CN218161825U - System for on-line connection expansion device of diesel storage complementary mobile power supply - Google Patents
System for on-line connection expansion device of diesel storage complementary mobile power supply Download PDFInfo
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- CN218161825U CN218161825U CN202221343178.2U CN202221343178U CN218161825U CN 218161825 U CN218161825 U CN 218161825U CN 202221343178 U CN202221343178 U CN 202221343178U CN 218161825 U CN218161825 U CN 218161825U
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Abstract
The utility model relates to a system of complementary portable power source on-line connection extension fixture of diesel oil storage, adopt and connect many power online extension connection and switching device in series at the front end or the rear end of the total service entrance switch of low voltage distribution box UP, utilize electric wire netting electric power supply electric control switch to pass through the power supply power line, for the power bus power supply of power consumption load power supply, the portable energy storage power source system does not have the outage simultaneously and inserts portable energy storage power source connecting terminal on line, the diesel oil power generation system does not have the outage and inserts diesel oil power generation source connecting terminal on line; the online connection controller monitors voltage, frequency and phase parameters of a power grid and a diesel power generation system through the 1 st and the 2 nd power sampling sensors respectively, controls the synchronization of the mobile energy storage power supply system and the power grid and the synchronization of the mobile energy storage power supply system and the diesel power generation system, controls the on-off of corresponding switches according to a set control sequence, realizes the non-power-off operation and online access and switching, and is a device with high practical value for the non-power-off operation online connection and switching.
Description
Technical Field
The utility model belongs to the technical field of electrical power generating system connects the power supply on line, concretely relates to firewood stores up complementary portable power source on line connection extension fixture's system.
Background
The method for solving the problem of electric power flexibility regulation capability is one of major core technologies for constructing a novel electric power system, particularly needs emergency capacity expansion and local peak shaving, provides temporary power supply for power grid platform area maintenance, adopts a mobile bidirectional power supply system meeting dynamic access and switching of electric power grid flexibility, and is one of ways for rapidly and effectively improving the electric power flexibility regulation capability. On the other hand, in order to better provide power guarantee capability, the national power grid greatly advances 'canceling distribution network planned power failure operation', and the uninterrupted operation of power loads in low-voltage transformer areas is already popularized in various places; various online power access realization modes appear, for example, if serial connection and synchronous grid connection are adopted, the field access operation needs to be completed by short-time power failure, and the aims of automatic and uninterrupted power control and operation cannot be realized; and the switch is switched by the quick switch, so that millisecond-level short-time power failure exists, and the risk of load fault is increased.
In order to solve the problems in the prior art, further simplify the steps of live working, increase the application scenes of uninterrupted working, and improve the reliability and safety of uninterrupted switching, the national intellectual property office discloses a system and a method for rapidly switching uninterrupted working (CN 113452076B), and the scheme adopts a mode of additionally arranging equipment of the system for rapidly switching uninterrupted working to carry out uninterrupted working; the technical characteristics are that two bypass power supply paths with an alternative disconnection switch are additionally arranged for an original power supply system at the same time, and the bypass power supply path comprises: the system comprises a transformer, a low-voltage distribution box, a mobile power generation car, a breaker Q1, a breaker Q2, a change-over switch TSE1, a change-over switch TSE2, a solid-state electronic switch G1, a main control unit M1, a current sensor CT1 and a current sensor CT2, obviously, the scheme has obvious defects and shortcomings, not only a large number of electrical components are added, but also the system architecture and control are complex and high in cost; particularly, the system structure and the connection relation of the scheme are complex, and the obvious defect that manual matching operation is needed for power switching exists, and the power switching process of the scheme needs to be matched by manual operation, for example, a … closing circuit breaker Q1 in the scheme is communicated with a mains supply bypass power supply loop; at the moment, the total incoming line switch of the manual opening low-voltage distribution box P1 is adopted, and at the moment, the load is supplied by a bypass through the circuit breaker Q1 and the change-over switch TSE 1.
