CN110574264A - 降低操作过电压的方法 - Google Patents

降低操作过电压的方法 Download PDF

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Publication number
CN110574264A
CN110574264A CN201880027454.4A CN201880027454A CN110574264A CN 110574264 A CN110574264 A CN 110574264A CN 201880027454 A CN201880027454 A CN 201880027454A CN 110574264 A CN110574264 A CN 110574264A
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China
Prior art keywords
energy
overvoltage
circuit
capacitor
transformer
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Pending
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CN201880027454.4A
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English (en)
Inventor
奥列格·瓦列耶维奇·梅尔尼琴科
亚历山大·尤里耶维奇·波特诺伊
谢尔盖·根纳迪耶维奇·什拉姆科
阿列克谢·奥列戈维奇·林科夫
德米特里·安德烈耶维奇·亚戈夫金
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OPEN JOINT STOCK Co RUSSI
Russian Railways JSC
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OPEN JOINT STOCK Co RUSSI
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Publication of CN110574264A publication Critical patent/CN110574264A/zh
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/16—Means for providing current step on switching, e.g. with saturable reactor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/34—Snubber circuits
    • H02M1/346—Passive non-dissipative snubbers
    • 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
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

本发明涉及电气工程，特别是涉及一种电路，该电路用于保护开关装置免受过电压的影响，并且积聚并有益地利用该能量来为另一件电气设备供电。例如，本发明可以用于变流器技术。一种用于保护和有益地利用操作过电压的能量的方法，所述操作过电压在变压器和有源电感负载之间的电路在一件电气设备的操作期间跳闸时产生，该方法包括：通过脉冲变压器电源来存储和转换操作过电压能量，该脉冲变压器电源连接至电路，并且包括：二极管整流器或电桥、连接至二极管整流器或电桥的输出的电容器、连接至电容器的脉冲变压器、电子开关、电子开关电路、连接至变压器并用于向另一件电气设备提供电能的输出整流器。脉冲电源控制电路允许根据操作过电压的持续时间来调节电容器的放电持续时间。

Description

降低操作过电压的方法
技术领域
本发明涉及电气工程，特别是涉及用于保护开关装置免受过电压的影响的电路，积聚并有益地利用该能量来为另一件电气设备供电，并且可以用于变流器设备领域。
背景技术
已知为晶闸管电气设备提供保护以免受操作过电压(switching overvoltage)的影响的方法和实现该方法的装置，所述方法和装置是基于通过阻尼电容器和电阻、氧化锌非线性限幅器、浪涌吸收器、二极管限幅器对过电压能量进行吸收的(Bickford JP等，电力系统暂态计算：由Bazutkin VV翻译自英语，由Obukh A.A.编辑，-M:Energoizdat出版社，1981，第147-158页；Glukh EM，Zelenov VE.半导体变流器的保护–第二版，经修订和增补。-M：Energoizdat出版社，1982，-第152页；E.Habiger，《电磁学》，设备和工厂工程中的安全性基础：KuzhekinI.P.翻译自德语，由Maximov B.K.编辑，-M：Energoatomizdat出版社，1995，第127-137，178-184页；SU851615，30.07.1981(БикфордДж.П.идр.Основытеорииперенапряженийвэлектрическихсетях:Пер.сангл./В.В.Базуткин；Подред.А.А.Обуха.-М；Энергоиздат,1981,с.147-158；ГлухЕ.М.,ЗеленовВ.Е.Защитаполупроводниковыхпреобразователей.-2-еизд.,перераб.идоп.-М:Энергоиздат,1982.-152с；ХабигерЭ.Электромагнитнаясовместимость.Основыееобеспечениявтехнике:Пер.снем./И.П.Кужекин；Под；ред.Б.К.Максимова.-М:Энергоатомиздат.1995,с.127-137,178-184；SU 851615,30.07.1981))。
这些方法和用于实施该方法的装置的缺点在于：不能通过该方法和装置有效地降低操作过电压，并且事实上该操作过电压能量在缓冲器(阻尼)电路中被阻尼而损耗。
已知一种用于保护电力机车的励磁整流器中的基于IGBT的模块免受操作过电压的影响的方法(RU 2565633C1，20.10.2015)。该方法能够通过以下方式来保护基于IGBT的模块免受操作过电压的影响：经由附加的可控电子开关从其集电极中除去大部分的漏感能量，并将该能量馈送到具有共用芯的机车牵引变压器的附加次级绕组中，这是通过交替地导通这些附加的电子开关进行的，其取决于电源系统电压的半个周期，在不迟于受保护的基于IGBT的模块关闭的时间，并且这种关闭会取决于操作过电压的持续时间而发生在一段时间内。该方法的缺点在于，操作过电压能量被输出到电力系统中，这可能引起附加的电压畸变并使牵引变压器更加复杂。
具有逆变流器的操作模式电源是已知的，例如，SU 1707606A1，23.01.1992(原型)中所述。由于功率晶体管基极电流的稳定性，该发明提供了电源的改进的稳定性和可靠性。这样的发明没有被配置为并且没有被用于防止操作过电压。
发明内容
一种用于降低操作过电压并使用其能量为另一件电气设备供电的方法，当这些操作过电压在断开包含负载的电感期间产生时，其特征在于，通过连接至受保护电路的脉冲变压器电源来积聚并转换操作过电压的能量，该脉冲变压器电源包括：二极管整流器或电桥、连接至二极管整流器或电桥的输出端的电容器、连接至电容器的脉冲变压器、电子开关、电子开关控制电路、连接至变压器并被配置为向另一件电气设备提供电能的输出整流器。
附图说明
图1示出了用于积聚并转换操作过电压的能量的装置的示意图。
具体实施方式
本发明的装置是脉冲变压器电源5，其在开关构件3之前连接至电压变压器1(具有泄漏电感2)的次级绕组的输出端，该装置包括：二极管整流器或电桥6、连接至二极管整流器或电桥的输出的电容器7、脉冲变压器8、电子开关9、电子开关控制电路10、输出整流器11。二极管4在开关3断开时提供持续的负载电流。
技术效果是保护开关构件免受操作过电压的影响，并且积聚并转换这种能量来为另一件电气设备供电。

Claims (1)

1.一种用于降低操作过电压并使用所述操作过电压的能量来为另一件电气设备供电的方法，所述操作过电压在断开包含负载的电感时出现，其特征在于，通过脉冲变压器电源来积聚并转换所述操作过电压的能量，所述脉冲变压器电源包括：二极管整流器或电桥；电容器，所述电容器连接至所述二极管整流器或电桥的输出端；脉冲变压器，所述脉冲变压器连接至所述电容器；电子开关；电子开关控制电路；输出整流器，所述输出整流器连接至变压器并用于向另一件电气设备提供电能。
CN201880027454.4A 2017-06-07 2018-06-01 降低操作过电压的方法 Pending CN110574264A (zh)

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RU2017120003 2017-06-07
RU2017120003A RU2658653C1 (ru) 2017-06-07 2017-06-07 Способ снижения коммутационных перенапряжений и использование их энергии для питания другого электрооборудования
PCT/RU2018/000357 WO2018226121A1 (ru) 2017-06-07 2018-06-01 Способ снижения коммутационных перенапряжений

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RU2658653C1 (ru) 2018-06-22
WO2018226121A1 (ru) 2018-12-13
EP3637602A4 (en) 2021-01-20

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Application publication date: 20191213