WO2015096749A1 - Distributed high-voltage direct-current power supply device - Google Patents
Distributed high-voltage direct-current power supply device Download PDFInfo
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- WO2015096749A1 WO2015096749A1 PCT/CN2014/094869 CN2014094869W WO2015096749A1 WO 2015096749 A1 WO2015096749 A1 WO 2015096749A1 CN 2014094869 W CN2014094869 W CN 2014094869W WO 2015096749 A1 WO2015096749 A1 WO 2015096749A1
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- power
- battery
- load
- grid
- rectifier
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
Definitions
- the invention belongs to the technical field of power supply and power management of a computer room, and particularly relates to a distributed high voltage direct current power supply device.
- the traditional IT equipment room is powered by an AC UPS system, which converts AC power to DC power and then converts it to AC power for IT.
- the device is powered and requires 2 conversions. If the number of conversions can be reduced, the power loss can be reduced and the power supply efficiency can be improved. Therefore, the use of only AC power to convert to DC power and then directly use the converted high voltage DC for IT
- the way the equipment is powered is called a high-voltage DC power supply system or a high-voltage DC UPS system. Due to the centralized power supply mode, if UPS A failure occurs, which is likely to cause a full power supply accident, and the entire data center room is powered off. And traditional exchange UPS The power supply system needs to occupy a large space, which not only reduces the space utilization efficiency of the equipment room, but also is not conducive to the expansion and relocation of the equipment room equipment.
- the technical problem to be solved by the present invention is to provide a distributed high voltage DC power supply device in view of the deficiencies of the prior art.
- a distributed high-voltage DC power supply device comprising an AC power supply, characterized by further comprising a rectifier, a battery, a battery management module, a monitoring module, a DC power grid interface and a load interface, wherein the rectifier is connected to the AC power source, and the setting device is The rectifier is connected to the monitoring module; the monitoring module is further connected to the DC grid interface and the load interface, and is further connected to the battery through the battery management module; the battery management module is responsible for controlling the battery charging and discharging, The load interface is used to connect a load, the DC grid interface is used to connect to a DC grid, the rectifier is used to convert AC power into DC power; the monitoring module is configured to monitor and manage the rectifier and the battery management module, and according to the advance The set power mode is automatically adjusted.
- the monitoring module is also configured to monitor battery status and load power usage and DC grid power supply conditions.
- the monitoring module can set the DC output from the rectifier to supply power only to one of the battery, the load, and the DC grid, or simultaneously supply power to the battery and the load, or simultaneously supply power to the battery and the DC grid, or simultaneously supply power to the load and the DC grid.
- the DC output from the rectifier to supply power to the battery and the load, and input DC power from the DC grid to supply power to the battery or to supply power to the load or both; It can also be set to stop the rectifier output DC power, input DC power from the DC grid, supply power to the load or supply power to the battery or supply power to both the battery and the load; it can also be set to supply power only to the load; or can be set by the battery and
- the rectifier output DC power is supplied to the load or the DC grid or to the load and the DC grid at the same time; the DC power input from the battery and the DC grid can also be set to supply power to the load;
- the monitoring module can be in the foregoing various power supply modes according to preset conditions. Automatically change between.
- the monitoring module has dual functions of monitoring and control, and can not only monitor the state of equipment components such as a rectifier, a battery, a battery management module, but also monitor data such as changes in battery power, load power consumption, and DC grid power, and can Preset conditions control and adjust the transformation of the power mode.
- An electronic switch is disposed between the AC power source and the rectifier, and the electronic switch can be used to cut off the AC power when the power supply of the device is abnormal, or can be used to cut off the AC power to detect or repair the device.
- the monitoring module is further provided with a management communication interface for communicating with a higher level management control system.
- the distributed high-voltage DC power supply device of the present invention can separately supply power to a group of devices, and each of the equipment rooms can be equipped with a plurality of distributed high-voltage DC power supply devices according to the number of devices, and all distributed high-voltage DC power supply devices can be connected in parallel through the DC power grid. Form a micro grid.
- Each distributed high voltage DC power supply can operate independently or with each other.
