CN211266479U - Shared power supply system for communication base station - Google Patents
Shared power supply system for communication base station Download PDFInfo
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- CN211266479U CN211266479U CN201921991938.9U CN201921991938U CN211266479U CN 211266479 U CN211266479 U CN 211266479U CN 201921991938 U CN201921991938 U CN 201921991938U CN 211266479 U CN211266479 U CN 211266479U
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Abstract
The utility model discloses a sharing power supply system for communication base station, include: the power supply system comprises at least two power supply subsystems, wherein each power supply subsystem is formed by sequentially connecting an AC/DC conversion module, a circuit breaker and a direct current power supply bus; the bypass system is connected with the two power supply subsystems and consists of a bypass breaker and a DC/DC conversion module which are connected in series; and the main control unit is connected with the AC/DC conversion module and the circuit breaker of each power supply system, and the bypass circuit breaker and the DC/DC conversion module of each bypass system. The method and the device solve the problem that voltage grade standards of power supply systems of various large operators in the prior art are not uniform, so that sharing cannot be achieved, mutual backup, compatibility and sharing among different power supply systems of various large operators are achieved, the reliability of the power supply system of the communication base station is improved, the occupied space of the power supply system in a machine room of an iron tower of the communication base station is saved, and the construction and operation cost of the communication base station is greatly saved.
Description
Technical Field
The utility model relates to a power supply system especially relates to a sharing power supply system for communication base station.
Background
A communication base station, which is a form of a radio station, refers to a radio transceiver station that performs information transfer with a mobile phone terminal through a mobile communication switching center in a limited radio coverage area. The base station is a basic unit forming a cell in mobile communication, and completes communication and management functions between a mobile communication network and mobile communication users.
With the rapid development of the mobile communication industry, the reliability requirement of a mobile data machine room, especially a communication iron tower, on a power supply system is higher and higher. Compared with an alternating current power supply, the high-voltage direct current power supply has the advantages of high efficiency, high reliability, convenience in capacity expansion and the like, and various domestic operators are obtained, such as: china has paid attention to telecommunication, mobility and communication. The power supply systems of all large operators mainly push high-voltage direct-current power supplies, so that the power supply systems based on the high-voltage direct-current power supplies are unprecedentedly developed.
However, in the process of implementing the technical solution in the embodiment of the present application, the inventors of the present application find that the above-mentioned technology has at least the following technical problems:
at present, a high-voltage direct-current power supply has no uniform voltage grade standard. For example, three operators in China mainly push high-voltage direct-current power supplies with different voltage levels respectively, and China telecom, China Mobile and China Unicom mainly push 240V, 336V and 270V high-voltage direct-current power supplies respectively, so that the three can not be compatible and shared.
The country advocates the co-construction and sharing of the operator's communication infrastructure to save cost and energy. At present, three operators share a communication iron tower, but because the space of an iron tower machine room is limited, three sets of different power supply systems cannot be arranged for the three operators in one iron tower machine room, which also does not accord with the aim of co-construction and sharing. Therefore, how to implement compatible sharing of high-voltage direct-current power supplies with different voltage levels is a difficult problem to be solved urgently by the technical staff in the field.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a shared power supply system for a communication base station, solves the problem that in the prior art, voltage level standards of power supply systems of various large operators are not uniform, so that the power supply systems of the large operators cannot be compatible and shared, realizes mutual backup, compatibility and sharing among different power supply systems of the various large operators, improves the reliability of the power supply system of the communication base station, saves the occupied space of the power supply system in a machine room of an iron tower of the communication base station, and greatly saves the construction and operation cost of the communication base station.
The embodiment of the application provides a shared power supply system for a communication base station, which comprises:
the power supply system comprises at least two power supply subsystems, wherein each power supply subsystem is formed by sequentially connecting an AC/DC conversion module, a circuit breaker and a direct current power supply bus;
the bypass system is connected with the two power supply subsystems and consists of a bypass breaker and a DC/DC conversion module which are connected in series;
and the main control unit is connected with the AC/DC conversion module and the circuit breaker of each power supply system, and the bypass circuit breaker and the DC/DC conversion module of each bypass system.
Preferably, each of the power supply subsystems is arranged in sequence, and two adjacent power supply subsystems are connected through the bypass system.
Preferably, any two of the power supply subsystems are connected through one bypass system.
Preferably, the DC/DC conversion module in the bypass system is a bidirectional DC/DC conversion module.
