CN217135225U - Prepackage type is intelligent network type power supply and distribution system for communication - Google Patents
Prepackage type is intelligent network type power supply and distribution system for communication Download PDFInfo
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Abstract
The utility model provides a preassembled intelligent network type power supply and distribution system for communication, which comprises an alternating current input line, wherein a voltage transformation circuit is connected with the alternating current input line to convert initial voltage into output voltage of different grades; the distribution circuit is electrically connected with the transformation circuit and is used for transmitting the output voltage to an external load; a plurality of functional bins are arranged in the same machine room at intervals; the direct current bus is connected with a distribution circuit, and the distribution circuit converts the output voltage into direct current output voltage and alternating current output voltage; one end of the direct current connection port is connected with a direct current bus after passing through a non-polar low-voltage direct current contactor DCJ1 and a low-voltage direct current bidirectional metering multifunctional meter, and the other end of the direct current connection port is connected with a direct current connection port of a connection networking circuit in other power supply and distribution systems or other direct current bidirectional power supplies to transmit direct current voltage; the transformation circuit, the interconnection network circuit and the distribution circuit are respectively embedded into different functional bins. The utility model discloses can solve how to introduce fast and set up the problem of the intelligent network type power supply and distribution system for communication.
Description
Technical Field
The utility model relates to a power supply and distribution system's technical field mainly relates to an intelligent net type power supply and distribution system is used in prepackage type communication.
Background
At present, electricity consumption capacity increase and capacity expansion of communication machine rooms and data centers mostly adopt building electrical design reserved spaces or spare transformers to realize upgrading of power supply and distribution systems. However, with the development of 5G infrastructure communication facilities, aggregation nodes, edge computing and data center construction, the power supply and distribution system required by the scene of emergency data communication equipment power supply and distribution deployment or rapid communication facility deployment is increasingly difficult to meet new requirements in a traditional manner.
According to the improvement of the computing power and the rapid increase of the communication speed of the power supply and distribution facilities required by 5G communication, on one hand, the total power capacity of the sites of the power supply and distribution facilities required by 5G communication is greatly improved by a plurality of times compared with the power supply and distribution facilities for 2G communication to 4G communication, on the other hand, the computing node capability required by the development of electric vehicles, distributed energy sources and distributed energy storage sinks to the edge layer, which is a technical development trend, distributed computing and edge computing generate revolutionary challenges for the existing structure taking a large data center as a computing backbone node, and on the other hand, the power supply and distribution system required by the computing power is revolutionary, the arrangement of the edge computing data center is different from the traditional large data center, the voltage grades of power supply lines at the distributed positions are different, and the power supply lines at different voltage grades, the voltage access points at different positions, the power supply points at different voltage grades, Due to the demands of different load capacities and voltage levels, the modularization, standardization, rapidity and preassembly of a novel power supply and distribution system become new requirements for development.
Meanwhile, the whole trend of power supply and distribution capacity expansion and investment economic return rate of the original data center or edge computer communication room is to compress the proportion of a power supply and distribution system in the total area of a building and rapidly improve the density and the total area of a server rack; on one hand, the demand of a client server is quickly responded, on the other hand, the operation maintenance cost is required to be reduced, the one-time power access and supply and distribution investment is reduced, and the repeated construction is avoided. Therefore, how to rapidly, reliably, standardize, reusable, expandable and mutually economic realize rapid deployment of power supply and distribution systems has become an important factor for solving the current problems.
In the fields of power systems, industrial and commercial power supply and energy storage, certain development and application of general pre-installed power supply and distribution facilities, energy storage containers and the like exist, and the prior art has the following problems:
(1) the position distribution of each communication intelligent network type power supply and distribution system is wide, the voltage grades of power supply and distribution lines are different, and if circuit connection between two communication intelligent network type power supply and distribution systems needs to be built, time is consumed for converting voltage and wiring;
(2) the access capability of the voltage access point, the load capacity and the voltage class between the communication intelligent network type power supply and distribution systems is limited by the wiring wires existing in the current communication intelligent network type power supply and distribution system, and the improvement of the access capability of the load capacity and the voltage class is difficult to realize.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prepackage type is with intelligent network type power supply and distribution system, under the wide and different circumstances of supply and distribution line voltage grade of position distribution of each communication with intelligent network type power supply and distribution system, can solve the problem of quick introduction and setting between each communication with intelligent network type power supply and distribution system, and improve each communication with intelligent network type power supply and distribution system to the voltage access point of different voltage grades, the voltage access point of different positions, the access ability of different load capacity and voltage grade, the power supply and distribution ability.
