CN203377601U - Standby transformer reactive power compensator capable of adjusting power factor - Google Patents
Standby transformer reactive power compensator capable of adjusting power factor Download PDFInfo
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- CN203377601U CN203377601U CN201320317856.2U CN201320317856U CN203377601U CN 203377601 U CN203377601 U CN 203377601U CN 201320317856 U CN201320317856 U CN 201320317856U CN 203377601 U CN203377601 U CN 203377601U
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- vacuum switch
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- current transformer
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model relates to a standby transformer reactive power compensator capable of adjusting a power factor, and belongs to the technical field of electric power application. The technical scheme is that an upper part of a vacuum switch (4) is connected with a bus (1) via a front bus of the vacuum switch. The front bus of the vacuum switch is provided with a first current mutual inductor (2). A voltage mutual inductor (5) is connected between the first current mutual inductor and the vacuum switch via a fuse. The upper part of the vacuum switch is provided with a second current mutual inductor (6) which is connected with a three-phase dry-type iron core paralleling reactor (11) via a rear bus of the vacuum switch. In a normal operation process, the three-phase dry-type iron core paralleling reactor absorbs reactive power from a power grid so that compensation is performed reactive power sent on a circuit. Inductive reactive power is compensated for a transformer system and a vacant transformer power factor is raised to a rated value so that reactive power of the transformer is reduced and assessment quota is lowered.
Description
Technical field
A kind of Adjustable Power Factor Current that relates to the utility model opens the standby reactive power compensator that becomes, and belongs to the electric power applied technical field.
Background technology
For the coal fired power generation unit, startup spare transformer power supply is taken from the 220kV electrical network and is drawn and connect by transformer station as power consumer, due to the particularity that starts the spare transformer operation, starts spare transformer for a long time in Light Condition.Under normal circumstances, high side switch is in "on" position, and the step down side on-load switch is in off-state; Because the 220kV circuit is longer, the perception when capacitive reactive power of circuit is unloaded much larger than a standby change is idle, causes whole circuit to carry capacitive reactive power to electrical network.By seeing on the electricity consumption client list of charges, while opening standby change zero load, power factor only has 0.02 left and right, very low.Power factor standard 0.90 (being applicable to the high voltage supply industrial cousumer more than 160 kilovolt-amperes).According to the power factor of calculating, during higher or lower than required standard, after electricity price according to the rules calculates its of that month electricity charge, then according to the percentage increase and decrease electricity charge of " power factor adjustment charge table " defined.When generally actual power factor is higher than calibration power factor 0.9, give the award of corresponding proportion, lower than the time be corresponding fine, and power factor is lower, the fine ratio is higher.How improving and open the standby power factor become, shorten no-load transformer operation or the time in low load operation conditions, reduce the shared ratio of reactive power, is this area technical problem urgently to be resolved hurrily.
The utility model content
The utility model purpose is to provide a kind of Adjustable Power Factor Current and opens the standby reactive power compensator that becomes, by idle to voltage transformer system compensation perception, vacant transformer efficiency factor is brought up to specified numerical value, reduce the reactive power of transformer, reduce the amount of examination, solve the problems referred to above that background technology exists.
Technical solutions of the utility model are:
Adjustable Power Factor Current opens the standby reactive power compensator that becomes, and comprises bus before bus after bus, current transformer one, fuse, vacuum switch, voltage transformer, current transformer two, high voltage ground switch, vacuum switch, gapless metal zinc oxide lightning arrester, 3-phase dry type iron core shunt reactor and vacuum switch; The top of vacuum switch is connected with bus by bus before vacuum switch, and before vacuum switch, current transformer one is set on bus, between current transformer one and vacuum switch, by fuse, is connected voltage transformer; Be provided with current transformer two above vacuum switch, and be connected with the 3-phase dry type iron core shunt reactor by bus after vacuum switch, between current transformer two and 3-phase dry type iron core shunt reactor, connect respectively high voltage ground switch and gapless metal zinc oxide lightning arrester.
The utility model also is provided with high voltage display device and electromagnetic lock, forms the forced blocking system, and high voltage display device and electromagnetic lock are connected between current transformer two and 3-phase dry type iron core shunt reactor.
