CN104052068A - Output circuit of hybrid reactive power generator - Google Patents
Output circuit of hybrid reactive power generator Download PDFInfo
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- CN104052068A CN104052068A CN201410240628.9A CN201410240628A CN104052068A CN 104052068 A CN104052068 A CN 104052068A CN 201410240628 A CN201410240628 A CN 201410240628A CN 104052068 A CN104052068 A CN 104052068A
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- operational amplifier
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- resistance
- resistor
- potential regulator
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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
Abstract
An output circuit of a hybrid reactive power generator comprises an operational amplifier U1A, an operational amplifier U1B and an operational amplifier U1C. A third pin of the operational amplifier U1A is grounded through a resistor R2, a second pin of the operational amplifier U1A is connected with a resistor R1 and a resistor R3 in parallel, and a first pin of the operational amplifier U1A is connected to a first pin of the operational amplifier U1B through a resistor R5 and a resistor R6. A second pin of the operational amplifier U1B is connected to a circuit formed after a resistor R7 and a resistor R8 are connected in series, one end of the resistor R8 is divided into two paths, one path is connected to a potential regulator P2 through a resistor R9, and the other path is connected to a potential regulator P1. One end of the potential regulator P1 is connected to a third pin of the operational amplifier U1C, the operational amplifier U1C is used for voltage output, and the ninth resistor R9 and the second potential regulator P2 are used for current output. The output circuit is simple in structure and reasonable in design, voltage and current dual output is adopted in output signals, and the output circuit is suitable for various high-voltage control circuit interfaces.
Description
Technical field
The present invention relates to technical field of electricity, be specifically related to a kind of reactive power generator output circuit that mixes.
Background technology
At present, compensation and the improvement of reactive power impact, voltage fluctuation, voltage flicker and the high order harmonic component producing in domestic procedure for steel rolling in metallurgical industry and electric-arc furnace steelmaking production process, all adopt traditional static reactive power compensator.This kind of device is due to due to its control rate, undesirable for the regulation effect of voltage flicker.Exist its power loss larger, the bad deficiency that waits of electric current-voltage characteristic simultaneously.
Control device shortage and the level of domestic electrical network are lower, be arranged on the overwhelming majority in electrical network and be to provide that quiescent voltage regulates and the electric capacity of compensating reactive power and load tap changer adjusting, it is the key factor of restriction electric power transfer, also be the potential risk that power system collapse possible occur, if: the intrinsic time constant of traditional controllable device is all at hundred Milliseconds, can not to time compole short transient process make effective reflection and regulate continuously; The target of traditional control system design is part or short-term, along with the expansion of system, can not make overall correct judgement to variation and complicated control object, due to the expansion of electric power system, increase and had an accident and possibility that misoperation, mistake are processed, caused the consequence of fault just more serious.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of circuit to form, stable mixing reactive power generator output circuit.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of reactive power generator output circuit that mixes, comprise the first operational amplifier U1A, the second operational amplifier U1B and comprise the 3rd operational amplifier U1C, the 3rd pin of described the first operational amplifier U1A is through the second resistance R 2 ground connection, on the 2nd pin of the first operational amplifier U1A, be parallel with the first resistance R 1 and the 3rd resistance R 3, described the 3rd resistance R 3 one end ground connection, 1 pin of described the first operational amplifier U1A is connected on the 1st pin of the second operational amplifier U1B through the 5th resistance R 5 and the 6th resistance R 6, the 2nd pin of described the second operational amplifier U1B is connected on the circuit after being connected by the 7th resistance R 7 and the 8th resistance R 8, described the 7th resistance R 7 one end ground connection, described the 8th resistance R 8 one end are divided into two-way, one tunnel the 9th resistance R 9 is connected to the second potential regulator P2, another road is connected to the first potential regulator P1, the 3rd pin of described the second operational amplifier U1B is connected with the first potential regulator P1, described first potential regulator P1 one end is connected to the 3rd pin of the 3rd operational amplifier U1C, the 1st pin and the second pin of described the 3rd operational amplifier U1C are connected in parallel, the positive terminal of described the 3rd operational amplifier U1C is connected with the 3rd capacitor C 3, the negative pole of the 3rd operational amplifier U1C is connected with the second capacitor C 2, carry out Voltage-output by the 3rd operational amplifier U1C, carry out electric current output by the 9th resistance R 9 and the second potential regulator P2.
Between the 1st pin of described the first operational amplifier U1A and the 3rd pin, be parallel with the 4th resistance R 4.
Between described the 5th resistance R 5 and the 6th resistance R 6, be parallel with the first capacitor C 1, one end ground connection of described the first capacitor C 1.