Disclosure of Invention
In order to solve the defect and not enough that exist among the prior art, effectively realize not having the target of the online access portable power source that does not have a power failure, the utility model provides a system of complementary portable power source on-line connection extension device is stored up to firewood, include: the system comprises a diesel power generation system, an online connection controller, an online energy storage switching electric control switch, an online energy storage power supply expansion power line, an online diesel power generation switching electric control switch, a mobile expansion power supply access power terminal, a mobile energy storage power supply connecting terminal, a mobile energy storage power supply system, an expansion device control line, a power grid electric power supply electric control switch, a power supply power line, a No. 1 power supply power line connecting terminal, a No. 2 power supply power line connecting terminal, an online diesel power generation source expansion power line, a diesel power generation source connecting terminal, a No. 1 power sampling sensor and a No. 2 power sampling sensor; the system is characterized in that a 1 st power supply power line connecting terminal of a multi-power supply online expansion connection and switching device is connected with a main incoming switch of a low-voltage distribution box UP, and a 2 nd power supply power line connecting terminal is connected with a power bus supplying power to an electric load; the mobile energy storage power supply system is connected with a mobile expansion power supply access power terminal of a power supply power line through a mobile energy storage power supply connecting terminal; the diesel power generation system is connected with a mobile expansion power supply access power terminal of a power supply power line through a diesel power generation source connecting terminal; and an online connection controller of the multi-power online expansion connection and switching device is respectively connected with the diesel power generation system and the mobile energy storage power system through an expansion device control line, so that a system architecture for online controlled interactive switching between the diesel power generation system and the mobile energy storage power system in a complementary expansion and uninterrupted power supply mode and a power grid is formed.
The system for the on-line connection of the diesel storage complementary mobile power supply expansion device is characterized in that a power grid electric power supply electric control switch of the multi-power supply on-line expansion connection and switching device is respectively connected with a 1 st power supply power line connecting terminal and a 2 nd power supply power line connecting terminal through power supply power lines; one end of the online energy storage switching electric control switch is connected to a power supply power line between the power supply electric control switch of the power grid and the 2 nd power supply power line connecting terminal through an online energy storage power supply expansion power line and is connected to a mobile expansion power supply connecting terminal, and the other end of the online energy storage switching electric control switch is connected to the mobile energy storage power supply connecting terminal; the 1 st power sampling sensor is connected to a power supply power line between the power grid power supply electric control switch and the 1 st power supply power line connecting terminal; one end of the online diesel power generation switching electric control switch is connected to a mobile expansion power supply on a power supply power line between the power supply electric control switch of the power grid and the 2 nd power supply power line connecting terminal through an online diesel power generation source expansion power line to be connected to a power terminal, and the other end of the online diesel power generation switching electric control switch is connected to a diesel power generation source connecting terminal; the 2 nd electric power sampling sensor is connected to an online diesel power generation source expansion power line between the online diesel power generation switching electronic control switch and the diesel power generation source connecting terminal; the online connection controller is respectively connected with an online energy storage switching electric control switch, an online diesel power generation switching electric control switch, a power grid electric power supply electric control switch, a 1 st electric power sampling sensor and a 2 nd electric power sampling sensor through an extension device control line; the multi-power supply online expansion connection and switching device with the uninterrupted operation architecture is formed.
The utility model relates to a system of complementary portable power source on-line connection extension fixture of diesel oil storage, adopt and connect many power online extension connection and switching device in series at the front end or the rear end of the total service entrance switch of low voltage distribution box UP, utilize electric wire netting electric power supply electric control switch to pass through the power supply power line, for the power bus power supply of power consumption load power supply, the portable energy storage power source system does not have the outage simultaneously and inserts portable energy storage power source connecting terminal on line, the diesel oil power generation system does not have the outage and inserts diesel oil power generation source connecting terminal on line; the online connection controller monitors the voltage, frequency and phase parameters of the power grid and the diesel power generation system in real time through the 1 st power sampling sensor and the 2 nd power sampling sensor respectively, controls the synchronization of the mobile energy storage power system and the power grid, controls the synchronization of the mobile energy storage power system and the diesel power generation system, controls the on-off of corresponding switches according to a set control sequence, realizes the uninterrupted operation and online access and switching, overcomes the defects and shortcomings of the prior art, has the advantages of simplicity, high efficiency, low cost, high safety and full automation, and is more reliable, thereby being a device with high practical value for the uninterrupted operation online connection and switching.
Drawings
Fig. 1 is a schematic diagram of a system for connecting a diesel storage complementary mobile power supply to an expansion device on line.
Fig. 2 is a schematic diagram illustrating a principle of formation of the multi-power online extension connection and switching device.
Detailed Description
The system for connecting an expansion device on line with a diesel storage complementary mobile power supply is described as an implementation example with reference to the attached drawings, however, the described implementation examples are part of the implementation examples of the invention, but not all of the implementation examples. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The technology and the scheme of the utility model are not limited to the content given in this embodiment.
