CN105932771A - Small-hydropower-station voltage on-line monitoring device - Google Patents
Small-hydropower-station voltage on-line monitoring device Download PDFInfo
- Publication number
- CN105932771A CN105932771A CN201610261561.6A CN201610261561A CN105932771A CN 105932771 A CN105932771 A CN 105932771A CN 201610261561 A CN201610261561 A CN 201610261561A CN 105932771 A CN105932771 A CN 105932771A
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- Prior art keywords
- power station
- small power
- extension set
- monitoring
- casing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 53
- 238000012545 processing Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 9
- 241000446313 Lamella Species 0.000 claims description 7
- 241000408521 Lucida Species 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
-
- H02J13/0013—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Alarm Systems (AREA)
Abstract
The invention relates to a small-hydropower-station voltage on-line monitoring device, solving the defects of the prior art of unstable running of a power grid due to unreasonable connection of a small hydropower station and the power grid. For the small-hydropower-station voltage on-line monitoring device of the invention, a monitoring extension set is used to monitor electric energy parameters of the small hydropower station. The monitoring extension set is communicated with a monitoring host via the network. The electric energy parameters of the small hydropower station are monitored by the monitoring extension set. A data acquisition unit in the monitoring extension set is used to acquire the electric energy parameters of the small hydropower station. Information that is acquired by the data acquisition unit is sent to and processed by a data processing unit, and then instructions are sent to a control unit by the data processing unit according to the information acquired by the data acquisition unit, so as to control connection/disconnection of the small hydropower station to/from the power grid. The electric energy parameter information of the small hydropower station is monitored by the monitoring extension set. When the electric energy parameters of the small hydropower station do not meet the requirement, the small hydropower station is disconnected from the power grid by the control unit, so the stability of the power grid is optimized.
Description
Technical field
The present invention relates to electrical network field, particularly relate to a kind of small power station voltage on-line monitoring device.
Background technology
Small power station is small hydropower station, and in the region that mountain area, rainwater are more, small hydropower station obtains extensively
Application, small hydropower station is accessed the electric energy that can send small hydropower station in electrical network and carries out effective profit
With, and then reduce the cost of electric energy.But, small hydropower station there is no water-holding capacity, only has to enter in rainy season
Row generating, i.e. cannot generate electricity after Withdrawal.
The application of prior art medium waterpower generator station is unreasonable, is all that small hydropower station is directly accessed electrical network,
The electric energy that i.e. small hydropower station sends is directly accessed in electrical network and powers to electrical network, due to sending out of small hydropower station
Power is unstable, and small hydropower station is directly accessed electrical network and easily causes operation of power networks instability, reduces electricity
The power supply quality of net.
Summary of the invention
A kind of small power station voltage on-line monitoring device that the present invention provides, it is intended to overcome the middle-size and small-size water of prior art
Power station is unreasonable with the connection of electrical network, causes the deficiency that operation of power networks is unstable.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of small power station voltage is online
Supervising device, including monitoring host computer, the monitoring extension set that monitors small power station's electric energy in real time, described monitoring
Main frame carries out communication with monitoring extension set by network, and described monitoring extension set includes gathering small power station's electrical energy parameter
Data processing equipment that data acquisition unit, the data collecting data acquisition unit process, control
The protection device controlling device, small power station being protected that small power station and electrical network are switched on or switched off;Described number
According to harvester and data processing equipment communication, described data processing equipment and control device communication, described control
Device processed and protection device communication;Described monitoring extension set also includes alarm device, described alarm device and data
Processing means communication;Described monitoring extension set also includes timer, described timer respectively with control device, number
According to processing means communication, and alarm device time of fire alarming reaches timer rated value timed unit by little water
Electricity disconnects with electrical network.
In technique scheme, monitoring extension set for monitoring the parameters of small power station's electric energy, monitoring host computer with
Monitoring extension set communication, in order to technical staff understands the electrical energy parameter of small power station at any time, data acquisition unit is used
In the parameter information of collection small power station, the information that data acquisition unit collects is sent to data processing equipment,
Then sent instruction by data processing equipment to controlling device, control device control small power station connect with electrical network or
Disconnect.
