit breaker 2QF;
The both ends difference for cutting 3 normally opened contacts that non-ensured load unit is intermediate relay 3KA3 when hauling oneself willingly by force It is connected to non-ensured load circuit;
The power supply switch unit is firewire 2L1 concatenation fuses 3FU5, the intermediate relay KA of three-phase alternating current Normally-closed contact is followed by power firestreak L01, and one group of normally-closed contact of zero curve 2N1 concatenation intermediate relays KA is followed by zero-power line N01, The firewire 1L1 concatenation fuses 3FU6 of three-phase alternating current, the normally opened contact of intermediate relay KA are followed by power firestreak L01, zero curve Another group of normally opened contact of 1N1 concatenation intermediate relays KA is followed by zero-power line N01, and the coil of intermediate relay KA is connected to fire Between line 1L1, zero curve 1N1;
The circuit breaker control unit of the mother cabinet is that the firewire L01 concatenations fuse 3FU4 of three-phase alternating-current supply is followed by The ends U1,95 ends, 13 ends, the normally-closed contact of intermediate relay 3KA1,11 ends of change-over switch SA of busbar breaker 3QF are in parallel End, the 12 ends concatenation of another termination separating brake indicator light 3HG of the normally-closed contact of intermediate relay 3KA1, change-over switch SA it is intermediate after The normally opened contact of electric appliance 3KA1 is followed by the coil of intermediate relay 3KA3, and the C1 of busbar breaker 3QF terminates 1# incoming line cabinet inlet wires The parallel connected end of the normally-closed contact of breaker 1QF, the normally-closed contact of 2# incoming line cabinet lead-in circuit breakers 2QF, lead-in circuit breaker 1QF, 2QF The normally-closed contact of other end concatenation 2# incoming line cabinet intermediate relays 2KA2 of parallel connected end, 1# incoming line cabinet intermediate relays 1KA2 Normally-closed contact, button 3SB1 are followed by 6 ends of change-over switch SA, 16 termination button 3SB1,1# inlet wires of multifunctional measurement and control module 3PD Among the normally-closed contact of cabinet intermediate relay 1KA2,15 end short circuit, 17 end and 2 ends for meeting change-over switch SA, 18 termination change-over switches The ends C11 at 14 ends of SA, one end of button 3SB2 and busbar breaker 3QF, the 10 of change-over switch SA terminates in 1# incoming line cabinets Between the normally-closed contact of relay 1KA3, the normally opened contact of 1KA4,2# incoming line cabinets intermediate relay 2KA3 normally-closed contact, 2KA4 Normally opened contact parallel connected end, the normally-closed contact other end concatenation 2# incoming line cabinets inlet wires open circuit of the intermediate relay 1KA3 of 1# incoming line cabinets The normally opened contact of device 2QF is followed by 16 ends of mother cabinet multifunctional measurement and control module 3PD, and the intermediate relay 2KA3's of 2# incoming line cabinets is normal The normally opened contact of closed contact other end concatenation 1# incoming line cabinet lead-in circuit breakers 1QF is followed by mother cabinet multifunctional measurement and control module 3PD's 16 ends, 13 ends of the normally opened contact parallel end connection change-over switch SA of intermediate relay 1KA4,2KA4, the C2 of busbar breaker 3QF The normally-closed contact of intermediate relay 3KA1 is terminated, C12 terminates the normally opened contact of intermediate relay 3KA1,98 termination intermediate relays The coil of 3KA2, the parallel connected end of malfunction indicator lamp 3HY, 14 terminate the parallel connected end of intermediate relay 3KA1, combined floodgate indicator light 3HR, The ends U2, the normally-closed contact of intermediate relay 3KA1, the normally opened contact of intermediate relay 3KA1, intermediate relay 3KA2 coil, Another termination of malfunction indicator lamp 3HY, separating brake indicator light 3HG, the coil of intermediate relay 3KA1,3KA3, combined floodgate indicator light 3HR Zero curve N01.
Compared with the prior art the present invention has following distinguishing feature and good effect:The present invention can be achieved to haul oneself willingly into runback, The conversion for hauling oneself willingly into the not multiple functions pattern such as manual, remote control of runback, switchgear, meets a variety of demands of user;It can be achieved With the information exchange of backstage automatic control system, switching accuracy is promoted, and have remote control;Has perfect locking work( Can, prevent malfunction and system overload switching;Have when hauling oneself willingly into action, cut the function of non-ensured load by force, ensures that user closes The power demand of reason;Electrical equipment small power consumption used by the system, at low cost, procurement cycle is short, easy for installation, is convenient for this The universal and popularization of system.
Description of the drawings
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is a kind of structural schematic diagram of the present invention.
Fig. 2 is a kind of electric functional block diagram of 1# incoming line cabinets of the present invention.
Fig. 3 is a kind of electric functional block diagram of mother cabinet of the present invention.
Fig. 4 is a kind of electric functional block diagram of 2# incoming line cabinets of the present invention.
Fig. 5 is 1# current sampling units logic chart of the present invention.
Fig. 6 is 1# voltage sampling units logic chart of the present invention.
Fig. 7 is 1# multifunctional measurement and control modules power supply unit logic chart of the present invention.
Fig. 8 is 1# on off states uploading unit logic chart of the present invention.
Fig. 9 is 1# multifunctional measurement and control modules communication unit logic chart of the present invention.
Figure 10 is 1# circuit breaker control units logic chart of the present invention.
Figure 11 is that 1# of the present invention hauls oneself willingly into runback cellular logic figure.
Figure 12 is 1# locking units logic chart of the present invention.
Figure 13 is 2# current sampling units logic chart of the present invention.
Figure 14 is 2# voltage sampling units logic chart of the present invention.
Figure 15 is 2# multifunctional measurement and control modules power supply unit logic chart of the present invention.
Figure 16 is 2# on off states uploading unit logic chart of the present invention.
Figure 17 is 2# multifunctional measurement and control modules communication unit logic chart of the present invention.
Figure 18 is 2# circuit breaker control units logic chart of the present invention.
Figure 19 is that 2# of the present invention hauls oneself willingly into runback cellular logic figure.
Figure 20 is 2# locking units logic chart of the present invention.
Figure 21 is mother current sampling unit logic chart of the present invention.
Figure 22 is mother voltage sampling unit of the present invention.
Figure 23 is mother multifunctional measurement and control module power supply unit logic chart of the present invention.
Figure 24 is bus connection switch state uploading unit logic chart of the present invention.
Figure 25 is mother multifunctional measurement and control module communication unit of the present invention.
Figure 26 is busbar breaker control unit logic chart of the present invention.
Figure 27 is mother locking unit logic chart of the present invention.
Figure 28 is power supply switch unit logic chart of the present invention.
Non-ensured load cellular logic figure is cut when Figure 29 hauls oneself willingly into for the present invention by force.