Therefore, the utility model provides a prepackage type is intelligent net type power supply and distribution system for communication, includes:
the alternating current input line is used for transmitting alternating current voltage, and the alternating current input line can flow initial voltage in a first set range and initial voltage in a second set range;
the voltage transformation circuit is connected with the alternating current input line and is used for receiving initial voltages of different grades transmitted by the alternating current input line and converting the initial voltages into output voltages of different grades;
a distribution circuit electrically connected to the transformation circuit for transmitting an output voltage to an external load;
the functional bins are arranged in the same machine room at intervals;
a dc bus connected to the distribution circuit for transmitting a dc voltage;
the power distribution circuit converts the output voltage into a direct current output voltage and an alternating current output voltage;
the interconnection networking circuit comprises at least one nonpolar low-voltage direct-current contactor DCJ1, a low-voltage direct-current bidirectional metering multifunctional meter and a direct-current interconnection port, wherein one end of the direct-current interconnection port is connected with a direct-current bus after passing through the nonpolar low-voltage direct-current contactor DCJ1 and the low-voltage direct-current bidirectional metering multifunctional meter, and the other end of the direct-current interconnection port is connected with direct-current interconnection ports of interconnection networking circuits in other power supply and distribution systems or other direct-current bidirectional power supplies to transmit direct-current voltage;
the transformation circuit, the interconnection network circuit and the power distribution circuit are respectively embedded into different functional bins.
Furthermore, the transformation circuit comprises a medium voltage circuit, a transformer circuit and a low voltage circuit which are respectively embedded into different functional bins,
the medium-voltage circuit is used for receiving the initial voltage of the alternating current input line within a first set range, converting the initial voltage into alternating current output voltages with different voltage levels through the transformer circuit and transmitting the alternating current output voltages to a distribution circuit;
the low-voltage circuit comprises a bidirectional port LP and a plurality of low-voltage switches, wherein the input ends of the low-voltage switches are converged at the alternating current input line, the initial voltage flowing into the low-voltage switches flows into the bidirectional port LP through the bidirectional metering multifunctional meter and then is output to the power distribution circuit, and the bidirectional port LP can be connected with alternating current voltage provided by external power supply equipment and is transmitted to the power distribution circuit.
And the voltage conversion circuit is embedded into the functional cabin, the voltage conversion circuit comprises an alternating current-direct current converter, the direct current side of the alternating current-direct current converter is connected with the direct current bus, and the alternating current side of the alternating current-direct current converter is connected with the bidirectional port LP of the low-voltage circuit to convert the initial voltage in the second set range into an alternating current output voltage and output the alternating current output voltage to the power distribution circuit.
The direct current charging circuit comprises a direct current bus, a unidirectional direct current-direct current converter, a unidirectional metering multifunctional meter and a direct current bus, wherein the direct current bus is connected with the external power supply equipment, the input end of the direct current charging circuit is connected with the external power supply equipment to receive direct current voltage, the received direct current voltage flows to the output end of the direct current charging circuit after passing through the unidirectional direct current-direct current converter and the unidirectional metering multifunctional meter, and the output end of the direct current charging circuit is connected with the direct current bus to transmit the direct current voltage.
Further, the external power supply device may be any one of a solar photovoltaic power generation system, a diesel engine, or a commercial power.
Further, a photovoltaic port SP of the solar photovoltaic power generation system is connected with an input end of the direct current charging circuit to supply direct current voltage.
Further, the diesel engine is connected with a bidirectional port LP of the low-voltage circuit to supply alternating-current voltage, the commercial power is connected with the bidirectional port LP of the low-voltage circuit and the commercial power to supply the alternating-current voltage, and the supplied alternating-current voltage is equal to the initial voltage in a second set range in value.
Furthermore, the medium-voltage circuit comprises at least one power distribution port MVK and a medium-voltage switch, and the initial voltage in the first set range is transmitted to the transformer circuit to be converted into alternating-current output voltage after sequentially passing through the power distribution port MVK and the medium-voltage switch.
Furthermore, the output end of the medium-voltage switch is connected to a dry-type transformer in the transformer circuit through a bidirectional metering multifunctional meter, and the dry-type transformer converts the initial voltage in the first set range into alternating-current output voltage and outputs the alternating-current output voltage through a distribution circuit.