- the invention has the advantages of small volume, flexible power supply means, high efficiency and energy saving, and can be expanded according to the number of loads, thereby greatly reducing the investment cost in the initial stage of power supply deployment, and is not limited by the area of the equipment room, and the use efficiency is high.
- Figure 1 shows the structure of a distributed high-voltage DC power supply unit.
- FIG. 1 shows a preferred embodiment of the present invention, a distributed high voltage DC power supply device, including an AC power source 1, a rectifier 2, and a battery 3. , battery management module 4, monitoring module 5, DC grid interface 6 and load interface 7, management communication interface 8, rectifier 2 through electronic switch 9 and AC power supply 1 Connected.
- the solid arrow in the figure is the current direction, and the dotted arrow is the direction of the monitoring signal.
- the rectifier 2 converts the alternating current into a direct current output.
- the monitoring module 5 and the DC grid interface 6 and the load interface 7 Connected to and connected to the battery 3 through the battery management module 4; the battery management module 4 is responsible for controlling the charge and discharge of the battery 3, the load interface 7 is for connecting a load, the DC grid interface 6 Used to connect to a DC grid.
- the monitoring module 5 has dual functions of monitoring and control, and the monitoring module 5 is provided with a pair of rectifiers 2 and a battery management module. Monitoring and management, as well as monitoring the status of the battery 3 and the power usage of the load connected to the load interface 7 and the supply of the DC grid connected to the DC grid interface 6. Simultaneous monitoring module 5 According to the monitored battery 3 power change, load power change, DC grid power change and other data, and according to preset conditions to control and adjust the power mode change.
- the power supply mode set by the monitoring module 5 may be outputted by the rectifier 2 to the battery 3 only, the load interface 7 One of the connected load, DC grid interface 6 connected to the DC grid is powered, or both of them are powered at the same time. It is also possible to set the direct current output from the rectifier 2 to the battery 3 And the load is powered, and the DC power is input from the DC grid to supply power to the battery 3 or to the load or to both; or the rectifier can be set to stop 2 DC power is output while DC power is input from the DC grid, power is supplied to the load or power is supplied to the battery 3 or both to the battery 3 and the load; it can also be set to supply power only to the load from the battery 3, or by the battery 3 And the output of the rectifier 2 is supplied to the load either simultaneously to the DC grid or both, or the DC input from the battery 3 and the DC grid is supplied to the load. And the monitoring module 5 It can be automatically changed between the aforementioned various power supply modes according to preset conditions.
- the monitoring module 5 is also provided with a management communication interface 8 for communicating with a higher level management control system.
- the DC grid can connect several distributed high-voltage DC power supply devices in parallel to form a micro grid.
- Each distributed high-voltage DC power supply device can work independently or can transfer power between each other.
- the electronic switch 9 It can be used to cut off the AC power when the power supply of the device is abnormal, or it can be used to cut off the AC power to detect or repair the device.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
A distributed high-voltage direct-current power supply device, comprising an alternating-current power source (1), a rectifier (2), a battery (3), a battery management module (4), a monitoring module (5), a direct-current power grid port (6) and a load port (7). The rectifier is connected to the alternating-current power source and the monitoring module. The monitoring module is connected to the direct-current power grid port and the load port, and is also connected to the battery through the battery management module. The battery management module is in charge of controlling charging and discharging of the battery. The load port is used for connection to a load. The direct-current power grid port is used for connection to a direct-current power grid. The rectifier is used for converting alternating current into direct current. The monitoring module is used for monitoring and managing the rectifier and the battery management module and can be automatically adjusted according to a predetermined power supply mode. The power supply device is flexible in power supply, efficient and energy-saving, has greatly reduced power supply deployment cost and is not limited by machine room area.
Description
本发明属于机房供电及电源管理技术领域，尤其涉及的是一种分布式高压直流供电装置。 The invention belongs to the technical field of power supply and power management of a computer room, and particularly relates to a distributed high voltage direct current power supply device.