Specific implementation mode
Embodiment 1, one kind hauling oneself willingly into runback control system, are 1# incoming line cabinets, mother cabinet, 2# referring to Fig.1, Fig. 2, Fig. 3, Fig. 4 Incoming line cabinet is connect by bus with backstage automatic safety device, and 1# voltage sampling units, 1# electric currents are adopted in the 1# incoming line cabinets Sample unit, 1# multifunctional measurement and control modules power supply unit, 1# on off states uploading unit are communicated with 1# multifunctional measurement and control modules respectively Unit connects, and 1# multifunctional measurement and control module communication units connect 1# circuit breaker control units, and 1# voltage sampling units connect 1# certainly Runback unit is thrown, 1# hauls oneself willingly into runback unit connection 1# circuit breaker control units, and mother cabinet power supply switch unit is separately connected 1# certainly Throw runback unit, 1# circuit breaker control units, 1# multifunctional measurement and control module power supply units, the 2# locking units of 2# incoming line cabinets, mother Connection cabinet locking unit connect respectively with 1# circuit breaker control units, 1# locking units respectively with the 2# breaker controls of 2# incoming line cabinets The circuit breaker control unit connection of unit, mother cabinet processed;
2# voltage sampling units, 2# current sampling units, 2# multifunctional measurement and control module power supply lists in the 2# incoming line cabinets Member, 2# on off states uploading unit are connect with 2# multifunctional measurement and control module communication units respectively, the communication of 2# multifunctional measurement and control modules Unit connects 2# circuit breaker control units, and 2# voltage sampling units connection 2# hauls oneself willingly into runback unit, and 2# hauls oneself willingly into the connection of runback unit 2# circuit breaker control units, mother cabinet power supply switch unit are separately connected 2# and haul oneself willingly into runback unit, 2# circuit breaker control units, 2# Multifunctional measurement and control module power supply unit, the 1# locking units of 1# incoming line cabinets, the locking unit of mother cabinet respectively with 2# breaker controls Unit processed connection, 2# locking units respectively with the 2# circuit breaker control units of 1# incoming line cabinets, the circuit breaker control unit of mother cabinet Connection;
Voltage sampling unit, current sampling unit, multifunctional measurement and control module power supply unit, switch shape in the mother cabinet State uploading unit is connect with multifunctional measurement and control module communication unit respectively, and multifunctional measurement and control module communication unit connects breaker control Unit processed, power supply switch unit are connect with multifunctional measurement and control module power supply unit, circuit breaker control unit respectively, locking unit point It is not connect with the 2# circuit breaker control units of the 1# circuit breaker control units of 1# incoming line cabinets, 2# incoming line cabinets, circuit breaker control unit Connect respectively with the 2# locking units of the 1# locking units of 1# incoming line cabinets, 2# incoming line cabinets, power supply switch unit respectively with 1# inlet wires 1# circuit breaker control units, 1# multifunctional measurement and control modules power supply unit, 2# circuit breaker control units, the 2# of 2# incoming line cabinets of cabinet are more Function control module power supply unit connects, and cuts non-ensured load unit connection non-ensured load circuit when hauling oneself willingly by force;
The primary voltage signal of 1# incoming line cabinets, 2# incoming line cabinets is acquired by voltage sampling unit, is realized in 1# inlet wires or 2# Failure side lead-in circuit breaker is automatically cut off in the case of inlet wire failure, busbar breaker is put into, when 1# inlet wires or 2# incoming powers After recovery, busbar breaker is automatically cut off, puts into lead-in circuit breaker, and can will be collected by respective multifunctional measurement and control module 1# incoming line cabinets, mother cabinet, the current signal of 2# incoming line cabinets, voltage signal and breaker the electric network informations such as on off state, Using the communication unit of multifunctional measurement and control module, backstage automatic safety device is uploaded to by bus respectively, and receives backstage and pacifies The control division instruction that full-automatic device is passed back to;It hauls oneself willingly into runback by the change-over switch realization for being arranged in mother cabinet, haul oneself willingly into not The conversion of the multiple functions patterns such as the manual, remote control of runback, switchgear.
Embodiment 2, one kind hauling oneself willingly into runback control system, referring to figs. 1 to Figure 27, be on the basis of embodiment 1, it is described 1# multifunctional measurement and control module power supply units are that the 1 of multifunctional measurement and control module 1PD, 2 ends connect the firewire of alternating current, zero curve respectively;
The 1# current sampling units be 5,7,9 ends of multifunctional measurement and control module 1PD, current transformer 1TAa, 1TAb, It is grounded after the ends the S2 short circuit of 1Tac, 4,6,8 ends of multifunctional measurement and control module 1PD meet current transformer 1TAa, 1TAb, 1Tac respectively The ends S1;
The 1# on off state uploading units are the 5 of the 71 termination intermediate relay 1KA5 of multifunctional measurement and control module 1PD 7 ends of terminal, 72 termination intermediate relay 1KA2,9 ends of intermediate relay 1KA5, the 11 end 1PD of intermediate relay 1KA2 70 end short circuits;
The 1# voltage sampling units are that 11,12,13 ends of multifunctional measurement and control module 1PD concatenate fuse respectively A, B, the C-terminal of lead-in circuit breaker 1QF are reconnected after 1FU1,1FU2,1FU3,14 ends of multifunctional measurement and control module 1PD and inlet wire are disconnected The coil of the N-terminal short circuit of road device 1QF, voltage relay 1KV1 is connected between the A of lead-in circuit breaker 1QF, C-terminal, voltage relay The coil of 1KV2 is connected between the end A, B of lead-in circuit breaker 1QF;
The 1# multifunctional measurement and control module communication units are that 58,59,60 ends of multifunctional measurement and control module 1PD are respectively turned on Interrogate A1+, A1-, the shielded layer of line;
The 1# haul oneself willingly into runback unit be the normally-closed contact of voltage relay 1KV1, voltage relay 1KV1 it is normally opened touch The other end of the firewire of the parallel end connection three-phase alternating current of point, the normally-closed contact of voltage relay 1KV1 concatenates voltage relay The normally-closed contact of 1KV2, the coil of time relay 1KT1 are followed by zero curve, the normally-closed contact of intermediate relay 1KA1, intermediate relay The normally-closed contact of device 1KA2, the normally opened contact of time relay 1KT3, intermediate relay 1KA3 coil tandem after when being connected in parallel on Between relay 1KT1 coil both ends, the other end concatenation voltage relay 1KV2's of the normally opened contact of voltage relay 1KV1 is normal Open contact, the normally-closed contact of intermediate relay 1KA1, time relay 1KT2 coil be followed by zero curve, intermediate relay 1KA4's Coils from parallel connection of coils is at the coil both ends of time relay 1KT2;