Further, the power distribution circuit comprises at least two bidirectional direct current-direct current converters and two unidirectional direct current-alternating current converters, wherein any side direct current side of each direct current-direct current converter is respectively connected to the direct current bus in parallel, the other side of each direct current-direct current converter is connected with an external direct current load DCL for feeding, the direct current side of each direct current-alternating current converter is respectively connected to the direct current bus in parallel, and the other side of each direct current-alternating current converter is connected with an external alternating current load ACL for feeding.
The utility model provides a prepackage type is intelligent network type power supply and distribution system for communication, through integrated potential circuit, interconnection network circuit, distribution circuit in same computer lab or system, potential circuit can change the magnitude of voltage, interconnection network circuit can be used for with another supply and distribution system's interconnection network circuit communication and transmission DC voltage, and then realize that the communication can be realized between the different intelligent network type power supply and distribution system for communication and DC voltage's transmission, even the voltage level difference of each communication is with the power supply line of intelligent network type power supply and distribution system also can be through potential circuit, interconnection network circuit, distribution circuit arbitrary one or multiple cooperation in the distribution circuit to the voltage that matches that converts into fast to this to the problem that the power supply and distribution between the different intelligent network type power supply and distribution system for communication introduces and sets up, improves between each communication intelligent network type power supply and distribution system at the voltage access point of different voltage levels, Voltage access points at different positions, access capability of different load capacities and voltage grades, power supply and distribution capability.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of a connection structure of a pre-installed intelligent network type power supply and distribution system for communication according to the present invention;
FIG. 2 is the utility model discloses a prepackage type is intelligent net type power supply and distribution system for communication's overall structure sketch map
Fig. 3 is a schematic view of the connection structure of each prefabricated communication intelligent network power supply and distribution system of the present invention.
Reference numerals: 1-a medium voltage circuit; 2-a transformer circuit; 3-a low voltage circuit; 4-a voltage conversion circuit; 5-a direct current charging circuit; 6-tie networking circuitry; 7-distribution circuit.
Detailed Description
The invention will be further described with reference to the following examples.
Referring to fig. 1 and 2, the preassembled intelligent network power supply and distribution system for communication in the present embodiment includes an ac input line for transmitting an ac voltage, and includes an initial voltage within a first predetermined range and an initial voltage within a second predetermined range;
the voltage transformation circuit is electrically connected with the alternating current input line and used for receiving initial voltages of different grades transmitted by the alternating current input line and converting the initial voltages into output voltages of different grades to be output to the alternating current bus;
a dc bus for receiving a dc voltage from the outside and supplying the dc voltage to the power distribution circuit 7;
a distribution circuit 7 for converting the voltage of the ac bus into a dc output voltage and transmitting the ac output voltage to an external load, and for converting the voltage of the dc bus into a dc output voltage and transmitting the ac output voltage to an external load;
referring to fig. 3, a plurality of functional bins are arranged in the same machine room at intervals;
the interconnection networking circuit 6 comprises at least one nonpolar low-voltage direct-current contactor DCJ1, a low-voltage direct-current bidirectional metering multifunctional meter and a direct-current interconnection port, wherein one end of the direct-current interconnection port is connected with a direct-current bus after passing through the nonpolar low-voltage direct-current contactor DCJ1 and the low-voltage direct-current bidirectional metering multifunctional meter, and the other end of the direct-current interconnection port is connected with direct-current interconnection ports of the interconnection networking circuit 6 in other power supply and distribution systems or other direct-current bidirectional power supplies to transmit direct-current voltage;
the transformation circuit, the interconnection networking circuit 6 and the distribution circuit 7 are respectively embedded into different functional bins. In the embodiment, the transformer circuit, the interconnection networking circuit and the distribution circuit are integrated in the same container, machine room, data center or system, the transformer circuit can convert the voltage value, the interconnection networking circuit can be used for communicating with another interconnection networking circuit of the power supply and distribution system and transmitting direct-current voltage, so that communication connection and direct-current voltage transmission can be realized between different communication intelligent network type power supply and distribution systems, and meanwhile, even if the voltage grades of power supply lines of the communication intelligent network type power supply and distribution systems are different, the voltage grades can be quickly converted into matched voltages through the cooperation of any one or more of the transformer circuit, the interconnection networking circuit and the distribution circuit, so that the problems of power supply and distribution introduction and setting between different communication intelligent network type power supply and distribution systems are solved, the voltage access points and the direct-current voltage transmission points between the communication intelligent network type power supply and distribution systems and the distribution systems at different voltage grades are improved, Voltage access points at different positions, access capability of different load capacities and voltage grades, power supply and distribution capability.
