RU2013152557A - METHOD FOR REGULATING THE POWER OF A FILTER-COMPENSATING INSTALLATION OF THE TRACTION ELECTRICITY SYSTEM OF RAILWAYS - Google Patents

METHOD FOR REGULATING THE POWER OF A FILTER-COMPENSATING INSTALLATION OF THE TRACTION ELECTRICITY SYSTEM OF RAILWAYS Download PDF

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RU2013152557A
RU2013152557A RU2013152557/11A RU2013152557A RU2013152557A RU 2013152557 A RU2013152557 A RU 2013152557A RU 2013152557/11 A RU2013152557/11 A RU 2013152557/11A RU 2013152557 A RU2013152557 A RU 2013152557A RU 2013152557 A RU2013152557 A RU 2013152557A
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pku
tgφ
reactive power
electric network
calculating
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RU2013152557/11A
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Russian (ru)
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RU2567996C2 (en
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Леонид Абрамович Герман
Александра Альбертовна Максимова
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Леонид Абрамович Герман
Александра Альбертовна Максимова
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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
    • 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

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  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

Способ регулирования мощности фильтрокомпенсирующей установки (ФКУ) тяговой подстанции системы тягового электроснабжения 27,5 кВ с понижающим трансформатором 110(220)/27,5 кВ, оборудованным устройством регулирования напряжения, к шинам 27,5 кВ которой подключена ФКУ, осуществляемый путем включения (отключения) ФКУ в зависимости от значения измеряемого фактического коэффициента реактивной мощности нагрузки tg φв часы больших суточных нагрузок электрической сети, и отключения ФКУ в часы малых суточных нагрузок электрической сети для соблюдения требования по фактической генерируемой реактивной мощности: tgφ=0, отличающийся тем, что введено расчетное устройство, включающее блок расчета полного коэффициента гармоник напряжения Кна шинах 110(220) кВ, а также блок расчета коэффициента реактивной мощности нагрузки tgφ и генерируемой реактивной мощности tgφ, которые при включенном ФКУ в часы больших суточных нагрузок электрической сети рассчитывают Ки tgφ, но в предположении отключенного положения ФКУ, и если выполняются условия К≤Ки tg≤tgφ, где Ки tgφ- допустимые значения, то ФКУ отключается, а при отключенном ФКУ в часы малых суточных нагрузок измеряют фактическое значение Ки рассчитывают tgφв предположении включенного состояния ФКУ и, если К≥Ки tg φ=0, то ФКУ включается.A method of regulating the power of a filter compensating installation (FCU) of a traction substation of a traction power supply system of 27.5 kV with a step-down transformer 110 (220) / 27.5 kV, equipped with a voltage control device, to the 27.5 kV buses of which the FCU is connected by switching on (off) ) PKU depending on the value of the measured actual reactive power factor of the load tg φv hours of large daily loads of the electric network, and disconnection of PKU during hours of small daily loads of the electric network to comply requirements for the actual generated reactive power: tgφ = 0, characterized in that a calculating device is introduced that includes a unit for calculating the total harmonic voltage coefficient Kn on the 110 (220) kV buses, as well as a unit for calculating the load reactive power factor tgφ and the generated reactive power tgφ, which when PKU is switched on during the hours of large daily loads of the electric network, Ki tgφ is calculated, but assuming the PKU is off, and if the conditions K≤Ki tg≤tgφ are met, where Ki tgφ are permissible values, then the PKU is turned off And at the disconnected PKU small allowance clock loads measured actual value Ki is calculated assuming the on-state tgφv PKU and if K≥Ki tg φ = 0, is included PKU.

Claims (1)

