CN108233341A - A kind of series compensation equipment protective device of parallel-connection structure - Google Patents
A kind of series compensation equipment protective device of parallel-connection structure Download PDFInfo
- Publication number
- CN108233341A CN108233341A CN201611199666.XA CN201611199666A CN108233341A CN 108233341 A CN108233341 A CN 108233341A CN 201611199666 A CN201611199666 A CN 201611199666A CN 108233341 A CN108233341 A CN 108233341A
- Authority
- CN
- China
- Prior art keywords
- series
- pass switch
- parallel
- compensation equipment
- transformer
- 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
- 230000001681 protective effect Effects 0.000 title claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 44
- 239000007787 solid Substances 0.000 claims description 2
- 238000005457 optimization Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
- H02H7/205—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment for controlled semi-conductors which are not included in a specific circuit arrangement
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention proposes a kind of series compensation equipment protective device of parallel-connection structure; brake tube by-pass switch, spark gap and by-pass switch are bridged between series transformer winding terminal; after failure generation, before by-pass switch combined floodgate; reach definite value action when overvoltage, the conducting of brake tube by-pass switch or spark gap occurs in series compensation equipment; series transformer winding is bypassed, overvoltage protection is carried out to equipment.Brake tube by-pass switch, spark gap and the by-pass switch of the protection system cooperate, and carry out harmonious protection to equipment overvoltage, prevent overvoltage stress from continuing to develop, improve the reliability of equipment entirety.
Description
Technical field
The invention belongs to power electronics fields in electric system, and in particular to a kind of series compensation of parallel-connection structure is set
Standby protective device.
Background technology
Static synchronous compensator uses voltage source converter, main electric power electronic component therein, capacitance relative to
The equipment such as transformer, reactor, circuit are to overvoltage quite sensitive.
For the engineering of actual motion, overvoltage is the significant threat of converter valve, the device of valve group, capacitance overvoltage ability
It is limited.The overvoltage of Microsecond grade this may result in the damage of device.For power electronic devices, control circuit or internal fault
Equipment may all be caused to be in charged state, capacitance voltage constantly rises, and ultimately causes the explosion of device overvoltage.To protect other
Partly, it prevents from exploding, reduces the influence to entire valve group and system, need in time failure removal.Mechanical bypass switch moves
The regular hour is needed, charging current may cause voltage further to increase within this time, it is therefore desirable to equipment in addition
Quickly cut off failure.
The alternating current-direct current power network overvoltage that time is extremely short, amplitude is high, generally can not be only such as switching overvoltage, lightning surge
It is protected by protection system, needs to design by rational pressure resistance, such as configuration arrester is prevented.But brake tube bypass is opened
Pass is relatively short with the actuation time of spark gap, therefore, it is necessary to be directed to the advantage and disadvantage of protection system and arrester, formulates a kind of
System is more quickly and effectively protected, overvoltage can be prevented in system disturbance, module failure or alternating current-direct current power network overvoltage
Stress continues to develop, and improves the reliability of transverter.
Invention content
The purpose of the present invention is to provide a kind of series compensation equipment protective device of parallel-connection structure, can ensure equipment
In system disturbance, module failure or alternating current-direct current power network overvoltage, it can reliably act, equipment is protected not receive voltage stress
And it damages.
In order to achieve the above object, solution of the invention is：
A kind of series compensation equipment protective device of parallel-connection structure, the protection system of the series compensation equipment include series connection
Transformer, by-pass switch, spark gap and brake tube by-pass switch,
Brake tube by-pass switch, spark gap and the by-pass switch that configuration bridges at series transformer line side winding both ends,
Three is in parallel；
The safety of series compensation equipment is protected in brake tube by-pass switch, spark gap and by-pass switch cooperation.
As present invention further optimization scheme, when the bridging of the series transformer line side winding both ends of the configuration
When the level of protection of brake tube by-pass switch and spark gap can not protect series compensation equipment, configuration is connected across series transformer
The brake tube by-pass switch and spark gap in parallel at other side winding both ends.
As present invention further optimization scheme, on the side of the other side winding both ends configuration bridgings of the series transformer
Way switch.
As present invention further optimization scheme, the other sides of series transformer using star-star connection mode or
Using delta connection mode.
