CN106058880A - Series compensation package unit - Google Patents
Series compensation package unit Download PDFInfo
- Publication number
- CN106058880A CN106058880A CN201610476790.XA CN201610476790A CN106058880A CN 106058880 A CN106058880 A CN 106058880A CN 201610476790 A CN201610476790 A CN 201610476790A CN 106058880 A CN106058880 A CN 106058880A
- Authority
- CN
- China
- Prior art keywords
- series
- capacitor bank
- bypass
- isolating switch
- spark gap
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
-
- 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
Abstract
The invention discloses a series compensation package unit which comprises a busbar, a bypass isolating switch QS1, a series isolating switch QS2, a series isolating switch QS3, a metal oxide arrester MOV, a series capacitor bank C, current-limiting damping equipment D, a protective spark gap S and a bypass circuit breaker QF. The busbar is connected between a line side and a switching station side of a power system; the bypass isolating switch QS1 is arranged on the busbar; a series circuit formed by sequentially connecting the series isolating switch QS2, the series capacitor bank C and the series isolating switch QS3 in series is connected in series with the bypass isolating switch QS1; the metal oxide arrester MOV is connected in parallel with the series capacitor bank C; a series circuit consisting of the current-limiting damping equipment D and the protective spark gap S is connected in parallel with the series capacitor bank C; and the bypass circuit breaker QF is connected in parallel with the protective spark gap S. The series compensation package unit achieves the advantage of reducing an equipment fault rate.
Description
Technical field
The present invention relates to field of power, in particular it relates to a kind of series compensation complexes.
Background technology
At present, the scheduled overhaul system that in power system, power equipment uses mostly also exists major defect, as provisional
Maintenance is frequently, maintenance is not enough or maintenance is superfluous, blindly maintenance etc., this make countries in the world every year in terms of maintenance of equipment cost huge
Greatly.And for a long time, China's power system performs periodic inspection system to power equipment, the most planned time cycle is to setting
, thus there is maintenance and excessively and overhaul not enough drawback in standby detection and maintenance.Because of fault at power train unification, often cause
Large-area power failure.And there is the problem that fault rate is higher in existing power equipment.
Summary of the invention
It is an object of the invention to, for the problems referred to above, propose a kind of series compensation complexes, to realize reduction equipment
The advantage of fault rate.
For achieving the above object, the technical solution used in the present invention is:
A kind of series compensation complexes, including, bus, bypass isolating switch QS1, series connection disconnecting switch QS2, series connection are kept apart
Close QS3, metal oxide arrester MOV, series capacitor bank C, current limliting damping device D, protection spark gap S and bypass open circuit
Device QF, described bus is connected between the line side of power system and switchyard side, and described bypass isolating switch QS1 is arranged on mother
On line, the series circuit that described series connection disconnecting switch QS2, series capacitor bank C and series connection disconnecting switch QS3 are sequentially connected in series
Connecting with bypass isolating switch QS1, described metal oxide arrester MOV is in parallel with series capacitor bank C, and described current limliting damps
The series circuit of equipment D and protection spark gap S composition is in parallel with series capacitor bank C, described bypass breaker QF and protection
Spark gap S is in parallel.
Preferably, described series capacitor bank C uses full thin film capacitor.
Preferably, when ambient temperature is 20 DEG C, under specified output, the medium of the capacitor in series capacitor bank C
Loss is less than 0.20W/kvar.
Technical scheme has the advantages that
Technical scheme, by improving series compensation complexes, reduces the purpose of equipment failure rate.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Fig. 1 is the electronic circuitry of the series compensation complexes described in the embodiment of the present invention.