As shown in fig. 1, a system for connecting an expansion device to a diesel storage complementary mobile power supply on line comprises: the system comprises a diesel power generation system (10), an online connection controller (11), an online energy storage switching electric control switch (12), an online energy storage power supply expansion power line (13), an online diesel power generation switching electric control switch (14), a mobile expansion power supply access power terminal (15), a mobile energy storage power supply connecting terminal (16), a mobile energy storage power supply system (17), an expansion device control line (18), a power grid electric power supply electric control switch (19), a power supply power line (101), a 1 st power supply power line connecting terminal (102), a 2 nd power supply power line connecting terminal (103), an online diesel power generation power supply expansion power line (104), a diesel power generation source connecting terminal (105), a 1 st electric power sampling sensor (20) and a 2 nd electric power sampling sensor (21); the system is characterized in that a 1 st power supply power line connecting terminal (102) of a multi-power supply online expansion connection and switching device (100) is connected with a main incoming switch of a low-voltage distribution box UP, and a 2 nd power supply power line connecting terminal (103) is connected with a power bus supplying power for a power load; the mobile energy storage power supply system (17) is connected with a mobile expansion power supply access power terminal (15) of a power supply power line (101) through a mobile energy storage power supply connecting terminal (16); the diesel power generation system (10) is connected with a mobile expansion power supply access power terminal (15) of a power supply power line (101) through a diesel power generation source connecting terminal (105); and an online connection controller (11) of the multi-power online expansion connection and switching device (100) is respectively connected with the diesel power generation system (10) and the mobile energy storage power system (17) through an expansion device control line (18), so that a system architecture for online controlled interactive switching with a power grid in a mode of complementary expansion and uninterrupted power supply of the diesel power generation system (10) and the mobile energy storage power system (17) is formed.
As shown in fig. 2, the system for the on-line connection of the diesel-storage complementary mobile power supply expansion device is characterized in that a power grid power supply electronic control switch (19) of the multi-power supply on-line expansion connection and switching device (100) is respectively connected with a 1 st power supply power line connection terminal (102) and a 2 nd power supply power line connection terminal (103) through power supply power lines (101); one end of the online energy storage switching electric control switch (12) is connected to a power supply power line (101) between a power grid electric power supply electric control switch (19) and a No. 2 power supply power line connecting terminal (103) through an online energy storage power supply expansion power line (13) to move an expansion power supply to be connected to a power terminal (15), and the other end of the online energy storage switching electric control switch is connected to a mobile energy storage power supply connecting terminal (16); the 1 st power sampling sensor (20) is connected to a power supply power line (101) between a power grid power supply electronic control switch (19) and a 1 st power supply power line connecting terminal (102); one end of the on-line diesel power generation switching electronic control switch (14) is connected to a mobile expansion power supply on a power supply power line (101) between the power grid power supply electronic control switch (19) and the 2 nd power supply power line connecting terminal (103) through an on-line diesel power generation source expansion power line (104) to be connected to a power terminal (15), and the other end of the on-line diesel power generation switching electronic control switch is connected to a diesel power generation source connecting terminal (105); the 2 nd power sampling sensor (21) is connected to an online diesel power generation source expansion power line (104) between the online diesel power generation switching electronic control switch (14) and the diesel power generation source connecting terminal (105); the online connection controller (11) is respectively connected with an online energy storage switching electric control switch (12), an online diesel power switching electric control switch (14), a power grid electric power supply electric control switch (19), a 1 st electric power sampling sensor (20) and a 2 nd electric power sampling sensor (21) through an expansion device control line (18); the multi-power supply online expansion connection and switching device with the uninterrupted operation architecture is formed.
The system for the on-line connection expansion device of the diesel storage complementary mobile power supply is characterized in that power grid power normally supplies power to operate, a main incoming line switch of a low-voltage distribution box UP and a power grid power supply electric control switch (19) are closed, and an on-line energy storage switching electric control switch (12) and an on-line diesel generation switching electric control switch (14) are disconnected simultaneously; the power of the power grid is supplied to a power bus which is supplied with power by a power load.
