CN110635559A - Energy-saving and consumption-reducing back-up power system for wind power storage communication base station - Google Patents

Abstract

The invention relates to the field of new energy technology, and discloses a backup power supply system for a wind power storage communication base station capable of saving energy and reducing consumption, including a solar battery panel, a wind power generator, a wind and solar complementary controller, a public power grid, a backup lithium battery pack, and a solar battery The board and the wind generator are respectively electrically connected to the wind-solar hybrid controller, the wind-solar hybrid controller is electrically connected to the ‑48VDC DC bus, the public power grid is electrically connected to the three-phase watt-hour meter through the mains input switch, and then electrically connected to the The rectifier is output to the ‑48VDC DC bus through the anti-reflux diode. The backup lithium battery pack is electrically connected to the charging current limiting module through a battery switch. The charging current limiting module is electrically connected to the Hall current sensor, and the Hall current sensor is connected to the ‑48VDC DC Bus electrical connections. The technical scheme of the invention can effectively utilize solar energy, wind energy and energy storage battery for interactive power supply, improves the energy utilization rate of the base station, and greatly saves electric energy consumption.

Description

Energy-saving and consumption-reducing back-up power system for wind power storage communication base station

technical field

The invention relates to the technical field of new energy, in particular to a backup power supply system for a wind-solar power storage communication base station capable of saving energy and reducing consumption.

Background technique

The current energy consumption of the telecom industry is mainly concentrated in the widely distributed base stations, and the energy consumption of the base stations is mainly electricity. Large-scale replacement of low-power base station equipment, it is difficult to achieve a major breakthrough by reducing the effective power consumption of the base station. The application of new green energy to replace or partially replace the original energy supply of base stations, while strengthening the refined management of base station electricity charges, has become one of the most effective means to reduce base station energy consumption and control power costs. development is of great significance.

Contents of the invention

The main purpose of the present invention is to propose a backup power system for wind power storage communication base stations that can save energy and reduce consumption. energy consumption, reduce operation and maintenance costs, and achieve the goal of overall energy saving and emission reduction.

In order to achieve the above-mentioned purpose, the wind-wind power storage communication base station backup power system that can save energy and reduce consumption proposed by the present invention includes a wind-wind hybrid power generation system, a public power grid, and a backup lithium battery pack. The wind-solar hybrid power generation system includes solar panels, wind power generation machine and a wind-solar hybrid controller, the output end of the solar panel is electrically connected to the photovoltaic cell interface of the wind-solar hybrid controller, the output end of the wind generator is electrically connected to the fan interface of the wind-solar hybrid controller, The battery interface of the wind-solar hybrid controller is electrically connected to the -48VDC DC bus through a controller DC output switch, and the 380VAC three-phase AC mains output from the public grid is protected by a lightning protection circuit breaker and a surge protector. The mains input switch is electrically connected to the three-phase watt-hour meter, and then electrically connected to the rectifier through a rectifier switch. The rectifier is output to the -48VDC DC bus through an anti-reflux diode. The switch is electrically connected to the charge current limiting module, and a battery discharge switch and a discharge transition diode are respectively connected in parallel at both ends of the charge current limit module, and the charge current limit module, the battery discharge switch and the discharge transition diode are respectively electrically connected to the Hall current sensor , the Hall current sensor is electrically connected to the -48VDC DC bus, and the -48VDC DC bus is electrically connected to the communication base station load.

Optionally, the photovoltaic cell interface and the fan interface are respectively connected to the surge protector through a lightning protection circuit breaker.

Optionally, the wind-solar hybrid power generation system further includes an external unloading resistor, and the external unloading resistor is electrically connected to the unloading resistor interface of the wind-solar hybrid controller.

Optionally, the solar cell panel adopts 96 polycrystalline silicon solar cells connected in series to form a 48VDC solar cell panel.

Optionally, the backup lithium battery pack further includes a battery management device, and the battery management device is electrically connected to the cells, the Hall current sensor and the charging current limiting module of the backup lithium battery pack, respectively.

Optionally, the backup lithium battery pack adopts multiple single cells connected in series and parallel to form a 48VDC backup power supply.