The 1# locking units be 5 ends of intermediate relay 1KA4 with the 3 end short circuits of intermediate relay 1KA3 be followed by 10 ends of mother cabinet change-over switch SA, 9 ends of intermediate relay 1KA4 are connected to 13 ends of mother cabinet change-over switch SA, 1KA3's 11 ends are connected to 23 ends of 2# lead-in circuit breakers 2QF, 12 ends of intermediate relay 1KA2 and the 24 end short circuits of 1# lead-in circuit breakers 1QF It is followed by 13 ends of mother cabinet 3SB1,4 ends of intermediate relay 1KA2 are connected with 12 ends of 2# inlet wires 2KA2,1# lead-in circuit breakers 23 ends of 1QF are connect with 11 ends of 2# inlet wires 2KA3, and 12 ends of 1# lead-in circuit breakers 1QF are connected to the ends C1 of busbar breaker 3QF, 21 ends of 1# lead-in circuit breakers 1QF are connected to 10 ends of 2# inlet wires 2KA2, and 22 ends of 1# lead-in circuit breakers 1QF are connected to 2# inlet wires and break The ends C1 of road device 2QF;
The 1# circuit breaker control units are that the firewire L01 concatenations fuse 1FU4 of three-phase alternating current is followed by inlet wire open circuit The ends U1 of device 1QF, 95 ends, 13 ends, intermediate relay 1KA1 normally-closed contact parallel connected end, the normally-closed contact of intermediate relay 1KA1 Another termination separating brake indicator light 1HG, lead-in circuit breaker 1QF C1 termination mother cabinet busbar breaker 3QF normally-closed contact, The normally-closed contact parallel connected end of the lead-in circuit breaker 2QF of 2# incoming line cabinets, the normally-closed contact of the busbar breaker 3QF of mother cabinet, 2# into The normally-closed contact of the other end concatenation intermediate relay 1KA2 of the normally-closed contact parallel connected end of the lead-in circuit breaker 2QF of line cabinet be followed by by The parallel connected end at 16 ends of button 1SB1,16 feet of multifunctional measurement and control module 1PD, mother cabinet, another termination mother cabinet of button 1SB1 6 ends and button 1SB2 one end, 15, the 17 foot short circuits of multifunctional measurement and control module 1PD are followed by 2 ends of mother cabinet, mother cabinet The normally opened contact of 15 ends concatenation time relay 1KT2 is followed by 10 end of mother cabinet and the normally opened contact of time relay 1KT1, time The normally opened contact of relay 1KT1, the 18 foot parallel end connection lead-in circuit breaker 1QF of button 1SB2, multifunctional measurement and control module 1PD The ends C11, the normally-closed contact of the C2 termination intermediate relays 1KA1 of lead-in circuit breaker 1QF, C12 terminate the normal of intermediate relay 1KA1 Open contact, the coil of 98 termination intermediate relay 1KA2, the parallel connected end of malfunction indicator lamp 1HY, 14 termination intermediate relay 1KA1, The parallel connected end of 1KA5, the coil of time relay 1KT3, combined floodgate indicator light 1HR, the ends U2, the normally closed of intermediate relay 1KA1 are touched Point, the normally opened contact of intermediate relay 1KA1, the coil of intermediate relay 1KA2, malfunction indicator lamp 1HY, separating brake indicator light 1HG, Another terminal connecting zero line of intermediate relay 1KA1,1KA5, the coil of time relay 1KT3, combined floodgate indicator light 1HR;
The 2# multifunctional measurement and control modules power supply unit is that the 1 of multifunctional measurement and control module 2PD, 2 ends connect alternating current respectively Firewire, zero curve;
The 2# current sampling units be 5,7,9 ends of multifunctional measurement and control module 2PD, current transformer 2TAa, 2TAb, It is grounded after the ends the S2 short circuit of 2Tac, 4,6,8 ends of multifunctional measurement and control module 2PD meet current transformer 2TAa, 2TAb, 2Tac respectively The ends S1;
The 2# on off state uploading units are the 5 of the 71 termination intermediate relay 2KA5 of multifunctional measurement and control module 2PD End, 72 termination intermediate relay 2KA2 7 ends, it is 9 ends of intermediate relay 2KA5,11 ends of intermediate relay 2KA2, multi-functional The 70 end short circuits of control module 2PD;
The 2# voltage sampling units are that 11,12,13 ends of multifunctional measurement and control module 2PD concatenate fuse respectively A, B, the C-terminal of lead-in circuit breaker 2QF are reconnected after 2FU1,2FU2,2FU3,14 ends of multifunctional measurement and control module 2PD and inlet wire are disconnected The coil of the N-terminal short circuit of road device 2QF, voltage relay 2KV1 is connected between the A of lead-in circuit breaker 2QF, C-terminal, voltage relay The coil of 2KV2 is connected between the end A, B of lead-in circuit breaker 2QF;
The 2# multifunctional measurement and control module communication units are that 58,59,60 ends of multifunctional measurement and control module 2PD are respectively turned on Interrogate line A2+, A2-, shielded layer;
The 2# haul oneself willingly into runback unit be the normally-closed contact of voltage relay 2KV1, voltage relay 2KV1 it is normally opened touch The other end of the firewire of the parallel end connection three-phase alternating current of point, the normally-closed contact of voltage relay 2KV1 concatenates voltage relay The normally-closed contact of 2KV2, the coil of time relay 2KT1 are followed by zero curve, the normally-closed contact of intermediate relay 2KA1, intermediate relay The normally-closed contact of device 2KA2, the normally opened contact of time relay 2KT3, intermediate relay 2KA3 coil tandem after when being connected in parallel on Between relay 2KT1 coil both ends, the other end concatenation voltage relay 2KV2's of the normally opened contact of voltage relay 2KV1 is normal Open contact, the normally-closed contact of intermediate relay 2KA1, time relay 2KT2 coil be followed by zero curve, intermediate relay 2KA4's Coils from parallel connection of coils is at the coil both ends of time relay 2KT2;
The 2# locking units are that 5 ends of intermediate relay 2KA4 and the 3 end short circuits of 2KA3 are followed by mother cabinet converting 10 ends of switch SA, 9 ends of 2KA4 are connected to 13 ends of mother cabinet change-over switch SA, 11 ends and the 1# inlet wires of intermediate relay 2KA3 23 ends of breaker 1QF are connected, 4 ends of intermediate relay 2KA2 and the 11 end short circuits of 2# lead-in circuit breakers 2QF be followed by 1# into 11 ends of line breaker 1QF, 23 ends of 2# lead-in circuit breakers 2QF are connected to 11 ends of 1# inlet wires 1KA3, and 24 ends of 2QF are connected to mother 12 ends at 13 ends of cabinet 3SB1,2# lead-in circuit breakers 2QF are connected to the ends C1 of busbar breaker, and 12 ends of 2KA2 are connected to 1# inlet wires 4 ends of 1KA2,12 ends of 2# lead-in circuit breakers 2QF are connected with the ends C1 of busbar breaker 3QF, and the 21 of 2# lead-in circuit breakers 2QF 10 ends of 1# inlet wires 2KA2 are connected to, 22 ends of 2# lead-in circuit breakers 2QF are connected to the ends C1 of 1# lead-in circuit breakers 1QF;
