SU609168A1 - Frequency converter protection method - Google Patents

Frequency converter protection method

Info

Publication number
SU609168A1
SU609168A1 SU762407164A SU2407164A SU609168A1 SU 609168 A1 SU609168 A1 SU 609168A1 SU 762407164 A SU762407164 A SU 762407164A SU 2407164 A SU2407164 A SU 2407164A SU 609168 A1 SU609168 A1 SU 609168A1
Authority
SU
USSR - Soviet Union
Prior art keywords
frequency converter
protection method
converter protection
choke
thyristor
Prior art date
Application number
SU762407164A
Other languages
Russian (ru)
Inventor
Вадим Андреевич Минеев
Курал Сеитович Камалов
Алексей Филиппович Романенко
Original Assignee
Казахский Химико-Технологический Институт
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 Казахский Химико-Технологический Институт filed Critical Казахский Химико-Технологический Институт
Priority to SU762407164A priority Critical patent/SU609168A1/en
Application granted granted Critical
Publication of SU609168A1 publication Critical patent/SU609168A1/en

Links

Description

напр жени  на фильтровом дросселе. Под действием ЭДС самоиндукции через дроссель от выпр мител  продолжает протекать ток, зар жающий фильтровой конденсатор 9. Когда напр жение на этом конденсаторе превысит выходное напр жение выпр мител  на величину, равную порогу отпирани  стабилитрона 17, по вл етс  ток в цепи управлени  тиристора 13, и он открываетс , предотвраща  дальнейший зар д конденсатора 9. При коротком замыкании выпр мител  через вентили 4, 7 или 6, 5 ток короткого замыкани  ограничиваетс  дросселем фильтра 8, пока не закроютс  вентили выпр мител .voltage across the filter choke. Under the action of self-induction EMF, a current flowing through the filter capacitor 9 continues to flow through the inductor from the rectifier. When the voltage across this capacitor exceeds the output voltage of the rectifier by an amount equal to the unlocking threshold of the Zener diode 17, and it opens, preventing further charging of the capacitor 9. In the event of a short circuit of the rectifier through the valves 4, 7 or 6, 5, the short circuit current is limited by the filter choke 8 until the valves of the rectifier are closed.

Claims (1)

Формула изобретени Invention Formula Устройство защиты преобразовател  частоты , выполненного на инверторе с дросселемProtection device of the frequency converter, made on the inverter with a choke в цепи питани  и выходным трансформаюром , содержащее тиристор, включенный параллельно дросселю и встречно источнику питани , отличающеес  тем, что, с целью повышени  надежности защиты, анод тиристора соединен с управл ющим электродом через последовательно включенные стабилитрон , диод, резистор и дополнительно введенную вторичную обмотку выходного трансформатора .in the supply circuit and output transformer containing a thyristor connected in parallel with the choke and opposite to the power supply, characterized in that, in order to increase the reliability of protection, the thyristor anode is connected to the control electrode through a series-connected zener diode, diode, resistor, and additionally introduced secondary output winding transformer.
SU762407164A 1976-09-27 1976-09-27 Frequency converter protection method SU609168A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU762407164A SU609168A1 (en) 1976-09-27 1976-09-27 Frequency converter protection method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762407164A SU609168A1 (en) 1976-09-27 1976-09-27 Frequency converter protection method

Publications (1)

Publication Number Publication Date
SU609168A1 true SU609168A1 (en) 1978-05-30

Family

ID=20677978

Family Applications (1)

Application Number Title Priority Date Filing Date
SU762407164A SU609168A1 (en) 1976-09-27 1976-09-27 Frequency converter protection method

Country Status (1)

Country Link
SU (1) SU609168A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104167710B (en) * 2014-08-07 2017-11-10 石狮市酷瑞电气有限责任公司 A kind of short-circuit protection circuit of frequency changer direct current bus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104167710B (en) * 2014-08-07 2017-11-10 石狮市酷瑞电气有限责任公司 A kind of short-circuit protection circuit of frequency changer direct current bus

Similar Documents

Publication Publication Date Title
ATE11983T1 (en) CIRCUIT ARRANGEMENT FOR CHARGING A BATTERY.
SU609168A1 (en) Frequency converter protection method
SU1065997A2 (en) D.c. voltage convereter
SU1137981A2 (en) Self-exciting voltage inverter
SU1443138A1 (en) Device for charging storage capacitor
SU760334A1 (en) Pulsed stabilized dc voltage source
SU868984A1 (en) Relaxation generator
SU904158A2 (en) Semi-bridge inverter
SU644007A1 (en) Inverter protection device
RU1833959C (en) Single-cycle converter of dc voltage
SU1105877A1 (en) Device for supplying d.c.voltage
SU400936A1 (en) DEVICE FOR CHARGING THE BATTERY BATTERY
SU881930A1 (en) Converter protection device
SU535688A1 (en) Constant voltage converter
SU516158A1 (en) Thyristor control device
SU369662A1 (en) CONVERTER OF SINUSOIDAL VOLTAGE TO PULSE VARIABLE STABILIZED
SU634437A1 (en) Inverter
SU1394368A1 (en) Voltage regulator controller
SU544077A1 (en) Voltage regulating device
SU1686654A1 (en) Constant voltage-to-constant voltage one-stage converter
SU542294A1 (en) Battery Charger
SU680120A1 (en) Stabilized converter
SU928555A1 (en) Pulse shaper
SU758383A1 (en) Device for charging storage battery with different-polar pulse current
SU1372528A1 (en) Single-cycle d.c. voltage converter