Furthermore, the transformation circuit comprises a medium-voltage circuit 1, a transformer circuit 2 and a low-voltage circuit 3 which are respectively embedded into different functional bins,
the medium-voltage circuit 1 is used for receiving the initial voltage of the alternating current input line within a first set range, and converting the initial voltage into alternating current output voltages with different voltage levels through the transformer circuit 2 to be transmitted to the distribution circuit 7;
the low-voltage circuit 3 comprises a plurality of bidirectional ports LP and a plurality of low-voltage switches, the input ends of the low-voltage switches are used for getting electricity at the alternating current input line, the output end of each low-voltage switch flows into one bidirectional port LP through one bidirectional metering multifunctional meter and then is output to an alternating current bus, and the bidirectional port LP is provided with a plug port for obtaining alternating current voltage from external power supply equipment and transmitting the alternating current voltage to the alternating current bus.
Further, the voltage conversion circuit 4 embedded in the functional cabin is further included, and an alternating current-direct current (ac/dc) converter is included in the voltage conversion circuit 4, a direct current side of the alternating current-direct current (ac/dc) converter is connected with the direct current bus, and an alternating current side of the alternating current-direct current (ac/dc) converter is connected with the bidirectional port LP of the low-voltage circuit 3 to convert the initial voltage within the second setting range into a direct current output voltage and output the direct current output voltage to the distribution circuit 7.
Further, the direct current charging circuit 5 is further included and comprises a one-way direct current-direct current (dc/dc) converter and a one-way metering multifunctional meter, the input end of the direct current charging circuit 5 is connected with an external direct current power supply device to receive direct current voltage, the received direct current voltage flows to the output end of the direct current charging circuit 5 after passing through the one-way direct current-direct current (dc/dc) converter and the one-way metering multifunctional meter, and the output end of the direct current charging circuit is connected with the direct current bus to transmit the direct current voltage.
Further, the external power supply device may be any one of a diesel engine or a commercial power. The external direct current power supply equipment is a solar photovoltaic power generation system.
Further, a photovoltaic port SP of the solar photovoltaic power generation system is connected with an input end of the direct current charging circuit 5 to supply direct current voltage.
Further, the diesel engine and/or the commercial power may be connected to a plug port of the bidirectional port LP for supplying an ac voltage, and the supplied ac voltage is equal to the initial voltage within the second setting range.
Further, the medium voltage circuit 1 includes at least one distribution port MVK and a medium voltage switch, and the initial voltage within the first setting range is transmitted to the transformer circuit 2 to be converted into an ac output voltage after sequentially passing through the distribution port MVK and the medium voltage switch.
Further, the output end of the medium voltage switch is connected to a dry-type transformer in the transformer circuit 2 through a bidirectional metering multifunctional meter, and the dry-type transformer converts the initial voltage within the first set range into an alternating current output voltage and outputs the alternating current output voltage through a distribution circuit 7.
The controller is respectively electrically connected with the interconnection switch, the low-voltage switch and the medium-voltage switch.
Further, the power distribution circuit 7 includes at least two bidirectional direct current-direct current (dc/dc) converters and two unidirectional direct current-alternating current (dc/ac) converters, any one of the direct current sides of each of the direct current-direct current (dc/dc) converters is connected in parallel and then takes power from the direct current bus, the other side of each of the direct current-direct current (dc/dc) converters is respectively connected with an external direct current load DCL for feeding, the direct current side of each of the direct current-alternating current (dc/ac) converters is connected in parallel and then takes power from the direct current bus, and the other side of each of the direct current-alternating current (dc/ac) converters is respectively connected with an external alternating current load ACL for feeding. The distribution circuit 7 is provided with a plurality of converters to increase a plurality of output ports, so that the connection with subsequent loads is facilitated.
