CN104242468B - Monitoring system for wind power generation tank type transformer - Google Patents
Monitoring system for wind power generation tank type transformer Download PDFInfo
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- CN104242468B CN104242468B CN201410542173.6A CN201410542173A CN104242468B CN 104242468 B CN104242468 B CN 104242468B CN 201410542173 A CN201410542173 A CN 201410542173A CN 104242468 B CN104242468 B CN 104242468B
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Abstract
The invention discloses a monitoring system for a wind power generation tank type transformer. The monitoring system comprises a main controller, a PLC (Programmable Logic Controller) controller and a thermal resistance input isolated gate; the PLC controller comprises a PLC module, a communication module, a power supply module, a DO (Defense Order) module and a DI (Data Input) module, wherein the PLC controller is connected with the main controller through the communication module, the DI module is connected with a box type transformer and is used for collecting signals through the signal sensor, and the DO module is connected with the box type transformer through a relay and is used for controlling the box type transformer; the input end of the thermal resistance input isolated gate is connected with the box type transformer through the temperature sensor, and the output end of the thermal resistance input isolated gate is connected with the DI module. According to the monitoring system provided by the invention, the operating status of the box type transformer in a wind power generation system can be monitored and controlled in real time, and faults or problems of the box type transformer can be processed in time.
Description
Technical field
The present invention relates to wind power generation field, more particularly, to a kind of monitoring system for wind power generation box type transformator.
Background technology
In large-scale wind power field, due to the distance between each unit of wind energy turbine set hundreds of rice at least, at most several kilometers, because
This, export loss and the burning voltage of electric energy to reduce blower fan, needs to be equipped with box type transformer for every Fans, is then incorporated into
Primary substation is transported to electrical network.
China's conventional Construction of Wind Power scale is relatively small, and automatization, intelligent level are relatively low, especially distributed
The monitoring aspect of box type transformer or blank out, there is no that automatization can say, or based on manual patrol, for
These past Miniature wind electric fields, this mode substantially can also maintain reluctantly.But for Large Scale Wind Farm Integration, to case parameter
According to carrying out concentrating Real-time Collection and realizing the Centralizing inspection of wind chassis type transformator, the efficiency of blower fan management can not only be lifted,
Also help attendant and corresponding decision-making is quickly made according to real-time condition, the grid-connected offer for blower fan electric power is reliably protected
Barrier.If therefore continuing to take conventional construction model, thousands of box type transformer cannot monitor in time and control, must
So the stable operation to whole national grid brings strong influence,
In order to solve the above problems, in prior art, propose following technology:
As China Patent No. " 201220732488.3 " discloses a kind of wind power generation box type intelligent transformer monitoring system,
Its publication date is on 06 26th, 2013, and its technical scheme is described intelligent monitor system, passes including monitoring processing terminal, detection
Sensor system and background computer, described detection sensor system is disposed on wind power generation box type transformator, detection sensing
The outfan of device system is electrically connected with monitoring processing terminal, and described monitoring processing terminal is with the communication of described background computer even
Connect, monitoring processing terminal is also connected with the control relay of wind power generation box type transformator.
But the prior art with above-mentioned patent document as representative, in actual use, however it remains following defect:
First, this monitoring system no heating function is it is impossible to apply in the bad working environments wind energy turbine set such as low temperature and plateau, its narrow application range.2nd,
This monitoring system passes through hind computation machine monitoring, but in Large Scale Wind Farm Integration, the quantity of box type transformer is a lot, every box change
Depressor is all equipped with background computer, leads to the high cost of monitoring system, and efficiency is low, not practical.3rd, this Design of Monitoring and Control System is multiple
Miscellaneous, level of integrated system is low, and the system expandability and operational reliability be not high.4th, this system passive fan-out capability weak it is impossible to meet
The control of higher level requires.5th, this monitoring system lacks interactive software, and execute-in-place, monitoring are inconvenient.6th, this prison
Control system no network savvy, in can only being monitored for separate unit blower fan it is impossible to reach the case change running status of whole wind field
Control room, substantially and unrealized intelligent grid automatization's requirement.
Content of the invention
It is an object of the invention to overcoming the above-mentioned problems in the prior art, one kind is provided to be used for wind power generation box type
The monitoring system of transformator, the present invention can not only monitor in real time and control the operation shape of box type transformer in wind generator system
State additionally it is possible to process fault or the problem of box type transformer generation in time according to the information of collection.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of monitoring system for wind power generation box type transformator it is characterised in that: include master controller, plc control
Device and thermal resistance input isolated gate, described plc controller includes plc module, communication module, supply module, do module and di mould
Block, described plc controller is connected with master controller by communication module, and described di module passes through signal transducer and box-type transformation
Device is connected to gather signal, and described do module is connected to control box type transformer, institute by relay and box type transformer
The input stating thermal resistance input isolated gate is connected with box type transformer by temperature sensor, and outfan is connected with di module.
