CN112751360A - 一种海上双馈式风电机组及其配套升压设备电气系统 - Google Patents

一种海上双馈式风电机组及其配套升压设备电气系统 Download PDF

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CN112751360A
CN112751360A CN202011638334.3A CN202011638334A CN112751360A CN 112751360 A CN112751360 A CN 112751360A CN 202011638334 A CN202011638334 A CN 202011638334A CN 112751360 A CN112751360 A CN 112751360A
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transformer
wind turbine
booster
turbine generator
load
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任少义
张石
张博
夏晖
张朝闻
霍焕杰
许艺纬
杜晓曦
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Longyuan Beijing Wind Power Engineering Design and Consultation Co Ltd
Longyuan Beijing Wind Power Engineering Technology Co Ltd
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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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F03D9/255—Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • 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
    • 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
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/28—The renewable source being wind energy
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • 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
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    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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    • 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

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  • Engineering & Computer Science (AREA)
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Abstract

本发明公开了一种海上双馈式风电机组及其配套升压设备电气系统，包括风力发电机、升压变压器和环网柜，所述升压变压器低压侧连接风力发电机，高压侧连接环网柜，所述风力发电机与升压变压器之间的线路上并联接入配电变压器，所述配电变压器向风力发电机负载、升压变压器负载、环网柜负载和UPS电源供电，所述UPS电源向风力发电机和升压变压器的控制器、接触器和环网柜的二次回路不间断供电。本发明在保证设备运行安全的可靠性基础上，精简了设备，降低造价成本，也减少了故障发生点。

Description

一种海上双馈式风电机组及其配套升压设备电气系统
技术领域
本发明涉及风力发电技术领域，特别是涉及一种海上双馈式风电机组及其配套升压设备电气系统。
背景技术
近年来，我国海上风电正成为全球风电产业发展的新动力，而海上风电对我国能源转型的支撑作用也将越来越显著。同时，随着海上风电离岸距离越来越远，单机容量越来越大，单台风电机组造价愈来愈高，其停机故障损失影响及维护成本也越来越高。目前，风电机组及其配套升压设备设计协调性较差，导致电气回路设计与配置繁冗，有些设备利用率低，故障点多，且经济性差。
由此可见，如何能创设一种可维护性强、配置精简且利用率高的海上双馈式风电机组及其配套升压设备电气系统，实属当前重要研发课题之一。
发明内容
本发明要解决的技术问题是提供一种海上双馈式风电机组及其配套升压设备电气系统。使其能够精简设备，节省成本，减少故障点，提高海上风电设备运行的可靠性，从而克服现有的风电机组电气系统的不足。
为解决上述技术问题，本发明提供一种海上双馈式风电机组及其配套升压设备电气系统，包括风力发电机、升压变压器和环网柜，所述升压变压器低压侧连接风力发电机，高压侧连接环网柜，所述风力发电机与升压变压器之间的线路上并联接入配电变压器，所述配电变压器向风力发电机负载、升压变压器负载、环网柜负载和UPS电源供电，所述UPS电源向风力发电机和升压变压器的控制器、接触器和环网柜的二次回路不间断供电。
作为本发明的一种改进，所述风力发电机与升压变压器之间设置刀熔开关，所述刀熔开关安装在风电机组塔底。
进一步地，所述环网柜内设置断路器和综合保护装置，在升压变压器高压侧线路上设置第一电流互感器，风力发电机定子电流输出线路上设置第二电流互感器，综合保护装置分别与第一电流互感器、第二电流互感器和断路器电连接，以升压变压器高压侧电流和风力发电机定子电流为输入信号，控制断路器跳闸，所述综合保护装置通过通讯线与升压站监控系统连接。
进一步地，所述配电变压器为690V/400V变压器。
进一步地，所述配电变压器通过配电盘向升压变压器负载、风力发电机负载、环网柜负载和UPS电源供电。
进一步地，所述风力发电机的定子电流输出线路上设置有并网接触器，所述风力发电机的转子电流输出线路上设置有网侧接触器和变频器。
采用这样的设计后，本发明至少具有以下优点：
1、通过对接线一体化设计，为风电机组、升压变压器统和环网柜统一配置一台配电变压器和UPS电源，并在风电机组塔底设置刀熔开关，保证设备运行安全的可靠性基础上，精简了设备，降低了成本，也减少了故障点。
2、在环网柜内综合保护装置，提升了海上风电机组设备运行的可靠性。
附图说明
上述仅是本发明技术方案的概述，为了能够更清楚了解本发明的技术手段，以下结合附图与具体实施方式对本发明作进一步的详细说明。
图1是本发明提供的一种海上双馈式风电机组及其配套升压设备电气系统的组成原理图。
具体实施方式
请参阅图1，本发明提供一种海上双馈式风电机组及其配套升压设备电气系统，包括风力发电机、升压变压器T1和环网柜，所述升压变压器T1低压侧连接风力发电机，高压侧连接环网柜，所述环网柜用于对升压变压器T1进行投退操作，并及时切断升压变压器T1故障。所述风力发电机与升压变压器T1之间的线路上并联接入配电变压器T2，所述配电变压器T2向风力发电机负载、升压变压器负载、环网柜负载和UPS电源供电，所述UPS电源向风力发电机和升压变压器T1的控制器、接触器和环网柜的二次回路不间断供电。
在风电机组塔底配置刀熔开关Q2，作为风机电气回路操作、检修的明显断开点，同时作为风机电气故障的后备保护。
优选的，所述配电变压器T2为690V/400V变压器，配电变压器T2通过配电盘P1向升压变压器负载、风力发电机负载、环网柜负载和UPS电源供电。
在所述环网柜内设置断路器Q1和综合保护装置，在升压变压器T1高压侧线路上设置第一电流互感器CT1，风力发电机定子电流输出线路上设置第二电流互感器CT2，综合保护装置分别与第一电流互感器CT1、第二电流互感器CT和断路器Q1电连接，以升压变压器高压侧电流和风力发电机定子电流为输入信号，控制断路器Q1跳闸，所述综合保护装置能够检测到故障并通过跳开环网柜断路器Q1来实现对风电机组、变流器、升压变压器T1及相关电缆等设备的保护。同时，所述综合保护装置还具备测控功能，综合保护装置通过通讯线连接到升压站监控系统，实现与升压站监控系统实现“三遥”通讯。
优选的，在风力发电机的定子电流输出线路上设置有并网接触器Q3，所述风力发电机的转子电流输出线路上设置有网侧接触器Q4。
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制，本领域技术人员利用上述揭示的技术内容做出些许简单修改、等同变化或修饰，均落在本发明的保护范围内。

