CN104467579A - Seawater power generating system - Google Patents
Seawater power generating system Download PDFInfo
- Publication number
- CN104467579A CN104467579A CN201410701152.4A CN201410701152A CN104467579A CN 104467579 A CN104467579 A CN 104467579A CN 201410701152 A CN201410701152 A CN 201410701152A CN 104467579 A CN104467579 A CN 104467579A
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- circuit
- control circuit
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- generator
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/008—Arrangements for controlling electric generators for the purpose of obtaining a desired output wherein the generator is controlled by the requirements of the prime mover
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a seawater power generating system. The seawater power generating system comprises a control circuit, a generator, an interface circuit, an overcharging and over-discharging control circuit, a rectification filtering circuit and a power measuring converting circuit. According to the seawater power generating system, an SA4828 chip is the core of a control system, an intelligent IGBT module is adopted in a main control loop, by means of an IPM, the system composition can be simplified, the system cost can be reduced, and the system reliability performance can be enhanced, and meanwhile the seawater power generating system can be qualified for meeting various operation requirements and is very suitable for being used and popularized.
Description
Technical field
The present invention relates to a kind of electricity generation system, specifically a kind of power generation with sea water system.
Background technology
Traditional constant-speed and constant-frequency power generation with sea water system dominate in power generation with sea water always, but because constant-speed and constant-frequency requires that generator speed is constant, the rotating speed being controlled the hydraulic turbine by hydraulic motor is constant, so not only marine tidal-current energy utilance is low, adaptation condition is indifferent, and the cost of hydraulic motor is also higher, be unfavorable for applying of hydroelectric power system.
Summary of the invention
The object of the present invention is to provide a kind of power generation with sea water system of novel constant-speed and constant-frequency, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of power generation with sea water system, comprise control circuit, generator, interface circuit, super-charge super-discharge control circuit, current rectifying and wave filtering circuit and power measurement change-over circuit, described control circuit is connecting interface circuit respectively, warning circuit, power measurement change-over circuit, inverter circuit, super-charge super-discharge control circuit, current rectifying and wave filtering circuit and generator, interface circuit also distinguishes connection speed transducer and speed probe, velocity transducer also connects outside seawater and the hydraulic turbine respectively, the hydraulic turbine also connects speed probe respectively, brake gear and speed increaser, described generator also connects speed increaser respectively, brake gear, generator drive circuit and current rectifying and wave filtering circuit, described super-charge super-discharge control circuit also connects current rectifying and wave filtering circuit respectively, batteries E and inverter circuit, inverter circuit also connects generator drive circuit respectively, power measurement change-over circuit and external electrical network.
As the further scheme of the present invention: described interface circuit adopts RS458 interface circuit.
As the present invention's further scheme: described control circuit adopts single-chip computer AT89C52 and chip SA4828 to be core.
Compared with prior art, the invention has the beneficial effects as follows: the present invention adopts SA4828 chip to be the core of control system, controlling that major loop adopts intelligent IGBT module IPM can simplify System's composition, reduces system cost, enhancing system is reliably can, various operation requirements can be competent at simultaneously, extremely be applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is a kind of structured flowchart of power generation with sea water system.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, a kind of power generation with sea water system, comprise control circuit, generator, interface circuit, super-charge super-discharge control circuit, current rectifying and wave filtering circuit and power measurement change-over circuit, control circuit is connecting interface circuit respectively, warning circuit, power measurement change-over circuit, inverter circuit, super-charge super-discharge control circuit, current rectifying and wave filtering circuit and generator, interface circuit also distinguishes connection speed transducer and speed probe, velocity transducer also connects outside seawater and the hydraulic turbine respectively, the hydraulic turbine also connects speed probe respectively, brake gear and speed increaser, generator also connects speed increaser respectively, brake gear, generator drive circuit and current rectifying and wave filtering circuit, super-charge super-discharge control circuit also connects current rectifying and wave filtering circuit respectively, batteries E and inverter circuit, inverter circuit also connects generator drive circuit respectively, power measurement change-over circuit and external electrical network.
Interface circuit adopts RS458 interface circuit.
Control circuit adopts single-chip computer AT89C52 and chip SA4828 to be core.
Power generation with sea water system of the present invention is in different sea situation, the electric energy of constant voltage constant frequency all can be exported under different water flow velocity, when water velocity is higher, from the electric energy of the hydraulic turbine except being supplied to external electrical network, unnecessary electric energy charges to batteries E through current rectifying and wave filtering circuit and super-charge super-discharge control circuit, when flow velocity is very high, generator can fully generate electricity, to be generator to power excitation by exporting electric energy for this, to save the consumption of excitation, in addition, when external electrical network exceedes the ability of hydraulic turbine generating, batteries E can also suitably supplement, when mainly utilizing water flow velocity large, stored electric energy combines power supply, the electric energy that hydroelectric installation sends can be made full use of like this.
For control circuit major loop, three-phase alternating current input voltage after rectifying and wave-filtering as the input of inverter, the present invention does not use the filter inductance of separation, but according to magnetic circuit integration principle, transformer and filter inductance are integrated into a magnetic element, at the electric capacity that the secondary parallel one of transformer is suitable, composition filter network, obtains sinusoidal voltage and exports from electric capacity two ends; Synchronous triggering is determined with zero-passage trigger signal, for obtaining high power factor, rectification circuit, for not control, realizes the control of output voltage and frequency with inverter circuit, change the size that SPWM power source reference voltage can change output voltage, inverter modulating frequency is the frequency exporting electric energy.
