SU426198A1 - DEVICE FOR MEASURING THE INPUT CURRENT OF AUTONOMOUS VOLTAGE INVERTER - Google Patents

DEVICE FOR MEASURING THE INPUT CURRENT OF AUTONOMOUS VOLTAGE INVERTER

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Publication number
SU426198A1
SU426198A1 SU1682247A SU1682247A SU426198A1 SU 426198 A1 SU426198 A1 SU 426198A1 SU 1682247 A SU1682247 A SU 1682247A SU 1682247 A SU1682247 A SU 1682247A SU 426198 A1 SU426198 A1 SU 426198A1
Authority
SU
USSR - Soviet Union
Prior art keywords
measuring
current
voltage inverter
input current
autonomous voltage
Prior art date
Application number
SU1682247A
Other languages
Russian (ru)
Original Assignee
И. А. Альтшулер, С. О. Кривицкий , И. И. Эпштейн
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 И. А. Альтшулер, С. О. Кривицкий , И. И. Эпштейн filed Critical И. А. Альтшулер, С. О. Кривицкий , И. И. Эпштейн
Priority to SU1682247A priority Critical patent/SU426198A1/en
Application granted granted Critical
Publication of SU426198A1 publication Critical patent/SU426198A1/en

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Description

1one

Изобретение относитс  к электроизмерительной технике.This invention relates to electrical measuring technology.

Известны устройства измерени  входного тока автономного инвертора напр жени , содержащие два измерительных трансформатора тока, вторичные обмотки которых включены встречно, и шунтированный диодом токоог .раничивающий дроссель, соединенный с входной шиной измерительного трансформатора тока.A device for measuring the input current of an autonomous voltage inverter is known, which contains two measuring current transformers, the secondary windings of which are connected in opposite directions, and a limiting choke connected to the input bus of the measuring current transformer, diode-shorted.

Такие устройства сложны, так как дл  измерени  необходимо использование отдельного источника электропитани  из-за наличи  в измер емом токе посто нной составл ющей.Such devices are complex, since it is necessary to use a separate power supply source for the measurement due to the presence of a constant component in the measured current.

Цель изобретени  - упрощение устройства.The purpose of the invention is to simplify the device.

Это достигаетс  тем, что в предлагаемое устройство введена дополнительна  токова  шина, включенна  встречно с основной токовой шиной измерительного трансформатора тока и соединенна  с анодом диода.This is achieved by introducing an additional current bus into the proposed device, connected in opposite with the main current bus of the current measuring transformer and connected to the diode anode.

На чертеже показана схема устройства, где 1 - автономный инвертор напр жени , 2 - токоограничивающий дроссель, 3 - диод, 4 и 5 - измерительные трансформаторы тока.The drawing shows a device diagram, where 1 is an autonomous voltage inverter, 2 is a current-limiting choke, 3 is a diode, 4 and 5 are measuring current transformers.

Амплитуда тока инвертора не превышает посто нного тока, протекающего через дроссель . Благодар  этому при подключении анода диода к дополнительной токовой шине измерительного трансформатора тока происходит раздельное магнитное измерение составл ющих тока инвертора, а затем электрическое сравнение полученных сигналов. Таким образом осуществл етс  использование в качестве подмагничивающего тока в дополнительной шине посто нной составл ющей непосредственно измер емого тока инвертора.The amplitude of the inverter current does not exceed the direct current flowing through the choke. Due to this, when the anode of the diode is connected to an additional current bus of the measuring current transformer, a separate magnetic measurement of the components of the inverter current takes place, and then an electrical comparison of the received signals. In this way, the dc component of the directly measured current of the inverter is used as the bias current in the additional bus.

Предмет изобретени Subject invention

Устройство дл  измерени  входного тока автономного инвертора напр жени , содерл ащее два измерительных трансформатора тока, вторичные обмотки которых включены встречно , и шунтированный диодо.м гокоограничивающий дроссель, соединенный с входной щиной измерительного трансформатора тока, отличающеес  тем, что, с целью упрощени  устройства, в него введена дополнительна  токова  шина, включенна  встречно с основпой токовой шиной измерительного трансформатора тока и соединенна  с анодом диода.A device for measuring the input current of an autonomous voltage inverter, containing two measuring current transformers, the secondary windings of which are connected in opposite, and a shunt diode m high-limiting choke connected to the input current of the measuring current transformer, characterized in that It has an additional current bus introduced, connected inversely with the main current bus of the measuring current transformer and connected to the diode anode.

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rziziirzizii

SU1682247A 1971-07-12 1971-07-12 DEVICE FOR MEASURING THE INPUT CURRENT OF AUTONOMOUS VOLTAGE INVERTER SU426198A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1682247A SU426198A1 (en) 1971-07-12 1971-07-12 DEVICE FOR MEASURING THE INPUT CURRENT OF AUTONOMOUS VOLTAGE INVERTER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1682247A SU426198A1 (en) 1971-07-12 1971-07-12 DEVICE FOR MEASURING THE INPUT CURRENT OF AUTONOMOUS VOLTAGE INVERTER

Publications (1)

Publication Number Publication Date
SU426198A1 true SU426198A1 (en) 1974-04-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU1682247A SU426198A1 (en) 1971-07-12 1971-07-12 DEVICE FOR MEASURING THE INPUT CURRENT OF AUTONOMOUS VOLTAGE INVERTER

Country Status (1)

Country Link
SU (1) SU426198A1 (en)

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