As present invention further optimization scheme, the other side windings of series transformer use star-star connection mode
When, the series transformer increases balance winding.
As present invention further optimization scheme, the other side windings of series transformer use star-star connection mode
When, neutral-point solid ground or resistance grounded.
As present invention further optimization scheme, when the series transformer includes balance winding, winding two is balanced
The brake tube by-pass switch and spark gap of bridging are not configured for end.
As present invention further optimization scheme, wherein one end of the series transformer balance winding is directly grounded.
As present invention further optimization scheme, the series transformer balance winding at least one end through brake tube by
Way switch is grounded with spark gap.
Beneficial effects of the present invention are to provide a kind of series compensation equipment protective device of parallel-connection structure, can ensure
Equipment can be acted reliably in system disturbance, module failure or alternating current-direct current power network overvoltage, protect equipment not by overvoltage
Stress and damage, so as to improve the reliability of equipment entirety, be suitable for engineer application.
Description of the drawings
Fig. 1 is that (series transformer low-pressure side adds balance using star connection for the protection system of series compensation equipment of the present invention
The mode of connection of winding) structure chart；
Fig. 2 is that (series transformer low-pressure side adds balance using star connection for the protection system of series compensation equipment of the present invention
The mode of connection of winding) structure chart, other side winding both ends configuration bridging spark gaps and thyristor bypass switch；
Fig. 3 is that (series transformer low-pressure side adds balance using star connection for the protection system of series compensation equipment of the present invention
The mode of connection of winding) structure chart, by-pass switch is configured in other side winding both ends；
Fig. 4 be series compensation equipment of the present invention protection system (series transformer low-pressure side use triangle wiring side
Formula) structure chart；
Fig. 5 is balance winding connection mode figure, has one end to be directly grounded；
Fig. 6 is balance winding connection mode figure, and at least one end is grounded through brake tube by-pass switch and spark gap；
Fig. 7 is delta connection mode figure.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
The present invention proposes a kind of series compensation equipment protective device of parallel-connection structure, as shown in Figure 1, the series compensation
The protection system of equipment becomes including but not limited to series transformer, by-pass switch, spark gap and brake tube by-pass switch in series connection
Brake tube by-pass switch, spark gap and the by-pass switch of depressor line side winding both ends configuration bridging, three are in parallel；Brake tube bypasses
The safety of series compensation equipment is protected in switch, spark gap and by-pass switch cooperation.
As the brake tube by-pass switch of the series transformer line side winding both ends of configuration bridging and the guarantor of spark gap
When shield level can protect series compensation equipment, it can not be configured by the brake tube at the other side winding both ends of series transformer
Way switch and spark gap, as shown in Figure 1.
As the brake tube by-pass switch of the series transformer line side winding both ends of configuration bridging and the guarantor of spark gap
When shield level can not protect series compensation equipment, the brake tube bypass that configuration is connected across other side winding both ends of series transformer is opened
Pass and spark gap, as shown in Figure 2.
The by-pass switch of bridging can also be configured at the other side winding both ends of the series transformer, if installation is configured simultaneously
Brake tube by-pass switch and spark gap at other side winding both ends of series transformer, then three is in parallel, further improves protection
The reliability of system, as shown in Figure 3.
Star-star connection mode can be used in the other sides of series transformer, can also use delta connection mode, such as scheme
4th, shown in Fig. 7.
When the other side windings of series transformer use star-star connection mode, the series transformer increase balance around
Group, as shown in Figure 5.
When the other side windings of series transformer use star-star connection mode, neutral point can be directly grounded or through resistance
Ground connection, as shown in Figure 5.
When the series transformer includes balance winding, balance winding both ends be not configured the brake tube by-pass switch of bridging with
Spark gap.
Wherein one end of the series transformer balance winding is directly grounded.As shown in Figure 5.
At least one end of the balance winding of the series transformer is grounded through brake tube by-pass switch and spark gap, further
The reliability of protection system is improved, as shown in Figure 6.
Finally it should be noted that：Only illustrate technical scheme of the present invention rather than its limitations with reference to above-described embodiment.Institute
The those of ordinary skill in category field is to be understood that：Those skilled in the art can repair the specific embodiment of the present invention
Change or equivalent replacement, but these modifications or change are being applied within pending patent requirements protection domain..
