CN217692784U - Automatic switching control device for standby power supply of regional power grid - Google Patents
Automatic switching control device for standby power supply of regional power grid Download PDFInfo
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- CN217692784U CN217692784U CN202221744035.2U CN202221744035U CN217692784U CN 217692784 U CN217692784 U CN 217692784U CN 202221744035 U CN202221744035 U CN 202221744035U CN 217692784 U CN217692784 U CN 217692784U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The utility model discloses an automatic controlling means that drops into of regional electric wire netting stand-by power supply, including being located the transformer substation of difference respectively, and interconnect's first spare power automatic switching unit and second spare power automatic switching unit, first spare power automatic switching unit and second spare power automatic switching unit both structures are the same and all include power coordinated control subassembly, connecting terminal row and signal teletransmission unit, power coordinated control subassembly's connection port passes through connecting terminal row and links to each other with the main power supply or the spare power supply of this transformer substation side, and through connecting terminal row, signal teletransmission unit links to each other with the first spare power automatic switching unit of another transformer substation or the signal teletransmission unit that the second was equipped with automatic switching unit. The utility model discloses can realize in the regional electric wire netting one main power supply source, one be equipped with the two-way control in power supply source between the different transformer substations, can realize power supply source's mutual support between two transformer substations, improve the power supply reliability of regional electric wire netting, have simple structure, communication require low, the high advantage of reliability.
Description
Technical Field
The utility model relates to a transformer substation's auxiliary assembly, concretely relates to automatic input control device of regional electric wire netting stand-by power supply.
Background
The automatic standby power switching device can realize the automatic switching of a main power supply source fault backup power supply source of the transformer substation, can effectively improve the reliability of power supply of the transformer substation, and is important secondary equipment for ensuring safe and reliable operation of a power grid. The spare power automatic switching device specified by the national ministry of academic standards has a main and spare power supply form design aiming at a transformer substation, the control of a main and spare power supply between different transformer substations in a regional power grid can not be realized, and the function of the spare power automatic switching device in the improvement of the power supply reliability of the regional power grid is difficult to exert. Therefore, it is a key technical problem to be solved urgently that a regional power grid backup automatic switching device is designed for a main power supply and a backup power supply across two substations to realize control equipment of the main power supply and the backup power supply between the two substations.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves: to the above-mentioned problem of prior art, provide an automatic controlling means that drops into of regional electric wire netting stand-by power supply, the utility model discloses can realize in the regional electric wire netting that a main power supply source, one be equipped with the bilateral control in power supply source between the different transformer substations, can realize power supply's mutual support between two transformer substations, improve the power supply reliability of regional electric wire netting, have simple structure, communication requirement low, the advantage of high reliability.
In order to solve the technical problem, the utility model discloses a technical scheme be:
the utility model provides a regional power grid stand-by power supply automatic switching control device, includes interconnect's the first spare power automatic switching unit that is used for the main power supply source and the second spare power automatic switching unit that is used for the spare power supply source, first spare power automatic switching unit and second spare power automatic switching unit are located different transformer substations respectively, first spare power automatic switching unit and second spare power automatic switching unit both structures are the same and all include power coordination control assembly, connecting terminal row and signal teletransmission unit, the connection port of power coordination control assembly links to each other with the main power supply source or the spare power supply source of this transformer substation side through connecting terminal row to and link to each other with the signal teletransmission unit of the first spare power automatic switching unit or the second spare power automatic switching unit of another transformer substation through connecting terminal row, signal teletransmission unit.
Optionally, the power supply coordination control assembly comprises a processor board card, a switching value input board card, a switching value output board card, an alternating current sampling board card and a bus board card, and the processor board card, the switching value input board card, the switching value output board card and the alternating current sampling board card are respectively in plug-in connection with the bus board card to achieve mutual communication connection through a bus on the bus board card.
Optionally, the processor board card is provided with a processor and a communication module connected to each other, and the communication module is an ethernet port in the form of an electrical port or an optical port.