A kind of optional scheme, described small power station includes compensating circuit, described compensation electricity route control device control
Making it to be switched on or switched off with small power station, described compensation circuit is capacitor compensating circuit.Compensate circuit and make little water
The electrical energy parameter of electricity is more stable, thus optimizes the stability of electrical network.Capacitor compensating circuit has preferably
Compensation effect and relatively low cost of compensation.
A kind of optional scheme, described monitoring extension set also includes that display, described display process dress with data
Put communication.Display, for showing the electrical energy parameter of small power station, optimizes the usability of monitoring extension set
Energy.
A kind of optional scheme, described alarm device includes voice guard and light alarm apparatus;Described monitoring
Extension set also includes storing device, described storage device and data processing equipment communication.Alarm device is simultaneously emitted by
Sound, light are reported to the police, and optimize the warning performance of alarm device.Storage device is used for storing data acquisition
The information that acquisition means collects, optimizes the performance of monitoring extension set.
A kind of optional scheme, described monitoring extension set includes casing, described data processing equipment, data acquisition
Device, control device, protection device are both secured in casing, and described alarm device is fixed on casing, institute
The dividing plate that casing is separated out several placed cavities it is welded with in stating casing;Described display is fixed by support
In casing, described display is fixed by screws on support, and described support is fixed by screws in dividing plate
On.Display is fixed on dividing plate by support, and display fixation and fixed position are flexible, optimize
The performance of display.
A kind of optional scheme, described casing includes chamber door, and described chamber door offers the sight observing display
Cha Kou, described chamber door is fixed with the lamella lucida closing observation panel, and described lamella lucida is fixed by screws in case
Men Shang.The setting of observation panel and lamella lucida makes technical staff convenient when observing display, optimizes
The serviceability of monitoring extension set.
A kind of optional scheme, described casing is further opened with louvre, described dividing plate offers some logical
Hole, the shape of cross section of described through hole is circular.Through hole can make all placed cavities all communicate with louvre,
Optimize the heat dispersion of casing.
Compared with prior art, a kind of small power station voltage on-line monitoring device that the present invention provides, have as follows
Advantage: monitoring extension set is for monitoring the electrical energy parameter of small power station, and monitoring extension set is led to monitoring host computer by network
News, are monitored the electrical energy parameter of small power station by monitoring extension set, and the data acquisition unit in monitoring extension set is used
In the electrical energy parameter of collection small power station, the information that data acquisition unit collects transfers to data processing equipment to process,
Then, the information that data processing equipment gathers according to data acquisition unit sends instruction to controlling device, controls
Small power station accesses electrical network or disconnects with electrical network;The electrical energy parameter information of small power station is monitored by monitoring extension set,
When the electrical energy parameter of small power station is undesirable, by controlling device, small power station is disconnected with electrical network, thus ensure
After small power station's access electrical network, the electrical energy parameter of small power station is stable, optimizes the stability of electrical network;It addition,
Alarm device sends alarm signal when small power station's electrical energy parameter is undesirable, and, timer starts meter
Time, after timer timing time reaches rated value, logical when the electrical energy parameter of small power station is the most undesirable
Cross control device small power station to be disconnected with electrical network, further increase stability during operation of power networks.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram of a kind of small power station of present invention voltage on-line monitoring device;
Accompanying drawing 2 is the schematic diagram of casing in a kind of small power station of present invention voltage on-line monitoring device.
Detailed description of the invention
Below in conjunction with the accompanying drawings, a kind of small power station voltage on-line monitoring device of the present invention is described further.