The 2# circuit breaker control units are that the firewire L01 concatenations fuse 2FU4 of three-phase alternating current is followed by inlet wire open circuit The ends U1 of device 2QF, 95 ends, 13 ends, intermediate relay 2KA1 normally-closed contact parallel connected end, the normally-closed contact of intermediate relay 2KA1 Another termination separating brake indicator light 2HG, lead-in circuit breaker 2QF C1 termination mother cabinet busbar breaker 3QF normally-closed contact, The normally-closed contact parallel connected end of the lead-in circuit breaker 1QF of 1# incoming line cabinets, the normally-closed contact of the busbar breaker 3QF of mother cabinet, 1# into The normally-closed contact of the other end concatenation intermediate relay 2KA2 of the normally-closed contact parallel connected end of the lead-in circuit breaker 1QF of line cabinet be followed by by The parallel connected end at 16 ends of button 2SB1,16 feet of multifunctional measurement and control module 2PD, mother cabinet, another termination mother cabinet of button 2SB1 6 ends and button 2SB2 one end, 15, the 17 foot short circuits of multifunctional measurement and control module 2PD are followed by 2 ends of mother cabinet, mother cabinet The normally opened contact of 15 ends concatenation time relay 2KT2 is followed by 10 end of mother cabinet and the normally opened contact of time relay 2KT1, time The normally opened contact of relay 2KT1, the 18 foot parallel end connection lead-in circuit breaker 2QF of button 2SB2, multifunctional measurement and control module 2PD The ends C11, the normally-closed contact of the C2 termination intermediate relays 2KA1 of lead-in circuit breaker 2QF, C12 terminate the normal of intermediate relay 2KA1 Open contact, the coil of 98 termination intermediate relay 2KA2, the parallel connected end of malfunction indicator lamp 2HY, 14 termination intermediate relay 2KA1, The parallel connected end of 2KA5, the coil of time relay 2KT3, combined floodgate indicator light 2HR, the ends U2, the normally closed of intermediate relay 2KA1 are touched Point, the normally opened contact of intermediate relay 2KA1, the coil of intermediate relay 2KA2, malfunction indicator lamp 2HY, separating brake indicator light 2HG, Another terminal connecting zero line of intermediate relay 2KA1,2KA5, the coil of time relay 2KT3, combined floodgate indicator light 2HR;
The multifunctional measurement and control module power supply unit is that the 1 of multifunctional measurement and control module 3PD, 2 ends connect the fire of alternating current respectively Line, zero curve;
The current sampling unit be multifunctional measurement and control module 3PD 5,7,9 ends and current transformer 3TAa, 3TAb, It is grounded after the ends the S2 short circuit of 3Tac, 4,6,8 ends of 3PD connect the ends S1 of current transformer 3TAa, 3TAb, 3Tac respectively;
The on off state uploading unit is that 71,72,73 ends of multifunctional measurement and control module 3PD meet breaker 3QF respectively 24 ends, 5 ends of normally opened contact of intermediate relay 3KA2, change-over switch SA 4 ends, 23 ends of breaker 3QF, intermediate relay The 70 end short circuits at 9 ends of device 3KA2,3 ends of change-over switch SA and breaker 3PD;
The voltage sampling unit be multifunctional measurement and control module 3PD 11,12,13 ends respectively by fuse 3FU1, A, B, the C-terminal of breaker 3QF are reconnected after 3FU2,3FU3,14 ends of multifunctional measurement and control module 3PD and the N-terminal of breaker 3QF are short It connects;
The multifunctional measurement and control module communication unit is that 58,59,60 ends of multifunctional measurement and control module 3PD are respectively turned on news Line A3+, A3-, shielded layer;
The locking unit is that 15 ends of change-over switch SA are connected to 5 ends of 1# inlet wires 1KT2,16 ends of SA be connected to 1# into 13 ends of line 1SB1,11 ends of busbar breaker 3QF are connected to 10 ends of 1# inlet wires 1KA2, and 12 ends of busbar breaker 3QF are connected to The ends C1 of 1# lead-in circuit breakers 1QF, 17 ends of change-over switch SA are connected to 5 ends of 2# inlet wires 2KT2, and 18 ends of SA are connected to 2# inlet wires 13 ends of 2SB1,21 ends of busbar breaker 3QF are connected to 10 ends of 2# inlet wires 2KA2, and 22 ends of busbar breaker 3QF are connected to 2# The ends C1 of lead-in circuit breaker 2QF;
The both ends difference for cutting 3 normally opened contacts that non-ensured load unit is intermediate relay 3KA3 when hauling oneself willingly by force It is connected to non-ensured load circuit;
The power supply switch unit is firewire 2L1 concatenation fuses 3FU5, the intermediate relay KA of three-phase alternating current Normally-closed contact is followed by power firestreak L01, and one group of normally-closed contact of zero curve 2N1 concatenation intermediate relays KA is followed by zero-power line N01, The firewire 1L1 concatenation fuses 3FU6 of three-phase alternating current, the normally opened contact of intermediate relay KA are followed by power firestreak L01, zero curve Another group of normally opened contact of 1N1 concatenation intermediate relays KA is followed by zero-power line N01, and the coil of intermediate relay KA is connected to fire Between line 1L1, zero curve 1N1;
The circuit breaker control unit of the mother cabinet is that the firewire L01 concatenations fuse 3FU4 of three-phase alternating-current supply is followed by The ends U1,95 ends, 13 ends, the normally-closed contact of intermediate relay 3KA1,11 ends of change-over switch SA of busbar breaker 3QF are in parallel End, the 12 ends concatenation of another termination separating brake indicator light 3HG of the normally-closed contact of intermediate relay 3KA1, change-over switch SA it is intermediate after The normally opened contact of electric appliance 3KA1 is followed by the coil of intermediate relay 3KA3, and the C1 of busbar breaker 3QF terminates 1# incoming line cabinet inlet wires The parallel connected end of the normally-closed contact of breaker 1QF, the normally-closed contact of 2# incoming line cabinet lead-in circuit breakers 2QF, lead-in circuit breaker 1QF, 2QF The normally-closed contact of other end concatenation 2# incoming line cabinet intermediate relays 2KA2 of parallel connected end, 1# incoming line cabinet intermediate relays 1KA2 Normally-closed contact, button 3SB1 are followed by 6 ends of change-over switch SA, 16 termination button 3SB1,1# inlet wires of multifunctional measurement and control module 3PD Among the normally-closed contact of cabinet intermediate relay 1KA2,15 end short circuit, 17 end and 2 ends for meeting change-over switch SA, 18 termination change-over switches The ends C11 at 14 ends of SA, one end of button 3SB2 and busbar breaker 3QF, the 10 of change-over switch SA terminates in 1# incoming line cabinets Between the normally-closed contact of relay 1KA3, the normally opened contact of 1KA4,2# incoming line cabinets intermediate relay 2KA3 normally-closed contact, 2KA4 Normally opened contact parallel connected end, the normally-closed contact other end concatenation 2# incoming line cabinets inlet wires open circuit of the intermediate relay 1KA3 of 1# incoming line cabinets The normally opened contact of device 2QF is followed by 16 ends of mother cabinet multifunctional measurement and control module 3PD, and the intermediate relay 2KA3's of 2# incoming line cabinets is normal The normally opened contact of closed contact other end concatenation 1# incoming line cabinet lead-in circuit breakers 1QF is followed by mother cabinet multifunctional measurement and control module 3PD's 16 ends, 13 ends of the normally opened contact parallel end connection change-over switch SA of intermediate relay 1KA4,2KA4, the C2 of busbar breaker 3QF The normally-closed contact of intermediate relay 3KA1 is terminated, C12 terminates the normally opened contact of intermediate relay 3KA1,98 termination intermediate relays The coil of 3KA2, the parallel connected end of malfunction indicator lamp 3HY, 14 terminate the parallel connected end of intermediate relay 3KA1, combined floodgate indicator light 3HR, The ends U2, the normally-closed contact of intermediate relay 3KA1, the normally opened contact of intermediate relay 3KA1, intermediate relay 3KA2 coil, Another termination of malfunction indicator lamp 3HY, separating brake indicator light 3HG, the coil of intermediate relay 3KA1,3KA3, combined floodgate indicator light 3HR Zero curve N01.
