CN103166556A - Excitation regulator control circuit - Google Patents
Excitation regulator control circuit Download PDFInfo
- Publication number
- CN103166556A CN103166556A CN 201110418258 CN201110418258A CN103166556A CN 103166556 A CN103166556 A CN 103166556A CN 201110418258 CN201110418258 CN 201110418258 CN 201110418258 A CN201110418258 A CN 201110418258A CN 103166556 A CN103166556 A CN 103166556A
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- China
- Prior art keywords
- circuit
- control circuit
- synchronous motor
- excitation
- voltage
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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
The invention relates to an excitation regulator control circuit. A magnetic regulating system is an important component of a synchronous motor, a main task of the magnetic regulating system is to offer an adjustable direct current or a voltage to an excitation winding set of the synchronous motor, so that machine end voltages are controlled to be constant, and thus the need for normal power generation of the synchronous motor is met. The excitation regulator control circuit is characterized in that an analog-to-digital (A/D) acquisition circuit, a single chip computer and a power source are sequentially connected, the A/D acquisition circuit is connected with a voltage monitoring circuit and a current acquisition circuit, one side of a digital-to-analog (D/A) control circuit is connected with the single chip computer, and the other side of the D/A control circuit is connected with an excitation power source voltage circuit and a phase modulation voltage reference circuit. The excitation regulator control circuit accurately adjusts the machine end voltage of the synchronous motor and controls the reactive power of the synchronous motor, a closed loop control system is formed by an A/D system and a D/A system, and thus the purpose of adjusting the conduction angle of a thyristor is achieved.
Description
Technical field
The present invention relates to a kind of control circuit of field regulator.
Background technology
The magnetic regulating system is very important part of synchronous generator, and its main task is that the excitation winding to synchronous generator provides an adjustable direct current or voltage, thereby the controller terminal voltage is constant, to satisfy the needs of generator normal power generation.In recent years, microcomputer excitation regulator is simple, clear with its hardware configuration, equipment interoperability is good, standardization level is high, software flexible, can conveniently realize several functions and satisfy the advantages such as requirement of various control laws, is widely used in many power industries.But; each link reliability of list microcomputer excitation system is high again; that breaks down may still exist; for guaranteeing the reliability service of excitation system; microcomputer excitation regulator should provide the reliable communication interface of networking, makes the operations such as startup-shutdown, the raising speed that the dispatcher in a distant place or level of factory staff can convenients boosted, is incorporated into the power networks, Modulating Power (comprising meritorious and idle).
Summary of the invention
Technical problem solved by the invention is to provide a kind of set end voltage of fine adjustment synchronous generator and the control circuit of the field regulator of the reactive power of controlling synchronous generator.
For solving above-mentioned technical problem, the technical scheme that the present invention takes:
A kind of control circuit of field regulator, its special character is: comprise single-chip microcomputer, power supply, A/D Acquisition Circuit, D/A control circuit, voltage monitoring circuit, current collection circuit, field power supply potential circuit, phase modulation voltage reference circuit, A/D Acquisition Circuit, single-chip microcomputer, power supply connect successively, the A/D Acquisition Circuit connects respectively voltage monitoring circuit, current collection circuit, D/A control circuit one side is connected with single-chip microcomputer, and opposite side is connected with field power supply potential circuit, phase modulation voltage reference circuit.
Above-mentioned single-chip microcomputer adopts the AT89C52 model.
Above-mentioned A/D Acquisition Circuit adopts the MAX197 chip of MAXIM company.
Above-mentioned D/A control circuit adopts the MAX536 chip of MAXIM company.
Compared with prior art, the set end voltage of fine adjustment synchronous generator of the present invention and control the reactive power of synchronous generator, the A/D system consists of closed-loop control system together with the D/A system, reach the purpose of regulating the silicon controlled angle of flow.
Description of drawings
Fig. 1 is circuit block diagram of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, the present invention includes single-chip microcomputer 1, power supply 2, A/D Acquisition Circuit 3, D/A control circuit 4, voltage monitoring circuit 5, current collection circuit 6, field power supply potential circuit 7, phase modulation voltage reference circuit 8, A/D Acquisition Circuit 3, single-chip microcomputer 1, power supply 2 connect successively, A/D Acquisition Circuit 3 connects respectively voltage monitoring circuit 5, current collection circuit 6, D/A control circuit 4 one sides are connected with single-chip microcomputer 1, and opposite side is connected with field power supply potential circuit 7, phase modulation voltage reference circuit 8.
Above-mentioned single-chip microcomputer 1 adopts the AT89C52 model.
Above-mentioned A/D Acquisition Circuit 3 adopts the MAX197 chip of MAXIM company.
Above-mentioned D/A control circuit 4 adopts the MAX536 chip of MAXIM company.
Claims (4)
1. the control circuit of a field regulator, it is characterized in that: comprise single-chip microcomputer (1), power supply (2), A/D Acquisition Circuit (3), D/A control circuit (4), voltage monitoring circuit (5), current collection circuit (6), field power supply potential circuit (7), phase modulation voltage reference circuit (8), A/D Acquisition Circuit (3), single-chip microcomputer (1), power supply (2) connects successively, A/D Acquisition Circuit (3) connects respectively voltage monitoring circuit (5), current collection circuit (6), D/A control circuit (4) one sides are connected with single-chip microcomputer (1), opposite side and field power supply potential circuit (7), phase modulation voltage reference circuit (8) connects.
2. the control circuit of a kind of field regulator according to claim 1, is characterized in that: described single-chip microcomputer (1) employing AT89C52 model.
3. the control circuit of a kind of field regulator according to claim 1 is characterized in that: described A/D Acquisition Circuit (3) adopts the MAX197 chip of MAXIM company.
4. the control circuit of a kind of field regulator according to claim 1 is characterized in that: described D/A control circuit (4) adopts the MAX536 chip of MAXIM company.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110418258 CN103166556A (en) | 2011-12-15 | 2011-12-15 | Excitation regulator control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110418258 CN103166556A (en) | 2011-12-15 | 2011-12-15 | Excitation regulator control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103166556A true CN103166556A (en) | 2013-06-19 |
Family
ID=48589339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110418258 Pending CN103166556A (en) | 2011-12-15 | 2011-12-15 | Excitation regulator control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103166556A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208854A (en) * | 2016-08-31 | 2016-12-07 | 江苏奥尼克电气股份有限公司 | Automobile-used high-power generator voltage regulator system |
| CN106325342A (en) * | 2016-08-29 | 2017-01-11 | 苏州倍声声学技术有限公司 | Output voltage closed-loop control method and output voltage closed-loop control system for portable power generator |
-
2011
- 2011-12-15 CN CN 201110418258 patent/CN103166556A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106325342A (en) * | 2016-08-29 | 2017-01-11 | 苏州倍声声学技术有限公司 | Output voltage closed-loop control method and output voltage closed-loop control system for portable power generator |
| CN106208854A (en) * | 2016-08-31 | 2016-12-07 | 江苏奥尼克电气股份有限公司 | Automobile-used high-power generator voltage regulator system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130619 |