CN208922139U - The frequency converting temperature control device of static reactive generator SVG - Google Patents
The frequency converting temperature control device of static reactive generator SVG Download PDFInfo
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- CN208922139U CN208922139U CN201821760177.1U CN201821760177U CN208922139U CN 208922139 U CN208922139 U CN 208922139U CN 201821760177 U CN201821760177 U CN 201821760177U CN 208922139 U CN208922139 U CN 208922139U
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Abstract
The frequency converting temperature control device of static reactive generator SVG a kind of is provided, including SVG cabinet body, SVG interior of the cabinet is equipped with SVG Body Controller system and blower, SVG interior of the cabinet is equipped with frequency-variable controller, frequency-variable controller input terminal is electrically connected with SVG Body Controller system, it is connected at the electric power incoming line of frequency-variable controller output end and blower, control of the SVG Body Controller system according to the output frequency and realization of SVG internal element temperature and SVG output power size information control frequency-variable controller to rotation speed of fan.The utility model installs frequency-variable controller additional in static reactive generator SVG, under temperature is lower outdoors and the lesser operating condition of SVG output power, adjustable blower output frequency, as device temperature gradually rises, rotation speed of fan is gradually increased, and device temperature reduces, and rotation speed of fan reduces, with temperature real-time control rotation speed of fan, equipment operation energy consumption is reduced.
Description
Technical field
A kind of the utility model category static reactive generator technical field, and in particular to change of static reactive generator SVG
Frequency temperature control equipment.
Background technique
The running wastage of extensive application with SVG in market, SVG also results in the attention of user.At present due to SVG wind
Machine power is very big, while can not be controlled according to reality output capacity and cell temperature blower, and equipment is caused to hold in very little
When amount operation, blower also oepration at full load wastes electric energy.Usual high pressure SVG product is by the way of forced air cooling to power list
Member radiates, such as 35kV direct hanging type SVG, and cooling fan is 9 Tai Shiyiluo, 500 blower, and single power of fan is about
1.5kW, 9 general powers are 13.5kW, and daily total power consumption is about 324 degree, are monthly calculated as 9720 degree of electricity according to 30 days.9 typhoons
The Type Selection Principle of machine be according to 40 degree of outdoor temperature, the Demand Design of full power long-play, actually in normal use
In the process, outdoor temperature reaches 40 degree of the annual number of days of operating condition probably 1/12 or so, and photovoltaic plant SVG Operation at full power
Period it is relatively limited, therefore the surplus of Fan Selection is too big, is actually the waste of electric energy to user.It is therefore desirable to mention
It improves out.
Utility model content
The technical problem solved by the utility model is:to provide the frequency converting temperature control device of static reactive generator SVG a kind of,
The utility model installs frequency-variable controller additional in static reactive generator SVG, and temperature is lower outdoors and SVG output power is smaller
Operating condition under, adjustable blower output frequency, as device temperature gradually rises, rotation speed of fan is gradually increased, device temperature
It reduces, rotation speed of fan reduces, and with temperature real-time control rotation speed of fan, reduces equipment operation energy consumption.
The technical solution adopted in the utility model: the frequency converting temperature control device of static reactive generator SVG, including SVG
Cabinet body, the SVG interior of the cabinet are equipped with SVG Body Controller system and blower, and the SVG interior of the cabinet is equipped with frequency control
Device, the frequency-variable controller input terminal are electrically connected with SVG Body Controller system, the frequency-variable controller output end and blower
It is connected at electric power incoming line, is provided with frequency conversion contactor, the SVG ontology control on the connection circuit of the frequency-variable controller and blower
Device system processed controls the output frequency and reality of frequency-variable controller according to SVG internal element temperature and SVG output power size information
Now to the control of rotation speed of fan, power frequency contact is connected in parallel in the connection line of the frequency-variable controller and frequency conversion contactor
Device.
Above-mentioned technical proposal is further limited, the capacity of the frequency-variable controller is selected according to fan capacity,
And there are certain surplus, the frequency-variable controller is connect by 485 buses with SVG Body Controller system.