Optionally, the battery discharge switch is a high voltage relay or a DC contactor.

Optionally, the mains input switch, rectifier switch, controller DC output switch, battery switch and DC output switch are all AC circuit breakers.

Optionally, the communication base station loads include DC loads and AC loads, the DC loads include base station equipment, transmission equipment, and dynamic environment monitoring devices, and the AC loads are connected to the On the -48VDC DC bus, the DC load is electrically connected to the -48VDC DC bus after passing through the DC output switch. The inverter, three-phase watt-hour meter, battery management device and wind-solar hybrid The bus is in data connection with the dynamic environment monitoring device, and the dynamic environment monitoring device is in data connection with the background data center through GPRS communication.

Adopting the technical scheme of the present invention has the following beneficial effects: the technical scheme of the present invention cleverly utilizes the complementarity of solar energy and wind energy in terms of time and area, and combines the two to realize day and night power generation, and the surplus energy is used for the backup lithium battery pack at the same time Charging overcomes the problems of large randomness and poor power supply reliability caused by geographical distribution, seasonal changes, and day-night alternation when solar or wind energy is used alone. Under suitable climatic conditions, the wind-solar hybrid power generation system improves system power supply Continuity, stability and reliability, effective use of solar energy, wind energy and energy storage batteries for interactive power supply, combined with the national peak-valley time-of-use electricity price policy to carry out refined management of base station power consumption and peak-shaving and flat-valley strategies to minimize The base station consumes conventional energy and the resulting carbon emissions and polluting gases, and minimizes the telecom operator's electricity bill, and only charges the battery pack during the low power consumption period, that is, when the grid electricity price is the lowest. The energy utilization rate of the base station has been improved, a large emission reduction benefit has been obtained, and the power consumption has been greatly saved; compared with the traditional base station power supply system, the energy saving rate of the wind power storage power supply system proposed in this scheme has reached 66.7%. The cost has been reduced by 84.2%, which has helped telecom operators greatly reduce the cost of power operation and maintenance, and achieved the goal of overall energy saving and emission reduction. It can be used as a base station energy saving and consumption reduction solution for large-scale promotion and application.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is a schematic diagram of the topology of a backup power system for a wind-power-storage-communication base station that can save energy and reduce consumption according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of the internal circuit of the charging current limiting module of a backup power supply system of a wind power storage communication base station that can save energy and reduce consumption according to an embodiment of the present invention;

Fig. 3 is a connection diagram of the communication network in the power supply system of the communication base station of a backup power system of a wind power storage communication base station that can save energy and reduce consumption according to an embodiment of the present invention.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

The invention proposes a backup power supply system for a wind-solar power-storage communication base station capable of saving energy and reducing consumption.

As shown in Fig. 1 to Fig. 3, in an embodiment of the present invention, the backup power system of the wind-wind power storage communication base station that can save energy and reduce consumption includes a wind-wind hybrid power generation system 100, a public power grid 200, and a backup lithium battery pack 300. The wind-solar hybrid power generation system 100 includes a solar panel 101, a wind generator 102, and a wind-solar hybrid controller 103, the output end of the solar panel 101 is electrically connected to the photovoltaic cell interface of the wind-solar hybrid controller 103, and the wind power The output end of the generator 102 is electrically connected to the fan interface of the wind-solar hybrid controller 103, and the battery interface of the wind-solar hybrid controller 103 is electrically connected to the -48VDC DC bus after passing through a controller DC output switch. The 380VAC three-phase AC mains output at 200 Ω is protected by a lightning protection circuit breaker and a surge protector, and then electrically connected to a three-phase watt-hour meter through a mains input switch, and then electrically connected to a rectifier through a rectifier switch, and the rectifier passes through The anti-reflux diode is output to the -48VDC DC bus. The backup lithium battery pack 300 is electrically connected to the charging current limiting module 301 through a battery switch. transition diode, the charge current limiting module 301, the battery discharge switch and the discharge transition diode are respectively electrically connected to the Hall current sensor 302, the Hall current sensor 302 is electrically connected to the -48VDC DC bus, and the -48VDC DC The busbar is electrically connected to the communication base station load 400 .