传统 IT 设备机房采用交流 UPS 系统供电，即采用交流电转换为直流电再转换为交流电后为 IT
设备供电，其中需要 2 次转换。如果能减少转换次数，就可以降低电力损耗，提高供电效率。因此出现了仅使用交流电转换为直流电然后直接用转换后的高压直流为 IT
设备供电的方式，称为高压直流供电系统或者高压直流 UPS 系统。由于集中式的供电模式，如果 UPS
发生故障，容易造成全面的供电事故，进而整个数据中心机房断电。并且传统交流 UPS
供电系统，需要占用较大空间，不但降低了设备机房的空间使用效率，而且不利于机房设备的扩展和搬迁。 The traditional IT equipment room is powered by an AC UPS system, which converts AC power to DC power and then converts it to AC power for IT.
The device is powered and requires 2 conversions. If the number of conversions can be reduced, the power loss can be reduced and the power supply efficiency can be improved. Therefore, the use of only AC power to convert to DC power and then directly use the converted high voltage DC for IT
The way the equipment is powered is called a high-voltage DC power supply system or a high-voltage DC UPS system. Due to the centralized power supply mode, if UPS
A failure occurs, which is likely to cause a full power supply accident, and the entire data center room is powered off. And traditional exchange UPS
The power supply system needs to occupy a large space, which not only reduces the space utilization efficiency of the equipment room, but also is not conducive to the expansion and relocation of the equipment room equipment.
因此，现有技术存在缺陷，需要改进。 Therefore, the prior art has drawbacks and needs improvement.
本发明所要解决的技术问题是针对现有技术的不足，提供一种分布式高压直流供电装置。 The technical problem to be solved by the present invention is to provide a distributed high voltage DC power supply device in view of the deficiencies of the prior art.
本发明的技术方案如下： The technical solution of the present invention is as follows:
一种分布式高压直流供电装置，包括交流电源，其特征在于还包括整流器、电池、电池管理模块、监控模块、直流电网接口及负载接口，所述整流器与所述交流电源相连接，同时设置所述整流器与所述监控模块相连接；所述监控模块还设置与直流电网接口及负载接口相连接，并且还设置通过电池管理模块与电池相连接；所述电池管理模块负责控制电池充放电，所述负载接口用于连接负载，所述直流电网接口用于连接直流电网，所述整流器用于将交流电转换成直流电；所述监控模块设置对整流器、电池管理模块进行监控和管理，并可根据预先设定的供电模式自动调整。
A distributed high-voltage DC power supply device comprising an AC power supply, characterized by further comprising a rectifier, a battery, a battery management module, a monitoring module, a DC power grid interface and a load interface, wherein the rectifier is connected to the AC power source, and the setting device is The rectifier is connected to the monitoring module; the monitoring module is further connected to the DC grid interface and the load interface, and is further connected to the battery through the battery management module; the battery management module is responsible for controlling the battery charging and discharging, The load interface is used to connect a load, the DC grid interface is used to connect to a DC grid, the rectifier is used to convert AC power into DC power; the monitoring module is configured to monitor and manage the rectifier and the battery management module, and according to the advance The set power mode is automatically adjusted.
所述监控模块还设置监控电池状态和负载用电情况和直流电网供电情况。 The monitoring module is also configured to monitor battery status and load power usage and DC grid power supply conditions.
所述监控模块可以设定由整流器输出直流电仅向电池、负载、直流电网三者之一供电，或者同时向电池和负载供电，或者同时向电池和直流电网供电，或者同时向负载和直流电网供电，或者同时向电池、负载和直流电网三者供电；也可以设定由整流器输出直流电向电池和负载供电，同时从直流电网输入直流电向电池供电或者向负载供电或者向电池和负载两者供电；也可以设定停止整流器输出直流电，同时从直流电网输入直流电，向负载供电或者向电池供电或者向电池和负载两者供电；也可以设定仅由电池向负载供电；也可以设定由电池和整流器输出直流电共同向负载或者直流电网或者同时向负载和直流电网供电；也可以设定由电池和直流电网输入直流电共同向负载供电；所述监控模块可以根据预设条件在前述各种供电模式之间自动变换。
The monitoring module can set the DC output from the rectifier to supply power only to one of the battery, the load, and the DC grid, or simultaneously supply power to the battery and the load, or simultaneously supply power to the battery and the DC grid, or simultaneously supply power to the load and the DC grid. , or supply power to the battery, load, and DC grid at the same time; it is also possible to set the DC output from the rectifier to supply power to the battery and the load, and input DC power from the DC grid to supply power to the battery or to supply power to the load or both; It can also be set to stop the rectifier output DC power, input DC power from the DC grid, supply power to the load or supply power to the battery or supply power to both the battery and the load; it can also be set to supply power only to the load; or can be set by the battery and The rectifier output DC power is supplied to the load or the DC grid or to the load and the DC grid at the same time; the DC power input from the battery and the DC grid can also be set to supply power to the load; the monitoring module can be in the foregoing various power supply modes according to preset conditions. Automatically change between.