Described do module includes 2 do access points, and described do access point is connected with box type transformer by relay, and do connects
Access point controls the switch of box type transformer with relay cooperation；Described di module includes 19 di access points, described di access point
It is connected with box type transformer by signal transducer.
Described do module also includes 2 standby do access points.
Described monitoring system also includes casing, and described plc controller and thermal resistance input isolated gate are each attached in casing.
It is provided with temperature detect switch (TDS) and heater, the work of temperature detect switch (TDS) and heater cooperation regulation monitoring system in described casing
Make temperature.
Using it is an advantage of the current invention that:
First, in the present invention, can be to the analog quantity of box type transformer operation and numeral by di module and signal transducer
Amount signal is acquired, and realizes conduct monitoring at all levels；The signal of di module collection can be analyzed, processes by plc module,
And analysis, process structure are uploaded to master controller, realize the real-time supervision to box type transformer running status；By do module
Remote operation and control can be carried out with relay to box type transformer.Above-mentioned module be combined with each other and can not only really realize intelligence
Can monitor and control box type transformer additionally it is possible to process fault or the problem that box type transformer occurs in time, electricity can either be ensured
The stable operation of net, can greatly reduce human input cost again.Compact conformation, peace are had on hardware using plc controller
Dress is convenient, good looking appearance and state instruction complete the advantages of, software has the advantages that programming is convenient and execution efficiency is high,
There is during actually used high reliability, high scalability and high stability, make the passive output of whole monitoring system
Ability strengthens, and disclosure satisfy that the control of higher level requires.Increasing thermal resistance input isolated gate can be by box type transformer
Pt100 input rtd signal is converted to ai signal, which saves the temperature-measuring module of plc module, is conducive to cost-effective.
Be compared with the prior art of representative with China Patent No. " 201220732488.3 ", this monitoring system not only have design simple,
Level of integrated system is high, the system expandability and the high advantage of operational reliability are additionally it is possible to realize man-machine interaction and each box change
Depressor networking monitors, and then realizes the automatically-monitored of intelligent grid.
2nd, in the present invention, described di module includes 19 di access points, and described do module includes 2 do access points, do
Access point controls the switch of box type transformer with relay cooperation.Wherein, 19 di access points can gather box-type transformation comprehensively
The information real-time control that the running status of device, do access point and relay cooperation can be collected according to di access point is box
Transformator, can be effective guarantee power grid security reliably run.
3rd, in the present invention, described do module also includes 2 standby do access points, and advance reservation do access point, after being conducive to
Phase safeguards.
4th, in the present invention, external interference factor can be reduced by casing, can not only effectively ensure in monitoring system
The stable operation of each part, also helps the service life extending monitoring system.
5th, in the present invention, in described casing, it is provided with temperature detect switch (TDS) and heater, when case body temperature is less than temperature detect switch (TDS)
During preset lower limit, heater works, and when case body temperature exceedes setting higher limit, heater quits work, temperature detect switch (TDS)
Coordinate the temperature adjusting in monitoring system with heater it is ensured that it normally can run under the adverse circumstances such as low temperature or high temperature,
Be conducive to extending the service life of monitoring system.
Brief description
Fig. 1 is the operation principle schematic diagram of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the control schematic diagram of repeat circuit of the present invention；
Fig. 4 is the temperature control heating schematic diagram in the present invention；
Fig. 5 is the networking schematic diagram of the present invention.
Specific embodiment
A kind of monitoring system for wind power generation box type transformator, including casing, is fixedly installed master in described casing
Controller, plc controller and thermal resistance input isolated gate, described plc controller includes plc module, communication module, power supply mould
Block, do module and di module, described plc controller, as key control unit, passes through supply module and outside 24vdc electricity respectively
Source module connects, and is connected with master controller by communication module, and plc controller is used for uploading the real time execution of box type transformer
Status information, and box type transformer is controlled according to the information remote obtaining.Wherein, communication module compatibility modbus tc/ip and
Two kinds of communications protocol of opc, can be communicated from different communications protocol and master controller for different networking situations.Institute
State do module and include at least one do access point, described do access point is connected with box type transformer by relay；Described di mould
Block includes multiple di access points, and described di access point is connected with box type transformer by signal transducer.Wherein, plc controller
By di access point and signal transducer, to box type transformer, the analog quantity run and digital quantity signal are acquired, by plc
The signal that module gathers to di access point is analyzed, processes, and analysis, process structure are uploaded to master controller, and it is right to realize
The real-time supervision of box type transformer running status；After plc controller receives the order of master controller, defeated by do access point
The out disconnection of control relay contact and closure, thus realize remote operation and the control of box type transformer.Described thermal resistance
The input of input isolated gate is connected with box type transformer by temperature sensor, and outfan is connected with di module, using thermoelectricity
The pt100 input rtd signal of box type transformer can be converted to ai signal by resistance input isolated gate, which save plc module
Temperature-measuring module, reduce cost, make space layout in casing more attractive in appearance rationally simultaneously.
