CN209963763U - Low-voltage reactive power compensation device - Google Patents
Low-voltage reactive power compensation device Download PDFInfo
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- CN209963763U CN209963763U CN201920338523.5U CN201920338523U CN209963763U CN 209963763 U CN209963763 U CN 209963763U CN 201920338523 U CN201920338523 U CN 201920338523U CN 209963763 U CN209963763 U CN 209963763U
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- cabinet body
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- reactive power
- compensation device
- power compensation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The utility model provides a low-voltage reactive power compensation device, which comprises a cabinet body, a capacitor and a reactor, wherein the capacitor and the reactor are arranged in the cabinet body; the low-voltage reactive compensation cabinet also comprises a heat radiation fan connected with the control panel, and the heat radiation fan is arranged at the top of the cabinet body; control panel can set for start temperature and closing temperature respectively and detect the internal temperature value of cabinet, when the internal temperature of cabinet is higher than start temperature, control panel opens cooling blower does the cabinet body heat dissipation. When the temperature in the cabinet body is higher than the closing temperature, the temperature in the cabinet body is overheated to influence the capacitor and the reactor, and the control panel stops current to be led into the capacitor and the reactor.
Description
Technical Field
The utility model relates to a low pressure electric energy quality treatment equipment technical field especially relates to a low pressure reactive power compensator.
Background
The capacitor and the reactor in the existing low-voltage reactive power compensation device are randomly placed, and the service life of the capacitor is seriously influenced. Meanwhile, the cooling system in the device is not enough adjusted, the starting temperature of the cooling system cannot be adjusted in time according to the environmental temperature, the service life of the cooling fan is influenced, and the damage speed of the capacitor is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that capacitor mounted position and quick-witted incasement portion heat dissipation influence condenser life among the prior art, the utility model provides a can adjust heat dissipation temperature, capacitor mounted position can slow down the low pressure reactive power compensator of condenser loss speed.
The utility model discloses a following technical scheme realizes:
a low-voltage reactive power compensation device comprises a cabinet body, and a capacitor and a reactor which are arranged in the cabinet body, and is characterized in that the front end of the cabinet body comprises a control panel, the capacitor is arranged at the rear side of the interior of the cabinet body, and the reactor is arranged in the middle of the interior of the cabinet body; the low-voltage reactive compensation cabinet comprises a heat radiation fan connected with the control panel, and the heat radiation fan is arranged at the top of the cabinet body; the control panel is used for setting a starting temperature and detecting the internal temperature of the cabinet, and when the internal temperature of the cabinet is higher than the starting temperature set by the control panel, the control panel opens the heat dissipation fan to dissipate heat of the cabinet body.
Furthermore, the low-voltage reactive power compensation device comprises a plurality of detection points, and the control panel is connected with the detection points and detects the temperature inside the cabinet body through the detection points.
Further, the low-voltage reactive power compensation device sets a starting temperature through the control panel; when the temperature of the interior of the detection cabinet body at any one detection point is higher than the starting temperature, the control panel starts the heat radiation fan to radiate heat for the cabinet body.
Further, the low-voltage reactive power compensation device comprises a main switch, and the main switch can turn on or off the low-voltage reactive power compensation device; the low-voltage reactive power compensation device sets a closing temperature through the control panel; when the temperature in any detection point detection cabinet body is higher than the closing temperature, the control panel closes the low-voltage reactive power compensation device through the main switch.
Further, the cabinet body comprises a front plate and a bottom plate; the bottom plate is positioned at the bottom of the cabinet body, and the front plate is positioned at the front side of the cabinet body and below the control panel; both the lower side of the front plate and the bottom plate comprise vent holes; the air enters the cabinet body through the ventilation holes, and is discharged by the heat radiation fan after the cabinet body, so that the heat is radiated inside the cabinet body.
Further, the low-voltage reactive power compensation device comprises an alternating current contactor, the alternating current contactor is located on the front side inside the cabinet body, and current is input or output to the low-voltage reactive power compensation device through the alternating current contactor.
Further, the low-voltage reactive power compensation device comprises a fuse, and the fuse is installed on the front side inside the cabinet body; when a short circuit occurs in a circuit where the fuse is located, the fuse blows to break the circuit where the fuse is located.
The beneficial effects of the utility model reside in that:
the utility model is provided with the control panel connected with the heat radiation fan, a user can set the starting temperature of the heat radiation fan through the control panel, when the temperature in the cabinet body exceeds the starting temperature, the heat radiation fan is opened through the control panel to radiate heat in the cabinet body, and the function of adjusting the starting temperature of the heat radiation fan according to the use environment of the low-voltage reactive power compensation device is realized;
the heat dissipation fan is positioned at the top of the cabinet body, and air flows from bottom to top in the cabinet body, so that hot air in the cabinet body can be quickly discharged, and the heat dissipation fan can conveniently dissipate heat in the cabinet body;
the utility model discloses separately install condenser and reactor, prevent that the heat that reactor work produced from rising the temperature of condenser, increase the life of condenser, reduce the influence of reactor to the condenser.
