SU674698A3 - Device for damping oscillations in secondary circuits of capacity voltage transducer - Google Patents
Device for damping oscillations in secondary circuits of capacity voltage transducerInfo
- Publication number
- SU674698A3 SU674698A3 SU742084420A SU2084420A SU674698A3 SU 674698 A3 SU674698 A3 SU 674698A3 SU 742084420 A SU742084420 A SU 742084420A SU 2084420 A SU2084420 A SU 2084420A SU 674698 A3 SU674698 A3 SU 674698A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- control unit
- damping
- secondary winding
- intermediate transformer
- resistors
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
- G01R15/06—Voltage dividers having reactive components, e.g. capacitive transformer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/42—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils
- H01F27/422—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers
- H01F27/425—Circuits specially adapted for the purpose of modifying, or compensating for, electric characteristics of transformers, reactors, or choke coils for instrument transformers for voltage transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/05—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for capacitive voltage transformers, e.g. against resonant conditions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Dc-Dc Converters (AREA)
- Ac-Ac Conversion (AREA)
- Control Of Electrical Variables (AREA)
Description
мотке, один вывод его вторичной обмотки непосредственно, а другой чеёэ ли од и рё 3 иtrTop по дк лйч ettw к о дНому И тому же выводу конденсатора.the coil, one output of its secondary winding directly, and the other if it is one and re 3 and trTop according to the current ettw to the same and the same output of the capacitor.
Кроме того, управл ющий блок может быть вьтолнен в виде замедл ющего звена, вход которого подключен параллельно одному из демпфирующих резисторов, а выходы включены в цепи управлени переключателей каждого из демпфирующих резисторов.In addition, the control unit can be implemented as a decelerating unit, the input of which is connected in parallel to one of the damping resistors, and the outputs are included in the control circuits of the switches of each of the damping resistors.
Один из демпфирующих резисторов может быть выполнен в виде параллельного колебательного LC-контура, последовательно с которым включен резистор. .One of the damping resistors can be made in the form of a parallel oscillating LC circuit, in series with which a resistor is connected. .
На фиг. 1-3 даны различные варианты выполнени описываемого устройства .FIG. 1-3, various embodiments of the described device are given.
Устройство (см. фиг. 1) состоит из емкостного делител 1, 2 основной дроссельной катушки 3, промежуточного трансформатора 4, демпфирующего сопротивлени нагрузки 5, которое подключаетс при помощи переключаю- щего элемента 6, предпочтительно триака , путем оценки падени напр жени U-y на вспомогательной индуктивности 7, включенной последовательно с емкостным делителем 1,2.The device (see Fig. 1) consists of a capacitive divider 1, 2 of the main choke coil 3, an intermediate transformer 4, damping load 5, which is connected using a switching element 6, preferably a triac, by estimating the voltage drop Uy on the auxiliary inductance 7 connected in series with capacitive divider 1,2.
Устройство (см. фиг. 2) содержит емкостной делитель 1, 2 напр жени , основную дроссельную катушку 3, промежуточный трансформатор 4 и три триака 8-10, которые в1сЛючаюТКа:жаУК) ступень демпфирующего сопрбтййЯёНи нагрузки. Две первые ступени 11 и 12 демпфирующего сопротивлени нагрузки 5 вл ютс чисто омическими, а последн ступень представл ет собой параллельный колебательный контур 13, 14, последовательно с которым включено омическое сопротивление 15. Замедл ющее звено 16 выдает известнь1м способом команду на ступенчатое отключение трех ступеней демпфирующего сопротивлени нагрузки. Источником питани дл замедл ющего звена 16 служит падение напр жени на резисторе 11.;The device (see Fig. 2) contains a capacitive voltage divider 1, 2, the main choke coil 3, an intermediate transformer 4 and three triacs 8-10, which in 1CONTUCH: MUUK) stage damping load-matching. The first two stages 11 and 12 of the damping load resistance 5 are purely ohmic, and the last stage is a parallel oscillating circuit 13, 14, in series with which the ohmic resistance 15 is turned on. Slow link 16 issues a command of the three stages of the damping by the known method load resistance. The power source for the slow link 16 is the voltage drop across the resistor 11 .;
На фиг. 3 изображена схема предлагаемо о устройства с запоминающим конденсатором 17 дл первойПолуволны вторичного напр жени Uj-. СледуйЯца полуволна вызывает падение наТ1р1 )(Вни ;на омическом сопротивле- i НИИ 18. Разность напр жений и -7--г8 между напр жением на конденса,торе 17 и мгновеннЁам значением напр жени на резисторе 18 используетс как пусковой сигнал дл подключени демпфирующего сопротивлени нагрузки. Разр д запоминающего конденсатора 17 осуществл етс при помощи тиристора 19.FIG. Figure 3 shows the circuit diagram of a device with a storage capacitor 17 for the first half-wave of the secondary voltage Uj-. The next half-wave causes a drop in T1p1) (Vni; on the ohmic resistance i SRI 18. The voltage difference and -7 - r8 between the voltage on the condensation, the torus 17 and the instantaneous value of the voltage on the resistor 18 is used as a trigger signal to connect the damping resistance load. The storage capacitor 17 is discharged using a thyristor 19.
Изобретение может примен тьс вс всех емкостных преобразовател х напр жени независимо от вида емкостных делителей или высоковольтного конденсатора. В качестве делител напр жени или высоковольтного конденсатора могут, например, использоватьс конденсаторы св зи, кабели, проходные конденсаторы, преобразователи тока пины и т.д.The invention can be applied to all all capacitive voltage converters regardless of the type of capacitive dividers or high voltage capacitor. As a voltage divider or high voltage capacitor, for example, communication capacitors, cables, pass capacitors, current transformers, pins, etc. can be used.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU742084420A SU674698A3 (en) | 1973-03-06 | 1974-12-17 | Device for damping oscillations in secondary circuits of capacity voltage transducer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1672674A CH599669A5 (en) | 1973-03-06 | 1973-03-06 | Damping circuit for capacitive voltage transformers |
SU742084420A SU674698A3 (en) | 1973-03-06 | 1974-12-17 | Device for damping oscillations in secondary circuits of capacity voltage transducer |
Publications (1)
Publication Number | Publication Date |
---|---|
SU674698A3 true SU674698A3 (en) | 1979-07-15 |
Family
ID=4419710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU742084420A SU674698A3 (en) | 1973-03-06 | 1974-12-17 | Device for damping oscillations in secondary circuits of capacity voltage transducer |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH599669A5 (en) |
SU (1) | SU674698A3 (en) |
-
1973
- 1973-03-06 CH CH1672674A patent/CH599669A5/en not_active IP Right Cessation
-
1974
- 1974-12-17 SU SU742084420A patent/SU674698A3/en active
Also Published As
Publication number | Publication date |
---|---|
CH599669A5 (en) | 1978-05-31 |
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