CN102185334A - 多台大马力高速全自动一体化并联及与市电并网系统及其供电方法 - Google Patents

多台大马力高速全自动一体化并联及与市电并网系统及其供电方法 Download PDF

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CN102185334A
CN102185334A CN2011101048432A CN201110104843A CN102185334A CN 102185334 A CN102185334 A CN 102185334A CN 2011101048432 A CN2011101048432 A CN 2011101048432A CN 201110104843 A CN201110104843 A CN 201110104843A CN 102185334 A CN102185334 A CN 102185334A
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李群意
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GUANGDONG HONNY POWER TECHNOLOGY Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/12Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems
    • Y04S20/248UPS systems or standby or emergency generators

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Abstract

本发明公开一种多台大马力高速全自动一体化并联及与市电并网系统及其供电方法,包括有大功率柴油发电机组、机组并网柜、市电进线柜、机组控制器、电源管理系统、DCS监控系统、高温尾气余热利用系统及负载输出柜;本发明通过前述各功能模块之间的配合,有效实现了输电(卖电)、错峰、减峰、市电停电时的用电;相比传统技术中广泛分散应用的柴油发电设备而言,一方面,前述整个过程中具有操作简单、完全实现无人操作并可远程控制和诊断的优势;另一方面,整个系统可以根据负载变化来按需输出电能,其有效控制了不必要的浪费,无形中降低了成本。另外,前述大功率柴油发电机组所产生的噪音低,其对燃料的品质要求低,且燃料消耗率低、排放低。

Description

多台大马力高速全自动一体化并联及与市电并网系统及其供电方法
技术领域
本发明涉及电力系统领域技术,尤其是指一种适用于新型工业区小型电站的多台大马力高速全自动一体化并联及与市电并网系统及其供电方法。
背景技术
目前,由于特殊天气破坏电力传送系统、人为弄断电线缆,或是电网的过度需求造成电力的限量供应等,人们的生活常会被停电打扰。市场上广泛应用到柴油发电设备以用于市电故障或停电时维持正常供电,该柴油发电设备的应用已由工厂、市场等逐步应用到家庭。
然而,由于现有柴油发电设备多为分散应用,其存在如下缺点:
一般为人工操作,其操作较复杂,对整个供电过程没有及时合理的控制,其仅实现了较粗糙的供电功能;而分散应用的柴油发电设备,也不便于管理,其对尾气的排放、余热的利用等均很难有合理的处理,这样,无数个分散应用的柴油发电设备的应用,使得污染及能量的浪费也由小变大,其影响实则极其严重。
藉此,急需研究出新的技术方案以解决上述不足。
发明内容
有鉴于此,本发明针对现有技术存在之缺失,其主要目的是提供一种多台大马力高速全自动一体化并联及与市电并网系统及其供电方法,其操作简单,完全实现无人操作,并可远程控制和诊断,且其大大提高了能源的利用率。
为实现上述目的,本发明采用如下之技术方案:
一种多台大马力高速全自动一体化并联及与市电并网系统,包括有大功率柴油发电机组、机组并网柜、市电进线柜、机组控制器、电源管理系统、DCS监控系统、高温尾气余热利用系统及负载输出柜;
其中,该高温尾气余热利用系统连接于前述大功率柴油发电机组,以便发电时对余热进行很好地利用;该大功率柴油发电机组为二至十六台,其均连接于机组并网柜,该机组并网柜连接于机组控制器;前述市电进线柜与机组控制器分别连接于电源管理系统,该电源管理系统连接于负载输出柜以输出电力;
该DCS监控系统分别连接于前述高温尾气余热利用系统、负载输出柜、市电进线柜及机组控制器,以实现远程控制和诊断,完全实现无人操作。
一种多台大马力高速全自动一体化并联及与市电并网系统的供电方法,利用DCS监控系统全程监控市电进线柜及负载输出柜的工作情况,并及时作出相应的处理;
当一个时段电力不足时,DCS监控系统自动启动大功率柴油发电机组发电,投入的大功率柴油发电机组数量由DCS监控系统按照功率设定自动投切;
当某个时段是用电高峰需要启动大功率柴油发电机组发电以错开用电高峰时,该DCS监控系统启动部分大功率柴油发电机组发电供电于一部分负载用,另一部分负载则由用市电进线柜供电;
当市电检修或者意外停电时,DCS监控系统自动启动大功率柴油发电机组供电。
本发明采用上述技术方案后,其有益效果在于:
一、通过前述各功能模块之间的配合,有效实现了输电(卖电)、错峰、减峰、市电停电时的用电;当一个时段电力不足时系统自动启动发电机组向电网供电(卖电),投入的大功率柴油发电机组数量由系统按照功率设定自动投切;当某个时段是用电高峰需要启动大功率柴油发电机组发电以错开用电高峰时,可以实现一部分负载用大功率柴油发电机组发电,另一部分用市电;而当市电检修或者意外停电时,系统自动启动大功率柴油发电机组供电。相比传统技术中广泛分散应用的柴油发电设备而言,一方面,前述整个过程中具有操作简单、完全实现无人操作并可远程控制和诊断的优势;另一方面,整个系统可以根据负载变化来按需输出电能,其有效控制了不必要的浪费,无形中降低了成本。
二、前述大功率柴油发电机组对燃料的品质要求低,且燃料消耗率低、排放低,以及,该大功率柴油发电机组所产生的噪音也有相比传统技术中的柴油发电设备有所降低。
三、前述高温余热利用系统的设置,使得前述大功率柴油发电机组在发电的时候,其余热得到了有效利用,避免了能量的浪费,减少了对环境可能造成的污染。
为更清楚地阐述本发明的结构特征和功效,下面结合附图与具体实施例来对本发明进行详细说明。
附图说明
图1为本发明较佳实施例的原理框图。
附图标识说明:
10、大功率柴油发电机组         20、机组并网柜
30、市电进线柜                 40、机组控制器
50、电源管理系统               60、DCS监控系统
70、高温尾气余热利用系统       80、负载输出柜。
具体实施方式
请参见图1所示,其显示出了本发明之较佳实施例的具体结构,其主要用在新型工业区的自备发电站,来实现输电(卖电)、错峰、减峰、市电停电时的用电,包括有大功率柴油发电机组10(3000KW以上,其额定电压为400V,额定频率是50HZ)、机组并网柜20、市电进线柜30、机组控制器40、电源管理系统50、DCS监控系统60、高温尾气余热利用系统70及负载输出柜80;
其中,该高温尾气余热利用系统70连接于前述大功率柴油发电机组10,以便发电时对余热进行很好地利用;该大功率柴油发电机组10为二至十六台,其均连接于机组并网柜20,该机组并网柜20连接于机组控制器40;前述市电进线柜30与机组控制器40分别连接于电源管理系统,该电源管理系统50连接于负载输出柜80以输出电力;
该DCS监控系统60分别连接于前述高温尾气余热利用系统70、负载输出柜80、市电进线柜30及机组控制器40,以实现远程控制和诊断,完全实现无人操作。
上述多台大马力高速全自动一体化并联及与市电并网系统及其供电方法,系通过机组并网柜20使每台大功率柴油发电机组10并联运行后再和市电进线柜30并网,其工作模式为:
(1)当一个时段电力不足时系统自动启动大功率柴油发电机组10向电网供电(卖电),投入的大功率柴油发电机组10数量由系统按照功率设定自动投切;
(2)当某个时段是用电高峰需要启动大功率柴油发电机组10发电以错开用电高峰时,可以实现一部分负载用大功率柴油发电机组10发电,另一部分用市电进线柜30供电;
(3)当市电检修或者意外停电时,系统自动启动大功率柴油发电机组10供电。
本发明的设计重点在于,主要系通过前述各功能模块之间的配合,有效实现了输电(卖电)、错峰、减峰、市电停电时的用电;当一个时段电力不足时系统自动启动发电机组向电网供电(卖电),投入的大功率柴油发电机组数量由系统按照功率设定自动投切;当某个时段是用电高峰需要启动大功率柴油发电机组发电以错开用电高峰时,可以实现一部分负载用大功率柴油发电机组发电,另一部分用市电;而当市电检修或者意外停电时,系统自动启动大功率柴油发电机组供电;相比传统技术中广泛分散应用的柴油发电设备而言,一方面,前述整个过程中具有操作简单、完全实现无人操作并可远程控制和诊断的优势;另一方面,整个系统可以根据负载变化来按需输出电能,其有效控制了不必要的浪费,无形中降低了成本。
以上所述,仅是本发明的较佳实施例而已,并非对本发明的技术范围作任何限制,故凡是依据本发明的技术实质对以上实施例所作的任何细微修改、等同变化与修饰,均仍属于本发明技术方案的范围内。