Above-mentioned technical proposal is further limited, the SVG interior of the cabinet, which is equipped with, carries out in fact SVG internal unit temperature
When the temperature sensor that monitors, the temperature sensor is electrically connected with SVG Body Controller system, and the SVG interior of the cabinet is set
Faulty alarm system, the failure warning system are electrically connected with SVG Body Controller system.
Above-mentioned technical proposal is further limited, the front stage circuits of the frequency-variable controller, which are equipped with, to be spaced apart.
The utility model compared with prior art the advantages of:
1, this programme installs frequency-variable controller additional in static reactive generator SVG, and temperature is lower outdoors and SVG output power
Under lesser operating condition, adjustable blower output frequency, as device temperature gradually rises, rotation speed of fan is gradually increased, equipment
Temperature reduces, and rotation speed of fan reduces, and with temperature real-time control rotation speed of fan, reduces equipment operation energy consumption；
2, this programme is connected in parallel to power frequency contactor in the connection line of frequency-variable controller and frequency conversion contactor, if
Frequency-variable controller break down, or with this body communication of SVG disconnect when, SVG Body Controller system can control power frequency contactor
Investment, frequency conversion contactor disengage, and guarantee the normal operation of blower；
3, it is spaced apart in this programme in the setting of frequency-variable controller prime, can be in the case where external constantly electricity, disconnection is spaced apart
Realize that the maintenance to frequency-variable controller is replaced.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the structural schematic diagram of the utility model.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the attached drawing 1-2 in embodiment,
Technical solution in embodiment is clearly and completely described, it is clear that described embodiment is only that the application a part is real
Apply example, rather than whole embodiments.Based on the embodiment provided, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained, shall fall in the protection scope of this application.
The frequency converting temperature control device of static reactive generator SVG, as shown in Figure 1, including SVG cabinet body 1, the SVG cabinet
SVG Body Controller system 2 and blower 3 are equipped with inside body 1, be equipped with inside the SVG cabinet body 1 to SVG internal unit temperature into
The temperature sensor 8 of row real-time monitoring, the temperature sensor 8 are electrically connected with SVG Body Controller system 2, the SVG cabinet body
1 inside is equipped with failure warning system 9, and the failure warning system 9 is electrically connected with SVG Body Controller system 2.The SVG cabinet
Frequency-variable controller 4 is equipped with inside body 1.Original SVG cabinet body structure optimized, as shown in Fig. 2, by SVG cabinet body 1 every
Pass 10, charging contactor 12 are left, the components such as resistance 11 is filled and is all arranged in 1 top of SVG cabinet body, after making full use of optimization
The space of SVG cabinet body 1, rational deployment install frequency-variable controller 4.The frequency-variable controller 4 passes through 485 buses and the control of SVG ontology
Device system 2 processed connects, and SVG Body Controller system 2 sends frequency instruction to frequency-variable controller 4, and reads frequency control
The operating status of device 4；It is connect at 4 output end of frequency-variable controller and the electric power incoming line of blower 3, the appearance of the converter unit 4
Amount is selected according to 3 capacity of blower, and there are certain surpluses.The control program for modifying SVG Body Controller system 2, in journey
Temperature parameter is added in sequence to be arranged in 25-40 DEG C of section to Fan Equipment progress frequency control, SVG Body Controller system
System 2 is according to the output frequency of SVG internal element temperature and SVG output power size information control frequency-variable controller 4 and realization pair
The control of 3 revolving speed of blower, as device temperature gradually rises, 3 revolving speed of blower is gradually increased, and device temperature reduces, 3 revolving speed of blower
Reduce.The utility model installs frequency-variable controller 4 additional, and temperature is lower under the lesser operating condition of SVG output power outdoors, can adjust
Blower output frequency is saved, with temperature real-time control rotation speed of fan, equipment operation energy consumption is reduced, as SVG conventional operation power is
2Mvar is hereinafter, the electricity loss of blower 3 can be reduced to original 10% or so.
It is as follows that the utility model controls frequency:
In 0-25% power, lower-frequency limit 15Hz, upper frequency limit 50Hz.