The system for the on-line connection of the diesel storage complementary mobile power supply to the expansion device is characterized in that a mobile energy storage power supply system (17) is connected and supplies power without power-off operation in the power supply operation of a power grid; namely: the online energy storage switching electric control switch (12) and the online diesel power generation switching electric control switch (14) are disconnected, a main incoming line switch of a low-voltage distribution box UP and a power grid electric power supply electric control switch (19) are closed, power grid electric power supplies power for a power bus supplied with power by an electric load, a mobile energy storage power supply system (17) is connected to a mobile energy storage power supply connecting terminal (16) in a non-power-cut online manner in the power grid electric power supply operation process, an online connection controller (11) controls the mobile energy storage power supply system (17) to be opened, voltage, frequency and phase parameters of the power grid electric power are monitored in real time through a 1 st electric power sampling sensor (20), the mobile energy storage power supply system (17) and the power grid electric power are controlled to be in the same period, the online energy storage switching electric control switch (12) is controlled to be closed after the same period, and the power grid electric power supply electric control switch (19) is controlled to be disconnected; the mobile energy storage power supply system (17) is switched in without power-off operation and supplies power for a power bus supplying power to the power load.
The system for the on-line connection of the diesel storage complementary mobile power supply to the expansion device is characterized in that a diesel power generation system (10) is connected and supplies power without power-off operation in the power supply operation of a power grid; namely: the on-line energy storage switching electric control switch (12) and the on-line diesel power generation switching electric control switch (14) are disconnected, a main incoming line switch of a low-voltage distribution box UP and a power grid electric power supply electric control switch (19) are closed, and power grid electric power supplies power for an electric power bus supplying power by using an electric load; the diesel power generation system (10) is connected with a diesel power generation source connecting terminal (105) on line without power outage in the power supply operation of a power grid, an on-line connection controller (11) controls the diesel power generation system (10) to be started, voltage, frequency and phase parameters of the power grid are monitored in real time through a 1 st power sampling sensor (20), the diesel power generation system (10) is controlled to be synchronous with the power grid, an on-line diesel power switching electric control switch (14) is controlled after the synchronization, and a power grid power supply electric control switch (19) is controlled to be switched off; the diesel generating system (10) is switched in without power-off operation and supplies power for a power bus supplying power by using a power load.
The system for the on-line connection of the diesel storage complementary mobile power supply to the expansion device is characterized in that a diesel power generation system (10) and a mobile energy storage power supply system (17) are complementary and are switched in and powered by power-uninterrupted operation in the power supply operation of a power grid; namely: the online energy storage switching electric control switch (12) and the online diesel power generation switching electric control switch (14) are disconnected, a main incoming line switch of a low-voltage distribution box UP and a power grid electric power supply electric control switch (19) are closed, and power grid electric power supplies power for an electric power bus supplied with power by an electric load; the mobile energy storage power supply system (17) is connected to the mobile energy storage power supply connecting terminal (16) on line without power outage in the power supply operation of a power grid, and meanwhile, the diesel power generation system (10) is connected to the diesel power generation source connecting terminal (105) on line without power outage; the online connection controller (11) monitors the voltage, frequency and phase parameters of the power grid in real time through the 1 st power sampling sensor (20), controls the mobile energy storage power supply system (17) to be started and to be synchronous with the power grid, and controls the online energy storage switching electric control switch (12) to be closed and the power grid power supply electric control switch (19) to be disconnected after the synchronization; the mobile energy storage power supply system (17) supplies power for a power bus which supplies power with an electric load; and the on-line connection controller (11) controls the diesel power generation system (10) to be started, the voltage, frequency and phase parameters of the diesel power generation system (10) are monitored in real time through the No. 2 power sampling sensor (21), the mobile energy storage power supply system (17) and the diesel power generation system (10) are controlled to be synchronous, the on-line diesel power generation switching electric control switch (14) is controlled to be closed after the synchronization, and the on-line connection controller (11) controls the diesel power generation system (10) and the mobile energy storage power supply system (17) to be complementary to supply power for a power bus supplying power with an electric load.