Preferably, there are three power supply subsystems, the first power supply subsystem is a telecommunication power supply subsystem, the second power supply subsystem is a mobile power supply subsystem, and the third power supply subsystem is a communication power supply subsystem.
More preferably, the first power supply subsystem includes a first AC/DC conversion module, a first circuit breaker, and a first DC power supply bus, an AC side of the first AC/DC conversion module is connected to an AC power supply, a DC side of the first AC/DC conversion module is connected to one end of the first circuit breaker, and the other end of the first circuit breaker is connected to the first communication base station device through the first DC power supply bus;
the second power supply subsystem comprises a second AC/DC conversion module, a second circuit breaker and a second direct current power supply bus, the alternating current side of the second AC/DC conversion module is connected with an alternating current power supply, the direct current side of the second AC/DC conversion module is connected with one end of the second circuit breaker, and the other end of the second circuit breaker is connected with second communication base station equipment through the second direct current power supply bus;
the third power supply subsystem comprises a third AC/DC conversion module, a third circuit breaker and a third direct current power supply bus, the alternating current side of the third AC/DC conversion module is connected with an alternating current power supply, the direct current side of the third AC/DC conversion module is connected with one end of the third circuit breaker, and the other end of the third circuit breaker is connected with third communication base station equipment through the third direct current power supply bus.
Furthermore, the bypass system comprises a first bypass system and a second bypass system, the first power supply subsystem is connected with the second power supply subsystem through the first bypass system, and the second power supply subsystem is connected with the third power supply subsystem through the second bypass system;
the first bypass system is formed by connecting a first bypass breaker and a first DC/DC conversion module in series; one end of the first bypass circuit breaker is connected with the first direct current power supply bus, the other end of the first bypass circuit breaker is connected with one end of the first DC/DC conversion module, and the other end of the first DC/DC conversion module is connected with the second direct current power supply bus;
the second bypass system is formed by connecting a second bypass breaker and a second DC/DC conversion module in series; one end of the second bypass breaker is connected with the second direct current power supply bus, the other end of the second bypass breaker is connected with one end of the second DC/DC conversion module, and the other end of the second DC/DC conversion module is connected with the third direct current power supply bus.
Furthermore, the bypass system comprises a first bypass system, a second bypass system and a third bypass system, the first power supply subsystem is connected with the second power supply subsystem through the first bypass system, the second power supply subsystem is connected with the third power supply subsystem through the second bypass system, and the first power supply subsystem is connected with the third power supply subsystem through the third bypass system;
the first bypass system is formed by connecting a first bypass breaker and a first DC/DC conversion module in series; one end of the first bypass circuit breaker is connected with the first direct current power supply bus, the other end of the first bypass circuit breaker is connected with one end of the first DC/DC conversion module, and the other end of the first DC/DC conversion module is connected with the second direct current power supply bus;
the second bypass system is formed by connecting a second bypass breaker and a second DC/DC conversion module in series; one end of the second bypass breaker is connected with the second direct current power supply bus, the other end of the second bypass breaker is connected with one end of the second DC/DC conversion module, and the other end of the second DC/DC conversion module is connected with the third direct current power supply bus;
the third bypass system is formed by connecting a third bypass breaker and a third DC/DC conversion module in series; one end of the third bypass breaker is connected with the first direct current power supply bus, the other end of the third bypass breaker is connected with one end of the third DC/DC conversion module, and the other end of the third DC/DC conversion module is connected with the third direct current power supply bus.
Preferably, in the normal independent working state, the circuit breaker of each power supply system is in a closed state, and the bypass circuit breaker of each bypass system is in an open state.
Preferably, when the shared power supply operating state is in the shared power supply operating state, the circuit breaker of the power supply subsystem with the fault is in the open state, and the bypass circuit breaker of any one bypass system connected to the power supply subsystem with the fault is in the closed state.
When the shared power supply system for the communication base station provided by the embodiment of the application normally works, the power supply subsystems of operators are mutually independent, namely, the circuit breakers of the power supply subsystems are closed, the bypass circuit breakers of the bypass systems are opened, the power supply subsystems work independently, and the DC/DC conversion module of each bypass system does not work. When an AC/DC conversion module in a certain power supply subsystem fails, the power supply subsystem connected with the AC/DC conversion module provides direct current for the AC/DC conversion module through the DC/DC conversion module connected with the power supply subsystem, and mutual backup, compatibility and sharing among different power supply systems of various large operators are realized.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the power supply subsystems of all operators are connected by adopting the DC/DC conversion module, when the power supply subsystem of a certain operator breaks down, the power supply subsystems of other operators provide direct current for the power supply subsystem of the certain operator through the connected DC/DC conversion module, the base station equipment of the operator in the communication base station can still be continuously supplied with power, and mutual backup, compatibility and sharing among the power supply subsystems of all operators are realized.
