CN206099362U - A control system that is incorporated into power networks for low temperature cogeneration station - Google Patents
A control system that is incorporated into power networks for low temperature cogeneration station Download PDFInfo
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- CN206099362U CN206099362U CN201620981558.7U CN201620981558U CN206099362U CN 206099362 U CN206099362 U CN 206099362U CN 201620981558 U CN201620981558 U CN 201620981558U CN 206099362 U CN206099362 U CN 206099362U
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Abstract
The utility model discloses a control system that is incorporated into power networks for low temperature cogeneration station, including singlechip, rotary speed control dress system and power regulating system, singlechip one end is connected with rotational speed control system, and the other end is connected with power regulating system, rotational speed control system includes working medium pump speed regulation device and sends out motor rotation speed control device, a working medium pump speed regulation device and a motor speed control system, power regulating system includes intelligent excitation adjusting and control device, automatic accurate grid -connected device in the same term, unit protection device. The utility model provides a problems such as the security that exists in the aspect of the connected to the grid of current power station, reliability, stability.
Description
Technical field
The utility model belongs to environmental protection and cutting-in control technical field, and in particular to one kind can control generator and turn
Speed can carry out the grid-connection control system at the low-temperature cogeneration station of power adjusting again.
Background technology
Waste heat in order to make full use of Largescale Industrial Processess, is translated into mechanical energy, electric energy of high-quality etc., grinds
Study carefully and devise low temperature exhaust heat organic rankie cycle electricity generation system, reclaim and convert a large amount of residual heat resources in production process,
And high-grade electric energy is converted into, it is incorporated to enterprises electrical network and recycles for operation equipment, while former waste heat is further reduced
System is then exhausted from after energy level, the Optimum utilization for making Process Energy reaches new level.
The grid-connection control system at low-temperature cogeneration station has considerable effect in whole electricity generation system.For institute
There is the low-temperature cogeneration station of the various models of construction, there are problems at the safe and reliable, aspect that is stably connected to the grid.
The content of the invention
The utility model solves the deficiencies in the prior art, there is provided a kind of safe and reliable, stably low-temperature cogeneration
The grid-connection control system stood.
The technical scheme that the utility model is adopted for achieving the above object is：
A kind of grid-connection control system for low-temperature cogeneration station, it is characterised in that including single-chip microcomputer, rotating speed control dress
System and power regulating system, described single-chip microcomputer one end is connected with revolution speed control system, and the other end is connected with power regulating system,
The revolution speed control system includes working medium pump speed setting unit and generator speed control device, the working medium pump rotational speed regulation
Device and generator speed control system, the power regulating system includes intelligent adjustment of field excitation control device, automatic presynchronization
Grid-connecting apparatus, generator protection device.
Further, the generator control unit includes screw machine, alternator shaft, generator, sets on generator
There are temperature sensor and pressure sensor, described screw machine one end is connected with alternator shaft one end, the alternator shaft other end
It is connected with generator, is connected with generator speed acquisition probe in the alternator shaft, the temperature sensor, pressure sensing
Device, generator speed acquisition probe are connected respectively with single-chip microcomputer, and the working medium pump speed setting unit includes working medium pump frequency converter,
Working medium pump frequency converter is connected with the screw machine other end.
Further, the intelligent adjustment of field excitation control device includes field regulator, intelligent adjustment of field excitation control device
One end is connected with single-chip microcomputer, and the other end is connected with field regulator.
The system can be set to grid-connected manually and auto-parallel both of which, except the convenience of above-mentioned auto-parallel, may be used also
The performance parameter at low-temperature cogeneration station is directed to manually grid-connect mode carries out quantitative data analysis and to unit
Dispatch from the factory and debugged, contribute to the further Improvement and checking and accepting at low-temperature cogeneration station.
The utility model is a kind of grid-connection control system for low-temperature cogeneration station, stable, grid connection security, together
When be easy to experiment and the execute-in-place of unit, for low-temperature cogeneration new technique provide it is convenient and swift safe and reliable and
Net system.
Description of the drawings
Fig. 1 the utility model structural representations.
Fig. 2 working medium pumps speed setting unit and generator control unit connection figure.
Specific embodiment
The utility model is further described below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of grid-connection control system for low-temperature cogeneration station, it is characterised in that including single-chip microcomputer,
Rotating speed controls dress system and power regulating system, and described single-chip microcomputer one end is connected with revolution speed control system, and the other end is adjusted with power
Section system connects, and the revolution speed control system includes working medium pump speed setting unit and generator speed control device, the work
Matter revolution speed adjusting means and generator speed control system, the power regulating system includes intelligent adjustment of field excitation control dress
Put, automatic synchronization device, generator protection device.
As shown in Fig. 2 the generator control unit includes screw machine, alternator shaft, generator, set on generator
There are temperature sensor and pressure sensor, described screw machine one end is connected with alternator shaft one end, the alternator shaft other end
It is connected with generator, is connected with generator speed acquisition probe in the alternator shaft, the temperature sensor, pressure sensing
Device, generator speed acquisition probe are connected respectively with single-chip microcomputer, and the working medium pump speed setting unit includes working medium pump frequency converter,
Working medium pump frequency converter is connected with the screw machine other end.
Further, the intelligent adjustment of field excitation control device includes field regulator, intelligent adjustment of field excitation control device
One end is connected with single-chip microcomputer, and the other end is connected with field regulator.
As shown in figure 1, operation principle of the present utility model is as follows：Start button is pressed, by changing interface to auto-parallel
After pattern, the frequency of working medium pump is uniformly improved by working medium pump frequency converter, it is uniform to improve so as to be continuously increased screw machine air inflow
Screw machine rotor speed, drives generator shaft to rotate, when rotating speed rises to 1350rpm, the intelligent adjustment of field excitation control of activation automatically
System, while working medium pump frequency persistently increases, when rotating speed rises to 1500rpm, automatic presynchronization grid-connected system starts, and intelligently seeks
Grid-connected tie point is looked for, so as to realize that fast and stable is grid-connected, grid-connected rear system can automatically adjust power to current working optimum, while
Generator protection system works, and automatic suspension when inverse work(protection makes generated output not enough is provided with system；Overvoltage protection, overcurrent protection
Deng protection, it is ensured that whole set steady even running, the system is divided into automatically and manually both of which, test and scene are realized
Effective combination, manual mode clicks on the corresponding button by touch-screen with reference to automatic mode order, and manual mode can be used
To debug unit, record data and the factory inspection and acceptance of unit is completed as needed, automatic mode can be realized " scene is foolproof "
One-key start.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (3)
1. a kind of grid-connection control system for low-temperature cogeneration station, it is characterised in that including single-chip microcomputer, rotating speed control dress system
System and power regulating system, described single-chip microcomputer one end is connected with revolution speed control system, and the other end is connected with power regulating system, institute
Revolution speed control system is stated including working medium pump speed setting unit and generator speed control device, the working medium pump rotational speed regulation dress
Put and generator speed control system, the power regulating system includes intelligent adjustment of field excitation control device, automatic presynchronization simultaneously
Net device, generator protection device.
2. the grid-connection control system for low-temperature cogeneration station according to claim 1, it is characterised in that the generating
Machine control device includes screw machine, alternator shaft, generator, and temperature sensor and pressure sensor are provided with generator,
Described screw machine one end is connected with alternator shaft one end, and the alternator shaft other end is connected with generator, in the generator
Rotating shaft is connected with generator speed acquisition probe, the temperature sensor, pressure sensor, generator speed acquisition probe difference
It is connected with single-chip microcomputer, the working medium pump speed setting unit includes working medium pump frequency converter, working medium pump frequency converter is another with screw machine
End connection.
3. the grid-connection control system for low-temperature cogeneration station according to claim 1, it is characterised in that the intelligence
Energy adjustment of field excitation control device includes field regulator, and intelligent adjustment of field excitation control device one end is connected with single-chip microcomputer, the other end
It is connected with field regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620981558.7U CN206099362U (en) | 2016-08-30 | 2016-08-30 | A control system that is incorporated into power networks for low temperature cogeneration station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620981558.7U CN206099362U (en) | 2016-08-30 | 2016-08-30 | A control system that is incorporated into power networks for low temperature cogeneration station |
Publications (1)
| Publication Number | Publication Date |
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| CN206099362U true CN206099362U (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620981558.7U Active CN206099362U (en) | 2016-08-30 | 2016-08-30 | A control system that is incorporated into power networks for low temperature cogeneration station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907755A (en) * | 2017-05-05 | 2017-06-30 | 天津商业大学 | A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile |
| CN107368026A (en) * | 2017-08-18 | 2017-11-21 | 深圳市乐业科技有限公司 | A kind of intelligent controlling device for low-temperature electricity-generating equipment |
-
2016
- 2016-08-30 CN CN201620981558.7U patent/CN206099362U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907755A (en) * | 2017-05-05 | 2017-06-30 | 天津商业大学 | A kind of heating once net and secondary network system for matching low temperature well formula nuclear heat supplying pile |
| CN107368026A (en) * | 2017-08-18 | 2017-11-21 | 深圳市乐业科技有限公司 | A kind of intelligent controlling device for low-temperature electricity-generating equipment |
| CN107368026B (en) * | 2017-08-18 | 2019-12-03 | 浙江中杭水泵股份有限公司 | A kind of intelligent controlling device for low-temperature electricity-generating equipment |
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