WO2018103231A1 - 一种新能源微电网电动汽车充电站 - Google Patents

一种新能源微电网电动汽车充电站 Download PDF

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Publication number
WO2018103231A1
WO2018103231A1 PCT/CN2017/077713 CN2017077713W WO2018103231A1 WO 2018103231 A1 WO2018103231 A1 WO 2018103231A1 CN 2017077713 W CN2017077713 W CN 2017077713W WO 2018103231 A1 WO2018103231 A1 WO 2018103231A1
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WIPO (PCT)
Prior art keywords
new energy
grid
electric vehicle
micro
vehicle charging
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PCT/CN2017/077713
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English (en)
French (fr)
Inventor
朱毅
彭勇
梁峰
曹亮
张轶
龚铖
朱焰
Original Assignee
中山大洋电机股份有限公司
大洋电机新能源(中山)投资有限公司
中国电力工程顾问集团中南电力设计院有限公司
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Publication of WO2018103231A1 publication Critical patent/WO2018103231A1/zh

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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

Definitions

  • the utility model relates to a new energy micro-grid electric vehicle charging station.
  • the power supply of a conventional electric vehicle charging (replacement) power station is taken from a public distribution network, and after being stepped down, power is supplied to an electric vehicle charging pile (charger). It has the following shortcomings:
  • Conventional electric vehicle charging (changing) power station is not modular integration, complicated installation and construction, and long construction period;
  • the photovoltaic charging station although it can access and absorb photovoltaic power generation, has a single energy source; the scope of application is narrow.
  • the first object of the utility model is to provide a new energy micro-grid electric vehicle charging station, which solves the imperfect control and management functions of the current charging (changing) power station, and lacks the medium and long-term stability control and energy management of the micro power grid.
  • the lack of coordination and control of the power distribution module, energy storage module, distributed new energy power generation unit, load, power compensation equipment is responsible for the transient stability control in the microgrid, resulting in unstable and inefficient control of the entire system.
  • the second object of the utility model is to provide a new energy micro-grid electric vehicle charging station, which solves the current non-modular integration of the charging (changing) power station, complicated installation and construction, and long construction period.
  • a new energy micro-grid electric vehicle charging station includes at least one new energy micro-grid electric vehicle charging station unit module, and the new energy micro-grid electric vehicle charging station unit module includes a power distribution module, an energy storage module, and a distribution New energy power generation unit, load, reactive power compensation equipment and micro-grid control management system, the load is an electric vehicle charging pile or an electric vehicle charger, characterized in that: the new energy micro-grid electric vehicle charging station unit module is divided into Level 3 control management, in which: the controller of the energy storage module, the controller of the distributed new energy power generation unit, the controller of the load, the controller of the power compensation equipment as the primary controller; the microgrid control management system includes the real-time coordinated control And energy management control system, real-time coordination controller as secondary controller, energy management control system as top controller; real-time coordination controller and energy storage module controller, distributed new energy power generation unit controller, load Controller, distributed new energy power generation unit controller connection communication, real-time Coordinating the controller to coordinate the command of the power distribution module, the energy storage module, the distributed new energy
  • the energy management control system is further connected to a telecontrol communication device, and the energy management control system transmits the panoramic data of the microgrid through the telecontrol communication device, and can also access the remote dispatch control center and the informationized cloud service through the telecontrol communication device. .
  • the panoramic data of the above microgrid includes analog quantity and state quantity, and the analog quantity includes current, voltage, active power, reactive power, harmonic component, and environmental variable; the state quantity includes position signal of the switch device, device warning signal, and local control Device action and warning signals and operational monitoring signals.
  • the real-time coordination controller, the energy management control system, and the telecontrol communication device are connected through a communication network.
  • the above communication bus is also connected to a satellite clock, which provides accurate time signals for the real-time coordination controller, the energy management control system, the telecontrol communication device, and the local controller.
  • the communication bus is connected to a fiber optic box, and the microgrid control management system communicates with the power distribution module, the energy storage module, the distributed new energy power generation unit, the load, and the power compensation device through the fiber optic box.
  • the above fiber optic box is also connected with a plurality of measurement and control devices, and the measurement and control device is used for collecting operation data of a certain device in the unit module of the new energy micro-grid electric vehicle charging station and controlling the power-on or power-off or running state of some devices.
  • the energy management control system described above is a computer system in which a microgrid energy management control software module is installed.
  • the above real-time coordination controller is an embedded computer device installed with a micro-grid real-time coordinated management control software module.
  • the power distribution module described above comprises a high voltage power distribution device, a distribution transformer and a low voltage power distribution device.
  • the input end of the high voltage power distribution device is connected to an external high voltage power grid, and the distribution transformer is connected to the high voltage power distribution on the primary side.
  • the output end of the device is connected to the input end of the low-voltage power distribution device, and the low-voltage power distribution device provides a low-voltage main bus with a rated voltage of LM (kV), the energy storage module, the distributed new energy power generation unit, and the load
  • the power compensation equipment is connected to the low voltage main bus of the low voltage power distribution device, and the micro power grid control management system controls the operation of the whole new energy micro grid electric vehicle charging station unit module, and the high voltage power distribution device includes the high voltage electric main bus and the high voltage power grid.
  • the access switch, the transformer connection switch and the module cascade switch, one end of the high voltage power grid access switch, the transformer connection switch and the module cascade switch are respectively connected to the high voltage electric main bus, and the high voltage power grid access switch input end is connected to the external
  • the high-voltage power grid, the output end of the transformer connection switch is connected to the primary side of the distribution transformer, and the terminal of the module cascade switch is used for connection
  • the new energy micro-grid electric vehicle charging station unit module contains more than one, select a new energy micro-grid electric vehicle charging station unit module as the first stage, and the input end of the high-voltage power grid access switch
  • the external high-voltage power grid is connected, and the module cascade switch is connected with the high-voltage grid access switch of the second-stage new energy micro-grid electric vehicle charging station unit module, and the other levels of the new energy micro-grid electric vehicle charging station unit module are also Connected in series as above to obtain high voltage power with a rated voltage of HM(kV) provided by the high voltage power grid.
  • the micro-grid control management system of one of the new energy micro-grid electric vehicle charging station unit modules is mainly selected, and the micro-grid control management system of the remaining new energy micro-grid electric vehicle charging station unit module is a subordinate way to control the main micro-grid.
  • the management system is connected with each subordinate microgrid control management system to communicate with each other.
  • the main microgrid control management system unifies the data transmission and coordinates the operation of each new energy microgrid electric vehicle charging station unit module.