Optionally, the switching value input board card at least comprises 24 switching value input channels isolated by an optical coupling loop, and 24 switching values of the 24 switching value input channels respectively comprise a remote transmission device fault, a joint-cutting I female outlet pressing plate position, a joint-cutting II female outlet pressing plate position, a jumping subsection outlet pressing plate position, a joint-sectioning outlet pressing plate position, a jumping power supply 1 outlet pressing plate position, a joint power supply 1 outlet pressing plate position, a jumping power supply 2 outlet pressing plate position, a joint power supply 2 outlet pressing plate position, a starting opposite side self-switching outlet pressing plate position, an opposite side starting self-switching, #2 main transformer protection action, #1 main transformer protection action, a power supply 1 jumping position, a power supply 1 closing position, a power supply 2 jumping position, a power supply 2 closing position, a sectioning jumping position, a sectioning closing rear position, a standby self-switching total locking, a remote operation hard pressing plate, signal resetting and a maintenance state pressing plate.
Optionally, the switching value output board card includes 16 switching value signal output channels, and the 16 switching value signals output by the 16 switching value signal output channels include a spare power automatic switching action signal, a trip section switch signal, a switch on section switch signal, a trip power supply 1 switch signal, a switch on power supply 1 switch signal, a trip power supply 2 switch signal, a switch on power supply 2 switch signal, a trip power supply 1 high-voltage side switch signal, a switch on power supply 1 high-voltage side switch signal, a trip power supply 2 high-voltage side switch signal, a switch on power supply 2 high-voltage side switch signal, a trip outlet 1, a trip outlet 2, a trip outlet 3, a trip outlet 4, and a start-opposite side automatic switching.
Optionally, the ac sampling board card includes 6 current sampling channels and 8 voltage sampling channels, and is respectively used to collect power supply incoming line 1 three-phase current, power supply incoming line 2 three-phase current, transformer substation I mother three-phase voltage, transformer substation II mother three-phase voltage, power supply incoming line 1 single-phase voltage, and power supply incoming line 2 single-phase voltage.
Optionally, the bus board card includes the integrated circuit board body and locates a plurality of slots on the integrated circuit board body, processor board card, switching value input integrated circuit board, switching value output integrated circuit board, interchange sampling board card respectively with the slot plug-in connection on the bus board card in order to realize intercommunication through the generating line on the bus board card and be connected, just one side that lies in the slot on processor board card, switching value input integrated circuit board, switching value output integrated circuit board, the interchange sampling board card all is equipped with a connecting piece in order to be used for fixing to the bus board card through the connecting piece.
Optionally, the connection terminal row includes a plurality of terminal segments, and each terminal segment is provided with a plurality of connection terminals for connecting with a main power supply or a standby power supply on the local substation side and a signal remote transmission unit on the local substation side.
Optionally, the signal remote transmission unit is an optical fiber communication module.
Optionally, the first spare power automatic switching unit and the second spare power automatic switching unit are connected through a dedicated optical fiber channel or a multiplexing optical fiber channel between the transformer substations.
Compared with the prior art, the invention mainly has the following advantages:
1. the utility model discloses an automatic controlling means that drops into of regional electric wire netting stand-by power supply is including being located the transformer substation of difference respectively, and interconnect's first spare power automatic switching unit and second spare power automatic switching unit, first spare power automatic switching unit and second spare power automatic switching unit both structures are the same and all include power coordinated control subassembly, connecting terminal row and signal teletransmission unit, the connecting port of power coordinated control subassembly passes through connecting terminal row and links to each other with the main power supply or the spare power supply of this transformer substation side, and through connecting terminal row, the signal teletransmission unit links to each other with the signal teletransmission unit of the first spare power automatic switching unit of another transformer substation or second spare power automatic switching unit, the utility model discloses can realize the two-way control of a main power supply, a spare power supply between the different transformer substations in the regional electric wire netting, can realize power supply's mutual support between two transformer substations, improve the power supply reliability of regional electric wire netting, have simple structure, the communication requirement is low, advantage that the reliability is high.