Claims (9)
1. a kind of series compensation equipment protective device of parallel-connection structure, it is characterised in that：The protection system of the series compensation equipment
System includes series transformer, by-pass switch, spark gap and brake tube by-pass switch,
In brake tube by-pass switch, spark gap and the by-pass switch of the configuration bridging of series transformer line side winding both ends, three
It is in parallel；
The safety of series compensation equipment is protected in brake tube by-pass switch, spark gap and by-pass switch cooperation.
2. the series compensation equipment protective device of a kind of parallel-connection structure as described in claim 1, which is characterized in that match when described
The brake tube by-pass switch of series transformer line side winding both ends bridging and the level of protection of spark gap put can not be protected
During series compensation equipment, configuration is connected across between the brake tube by-pass switch and spark in parallel at other side winding both ends of series transformer
Gap.
3. the series compensation equipment protective device of a kind of parallel-connection structure as described in claim 1, which is characterized in that in the string
Join the by-pass switch of the other side winding both ends configuration bridgings of transformer.
A kind of 4. series compensation equipment protective device of parallel-connection structure as described in claim 1, which is characterized in that the series connection
The other sides of transformer are using star-star connection mode or use delta connection mode.
A kind of 5. series compensation equipment protective device of parallel-connection structure as claimed in claim 4, which is characterized in that the series connection
When the other side windings of transformer use star-star connection mode, the series transformer increases balance winding.
A kind of 6. series compensation equipment protective device of parallel-connection structure as claimed in claim 4, which is characterized in that the series connection
When the other side windings of transformer use star-star connection mode, neutral-point solid ground or resistance grounded.
A kind of 7. series compensation equipment protective device of parallel-connection structure as claimed in claim 5, which is characterized in that the series connection
When transformer includes balance winding, the brake tube by-pass switch and spark gap of bridging are not configured for balance winding both ends.
A kind of 8. series compensation equipment protective device of parallel-connection structure as claimed in claim 5, which is characterized in that the series connection
Wherein one end of transformer balance winding is directly grounded.
A kind of 9. series compensation equipment protective device of parallel-connection structure as claimed in claim 5, which is characterized in that the series connection
At least one end of the balance winding of transformer is grounded through brake tube by-pass switch and spark gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199666.XA CN108233341A (en) | 2016-12-22 | 2016-12-22 | A kind of series compensation equipment protective device of parallel-connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611199666.XA CN108233341A (en) | 2016-12-22 | 2016-12-22 | A kind of series compensation equipment protective device of parallel-connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233341A true CN108233341A (en) | 2018-06-29 |
Family
ID=62657050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611199666.XA Pending CN108233341A (en) | 2016-12-22 | 2016-12-22 | A kind of series compensation equipment protective device of parallel-connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108233341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911411A (en) * | 2021-01-18 | 2021-06-04 | 陈源洋 | Original electric power capacity-increasing voltage-stabilizing system of base station |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002247760A (en) * | 2001-02-15 | 2002-08-30 | Toshiba Corp | Starting method of serial compensator |
| US20070250217A1 (en) * | 2006-04-25 | 2007-10-25 | Korea Electric Power Corporation | System and method for automatically operating upfc (unified power flow controller) connected to scada (supervisory control and data acquisition) |
| US20140266145A1 (en) * | 2013-03-15 | 2014-09-18 | E. Energy Double Tree Limited | Power flow control apparatus |
| CN104113060A (en) * | 2014-07-23 | 2014-10-22 | 南京南瑞继保电气有限公司 | Convertible static synchronous series compensator |