As shown in Figure 1 and Figure 2, a kind of small power station voltage on-line monitoring device, small power station 100 does not i.e. have water-holding capacity
Small hydropower station, can be used for generating electricity in rainy season, and electric energy inputted in electrical network 200, on-line monitoring device
Mainly there is the electrical energy parameter inputting electrical network 200 for monitoring small power station 100, to avoid small power station 100 to input
The electrical energy parameter of electrical network 200 is undesirable, causes electrical network 200 to fluctuate;
Seeing Fig. 1, on-line monitoring device includes monitoring host computer 1, monitors small power station 100 electric energy in real time
Monitoring extension set 2, described monitoring host computer 1 carries out communication with monitoring extension set 2 by network, and monitoring host computer 1 makes
The small power station 100 that must intersperse among on each position is able to Centralized Monitoring, reduces the labor intensity of technical staff;
Described monitoring extension set 2 includes gathering the data acquisition unit 3 of small power station 100 electrical energy parameter, filling data acquisition
Put data processing equipment 4 that 3 data collected carry out processing, control small power station 100 and connect with electrical network 200
Or the protection device 6 controlling device 5, small power station 100 being protected disconnected;Described data acquisition unit
3 fill with control device 5 communication, described control with data processing equipment 4 communication, described data processing equipment 4
Put 5 with protection device 6 communication;Data acquisition unit 3, for gathering the electrical energy parameter of small power station 100, counts
According to processing means 4 for identifying that data acquisition unit 3 adopts the information amassed, and according to data acquisition unit 3
The information collected sends control instruction to controlling device 5;Control device 5 for small power station 100 being accessed
Electrical network 200 or small power station 100 is broken by electrical network 200;Protection device 6 is for small power station 100
Circuit is protected, and protection device 6 is electric protection device 6 commonly used in the prior art, such as fuse etc.;
Described monitoring extension set 2 also includes that alarm device 7, described alarm device 7 include voice guard 11 He
Light alarm apparatus 12;Described alarm device 7 and data processing equipment 4 communication;Data processing equipment 4 judges
Go out the parameter of small power station 100 undesirable time, send instruction to alarm device 7, alarm device 7 sends
Alarm signal;
After small power station 100 accesses electrical network 200, when the electrical energy parameter of small power station 100 fluctuates in little scope,
This fluctuation range is unlikely to make control device 5 action, but the electrical energy parameter Long-term Fluctuation of small power station 100 is still
It is unfavorable for the properly functioning of electrical network 200, to this end, described monitoring extension set 2 also includes timer 8, described timing
Device 8 respectively with control device 5, data processing equipment 4 communication, and alarm device 7 time of fire alarming reach meter
Time device 8 rated value timed unit 5 small power station 100 is disconnected with electrical network 200;
The power generation performance of small power station 100 is the most unstable, to this end, described small power station 100 includes compensating circuit 9,
Described compensation circuit 9 is controlled it by control device 5 and is switched on or switched off with small power station 100, described compensation circuit 9
For capacitor compensating circuit, compensate circuit 9 and improve the stability of small power station 100, thus optimize electrical network
The stability of 200;Control device 5 and control the break-make of small power station 100 and electrical network 200, and control device
5 also control small power station 100 and the break-make compensating circuit 9;
For the ease of the electrical energy parameter of technical staff Real Time Observation small power station 100, described monitoring extension set 2 also wraps
Include display 10, described display 10 and data processing equipment 4 communication;Data processing equipment 4 should include driving
The drive circuit of dynamic display 10 display, to realize the display function of display 10;At data
The loss of data that the data stored in reason device 4 and information collecting device collect, described monitoring extension set 2
Also include storing device 13, described storage device 13 and data processing equipment 4 communication.
In technique scheme, information collecting device gathers the electrical energy parameter of small power station 100, and by this parameter
Being sent to data processing equipment 4, the information that data processing equipment 4 gathers according to information collecting device fills to control
Put 5 and send control instruction, control small power station 100 and access electrical network 200 or break from electrical network 200, thus
Effectively optimize the stability of electrical network 200.
Seeing Fig. 2, the monitoring extension set 2 in technique scheme also should include casing 14, and described data process
Device 4, data acquisition unit 3, control device 5, protection device 6 are both secured in casing 14, described report
Alarm device 7 is fixed on casing 14, is welded with casing 14 is separated out several placements in described casing 14
The dividing plate 16 in chamber 15;Described display 10 is fixed in casing 14 by support, and described display 10 leads to
Crossing screw to be fixed on support, described support is fixed by screws on dividing plate 16, and described casing 14 includes
Chamber door 17, described chamber door 17 offers the observation panel 18 observing display 10, solid on described chamber door 17
Surely having the lamella lucida closing observation panel 18, described lamella lucida is fixed by screws on chamber door 17;Chamber door 17
And it is additionally provided with lockset between casing 14, to avoid unrelated person to open chamber door 17;Also open on described casing 14
It is provided with louvre 19, described dividing plate 16 offers some through holes 20, the shape of cross section of described through hole 20
For circle.
These are only the preferred embodiment of the present invention, it is intended to embody prominent technique effect and the advantage of the present invention,
It it is not the restriction to technical scheme.Those skilled in the art will appreciate that all based on
Amendment, change or the substitute technology feature that the technology of the present invention content is made, all should be covered by institute of the present invention
In the technology category that attached claim is advocated.
Claims (7)
1. small power station's voltage on-line monitoring device, it is characterised in that: include monitoring host computer (1), to little water
The monitoring extension set (2) that electricity electric energy monitors in real time, described monitoring host computer (1) and monitoring extension set (2)
Carrying out communication by network, described monitoring extension set (2) includes the data gathering small power station's electrical energy parameter
The data that harvester (3), the data collecting data acquisition unit (3) process process
Device (4), control small power station be switched on or switched off with electrical network control device (5), small power station is carried out
The protection device (6) of protection;Described data acquisition unit (3) and data processing equipment (4) communication,
Described data processing equipment (4) and control device (5) communication, described control device (5) and guarantor
Protection unit (6) communication;Described monitoring extension set (2) also includes alarm device (7), described dress of reporting to the police
Put (7) and data processing equipment (4) communication;Described monitoring extension set (2) also includes timer (8),
Described timer (8) respectively with control device (5), data processing equipment (4) communication, and report
Alarm device (7) time of fire alarming reaches timer (8) rated value timed unit (5) by small power station
Disconnect with electrical network.
A kind of small power station the most according to claim 1 voltage on-line monitoring device, it is characterised in that: described
Small power station include compensate circuit (9), described compensation circuit (9) by control device (5) control its with
Small power station is switched on or switched off, and described compensation circuit (9) is capacitor compensating circuit.
A kind of small power station the most according to claim 1 voltage on-line monitoring device, it is characterised in that: described
Monitoring extension set (2) also includes display (10), described display (10) and data processing equipment (4)
Communication.
A kind of small power station the most according to claim 1 voltage on-line monitoring device, it is characterised in that: described
Alarm device (7) includes voice guard (11) and light alarm apparatus (12);Described monitoring extension set
(2) also include storing device (13), described storage device (13) and data processing equipment (4)
Communication.
A kind of small power station the most according to claim 3 voltage on-line monitoring device, it is characterised in that: described
Monitoring extension set (2) includes casing (14), described data processing equipment (4), data acquisition unit (3),
Control device (5), protection device (6) is both secured in casing (14), described alarm device (7)
It is fixed on casing (14), is welded with in described casing (14) and casing (14) is separated out some
The dividing plate (16) of individual placed cavity (15);Described display (10) is fixed on casing (14) by support
In, described display (10) is fixed by screws on support, and described support is fixed by screws in
On dividing plate (16).
A kind of small power station the most according to claim 5 voltage on-line monitoring device, it is characterised in that: described
Casing (14) includes chamber door (17), and described chamber door (17) offers observation display (10)
Observation panel (18), described chamber door (17) is fixed with close observation panel (18) lamella lucida,
Described lamella lucida is fixed by screws on chamber door (17).
A kind of small power station the most according to claim 6 voltage on-line monitoring device, it is characterised in that: described
Being further opened with louvre (19) on casing (14), described dividing plate offers some through holes on (16)
(20), the shape of cross section of described through hole (20) is circular.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610261561.6A CN105932771A (en) | 2016-04-22 | 2016-04-22 | Small-hydropower-station voltage on-line monitoring device |
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CN201610261561.6A CN105932771A (en) | 2016-04-22 | 2016-04-22 | Small-hydropower-station voltage on-line monitoring device |
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CN201610261561.6A Pending CN105932771A (en) | 2016-04-22 | 2016-04-22 | Small-hydropower-station voltage on-line monitoring device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108508829A (en) * | 2018-05-23 | 2018-09-07 | 广东电网有限责任公司 | Crush-cutting machine real time and on line monitoring system is crossed by a kind of small power station based on mobile Internet |
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Application publication date: 20160907 |