2. The power supply subsystems of the shared power supply system can be mutually backed up, compatible and shared, only one set of shared power supply system is needed in the iron tower machine room of the communication base station, the occupied space of the power supply system in the iron tower machine room of the communication base station is saved, and the construction and operation cost of the communication base station is greatly saved.
3. The master control unit is adopted to uniformly collect data of each operator, and the circuit breaker is used for controlling the start and stop of each power supply subsystem and the bypass system, so that the uniform management and scheduling of the power supply system of the communication base station are realized, and the reliability of the power supply system of the whole communication base station is improved.
Drawings
Fig. 1 is a schematic structural diagram of a shared power supply system for a communication base station according to a first embodiment of the present application;
FIG. 2 is a schematic structural diagram of a control system according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a shared power supply system for a communication base station according to a second embodiment of the present application.
Detailed Description
The embodiment of the application solves the problem that voltage grade standards of power supply systems of various large operators in the prior art are not uniform, so that the power supply systems of the large operators cannot be compatible and shared, mutual backup, compatibility and sharing among different power supply systems of the large operators are realized, the reliability of the power supply systems of the communication base station is improved, the occupied space of an iron tower machine room of the communication base station is saved, and the construction and running cost of the communication base station is saved.
In order to solve the technical problems, the general idea of the embodiment of the application is as follows:
the input of the alternating current power supply is firstly converted into high-voltage direct current power supply with different voltage grades required by each operator through different AC/DC (alternating current/direct current) conversion modules, and power supply subsystems with different voltage grades required by each operator are formed. The power supply subsystems of all operators are connected by adopting a DC/DC conversion module, when the power supply subsystem of a certain operator breaks down, the power supply subsystems of other operators provide direct current for the power supply subsystem of the certain operator through the DC/DC conversion module connected with the power supply subsystem of the other operator, the base station equipment of the operator in the communication base station can still obtain uninterrupted power supply, mutual backup, compatibility and sharing among the power supply systems of all operators are realized, the unified management and scheduling of the power supply system of the communication base station are facilitated, and the reliability of the power supply system of the whole communication base station is improved.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
Fig. 1 is a schematic structural diagram of a shared power supply system for a communication base station in an embodiment of the present application, where the shared power supply system for a communication base station includes a first power supply subsystem, a second power supply subsystem, a third power supply subsystem … …, an nth power supply subsystem (N is an integer greater than 1), and other multiple power supply subsystems, each power supply subsystem is formed by sequentially connecting an AC/DC conversion module, a circuit breaker, and a DC power supply bus, adjacent power supply subsystems are connected by a bypass system, and the bypass system is formed by connecting a bypass circuit breaker and a DC/DC conversion module in series.
With reference to fig. 2, the main control unit is connected to all of the AC/DC conversion module, the circuit breaker, the bypass circuit breaker, and the DC/DC conversion module, so as to implement unified management and control of the entire system.
At present, three operators of china telecom, mobile and unicom are mainstream in China, so the embodiment takes three power supply subsystems as an example for explanation, and the following are provided: the first power supply subsystem is a telecommunication power supply subsystem, the second power supply subsystem is a mobile power supply subsystem, and the third power supply subsystem is a communication power supply subsystem.
Specifically, the first power supply subsystem comprises a first AC/DC conversion module, a first circuit breaker and a first direct current power supply bus, wherein an alternating current side of the first AC/DC conversion module is connected with an alternating current power supply, a direct current side of the first AC/DC conversion module is connected with one end of the first circuit breaker, and the other end of the first circuit breaker is connected with the first communication base station equipment through the first direct current power supply bus. The first AC/DC conversion module converts commercial power alternating current into high-voltage direct current and supplies power to the first communication base station equipment through a first direct current power supply bus.
