CN203722242U - High-voltage parallel capacitor device - Google Patents
High-voltage parallel capacitor device Download PDFInfo
- Publication number
- CN203722242U CN203722242U CN201420061990.5U CN201420061990U CN203722242U CN 203722242 U CN203722242 U CN 203722242U CN 201420061990 U CN201420061990 U CN 201420061990U CN 203722242 U CN203722242 U CN 203722242U
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- China
- Prior art keywords
- capacitor
- voltage
- power factor
- vacuum contactor
- control bus
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- Expired - Fee Related
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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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- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a high-voltage parallel capacitor device and aims to provide a high-voltage parallel capacitor device which enables the voltage and current situation to be known timely and measures to be taken timely. The high-voltage parallel capacitor device comprises a control bus, a capacitor wire incoming cabinet and a plurality of capacitor banks. The capacitor wire incoming cabinet and the capacitor banks are connected with the control bus. The capacitor banks are connected in parallel. The capacitor wire incoming cabinet includes an isolating switch and a power factor controller. The control bus, the isolating switch and the power factor controller are sequentially connected. A vacuum contactor is arranged on each of the capacitor banks. The power factor controller is connected with the vacuum contactors. The high-voltage parallel capacitor device has the following beneficial effects: the voltage and current situation can be known timely, measures can be taken timely, the safety performance is high, fault expansion can be effectively prevented, maintenance can be carried out by operating personnel in a timely mode, and the operation is fast and convenient.
Description
Technical field
The utility model relates to capacitor correlative technology field, refers in particular to high-voltage parallel capacitor device.
Background technology
Capacitor installation carries out reactive power compensation for high-voltage fence electric power system, to improve the power factor of electrical network, reduces the loss of supply transformer and conveying circuit, improves power supplying efficiency, improves power supply environment.At present; capacitor installation is generally only just provided with fuse; with this, capacitor installation is protected; design can only be worked as this capacitor internal while having part series block to puncture like this; fuse just can move; this fault capacitor, rapidly from the excision of capacitor group, is effectively prevented to fault expands.And for the electric current and voltage situation in capacitor installation, can not well monitor, generally only carry out the caused switching overvoltage of limiting capacitance device group by lightning arrester, design exists the hidden danger of bringing because of the undesired of electric current and voltage like this, can not find timely simultaneously, thereby increase the potential safety hazard of capacitor installation.
Utility model content
The utility model is in order to overcome the above-mentioned weak point of mentioning, and a kind of high-voltage parallel capacitor device that can understand in time electric current and voltage situation and take measures is in time provided.
To achieve these goals, the utility model is by the following technical solutions:
High-voltage parallel capacitor device, comprise control bus, electric capacity incoming line cabinet and some capacitor groups, described electric capacity incoming line cabinet is all connected control bus with capacitor group, described capacitor group is parallel with one another, described electric capacity incoming line cabinet comprises isolating switch and power factor controller, described control bus, isolating switch and power factor controller are connected successively, and described capacitor group is provided with vacuum contactor, and described power factor controller connects vacuum contactor.
Isolating switch can ensure the safety of maintainer and equipment in use, this device is by using power factor controller to reach the Real-Time Monitoring of voltage and current, then control vacuum contactor by power factor controller, in the time there is unusual condition in data, can cut off timely vacuum contactor by power factor controller, the operating state of each capacitor group can be understood timely and problematic capacitor group can be cut off timely, make operating personnel to take measures timely to fix a breakdown, design has reached the object that can understand in time electric current and voltage situation and take measures in time like this.
As preferably, described capacitor group comprises vacuum contactor, current transformer, zinc oxide arrester, series reactor, discharge coil and shunt capacitor, described control bus, vacuum contactor, series reactor and discharge coil are connected successively, described current transformer is placed between vacuum contactor and series reactor, described zinc oxide arrester one end ground connection, the other end is connected on the tie point of vacuum contactor and series reactor, and described shunt capacitor is in parallel with discharge coil.Can improve the security performance of whole capacitor group by the triplicity of vacuum contactor, zinc oxide arrester and discharge coil, simultaneously current transformer can detect the situation of electric current in real time, so as operating personnel can be timely the working condition of electrolysis condenser group.
As preferably, described capacitor group also comprises fuse, and described fuse is in parallel with discharge coil after connecting with shunt capacitor.Action by fuse can be excised the capacitor breaking down rapidly, effectively prevents that fault from expanding.
As preferably, described electric capacity incoming line cabinet also comprises voltage sensor, and described voltage sensor is connected between isolating switch and power factor controller.Detect in real time the situation of voltage by voltage sensor, so as operating personnel can be timely the working condition of electrolysis condenser group.
The beneficial effects of the utility model are: can understand in time electric current and voltage situation, and can take measures in time, security performance is high, can effectively prevent that fault from expanding, and convenient operation personnel safeguard timely, convenient to operation.