Drawings
Fig. 1 is a schematic perspective view of a low-voltage reactive power compensation device according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a low-voltage reactive power compensation device according to the present invention;
fig. 3 is a schematic diagram of a bottom plate structure of the low-voltage reactive power compensation device of the present invention.
Detailed Description
For a more clear and complete description of the technical solution of the present invention, the following description is made with reference to the accompanying drawings.
Referring to fig. 1 to 3, the low voltage reactive power compensation device of the present invention includes a cabinet 1 and a circuit structure formed by a plurality of components, where the components forming the circuit structure include: main switch 4, ac contactor 53, fuse 54, capacitor 51, reactor 52. Be located that cabinet body 1 is preceding the top and be provided with control panel 3, cabinet body 1 upper end is provided with cooling fan 2, and control panel 3 and cooling fan 2 all insert in the circuit structure.
In this embodiment, the heat dissipation fan 2 is installed at the top of the cabinet 1. When the cabinet body 1 is inside to produce heat, the inside hot-air of the cabinet body 1 can rise and concentrate on the top in the cabinet body 1, and heat dissipation fan 2 installs the inside hot-air of the discharge cabinet body 1 that can be faster at the top of the cabinet body 1, and the radiating effect is obvious.
The utility model provides a main switch 4 is used for opening or closing low pressure reactive power compensator.
The ac contactor 53 and the fuse 54 in the utility model are installed in the front side of the cabinet body 1; an external cable may be connected to ac contactor 53 and to electrical contacts on ac contactor 53, and current may be connected to or from the low voltage reactive power compensation device through ac contactor 53.
The fuse 54 is connected to the circuit structure of the low-voltage reactive power compensation device, and when the current passing through the fuse 54 exceeds the rated current of the fuse 54, the fuse 54 is heated and fused, so that the circuit structure is broken. The fuse 54 may protect the circuit structure in the event of a short circuit problem in the circuit structure.
The utility model provides an among the low pressure reactive power compensator, the internal portion of cabinet 1 distributes the multilayer holding unit from top to bottom, condenser 51 with reactor 52 is installed in a plurality of holding units. Wherein the capacitor 51 is installed at the rear side of the inside of the plurality of housing units collectively, and the reactor 52 is installed at the middle side of the plurality of housing units collectively.
The utility model discloses a concentrate installation respectively with condenser 51 and reactor 52. The capacitor 51 and the reactor 52 are installed at the rear side inside the cabinet 1 and at the middle inside the cabinet 1, respectively, such that the capacitor 51 is away from the reactor 52. In the low-voltage reactive power compensation device, the reactor 52 is supplied with current to generate heat, and if the reactor 52 and the capacitor 51 are installed dispersedly, the reactor 52 generates heat to raise the temperature of the capacitor 51, so that the service life of the capacitor 51 is reduced. The utility model discloses well condenser 51 keeps away from reactor 52, reduces the influence that reactor 52 generates heat to condenser 51 in the use, prolongs condenser 51's life.
The control panel 3 is connected with the heat radiation fan 2, and the heat radiation fan 2 is arranged at the top of the cabinet body 1; the control panel 3 is used for setting a starting temperature and detecting the temperature in the cabinet body 1, and when the temperature in the cabinet body 1 is higher than the starting temperature set by the control panel 3, the control panel 3 opens the heat dissipation fan 2 to dissipate heat of the cabinet body 1.
The utility model provides a low pressure reactive power compensator sets for cooling fan 2's starting temperature through control panel 3. The user can be based on the ambient temperature of low pressure reactive power compensator position adjusts cooling fan 2's starting temperature, makes cooling fan 2 can in time dispel the heat to the inside of the cabinet body 1, prevents that the electric capacity is overheated impaired, ensures that the component in the circuit structure can normally work, improves condenser 51 and circuit structure component's life.
The low-voltage reactive power compensation device comprises a plurality of detection points connected with the control panel 3, and the control panel 3 detects the temperature inside the cabinet body 1 through the detection points; when the temperature in any one detection point detection cabinet body 1 is higher than the starting temperature set by the control panel 3, the control panel 3 starts the heat radiation fan 2 to radiate heat for the cabinet body 1.
The detection points are respectively arranged at different positions inside the cabinet body 1, and the detection points respectively and independently detect the installation positions through different positions, so that the damage to circuit structural elements caused by overhigh local temperature inside the cabinet body 1 is prevented. When the temperature is detected at any detection point to be too high, the heat dissipation fan 2 is started to dissipate heat inside the cabinet body 1, and the heat dissipation effect of the cabinet body 1 is effectively guaranteed.