Specifically, the wind-solar hybrid controller 103 is equipped with a three-phase bridge rectifier circuit and a DC/DC conversion circuit, which can convert the changing three-phase alternating current output by the wind generator into a 48VDC direct current voltage.

Specifically, the function of the three-phase watt-hour meter is to measure the electric energy consumed by the base station, and the power grid company charges electricity charges based on this; the function of the rectifier is to convert the three-phase alternating current into a pulsating direct current voltage of about 513VDC, which is input to the step-down After the voltage-to-DC conversion circuit DC/DC is converted into 48VDC DC voltage.

Specifically, the photovoltaic cell interface and the fan interface are respectively connected to a surge protector through a lightning protection circuit breaker. The function of the surge protector is to quickly discharge the lightning surge current into the ground, thereby protecting the electrical equipment from lightning strikes. , The lightning protection circuit breaker can quickly cut off the connection between the surge protector and the main circuit after it is aged or damaged, so as to avoid causing other failures.

Specifically, the wind-solar hybrid power generation system 100 also includes an external unloading resistor 104, and the external unloading resistor 104 is electrically connected to the unloading resistor interface of the wind-solar hybrid controller 103. There will be overvoltage, which threatens the safety of the motor and the system. Therefore, it is necessary to increase the unloading resistor to ensure the safety of the system. The wind-solar hybrid controller 103 automatically controls the conduction angle of the internal bidirectional thyristor connected in series with the unloading resistor according to the magnitude of the overvoltage to stabilize system voltage.

Specifically, the solar cell panel 101 adopts 96 polycrystalline silicon solar cells connected in series to form a 48VDC solar cell panel.

Specifically, the backup lithium battery pack 300 also includes a battery management device 303, and the battery management device 303 is electrically connected to the batteries of the backup lithium battery pack 300, the Hall current sensor 302 and the charging current limiting module 301, According to Maas's law, the charging and discharging of lithium batteries is a complex electrochemical process, and its acceptable current capacity gradually decreases with the progress of the charging process, so simply charging according to constant current or constant voltage does not meet the charging characteristics of lithium batteries and mechanism. The initial charging current of the constant voltage charging mode is very large, which often causes damage to the battery; in the late charging period of the constant current charging mode, the battery's power receiving capacity decreases, the charging current utilization rate and charging rate will both decrease, and may cause the battery to overcharge and damaged.

Specifically, the function of the charging current limiting module 301 is to control and adjust the charging current of the -48VDC DC bus to the backup lithium battery pack 300, its internal circuit schematic diagram is shown in Figure 2, and the battery management device 303 samples the backup lithium battery pack in real time. The voltage of the single cell in 300 and the induced current of the Hall current sensor 302 control the duty cycle of the output PWM pulse drive signal according to the voltage and current value according to the acceptable current curve of Maas, so as to achieve the purpose of intelligently adjusting the charging current .

Specifically, the backup lithium battery pack 300 uses multiple cells in series and parallel to form a 48VDC DC backup power supply, which simultaneously plays two major roles in energy regulation and load balancing in the system, and converts the excess electric energy output by the wind-solar hybrid power generation system It is converted into chemical energy and stored for use when the power supply is insufficient.

Specifically, the battery discharge switch is a high-voltage relay or a DC contactor, controlled by the battery management device 303, and it, together with the charging current limiting module and the discharging transition diode, realizes the charging protection, discharging protection and uninterrupted switching functions of the lithium battery pack . The battery management device 303 adopts high-reliability components, and has the functions of protecting the lithium battery pack from overvoltage, undervoltage, overtemperature, overload and short circuit, and balancing the battery capacity. The battery management device 303 performs calculation processing on various analog parameters obtained by sampling, and according to the calculation and processing results, carries out the battery pack remaining capacity (SOC), battery pack health status (SOH), battery pack next maximum charging and discharging power (SOP) ) and other core algorithm calculations and related logical protection judgment actions.