Claims (2)

1.一种多台大马力高速全自动一体化并联及与市电并网系统,其特征在于:包括有大功率柴油发电机组、机组并网柜、市电进线柜、机组控制器、电源管理系统、DCS监控系统、高温尾气余热利用系统及负载输出柜;
其中,该高温尾气余热利用系统连接于前述大功率柴油发电机组,以便发电时对余热进行很好地利用;该大功率柴油发电机组为二至十六台,其均连接于机组并网柜,该机组并网柜连接于机组控制器;前述市电进线柜与机组控制器分别连接于电源管理系统,该电源管理系统连接于负载输出柜以输出电力;
该DCS监控系统分别连接于前述高温尾气余热利用系统、负载输出柜、市电进线柜及机组控制器,以实现远程控制和诊断,完全实现无人操作。
2.一种多台大马力高速全自动一体化并联及与市电并网系统的供电方法,其特征在于:利用DCS监控系统全程监控市电进线柜及负载输出柜的工作情况,并及时作出相应的处理;
当一个时段电力不足时,DCS监控系统自动启动大功率柴油发电机组发电,投入的大功率柴油发电机组数量由DCS监控系统按照功率设定自动投切;
当某个时段是用电高峰需要启动大功率柴油发电机组发电以错开用电高峰时,该DCS监控系统启动部分大功率柴油发电机组发电供电于一部分负载用,另一部分负载则由用市电进线柜供电;
当市电检修或者意外停电时,DCS监控系统自动启动大功率柴油发电机组供电。
CN2011101048432A 2011-04-26 2011-04-26 多台大马力发电机组并联及与市电并网系统 Expired - Fee Related CN102185334B (zh)

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Cited By (5)

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CN103982256A (zh) * 2013-12-31 2014-08-13 湖南齐力达电气科技有限公司 一种并网型低温余热发电系统的控制装置与方法
CN104348183A (zh) * 2013-08-05 2015-02-11 广东西电动力科技股份有限公司 一种多台大功率高压柴油发电机组并联运行的供电系统
CN108614414A (zh) * 2018-06-07 2018-10-02 江苏道康发电机组有限公司 大型数据中心发电机组动态冗余控制系统
CN110797909A (zh) * 2019-09-20 2020-02-14 河源旗滨硅业有限公司 余热发电孤岛运行控制方法及系统
US10635066B2 (en) 2016-12-19 2020-04-28 Kohler Co. Generator system architecture

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