  • the above-mentioned high-voltage electric main bus, high-voltage power grid access switch, transformer connection switch and module cascade switch are installed in one cabinet to form a high-voltage power distribution cabinet;
  • the low-voltage power distribution device includes a low-voltage main bus line connection and a plurality of low-voltage wiring switches, and several One end of the low-voltage switch is connected to the low-voltage main bus, and the other end is connected to the built-in equipment or lead-out.
  • the low-voltage main bus connection and several low-voltage switch are installed in one cabinet to form a low-voltage power distribution cabinet.
  • the above-mentioned high-voltage power distribution device, distribution transformer and low-voltage power distribution device are integrated and installed in a box to form a box-type complete power distribution equipment.
  • the energy storage module comprises a power distribution cabinet, a energy storage bidirectional converter and a battery pack, and the power distribution cabinet, the energy storage bidirectional converter and the battery pack are integrally installed to form a box type complete device, and the energy storage module is one or more. .
  • the distributed new energy power generation unit may be one or more, and the type of the distributed new energy power generation unit is photovoltaic power generation, or wind power generation, or a fuel cell, or hydroelectric power generation, or an internal combustion engine generator set, or a gas turbine. Generator set.
  • the new energy micro-grid electric vehicle charging station of the utility model, the new energy micro-grid electric vehicle charging station unit module is divided into three levels of control management, wherein: the controller of the energy storage module, the controller of the distributed new energy power generation unit, The controller of the load and the controller of the reactive power compensation device are used as the first-level controller; the micro-grid control management system includes the real-time coordination controller and the energy management control system, and the real-time coordinated control As the secondary controller, the energy management control system acts as the top controller; the primary controller belongs to the local controller, and controls various power sources and loads according to various types of equipment information collected locally; the secondary controller is micro The grid control coordination layer is the core of the operation of the microgrid system.
  • the top-level controller ie, the three-level controller
  • the microgrid energy management system layer realizes optimal scheduling, allocation of energy storage and reasonable distribution of power for the distributed generation energy supply system, ensuring safe, stable and economic operation of the microgrid; such a layout is flexible, convenient and adaptable.
  • the controllers at all levels have clear division of labor, each with their own responsibilities, and the organic connection is integrated into one, the function is perfect, the control is efficient, and various control strategies are applied.
  • the energy management control system is also connected to a telecontrol communication device, and the energy management control system transmits the panoramic data of the microgrid through the telecontrol communication device, and can also access the remote dispatch control center and the information cloud through the telecontrol communication device. Service, full-featured and easy to use.
  • the real-time coordination controller, the energy management control system and the telecontrol communication device are connected through a communication network, and the above communication network is also connected with a satellite clock, and the satellite clock is a real-time coordination controller, an energy management control system, a telecontrol communication device, and
  • the ground controller provides accurate time signals, and the communication with each other is quick and convenient, and the connection structure is simple and the functions are perfect;
  • the communication network is connected to a fiber optic box, and the microgrid control management system is connected and communicated with the power distribution module, the energy storage module, the distributed new energy power generation unit, the load, and the power compensation device through the optical fiber box, and the structure is simple and easy to implement;
  • the fiber optic box is also connected with several measuring and controlling devices.
  • the measuring and controlling device is used to collect the operating data of a certain device in the unit module of the new energy micro-grid electric vehicle charging station and control the power-on or power-off or running state of some devices, and the structure is simple and convenient to install. ;
  • the above-mentioned one of the new energy micro-grid electric vehicle charging station unit module micro-grid control management system is the main, the remaining new energy micro-grid electric vehicle charging station
  • the micro-grid control management system of the unit module is a subordinate way, and the main micro-grid control management system is connected with the sub-micro-grid control management systems to communicate with each other.
  • the main micro-grid control management system unifies the data and coordinates the new energy.
  • Microgrid electric vehicle charging station The unit module works, which is simple and convenient.
  • FIG. 1 is a schematic view of the principle of the first embodiment of the present invention
  • FIG. 2 is a schematic block diagram of a specific embodiment of the present invention.
  • FIG. 3 is a high voltage electronic control block diagram of a new energy microgrid electric vehicle charging station unit module of the present invention
  • FIG. 4 is a schematic diagram showing the connection between the microgrid control management system and various parts in the first embodiment of the present invention
  • FIG. 5 is a schematic structural view of a microgrid control management system according to Embodiment 1 of the present invention.
  • FIG. 6 is a schematic diagram of a further development of a microgrid control management system in the first embodiment of the present invention. Schematic diagram of the principle of two;
  • FIG. 7 is a specific block schematic diagram of Embodiment 2 of the present invention.
  • FIG. 8 is a schematic diagram of a specific high voltage electrical connection according to Embodiment 2 of the present invention.
  • FIG. 9 is a schematic diagram of a specific low voltage control wiring according to Embodiment 2 of the present invention.
  • FIG. 10 is a schematic diagram of the principle of the third embodiment of the present invention.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • this embodiment provides a new energy micro-grid electric vehicle charging station, including a new energy micro-grid electric vehicle charging station unit module, and the new energy micro-grid electric vehicle charging.
  • the station unit module includes a power distribution module, an energy storage module, a distributed new energy power generation unit, a load, a distributed new energy power generation unit, and a micro power grid control management system, and the load is an electric vehicle charging pile or an electric vehicle charger.
  • the power distribution module comprises a high voltage power distribution device, a distribution transformer and a low voltage power distribution device, and an input end of the high voltage power distribution device is connected to an external high voltage power grid, and the power distribution transformer is connected to the high voltage power supply at one time.
  • the output end of the electric device is connected to the input end of the low-voltage power distribution device, and the low-voltage power distribution device provides a low-voltage main bus with a rated voltage of LM (kV), the storage mode
  • the block, distributed new energy power generation unit and load are connected to the low voltage main bus of the low voltage power distribution device, and the micro power grid control management system controls the operation of the entire new energy micro grid electric vehicle charging station unit module.
  • the above high-voltage power distribution device comprises a high-voltage electric main bus, a high-voltage power grid access switch, a transformer connection switch and a module cascade switch, and one end of the high-voltage power grid access switch, the transformer connection switch and the module cascade switch are respectively connected to the high voltage power On the main busbar, the input end of the high-voltage power grid access switch is connected to the external high-voltage power grid, the output end of the transformer connection switch is connected to the primary side of the distribution transformer, and the lead-out end of the module cascade switch is used to connect the next-level new energy micro-grid electric High voltage grid access switch for the car charging station unit module.
  • the above-mentioned high-voltage electric main bus, high-voltage power grid access switch, transformer connection switch and module cascade switch are installed in one cabinet to form a high-voltage power distribution cabinet;
  • the low-voltage power distribution device includes a low-voltage main bus line connection and a plurality of low-voltage wiring switches, and several One end of the low-voltage switch is connected to the low-voltage main bus, and the other end is connected to the built-in equipment or lead-out.