Working principle of the present invention is as follows:
As shown in Figure 10, Figure 18 and Figure 26, when change-over switch SA pushes remote control position, system can pass through multifunctional measurement and control Module 1PD, 2PD, 3PD control inlet wire bus connection switch, in addition as shown in Figure 1, multifunctional measurement and control module 1PD, 2PD, 3PD The electric network informations such as the switch state of collected voltage, electric current and inlet wire bus connection switch 1QF, 2QF, 3QF can also be passed through Bus communication system uploads to automatic safety device, and automatic safety device is by collected real-time grid information content, carrying out Calculate analysis, can accurately judge power supply status, and implement Switching power, and with on-line operation Stateful Inspection, remote control and Event recording function.
As shown in Figure 10, Figure 18 and Figure 26, when change-over switch SA pushes manual position, system can by button 1SB1, 1SB2,2SB1,2SB2,3SB1,3SB2 control inlet wire bus connection switch 1QF, 2QF, 3QF at switchgear scene, work as conversion When switch SA pushes zero-bit, lockable all operations.
When change-over switch SA, which is pushed, hauls oneself willingly into runback position, as shown in Figure 1, under normal circumstances, service entrance switch 1QF and 2QF In closed state, bus connection switch 3QF is off, as shown in fig. 6, mounted on enter line side voltage relay 1KV1, The coil of 1KV2 charges always.If after making incoming power decompression due to transformer tripping or other reasons, voltage relay 1KV1,1KV2 due to decompression respectively normally-closed contact be closed, time relay 1KT1 coils obtain it is electric, as shown in Figure 10, time relay Device 1KT1 normally opened contact timing closings make failure side service entrance switch 1QF trip, while intermediate relay 1KA1 and time relay Device 1KT3 coil losing electricities, as shown in figure 11, intermediate relay 1KA1 normally-closed contacts, which reset, to be closed, and intermediate relay 1KA3 coils obtain Electricity, after starting prepared auto restart, the delay of time relay 1KT3 normally opened contacts disconnects, and as shown in figure 26, intermediate relay 1KA3 is normally opened Contact closure makes bus connection switch 3QF close a floodgate, and prepared auto restart process is completed.After faulty line voltage restores normal, such as Figure 11 institutes Show, voltage relay 1KV1,1KV2 obtain electric closure since voltage restores normal respectively normally opened contact, and time relay 1KT2 is in Between relay 1KA4 coils obtain electric, as shown in figure 26, intermediate relay 1KA4 normally opened contacts are instantaneously closed, and make bus connection switch 3QF Separating brake, as shown in Figure 10, time relay 1KT2 normally opened contact timing closings make service entrance switch 1QF close a floodgate, and runback process is complete It is identical as 1# inlet wires that runback process is hauled oneself willingly at, 2# inlet wires, referring to Figure 18, Figure 19 and Figure 26.
When change-over switch SA, which is pushed, hauls oneself willingly into not runback position, as shown in Figure 10, Figure 18, Figure 26, pass through change-over switch SA The sub-gate circuit of the closing circuit bus connection switch 3QF of service entrance switch 1QF or 2QF are latched, make it that can not carry out runback operation.
Only after working power is by reliable disconnect, stand-by power supply could be put into, and prevented stand-by power supply He Zhong Library, carried The success rate of high backup auto-activating device action.Backup auto-activating device after working power dead electricity through delay, though work breaker whether Tripping can first be sent out and jump work breaker order.After judging reliable tripping according to its auxiliary contact, then close stand-by power supply.
Before prepared auto restart closes stand-by power supply, in addition to the service entrance switch power supply of reliable tripping failure side, it can also join and cut on working bus bar Non-ensured load.As shown in figure 26, when prepared auto restart starts, intermediate relay 3KA3 coils obtain electric, then pass through Figure 29 institutes The normally opened contact of the intermediate relay 3KA3 shown is connected to non-ensured load control loop, makes non-ensured load when prepared auto restart is put into Tripping.
Prepared auto restart prevents malfunction outer, is also equipped with the function of fail lockout prepared auto restart, such as scheme except having corresponding locking Shown in 26, when circuit overload, intermediate relay 3KA1 disconnects control loop, makes prepared auto restart that can not act on inlet wire and mother Connection switch.
Autogamy power supply handoff functionality of the present invention, as shown in figure 28, when arbitrarily inlet wire has electricity all the way, power cord L01 and N01 has electricity, and control power supply guarantee is provided for the system.