Brief description of the drawings
Fig. 1 is circuit structure diagram of the present utility model.
In figure: 1. control bus, 2. electric capacity incoming line cabinet, 3. capacitor group, 4. isolating switch, 5. voltage sensor, 6. power factor controller, 7. vacuum contactor, 8. current transformer, 9. zinc oxide arrester, 10. series reactor, 11. fuses, 12. shunt capacitors, 13. discharge coils.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
In embodiment as described in Figure 1, high-voltage parallel capacitor device, comprise control bus 1, electric capacity incoming line cabinet 2 and three capacitor groups 3, electric capacity incoming line cabinet 2 is all connected control bus 1 with capacitor group 3, capacitor group 3 is parallel with one another, electric capacity incoming line cabinet 2 comprises isolating switch 4, voltage sensor 5 and power factor controller 6, control bus 1, isolating switch 4, voltage sensor 5 and power factor controller 6 are connected successively, capacitor group 3 is provided with vacuum contactor 7, and power factor controller 6 connects vacuum contactor 7.Wherein: capacitor group 3 comprises vacuum contactor 7, current transformer 8, zinc oxide arrester 9, series reactor 10, discharge coil 13, fuse 11 and shunt capacitor 12, control bus 1, vacuum contactor 7, series reactor 10 and discharge coil 13 are connected successively, current transformer 8 is placed between vacuum contactor 7 and series reactor 10, zinc oxide arrester 9 one end ground connection, the other end is connected on the tie point of vacuum contactor 7 and series reactor 10, and fuse 11 is in parallel with discharge coil 13 after connecting with shunt capacitor 12.
Isolating switch 4 can ensure the safety of maintainer and equipment in use, this device is by using power factor controller 6 to reach the Real-Time Monitoring of voltage and current, then control the vacuum contactor 7 of three capacitor groups 3 by power factor controller 6, in the time there is unusual condition in data, can cut off timely vacuum contactor 7 by power factor controller 6, can understand timely the operating state of each capacitor group 3 and can cut off timely problematic capacitor group 3, making operating personnel to take measures timely to fix a breakdown.Simultaneously, in the time that independent capacitor group 3 goes wrong, triplicity by zinc oxide arrester 9, fuse 11 and discharge coil 13 can be excised the capacitor breaking down rapidly, effectively prevents the expansion of fault, improves the security performance of whole capacitor group 3.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (4)
1. high-voltage parallel capacitor device, it is characterized in that, comprise control bus (1), electric capacity incoming line cabinet (2) and some capacitor groups (3), described electric capacity incoming line cabinet (2) is all connected control bus (1) with capacitor group (3), described capacitor group (3) is parallel with one another, described electric capacity incoming line cabinet (2) comprises isolating switch (4) and power factor controller (6), described control bus (1), isolating switch (4) is connected successively with power factor controller (6), described capacitor group (3) is provided with vacuum contactor (7), described power factor controller (6) connects vacuum contactor (7).
2. high-voltage parallel capacitor device according to claim 1, it is characterized in that, described capacitor group (3) comprises vacuum contactor (7), current transformer (8), zinc oxide arrester (9), series reactor (10), discharge coil (13) and shunt capacitor (12), described control bus (1), vacuum contactor (7), series reactor (10) is connected successively with discharge coil (13), described current transformer (8) is placed between vacuum contactor (7) and series reactor (10), described zinc oxide arrester (9) one end ground connection, the other end is connected on the tie point of vacuum contactor (7) and series reactor (10), described shunt capacitor (12) is in parallel with discharge coil (13).
3. high-voltage parallel capacitor device according to claim 2, is characterized in that, described capacitor group (3) also comprises fuse (11), and described fuse (11) is in parallel with discharge coil (13) after connecting with shunt capacitor (12).
4. high-voltage parallel capacitor device according to claim 1, is characterized in that, described electric capacity incoming line cabinet (2) also comprises voltage sensor (5), and described voltage sensor (5) is connected between isolating switch (4) and power factor controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061990.5U CN203722242U (en) | 2014-02-11 | 2014-02-11 | High-voltage parallel capacitor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061990.5U CN203722242U (en) | 2014-02-11 | 2014-02-11 | High-voltage parallel capacitor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722242U true CN203722242U (en) | 2014-07-16 |
Family
ID=51161368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061990.5U Expired - Fee Related CN203722242U (en) | 2014-02-11 | 2014-02-11 | High-voltage parallel capacitor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722242U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628573A (en) * | 2020-05-20 | 2020-09-04 | 上海华声电气研究所 | Online measurement structure for reactive capacitance compensation |
-
2014
- 2014-02-11 CN CN201420061990.5U patent/CN203722242U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111628573A (en) * | 2020-05-20 | 2020-09-04 | 上海华声电气研究所 | Online measurement structure for reactive capacitance compensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190211 |