2. Based on the utility model discloses an automatic controlling means that drops into of regional electric wire netting stand-by power supply can realize between the different transformer substations a main power supply, one is equipped with transformer substation's switching value state and the two-way collection and the transmission of electric volume state in power supply, only cooperate through sending single switching value signal each other between the different transformer substations to can further utilize automatic realization to charge, the action logic that discharges and stand-by power supply automatic drop-in, realize on the basis of only mutual single switching value state between two transformer substations that two transformer substations stand and be equipped with the coordination cooperation of automatic function of dropping into.
3. The utility model discloses power coordinated control subassembly's connection port passes through connecting terminal row and links to each other with the main power supply source or the reserve power supply source of this transformer substation side to and through connecting terminal row, the signal teletransmission unit links to each other with the first signal teletransmission unit or the second of another transformer substation spare power automatic switching unit, the inside and outside wiring of each terminal secondary circuit has been made clear through connecting terminal row, the input/output interface of system has been optimized, make system installation simple, and the field debugging is more simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a topology structure of a dual substation to which the device of the embodiment of the present invention is applied.
Illustration of the drawings: 1. a power supply coordination control component; 11. a processor board card; 12. a switching value input board card; 13. a switching value output board card; 14. exchanging a sampling board card; 15. a bus board card; 2. a connection terminal row; 3. and a signal remote transmission unit.
Detailed Description
As shown in fig. 1, the embodiment provides an automatic switching control device for a regional power grid standby power supply, which includes a first backup automatic switching unit for a main power supply and a second backup automatic switching unit for a backup power supply, which are connected to each other, where the first backup automatic switching unit and the second backup automatic switching unit are respectively located in different substations, the first backup automatic switching unit and the second backup automatic switching unit are identical in structure and both include a power coordination control component 1, a connection terminal row 2, and a signal remote transmission unit 3, a connection port of the power coordination control component 1 is connected to a main power supply or a backup power supply on the side of the substation through the connection terminal row 2, and is connected to the signal remote transmission unit 3 of the first backup automatic switching unit or the second backup automatic switching unit of another substation through the connection terminal row 2 and the signal remote transmission unit 3.
As shown in fig. 1, the power supply coordination control component 1 in this embodiment includes a processor board 11, a switching value input board 12, a switching value output board 13, an ac sampling board 14, and a bus board 15, where the processor board 11, the switching value input board 12, the switching value output board 13, and the ac sampling board 14 are respectively connected to the bus board 15 in an inserting manner to achieve mutual communication connection through a bus on the bus board 15.
In this embodiment, the processor board card 11 is provided with a processor and a communication module, which are connected to each other, and the communication module is an ethernet port (RJ 45 port) in the form of an electrical port or an optical port. Specifically, in this embodiment, the processor board card 11 is provided with three ethernet ports, which support IEC61850 and IEC61870-5-103 protocols for external interfacing, and simultaneously has an independent time tick port to support time tick interfacing with an external clock, and an independent print port to implement a report printing function.
In this embodiment, the switching value input board 12 at least includes 24 switching value input channels isolated by an optical coupling loop, and 24 switching values of the 24 switching value input channels respectively include a failure of a remote transmission device, a position of a jointly-cut female I outlet pressing plate, a position of a jointly-cut female II outlet pressing plate, a position of a jump subsection outlet pressing plate, a position of a joint subsection outlet pressing plate, a position of a jump power source 1 outlet pressing plate, a position of a jump power source 2 outlet pressing plate, a position of a joint power source 2 outlet pressing plate, a position of a start-up opposite side self-switching outlet pressing plate, an opposite side start-up self-switching, a #2 main transformer protection action, a #1 main transformer protection action, a power source 1 jump position, a power source 1 closing position, a power source 2 jump position, a power source 2 closing position, a subsection jump position, a subsection closing position, a spare power self-switching total locking, a remote operation hard pressing plate, a signal resetting and a maintenance state pressing plate.