Further, described relay adopts the strong passive relay of load capacity, and the output loading capability of relay is
220vac/16a,
In the present invention, described do access point is 4, and as standby, described di access point is 19 for wherein 2 do access points
Individual.
In the present invention, described monitoring system also includes casing, and described plc controller and thermal resistance input isolated gate are all fixing
In casing, setting casing, in order to prevent introduced contaminants from corroding each part, forms more preferable protection to each part.
Further, be provided with temperature detect switch (TDS) and heater in described casing, described temperature detect switch (TDS) and heater directly with
Access casing in power supply connect, when this device uses in the low temperature of bad environments or high temperature wind energy turbine set, temperature detect switch (TDS) with
Heater cooperation adjusts the operating temperature of monitoring system it is ensured that whole monitoring system can run well.
Further, described lower box is provided with the binding post for line.
The present invention both can realize the monitoring to separate unit box type transformer it is also possible to multiple box type transformers are realized in networking
Monitor simultaneously.
In the present invention, described plc module is provided with pc machine special purpose interface, field adjustable personnel can by carry pc machine with
The system connects, both convenient and practical, can reduce the consumption of background computer again.
Claims (1)
1. a kind of monitoring system for wind power generation box type transformator it is characterised in that: include master controller, plc controller
Input isolated gate with thermal resistance, described plc controller includes plc module, communication module, supply module, do module and di module,
Described plc controller is connected with master controller by communication module, and described di module passes through signal transducer and box type transformer
It is connected to gather signal, described do module is connected to control box type transformer by relay and box type transformer, described
The input that thermal resistance inputs isolated gate is connected with box type transformer by temperature sensor, and outfan is connected with di module；
Described do module includes 2 do access points, and described do access point is connected with box type transformer by relay, do access point
Coordinate the switch controlling box type transformer with relay；Described di module includes 19 di access points, and described di access point passes through
Signal transducer is connected with box type transformer；
Described do module also includes 2 standby do access points；
Described monitoring system also includes casing, and described plc controller and thermal resistance input isolated gate are each attached in casing；
It is provided with temperature detect switch (TDS) and heater, the work temperature of temperature detect switch (TDS) and heater cooperation regulation monitoring system in described casing
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542173.6A CN104242468B (en) | 2014-10-15 | 2014-10-15 | Monitoring system for wind power generation tank type transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542173.6A CN104242468B (en) | 2014-10-15 | 2014-10-15 | Monitoring system for wind power generation tank type transformer |
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| CN104242468A CN104242468A (en) | 2014-12-24 |
| CN104242468B true CN104242468B (en) | 2017-02-01 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268749U (en) * | 2011-10-28 | 2012-06-06 | 西安远征智能软件有限公司 | Intelligent security monitoring device for box transformer substation |
| CN202602375U (en) * | 2012-05-08 | 2012-12-12 | 安徽泰特斯电力技术有限公司 | Wind power generation box type transformer cloud terminal |
| CN103178618A (en) * | 2013-03-29 | 2013-06-26 | 安徽泰特斯电力技术有限公司 | Integrated monitoring terminal for wind-electricity power generation unit |
| CN203251140U (en) * | 2012-11-26 | 2013-10-23 | 安徽泰特斯电力技术有限公司 | Monitoring system of photovoltaic power generation unit |
-
2014
- 2014-10-15 CN CN201410542173.6A patent/CN104242468B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202268749U (en) * | 2011-10-28 | 2012-06-06 | 西安远征智能软件有限公司 | Intelligent security monitoring device for box transformer substation |
| CN202602375U (en) * | 2012-05-08 | 2012-12-12 | 安徽泰特斯电力技术有限公司 | Wind power generation box type transformer cloud terminal |
| CN203251140U (en) * | 2012-11-26 | 2013-10-23 | 安徽泰特斯电力技术有限公司 | Monitoring system of photovoltaic power generation unit |
| CN103178618A (en) * | 2013-03-29 | 2013-06-26 | 安徽泰特斯电力技术有限公司 | Integrated monitoring terminal for wind-electricity power generation unit |
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| CN104242468A (en) | 2014-12-24 |
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Address after: 618000 No. 18, Third Section of Lushan South Road, Deyang City, Sichuan Province Patentee after: Dongfang Electric Automatic Control Engineering Co., Ltd. Address before: 618099 No. 18, Section 3, Lushan South Road, Deyang City, Sichuan Province Patentee before: Sichuan Orient Electric Automatic Control Engineering Co., Ltd. |
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