Claims (1)

1. one kind hauling oneself willingly into runback control system, 1# incoming line cabinets, mother cabinet, 2# incoming line cabinets pass through bus and backstage automatic safety device Connection, it is characterised in that:
1# voltage sampling units, 1# current sampling units, 1# multifunctional measurement and control modules power supply unit, 1# in the 1# incoming line cabinets On off state uploading unit is connect with 1# multifunctional measurement and control module communication units respectively, and 1# multifunctional measurement and control module communication units connect 1# circuit breaker control units are connect, 1# voltage sampling units connection 1# hauls oneself willingly into runback unit, and 1# hauls oneself willingly into the connection 1# open circuits of runback unit Device control unit, mother cabinet power supply switch unit is separately connected 1#, and to haul oneself willingly into runback unit, 1# circuit breaker control units, 1# multi-functional Control module power supply unit, the 2# locking units of 2# incoming line cabinets, the locking unit of mother cabinet respectively with 1# circuit breaker control units Connection, 1# locking units are connect with the circuit breaker control unit of the 2# circuit breaker control units of 2# incoming line cabinets, mother cabinet respectively;
2# voltage sampling units, 2# current sampling units, 2# multifunctional measurement and control modules power supply unit, 2# in the 2# incoming line cabinets On off state uploading unit is connect with 2# multifunctional measurement and control module communication units respectively, and 2# multifunctional measurement and control module communication units connect 2# circuit breaker control units are connect, 2# voltage sampling units connection 2# hauls oneself willingly into runback unit, and 2# hauls oneself willingly into the connection 2# open circuits of runback unit Device control unit, mother cabinet power supply switch unit is separately connected 2#, and to haul oneself willingly into runback unit, 2# circuit breaker control units, 2# multi-functional Control module power supply unit, the 1# locking units of 1# incoming line cabinets, the locking unit of mother cabinet respectively with 2# circuit breaker control units Connection, 2# locking units are connect with the circuit breaker control unit of the 1# circuit breaker control units of 1# incoming line cabinets, mother cabinet respectively;
Voltage sampling unit in the mother cabinet, current sampling unit, multifunctional measurement and control module power supply unit, on off state Leaflet member is connect with multifunctional measurement and control module communication unit respectively, and multifunctional measurement and control module communication unit connects breaker control list Member, power supply switch unit are connect with multifunctional measurement and control module power supply unit, circuit breaker control unit respectively, locking unit respectively with The 2# circuit breaker control units connection of the 1# circuit breaker control units, 2# incoming line cabinets of 1# incoming line cabinets, circuit breaker control unit difference Connect with the 2# locking units of the 1# locking units of 1# incoming line cabinets, 2# incoming line cabinets, power supply switch unit respectively with 1# incoming line cabinets 1# circuit breaker control units, 1# multifunctional measurement and control modules power supply unit, 2# circuit breaker control units, the 2# of 2# incoming line cabinets are multi-functional Control module power supply unit connects, and cuts non-ensured load unit connection non-ensured load circuit when hauling oneself willingly by force;
The 1# multifunctional measurement and control module power supply units are that the 1 of multifunctional measurement and control module 1PD, 2 ends connect the fire of alternating current respectively Line, zero curve;
The 1# current sampling units are 5,7,9 ends of multifunctional measurement and control module 1PD, current transformer 1TAa, 1TAb, 1Tac The ends S2 short circuit after be grounded, 4,6,8 ends of multifunctional measurement and control module 1PD meet the S1 of current transformer 1TAa, 1TAb, 1Tac respectively End;
The 1# on off state uploading units be the 71 termination intermediate relay 1KA5 of multifunctional measurement and control module 1PD 5 terminals, 7 ends of 72 termination intermediate relay 1KA2,9 ends of intermediate relay 1KA5,11 ends of intermediate relay 1KA2,1PD 70 ends Short circuit;
The 1# voltage sampling units be multifunctional measurement and control module 1PD 11,12,13 ends concatenate respectively fuse 1FU1, A, B, C-terminal, 14 ends of multifunctional measurement and control module 1PD and the lead-in circuit breaker of lead-in circuit breaker 1QF are reconnected after 1FU2,1FU3 The coil of the N-terminal short circuit of 1QF, voltage relay 1KV1 is connected between the A of lead-in circuit breaker 1QF, C-terminal, voltage relay 1KV2's Coil is connected between the end A, B of lead-in circuit breaker 1QF;
The 1# multifunctional measurement and control module communication units are that 58,59,60 ends of multifunctional measurement and control module 1PD are respectively turned on news line A1+, A1-, shielded layer;
The 1# hauls oneself willingly into the normally opened contact that runback unit is the normally-closed contact of voltage relay 1KV1, voltage relay 1KV1 The firewire of parallel end connection three-phase alternating current, the other end concatenation voltage relay 1KV2's of the normally-closed contact of voltage relay 1KV1 Normally-closed contact, time relay 1KT1 coil be followed by zero curve, normally-closed contact, the intermediate relay 1KA2 of intermediate relay 1KA1 Normally-closed contact, the normally opened contact of time relay 1KT3, be connected in parallel on time relay after the coil tandem of intermediate relay 1KA3 The coil both ends of device 1KT1, normally opened the touching of the other end concatenation voltage relay 1KV2 of the normally opened contact of voltage relay 1KV1 Point, the normally-closed contact of intermediate relay 1KA1, time relay 1KT2 coil be followed by zero curve, the coil of intermediate relay 1KA4 It is connected in parallel on the coil both ends of time relay 1KT2;
The 1# locking units are that 5 ends of intermediate relay 1KA4 are followed by with the 3 end short circuits of intermediate relay 1KA3 to mother 10 ends of cabinet change-over switch SA, 9 ends of intermediate relay 1KA4 are connected to 13 ends of mother cabinet change-over switch SA, 11 ends of 1KA3 23 ends of 2# lead-in circuit breakers 2QF are connected to, 12 ends of intermediate relay 1KA2 are followed by with the 24 end short circuits of 1# lead-in circuit breakers 1QF To 13 ends of mother cabinet 3SB1,23 ends of 1# lead-in circuit breakers 1QF are connect with 11 ends of 2# inlet wires 2KA3,1# lead-in circuit breakers 12 ends of 1QF are connected to the ends C1 of busbar breaker 3QF, and 21 ends of 1# lead-in circuit breakers 1QF are connected to 10 ends of 2# inlet wires 2KA2, 22 ends of 1# lead-in circuit breakers 1QF are connected to the ends C1 of 2# lead-in circuit breakers 2QF;