Described current transformer one, fuse, vacuum switch, voltage transformer, current transformer two, high voltage ground switch, gapless metal zinc oxide lightning arrester, high voltage display device and electromagnetic lock are arranged in switch cubicle; Described 3-phase dry type iron core shunt reactor is arranged in reactance cabinet, is connected switch cubicle and display floater is set above reactance cabinet between switch cubicle and reactance cabinet by bus after vacuum switch; Switch cubicle and reactance cabinet fit together, and are structure as a whole.
In normal course of operation, the 3-phase dry type iron core shunt reactor is from the electrical network absorbing reactive power, thereby the reactive power sent on circuit is compensated.
The utility model, by advance the reactance value scope of power factor and needs compensation being calculated, is determined the characteristic of spaceborne system after compensation, determines the capacity of 3-phase dry type iron core shunt reactor, and is installed according to its capacity.The utility model can be realized monitoring on the spot and the remote monitoring mode, and can carry out to it switching of long-range/field control.Under monitor mode on the spot, can carry out artificial start and stop on the spot, switch cubicle and display floater is set above reactance cabinet, display floater has electric current, voltage, power, power factor, opens, stops, fault shows and fault such as recollects at the function.
Good effect of the present utility model: by idle to voltage transformer system compensation perception, vacant transformer efficiency factor is brought up to specified numerical value, reduce the reactive power of transformer, reduce the amount of examination.In order to improve its collection control reliability of operation, be all the other corollary equipments such as its configuration is cooling, protection, insulation, and then realize the functions such as remote monitoring, startup, protection simultaneously.
The accompanying drawing explanation
Fig. 1 is the utility model embodiment schematic diagram;
In figure: bus 9, gapless metal zinc oxide lightning arrester 10,3-phase dry type iron core shunt reactor 11, the front bus 12 of vacuum switch, high voltage display device 13, switch cubicle 14, reactance cabinet 15 after bus 1, current transformer 1, fuse 3, vacuum switch 4, voltage transformer 5, current transformer 26, high voltage ground switch 7, vacuum switch.
Embodiment
The utility model is described in further detail by the following examples.
Adjustable Power Factor Current opens the standby reactive power compensator that becomes, and comprises bus 12 before bus 9 after bus 1, current transformer 1, fuse 3, vacuum switch 4, voltage transformer 5, current transformer 26, high voltage ground switch 7, vacuum switch, gapless metal zinc oxide lightning arrester 10,3-phase dry type iron core shunt reactor 11 and vacuum switch; The top of vacuum switch is connected with bus by bus before vacuum switch, and before vacuum switch, current transformer one is set on bus, between current transformer one and vacuum switch, by fuse, is connected voltage transformer; Be provided with current transformer two above vacuum switch, and be connected with the 3-phase dry type iron core shunt reactor by bus after vacuum switch, between current transformer two and 3-phase dry type iron core shunt reactor, connect respectively high voltage ground switch and gapless metal zinc oxide lightning arrester.
The utility model also is provided with high voltage display device 13 and electromagnetic lock, forms the forced blocking system, and high voltage display device and electromagnetic lock are connected between current transformer two and 3-phase dry type iron core shunt reactor.
Described current transformer 1, fuse 3, vacuum switch 4, voltage transformer 5, current transformer 26, high voltage ground switch 7, gapless metal zinc oxide lightning arrester 10, high voltage display device 13 and electromagnetic lock are arranged in switch cubicle 14; Described 3-phase dry type iron core shunt reactor is arranged in reactance cabinet 15, is connected switch cubicle and display floater is set above reactance cabinet between switch cubicle and reactance cabinet by bus after vacuum switch; Switch cubicle and reactance cabinet fit together, and are structure as a whole.
With reference to accompanying drawing 1, bus 1 is for opening the 6kV bus of standby low pressure side; Current transformer 1 is the current transformer that Dalian the second instrument transformer Co., Ltd produces, and its model is LZZBJ9-10; During operation, the equipment string advances load circuit; Vacuum switch 4 models are VD4-12; Cut off electric current when normal operation, short trouble, other faults; Voltage transformer 5 models are JDZ-6; During this equipment operation, need to be in parallel with loop, produce secondary side voltage; Current transformer 26, model is the LZZBJ9-10 that Dalian the second instrument transformer Co., Ltd produces; High voltage ground switch 7 is JN15 series high voltage earthed switch, and a ground protection is provided during interruption maintenance; Gapless metal zinc oxide lightning arrester 10 is for the absorption operation overvoltage, and its model is YH5WS-10/27; 3-phase dry type iron core shunt reactor 11, be arranged on network transformer low-pressure side compensation high-tension line capacitive reactive power, and its model is: BKSC-2000/6.3; High voltage display device 13 and electromagnetic lock, form the forced blocking system, and its model is: DXN-T.
In normal course of operation, the 3-phase dry type iron core shunt reactor is from the electrical network absorbing reactive power, thereby the reactive power sent on circuit is compensated.
The utility model, by advance the reactance value scope of power factor and needs compensation being calculated, is determined the characteristic of spaceborne system after compensation, determines the capacity of 3-phase dry type iron core shunt reactor, and is installed according to its capacity.The utility model can be realized monitoring on the spot and the remote monitoring mode, and can carry out to it switching of long-range/field control.Under monitor mode on the spot, can carry out artificial start and stop on the spot, switch cubicle and display floater is set above reactance cabinet, display floater should have electric current, voltage, power, power factor, opens, stops, fault shows and fault such as recollects at the function.
Claims (3)
1. an Adjustable Power Factor Current opens the standby reactive power compensator that becomes, and it is characterized in that: comprise bus (9) after bus (1), current transformer one (2), fuse (3), vacuum switch (4), voltage transformer (5), current transformer two (6), high voltage ground switch (7), vacuum switch, gapless metal zinc oxide lightning arrester (10), 3-phase dry type iron core shunt reactor (11) and the front bus (12) of vacuum switch; The top of vacuum switch is connected with bus by bus before vacuum switch, and before vacuum switch, current transformer one is set on bus, between current transformer one and vacuum switch, by fuse, is connected voltage transformer; Be provided with current transformer two above vacuum switch, and be connected with the 3-phase dry type iron core shunt reactor by bus after vacuum switch, between current transformer two and 3-phase dry type iron core shunt reactor, connect respectively high voltage ground switch and gapless metal zinc oxide lightning arrester.
2. Adjustable Power Factor Current according to claim 1 opens the standby reactive power compensator that becomes, it is characterized in that: also be provided with high voltage display device (13) and electromagnetic lock, form the forced blocking system, high voltage display device and electromagnetic lock are connected between current transformer two and 3-phase dry type iron core shunt reactor.
3. Adjustable Power Factor Current according to claim 2 opens the standby reactive power compensator that becomes, and it is characterized in that: described current transformer one (2), fuse (3), vacuum switch (4), voltage transformer (5), current transformer two (6), high voltage ground switch (7), gapless metal zinc oxide lightning arrester (10), high voltage display device (13) and electromagnetic lock are arranged in switch cubicle (14); Described 3-phase dry type iron core shunt reactor is arranged in reactance cabinet (15), is connected switch cubicle and display floater is set above reactance cabinet between switch cubicle and reactance cabinet by bus after vacuum switch; Switch cubicle and reactance cabinet fit together, and are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320317856.2U CN203377601U (en) | 2013-06-04 | 2013-06-04 | Standby transformer reactive power compensator capable of adjusting power factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320317856.2U CN203377601U (en) | 2013-06-04 | 2013-06-04 | Standby transformer reactive power compensator capable of adjusting power factor |
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| Publication Number | Publication Date |
|---|---|
| CN203377601U true CN203377601U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320317856.2U Expired - Fee Related CN203377601U (en) | 2013-06-04 | 2013-06-04 | Standby transformer reactive power compensator capable of adjusting power factor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242080A (en) * | 2015-10-22 | 2016-01-13 | 飞尔特能源(东莞)有限公司 | Power factor linearity adjustable resistance integrated load case |
| CN108808729A (en) * | 2018-06-07 | 2018-11-13 | 中国华电科工集团有限公司 | A kind of novel circuit configuration of electric main power connection in power plant |
-
2013
- 2013-06-04 CN CN201320317856.2U patent/CN203377601U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242080A (en) * | 2015-10-22 | 2016-01-13 | 飞尔特能源(东莞)有限公司 | Power factor linearity adjustable resistance integrated load case |
| CN108808729A (en) * | 2018-06-07 | 2018-11-13 | 中国华电科工集团有限公司 | A kind of novel circuit configuration of electric main power connection in power plant |
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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 |
Granted publication date: 20140101 Termination date: 20160604 |