The invention has the beneficial effects as follows: the present invention is simple in structure, reasonable in design, output signal is voltage and current dual output, is applicable to various high voltage control circuit interfaces.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 1, a kind of reactive power generator output circuit that mixes, comprise the first operational amplifier U1A, the second operational amplifier U1B and comprise the 3rd operational amplifier U1C, the 3rd pin of the first operational amplifier U1A is through the second resistance R 2 ground connection, on the 2nd pin of the first operational amplifier U1A, be parallel with the first resistance R 1 and the 3rd resistance R 3, the 3rd resistance R 3 one end ground connection, 1 pin of the first operational amplifier U1A is connected on the 1st pin of the second operational amplifier U1B through the 5th resistance R 5 and the 6th resistance R 6, the 2nd pin of the second operational amplifier U1B is connected on the circuit after being connected by the 7th resistance R 7 and the 8th resistance R 8, the 7th resistance R 7 one end ground connection, the 8th resistance R 8 one end are divided into two-way, one tunnel the 9th resistance R 9 is connected to the second potential regulator P2, another road is connected to the first potential regulator P1, the 3rd pin of the second operational amplifier U1B is connected with the first potential regulator P1, first potential regulator P1 one end is connected to the 3rd pin of the 3rd operational amplifier U1C, the 1st pin and the second pin of the 3rd operational amplifier U1C are connected in parallel, the positive terminal of the 3rd operational amplifier U1C is connected with the 3rd capacitor C 3, the negative pole of the 3rd operational amplifier U1C is connected with the second capacitor C 2, carry out Voltage-output by the 3rd operational amplifier U1C, carry out electric current output by the 9th resistance R 9 and the second potential regulator P2.Between the 1st pin of the first operational amplifier U1A and the 3rd pin, be parallel with the 4th resistance R 4.Between the 5th resistance R 5 and the 6th resistance R 6, be parallel with one end ground connection of the first capacitor C 1, the first capacitor C 1.
More than show and described general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. one kind is mixed reactive power generator output circuit, it is characterized in that: comprise the first operational amplifier (U1A), the second operational amplifier (U1B) and comprise the 3rd operational amplifier (U1C), the 3rd pin of described the first operational amplifier (U1A) is through the second resistance (R2) ground connection, on the 2nd pin of the first operational amplifier (U1A), be parallel with the first resistance (R1) and the 3rd resistance (R3), described the 3rd resistance (R3) one end ground connection, 1 pin of described the first operational amplifier (U1A) is connected on the 1st pin of the second operational amplifier (U1B) through the 5th resistance (R5) and the 6th resistance (R6), the 2nd pin of described the second operational amplifier (U1B) is connected to by the circuit after the 7th resistance (R7) and the series connection of the 8th resistance (R8), described the 7th resistance (R7) one end ground connection, described the 8th resistance (R8) one end is divided into two-way, one tunnel the 9th resistance (R9) is connected to the second potential regulator (P2), another road is connected to the first potential regulator (P1), the 3rd pin of described the second operational amplifier (U1B) is connected with the first potential regulator (P1), described the first potential regulator (P1) one end is connected to the 3rd pin of the 3rd operational amplifier (U1C), the 1st pin and second pin of described the 3rd operational amplifier (U1C) are connected in parallel, the positive terminal of described the 3rd operational amplifier (U1C) is connected with the 3rd electric capacity (C3), the negative pole of the 3rd operational amplifier (U1C) is connected with the second electric capacity (C2), carry out Voltage-output by the 3rd operational amplifier (U1C), carry out electric current output by the 9th resistance (R9) and the second potential regulator (P2).
2. mixing reactive power generator output circuit according to claim 1, is characterized in that: between the 1st pin of described the first operational amplifier (U1A) and the 3rd pin, be parallel with the 4th resistance (R4).
3. mixing reactive power generator output circuit according to claim 1, it is characterized in that: between described the 5th resistance (R5) and the 6th resistance (R6), be parallel with the first electric capacity (C1), one end ground connection of described the first electric capacity (C1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240628.9A CN104052068B (en) | 2014-05-30 | 2014-05-30 | Mixing reactive power generator output circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410240628.9A CN104052068B (en) | 2014-05-30 | 2014-05-30 | Mixing reactive power generator output circuit |
Publications (2)
| Publication Number | Publication Date |
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| CN104052068A true CN104052068A (en) | 2014-09-17 |
| CN104052068B CN104052068B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410240628.9A Active CN104052068B (en) | 2014-05-30 | 2014-05-30 | Mixing reactive power generator output circuit |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012039728A (en) * | 2010-08-05 | 2012-02-23 | Chugoku Electric Power Co Inc:The | Voltage flicker restraining device |
| CN102637054A (en) * | 2012-04-21 | 2012-08-15 | 吉林大学 | 50-ampere power consumption balanced-type high-power constant-current source |
| CN103326375A (en) * | 2013-06-13 | 2013-09-25 | 东北大学 | Direct-hanging type reactive power compensation device and method based on 10kV power grid |
-
2014
- 2014-05-30 CN CN201410240628.9A patent/CN104052068B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012039728A (en) * | 2010-08-05 | 2012-02-23 | Chugoku Electric Power Co Inc:The | Voltage flicker restraining device |
| CN102637054A (en) * | 2012-04-21 | 2012-08-15 | 吉林大学 | 50-ampere power consumption balanced-type high-power constant-current source |
| CN103326375A (en) * | 2013-06-13 | 2013-09-25 | 东北大学 | Direct-hanging type reactive power compensation device and method based on 10kV power grid |
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| Publication number | Publication date |
|---|---|
| CN104052068B (en) | 2016-08-24 |
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Effective date of registration: 20191021 Address after: 315000 No. 150, Xinhui Road, Ningbo high tech Zone, Zhejiang Province Patentee after: NINGBO SUNPU OPTO CO., LTD. Address before: Changfeng Shuangfeng Economic Development Zone, Hefei city of Anhui Province Jin Rong road 231100 No. 39 Patentee before: ANHUI SANHE ELECTRIC POWER TECHNOLOGY CO., LTD. |
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