The control panel 3 may also be set to a shutdown temperature, which is higher than the start-up temperature. The shutdown temperature is to prevent the capacitor 51 or components within the circuit structure from being damaged by the excessive heat inside the cabinet 1. When the heat dissipation fan 2 can not dissipate heat inside the cabinet body 1 in time, the temperature inside the cabinet body 1 can rise along with time. When the temperature rises from the starting temperature to the closing temperature, the control panel 3 closes the low-voltage reactive power compensation device through the main switch 4 when detecting that the temperature in the cabinet body 1 reaches the closing temperature, and stops the capacitor 51 and the reactor 52 from being connected with current to work, so that the capacitor 51 and the reactor 52 are cooled, the influence or damage of the overhigh temperature in the cabinet body 1 on elements in a circuit structure is prevented, and the working stability and safety of the low-voltage reactive power compensation device are ensured.
The front of the cabinet body 1 is provided with two plates which respectively seal the upper front surface of the cabinet body 1 and the lower front surface of the cabinet body 1, the upper front surface of the cabinet body 1 is provided with a control panel 3, and the front surface of the cabinet body 1 and the lower part of the control panel 3 are provided with a front plate 6. The bottom side of the cabinet body 1 is also sealed with a bottom plate 7. The lower side of the front plate 6 and the bottom plate 7 are distributed with vent holes 8 for air to flow into the cabinet body 1; when the cooling fan 2 is opened, gas enters the cabinet body 1 through the vent hole 8 and is discharged from the cooling fan 2 on the top end of the cabinet body 1 through the inside of the cabinet body 1. When the air passes through the cabinet body 1, the air dissipates heat for the circuit structural elements inside the cabinet body 1.
Of course, the present invention can also have other various embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative work, and all of them belong to the protection scope of the present invention.
Claims (7)
1. A low-voltage reactive power compensation device comprises a cabinet body, and a capacitor and a reactor which are arranged in the cabinet body, and is characterized in that the front end of the cabinet body comprises a control panel, the capacitor is arranged at the rear side of the interior of the cabinet body, and the reactor is arranged in the middle of the interior of the cabinet body;
the low-voltage reactive compensation cabinet comprises a heat radiation fan connected with the control panel, and the heat radiation fan is arranged at the top of the cabinet body; the control panel is used for setting a starting temperature and detecting the internal temperature of the cabinet, and when the internal temperature of the cabinet is higher than the starting temperature set by the control panel, the control panel opens the heat dissipation fan to dissipate heat of the cabinet body.
2. The low-voltage reactive power compensation device according to claim 1, wherein the low-voltage reactive power compensation device comprises a plurality of detection points, and the control panel is connected with the plurality of detection points and detects the temperature inside the cabinet through the detection points.
3. The low-voltage reactive power compensation device according to claim 2, wherein the low-voltage reactive power compensation device sets a start-up temperature through the control panel;
when the temperature of the interior of the detection cabinet body at any one detection point is higher than the starting temperature, the control panel starts the heat radiation fan to radiate heat for the cabinet body.
4. The low-voltage reactive power compensation device according to claim 2, wherein the low-voltage reactive power compensation device comprises a main switch, and the main switch can turn on or off the low-voltage reactive power compensation device;
the low-voltage reactive power compensation device sets a closing temperature through the control panel;
when the temperature in any detection point detection cabinet body is higher than the closing temperature, the control panel closes the low-voltage reactive power compensation device through the main switch.
5. The low-voltage reactive power compensation device according to claim 1, wherein the cabinet body comprises a front plate and a bottom plate; the bottom plate is positioned at the bottom of the cabinet body, and the front plate is positioned at the front side of the cabinet body and below the control panel;
both the lower side of the front plate and the bottom plate comprise vent holes; the air enters the cabinet body through the ventilation holes, and is discharged by the heat radiation fan after the cabinet body, so that the heat is radiated inside the cabinet body.
6. The low-voltage reactive power compensation device according to claim 1, wherein the low-voltage reactive power compensation device comprises an ac contactor, the ac contactor is located on the front side inside the cabinet body, and current is input into or output from the low-voltage reactive power compensation device through the ac contactor.
7. The low-voltage reactive power compensation device according to claim 1, wherein the low-voltage reactive power compensation device comprises a fuse, and the fuse is mounted on the front side inside the cabinet body;
when a short circuit occurs in a circuit where the fuse is located, the fuse blows to break the circuit where the fuse is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338523.5U CN209963763U (en) | 2019-03-15 | 2019-03-15 | Low-voltage reactive power compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920338523.5U CN209963763U (en) | 2019-03-15 | 2019-03-15 | Low-voltage reactive power compensation device |
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| CN209963763U true CN209963763U (en) | 2020-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920338523.5U Active CN209963763U (en) | 2019-03-15 | 2019-03-15 | Low-voltage reactive power compensation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342473A (en) * | 2020-03-03 | 2020-06-26 | 国网江西省电力有限公司电力科学研究院 | Self-adaptive temperature control method for high-voltage chain type STATCOM power module |
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2019
- 2019-03-15 CN CN201920338523.5U patent/CN209963763U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342473A (en) * | 2020-03-03 | 2020-06-26 | 国网江西省电力有限公司电力科学研究院 | Self-adaptive temperature control method for high-voltage chain type STATCOM power module |
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