所述监控模块具有监测和控制双重功能，不仅可以对整流器、电池、电池管理模块等设备部件状态进行监测，还可以监测电池电量变化、负载用电变化、直流电网电量变化等数据，并能根据预设条件控制和调整供电模式的变换。
The monitoring module has dual functions of monitoring and control, and can not only monitor the state of equipment components such as a rectifier, a battery, a battery management module, but also monitor data such as changes in battery power, load power consumption, and DC grid power, and can Preset conditions control and adjust the transformation of the power mode.
所述交流电源与所述整流器之间设置有电子开关，电子开关可以用于在设备供电发生异常时切断交流电源，也可以用于切断交流电源，以便对设备进行检测或维修。
An electronic switch is disposed between the AC power source and the rectifier, and the electronic switch can be used to cut off the AC power when the power supply of the device is abnormal, or can be used to cut off the AC power to detect or repair the device.
所述监控模块还设置有管理通信接口，用于与更高层次的管理控制系统进行通信连接。 The monitoring module is further provided with a management communication interface for communicating with a higher level management control system.
本发明所述分布式高压直流供电装置可以单独为一组设备供电，每个机房可以根据设备数量配备多个分布式高压直流供电装置，并且可以将所有分布式高压直流供电装置通过直流电网并联，组成一个微型电网。每个分布式高压直流供电装置既可以独立工作，也可以彼此之间输送电力。
The distributed high-voltage DC power supply device of the present invention can separately supply power to a group of devices, and each of the equipment rooms can be equipped with a plurality of distributed high-voltage DC power supply devices according to the number of devices, and all distributed high-voltage DC power supply devices can be connected in parallel through the DC power grid. Form a micro grid. Each distributed high voltage DC power supply can operate independently or with each other.
本发明的有益效果在于体积小、供电手段灵活，高效节能，并且可以根据负载数量进行扩展，大大降低供电部署初期的投资成本，且不受机房面积限制，使用效率高。
The invention has the advantages of small volume, flexible power supply means, high efficiency and energy saving, and can be expanded according to the number of loads, thereby greatly reducing the investment cost in the initial stage of power supply deployment, and is not limited by the area of the equipment room, and the use efficiency is high.
图 1 为一种分布式高压直流供电装置结构图。 Figure 1 shows the structure of a distributed high-voltage DC power supply unit.
以下结合附图和具体实施例，对本发明进行详细说明。 The invention will be described in detail below with reference to the drawings and specific embodiments.
如图 1 所示为本发明的优选实施例，一种分布式高压直流供电装置，包括交流电源1、整流器2、电池3
、电池管理模块4、监控模块5、直流电网接口6 及负载接口7、管理通信接口8，整流器 2 通过电子开关 9 与交流电源 1
相连接。图中实线箭头为电流走向，虚线箭头为监控信号走向。整流器 2 将交流电转换为直流电输出。所述监控模块 5 与直流电网接口 6 及负载接口 7
相连接，并且通过电池管理模块 4 与电池 3 相连接；所述电池管理模块 4 负责控制电池 3 充放电，所述负载接口 7 用于连接负载，所述直流电网接口 6
用于连接直流电网。 FIG. 1 shows a preferred embodiment of the present invention, a distributed high voltage DC power supply device, including an AC power source 1, a rectifier 2, and a battery 3.
, battery management module 4, monitoring module 5, DC grid interface 6 and load interface 7, management communication interface 8, rectifier 2 through electronic switch 9 and AC power supply 1
Connected. The solid arrow in the figure is the current direction, and the dotted arrow is the direction of the monitoring signal. The rectifier 2 converts the alternating current into a direct current output. The monitoring module 5 and the DC grid interface 6 and the load interface 7
Connected to and connected to the battery 3 through the battery management module 4; the battery management module 4 is responsible for controlling the charge and discharge of the battery 3, the load interface 7 is for connecting a load, the DC grid interface 6
Used to connect to a DC grid.