Fig. 2 is a schematic diagram of a topology structure of a dual substation applied to the device of this embodiment, including a substation a and a substation B connected to each other through a line II, a line 1 in the substation a is connected to a bus I through a 1DL circuit breaker, a line II is connected to a bus II through a 2DL circuit breaker, the bus I is connected to the bus II through a 3DL circuit breaker, a voltage UL1 of the line I is provided with a voltage transformer, the current IL1 of the line I is detected by the current transformer, a voltage transformer (1 # bus PT) is provided on the bus I to detect the voltage of the bus I, and a voltage transformer (2 # bus PT) is provided on the bus II to detect the voltage of the bus II. The topological structure of substation B is the same as substation a, and is not described herein again. Hereinafter, with reference to fig. 1 and fig. 2, the 24 switching values input into the 24 switching value input channels of the switching value input board 1 are described as follows:
the failure of the remote transmission device is an alarm signal sent after the failure of the signal transmission unit in the figure 1; the position of the co-cut I female outlet pressing plate is a position signal of the co-cut I female tripping outlet pressing plate of the device in the embodiment; the position of the jointly-cut II female outlet pressing plate is a position signal of a jointly-cut II female tripping outlet pressing plate of the device in the embodiment; the position of the outlet pressing plate of the skip section is a position signal of a hard pressing plate in an outlet circuit of the skip section breaker of the device of the embodiment; the position of the closing and dividing section outlet pressure plate is a position signal of a hard pressure plate in an outlet circuit of the closing and dividing section circuit breaker of the device; the position of an outlet pressure plate of the jump power supply 1 is a position signal of a hard pressure plate in an outlet circuit of a circuit breaker of a jump circuit I of the device; the position of an outlet pressure plate of the combined power supply 1 is a position signal of a hard pressure plate in an outlet loop of a circuit breaker I of the combined circuit of the device; the position of an outlet pressure plate of the trip power supply 2 is a position signal of a hard pressure plate in an outlet loop of a circuit breaker II of the trip circuit of the device; the position of an outlet pressing plate of the power on source 2 is a position signal of a hard pressing plate in an outlet loop of a circuit breaker II of the device in the embodiment; starting the position of the pressing plate at the opposite side automatic casting outlet, namely sending a position signal of a hard pressing plate in a signal loop of starting the opposite side automatic casting for the device of the embodiment; the opposite side starting automatic switching is a switching value signal which is sent to the current spare automatic switching by the opposite side spare automatic switching and is used for starting the action of the current spare automatic switching; #2 Main protection action as the protection action signal connected to the II bus transformer in FIG. 2; #1 Main protection action as the protection action signal connected to the I bus transformer in FIG. 2; the power supply 1 jump position is a branch position signal of the 1DL circuit breaker in the figure 2; the position of the power supply 1 after closing is a manual closing signal of a 1DL circuit breaker in the figure 2; the power supply 2 jump position is a branch position signal of the 2DL circuit breaker in the figure 2; the position of the power supply 2 after closing is a manual closing signal of the 2DL circuit breaker in the figure 2; the sectional jumping position is a sub-position signal of the 3DL circuit breaker in the figure 2; the position after the segmentation closing is a manual closing signal of the 3DL circuit breaker in the figure 2; the spare power automatic switching total locking is used for locking all switching value signals of control logic of the device of the embodiment; the remote operation hard pressing plate is a switching value signal for controlling the remote switching on and off of the soft pressing plate of the device in the embodiment; the signal is reset into a switching value signal for controlling the resetting of the device of the embodiment; the maintenance state pressing plate is a switching value signal used for controlling the device of the embodiment to be put into maintenance.