The 1# circuit breaker control units are that the firewire L01 concatenations fuse 1FU4 of three-phase alternating current is followed by lead-in circuit breaker The ends U1 of 1QF, 95 ends, 13 ends, intermediate relay 1KA1 normally-closed contact parallel connected end, the normally-closed contact of intermediate relay 1KA1 Normally-closed contact, the 2# of the busbar breaker 3QF of the C1 termination mother cabinets of another termination separating brake indicator light 1HG, lead-in circuit breaker 1QF The normally-closed contact parallel connected end of the lead-in circuit breaker 2QF of incoming line cabinet, normally-closed contact, the 2# inlet wires of the busbar breaker 3QF of mother cabinet The normally-closed contact of the other end concatenation intermediate relay 1KA2 of the normally-closed contact parallel connected end of the lead-in circuit breaker 2QF of cabinet is followed by button The parallel connected end at 16 ends of 1SB1,16 feet of multifunctional measurement and control module 1PD, mother cabinet, the 6 of another termination mother cabinet of button 1SB1 End and one end of button 1SB2,15, the 17 foot short circuits of multifunctional measurement and control module 1PD are followed by 2 ends of mother cabinet, 15 ends of mother cabinet The normally opened contact of concatenation time relay 1KT2 is followed by 10 end of mother cabinet and the normally opened contact of time relay 1KT1, time relay The C11 of the normally opened contact of device 1KT1, the 18 foot parallel end connection lead-in circuit breaker 1QF of button 1SB2, multifunctional measurement and control module 1PD End, the normally-closed contact of the C2 termination intermediate relays 1KA1 of lead-in circuit breaker 1QF, C12 terminate the normally opened of intermediate relay 1KA1 Contact, the coil of 98 termination intermediate relay 1KA2, the parallel connected end of malfunction indicator lamp 1HY, 14 termination intermediate relay 1KA1, The parallel connected end of 1KA5, the coil of time relay 1KT3, combined floodgate indicator light 1HR, the ends U2, the normally opened of intermediate relay 1KA1 touch Point, the normally-closed contact of intermediate relay 1KA1, the coil of intermediate relay 1KA2, malfunction indicator lamp 1HY, separating brake indicator light 1HG, Another terminal connecting zero line of intermediate relay 1KA1,1KA5, the coil of time relay 1KT3, combined floodgate indicator light 1HR;
The 2# multifunctional measurement and control modules power supply unit be the 1 of multifunctional measurement and control module 2PD, 2 ends connect respectively alternating current firewire, Zero curve;
The 2# current sampling units are 5,7,9 ends of multifunctional measurement and control module 2PD, current transformer 2TAa, 2TAb, 2Tac The ends S2 short circuit after be grounded, 4,6,8 ends of multifunctional measurement and control module 2PD meet the S1 of current transformer 2TAa, 2TAb, 2Tac respectively End;
The 2# on off state uploading units are 5 ends of the 71 termination intermediate relay 2KA5 of multifunctional measurement and control module 2PD, 72 Terminate 7 ends of intermediate relay 2KA2,9 ends of intermediate relay 2KA5,11 ends of intermediate relay 2KA2, multifunctional measurement and control mould The 70 end short circuits of block 2PD;
The 2# voltage sampling units be multifunctional measurement and control module 2PD 11,12,13 ends concatenate respectively fuse 2FU1, A, B, C-terminal, 14 ends of multifunctional measurement and control module 2PD and the lead-in circuit breaker of lead-in circuit breaker 2QF are reconnected after 2FU2,2FU3 The coil of the N-terminal short circuit of 2QF, voltage relay 2KV1 is connected between the A of lead-in circuit breaker 2QF, C-terminal, voltage relay 2KV2's Coil is connected between the end A, B of lead-in circuit breaker 2QF;
The 2# multifunctional measurement and control module communication units are that 58,59,60 ends of multifunctional measurement and control module 2PD are respectively turned on news line A2+, A2-, shielded layer;
The 2# hauls oneself willingly into the normally opened contact that runback unit is the normally-closed contact of voltage relay 2KV1, voltage relay 2KV1 The firewire of parallel end connection three-phase alternating current, the other end concatenation voltage relay 2KV2's of the normally-closed contact of voltage relay 2KV1 Normally-closed contact, time relay 2KT1 coil be followed by zero curve, normally-closed contact, the intermediate relay 2KA2 of intermediate relay 2KA1 Normally-closed contact, the normally opened contact of time relay 2KT3, be connected in parallel on time relay after the coil tandem of intermediate relay 2KA3 The coil both ends of device 2KT1, normally opened the touching of the other end concatenation voltage relay 2KV2 of the normally opened contact of voltage relay 2KV1 Point, the normally-closed contact of intermediate relay 2KA1, time relay 2KT2 coil be followed by zero curve, the coil of intermediate relay 2KA4 It is connected in parallel on the coil both ends of time relay 2KT2;
The 2# locking units are that 5 ends of intermediate relay 2KA4 and the 3 end short circuits of 2KA3 are followed by mother cabinet change-over switch 10 ends of SA, 9 ends of 2KA4 are connected to 13 ends of mother cabinet change-over switch SA, 11 ends and the 1# inlet wire open circuits of intermediate relay 2KA3 23 ends of device 1QF are connected, and 4 ends of intermediate relay 2KA2 are followed by disconnected to 1# inlet wires with the 11 end short circuits of 2# lead-in circuit breakers 2QF 11 ends of road device 1QF, 23 ends of 2# lead-in circuit breakers 2QF are connected to 11 ends of 1# inlet wires 1KA3, and 24 ends of 2QF are connected to mother cabinet 12 ends at 13 ends of 3SB1,2# lead-in circuit breakers 2QF are connected to the ends C1 of busbar breaker, and 12 ends of 2KA2 are connected to 1# inlet wires 1KA2 4 ends, 12 ends of 2# lead-in circuit breakers 2QF are connected with the ends C1 of busbar breaker 3QF, 21 terminations of 2# lead-in circuit breakers 2QF To 10 ends of 1# inlet wires 2KA2,22 ends of 2# lead-in circuit breakers 2QF are connected to the ends C1 of 1# lead-in circuit breakers 1QF;
The 2# circuit breaker control units are that the firewire L01 concatenations fuse 2FU4 of three-phase alternating current is followed by lead-in circuit breaker The ends U1 of 2QF, 95 ends, 13 ends, intermediate relay 2KA1 normally-closed contact parallel connected end, the normally-closed contact of intermediate relay 2KA1 Normally-closed contact, the 1# of the busbar breaker 3QF of the C1 termination mother cabinets of another termination separating brake indicator light 2HG, lead-in circuit breaker 2QF The normally-closed contact parallel connected end of the lead-in circuit breaker 1QF of incoming line cabinet, normally-closed contact, the 1# inlet wires of the busbar breaker 3QF of mother cabinet The normally-closed contact of the other end concatenation intermediate relay 2KA2 of the normally-closed contact parallel connected end of the lead-in circuit breaker 1QF of cabinet is followed by button The parallel connected end at 16 ends of 2SB1,16 feet of multifunctional measurement and control module 2PD, mother cabinet, the 6 of another termination mother cabinet of button 2SB1 End and one end of button 2SB2,15, the 17 foot short circuits of multifunctional measurement and control module 2PD are followed by 2 ends of mother cabinet, 15 ends of mother cabinet The normally