In conjunction with accompanying drawing, in the embodiment of the present invention, reference is as follows:
1-bus；2-line side；3-switchyard side.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred reality described herein
Execute example be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As it is shown in figure 1, a kind of series compensation complexes, including, bus, bypass isolating switch QS1, series connection disconnecting switch
QS2, series connection disconnecting switch QS3, metal oxide arrester MOV, series capacitor bank C, current limliting damping device D, protection spark
Gap S and bypass breaker QF, bus is connected between the line side of power system and switchyard side, bypass isolating switch QS1
Being arranged on bus, described series connection disconnecting switch QS2, series capacitor bank C and series connection disconnecting switch QS3 are sequentially connected in series
Series circuit is connected with bypass isolating switch QS1, and metal oxide arrester MOV is in parallel with series capacitor bank C, and current limliting damps
The series circuit of equipment D and protection spark gap S composition is in parallel with series capacitor bank C, bypass breaker QF and protection spark
Gap S is in parallel.
Preferably, series capacitor bank C uses full thin film capacitor.
Preferably, when ambient temperature is 20 DEG C, under specified output, the medium of the capacitor in series capacitor bank C
Loss is less than 0.20W/kvar.
And the mean field intensity values of capacitor insulation medium is not higher than 57kV/mm.
Current limliting damping device is for limiting the peak-peak discharge current of series capacitor bank so that it is less than capacitor volume
Determine electric current 100 times.
Metal oxide arrester MOV, internal layer uses epoxy glass fiber silk hollow bushing.
Finally it is noted that the foregoing is only the preferred embodiments of the present invention, it is not limited to the present invention,
Although being described in detail the present invention with reference to previous embodiment, for a person skilled in the art, it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent.
All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included in the present invention's
Within protection domain.
Claims (3)
1. series compensation complexes, it is characterised in that include, bus, bypass isolating switch QS1, series connection disconnecting switch
QS2, series connection disconnecting switch QS3, metal oxide arrester MOV, series capacitor bank C, current limliting damping device D, protection spark
Gap S and bypass breaker QF, described bus is connected between the line side of power system and switchyard side, described bypass isolation
Switch QS1 is arranged on bus, and described series connection disconnecting switch QS2, series capacitor bank C and series connection disconnecting switch QS3 are gone here and there successively
The series circuit that joint group becomes is connected with bypass isolating switch QS1, described metal oxide arrester MOV and series capacitor bank C
Parallel connection, the series circuit of described current limliting damping device D and protection spark gap S composition is in parallel with series capacitor bank C, described side
Circuit breaker QF is in parallel with protection spark gap S.
Series compensation complexes the most according to claim 1, it is characterised in that described series capacitor bank C uses complete
Thin film capacitor.
Series compensation complexes the most according to claim 1, it is characterised in that when ambient temperature is 20 DEG C, at volume
Under fixed output, the dielectric loss of the capacitor in series capacitor bank C is less than 0.20W/kvar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476790.XA CN106058880A (en) | 2016-06-27 | 2016-06-27 | Series compensation package unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476790.XA CN106058880A (en) | 2016-06-27 | 2016-06-27 | Series compensation package unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106058880A true CN106058880A (en) | 2016-10-26 |
Family
ID=57165754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610476790.XA Pending CN106058880A (en) | 2016-06-27 | 2016-06-27 | Series compensation package unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106058880A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528201U (en) * | 2009-10-28 | 2010-07-14 | 中国电力工程顾问集团东北电力设计院 | Submersible series capacitor compensation device |
| CN102790387A (en) * | 2012-07-31 | 2012-11-21 | 许继集团有限公司 | Protection device and series compensation system for metal oxide varistor in series compensation |
-
2016
- 2016-06-27 CN CN201610476790.XA patent/CN106058880A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201528201U (en) * | 2009-10-28 | 2010-07-14 | 中国电力工程顾问集团东北电力设计院 | Submersible series capacitor compensation device |
| CN102790387A (en) * | 2012-07-31 | 2012-11-21 | 许继集团有限公司 | Protection device and series compensation system for metal oxide varistor in series compensation |
Non-Patent Citations (1)
| Title |
|---|
| 王磊等: "1000kV串联补偿装置旁路隔离开关操作时开合电压的分析", 《电力电容器与无功补偿》 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |