CN205039730U - Digital generator excitation voltage regulator - Google Patents
Digital generator excitation voltage regulator Download PDFInfo
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- CN205039730U CN205039730U CN201520733674.2U CN201520733674U CN205039730U CN 205039730 U CN205039730 U CN 205039730U CN 201520733674 U CN201520733674 U CN 201520733674U CN 205039730 U CN205039730 U CN 205039730U
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- pulse driving
- excitation voltage
- generator excitation
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Abstract
The utility model provides a digital generator excitation voltage regulator, including sampling point way, synchronization signal detection circuitry, incoming signal circuit, microprocessing unit, pulse driving circuit, overvoltage crowbar, display element, press unit, reset circuit, supply circuit and three -phase SVR, sampling point way, synchronization signal detection circuitry, incoming signal circuit, pulse driving circuit, display element, press unit, reset circuit and supply circuit connect microprocessing unit respectively, and pulse driving circuit and overvoltage crowbar connect three -phase SVR respectively, the utility model relates to a rationally, convenient to use, control accuracy, powerful, small in size, convenient debugging and upgrading have fine application prospect.
Description
Technical field
The utility model is specifically related to a kind of Digital-typed Generator excitation voltage regulation device.
Background technology
The digital spread-spectrum technology system of Generator Set effectively can improve the operation conditions of electric power system within the specific limits, is the operation of generator stable, can reduces the voltage ripple of power network that large disturbances causes, and discharges rapidly the fault caused by short circuit etc.If the small-power synchronous generator that separate unit is incorporated into the power networks only provides active power to system, not to system input reactive power, the voltage drop of electrical network can be caused.So in order to ensure that small power generator exports a certain amount of active power and certain reactive power, this will ask the power factor of synchronous generator constant in certain scope.The active power that the power factor of generator is exported by generator and reactive power are determined, active power is determined by the prime mover with generator coaxle, regulate the rotating speed of prime mover to carry out the active power of regulator generator output by speed regulator, electric voltage frequency reflects the balanced degree of active power.Three-phase thyristor rectification circuit has the handling capacity of big current, can be used in powerful system, but the power factor of Thyristor Controlled rectification is very low, the higher harmonic component content so just causing the electric current of electrical network end is higher, electrical network terminal voltage also can produce distortion, cause the fluctuation of electrical network, the power consumption equipment near impact.
Utility model content
The purpose of this utility model is for solving above-mentioned deficiency, provides a kind of Digital-typed Generator excitation voltage regulation device.
The purpose of this utility model is achieved through the following technical solutions:
A kind of Digital-typed Generator excitation voltage regulation device; comprise sampled point road, synchronization signal detection circuit, input signal circuit, microprocessing unit, pulse driving circuit, overvoltage crowbar, display unit, push-button unit, reset circuit, power supply circuits and three-phase SVR; sampled point road, synchronization signal detection circuit, input signal circuit, pulse driving circuit, display unit, push-button unit, reset circuit are connected microprocessing unit respectively with power supply circuits, and pulse driving circuit and overvoltage crowbar are connected three-phase SVR respectively.
Microprocessing unit adopts the dsp chip of TMS320F28335.
Power supply circuits provide 3V and 5V power supply.
Sampled point road comprises alternating current sampling unit, alternating voltage sampling unit, exciting current sampling unit and exciting voltage sampling unit.
The utility model has effect useful as follows:
The utility model is reasonable in design, easy to use, controls accurate, powerful, compact, convenient debugging and upgrading, has good application prospect.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is power supply circuits of the present utility model;
Fig. 3 is signal sync detection circuit of the present utility model;
Fig. 4 is sampled point road of the present utility model;
Fig. 5 is pulse driving circuit of the present utility model;
Fig. 6 is overvoltage crowbar of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 1, a kind of Digital-typed Generator excitation voltage regulation device, comprise sampled point road 1, synchronization signal detection circuit 2, input signal circuit 3, microprocessing unit 4, pulse driving circuit 5, overvoltage crowbar 6, display unit 7, push-button unit 8, reset circuit 9, power supply circuits 10 and three-phase SVR11, sampled point road 1, synchronization signal detection circuit 2, input signal circuit 3, pulse driving circuit 5, display unit 7, push-button unit 8, reset circuit 9 is connected microprocessing unit 4 respectively with power supply circuits 10, pulse driving circuit 5 is connected three-phase SVR11 respectively with overvoltage crowbar 6.
Microprocessing unit adopts the dsp chip of TMS320F28335.
Power supply circuits provide 3V and 5V power supply.
Sampled point road comprises alternating current sampling unit, alternating voltage sampling unit, exciting current sampling unit and exciting voltage sampling unit.
Will increase power amplification circuit between DSP and power tube, drive circuit adopts IR2110 chip to drive, i.e. drive circuit.Optocoupler is adopted to isolate in order to protect DSP.
The voltage of forceful electric power side, electric current are through the translation filtering of A/D sample circuit, and the standard voltage signal finally becoming 0 ~ 3V is defeated, is inputted the analog acquisition passage of the ADC module of DSP, then after ADC conversion for DSP computing.
Claims (4)
1. a Digital-typed Generator excitation voltage regulation device; comprise sampled point road, synchronization signal detection circuit, input signal circuit, microprocessing unit, pulse driving circuit, overvoltage crowbar, display unit, push-button unit, reset circuit, power supply circuits and three-phase SVR; it is characterized in that: sampled point road, synchronization signal detection circuit, input signal circuit, pulse driving circuit, display unit, push-button unit, reset circuit are connected microprocessing unit respectively with power supply circuits, pulse driving circuit and overvoltage crowbar are connected three-phase SVR respectively.
2. a kind of Digital-typed Generator excitation voltage regulation device according to claim 1, is characterized in that: described microprocessing unit adopts the dsp chip of TMS320F28335.
3. a kind of Digital-typed Generator excitation voltage regulation device according to claim 1, is characterized in that: described power supply circuits provide 3V and 5V power supply.
4. a kind of Digital-typed Generator excitation voltage regulation device according to claim 1, is characterized in that: described sampled point road comprises alternating current sampling unit, alternating voltage sampling unit, exciting current sampling unit and exciting voltage sampling unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733674.2U CN205039730U (en) | 2015-09-18 | 2015-09-18 | Digital generator excitation voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520733674.2U CN205039730U (en) | 2015-09-18 | 2015-09-18 | Digital generator excitation voltage regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039730U true CN205039730U (en) | 2016-02-17 |
Family
ID=55298598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520733674.2U Active CN205039730U (en) | 2015-09-18 | 2015-09-18 | Digital generator excitation voltage regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205039730U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114825456A (en) * | 2022-05-12 | 2022-07-29 | 重庆铭贝科技有限公司 | Synchronization control method for grid connection of diesel generator |
| CN114825456B (en) * | 2022-05-12 | 2024-04-26 | 重庆铭贝科技有限公司 | Synchronous control method for diesel generator grid connection |
-
2015
- 2015-09-18 CN CN201520733674.2U patent/CN205039730U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114825456A (en) * | 2022-05-12 | 2022-07-29 | 重庆铭贝科技有限公司 | Synchronization control method for grid connection of diesel generator |
| CN114825456B (en) * | 2022-05-12 | 2024-04-26 | 重庆铭贝科技有限公司 | Synchronous control method for diesel generator grid connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |