CN112448470A - 一种集综合能源利用实现的快速响应电厂保安系统 - Google Patents

一种集综合能源利用实现的快速响应电厂保安系统 Download PDF

Info

Publication number
CN112448470A
CN112448470A CN202011291476.7A CN202011291476A CN112448470A CN 112448470 A CN112448470 A CN 112448470A CN 202011291476 A CN202011291476 A CN 202011291476A CN 112448470 A CN112448470 A CN 112448470A
Authority
CN
China
Prior art keywords
feedback signal
battery
power supply
controller
collector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011291476.7A
Other languages
English (en)
Inventor
李晋泉
杨瑞褒
杜子香
刘志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Horui Electric Power Science And Technology Research Institute Co ltd
Original Assignee
Shanxi Horui Electric Power Science And Technology Research Institute Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanxi Horui Electric Power Science And Technology Research Institute Co ltd filed Critical Shanxi Horui Electric Power Science And Technology Research Institute Co ltd
Priority to CN202011291476.7A priority Critical patent/CN112448470A/zh
Publication of CN112448470A publication Critical patent/CN112448470A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • 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
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • 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
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • H02J9/062—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 AC powered loads
    • 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
    • H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30—Reactive power compensation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Human Computer Interaction (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

本发明公开了一种集综合能源利用实现的快速响应电厂保安系统，包括硬件和软件控制两部分。其中，硬件部分包括储能电池组及其充、放电适配的电气设备和元器件；软件控制部分由两台工业控制器完成，包括储能电池组供电控制器和储能电池组充电控制器。在应急状态下，用储能电池组提供电能，通过逆变和输出控制，实现电厂保安系统快速响应功能。在正常情况下，通过太阳能和电网两种控制切换方式给储能电池组充电，以备应急。与现有技术相比，本发明显著提高了电厂保安系统的应急响应速度和安全性，减少了柴油机应用模式存在的烟气、高温、消防、环保问题，而且采用光伏充电模式可达到综合能源利用、节能环保的效果，具有很好的应用前景。

Description

一种集综合能源利用实现的快速响应电厂保安系统
技术领域
本发明属于火电厂应急电源技术领域，具体涉及一种集综合能源利用实现的快速响应电厂保安系统。
背景技术
保安电源是火电厂应对全厂停电引起锅炉、汽轮机、发电机损坏的应急反事故措施，其可靠性和响应速度直接关系到电厂主、辅机设备的安全和使用寿命。目前，保安电源主要通过柴油发电机实现。柴油发电机涉及到柴油、燃烧、机械、调速、调压、电气控制等多个工序，一方面其可靠性低、响应速度慢(通常需要3-5分钟提供额定电能)；另一方面，容易对厂房环境造成烟气和噪声影响，因此必须做好消防、环保、高温烫伤等安全防护措施。
发明内容
本发明旨在提供一种集综合能源利用实现的快速响应电厂保安系统，在应急状态下，该系统用电池组提供电能，通过逆变和输出控制，实现电厂保安系统的快速响应功能，一般需要10-20秒提供额定电能；在正常情况下，该系统通过太阳能和电网两种控制切换方式给电池组充电，以备应急。
为达到上述目的，本发明采用了以下技术方案：
一种集综合能源利用实现的快速响应电厂保安系统，其特征在于：包括硬件和软件控制两部分，其中，
硬件部分包括电池组、直流电压变换器DC/DC-1、逆变器、滤波器-1、母线电池侧断路器CCTS、母线电网侧断路器ATS、保安段母线、无功补偿装置SVC/SVG、电池充电交流断路器Brk-1、滤波器-2、电池充电变压器T、三相桥式全控整流器Rtf、平波电抗器L、光伏侧充电断路器Brk-2、直流电压变换器DC/DC-2、二极管D1、二极管D2、二极管D3、电压互感器1、电压互感器2、电压反馈信号采集器1、电压反馈信号采集器2、电压反馈信号采集器3、电压反馈信号采集器4；
软件控制部分包括电池供电控制器和电池充电控制器。
进一步，电池组通过直流电压变换器DC/DC-1、二极管D3、逆变器、滤波器-1、母线电池侧断路器CCTS连接至保安系统母线作为应急电源，其用途是给厂用系统重要辅机设备提供应急电源，确保锅炉、汽轮机、发电机、易燃易爆系统平稳停机，避免发生安全事故。
进一步，电网通过母线电网侧断路器ATS连接至保安系统母线作为保安段正常运行的供电电源。
进一步，光伏端依次通过光伏侧充电断路器Brk-2、直流电压变换器DC/DC-2、二极管D2连接至电池组，作为电池组充电第一通道，实现了电厂占地空间光资源的能源利用。
进一步，电网侧通过保安段母线、电池充电交流断路器Brk-1、滤波器-2、电池充电变压器T、三相桥式全控整流器Rtf、平波电抗器L、二极管D1连接至电池组，作为电池组充电第二通道。
二极管D1、D2、D3起解耦作用，使电池组充电第一通道、第二通道和电池组提供应急电源三种运行方式互不影响，避免环流，提高系统运行的安全性、可靠性、自适应性。
进一步，所述电池供电控制器的采集器/互感器反馈信号输入端与电压互感器1的供电控制器端相连接以接收母线电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压互感器2的供电控制器端相连接以接收电网侧电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器4的供电控制器端相连接以接收逆变器输出电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器3的供电控制器端相连接以接收直流电压变换器DC/DC-1输出电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器2的供电控制器端相连接以接收电池组输出电压反馈信号；所述电池供电控制器与母线电池侧断路器CCTS相连接以接收CCTS状态信号，控制CCTS断路器分、合闸；所述电池供电控制器与母线电网侧断路器ATS相连接以接收ATS状态信号，控制ATS断路器分、合闸；所述电池充电控制器与逆变器相连接以控制逆变器的输出电压；所述电池充电控制器与电池充电直流电压变换器DC/DC-1相连接以控制DC/DC-1直流电压变比。
所述电池充电控制器的采集器/互感器反馈信号输入端与电压互感器1的充电控制器端相连接以接收母线电压反馈信号；所述电池充电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器1的充电控制器端相连接以接收光伏侧电压反馈信号；所述电池充电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器2的充电控制器端相连接以接收电池组输出电压反馈信号；所述电池充电控制器与电池充电直流电压变换器DC/DC-2相连接以控制DC/DC-2直流电压变比；所述电池充电控制器与三相桥式全控整流器Rtf相连接以控制Rtf输出电压；所述电池充电控制器与电池充电交流断路器Brk-1相连接以接收Brk-1状态信号，控制Brk-1分、合闸；所述电池充电控制器与光伏充电断路器Brk-2相连接以接收Brk-2状态信号，控制Brk-2分、合闸。
所述电池供电、充电控制器与无功补偿装置SVC/SVG相连接以控制SVG无功功率补偿度，维持供电或充电运行方式下保安段母线的电压水平。
本发明涉及的电压反馈信号和各电气设备和元器件状态反馈信号通过控制器软件进行自动跟踪计算，形成控制器的输出，控制保安系统的运行工作。
本发明所述的保安系统的运行状态为：(1)正常情况下，保安段母线由电网侧供电，ATS合位，CTTS侧断位。(2)应急状态下，当电网侧失电，ATS瞬时断开，逆变器迅速建立逆变输出电压，然后CTTS侧合上，母线由电池供电；当电网侧电压恢复，控制器捕捉电网和保安段母线电压同期点瞬时合上ATS，然后CTTS断开，母线恢复电网供电。(3)电池充电状态：电池经电池充电控制器控制，自动控制Brk-1、BRK-2补充能量，或由电网充电、或由光伏充电，或两者并联充电。电池容量充满时，可选择自动断开Brk-1、Brk-2。
与现有技术相比，本发明具有以下有益效果：
1、本发明采用专用大容量储能电池模式取代现有的柴油机应用模式，优化电厂保安系统现有的应用模式，显著提高电厂保安系统的应急响应速度和安全性，且减少柴油机应用模式存在的烟气、高温、消防、环保问题；
2、火电厂办公楼、厂房、车间具有构建光伏电站的空间，具备光伏利用的自然条件，通过光伏充电可达到综合能源利用、节能环保的效果，具有很好的应用前景；
3、本发明光伏和储能电池都是直流电，二者之间无须变压器，通过成熟的电力电子元器件DC/DC来实现充电储能，其大大节省了投资成本，提高了系统的可靠性；
4、本发明储能电池组供电控制器具备捕捉同期功能，当电网恢复时，可以通过不间断并联切换，恢复电网供电模式，退出储能电池供电模式；
5、本发明储能电池组供电控制器具备频率、电压调节功能，输出电能满足电能质量要求；
6、本发明不存在环网、环流问题。
综上所述，本发明具有快速、安全、可靠、环保、节能以及便于推广使用的运行效果。
附图说明
图1是本发明的集综合能源利用实现的快速响应电厂保安系统结构原理图。
具体实施方式
下面结合附图和具体实施例对本发明进行详细说明。本实施例以本发明技术方案为前提进行实施，给出了详细的实施方式和具体的操作过程，但本发明的保护范围不限于下述的实施例。
本发明提供的一种集综合能源利用实现的快速响应电厂保安系统包括硬件和软件控制两部分。
如图1所示，保安系统母线左侧为保安电源，包括电池组、直流电压变换器DC/DC-1、逆变器、滤波器-1、母线电池侧断路器CCTS、电压互感器1、无功补偿装置SVC/SVG、电池充电交流断路器Brk-1、滤波器-2、变压器T、三相桥式全控整流器Rtf、平波电抗器L、光伏侧充电断路器Brk-2、直流电压变换器DC/DC-2、二极管D1、二极管D2、二极管D3、电压反馈信号采集器1，电压反馈信号采集器2、电压反馈信号采集器3、电压反馈信号采集器4。
保安系统母线右侧为电网侧，包括母线电网侧断路器ATS、电压互感器2。
该保安系统由两个控制器控制工作。正常情况下，保安段母线由电网侧供电，ATS合位，CCTS侧断位。应急状态下，当电网侧失电，ATS瞬时断开，逆变器迅速建立逆变输出电压，然后CCTS侧合上，保安段母线由电池组供电；当电网侧电压恢复，控制器捕捉电网和保安段母线电压同期点瞬时合上ATS，然后CCTS断开，母线恢复电网供电。电池充电状态下，电池组经电池充电控制器控制，自动控制Brk-1、Brk-2补充能量，或由电网充电、或由光伏充电，或两者并联充电。电池容量充满时，可选择自动断开Brk-1、Brk-2。
本实施例中，所述保安系统直接安装在电厂保安段小室，无须设置专用厂房，实现方式简单可靠，安全环保，节约电缆连接成本。该保安系统可以采取如下组屏方式：
a.直流屏柜：包含储能电池组，Brk-2，DC/DC-1、DC/DC-2，电压反馈信号采集器，二极管D1、D2、D3；
b.交直流屏柜：包含三相桥式全控整流Rtf，平波电抗器L，逆变器，控制器，电压反馈信号采集器；
c.交流屏柜：包含CCTS，ATS，Brk-1，滤波器，变压器T，PT，SVC/SVG。
电厂正常运行时，电池供电控制器处于智能值守状态，负责电池供电控制和管理和应急输出。控制器开入、开出有两种形式：
一是硬接线方式，包括采集保安段母线电压、电网电压、电池电压、DC/DC-1输出电压、逆变器输出电压、ATS状态、CCTS状态、控制ATS、CCTS的合分闸。
二是点对点通讯方式，包括控制器之间、控制器与逆变器之间、控制器与DC/DC之间，通过实时监控DC/DC-1和逆变器输出，达到逆变器以保安母线电压为控制目标的闭环控制；通过液晶显示屏可以显示各部件的运行状态。
电厂正常运行时，电池充电控制器处于智能值守状态，负责电池充电控制和管理，具备电池容量管理功能。控制器开入、开出有两种形式：
一是硬接线方式，采集母线电压、光伏电站电压、Brk-1状态、Brk-2状态，通过控制Brk-1、Brk-2、DC/DC-2，控制电池的充电条件和充电方式，光伏优先。
二是点对点通讯方式，与三相桥式全控整流器连接，达到整流器以电池充电电压为控制目标的闭环控制；与SVG连接，控制SVG无功功率，保证储能电池组充电时保安段母线电压质量。通过液晶显示屏可以显示各部件的运行状态。
本实施例中，电源控制器和电池充电控制器均可以提供数据接口，与电厂ECS或DCS通讯，可以实现远程监控功能。
本实施例中，装置工作电源不依赖于外部提供，自给自足。

Claims (6)

1.一种集综合能源利用实现的快速响应电厂保安系统，其特征在于：包括硬件和软件控制两部分，其中，
硬件部分包括电池组、直流电压变换器DC/DC-1、逆变器、滤波器-1、母线电池侧断路器CCTS、母线电网侧断路器ATS、保安段母线、无功补偿装置SVC/SVG、电池充电交流断路器Brk-1、滤波器-2、电池充电变压器T、三相桥式全控整流器Rtf、平波电抗器L、光伏侧充电断路器Brk-2、直流电压变换器DC/DC-2、二极管D1、二极管D2、二极管D3、电压互感器1、电压互感器2、电压反馈信号采集器1、电压反馈信号采集器2、电压反馈信号采集器3、电压反馈信号采集器4；
软件控制部分包括电池供电控制器和电池充电控制器。
2.根据权利要求1所述的一种集综合能源利用实现的快速响应电厂保安系统，其特征在于：电池组通过直流电压变换器DC/DC-1、二极管D3、逆变器、滤波器-1、母线电池侧断路器CCTS连接至保安系统母线作为应急电源。
3.根据权利要求1所述的一种集综合能源利用实现的快速响应电厂保安系统，其特征在于：电网通过母线电网侧断路器ATS连接至保安系统母线作为保安段正常运行的供电电源。
4.根据权利要求1所述的一种集综合能源利用实现的快速响应电厂保安系统，其特征在于：光伏端依次通过光伏侧充电断路器Brk-2、直流电压变换器DC/DC-2、二极管D2连接至电池组，作为电池组充电第一通道。
5.根据权利要求1所述的一种集综合能源利用实现的快速响应电厂保安系统，其特征在于：电网侧通过保安段母线、电池充电交流断路器Brk-1、滤波器-2、变压器T、三相桥式全控整流器Rtf、平波电抗器L、二极管D1连接至电池组，作为电池组充电第二通道。
6.根据权利要求1所述的一种集综合能源利用实现的快速响应电厂保安系统，其特征在于：所述电池供电控制器的采集器/互感器反馈信号输入端与电压互感器1的供电控制器端相连接以接收母线电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压互感器2的供电控制器端相连接以接收电网侧电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器4的供电控制器端相连接以接收逆变器输出电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器3的供电控制器端相连接以接收直流电压变换器DC/DC-1输出电压反馈信号；所述电池供电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器2的供电控制器端相连接以接收电池组输出电压反馈信号；所述电池供电控制器与母线电池侧断路器CCTS相连接以接收CCTS状态信号，控制CCTS断路器分、合闸；所述电池供电控制器与母线电网侧断路器ATS相连接以接收ATS状态信号，控制ATS断路器分、合闸；所述电池充电控制器与逆变器相连接以控制逆变器的输出电压；所述电池充电控制器与电池充电直流电压变换器DC/DC-1相连接以控制DC/DC-1直流电压变比；
所述电池充电控制器的采集器/互感器反馈信号输入端与电压互感器1的充电控制器端相连接以接收母线电压反馈信号；所述电池充电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器1的充电控制器端相连接以接收光伏侧电压反馈信号；所述电池充电控制器的采集器/互感器反馈信号输入端与电压反馈信号采集器2的充电控制器端相连接以接收电池组输出电压反馈信号；所述电池充电控制器与电池充电直流电压变换器DC/DC-2相连接以控制DC/DC-2直流电压变比；所述电池充电控制器与三相桥式全控整流器Rtf相连接以控制Rtf输出电压；所述电池充电控制器与电池充电交流断路器Brk-1相连接以接收Brk-1状态信号，控制Brk-1分、合闸；所述电池充电控制器与光伏充电断路器Brk-2相连接以接收Brk-2状态信号，控制Brk-2分、合闸；
所述电池供电、充电控制器与无功补偿装置SVC/SVG相连接以控制SVG无功功率补偿度。
CN202011291476.7A 2020-11-18 2020-11-18 一种集综合能源利用实现的快速响应电厂保安系统 Pending CN112448470A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011291476.7A CN112448470A (zh) 2020-11-18 2020-11-18 一种集综合能源利用实现的快速响应电厂保安系统

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011291476.7A CN112448470A (zh) 2020-11-18 2020-11-18 一种集综合能源利用实现的快速响应电厂保安系统

Publications (1)

Publication Number Publication Date
CN112448470A true CN112448470A (zh) 2021-03-05

Family

ID=74737475

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011291476.7A Pending CN112448470A (zh) 2020-11-18 2020-11-18 一种集综合能源利用实现的快速响应电厂保安系统

Country Status (1)

Country Link
CN (1) CN112448470A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113162215A (zh) * 2021-04-01 2021-07-23 中国电建集团华东勘测设计研究院有限公司 一种代替海上平台柴油发电机系统的新的应急电源系统及控制方法
WO2024103141A1 (pt) * 2022-11-17 2024-05-23 Aruanã Energia S/A Estabilizador de potência de alto rendimento

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202931005U (zh) * 2012-12-07 2013-05-08 国家电网公司 一种清洁智能储能式应急电源系统
CN203289177U (zh) * 2013-05-10 2013-11-13 国家电网公司 一种不间断电源供电系统
CN207801570U (zh) * 2018-02-10 2018-08-31 中瑞鸿电气有限公司 储能式应急电源车
US20190089163A1 (en) * 2016-04-20 2019-03-21 Concept By Us Corporation A photovoltaic sources power station with integrated batterycharge/discharge cycle
CN109950969A (zh) * 2019-04-27 2019-06-28 国网江苏省电力有限公司宿迁供电分公司 一种基于光伏备用的变电站直流系统应急电源

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202931005U (zh) * 2012-12-07 2013-05-08 国家电网公司 一种清洁智能储能式应急电源系统
CN203289177U (zh) * 2013-05-10 2013-11-13 国家电网公司 一种不间断电源供电系统
US20190089163A1 (en) * 2016-04-20 2019-03-21 Concept By Us Corporation A photovoltaic sources power station with integrated batterycharge/discharge cycle
CN207801570U (zh) * 2018-02-10 2018-08-31 中瑞鸿电气有限公司 储能式应急电源车
CN109950969A (zh) * 2019-04-27 2019-06-28 国网江苏省电力有限公司宿迁供电分公司 一种基于光伏备用的变电站直流系统应急电源

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113162215A (zh) * 2021-04-01 2021-07-23 中国电建集团华东勘测设计研究院有限公司 一种代替海上平台柴油发电机系统的新的应急电源系统及控制方法
WO2024103141A1 (pt) * 2022-11-17 2024-05-23 Aruanã Energia S/A Estabilizador de potência de alto rendimento

Similar Documents

Publication Publication Date Title
AU2018102188A4 (en) Method for controlling stability when microgrid grid connection switches to island operation mode
EP2645522A1 (en) A battery storage device for distributed hybrid powered smart grid system and control method thereof
CN103997046A (zh) 箱式储能变电站储能单元投切控制方法
CN214204284U (zh) 适应多应用场景的多能源混合电站系统
CN203481919U (zh) 一种具有并网/孤网自动无缝切换功能的微电网实验平台
CN111404186B (zh) 一种配变动态增容智能储能装置及控制方法
CN110011344B (zh) 一种储能系统及其控制方法
CN105978008A (zh) 一种具有风场黑启动功能的液流电池储能系统及其工作方法
CN108347067B (zh) 一种含有电池储能和发电机的微网架构和控制方法
CN112290659B (zh) 一种飞轮储能系统前置电源自动投切系统及其方法
CN112448470A (zh) 一种集综合能源利用实现的快速响应电厂保安系统
CN109742809A (zh) 一种多源互补储能型发电厂保安电源系统及其控制方法
Martirano et al. Implementation of SCADA systems for a real microgrid lab testbed
CN108879771B (zh) 一种海上风电场应急柴油发电机组控制系统及控制方法
Huang et al. Research on and application of fault disposal in flexible interconnection distribution network
CN113644661A (zh) 一种低压配电网末端低电压治理并联补偿装置
CN209375151U (zh) 一种多源互补储能型发电厂保安电源系统
CN111416373A (zh) 一种配变动态增容光储一体化装置
CN116404679A (zh) 微电网补偿装置及微电网补偿方法
Ortmann et al. Architecture, components and operation of an experimental hybrid ac/dc smart microgrid
CN103956961B (zh) 一种孤网光风油混合发电系统的控制方法
CN203984087U (zh) 基于plc的移动式不间断稳压电源系统
CN211930271U (zh) 一种用于配变增容的智能储能装置
CN212085818U (zh) 一种模块化组合的电网侧储能装置
CN210273512U (zh) 一种微网控制系统

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20210305