The second power supply subsystem comprises a second AC/DC conversion module, a second circuit breaker and a second direct current power supply bus, the alternating current side of the second AC/DC conversion module is connected with an alternating current power supply, the direct current side of the second AC/DC conversion module is connected with one end of the second circuit breaker, and the other end of the second circuit breaker is connected with the second communication base station equipment through the second direct current power supply bus. And the second AC/DC conversion module converts alternating current of the commercial power into high-voltage direct current and supplies power to the second communication base station equipment through a second direct current power supply bus.
The third power supply subsystem comprises a third AC/DC conversion module, a third circuit breaker and a third direct current power supply bus, the alternating current side of the third AC/DC conversion module is connected with an alternating current power supply, the direct current side of the third AC/DC conversion module is connected with one end of the third circuit breaker, and the other end of the third circuit breaker is connected with the third communication base station equipment through the third direct current power supply bus. And the third AC/DC conversion module converts alternating current of the commercial power into high-voltage direct current and supplies power to third communication base station equipment through a third direct current power supply bus.
The first power supply subsystem is connected with the second power supply subsystem through a first bypass system, and the first bypass system is formed by connecting a first bypass breaker and a first DC/DC conversion module in series. One end of the first bypass circuit breaker is connected with the first direct current power supply bus, the other end of the first bypass circuit breaker is connected with one end of the first DC/DC conversion module, and the other end of the first DC/DC conversion module is connected with the second direct current power supply bus.
The second power supply subsystem is connected with the third power supply subsystem through a second bypass system, and the second bypass system is formed by connecting a second bypass breaker and a second DC/DC conversion module in series. One end of the second bypass circuit breaker is connected with the second direct current power supply bus, the other end of the second bypass circuit breaker is connected with one end of the second DC/DC conversion module, and the other end of the second DC/DC conversion module is connected with the third direct current power supply bus.
The first DC/DC conversion module and the second DC/DC conversion module are both bidirectional DC/DC conversion modules.
The main control unit is connected with the first AC/DC conversion module, the second AC/DC conversion module, the third AC/DC conversion module, the first circuit breaker, the second circuit breaker, the third circuit breaker, the first bypass circuit breaker, the second bypass circuit breaker, the first DC/DC conversion module and the second DC/DC conversion module, and unified management and control of the whole system are achieved.
During normal operation, the power supply subsystems of the operators are mutually independent, namely: the first circuit breaker, the second circuit breaker and the third circuit breaker are all closed, the first bypass circuit breaker and the second bypass circuit breaker are all opened, the first power supply subsystem, the second power supply subsystem and the third power supply subsystem work independently, and the first DC/DC conversion module and the second DC/DC conversion module do not work.
When an AC/DC conversion module in a certain power supply subsystem fails, the adjacent power supply subsystem provides direct current for the power supply subsystem through the connected DC/DC conversion module.
For example, the main control unit detects that a first AC/DC conversion module of the telecommunication power supply subsystem fails, controls the first circuit breaker to open, closes the first bypass circuit breaker, converts the direct current in the second power supply subsystem (mobile power supply subsystem) into a direct current suitable for the voltage level of the first power supply subsystem (telecommunication power supply subsystem) through the first DC/DC conversion module, and provides the direct current for the first base station equipment of the electric credit through the first direct current power supply bus, so as to ensure that the first base station equipment (telecommunication base station equipment) in the communication base station can still obtain uninterrupted power supply when the telecommunication power supply subsystem fails.
For another example, when the main control unit detects that a second AC/DC conversion module of the mobile power supply subsystem fails, it controls the second circuit breaker to open, the first or second bypass circuit breaker to close, the first DC/DC conversion module or the second DC/DC conversion module converts the direct current in the first power supply subsystem (telecommunications power supply subsystem) or the third power supply subsystem (communications power supply subsystem) into a direct current suitable for the voltage level of the second power supply subsystem (mobile power supply subsystem), and the second DC power supply bus provides the direct current for the second base station device for mobile use, so as to ensure that the second base station device (mobile base station device) in the communication base station can still obtain uninterrupted power supply when the mobile power supply subsystem fails.
For another example, when the main control unit detects that a third AC/DC conversion module of the connected power supply subsystem fails, the third circuit breaker is controlled to be opened, the second bypass circuit breaker is closed, the second DC/DC conversion module converts the direct current in the second power supply subsystem (mobile power supply subsystem) into a direct current suitable for the voltage class of the third power supply subsystem (connected power supply subsystem), and the third direct current power supply bus provides the direct current for the third universal base station device, so as to ensure that the third base station device (connected base station device) in the communication base station can still obtain uninterrupted power supply when the connected power supply subsystem fails.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
1. the power supply subsystems of all operators are connected by adopting the DC/DC conversion module, when the power supply subsystem of a certain operator breaks down, the power supply subsystems of other operators provide direct current for the power supply subsystem of the certain operator through the connected DC/DC conversion module, the base station equipment of the operator in the communication base station can still be continuously supplied with power, and mutual backup, compatibility and sharing among the power supply subsystems of all operators are realized.