  • the low-voltage main bus connection and several low-voltage switch are installed in one cabinet to form a low-voltage power distribution cabinet.
  • the high-voltage power distribution device, distribution transformer and low-voltage power distribution device are integrated and installed in a box to form a box-type complete power distribution equipment.
  • the high-voltage power distribution device is rated for the HM (kV) of 6kV, or 10kV, or 20kV or 35kV according to the capacity of the charging station and the external high-voltage power grid.
  • the rated voltage of the low-voltage power distribution device is LM(kV) 0.4. KV.
  • the energy storage module comprises a power distribution cabinet, a energy storage bidirectional converter and a battery pack, and the power distribution cabinet, the energy storage bidirectional converter and the battery pack are integrally installed to form a box type complete device, and the energy storage module is one or more.
  • N is an integer, that is, the energy storage module may have a range of 1-N. Since the area of the chart is limited, only the energy storage module 1 is drawn.
  • the energy storage module N in fact, the energy storage module can have 1, 2, 3, 4, 5, or even N.
  • the distributed new energy power generation unit is photovoltaic power generation, or wind power generation, or a fuel cell, or a hydroelectric power generation, or an internal combustion engine generator set, or a gas turbine generator set, and the distributed new energy power generation unit may have one or more,
  • N are integers, that is, the distributed distributed new energy power generation unit may have 1-N
  • the number range because the chart description area is limited, so only the distributed new energy power generation unit 1 and the distributed new energy power generation unit N are drawn. In fact, the distributed new energy power generation unit can have 1, 2, 3, 4, 5 or even N.
  • the low-voltage power distribution device described above provides a low-voltage main bus with a rated voltage of LM (kV) and a reactive power compensation device SVG.
  • the reactive power compensation device SVG is controlled by the micro-grid control management system, and the reactive power compensation device SVG is installed at a low voltage. In the electric cabinet.
  • the low-voltage power distribution device provides a low-voltage main bus connection with a rated voltage of LM (kV) and is also connected to a socket, which can be directly connected to the 380V mains with load operation.
  • LM rated voltage
  • the above-mentioned low-voltage power distribution cabinet can also be installed with a built-in electric vehicle charging pile, and the built-in electric vehicle charging pile is connected with the low-voltage main bus; the low-voltage main bus is also connected with an external electric vehicle charging pile, and the external electric vehicle charging pile is located at a low voltage.
  • the energy storage module can also be installed with a built-in electric vehicle charging pile, and the built-in electric vehicle charging pile is directly powered by the energy storage module on the tank of the energy storage module.
  • a new energy micro-grid electric vehicle charging station of the present invention includes at least one new energy micro-grid electric vehicle charging station unit module, and the new energy micro-grid electric unit.
  • the vehicle charging station unit module includes a power distribution module, an energy storage module, a distributed new energy power generation unit, a load, a reactive power compensation device, and a micro power grid control management system, and the load is an electric vehicle charging pile or an electric vehicle charger.
  • the characteristic is that the new energy micro-grid electric vehicle charging station unit module is divided into three levels of control management, wherein:
  • the controller of the energy storage module, the controller of the distributed new energy power generation unit, the controller of the load, and the controller of the power compensation device are used as the primary controller;
  • the microgrid control management system includes a real-time coordination controller and an energy management control system, a real-time coordination controller as a secondary controller, and an energy management control system as a top controller;
  • the real-time coordination controller is respectively connected with the controller of the energy storage module, the controller of the distributed new energy power generation unit, the controller of the load, the controller of the distributed new energy power generation unit, and the real-time coordination controller coordinates the command of the power distribution module.
  • the energy storage module, the distributed new energy power generation unit, the load, and the reactive power compensation equipment are responsible for the transient stability control in the microgrid;
  • the energy management control system and the energy management control system are interconnected and communicated.
  • the energy management control system collects various operating parameters of the microgrid and directs the real-time coordinated controller to work, and is responsible for the medium and long-term stability control and energy management of the microgrid.
  • the three-layer control structure system of the micro-grid control management system has different real-time requirements for each layer of controllers.
  • the first-level controller (or local controller) has the fastest response speed, which is millisecond level, and controls the distributed micro-power supply ( Hereinafter, the operation and output of the micro-source are referred to;
  • the secondary controller ie, the real-time coordination controller
  • the third-level controller energy management control system
  • the slowest in seconds. , minute and above, responsible for the medium and long-term steady state control and energy management of the microgrid.
  • the energy management control system is further connected to a telecontrol communication device, and the energy management control system transmits the panoramic data of the microgrid through the telecontrol communication device, and can also access the remote dispatch control center and the informationized cloud service through the telecontrol communication device.
  • the panoramic data of the above microgrid includes analog quantity and state quantity, and the analog quantity includes current, voltage, active power, reactive power, harmonic component, and environmental variable; the state quantity includes position signal of the switch device, device warning signal, and local control Device action and warning signals and operational monitoring signals.
  • the real-time coordination controller, the energy management control system, and the telecontrol communication device are connected through a communication network.
  • the above communication network is also connected to a satellite clock, which provides accurate time signals for the real-time coordination controller, the energy management control system, the telecontrol communication device, and the local controller.
  • the communication network is connected to a fiber optic box, and the microgrid control management system is connected and communicated with the power distribution module, the energy storage module, the distributed new energy power generation unit, the load, and the power compensation device through the optical fiber box.
  • the above fiber optic box is also connected with a plurality of measurement and control devices, and the measurement and control device is used for detecting the operation data of a certain device in the unit module of the electric vehicle charging station of the new energy micro-grid and controlling the power-on or power-off of some devices.
  • the energy management control system described above is a computer system in which a microgrid energy management control software module is installed.
  • the above real-time coordination controller is an embedded computer device installed with a micro-grid real-time coordinated management control software module.
  • the power distribution module forms a complete box-type structure, in which a fiber optic box and a measurement and control device are arranged, and there may be multiple measurement and control devices, which can measure the current, voltage and high-voltage power grid access switches of the high-voltage main bus.
  • the status of the transformer connection switch and the module cascade switch can also control the connection of the high voltage grid.
  • the shut-off and closing of the switch, the transformer connection switch and the module cascade switch, the measurement and control device is taken out through the fiber optic box provided by the power distribution module, and the fiber optic box provided by the power distribution module passes through the optical fiber box of the optical fiber and the micro-grid control management system. Connect communication.
  • the reactive power compensation device SVG has a built-in controller, and the reactive power compensation device SVG controller communicates with the fiber optic box of the microgrid control management system through the optical fiber.