The utility model relates to a system of complementary portable power source on-line connection extension fixture is stored UP to firewood adopts and connects many power on-line extension connection and switching device (100) at the front end or the rear end of the total service entrance switch of low voltage distribution box UP, utilizes electric wire netting electric power supply electric control switch (19) to pass through power supply power line (101), for the power bus power supply of power consumption load power supply, portable energy storage power supply system (17) does not have the outage simultaneously and inserts portable energy storage power supply connecting terminal (16) on line, diesel power generation system (10) does not have the outage and inserts diesel power generation power supply connecting terminal (105) on line; the online connection controller (11) monitors the voltage, frequency and phase parameters of the power grid and the diesel power generation system (10) in real time through the 1 st power sampling sensor (20) and the 2 nd power sampling sensor (21) respectively, controls the synchronization of the mobile energy storage power supply system (17) and the power grid, controls the synchronization of the mobile energy storage power supply system (17) and the diesel power generation system (10), controls the power grid power supply electric control switch (19) to be switched off according to the set control sequence, and controls the online energy storage switching electric control switch (12) and the online diesel power generation switching electric control switch (14) to be switched on, so that the diesel power generation system (10) and the mobile energy storage power supply system (17) can work without power outage, and the online connection and switching can be realized.
It should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the embodiments described herein are described in detail, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments can be modified, or some technical features can be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (2)
1. A system for connecting an expansion device on line with a diesel storage complementary mobile power supply comprises: the system comprises a diesel power generation system, an online connection controller, an online energy storage switching electric control switch, an online energy storage power supply expansion power line, an online diesel power generation switching electric control switch, a mobile expansion power supply access power terminal, a mobile energy storage power supply connecting terminal, a mobile energy storage power supply system, an expansion device control line, a power grid electric power supply electric control switch, a power supply power line, a 1 st power supply power line connecting terminal, a 2 nd power supply power line connecting terminal, an online diesel power generation source expansion power line, a diesel power generation source connecting terminal, a 1 st power sampling sensor and a 2 nd power sampling sensor; the system is characterized in that a 1 st power supply power line connecting terminal of a multi-power supply online expansion connection and switching device is connected with a main incoming switch of a low-voltage distribution box UP, and a 2 nd power supply power line connecting terminal is connected with a power bus supplying power to an electric load; the mobile energy storage power supply system is connected with a mobile expansion power supply access power terminal of a power supply power line through a mobile energy storage power supply connecting terminal; the diesel power generation system is connected with a mobile expansion power supply access power terminal of a power supply power line through a diesel power generation source connecting terminal; and an online connection controller of the multi-power online expansion connection and switching device is respectively connected with the diesel power generation system and the mobile energy storage power system through an expansion device control line, so that a system architecture for online controlled interactive switching between the diesel power generation system and the mobile energy storage power system in a complementary expansion and uninterrupted power supply mode and a power grid is formed.
2. The system for the on-line connection expansion device of the diesel-storage complementary mobile power supply of claim 1, wherein a power grid power supply electronic control switch of the multi-power supply on-line expansion connection and switching device is respectively connected with a 1 st power supply power line connection terminal and a 2 nd power supply power line connection terminal through power supply power lines; one end of the online energy storage switching electric control switch is connected to a power supply power line between the power supply electric control switch of the power grid and the 2 nd power supply power line connecting terminal through an online energy storage power supply expansion power line and is connected to a mobile expansion power supply connecting terminal, and the other end of the online energy storage switching electric control switch is connected to the mobile energy storage power supply connecting terminal; the 1 st power sampling sensor is connected to a power supply power line between the power grid power supply electronic control switch and the 1 st power supply power line connecting terminal; one end of the online diesel power generation switching electric control switch is connected to a mobile expansion power supply on a power supply power line between the power supply electric control switch of the power grid and the 2 nd power supply power line connecting terminal through an online diesel power generation source expansion power line to be connected to a power terminal, and the other end of the online diesel power generation switching electric control switch is connected to a diesel power generation source connecting terminal; the 2 nd electric power sampling sensor is connected to an online diesel power generation source expansion power line between the online diesel power generation switching electronic control switch and the diesel power generation source connecting terminal; the online connection controller is respectively connected with an online energy storage switching electric control switch, an online diesel power generation switching electric control switch, a power grid electric power supply electric control switch, a 1 st electric power sampling sensor and a 2 nd electric power sampling sensor through an extension device control line; the multi-power supply online expansion connection and switching device with the uninterrupted operation architecture is formed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221343178.2U CN218161825U (en) | 2022-06-06 | 2022-06-06 | System for on-line connection expansion device of diesel storage complementary mobile power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221343178.2U CN218161825U (en) | 2022-06-06 | 2022-06-06 | System for on-line connection expansion device of diesel storage complementary mobile power supply |
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| CN202221343178.2U Active CN218161825U (en) | 2022-06-06 | 2022-06-06 | System for on-line connection expansion device of diesel storage complementary mobile power supply |
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