The specific connection method is as follows:
the medium-voltage circuit 1 comprises 1-2 groups of electrically operated medium-voltage distribution switch devices MVK1 and MVK2, a first group of medium-voltage distribution switch MVK1 incoming lines and a second group of medium-voltage distribution switch MVK2 incoming lines are respectively connected with a medium-voltage distribution port 1 and a port 2 of a power supply and distribution system, outgoing lines are respectively connected with medium-voltage sides of a dry-type transformer T1 and a T2 in a transformer circuit, the medium-voltage side electric energy metering devices are in bidirectional metering, the received voltage ranges of the medium-voltage distribution port 1 and the port 2 are 6 kV-35 kV (first set voltage), and the two groups of medium-voltage distribution switches can be connected with voltages of different voltage grades.
The transformation circuit comprises 1 to 2 dry-type transformers, the voltage level of the medium-voltage side corresponds to that of the medium-voltage distribution port 1 and that of the medium-voltage distribution port 2 respectively, the voltage level of the low-voltage side is 400V, and the electric energy metering device of the low-voltage side is bidirectional metering.
The low-voltage circuit 3 comprises 3 groups of low-voltage switches LVK1, LVK2, LVK3 and an alternating-current bus, the 3 groups of low-voltage switches are converged at the alternating-current bus, the rated voltage of the alternating-current bus is 400V (second set voltage), the supported current is not more than 5000A, and a bidirectional metering electric energy metering device is installed at the LVK3 and is connected with a low-voltage bidirectional port LP. The low-voltage bidirectional port LP is characterized in that a rated alternating current 400V diesel engine or commercial power which runs in parallel with an alternating current bus of a low-voltage circuit can be accessed.
The voltage conversion circuit 4 comprises an AC/DC conversion unit of an isolated power electronic converter with bidirectional electric energy flow direction, high power density, high efficiency, wherein the AC/DC converter can be formed by a plurality of AC/DC conversion units which are connected in parallel, the AC sides of all the conversion units are connected with an AC bus of a low-voltage circuit in parallel, the DC sides of all the conversion units are connected with a rated 600V DC bus, and the voltage range of the DC sides is 300V-1500V.
The distribution circuit 7 is respectively composed of at least 2 groups of bidirectional DC/DC conversion units with energy storage batteries and at least 2 groups of unidirectional DC/AC conversion units with energy storage batteries, and the direct current sides of all the conversion units are connected with a direct current bus in parallel; the voltage at the direct current load side of the DC/DC conversion unit can be operated in parallel at the same voltage, the parallel operation voltage range is 48V to 400V, and the direct current load DCL with different voltages, which are not operated in parallel, can be fed to the corresponding voltage level; the DC/AC conversion unit can be operated in parallel at the same voltage, the parallel operation voltage range is 110V to 690V, or can be operated in parallel at different voltages and feeds the AC load ACL at the corresponding voltage level.
The interconnection network circuit 6 is bought by at least 1 group of non-polarity low-voltage direct current contactor DCJ1 and the multifunctional meter of low-voltage direct current two-way measurement, and interconnection switch one end is connected with direct current connection port, and the other end is connected with the direct current bus, and direct current connection port external another set of prepackage type is with supplying power distribution system or other direct current two-way power supply for communication.
The self-adaptive charging circuit is composed of at least 1 group of energy storage batteries, the input end of the self-adaptive charging circuit is connected with a photovoltaic port SP, the voltage range is 150V-1500V, and the output end of the self-adaptive charging circuit is connected with a direct current bus.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A pre-installed intelligent network power supply and distribution system for communication comprises an alternating current input line, a first control circuit, a second control circuit and a second control circuit, wherein the alternating current input line is used for transmitting alternating current voltage and comprises initial voltage in a first set range and initial voltage in a second set range;
it is characterized by also comprising:
the voltage transformation circuit is electrically connected with the alternating current input line and used for receiving initial voltages of different grades transmitted by the alternating current input line and converting the initial voltages into output voltages of different grades to be output to the alternating current bus;
a DC bus for taking DC voltage from outside and supplying the DC voltage to a power distribution circuit;
the distribution circuit is used for converting the voltage of the alternating current bus into direct current output voltage and transmitting the alternating current output voltage to an external load, and converting the voltage of the direct current bus into the direct current output voltage and transmitting the alternating current output voltage to the external load;
the interconnection networking circuit comprises at least one nonpolar low-voltage direct-current contactor DCJ1, a low-voltage direct-current bidirectional metering multifunctional meter and a direct-current interconnection port, wherein one end of the direct-current interconnection port is connected with the direct-current bus after passing through the nonpolar low-voltage direct-current contactor DCJ1 and the low-voltage direct-current bidirectional metering multifunctional meter, and the other end of the direct-current interconnection port is connected with direct-current interconnection ports or other direct-current bidirectional power supplies of the interconnection networking circuit in other power supply and distribution systems to transmit direct-current voltage.