  • the distributed new energy power generation unit also has a controller, a built-in fiber optic box and a measurement and control device.
  • the measurement and control device and the controller are connected to the built-in fiber optic box.
  • the controller of the distributed new energy power generation unit is controlled by the built-in fiber optic box and the micro grid.
  • the system's fiber optic box connects to the communication.
  • the energy storage module also has a controller, a built-in fiber optic box and a measurement and control device.
  • the controller of the energy storage module generally refers to the battery management system BMS, the battery management system BMS controls the energy storage bidirectional converter, and the battery management system BMS is built in.
  • the fiber optic box is connected to the fiber optic box of the microgrid control management system.
  • the load also comes with a controller and a built-in fiber optic box, and the load controller communicates with the fiber optic box of the microgrid control management system via a built-in fiber optic box.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • this embodiment provides a new energy micro-grid electric vehicle charging station, including two new energy micro-grid electric vehicle charging station unit modules, respectively, a first-level new energy micro-grid electric
  • the vehicle charging station unit module and the second-level new energy micro-grid electric vehicle charging station unit module, the first-level new energy micro-grid electric vehicle charging station unit module and the second-level new energy micro-grid electric vehicle charging station unit module are the same as the first embodiment
  • the new energy microgrid electric vehicle charging station unit modules described are identical.
  • the input terminal of the high-voltage grid access switch of the first-class new energy micro-grid electric vehicle charging station unit module Connected to the external high-voltage power grid, the module cascade switch of the first-level new energy micro-grid electric vehicle charging station unit module is connected with the high-voltage grid access switch of the second-stage new energy micro-grid electric vehicle charging station unit module to obtain the high-voltage power grid.
  • the rated voltage is HM (kV) high voltage.
  • the micro-grid control management system of the second-level new energy micro-grid electric vehicle charging station unit module is a subordinate way, and will be a new one.
  • the main microgrid control management system of the energy microgrid electric vehicle charging station unit module is connected with the subordinate microgrid control management system of the secondary new energy microgrid electric vehicle charging station unit module, and the main microgrid control management system is unified Externally transmit data and coordinate the work of each new energy microgrid electric vehicle charging station unit module.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • this embodiment provides a new energy micro-grid electric vehicle charging station, including four new energy micro-grid electric vehicle charging station unit modules, respectively, a first-level new energy micro-grid electric vehicle charging station unit.
  • Module two-level new energy micro-grid electric vehicle charging station unit module, three-level new energy micro-grid electric vehicle charging station unit module and four-level new energy micro-grid electric vehicle charging station unit module; first-level new energy micro-grid electric vehicle charging
