RU2012100347A - REVERSE REACTIVE SENSOR FOR VARIABLE LOADS TO CONTROL THE STATIC REACTIVE POWER COMPENSATOR - Google Patents
REVERSE REACTIVE SENSOR FOR VARIABLE LOADS TO CONTROL THE STATIC REACTIVE POWER COMPENSATOR Download PDFInfo
- Publication number
- RU2012100347A RU2012100347A RU2012100347/07A RU2012100347A RU2012100347A RU 2012100347 A RU2012100347 A RU 2012100347A RU 2012100347/07 A RU2012100347/07 A RU 2012100347/07A RU 2012100347 A RU2012100347 A RU 2012100347A RU 2012100347 A RU2012100347 A RU 2012100347A
- Authority
- RU
- Russia
- Prior art keywords
- multiplier
- output
- phase
- reactive power
- voltage
- Prior art date
Links
- 230000003068 static effect Effects 0.000 title 1
- 239000003990 capacitor Substances 0.000 claims abstract 2
Classifications
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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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- Control Of Electrical Variables (AREA)
Abstract
1. Датчик реактивной мощности резкопеременной нагрузки, содержащий умножитель сигналов тока данной фазы РПН сети и опорного синусоидального напряжения, каскадно включенные режекторные фильтры, число которых определяется допустимой погрешностью от действия дискретных гармоник выходного сигнала умножителя, а их частоты кратны частоте напряжения сети, подключенные к выходу умножителя, фильтр низкой частоты, подключенный к выходу последнего режекторного фильтра каскада, и фазовый корректор, соединенный с выходом фильтра низкой частоты, отличающийся тем, что дополнительно содержит дифференциатор, к входу которого подключен сигнал тока, а выход подключен к токовому входу умножителя, при этом вектор опорного напряжения умножителя синфазен вектору напряжения данной фазы нагрузки.2. Датчик реактивной мощности резкопеременной нагрузки по п.1, отличающийся тем, что дифференциатор выполнен в виде операционного усилителя DA с отрицательной обратной связью через резистор R, на инвертирующий вход которого токовый сигнал поступает через конденсатор С, а неинвертирующий вход которого подключен к общей шине («нулевой точке»).1. The reactive power sensor of an abruptly variable load, containing a multiplier of current signals of this phase of the on-load tap-changer and the reference sinusoidal voltage, cascade notch filters, the number of which is determined by the permissible error from the action of discrete harmonics of the output signal of the multiplier, and their frequencies are multiples of the frequency of the mains voltage connected to the output a multiplier, a low-pass filter connected to the output of the last notch filter of the cascade, and a phase corrector connected to the output of the low-pass filter, characterized in that it further comprises a differentiator, to the input of which a current signal is connected, and the output is connected to the current input of the multiplier, while the vector of the reference voltage of the multiplier is in phase with the voltage vector of this load phase. 2. The reactive power sensor of an abruptly variable load according to claim 1, characterized in that the differentiator is made in the form of an operational amplifier DA with negative feedback through a resistor R, to the inverting input of which the current signal enters through the capacitor C, and the non-inverting input of which is connected to the common bus (" zero point ").
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2012100347/07A RU2488204C1 (en) | 2012-01-10 | 2012-01-10 | Abruptly variable load reactive power sensor for controlling static reactive power compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2012100347/07A RU2488204C1 (en) | 2012-01-10 | 2012-01-10 | Abruptly variable load reactive power sensor for controlling static reactive power compensator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2012100347A true RU2012100347A (en) | 2013-07-20 |
| RU2488204C1 RU2488204C1 (en) | 2013-07-20 |
Family
ID=48791288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2012100347/07A RU2488204C1 (en) | 2012-01-10 | 2012-01-10 | Abruptly variable load reactive power sensor for controlling static reactive power compensator |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2488204C1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2673335C2 (en) * | 2017-02-20 | 2018-11-26 | федеральное государственное бюджетное образовательное учреждение высшего образования "Самарский государственный технический университет" | Device of the analog sensor of the reactive component of the alternating current |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1064221A2 (en) * | 1982-02-08 | 1983-12-30 | Владимирский политехнический институт | Device for measuring electrical parameters in ac circiuts |
| RU2081494C1 (en) * | 1994-12-05 | 1997-06-10 | Всероссийский электротехнический институт им.В.И.Ленина | Abruptly-variable load reactive-power transducer for controlling reactive-power compensator |
| RU117740U1 (en) * | 2012-01-10 | 2012-06-27 | Закрытое акционерное общество "Совместное предприятие "АО Ансальдо-ВЭИ" | REVERSE REACTIVE SENSOR FOR VARIABLE LOADS TO CONTROL THE STATIC REACTIVE POWER COMPENSATOR |
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2012
- 2012-01-10 RU RU2012100347/07A patent/RU2488204C1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2488204C1 (en) | 2013-07-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20160111 |