2. The pre-installed intelligent network type power supply and distribution system for communication of claim 1, wherein the transforming circuit comprises a medium voltage circuit, a transformer circuit, a low voltage circuit embedded in different functional compartments,
the medium-voltage circuit is used for receiving the initial voltage of the alternating current input line within a first set range, converting the initial voltage into alternating current output voltages with different voltage levels through the transformer circuit and transmitting the alternating current output voltages to a distribution circuit;
the low-voltage circuit comprises a plurality of bidirectional ports LP and a plurality of low-voltage switches, wherein the input ends of the low-voltage switches are used for getting electricity at the alternating current input line, the output end of each low-voltage switch flows into one bidirectional port LP through one bidirectional metering multifunctional meter and then is output to an alternating current bus, and the bidirectional port LP is provided with a plug port for obtaining alternating current voltage from external power supply equipment and transmitting the alternating current voltage to the alternating current bus.
3. The prepackaged smart grid power supply and distribution system for communication of claim 2, further comprising a voltage conversion circuit embedded in the functional compartment, wherein the voltage conversion circuit comprises an ac-dc converter, a dc side of the ac-dc converter is connected to the dc bus, and an ac side of the ac-dc converter is connected to the bi-directional LP port of the low-voltage circuit to convert the initial voltage within the second predetermined range into a dc output voltage for output to the distribution circuit.
4. The pre-installed intelligent network type power supply and distribution system for communication of claim 3, further comprising a DC charging circuit comprising a unidirectional DC-DC converter and a unidirectional metering multifunctional meter, wherein an input end of the DC charging circuit is connected with an external DC power supply device to receive DC voltage, the received DC voltage flows to an output end of the DC charging circuit through the unidirectional DC-DC converter and the unidirectional metering multifunctional meter, and an output end of the DC charging circuit is connected with the DC bus to transmit DC voltage.
5. The pre-installed intelligent network power supply and distribution system for communication of claim 4, wherein the external power supply equipment can be any one of a diesel engine or commercial power.
6. The pre-installed intelligent network type power supply and distribution system for communication of claim 5, wherein the external DC power supply device is a solar photovoltaic power generation system, and a photovoltaic port SP of the solar photovoltaic power generation system is connected with an input end of the DC charging circuit for supplying DC voltage.
7. The pre-installed smart grid power supply and distribution system for communication of claim 6, wherein the diesel engine and/or the utility power may be connected to the plug port of the bi-directional port LP for supplying an AC voltage, the AC voltage being equal to the initial voltage within the second predetermined range.
8. The pre-installed intelligent network power supply and distribution system for communication of claim 2, wherein the medium voltage circuit comprises at least one power distribution port MVK and a medium voltage switch, and the initial voltage within the first predetermined range is transmitted to the transformer circuit through the power distribution port MVK and the medium voltage switch in sequence and then converted into the ac output voltage.
9. The pre-installed intelligent network power supply and distribution system for communication of claim 8, wherein the output terminal of the medium voltage switch is connected to a dry type transformer in the transformer circuit through a bidirectional metering multifunctional meter, and the dry type transformer converts the initial voltage within the first predetermined range into an ac output voltage and outputs the ac output voltage through the distribution circuit.
10. The pre-installed intelligent network power distribution system for communication of claim 9, wherein the power distribution circuit comprises at least two bidirectional dc-dc converters and two unidirectional dc-ac converters, any one of the dc sides of each dc-dc converter is connected in parallel to obtain power from the dc bus, the other side of each dc-dc converter is connected to the external dc load DCL for feeding, the dc sides of each dc-ac converter are connected in parallel to obtain power from the dc bus, and the other side of each dc-ac converter is connected to the external ac load ACL for feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452196.2U CN217135225U (en) | 2021-12-31 | 2021-12-31 | Prepackage type is intelligent network type power supply and distribution system for communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452196.2U CN217135225U (en) | 2021-12-31 | 2021-12-31 | Prepackage type is intelligent network type power supply and distribution system for communication |
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| CN217135225U true CN217135225U (en) | 2022-08-05 |
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| CN202123452196.2U Active CN217135225U (en) | 2021-12-31 | 2021-12-31 | Prepackage type is intelligent network type power supply and distribution system for communication |
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