  • the input end of the high-voltage power grid access switch of the station unit module is connected to the external high-voltage power grid, the module cascade switch of the first-level new energy micro-grid electric vehicle charging station unit module and the second-level new energy micro-grid electric vehicle charging station unit module.
  • the high-voltage power grid is connected to the switch, and the new energy micro-grid electric vehicle charging station unit modules of the remaining levels are connected in series according to the above manner to obtain the high-voltage power provided by the high-voltage power grid with a rated voltage of HM(
  • micro-grid control management system for the primary, secondary new energy microgrid electric vehicle charging station unit module, micro-grid control management system for the three-level new energy micro-grid electric vehicle charging station unit module, four-level new energy micro-grid electric vehicle
  • the microgrid control management system of the charging station unit module is a subordinate way to subordinate the main microgrid control management system of the first-level new energy micro-grid electric vehicle charging station unit module and the new energy micro-grid electric vehicle charging station unit module.
  • the microgrid control management system is connected to communicate with each other, and the main microgrid control management system unifies the data transmission and coordinates the work of each new energy microgrid electric vehicle charging station unit module.
  • the primary microgrid control management system of the first-class new energy micro-grid electric vehicle charging station unit module and the secondary micro-grid control system of the second-level new energy micro-grid electric vehicle charging station unit module communicate through optical fiber, that is, using micro-grid control management
  • the implementation of the fiber optic box of the system is very simple and convenient.
  • the subordinate microgrid control management system of the three-level new energy microgrid electric vehicle charging station unit module and the sub-microgrid control system of the four-level new energy micro-grid electric vehicle charging station unit module are also connected to the first-level new energy micro-grid by optical fiber.
  • Microgrid control management system for vehicle charging station unit module are also connected to the first-level new energy micro-grid by optical fiber.

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Abstract

一种新能源微电网电动汽车充电站，至少包括有一个新能源微电网电动汽车充电站单元模块，它包括变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备和微电网控制管理系统，新能源微电网电动汽车充电站单元模块分成3级控制管理，其中储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、功率补偿设备的控制器作为一级控制器；微电网控制管理系统包括实时协调控制器和能量管理控制系统，实时协调控制器作为二级控制器，实时协调控制器协调指挥各单元的工作，负责微电网中暂态稳定控制；能量管理控制系统作为三级控制负责微电网中长期稳定控制和能量管理，它功能完善，分工合理，保证微网安全、稳定、经济运行，控制高效，适用多种控制策略。

Description

一种新能源微电网电动汽车充电站 技术领域：
本实用新型涉及一种新能源微电网电动汽车充电站。
背景技术：
随着以电池为动力的电动车辆不断面世并快速走向市场，能否解决好这些车辆的动力电池的充电问题，已经成为这类新能源车辆能否推广应用的关键之一。
常规的电动汽车充(换)电站的电源取自于公共配电网，经降压后向电动汽车充电桩(充电机)提供电源。其存在如下的不足：
1)现有新能源微电网电动汽车充电站的控制管理布局不合理、不灵活；只有一级或者二级简单控制管理，控制管理功能不完善，缺乏微电网中长期稳定控制和能量管理，也缺乏协调指挥变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备的工作负责微电网中暂态稳定控制，因此整个系统控制不稳定，不高效；
2)缺乏一套控制系统进行调度、管理与控制，控制系统采集单元内的数据单一，不具备信息远程访问与传送能力，不可接入远程调度控制中心和信息化云服务。
3)常规电动汽车充(换)电站不提供分布式新能源发电、储能装置的接入与管理功能，当市电失电时充电站亦停运，而且在电网未覆盖区域则无法建设。
4)常规电动汽车充(换)电站并非模块化集成，安装建设复杂，建设周期长；
5)目前出现的光伏充电站，虽然可以接入与消纳光伏发电，但能源品种单一；适用范围窄。
发明内容：
本实用新型的第一目的是提供一种新能源微电网电动汽车充电站，解决目前充(换)电站的控制管理功能不完善，缺乏微电网中长期稳定控制和能量管 理，也缺乏协调指挥变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备的工作负责微电网中暂态稳定控制，导致整个系统控制不稳定，不高效。