2. The power supply subsystems of the shared power supply system can be mutually backed up, compatible and shared, only one set of shared power supply system is needed in the iron tower machine room of the communication base station, the occupied space of the power supply system in the iron tower machine room of the communication base station is saved, and the construction and operation cost of the communication base station is greatly saved.
3. The master control unit is adopted to uniformly collect data of each operator, and the circuit breaker is used for controlling the start and stop of each power supply subsystem and the bypass system, so that the uniform management and scheduling of the power supply system of the communication base station are realized, and the reliability of the power supply system of the whole communication base station is improved.
Example two
The present embodiment is basically the same as the first embodiment, and the difference is only that:
in the first embodiment, only the adjacent power supply subsystems are connected through the bypass system, and in the present embodiment, any two power supply subsystems are connected through the bypass system.
Three power supply subsystems are taken as an example for explanation, and the following are set: the first power supply subsystem is a telecommunication power supply subsystem, the second power supply subsystem is a mobile power supply subsystem, and the third power supply subsystem is a communication power supply subsystem.
In the first embodiment, two bypass systems are provided, the first power supply subsystem is connected to the second power supply subsystem through the first bypass system, and the second power supply subsystem is connected to the third power supply subsystem through the second bypass system.
In this embodiment, three bypass systems are provided, the first power supply subsystem is connected to the second power supply subsystem through the first bypass system, the second power supply subsystem is connected to the third power supply subsystem through the second bypass system, and the first power supply subsystem is connected to the third power supply subsystem through the third bypass system.
The third bypass system is formed by connecting a third bypass breaker and a third DC/DC conversion module in series. One end of the third bypass breaker is connected with the first direct current power supply bus, the other end of the third bypass breaker is connected with one end of the third DC/DC conversion module, and the other end of the third DC/DC conversion module is connected with the third direct current power supply bus.
In the first embodiment, when the first power supply subsystem fails, the first power supply subsystem can only be supplied with power through the second power supply subsystem. In this embodiment, when the first power supply subsystem fails, the second power supply subsystem or the third power supply subsystem may be used to supply power to the first power supply subsystem. Thus, the reliability of the whole shared power supply system can be further improved.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element may be termed a second element, and, similarly, a second element may be termed a first element, without departing from the scope of example embodiments.
While the foregoing is directed to the preferred embodiment of the present application, and not to the limiting thereof in any way and any way, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. Those skilled in the art can make various changes, modifications and equivalent arrangements to those skilled in the art without departing from the spirit and scope of the present application; moreover, any equivalent alterations, modifications and variations of the above-described embodiments according to the spirit and techniques of this application are intended to be within the scope of the claims of this application.
Claims (10)
1. A shared power supply system for a communication base station, comprising:
the power supply system comprises at least two power supply subsystems, wherein each power supply subsystem is formed by sequentially connecting an AC/DC conversion module, a circuit breaker and a direct current power supply bus;
the bypass system is connected with the two power supply subsystems and consists of a bypass breaker and a DC/DC conversion module which are connected in series;
and the main control unit is connected with the AC/DC conversion module and the circuit breaker of each power supply system, and the bypass circuit breaker and the DC/DC conversion module of each bypass system.
2. The shared power system for a communication base station as claimed in claim 1, wherein each of said power supply systems is arranged in sequence, and two of said power supply systems disposed adjacently are connected to each other through said bypass system.
3. The shared power system for a communication base station as claimed in claim 1, wherein any two of the power supply subsystems are connected through one of the bypass systems.
4. The shared power system for communication base stations as claimed in claim 1, wherein the DC/DC conversion module in the bypass system is a bidirectional DC/DC conversion module.
5. The shared power system for a communication base station as claimed in claim 1, wherein there are three power supply subsystems, the first power supply subsystem being a telecommunications power supply subsystem, the second power supply subsystem being a mobile power supply subsystem, and the third power supply subsystem being a communications power supply subsystem.