In addition to the above 24 switching values, the ports of the switching value input board 12 in this embodiment further include: the power ground, the device power (positive), the device power (negative), the open common negative, the signal common, the device fault, the abnormal operation and other signals, wherein the power ground, the device power (positive) and the device power (negative) are power supply ports of the switching value input board card 12, the open common negative and the signal common are common signals of a switching value input channel, and the device fault and the abnormal operation are open equipment state information. Correspondingly, in the present embodiment, 32 connection terminals are arranged on the connection terminal row 2 to realize connection with the input signal of the switching value input board 12, and redundant terminals are reserved.
In this embodiment, the switching value output board 13 includes 16 switching value signal output channels, the 16 switching value signals output by the 16 switching value signal output channels include a standby power automatic switching action signal, a trip section switch signal, a close section switch signal, a trip power supply 1 switch signal, a close power supply 1 switch signal, a trip power supply 2 switch signal, a close power supply 2 switch signal, a trip power supply 1 high-voltage side switch signal, a close power supply 1 high-voltage side switch signal, a trip power supply 2 high-voltage side switch signal, a close power supply 2 high-voltage side switch signal, a trip outlet 1, a trip outlet 2, a trip outlet 3, a trip outlet 4, and starting opposite side automatic switching, and the 16 switching value signal output channels all output in a differential signal manner (one signal output channel outputs two differential signals to output anti-interference and stability of signals). In this embodiment, the 16 switching values related to the switching value output board 13 are described as follows:
the spare power automatic switching action signal is a switching value signal sent out after the device of the embodiment acts; the tripping section switch signal is a switching value signal for tripping the 3DL circuit breaker in the figure 2 by the device in the embodiment; the on-off section switch signal is a switching value signal of the 3DL circuit breaker in the device of the embodiment shown in the figure 2; the switching signal of the tripping power supply 1 is a switching value signal for tripping the 1DL circuit breaker in the figure 2 by the device in the embodiment; the on-off signal of the power supply 1 is the switching value signal of the device of the embodiment for turning on the 1DL circuit breaker in the figure 2; the switching signal of the tripping power supply 2 is a switching value signal for tripping the 2DL circuit breaker in the figure 2 by the device in the embodiment; the on-off signal of the power supply 2 is the switching value signal of the device of the embodiment for turning on the 2DL circuit breaker in the figure 2; a high-voltage side switching signal of the tripping power supply 1 is a switching value signal for tripping the transformer high-voltage side circuit breaker connected to the I bus in fig. 2 by the device in the embodiment; switching on a high-voltage side switching signal of a power supply 1 is a switching value signal of a transformer high-voltage side circuit breaker connected to an I bus in the device of the embodiment shown in the figure 2; the high-voltage side switching signal of the tripping power supply 2 is a switching value signal for tripping the transformer high-voltage side circuit breaker connected to the II bus in the device of the embodiment in fig. 2; switching on a high-voltage side switching signal of a power supply 2 is a switching value signal of a high-voltage side circuit breaker of the transformer connected to the II bus in the device of the embodiment shown in the figure 2; the trip outlet 1 is the spare outlet switching value of the device for tripping the circuit breaker; the trip outlet 2 is the spare outlet switching value of the device for tripping the circuit breaker; the trip outlet 3 is a spare outlet switching value used for tripping the circuit breaker of the device of the embodiment; the trip outlet 4 is the spare outlet switching value of the device for tripping the circuit breaker; the starting of the opposite side automatic switch is a switching value signal which is used by the device of the embodiment and is sent to the opposite side spare automatic switch.
Because the 16 switching value signal output channels are all output in a differential signal mode (one signal output channel outputs two differential signals to output the anti-interference performance and stability of the signals), the switching value output board card 13 includes 32 output signals in total. Correspondingly, 32 connection terminals need to be arranged on the connection terminal row 2 to realize one-to-one connection with the 32 output signals of the switching value output board 13.