Control circuit for core, completes the generation of SPWM ripple, the detection of system, control with AT89C52 and SA4828.Upgrade display and inquiry case function, during work, first single-chip computer AT89C52 carries out initialization to SA4828, the definition parameter such as carrier frequency, supply frequency scope, dead band, minimum pulse cancellation time, then transmits the parameters such as the frequency control word of power supply and amplitude control words to the control register of SA4828.During normal work, as required the control data of SA4828 is modified, the feedback realizing system with control in real time, and pressure regulation and frequency modulation.In order to realize the voltage stabilizing function of system, adopt average back PI to regulate, export base of a fruit Na and carry out AD conversion after isolation, sampling, transformation result participates in PI computing, and operation result is the control word of SA4828 amplitude control register.During voltage-regulation, user gives point value by voltage in the voltage-regulation key change PI algorithm of control panel, regulated by PI and change output voltage, the control of frequency is without the need to forming closed loop, during frequency modulation, single-chip microcomputer sets the control word of directly amendment SA4828 frequency control register, to change power supply output frequency according to user.
Regulate result for user can be preserved, after user regulates, by voltage, the serial E2PROM 25045 of frequency set-point stored in band house dog, under-voltage protection, during start next time, therefrom recall voltage and frequency set-point.System adopts LED display mode, simultaneously display translation voltage, electric current and frequency, and display circuit is that core forms with HD7279.
Claims (3)
1. a power generation with sea water system, comprise control circuit, generator, interface circuit, super-charge super-discharge control circuit, current rectifying and wave filtering circuit and power measurement change-over circuit, it is characterized in that, described control circuit is connecting interface circuit respectively, warning circuit, power measurement change-over circuit, inverter circuit, super-charge super-discharge control circuit, current rectifying and wave filtering circuit and generator, interface circuit also distinguishes connection speed transducer and speed probe, velocity transducer also connects outside seawater and the hydraulic turbine respectively, the hydraulic turbine also connects speed probe respectively, brake gear and speed increaser, described generator also connects speed increaser respectively, brake gear, generator drive circuit and current rectifying and wave filtering circuit, described super-charge super-discharge control circuit also connects current rectifying and wave filtering circuit respectively, batteries E and inverter circuit, inverter circuit also connects generator drive circuit respectively, power measurement change-over circuit and external electrical network.
2. power generation with sea water system according to claim 1, is characterized in that, described interface circuit adopts RS458 interface circuit.
3. power generation with sea water system according to claim 1, is characterized in that, described control circuit adopts single-chip computer AT89C52 and chip SA4828 to be core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701152.4A CN104467579A (en) | 2014-11-28 | 2014-11-28 | Seawater power generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701152.4A CN104467579A (en) | 2014-11-28 | 2014-11-28 | Seawater power generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104467579A true CN104467579A (en) | 2015-03-25 |
Family
ID=52913083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410701152.4A Pending CN104467579A (en) | 2014-11-28 | 2014-11-28 | Seawater power generating system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104467579A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020808A (en) * | 2018-04-27 | 2020-12-01 | Ntn株式会社 | Hydroelectric power generation system connecting system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744850Y (en) * | 2004-06-16 | 2005-12-07 | 王爱民 | Circulating hydraulic turbine power generation device |
| CN201786541U (en) * | 2010-09-06 | 2011-04-06 | 程辉 | Power generator |
| WO2012000025A1 (en) * | 2010-06-29 | 2012-01-05 | William Darcy John Monaghan | Submerged waterwheel for oceanic power |
| CN102852704A (en) * | 2010-12-04 | 2013-01-02 | 广东海洋大学 | Bypass stabilizing type seat water desalination and power generation device utilizing tidal energy for one-way drive |
| CN102852702A (en) * | 2010-12-04 | 2013-01-02 | 广东海洋大学 | Bypass booster type seat water desalination and power generation device utilizing tidal energy for two-way drive |
| CN202756165U (en) * | 2012-06-28 | 2013-02-27 | 谢宝忠 | Water turbine set speed change operation system |
| CN204334396U (en) * | 2014-11-28 | 2015-05-13 | 魏绍宏 | A kind of power generation with sea water system |
-
2014
- 2014-11-28 CN CN201410701152.4A patent/CN104467579A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2744850Y (en) * | 2004-06-16 | 2005-12-07 | 王爱民 | Circulating hydraulic turbine power generation device |
| WO2012000025A1 (en) * | 2010-06-29 | 2012-01-05 | William Darcy John Monaghan | Submerged waterwheel for oceanic power |
| CN201786541U (en) * | 2010-09-06 | 2011-04-06 | 程辉 | Power generator |
| CN102852704A (en) * | 2010-12-04 | 2013-01-02 | 广东海洋大学 | Bypass stabilizing type seat water desalination and power generation device utilizing tidal energy for one-way drive |
| CN102852702A (en) * | 2010-12-04 | 2013-01-02 | 广东海洋大学 | Bypass booster type seat water desalination and power generation device utilizing tidal energy for two-way drive |
| CN202756165U (en) * | 2012-06-28 | 2013-02-27 | 谢宝忠 | Water turbine set speed change operation system |
| CN204334396U (en) * | 2014-11-28 | 2015-05-13 | 魏绍宏 | A kind of power generation with sea water system |
Non-Patent Citations (1)
| Title |
|---|
| 王刚: "《海洋潮流能发电控制系统研究》", 《中国优秀硕士学位论文全文数据库（电子期刊）》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112020808A (en) * | 2018-04-27 | 2020-12-01 | Ntn株式会社 | Hydroelectric power generation system connecting system |
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| C06 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
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| RJ01 | Rejection of invention patent application after publication |