Specifically, when the backup lithium battery pack 300 is short of power, the battery management device 303 turns off the battery discharge switch, and controls the duty cycle of the PWM pulse driving signal on the gate of the internal MOS transistor Q1 of the charging current limiting module to stage the lithium battery pack. Constant current charging, at this time the discharge transition diode is cut off due to the reverse voltage; when the backup lithium battery pack 300 is fully charged, the battery management device 303 disconnects the charging current limiting module, and the backup lithium battery pack 300 is in a standby power state; when- When the power on the 48VDC DC bus is not enough to supply the load of the base station, the backup lithium battery pack 300 is continuously switched to the DC bus through the discharge transition diode, and starts to provide reserve energy. At this time, the Hall current sensor 302 senses the discharge current and sends it to the battery management The device 303, the battery management device 303 immediately closes the battery discharge switch, and short-circuits the discharge transition diode, so that the backup lithium battery pack 300 can continue to supply energy through the battery discharge switch. The discharge transition diode is a high-power power diode with a voltage drop of 1-2VDC. If it continues to pass through a large current, it will generate heat and cause a large power loss. It is skillfully combined with the battery discharge switch, which not only realizes the uninterrupted operation of the backup lithium battery pack 300 Switching can avoid generating heat and power consumption.

Specifically, the mains input switch, rectifier switch, controller DC output switch, battery switch, and DC output switch are all AC circuit breakers, all of which are fault protection switches that can quickly cut off the fault current of the main circuit to protect the safe operation of the power supply system. .

Specifically, the communication base station load 400 includes a DC load 401 and an AC load 402, the DC load 401 includes base station equipment, transmission equipment, and a dynamic environment monitoring device 4011, and the AC load 402 passes through an inverter and an inverter input switch Connected to the -48VDC DC bus, the DC load 401 is electrically connected to the -48VDC DC bus through a DC output switch, the inverter, three-phase watt-hour meter and wind-solar hybrid controller 103 Data connection with the dynamic environment monitoring device 4011 through RS485 bus, and the dynamic environment monitoring device 4011 data connection with the background data center 4012 through GPRS communication.

Specifically, the function of the dynamic environment monitoring device 4011 is to conduct centralized monitoring of the power equipment and environmental variables of the base station, and collect telemetry, remote signaling, etc. for each distributed independent power equipment, computer room environment, and computer room security monitoring objects, and monitor the system in real time. and the operating status of equipment and security, record and process relevant data, detect faults in time, and perform necessary remote control and remote adjustment operations, and timely notify personnel to deal with them, so as to realize less people in the computer room, unattended, and centralized power supply and air conditioning Monitor, maintain and manage to improve the reliability of the power supply system and the security of communication equipment. The inverter, three-phase watt-hour meter, battery management device and wind-solar hybrid controller upload real-time operating status and various digital and analog acquisition parameters to the dynamic environment monitoring device through the RS485 bus, and the dynamic environment monitoring device transmits various data After the information is summarized, use the integrated wireless remote transmission unit to actively report to the background data center by means of GPRS communication. At the same time, it can also accept the control commands issued by the background data center. The communication between the various control modules in the base station power supply system The network links are shown in Figure 3.

Specifically, in combination with the topology of the base station power system proposed in the present invention, taking a base station with a 2KW communication load as an example, the configuration specifications of the wind-solar storage capacity are as follows:

The backup lithium battery pack 300 is configured with a capacity of 48V/1000Ah. It is composed of two sets of 48V/500Ah lithium iron phosphate battery packs connected in parallel. Each set is composed of 16 combined batteries connected in series. The working voltage range is 43.2-57.6VDC. The reserve energy of the backup lithium battery pack is 48KWh, which can run independently for 24 hours in the event of a power outage and the wind-solar hybrid controller cannot generate electricity; it is equipped with a 2KW wind-solar hybrid controller, of which the rated power of the fan is 2KW, the rated power of the solar is 600W, and the rated DC The output voltage is 48VDC.