6. The shared power supply system for the communication base station as claimed in claim 5, wherein the first power supply subsystem comprises a first AC/DC conversion module, a first circuit breaker and a first DC power supply bus, wherein an AC side of the first AC/DC conversion module is connected to an AC power source, a DC side of the first AC/DC conversion module is connected to one end of the first circuit breaker, and the other end of the first circuit breaker is connected to the first communication base station device through the first DC power supply bus;
the second power supply subsystem comprises a second AC/DC conversion module, a second circuit breaker and a second direct current power supply bus, the alternating current side of the second AC/DC conversion module is connected with an alternating current power supply, the direct current side of the second AC/DC conversion module is connected with one end of the second circuit breaker, and the other end of the second circuit breaker is connected with second communication base station equipment through the second direct current power supply bus;
the third power supply subsystem comprises a third AC/DC conversion module, a third circuit breaker and a third direct current power supply bus, the alternating current side of the third AC/DC conversion module is connected with an alternating current power supply, the direct current side of the third AC/DC conversion module is connected with one end of the third circuit breaker, and the other end of the third circuit breaker is connected with third communication base station equipment through the third direct current power supply bus.
7. The shared power system for communication base stations as claimed in claim 6, wherein the bypass system comprises a first bypass system and a second bypass system, the first power supply subsystem and the second power supply subsystem are connected through the first bypass system, and the second power supply subsystem and the third power supply subsystem are connected through the second bypass system;
the first bypass system is formed by connecting a first bypass breaker and a first DC/DC conversion module in series; one end of the first bypass circuit breaker is connected with the first direct current power supply bus, the other end of the first bypass circuit breaker is connected with one end of the first DC/DC conversion module, and the other end of the first DC/DC conversion module is connected with the second direct current power supply bus;
the second bypass system is formed by connecting a second bypass breaker and a second DC/DC conversion module in series; one end of the second bypass breaker is connected with the second direct current power supply bus, the other end of the second bypass breaker is connected with one end of the second DC/DC conversion module, and the other end of the second DC/DC conversion module is connected with the third direct current power supply bus.
8. The shared power system for communication base stations as claimed in claim 6, wherein the bypass system comprises a first bypass system, a second bypass system and a third bypass system, the first power supply subsystem is connected to the second power supply subsystem through the first bypass system, the second power supply subsystem is connected to the third power supply subsystem through the second bypass system, and the first power supply subsystem is connected to the third power supply subsystem through the third bypass system;
the first bypass system is formed by connecting a first bypass breaker and a first DC/DC conversion module in series; one end of the first bypass circuit breaker is connected with the first direct current power supply bus, the other end of the first bypass circuit breaker is connected with one end of the first DC/DC conversion module, and the other end of the first DC/DC conversion module is connected with the second direct current power supply bus;
the second bypass system is formed by connecting a second bypass breaker and a second DC/DC conversion module in series; one end of the second bypass breaker is connected with the second direct current power supply bus, the other end of the second bypass breaker is connected with one end of the second DC/DC conversion module, and the other end of the second DC/DC conversion module is connected with the third direct current power supply bus;
the third bypass system is formed by connecting a third bypass breaker and a third DC/DC conversion module in series; one end of the third bypass breaker is connected with the first direct current power supply bus, the other end of the third bypass breaker is connected with one end of the third DC/DC conversion module, and the other end of the third DC/DC conversion module is connected with the third direct current power supply bus.
9. The shared power system for communication base stations as claimed in claim 1, wherein in the normal independent operating state, the circuit breakers of each of the power supply systems are in a closed state, and the bypass circuit breakers of each of the bypass systems are in an open state.
10. The shared power supply system for communication base stations as claimed in claim 1, wherein in the shared power supply operation state, the circuit breaker of the power supply subsystem with the fault is in an open state, and the bypass circuit breaker of any one bypass system connected to the power supply subsystem with the fault is in a closed state.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921991938.9U CN211266479U (en) | 2019-11-18 | 2019-11-18 | Shared power supply system for communication base station |
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| CN201921991938.9U CN211266479U (en) | 2019-11-18 | 2019-11-18 | Shared power supply system for communication base station |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784789A (en) * | 2022-06-21 | 2022-07-22 | 北京杉杉凯励新能源科技有限公司 | Iron tower basic station new forms of energy storage teletransmission electrical power generating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784789A (en) * | 2022-06-21 | 2022-07-22 | 北京杉杉凯励新能源科技有限公司 | Iron tower basic station new forms of energy storage teletransmission electrical power generating system |
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