opened contact of concatenation time relay 2KT2 is followed by 10 end of mother cabinet and the normally opened contact of time relay 2KT1, time relay The C11 of the normally opened contact of device 2KT1, the 18 foot parallel end connection lead-in circuit breaker 2QF of button 2SB2, multifunctional measurement and control module 2PD End, the normally-closed contact of the C2 termination intermediate relays 2KA1 of lead-in circuit breaker 2QF, C12 terminate the normally opened of intermediate relay 2KA1 Contact, the coil of 98 termination intermediate relay 2KA2, the parallel connected end of malfunction indicator lamp 2HY, 14 termination intermediate relay 2KA1, The parallel connected end of 2KA5, the coil of time relay 2KT3, combined floodgate indicator light 2HR, the ends U2, the normally opened of intermediate relay 2KA1 touch Point, the normally-closed contact of intermediate relay 2KA1, the coil of intermediate relay 2KA2, malfunction indicator lamp 2HY, separating brake indicator light 2HG, Another terminal connecting zero line of intermediate relay 2KA1,2KA5, the coil of time relay 2KT3, combined floodgate indicator light 2HR;
The multifunctional measurement and control module power supply unit is that the 1 of multifunctional measurement and control module 3PD, 2 ends meet the firewire of alternating current, zero respectively Line;
The current sampling unit is 5,7,9 ends and current transformer 3TAa, 3TAb, 3Tac of multifunctional measurement and control module 3PD The ends S2 short circuit after be grounded, 4,6,8 ends of 3PD connect the ends S1 of current transformer 3TAa, 3TAb, 3Tac respectively;
The on off state uploading unit is that 71,72,73 ends of multifunctional measurement and control module 3PD connect the 24 of breaker 3QF respectively End, 5 ends of normally opened contact of intermediate relay 3KA2, change-over switch SA 4 ends, 23 ends of breaker 3QF, intermediate relay The 70 end short circuits at 9 ends of 3KA2,3 ends of change-over switch SA and breaker 3PD;
The voltage sampling unit be multifunctional measurement and control module 3PD 11,12,13 ends respectively by fuse 3FU1,3FU2, A, B, the C-terminal of breaker 3QF, 14 ends of multifunctional measurement and control module 3PD and the N-terminal short circuit of breaker 3QF are reconnected after 3FU3;
The multifunctional measurement and control module communication unit is that 58,59,60 ends of multifunctional measurement and control module 3PD are respectively turned on news line A3 +, A3-, shielded layer;
The locking unit is that 15 ends of change-over switch SA are connected to 5 ends of 1# inlet wires 1KT2, and 16 ends of SA are connected to 1# inlet wires 13 ends of 1SB1,11 ends of busbar breaker 3QF are connected to 10 ends of 1# inlet wires 1KA2, and 12 ends of busbar breaker 3QF are connected to 1# The ends C1 of lead-in circuit breaker 1QF, 17 ends of change-over switch SA are connected to 5 ends of 2# inlet wires 2KT2, and 18 ends of SA are connected to 2# inlet wires 13 ends of 2SB1,21 ends of busbar breaker 3QF are connected to 10 ends of 2# inlet wires 2KA2, and 22 ends of busbar breaker 3QF are connected to 2# The ends C1 of lead-in circuit breaker 2QF;
The both ends for cutting 3 normally opened contacts that non-ensured load unit is intermediate relay 3KA3 when hauling oneself willingly by force are respectively connected to Non-ensured load circuit;
The power supply switch unit be the firewire 2L1 concatenation fuse 3FU5 of three-phase alternating current, intermediate relay KA it is normally closed Contact is followed by power firestreak L01, and one group of normally-closed contact of zero curve 2N1 concatenation intermediate relays KA is followed by zero-power line N01, three-phase The firewire 1L1 concatenation fuses 3FU6 of alternating current, the normally opened contact of intermediate relay KA are followed by power firestreak L01, zero curve 1N1 strings Another group of normally opened contact for meeting intermediate relay KA is followed by zero-power line N01, and the coil of intermediate relay KA is connected to firewire Between 1L1, zero curve 1N1;
The circuit breaker control unit of the mother cabinet is that the firewire L01 concatenations fuse 3FU4 of three-phase alternating-current supply is followed by mother The ends U1 of breaker 3QF, 95 ends, 13 ends, the normally-closed contact of intermediate relay 3KA1, change-over switch SA 11 end parallel connected ends, in Between relay 3KA1 normally-closed contact another termination separating brake indicator light 3HG, 12 ends of change-over switch SA concatenate intermediate relay The normally opened contact of 3KA1 is followed by the coil of intermediate relay 3KA3, the C1 termination 1# incoming line cabinets inlet wire open circuits of busbar breaker 3QF The parallel connected end of the normally-closed contact of device 1QF, the normally-closed contact of 2# incoming line cabinet lead-in circuit breakers 2QF, lead-in circuit breaker 1QF, 2QF and Join the normally-closed contact of the other end concatenation 2# incoming line cabinet intermediate relays 2KA2 at end, 1# incoming line cabinet intermediate relays 1KA2 it is normally closed Contact, button 3SB1 are followed by 6 ends of change-over switch SA, and the 16 of multifunctional measurement and control module 3PD terminates in button 3SB1,1# incoming line cabinets Between relay 1KA2 normally-closed contact among, 15 end short circuit, 17 end and 2 ends for meeting change-over switch SA, 18 termination change-over switch SA's The ends C11 at 14 ends, one end of button 3SB2 and busbar breaker 3QF, change-over switch SA 10 termination 1# incoming line cabinets centre after The normally-closed contact of electric appliance 1KA3, the normally opened contact of 1KA4, the normally-closed contact of intermediate relay 2KA3 of 2# incoming line cabinets, 2KA4 it is normal Contact shunt end is opened, the normally-closed contact other end of the intermediate relay 1KA3 of 1# incoming line cabinets concatenates 2# incoming line cabinet lead-in circuit breakers The normally opened contact of 2QF is followed by 16 ends of mother cabinet multifunctional measurement and control module 3PD, and the intermediate relay 2KA3's of 2# incoming line cabinets is normally closed The normally opened contact of contact other end concatenation 1# incoming line cabinet lead-in circuit breakers 1QF is followed by the 16 of mother cabinet multifunctional measurement and control module 3PD End, 13 ends of the normally opened contact parallel end connection change-over switch SA of intermediate relay 1KA4,2KA4, the ends C2 of busbar breaker 3QF The normally-closed contact of intermediate relay 3KA1 is connect, C12 terminates the normally opened contact of intermediate relay 3KA1,98 termination intermediate relays The coil of 3KA2, the parallel connected end of malfunction indicator lamp 3HY, 14 terminate the parallel connected end of intermediate relay 3KA1, combined floodgate indicator light 3HR, The ends U2, the normally-closed contact of intermediate relay 3KA1, the normally opened contact of intermediate relay 3KA1, intermediate relay 3KA2 coil, Another termination of malfunction indicator lamp 3HY, separating brake indicator light 3HG, the coil of intermediate relay 3KA1,3KA3, combined floodgate indicator light 3HR Zero curve N01.
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