SU608225A1 - Device for overvoltage protection of gas-purification electric filters' supply rectifiers - Google Patents

Device for overvoltage protection of gas-purification electric filters' supply rectifiers

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Publication number
SU608225A1
SU608225A1 SU762436343A SU2436343A SU608225A1 SU 608225 A1 SU608225 A1 SU 608225A1 SU 762436343 A SU762436343 A SU 762436343A SU 2436343 A SU2436343 A SU 2436343A SU 608225 A1 SU608225 A1 SU 608225A1
Authority
SU
USSR - Soviet Union
Prior art keywords
filter
current
voltage
aliev
breakdown
Prior art date
Application number
SU762436343A
Other languages
Russian (ru)
Inventor
Игорь Владимирович Черняев
Георгий Семенович Ханган
Нина Николаевна Попова
Original Assignee
Ленинградский Ордена Ленина Политехнический Институт Имени М.И.Калинина
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 Ленинградский Ордена Ленина Политехнический Институт Имени М.И.Калинина filed Critical Ленинградский Ордена Ленина Политехнический Институт Имени М.И.Калинина
Priority to SU762436343A priority Critical patent/SU608225A1/en
Application granted granted Critical
Publication of SU608225A1 publication Critical patent/SU608225A1/en

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Claims (2)

показана также емкость фильтра 7, индук тивность (|«пьтра 8 и кпюч 9, иммитирующ пробой фипьтра. После каждого пробо  (замыкани  кпюча 9) по вл ющеес  колебйтепьное напр жение на емкости фипьтра 7 вызьгоает протекание через вентили импульса пр мого тока 3, представл ющего собой сумму унипол рного экспоненциально затухакмдего импульса JQ и косинусоидального тока Зл« При этом знак суммарного тока не измен етс  до затухани  колебаний в фильтре. Так как пр мой ток не измен ет ,своего знака квентип м не прикладываютс  импульсы обратного напр жени  и отсутствует обратный ток, благодар  чему не снижаетс  электрическа  прочность вентилей в обратном направлении. Формула изобретени  Устройство зашиты выпр мителей электрофильтров газоочистки от перенапр жений, содержащее магнитный усилитель, включенный на стороне переменного тока, и ограничительный элемент, включенный на стороне посто нного тока выпр мител , о тличающеес  тем, что, с целью повышени  эффективности защиты, ограничительный элемент выполнен в виде высоковольтного индуктивного реактора с выравнивающими электростатическими экранами. Источники авформации, прин тые во внимание при экспертизе;, 1.Алиев Г. М. А, н Гоник А. Е. Электрооборудование и режимы питани  электрофильтров, М., Энерги , 1971, с. 127. Also shown is the filter capacitance 7, the inductance (| пьptra 8 and capacitance 9, imitating the breakdown of the filter. After each breakdown (closing circuit of the battery 9), the apparent voltage across the capacitor of the filter 7 causes the flow of the direct current pulse 3 to flow through, the sum of the unipolar exponentially damped JQ pulse and the cosinusoidal current Zl "At the same time, the sign of the total current does not change until the oscillation damps in the filter. Since the direct current does not change, reverse voltage is not applied to the sign of quantifies There is no reverse current, due to which the electrical strength of the valves in the opposite direction does not decrease.Application of the Invention The device is protected by overvoltage gas cleaning electrostatic precipitators, containing a magnetic amplifier connected to the AC side, and a limiting element connected to the DC side The purpose of this is that, in order to increase the effectiveness of protection, the restrictive element is designed as a high-voltage inductive reactor with leveling elec ostaticheskimi screens. Sources of information taken into account during the examination ;, 1.Aliev, G.M. A, A. Gonik, E.E. Electrical equipment and power supply modes for electric precipitators, M., Energie, 1971, p. 127. 2.Алиев Г. М. А. и Гоннк А. Е. Электрооборудование и режимы питани  электрофильтров, М., Энерги , 197-1, с. 154.2.Aliev G.M.A. and Gonnk A.E. Electrical equipment and power supply modes for electric precipitators, M., Energii, 197-1, p. 154.
SU762436343A 1976-12-30 1976-12-30 Device for overvoltage protection of gas-purification electric filters' supply rectifiers SU608225A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU762436343A SU608225A1 (en) 1976-12-30 1976-12-30 Device for overvoltage protection of gas-purification electric filters' supply rectifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762436343A SU608225A1 (en) 1976-12-30 1976-12-30 Device for overvoltage protection of gas-purification electric filters' supply rectifiers

Publications (1)

Publication Number Publication Date
SU608225A1 true SU608225A1 (en) 1978-05-25

Family

ID=20689154

Family Applications (1)

Application Number Title Priority Date Filing Date
SU762436343A SU608225A1 (en) 1976-12-30 1976-12-30 Device for overvoltage protection of gas-purification electric filters' supply rectifiers

Country Status (1)

Country Link
SU (1) SU608225A1 (en)

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