本实用新型的第二目的是提供一种新能源微电网电动汽车充电站，解决目前充(换)电站非模块化集成，安装建设复杂，建设周期长。
本实用新型的目的是通过下述技术方案予以实现的。
一种新能源微电网电动汽车充电站，至少包括有一个新能源微电网电动汽车充电站单元模块，所述的新能源微电网电动汽车充电站单元模块包括变配电模块、储能模块、分布式新能源发电单元、负荷、无功功率补偿设备和微电网控制管理系统，所述的负荷是电动汽车充电桩或电动汽车充电机，其特征在于：新能源微电网电动汽车充电站单元模块分成3级控制管理，其中：储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、功率补偿设备的控制器作为一级控制器；微电网控制管理系统包括实时协调控制器和能量管理控制系统，实时协调控制器作为二级控制器，能量管理控制系统作为顶层控制器；实时协调控制器分别与储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、分布式新能源发电单元的控制器连接通信，实时协调控制器协调指挥变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备的工作负责微电网中暂态稳定控制；能量管理控制系统与实时协调控制器相互连接通信，能量管理控制系统收集微电网的各项运行参数和指挥实时协调控制器工作，负责微电网中长期稳定控制和能量管理。
上述能量管理控制系统还连接一远动通信装置，能量管理控制系统将微电网的全景数据通过远动通信装置向外发送，也可通过远动通信装置接入远程调度控制中心和信息化云服务。
上述微电网的全景数据包括模拟量和状态量，模拟量包括电流、电压、有功功率、无功功率、谐波分量、环境变量；状态量包括开关设备的位置信号、设备警告信号、就地控制装置动作及警告信号和运行监视信号。
上述实时协调控制器、能量管理控制系统和远动通信装置通过通信网络连接。
上述的通信总线还连接有卫星时钟，卫星时钟为实时协调控制器、能量管理控制系统、远动通信装置和就地控制器提供精确的时间信号。
上述通信总线连接一个光纤盒，微电网控制管理系统通过光纤盒分别与变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备连接通信。
上述光纤盒还连接若干个测控装置，测控装置用于采集新能源微电网电动汽车充电站单元模块里面的某设备运行数据以及控制某些设备通电或者断电或者运行状态。
上述能量管理控制系统是安装有微电网能量管理控制软件模块的计算机系统。
上述实时协调控制器是安装有微电网实时协调管理控制软件模块的嵌入式计算机装置。
上述所述的变配电模块包含高压配电装置、配电变压器和低压配电装置，高压配电装置的输入端接入外部的高压电网，所述的配电变压器一次侧连接于高压配电装置的输出端，二次侧连接于低压配电装置的输入端，低压配电装置提供额定电压为LM(kV)的低压主母线，所述的储能模块、分布式新能源发电单元、负荷以及功率补偿设备均连接于低压配电装置的低压主母线上，微电网控制管理系统控制整个新能源微电网电动汽车充电站单元模块的工作，高压配电装置包括高压电主母线、高压电网接入开关、变压器连接开关和模块级联开关，高压电网接入开关、变压器连接开关和模块级联开关的一端都分别连接在高压电主母线上，高压电网接入开关输入端接入外部的高压电网，变压器连接开关的输出端连接配电变压器一次侧，模块级联开关的引出端用于连接下一级的新能源微电网电动汽车充电站单元模块的高压电网接入开关。
上述当新能源微电网电动汽车充电站单元模块含有多个时，选择一个新能源微电网电动汽车充电站单元模块作为第一级，其高压电网接入开关的输入端 接入外部的高压电网，其模块级联开关与第二级的新能源微电网电动汽车充电站单元模块的高压电网接入开关连接，其余各级的新能源微电网电动汽车充电站单元模块也按以上方式连接串联起来，获取高压电网提供的额定电压为HM(kV)的高压电。
上述选取其中一个新能源微电网电动汽车充电站单元模块的微电网控制管理系统为主，其余新能源微电网电动汽车充电站单元模块的微电网控制管理系统为从属的方式，将主微电网控制管理系统与各从属微电网控制管理系统连接起来相互通信，由主微电网控制管理系统统一向外传送数据及协调各新能源微电网电动汽车充电站单元模块工作。
上述高压电主母线、高压电网接入开关、变压器连接开关和模块级联开关安装在一个柜中形成高压配电柜；低压配电装置包括低压主母线接线和若干个低压接线开关，若干个低压接线开关的一端分别与低压主母线接线连接，另一端连接内置的设备或者引出，将低压主母线接线和若干个低压接线开关安装在一个柜中形成低压配电柜。
上述高压配电装置、配电变压器和低压配电装置是集成安装在一个箱体内形成箱式成套变配电设备。
上述储能模块包含配电柜、储能双向变流器以及电池组，将配电柜、储能双向变流器以及电池组集成安装形成箱式成套设备，储能模块是1个或者多个。
上述分布式新能源发电单元可以1个或者多个，分布式新能源发电单元的种类是光伏发电、或者是风力发电、或者是燃料电池、或者是水力发电、或者是内燃机发电机组、或者是燃气轮机发电机组。
本实用新型与现有技术相比，具有如下效果：
1)本实用新型的新能源微电网电动汽车充电站，新能源微电网电动汽车充电站单元模块分成3级控制管理，其中：储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、无功功率补偿设备的控制器作为一级控制器；微电网控制管理系统包括实时协调控制器和能量管理控制系统，实时协调控制 器作为二级控制器，能量管理控制系统作为顶层控制器；一级控制器属于就地控制器，根据就地采集的各类设备信息对各类电源和负荷进行控制；二级控制器是微电网控制协调层，是微电网系统运行的核心，负责微网整体协调控制，具备其在并网和孤网两种模式及切换条件下的控制功能；顶层控制器(即三级控制器)是微网能量管理系统层，实现对分布式发电供能系统的电源进行优化调度、调配储能和合理分配出力，保证微网安全、稳定、经济运行；这样的布局，灵活方便，适应性强，各级控制器分工明确，各负其责，且有机联系成一个整体，功能完善，控制高效，适用多种控制策略。
2)能量管理控制系统还连接一远动通信装置，能量管理控制系统将微电网的全景数据通过远动通信装置向外发送，也可通过远动通信装置接入远程调度控制中心和信息化云服务，功能完善，使用方便。
3)实时协调控制器、能量管理控制系统和远动通信装置通过通信网络连接，上述的通信网络还连接有卫星时钟，卫星时钟为实时协调控制器、能量管理控制系统、远动通信装置和就地控制器提供精确的时间信号，相互通信快捷方便，且连接结构简单，功能完善；
4)通信网络连接一个光纤盒，微电网控制管理系统通过光纤盒分别与变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备连接通信，结构简单，实施容易；
5)光纤盒还连接若干个测控装置，测控装置用于采集新能源微电网电动汽车充电站单元模块里面的某设备运行数据以及控制某些设备通电或者断电或者运行状态，结构简单，安装方便；
6)当新能源微电网电动汽车充电站单元模块含有多个时，上述选取其中一个新能源微电网电动汽车充电站单元模块的微电网控制管理系统为主，其余新能源微电网电动汽车充电站单元模块的微电网控制管理系统为从属的方式，将主微电网控制管理系统与各从属微电网控制管理系统连接起来相互通信，由主微电网控制管理系统统一向外传送数据及协调各新能源微电网电动汽车充电站 单元模块工作，这样实施，简单方便。
附图说明：
图1是本实用新型实施例一的原理示意图；
图2是本实用新型实施例一具体方框原理图；
图3是本实用新型的新能源微电网电动汽车充电站单元模块的高压电控方框图；
图4是本实用新型实施例一中微电网控制管理系统与各部分的连接示意图；
图5是本实用新型实施例一中微电网控制管理系统的结构示意图；
图6是本实用新型实施例一中微电网控制管理系统的进一步展开的示意图。二的原理示意图；
图7是本实用新型实施例二的具体的方框原理图；
图8是本实用新型实施例二的具体的高压电气接线示意图；
图9是本实用新型实施例二的具体的低压控制接线示意图；
图10是本实用新型实施例三的原理示意图。
具体实施方式：
下面通过具体实施例并结合附图对本实用新型作进一步详细的描述。
实施例一：
如图1至图3所示，本实施例提供的是一种新能源微电网电动汽车充电站，包括有一个新能源微电网电动汽车充电站单元模块，所述的新能源微电网电动汽车充电站单元模块包括变配电模块、储能模块、分布式新能源发电单元、负荷、分布式新能源发电单元和微电网控制管理系统，所述的负荷是电动汽车充电桩或电动汽车充电机，其中：所述的变配电模块包含高压配电装置、配电变压器和低压配电装置，高压配电装置的输入端接入外部的高压电网，所述的配电变压器一次侧连接于高压配电装置的输出端，二次侧连接于低压配电装置的输入端，低压配电装置提供额定电压为LM(kV)的低压主母线，所述的储能模 块、分布式新能源发电单元以及负荷均连接于低压配电装置的低压主母线上，微电网控制管理系统控制整个新能源微电网电动汽车充电站单元模块的工作。