| CN105606934A (en) * | 2016-01-14 | 2016-05-25 | 江苏省电力公司电力科学研究院 | Charging starting debugging method for UPFC serial transformer |
| CN105652685A (en) * | 2014-11-14 | 2016-06-08 | 国家电网公司 | Function simulation device for dynamic simulation experiments |
| CN205595798U (en) * | 2016-03-14 | 2016-09-21 | 全球能源互联网研究院 | Modified compounding in parallel type unified power flow controller |
| CN106159976A (en) * | 2016-08-16 | 2016-11-23 | 南京南瑞继保电气有限公司 | A kind of series compensation device |
| CN206340963U (en) * | 2016-12-22 | 2017-07-18 | 南京南瑞继保电气有限公司 | A kind of series compensation equipment protection device of parallel-connection structure |
-
2016
- 2016-12-22 CN CN201611199666.XA patent/CN108233341A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002247760A (en) * | 2001-02-15 | 2002-08-30 | Toshiba Corp | Starting method of serial compensator |
| US20070250217A1 (en) * | 2006-04-25 | 2007-10-25 | Korea Electric Power Corporation | System and method for automatically operating upfc (unified power flow controller) connected to scada (supervisory control and data acquisition) |
| US20140266145A1 (en) * | 2013-03-15 | 2014-09-18 | E. Energy Double Tree Limited | Power flow control apparatus |
| CN104113060A (en) * | 2014-07-23 | 2014-10-22 | 南京南瑞继保电气有限公司 | Convertible static synchronous series compensator |
| CN105652685A (en) * | 2014-11-14 | 2016-06-08 | 国家电网公司 | Function simulation device for dynamic simulation experiments |
| CN105606934A (en) * | 2016-01-14 | 2016-05-25 | 江苏省电力公司电力科学研究院 | Charging starting debugging method for UPFC serial transformer |
| CN205595798U (en) * | 2016-03-14 | 2016-09-21 | 全球能源互联网研究院 | Modified compounding in parallel type unified power flow controller |
| CN106159976A (en) * | 2016-08-16 | 2016-11-23 | 南京南瑞继保电气有限公司 | A kind of series compensation device |
| CN206340963U (en) * | 2016-12-22 | 2017-07-18 | 南京南瑞继保电气有限公司 | A kind of series compensation equipment protection device of parallel-connection structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911411A (en) * | 2021-01-18 | 2021-06-04 | 陈源洋 | Original electric power capacity-increasing voltage-stabilizing system of base station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2741822C2 (en) | Overvoltage limitation system for medium and high voltage | |
| CN107611937B (en) | Overvoltage protection circuit and method of direct current breaker | |
| EP2633597B1 (en) | Voltage balancing of symmetric hvdc monopole transmission lines after earth faults | |
| US10615587B2 (en) | Bipolar DC power transmission scheme | |
| EP3036813B1 (en) | Electric protection on ac side of hvdc | |
| CN204089187U (en) | A kind of Surge Protector | |
| CN102222893B (en) | A kind of fast failure demand limiter based on current-carrying isolator | |
| CN105098748A (en) | Surge protector and method for enhancing temporary overvoltage endurance thereof | |
| EP3568915A1 (en) | Dc power switching assembly and method | |
| CN103558499A (en) | Electric leakage detection device of explosive-proof frequency converter | |
| US20130229733A1 (en) | Lightening Protection Apparatus Using TN-C Common Ground | |
| CN103683225A (en) | Ground fault protection method of nuclear plant low-voltage power distribution system in all power supply ranges | |
| CN108233389A (en) | A kind of protection system of series compensation equipment | |
| CN206340963U (en) | A kind of series compensation equipment protection device of parallel-connection structure | |
| CN206340970U (en) | A kind of series compensation equipment protection system of parallel-connection structure | |
| CN108233341A (en) | A kind of series compensation equipment protective device of parallel-connection structure | |
| CN206340977U (en) | A kind of protection system of the series compensation equipment set based on spark gap | |
| CN206340964U (en) | A kind of protection device of series compensation equipment | |
| CN206340976U (en) | A kind of protection system of series compensation equipment | |
| CN103078307A (en) | Lightning-protected switch-signal indicating rectifier | |
| CN108233354A (en) | A kind of series compensation equipment protection system of parallel-connection structure | |
| JPS59220017A (en) | Surge absorber for transformer | |
| CN115986709A (en) | Computer interface thunder and lightning electromagnetic pulse and electric strength resistance protection device | |
| CN108233390A (en) | A kind of protection system of the series compensation equipment based on spark gap setting | |
| CN108233342A (en) | A kind of protective device of series compensation equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |
|
| RJ01 | Rejection of invention patent application after publication |