Table 1 Time-of-use electricity price list of grid sales peak and valley in a province in 2018

According to the National Development and Reform Commission's electricity price policy for general industrial and commercial electricity, a province in central China implements peak-valley time-of-use electricity prices. Table 1 is the province's 2018 peak-valley time-of-use electricity price table for grid sales. The base price will be raised by 180%, and the low-peak electricity price will be lowered by 48% on the basis of the base price. The goal of this solution is to save energy, reduce consumption and reduce power operation costs. It focuses on wind and solar storage power generation, supplemented by city power. Assuming that the base station is running at full load 24 hours a day, its power supply mode and working process are described as follows:

(1) During the day, when the sun is the strongest and the wind is small, the power generation of solar panels is stable and reliable. The wind-solar hybrid controller adopts the maximum power point tracking (MPPT) technology to improve the utilization rate of solar energy, providing 600W load power, and the backup lithium battery pack passes through The battery discharge switch and discharge transition diode provide the remaining 1400 W load power;

(2) In the morning and evening, the light is very weak, but due to the large surface temperature difference and the wind energy is strengthened, the wind turbine has energy output but the power is not large. The wind-solar hybrid controller provides a certain The load power and gap energy are supplemented by the backup lithium battery pack;

(3) Under windy weather conditions, the output power of wind turbines is relatively large. The wind-solar hybrid controller provides 2KW load power through the internal rectification circuit and DC/DC conversion circuit. If there is surplus energy, it will charge the backup lithium battery pack at the same time. However, if the fan is over-speeded or overloaded, the unloading resistor will be used in time to consume the excess energy through the unloading resistor;

(4) Under the climatic conditions where wind and sunlight coexist, solar panels and wind generators jointly provide load power through the wind-solar hybrid controller. If the output power exceeds 2KW, the surplus energy will charge the backup lithium battery pack at the same time. If The lithium battery pack is fully charged, the wind and solar hybrid controller unloads the fan through the unloading resistor, and the solar panel is unloaded through an open circuit;

(5) During the low power consumption period at night, the electricity price is the lowest. At this time, if the wind speed is too low or there is no wind, the public grid power will be started. Lithium battery pack for charging;

(6) During the peak period of electricity consumption, the public grid mains power is not used; if the power consumption section is under the condition of no wind and no sunlight, and the backup lithium battery pack is in a state of power loss, the public grid mains power is used to supply the communication load Power supply, and charge the backup lithium battery pack at the same time; when the lithium battery pack is fully charged, the battery management device disconnects the charging current limiting module, and the lithium battery pack is in a standby power state.

To sum up, if the traditional power supply system based on the combination of mains power, oil generator and lead-acid battery is compared with the pure green energy-saving power generation system proposed in this plan, which is based on wind and storage power generation and supplemented by mains power, the 2KW For the communication base station with communication load, if it operates at full capacity around the clock, the total annual electricity consumption of the traditional power supply system = 2KW × 365 × 24h = 17520KWh, and the electricity fee should be paid = [(6/24) × 1.52 yuan/KWh+(10/24) ×0.84 yuan/KWh+(8/24)×0.41 yuan/KWh]×17520KWh＝15184.6 yuan; the power supply system proposed in this scheme only consumes mains power during low power consumption periods, and the total annual consumption of mains power=2KW×365× 8h＝5840KWh, payable electricity fee＝0.41 yuan/KWh×5840KWh＝2394.4 yuan; energy-saving rate＝(17520KWh－5840KWh)/17520KWh＝66.7%, electricity cost reduction ratio＝(15184.6 yuan－2394.4 yuan)/15184.6 yuan＝84.2 %.

Specifically, the present invention cleverly utilizes the complementarity of solar energy and wind energy in terms of time and area, and combines the two to realize day and night power generation. Distribution, seasonal changes, alternation of day and night, and other problems caused by large randomness and poor reliability of power supply. Under suitable climatic conditions, the wind-solar hybrid power generation system improves the continuity, stability and reliability of the system's power supply, and effectively utilizes solar energy , wind energy and energy storage batteries for interactive power supply, combined with the national peak-valley time-of-use electricity price policy to conduct refined management of base station power consumption and peak-shaving and flat-valley strategies, to minimize the base station’s consumption of conventional energy and the resulting carbon emissions and polluting gases, and minimize the telecom operators’ electricity bills, and only charge the battery pack during the low electricity consumption period, that is, when the grid electricity price is the lowest, which improves the energy utilization rate of the base station and obtains a large reduction Compared with the traditional base station power supply system, the energy saving rate of the wind power storage power supply system proposed in this scheme has reached 66.7%, and the cost of electricity expenses has been reduced by 84.2%, which has greatly helped telecom operators. It reduces the cost of power operation and maintenance, and achieves the goal of overall energy saving and emission reduction. It can be used as a base station energy saving and consumption reduction solution for large-scale promotion and application.