上述高压配电装置包括高压电主母线、高压电网接入开关、变压器连接开关和模块级联开关，高压电网接入开关、变压器连接开关和模块级联开关的一端都分别连接在高压电主母线上，高压电网接入开关输入端接入外部的高压电网，变压器连接开关的输出端连接配电变压器一次侧，模块级联开关的引出端用于连接下一级的新能源微电网电动汽车充电站单元模块的高压电网接入开关。
上述高压电主母线、高压电网接入开关、变压器连接开关和模块级联开关安装在一个柜中形成高压配电柜；低压配电装置包括低压主母线接线和若干个低压接线开关，若干个低压接线开关的一端分别与低压主母线接线连接，另一端连接内置的设备或者引出，将低压主母线接线和若干个低压接线开关安装在一个柜中形成低压配电柜。
高压配电装置、配电变压器和低压配电装置是集成安装在一个箱体内形成箱式成套变配电设备。高压配电装置按充电站容量以及外部高压电网，外部高压电网提供的额定电压为HM(kV)为6kV，或者10kV，或者20kV或35kV，低压配电装置提供额定电压为LM(kV)为0.4KV。
上述储能模块包含配电柜、储能双向变流器以及电池组，将配电柜、储能双向变流器以及电池组集成安装形成箱式成套设备，储能模块是1个或者多个，图3中只画出储能模块1和储能模块N，N是整数，即储能模块可能有1-N的个数范围，因图表述面积有限，所以只画出储能模块1和储能模块N，其实储能模块可以有1个、2个、3个、4个、5个、甚至N个。
分布式新能源发电单元是光伏发电、或者是风力发电、或者是燃料电池、或者是水力发电、或者是内燃机发电机组、或者是燃气轮机发电机组，分布式新能源发电单元可以1个或者多个，图3中只画出分布式新能源发电单元1和分布式新能源发电单元N，N是整数，即储分布式新能源发电单元可能有1-N的个 数范围，因图表述面积有限，所以只画出分布式新能源发电单元1和分布式新能源发电单元N，其实分布式新能源发电单元可以有1个、2个、3个、4个、5个、甚至N个。
上述所述的低压配电装置提供额定电压为LM(kV)的低压主母线还连接无功补偿设备SVG，无功补偿设备SVG受微电网控制管理系统控制，无功补偿设备SVG安装在低压配电柜中。
上述低压配电装置提供额定电压为LM(kV)的低压主母线接线还连接一个接插口，该接插口可直接接入380V市电中带负荷运行工作。
上述在低压配电柜中还可以安装一个内置电动汽车充电桩，该内置电动汽车充电桩与低压主母线连接；低压主母线还连接外置电动汽车充电桩，该外置电动汽车充电桩位于低压配电柜外，储能模块还可以安装内置电动汽车充电桩，该内置电动汽车充电桩安装储能模块的箱体上由储能模块直接供电。
如图4、图5、图6所示，本实用新型的一种新能源微电网电动汽车充电站，至少包括有一个新能源微电网电动汽车充电站单元模块，所述的新能源微电网电动汽车充电站单元模块包括变配电模块、储能模块、分布式新能源发电单元、负荷、无功功率补偿设备和微电网控制管理系统，所述的负荷是电动汽车充电桩或电动汽车充电机，其特征在于：新能源微电网电动汽车充电站单元模块分成3级控制管理，其中：
储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、功率补偿设备的控制器作为一级控制器；
微电网控制管理系统包括实时协调控制器和能量管理控制系统，实时协调控制器作为二级控制器，能量管理控制系统作为顶层控制器；
实时协调控制器分别与储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、分布式新能源发电单元的控制器连接通信，实时协调控制器协调指挥变配电模块、储能模块、分布式新能源发电单元、负荷、无功功率补偿设备的工作负责微电网中暂态稳定控制；
能量管理控制系统与能量管理控制系统相互连接通信，能量管理控制系统收集微电网的各项运行参数和指挥实时协调控制器工作，负责微电网中长期稳定控制和能量管理。
微电网控制管理系统的三层控制结构体系，每层控制器的实时性要求有所不同，一级控制器(或称就地控制器)响应速度最快，为毫秒级别，控制分布式微电源(以下简称微源)的运行和出力；二级控制器(即实时协调控制器)为毫秒、秒级，负责微网暂态稳定控制；三级控制器(能量管理控制系统)最慢，为秒、分钟及以上级别，负责微网中长期稳态控制和能量管理。
上述能量管理控制系统还连接一远动通信装置，能量管理控制系统将微电网的全景数据通过远动通信装置向外发送，也可通过远动通信装置接入远程调度控制中心和信息化云服务。上述微电网的全景数据包括模拟量和状态量，模拟量包括电流、电压、有功功率、无功功率、谐波分量、环境变量；状态量包括开关设备的位置信号、设备警告信号、就地控制装置动作及警告信号和运行监视信号。
上述实时协调控制器、能量管理控制系统和远动通信装置通过通信网络连接。上述的通信网络还连接有卫星时钟，卫星时钟为实时协调控制器、能量管理控制系统、远动通信装置和就地控制器提供精确的时间信号。上述通信网络连接一个光纤盒，微电网控制管理系统通过光纤盒分别与变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备连接通信。上述光纤盒还连接若干个测控装置，测控装置用于检测新能源微电网电动汽车充电站单元模块里面的某设备运行数据以及控制某些设备通电或者断电。上述能量管理控制系统是安装有微电网能量管理控制软件模块的计算机系统。上述实时协调控制器是安装有微电网实时协调管理控制软件模块的嵌入式计算机装置。
如图6所示，变配电模块形成成套的箱式结构，里面设置光纤盒和测控装置，测控装置可以有多个，可以测量高压电主母线的电流、电压及高压电网接入开关、变压器连接开关和模块级联开关的状态，也可以控制高压电网接入开 关、变压器连接开关和模块级联开关的关断与闭合，测控装置通过变配电模块自带的光纤盒引出，变配电模块自带的光纤盒通过光纤与微电网控制管理系统的光纤盒连接通信。
无功补偿设备SVG内置控制器，无功补偿设备SVG的控制器通过光纤与微电网控制管理系统的光纤盒连接通信。
分布式新能源发电单元也带有控制器、内置式光纤盒和测控装置，测控装置和控制器连接内置式光纤盒，分布式新能源发电单元的控制器通过内置式光纤盒与微电网控制管理系统的光纤盒连接通信。
储能模块也带有控制器、内置式光纤盒和测控装置，储能模块的控制器一般是指电池管理系统BMS，电池管理系统BMS控制储能双向变流器工作；电池管理系统BMS通过内置式光纤盒与微电网控制管理系统的光纤盒连接通信。
负荷也带有控制器和内置式光纤盒，负荷的控制器通过内置式光纤盒与微电网控制管理系统的光纤盒连接通信。
实施例二：
如图7、图8所示，本实施例提供的是一种新能源微电网电动汽车充电站，包括有2个新能源微电网电动汽车充电站单元模块，分别为一级新能源微电网电动汽车充电站单元模块和二级新能源微电网电动汽车充电站单元模块，一级新能源微电网电动汽车充电站单元模块和二级新能源微电网电动汽车充电站单元模块是与实施例一所描述的新能源微电网电动汽车充电站单元模块是相同的。图8中由于图片篇幅的关系，没有将一级新能源微电网电动汽车充电站单元模块和二级新能源微电网电动汽车充电站单元模块的结构全部画出来，只是画出了变配电模块部分的电气原理图，因为一级新能源微电网电动汽车充电站单元模块和二级新能源微电网电动汽车充电站单元模块的连接只是在变配电模块的连接。
一级新能源微电网电动汽车充电站单元模块的高压电网接入开关的输入端 接入外部的高压电网，一级新能源微电网电动汽车充电站单元模块的模块级联开关与第二级的新能源微电网电动汽车充电站单元模块的高压电网接入开关连接，获取高压电网提供的额定电压为HM(kV)的高压电。
图9中由于图片篇幅的关系，没有将一级新能源微电网电动汽车充电站单元模块和二级新能源微电网电动汽车充电站单元模块的结构全部画出来，只是画出了微电网控制管理系统的原理框图，一级新能源微电网电动汽车充电站单元模块的微电网控制管理系统与二级新能源微电网电动汽车充电站单元模块的微电网控制管理系统通过光纤连接通信，即利用微电网控制管理系统的光纤盒实现，非常简单方便。选取其中一级新能源微电网电动汽车充电站单元模块的微电网控制管理系统为主，二级新能源微电网电动汽车充电站单元模块的微电网控制管理系统为从属的方式，将一级新能源微电网电动汽车充电站单元模块的主微电网控制管理系统与二级新能源微电网电动汽车充电站单元模块的从属微电网控制管理系统连接起来相互通信，由主微电网控制管理系统统一向外传送数据及协调各新能源微电网电动汽车充电站单元模块工作。