Claims (6)

1.一种海上双馈式风电机组及其配套升压设备电气系统，其特征在于，包括风力发电机、升压变压器和环网柜，所述升压变压器低压侧连接风力发电机，高压侧连接环网柜，所述风力发电机与升压变压器之间的线路上并联接入配电变压器，所述配电变压器向风力发电机负载、升压变压器负载、环网柜负载和UPS电源供电，所述UPS电源向风力发电机和升压变压器的控制器、接触器和环网柜的二次回路不间断供电。
2.根据权利要求1所述的一种海上双馈式风电机组及其配套升压设备电气系统，其特征在于，所述风力发电机与升压变压器之间设置刀熔开关，所述刀熔开关安装在风电机组塔底。
3.根据权利要求1所述的一种海上双馈式风电机组及其配套升压设备电气系统，其特征在于，所述环网柜内设置断路器和综合保护装置，在升压变压器高压侧线路上设置第一电流互感器，风力发电机定子电流输出线路上设置第二电流互感器，综合保护装置分别与第一电流互感器、第二电流互感器和断路器电连接，以升压变压器高压侧电流和风力发电机定子电流为输入信号，控制断路器跳闸，所述综合保护装置通过通讯线与升压站监控系统连接。
4.根据权利要求1所述的一种海上双馈式风电机组及其配套升压设备电气系统，其特征在于，所述配电变压器为690V/400V变压器。
5.根据权利要求1所述的一种海上双馈式风电机组及其配套升压设备电气系统，其特征在于，所述配电变压器通过配电盘向升压变压器负载、风力发电机负载、环网柜负载和UPS电源供电。
6.根据权利要求1所述的一种海上双馈式风电机组及其配套升压设备电气系统，其特征在于，所述风力发电机的定子电流输出线路上设置有并网接触器，所述风力发电机的转子电流输出线路上设置有网侧接触器和变频器。
CN202011638334.3A 2020-12-31 2020-12-31 一种海上双馈式风电机组及其配套升压设备电气系统 Pending CN112751360A (zh)

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