In this embodiment, the ac sampling board 14 includes 6 current sampling channels and 8 voltage sampling channels, and is used for collecting power inlet wire 1 three-phase current, power inlet wire 2 three-phase current, transformer substation I mother three-phase voltage, transformer substation II mother three-phase voltage, power inlet wire 1 single-phase voltage and power inlet wire 2 single-phase voltage respectively. Taking a substation a in the primary structure diagram of the power grid shown in fig. 2 as an example, a power inlet line 1 refers to a line I in the diagram, a power inlet line 2 refers to a line II in the diagram, a substation I bus refers to a bus connected with the line I, a substation II bus refers to a bus connected with the line II, and a three-phase current of the power inlet line 1 is a current IL1 flowing through the line I. The ac sampling board 14 includes 14 terminals in total, and correspondingly, 14 terminals need to be arranged on the connection terminal row 2 to realize one-to-one connection with the 14 terminals of the ac sampling board 14.
The bus board card 15 is used for connecting the processor board card 11, the switching value input board card 12, the switching value output board card 13 and the alternating current sampling board card 14, so as to realize transmission of digital signals among the board cards. In this embodiment, the bus board card 15 includes a board card body and a plurality of slots provided on the board card body, the processor board card 11, the switching value input board card 12, the switching value output board card 13, and the ac sampling board card 14 are respectively connected with the slots on the bus board card 15 in an inserting manner so as to realize mutual communication connection through a bus on the bus board card 15, and the processor board card 11, the switching value input board card 12, the switching value output board card 13, and one side of the ac sampling board card 14 located at the slot are all provided with a connection sheet for fixing to the bus board card 15 (or on a rack outside the bus board card 15) through the connection sheet, thereby ensuring the connection reliability of the processor board card 11, the switching value input board card 12, the switching value output board card 13, and the ac sampling board card 14.
In this embodiment, the connection terminal row 2 includes a plurality of terminal segments, and each terminal segment is provided with a plurality of connection terminals for connecting with a main power supply or a standby power supply on the local substation side and the signal remote transmission unit 3 on the local substation side. The loop signals corresponding to the internal wiring and the external wiring of each terminal in the section subsection have definite definition, and the difficulty of debugging and operation and maintenance of the device can be greatly reduced through the standardized structure.
The signal remote transmission unit 3 supports converting an input switching value signal into a digital signal and transmitting the digital signal to another transformer substation by using an optical fiber channel, and also supports converting the digital signal transmitted by another transformer substation into a switching value signal and outputting the switching value signal to a standardized terminal strip. In this embodiment, the signal remote transmission unit 3 is an optical fiber communication module. The first spare power automatic switching unit and the second spare power automatic switching unit can be connected through a special optical fiber channel or a multiplexing optical fiber channel between the transformer substations.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The automatic switching control device for the regional power grid standby power supply is characterized by comprising a first standby power automatic switching unit and a second standby power automatic switching unit, wherein the first standby power automatic switching unit and the second standby power automatic switching unit are connected with each other and used for a main power supply source, the first standby power automatic switching unit and the second standby power automatic switching unit are respectively located in different substations, the first standby power automatic switching unit and the second standby power automatic switching unit are identical in structure and respectively comprise a power supply coordination control assembly (1), a connecting terminal bar (2) and a signal remote transmission unit (3), a connecting port of the power supply coordination control assembly (1) is connected with the main power supply source or the standby power supply source on the side of the substation through the connecting terminal bar (2), and the signal remote transmission unit (3) is connected with the signal remote transmission unit (3) of the first standby power automatic switching unit or the second standby power automatic switching unit of the other substation through the connecting terminal bar (2) and the signal remote transmission unit (3).
2. The automatic input control device for the regional power grid standby power supply of claim 1, wherein the power supply coordination control component (1) comprises a processor board (11), a switching value input board (12), a switching value output board (13), an alternating current sampling board (14) and a bus board (15), and the processor board (11), the switching value input board (12), the switching value output board (13) and the alternating current sampling board (14) are respectively connected with the bus board (15) in a plugging manner so as to achieve mutual communication connection through a bus on the bus board (15).