实施例三：
图10所示，本实施例提供的是一种新能源微电网电动汽车充电站，包括有4个新能源微电网电动汽车充电站单元模块，分别为一级新能源微电网电动汽车充电站单元模块、二级新能源微电网电动汽车充电站单元模块、三级新能源微电网电动汽车充电站单元模块和四级新能源微电网电动汽车充电站单元模块；一级新能源微电网电动汽车充电站单元模块高压电网接入开关的输入端接入外部的高压电网，一级新能源微电网电动汽车充电站单元模块的模块级联开关与第二级的新能源微电网电动汽车充电站单元模块的高压电网接入开关连接，其余各级的新能源微电网电动汽车充电站单元模块也按以上方式连接串联起来，获取高压电网提供的额定电压为HM(kV)的高压电。
选取其中一级新能源微电网电动汽车充电站单元模块的微电网控制管理系 统为主，二级新能源微电网电动汽车充电站单元模块的微电网控制管理系统、三级新能源微电网电动汽车充电站单元模块的微电网控制管理系统、四级新能源微电网电动汽车充电站单元模块的微电网控制管理系统为从属的方式，将一级新能源微电网电动汽车充电站单元模块的主微电网控制管理系统与各级新能源微电网电动汽车充电站单元模块的从属微电网控制管理系统连接起来相互通信，由主微电网控制管理系统统一向外传送数据及协调各新能源微电网电动汽车充电站单元模块工作。
一级新能源微电网电动汽车充电站单元模块的主微电网控制管理系统与二级新能源微电网电动汽车充电站单元模块的从属微电网控制管理系统通过光纤连接通信，即利用微电网控制管理系统的光纤盒实现，非常简单方便。三级新能源微电网电动汽车充电站单元模块的从属微电网控制管理系统和四级新能源微电网电动汽车充电站单元模块的从属微电网控制管理系统也通过光纤连接一级新能源微电网电动汽车充电站单元模块的微电网控制管理系统。
以上实施例为本发明的较佳实施方式，但本发明的实施方式不限于此，其他任何未背离本发明的精神实质与原理下所作的改变、修饰、替代、组合、简化，均为等效的置换方式，都包含在本发明的保护范围之内。

Claims (16)

  1. 一种新能源微电网电动汽车充电站，至少包括有一个新能源微电网电动汽车充电站单元模块，所述的新能源微电网电动汽车充电站单元模块包括变配电模块、储能模块、分布式新能源发电单元、负荷、无功功率补偿设备和微电网控制管理系统，所述的负荷是电动汽车充电桩或电动汽车充电机，其特征在于：新能源微电网电动汽车充电站单元模块分成3级控制管理，其中：
    储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、无功功率补偿设备的控制器作为一级控制器；
    微电网控制管理系统包括实时协调控制器和能量管理控制系统，实时协调控制器作为二级控制器，能量管理控制系统作为顶层控制器；
    实时协调控制器分别与储能模块的控制器、分布式新能源发电单元的控制器、负荷的控制器、分布式新能源发电单元的控制器连接通信，实时协调控制器协调指挥变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备的工作,负责微电网中暂态稳定控制；
    能量管理控制系统与实时协调控制器相互连接通信，能量管理控制系统收集微电网的各项运行参数和指挥实时协调控制器工作，负责微电网中长期稳定控制和能量管理。
  2. 根据权利要求1所述的一种新能源微电网电动汽车充电站，其特征在于：能量管理控制系统还连接一远动通信装置，能量管理控制系统将微电网的全景数据通过远动通信装置向外发送，也可通过远动通信装置接入远程调度控制中心和信息化云服务。
  3. 根据权利要求2所述的一种新能源微电网电动汽车充电站，其特征在于：微电网的全景数据包括模拟量和状态量，模拟量包括电流、电压、有功功率、无功功率、谐波分量、环境变量；状态量包括开关设备的位置信号、设备警告信号、就地控制装置动作及警告信号和运行监视信号。
  4. 根据权利要求2或3所述的一种新能源微电网电动汽车充电站，其特征 在于：实时协调控制器、能量管理控制系统和远动通信装置通过通信网络连接。
  5. 根据权利要求4所述的一种新能源微电网电动汽车充电站，其特征在于：通信网络还连接有卫星时钟，卫星时钟为实时协调控制器、能量管理控制系统、远动通信装置和就地控制器提供精确的时间信号。
  6. 根据权利要求5所述的一种新能源微电网电动汽车充电站，其特征在于：通信网络连接一个光纤盒，微电网控制管理系统通过光纤盒分别与变配电模块、储能模块、分布式新能源发电单元、负荷、功率补偿设备连接通信。
  7. 根据权利要求6所述的一种新能源微电网电动汽车充电站，其特征在于：光纤盒还连接若干个测控装置，测控装置用于采集新能源微电网电动汽车充电站单元模块里面的某设备运行数据以及控制某些设备通电或者断电或者运行状态。
  8. 根据权利要求1或2或3所述的一种新能源微电网电动汽车充电站，其特征在于：能量管理控制系统是安装有微电网能量管理控制软件模块的计算机系统。
  9. 根据权利要求1或2或3所述的一种新能源微电网电动汽车充电站，其特征在于：实时协调控制器是安装有微电网实时协调管理控制软件模块的嵌入式计算机装置。
  10. 根据权利要求1或2或3所述的一种新能源微电网电动汽车充电站，其特征在于：所述的变配电模块包含高压配电装置、配电变压器和低压配电装置，高压配电装置的输入端接入外部的高压电网，所述的配电变压器一次侧连接于高压配电装置的输出端，二次侧连接于低压配电装置的输入端，低压配电装置提供额定电压为LM(kV)的低压主母线，所述的储能模块、分布式新能源发电单元、负荷以及功率补偿设备均连接于低压配电装置的低压主母线上，微电网控制管理系统控制整个新能源微电网电动汽车充电站单元模块的工作，高压配电装置包括高压电主母线、高压电网接入开关、变压器连接开关和模块级联开关，高压电网接入开关、变压器连接开关和模块级联开关的一端都分别连 接在高压电主母线上，高压电网接入开关输入端接入外部的高压电网，变压器连接开关的输出端连接配电变压器一次侧，模块级联开关的引出端用于连接下一级的新能源微电网电动汽车充电站单元模块的高压电网接入开关。
  11. 根据权利要求10所述的新能源微电网电动汽车充电站，其特征在于：当新能源微电网电动汽车充电站单元模块含有多个时，选择一个新能源微电网电动汽车充电站单元模块作为第一级，其高压电网接入开关的输入端接入外部的高压电网，其模块级联开关与第二级的新能源微电网电动汽车充电站单元模块的高压电网接入开关连接，其余各级的新能源微电网电动汽车充电站单元模块也按以上方式连接串联起来，获取高压电网提供的额定电压为HM(kV)的高压电。
  12. 根据权利要求11所述的新能源微电网电动汽车充电站，其特征在于：选取其中一个新能源微电网电动汽车充电站单元模块的微电网控制管理系统为主，其余新能源微电网电动汽车充电站单元模块的微电网控制管理系统为从属的方式，将主微电网控制管理系统与各从属微电网控制管理系统连接起来相互通信，由主微电网控制管理系统统一向外传送数据及协调各新能源微电网电动汽车充电站单元模块工作。
  13. 根据权利要求10所述的新能源微电网电动汽车充电站，其特征在于：高压电主母线、高压电网接入开关、变压器连接开关和模块级联开关安装在一个柜中形成高压配电柜；低压配电装置包括低压主母线接线和若干个低压接线开关，若干个低压接线开关的一端分别与低压主母线接线连接，另一端连接内置的设备或者引出，将低压主母线接线和若干个低压接线开关安装在一个柜中形成低压配电柜。
  14. 根据权利要求10所述的新能源微电网电动汽车充电站，其特征在于：高压配电装置、配电变压器和低压配电装置是集成安装在一个箱体内形成箱式成套变配电设备。
  15. 据权利要求14所述的新能源微电网电动汽车充电站，其特征在于：储 能模块包含配电柜、储能双向变流器以及电池组，将配电柜、储能双向变流器以及电池组集成安装形成箱式成套设备，储能模块是1个或者多个。
  16. 据权利要求15所述的新能源微电网电动汽车充电站，其特征在于：分布式新能源发电单元可以1个或者多个，分布式新能源发电单元的种类是光伏发电、或者是风力发电、或者是燃料电池、或者是水力发电、或者是内燃机发电机组、或者是燃气轮机发电机组。
PCT/CN2017/077713 2016-12-08 2017-03-22 一种新能源微电网电动汽车充电站 WO2018103231A1 (zh)

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