Способ регулирования мощности фильтрокомпенсирующей установки (ФКУ) тяговой подстанции системы тягового электроснабжения 27,5 кВ с понижающим трансформатором 110(220)/27,5 кВ, оборудованным устройством регулирования напряжения, к шинам 27,5 кВ которой подключена ФКУ, осуществляемый путем включения (отключения) ФКУ в зависимости от значения измеряемого фактического коэффициента реактивной мощности нагрузки tg φфакт в часы больших суточных нагрузок электрической сети, и отключения ФКУ в часы малых суточных нагрузок электрической сети для соблюдения требования по фактической генерируемой реактивной мощности: tgφк.факт=0, отличающийся тем, что введено расчетное устройство, включающее блок расчета полного коэффициента гармоник напряжения КU(n) на шинах 110(220) кВ, а также блок расчета коэффициента реактивной мощности нагрузки tgφ и генерируемой реактивной мощности tgφг, которые при включенном ФКУ в часы больших суточных нагрузок электрической сети рассчитывают КU(n)от и tgφот, но в предположении отключенного положения ФКУ, и если выполняются условия КU(n)от≤КU(n)доп и tgφот≤tgφдоп, где КU(n)доп и tgφдоп - допустимые значения, то ФКУ отключается, а при отключенном ФКУ в часы малых суточных нагрузок измеряют фактическое значение КU(n)факт и рассчитывают tgφг.вкл в предположении включенного состояния ФКУ и, если КU(n)факт≥КU(n)доп и tg φг.вкл=0, то ФКУ включается. A method of regulating the power of a filter compensating installation (FCU) of a traction substation of a traction power supply system of 27.5 kV with a step-down transformer 110 (220) / 27.5 kV, equipped with a voltage control device, to the 27.5 kV buses of which the FCU is connected by switching on (off) ) PKU depending on the value of the measured actual coefficient of reactive load power tg φ fact during hours of large daily loads of the electric network, and disconnection of PKU during hours of small daily loads of the electric network for requirements for the actual generated reactive power: tgφ factor = 0, characterized in that a calculating device is introduced that includes a unit for calculating the total harmonic voltage coefficient K U (n) on 110 (220) kV buses, as well as a unit for calculating reactive power factor load tgφ and generated reactive power tgφ g , which, when PKU is turned on during hours of high daily loads of the electric network, calculate K U (n) from and tgφ from , but assuming the PKU is off, and if conditions K U (n) from ≤К are satisfied U (n) and additional φot ≤tgφ additional tg, r e R U (n) and additional extra tgφ - permissible values, PKU is switched off and disconnected at PKU in small daily load clock measures the actual value of K U (n) fact and expect tgφ g.vkl assuming the on-state of PKU and if To U (n) fact ≥ To U (n) add and tan φ g.on = 0, then the PKU is turned on.
RU2013152557/11A 2013-11-26 2013-11-26 Method for regulating power of compensation filter installation in railroad traction energy supply system RU2567996C2 (en)

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RU2013152557/11A RU2567996C2 (en) 2013-11-26 2013-11-26 Method for regulating power of compensation filter installation in railroad traction energy supply system

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RU2013152557/11A RU2567996C2 (en) 2013-11-26 2013-11-26 Method for regulating power of compensation filter installation in railroad traction energy supply system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110611323A (en) * 2019-09-30 2019-12-24 西南交通大学 Electrified railway in-phase power supply comprehensive compensation device and comprehensive compensation method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2720065C1 (en) * 2019-11-06 2020-04-23 Государственное бюджетное образовательное учреждение высшего образования Нижегородский государственный инженерно-экономический университет (НГИЭУ) Method of voltage control at substation at one-sided supply of alternating current network with unregulated installation of reactive power compensation
RU2762932C1 (en) * 2021-06-25 2021-12-24 Федеральное государственное автономное образовательное учреждение высшего образования "Российский университет транспорта" (ФГАОУ ВО РУТ (МИИТ), РУТ (МИИТ) Method for regulating the reactive power of the traction network

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Publication number Priority date Publication date Assignee Title
SU744841A1 (en) * 1977-09-26 1980-06-30 Предприятие П/Я Р-6517 Compensating device control device
CN201506271U (en) * 2009-09-14 2010-06-16 广州智光电气股份有限公司 Traction in-phase power supply unit of electric locomotive
RU2499341C1 (en) * 2012-03-20 2013-11-20 Леонид Абрамович Герман Filtration and compensation device of traction ac energy system
RU138722U1 (en) * 2013-10-01 2014-03-20 Леонид Абрамович Герман FILTER-COMPENSATING INSTALLATION OF TRACING ELECTRICITY SUPPLY OF AC

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110611323A (en) * 2019-09-30 2019-12-24 西南交通大学 Electrified railway in-phase power supply comprehensive compensation device and comprehensive compensation method thereof
CN110611323B (en) * 2019-09-30 2023-09-01 西南交通大学 Electrified railway in-phase power supply comprehensive compensation device and comprehensive compensation method thereof

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Effective date: 20160119