3. The regional power grid standby power automatic switching control device according to claim 2, wherein the processor board card (11) is provided with a processor and a communication module which are connected with each other, and the communication module is an ethernet port in the form of an electrical port or an optical port.
4. The regional power grid standby power supply automatic input control device according to claim 2, wherein the switching value input board (12) comprises at least 24 switching value input channels isolated by an optical coupling loop, and the 24 switching values of the 24 switching value input channels respectively comprise a remote transmission device fault, a combined-cut I female outlet pressing plate position, a combined-cut II female outlet pressing plate position, a jumping section outlet pressing plate position, a combined section outlet pressing plate position, a jumping power supply 1 outlet pressing plate position, a combined power supply 1 outlet pressing plate position, a jumping power supply 2 outlet pressing plate position, a combined power supply 2 outlet pressing plate position, a starting opposite side self-input outlet pressing plate position, an opposite side starting self-input, a #2 protection action, a #1 main transformer protection action, a power supply 1 jumping position, a power supply 1 combining position, a power supply 2 combining position, a sectional jumping position, a sectional combining position, a standby power supply self-input total locking, a remote operation hard pressing plate, a signal resetting and a maintenance state pressing plate.
5. The regional power grid standby power supply automatic input control device according to claim 2, wherein the switching value output board (13) comprises 16 switching value signal output channels, and the 16 switching value signals output by the 16 switching value signal output channels comprise a standby power automatic input action signal, a trip section switching signal, a switch on section switching signal, a trip power supply 1 switching signal, a switch on power supply 1 switching signal, a trip power supply 2 switching signal, a switch on power supply 2 switching signal, a trip power supply 1 high-voltage side switching signal, a switch on power supply 1 high-voltage side switching signal, a trip power supply 2 high-voltage side switching signal, a switch on power supply 2 high-voltage side switching signal, a trip outlet 1, a trip outlet 2, a trip outlet 3, a trip outlet 4 and start-up opposite side automatic input.
6. The automatic input control device for the regional power grid standby power supply according to claim 2, wherein the alternating current sampling board card (14) comprises 6 current sampling channels and 8 voltage sampling channels, and the current sampling channels are respectively used for collecting power inlet wire 1 three-phase current, power inlet wire 2 three-phase current, transformer substation I mother three-phase voltage, transformer substation II mother three-phase voltage, power inlet wire 1 single-phase voltage and power inlet wire 2 single-phase voltage.
7. The automatic local power grid standby power supply input control device according to claim 2, wherein the bus board card (15) comprises a board card body and a plurality of slots formed in the board card body, the processor board card (11), the switching value input board card (12), the switching value output board card (13) and the alternating current sampling board card (14) are respectively connected with the slots formed in the bus board card (15) in an inserting manner so as to achieve mutual communication connection through buses on the bus board card (15), and connecting pieces are arranged on one sides of the processor board card (11), the switching value input board card (12), the switching value output board card (13) and the alternating current sampling board card (14) and located in the slots and used for being fixed to the bus board card (15) through the connecting pieces.
8. The automatic local power grid standby power supply switching control device according to claim 1, wherein the connection terminal row (2) comprises a plurality of terminal sections, each terminal section is provided with a plurality of connection terminals for connecting with a main power supply or a standby power supply on the local substation side and the signal remote transmission unit (3) on the local substation side.
9. The regional power grid standby power automatic switching control device according to claim 1, wherein the signal remote transmission unit (3) is an optical fiber communication module.
10. The automatic input control device for the regional power grid standby power supply according to claim 9, wherein the first automatic standby power switching unit and the second automatic standby power switching unit are connected through a dedicated optical fiber channel or a multiplexing optical fiber channel between the transformer stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221744035.2U CN217692784U (en) | 2022-07-06 | 2022-07-06 | Automatic switching control device for standby power supply of regional power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221744035.2U CN217692784U (en) | 2022-07-06 | 2022-07-06 | Automatic switching control device for standby power supply of regional power grid |
Publications (1)
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