In 25-50% power, lower-frequency limit 15Hz, upper frequency limit 50Hz.
In 50-75% power, lower-frequency limit 20Hz, upper frequency limit 50Hz.
In 75-100% power, lower-frequency limit 20Hz, upper frequency limit 50Hz.
Frequency conversion contactor 5,4 He of frequency-variable controller are provided on the frequency-variable controller 4 and the connection circuit of blower 3
Power frequency contactor 6 is connected in parallel in the connection line of frequency conversion contactor 5, if frequency-variable controller 4 breaks down, Huo Zheyu
When this body communication of SVG disconnects, SVG Body Controller system 2 can control the investment of power frequency contactor 6, and frequency conversion contactor disengages, and guarantee
The normal operation of blower 3.The front stage circuits of the frequency-variable controller 4, which are equipped with, is spaced apart 7, can be in the situation of external constantly electricity
Under, disconnect the maintenance replacement that frequency-variable controller 4 is realized after being spaced apart 7.
Above-described embodiment, the only preferred embodiment of the utility model are not used to limit the utility model practical range,
Therefore all equivalence changes done with content described in the utility model claims, the utility model claims model should all be included in
Within enclosing.
Claims (4)
1. the frequency converting temperature control device of static reactive generator SVG, including SVG cabinet body (1), the SVG cabinet body (1) is internal to be set
There are SVG Body Controller system (2) and blower (3), it is characterised in that: frequency-variable controller is equipped with inside the SVG cabinet body (1)
(4), frequency-variable controller (4) input terminal is electrically connected with SVG Body Controller system (2), frequency-variable controller (4) output
It holds and is connect at the electric power incoming line of blower (3), be provided with frequency conversion on the connection circuit of the frequency-variable controller (4) and blower (3)
Contactor (5), the SVG Body Controller system (2) is according to SVG internal element temperature and SVG output power size information control
Control of the output frequency and realization of frequency-variable controller (4) processed to blower (3) revolving speed, the frequency-variable controller (4) and frequency conversion connect
Power frequency contactor (6) are connected in parallel in the connection line of tentaculum (5).
2. the frequency converting temperature control device of static reactive generator SVG according to claim 1, it is characterised in that: described
The capacity of frequency-variable controller (4) is selected according to blower (3) capacity, and there are certain surplus, the frequency-variable controller (4) is logical
485 buses are crossed to connect with SVG Body Controller system (2).
3. the frequency converting temperature control device of static reactive generator SVG according to claim 1, it is characterised in that: described
The temperature sensor (8) that real-time monitoring is carried out to SVG internal unit temperature, the temperature sensor are equipped with inside SVG cabinet body (1)
(8) it is electrically connected with SVG Body Controller system (2), is equipped with failure warning system (9) inside the SVG cabinet body (1), the event
Barrier alarm system (9) is electrically connected with SVG Body Controller system (2).
4. the frequency converting temperature control device of static reactive generator SVG according to claim 1, it is characterised in that: described
The front stage circuits of frequency-variable controller (4), which are equipped with, is spaced apart (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760177.1U CN208922139U (en) | 2018-10-29 | 2018-10-29 | The frequency converting temperature control device of static reactive generator SVG |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821760177.1U CN208922139U (en) | 2018-10-29 | 2018-10-29 | The frequency converting temperature control device of static reactive generator SVG |
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| Publication Number | Publication Date |
|---|---|
| CN208922139U true CN208922139U (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821760177.1U Active CN208922139U (en) | 2018-10-29 | 2018-10-29 | The frequency converting temperature control device of static reactive generator SVG |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810645A (en) * | 2022-03-30 | 2022-07-29 | 苏州协鑫新能源运营科技有限公司 | Method for improving operation mode of SVG (static var generator) cooling fan of photovoltaic power station |
-
2018
- 2018-10-29 CN CN201821760177.1U patent/CN208922139U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810645A (en) * | 2022-03-30 | 2022-07-29 | 苏州协鑫新能源运营科技有限公司 | Method for improving operation mode of SVG (static var generator) cooling fan of photovoltaic power station |
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