所述监控模块 5 具有监测和控制双重功能，监控模块 5 设置对整流器 2 、电池管理模块 4
进行监控和管理，同时还设置监控电池 3 的状态和负载接口 7 所连接负载的用电情况，以及直流电网接口 6 所连接的直流电网的供电情况。同时监控模块 5
可以根据监测到的电池 3 的电量变化、负载用电变化、直流电网电量变化等数据，并根据预设条件控制和调整供电模式的变换。 The monitoring module 5 has dual functions of monitoring and control, and the monitoring module 5 is provided with a pair of rectifiers 2 and a battery management module.
Monitoring and management, as well as monitoring the status of the battery 3 and the power usage of the load connected to the load interface 7 and the supply of the DC grid connected to the DC grid interface 6. Simultaneous monitoring module 5
According to the monitored battery 3 power change, load power change, DC grid power change and other data, and according to preset conditions to control and adjust the power mode change.
所述监控模块 5 设定的供电模式可以是由整流器 2 输出直流电仅向电池 3 、负载接口 7
所连接负载、直流电网接口 6 所连接直流电网三者之一供电，或者同时向其中的任意两者或者是三者供电。也可以设定由整流器 2 输出直流电向电池 3
和负载供电，同时从直流电网输入直流电向电池 3 供电或者向负载供电或者向两者供电；也可以设定停止整流器 2
输出直流电，同时从直流电网输入直流电，向负载供电或者向电池 3 供电或者向电池 3 和负载两者供电；还可以设定仅由电池 3 向负载供电，或者由电池 3
和整流器 2 输出直流电共同向负载或者向直流电网或者向两者同时供电，或者由电池 3 和直流电网输入的直流电共同向负载供电。并且所述监控模块 5
可以根据预设条件在前述各种供电模式之间自动变换。 The power supply mode set by the monitoring module 5 may be outputted by the rectifier 2 to the battery 3 only, the load interface 7
One of the connected load, DC grid interface 6 connected to the DC grid is powered, or both of them are powered at the same time. It is also possible to set the direct current output from the rectifier 2 to the battery 3
And the load is powered, and the DC power is input from the DC grid to supply power to the battery 3 or to the load or to both; or the rectifier can be set to stop 2
DC power is output while DC power is input from the DC grid, power is supplied to the load or power is supplied to the battery 3 or both to the battery 3 and the load; it can also be set to supply power only to the load from the battery 3, or by the battery 3
And the output of the rectifier 2 is supplied to the load either simultaneously to the DC grid or both, or the DC input from the battery 3 and the DC grid is supplied to the load. And the monitoring module 5
It can be automatically changed between the aforementioned various power supply modes according to preset conditions.
所述监控模块 5 还设置有管理通信接口 8 ，用于与更高层次的管理控制系统进行通信连接。 The monitoring module 5 is also provided with a management communication interface 8 for communicating with a higher level management control system.
所述直流电网可以将若干个分布式高压直流供电装置并联，组成一个微型电网，每个分布式高压直流供电装置既可以独立工作，也可以彼此之间输送电力。
The DC grid can connect several distributed high-voltage DC power supply devices in parallel to form a micro grid. Each distributed high-voltage DC power supply device can work independently or can transfer power between each other.
所述电子开关 9
可以用于在设备供电发生异常时切断交流电源，也可以用于切断交流电源，以便对设备进行检测或维修。 The electronic switch 9
It can be used to cut off the AC power when the power supply of the device is abnormal, or it can be used to cut off the AC power to detect or repair the device.