The above is only a preferred embodiment of the present invention, and does not therefore limit the patent scope of the present invention. Under the inventive concept of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or direct/indirect use All other relevant technical fields are included in the patent protection scope of the present invention.

Claims (9)

1. A wind-wind power storage communication base station backup power system that can save energy and reduce consumption is characterized in that it includes a wind-wind hybrid power generation system, a public power grid, and a backup lithium battery pack, and the wind-wind hybrid power generation system includes solar panels and wind generators and a wind-solar hybrid controller, the output end of the solar cell panel is electrically connected to the photovoltaic battery interface of the wind-solar hybrid controller, and the output end of the wind generator is electrically connected to the fan interface of the wind-solar hybrid controller, so The storage battery interface of the wind-solar hybrid controller is electrically connected to the -48VDC DC bus through a DC output switch of the controller. The mains input switch is electrically connected to the three-phase watt-hour meter, and then electrically connected to the rectifier through a rectifier switch. The rectifier outputs to the -48VDC DC bus through an anti-reflux diode, and the backup lithium battery pack passes through a battery switch. Electrically connected to the charge current limiting module, a battery discharge switch and a discharge transition diode are respectively connected in parallel at both ends of the charge current limit module, and the charge current limit module, battery discharge switch and discharge transition diode are respectively electrically connected to the Hall current sensor, The Hall current sensor is electrically connected to the -48VDC DC bus, and the -48VDC DC bus is electrically connected to the communication base station load. 2. The backup power supply system for wind, power, storage and communication base stations capable of saving energy and reducing consumption according to claim 1, wherein the photovoltaic cell interface and the fan interface are respectively connected to a surge protector through a lightning protection circuit breaker. 3. The wind-solar power storage communication base station backup power system capable of saving energy and reducing consumption according to claim 1, characterized in that, the wind-solar hybrid power generation system also includes an external unloading resistor, and the external unloading resistor is connected to the wind-solar The unloading resistor interface of the complementary controller is electrically connected. 4. The backup power supply system for wind, electricity, storage and communication base stations capable of saving energy and reducing consumption according to claim 1, wherein the solar panels use 96 polysilicon solar cells connected in series to form 48VDC solar panels. 5. The backup power supply system for wind, power, storage and communication base stations capable of saving energy and reducing consumption according to claim 1, wherein the backup lithium battery pack also includes a battery management device, and the battery management device is connected to the backup lithium battery pack respectively. The cells of the battery pack, the Hall current sensor and the charging current limiting module are electrically connected. 6. The backup power system for wind, power, storage and communication base stations capable of saving energy and reducing consumption according to claim 1, wherein the backup lithium battery pack uses multiple single cells connected in series and parallel to form a 48VDC backup power supply. 7. The backup power supply system for wind power storage communication base station capable of saving energy and reducing consumption according to claim 1, wherein the battery discharge switch is a high voltage relay or a DC contactor. 8. The backup power supply system for wind power storage communication base station capable of saving energy and reducing consumption according to claim 1, characterized in that, the mains input switch, rectifier switch, controller DC output switch, battery switch and DC output switch are all For the AC circuit breaker. 9. The backup power supply system for wind, electricity, storage and communication base stations capable of saving energy and reducing consumption according to claim 1, wherein the communication base station loads include DC loads and AC loads, and the DC loads include base station equipment, transmission equipment and A dynamic ring monitoring device, the AC load is connected to the -48VDC DC bus through the inverter and the inverter input switch, and the DC load is electrically connected to the -48VDC DC bus after passing through the DC output switch, The inverter, three-phase watt-hour meter, battery management device and wind-solar complementary controller are respectively connected to the dynamic environment monitoring device through RS485 bus, and the dynamic environment monitoring device is connected to the background data center through GPRS communication.

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