应当理解的是，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，而所有这些改进和变换都应属于本发明所附权利要求的保护范围。
It is to be understood that those skilled in the art will be able to make modifications and changes in accordance with the above description, and all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (5)
- 一种分布式高压直流供电装置，包括交流电源，其特征在于还包括整流器、电池、电池管理模块、监控模块、直流电网接口及负载接口，所述整流器与所述交流电源相连接，同时设置所述整流器与所述监控模块相连接；所述监控模块还设置与直流电网接口及负载接口相连接，并且还设置通过电池管理模块与电池相连接；所述电池管理模块负责控制电池充放电，所述负载接口用于连接负载，所述直流电网接口用于连接直流电网，所述整流器用于将交流电转换成直流电；所述监控模块设置对整流器、电池管理模块进行监控和管理，并可根据预先设定的供电模式自动调整。A distributed high-voltage DC power supply device comprising an AC power supply, characterized by further comprising a rectifier, a battery, a battery management module, a monitoring module, a DC power grid interface and a load interface, wherein the rectifier is connected to the AC power source, and the setting device is The rectifier is connected to the monitoring module; the monitoring module is further connected to the DC grid interface and the load interface, and is further connected to the battery through the battery management module; the battery management module is responsible for controlling the battery charging and discharging, The load interface is used to connect a load, the DC grid interface is used to connect to a DC grid, the rectifier is used to convert AC power into DC power; the monitoring module is configured to monitor and manage the rectifier and the battery management module, and according to the advance The set power mode is automatically adjusted.
- 如权利要求 1 所述的分布式高压直流供电装置，其特征在于，所述监控模块还设置监控电池状态和负载用电情况和直流电网供电情况。 Claims 1 The distributed high-voltage DC power supply device is characterized in that the monitoring module is further configured to monitor battery status and load power consumption and DC power supply.
- 如权利要求 2 所述的分布式高压直流供电装置，其特征在于，所述监控模块可以设定由整流器输出直流电仅向电池、负载、直流电网三者之一供电，或者同时向电池和负载供电，或者同时向电池和直流电网供电，或者同时向负载和直流电网供电，或者同时向电池、负载和直流电网三者供电；也可以设定由整流器输出直流电向电池和负载供电，同时从直流电网输入直流电向电池供电或者向负载供电或者向电池和负载两者供电；也可以设定停止整流器输出直流电，同时从直流电网输入直流电，向负载供电或者向电池供电或者向电池和负载两者供电；也可以设定仅由电池向负载供电；也可以设定由电池和整流器输出直流电共同向负载或者直流电网或者同时向负载和直流电网供电；也可以设定由电池和直流电网输入直流电共同向负载供电；所述监控模块可以根据预设条件在前述各种供电模式之间自动变换。 Claims 2 The distributed high-voltage DC power supply device is characterized in that the monitoring module can set the DC output by the rectifier to supply power only to one of the battery, the load, and the DC power grid, or simultaneously supply power to the battery and the load, or simultaneously The battery and the DC grid supply power, or simultaneously supply power to the load and the DC grid, or simultaneously supply power to the battery, the load, and the DC grid. It is also possible to set the DC output from the rectifier to supply power to the battery and the load, and simultaneously input DC power from the DC grid to the battery. Powering either to supply power to the load or to both the battery and the load; it is also possible to set the output of the rectifier to stop direct current, while inputting DC power from the DC grid, supplying power to the load or supplying power to the battery or both to the battery and the load; Only the battery can supply power to the load; it can also be set to output direct current from the battery and the rectifier to the load or the DC grid or to the load and the DC grid at the same time; or the input DC power from the battery and the DC grid can be set to supply power to the load; The monitoring module can be preset according to the preset The conditions are automatically changed between the various power modes described above.
- 如权利要求 3 所述的分布式高压直流供电装置，其特征在于，所述交流电源与所述整流器之间设置有电子开关。Claims 3 The distributed high voltage direct current power supply device is characterized in that an electronic switch is disposed between the alternating current power source and the rectifier.
- 如权利要求 4 所述的分布式高压直流供电装置，其特征在于，所述监控模块还设置有管理通信接口。The distributed high voltage direct current power supply device according to claim 4, wherein the monitoring module is further provided with a management communication interface.
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| CN201310724486.9A CN103701111A (en) | 2013-12-25 | 2013-12-25 | Distributed high-voltage direct-current power supply device |
| CN201310724486.9 | 2013-12-25 |
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| WO2015096749A1 true WO2015096749A1 (en) | 2015-07-02 |
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