CN206060211U - A kind of distribution system for improving power factor - Google Patents
A kind of distribution system for improving power factor Download PDFInfo
- Publication number
- CN206060211U CN206060211U CN201621031120.9U CN201621031120U CN206060211U CN 206060211 U CN206060211 U CN 206060211U CN 201621031120 U CN201621031120 U CN 201621031120U CN 206060211 U CN206060211 U CN 206060211U
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- circuit breaker
- transformator
- outfan
- disconnecting switch
- inputs
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- 238000009826 distribution Methods 0.000 title claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 8
- 238000010891 electric arc Methods 0.000 claims description 6
- 238000005242 forging Methods 0.000 claims description 4
- 238000007670 refining Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
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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
-
- 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
- Y02E40/40—Arrangements for reducing harmonics
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- Control Of Electrical Variables (AREA)
Abstract
This utility model belongs to industrial power distribution technical field, specifically a kind of distribution system for improving power factor.After this utility model inlet wire is accessed, by disconnecting switch, again after voltage current transformer, enter into main transformer, main transformer exports 10kV buses and 35kV buses, the transformator into each electrical appliance is cut-off by chopper again, by the reactive power compensator that difference in functionality is arranged to each electrical appliance, can compensate for different electrical appliances, the electrical appliance fast for load change adopts fixed value compensation device, it is to avoid because of the situation that the autocompensation installation brought by load change cannot be tracked.The electrical appliance unhappy for load change is respectively adopted autocompensation installation, can be automatically obtained reactive-load compensation.By of the present utility model electric system, reactive-load compensation effect can be greatly improved.
Description
Technical field
This utility model belongs to industrial power distribution technical field, specifically a kind of distribution system for improving power factor.
Background technology
Electric power is main power resources in commercial production, and the electricity sent by power plant is transported to each by distribution network
Use electrician factory.With the proposition of industrial technology, can be increasing to electricity needs.Can there is voltage in electrical network is with power transmission
The situation different with current phase, that is, during power transmission in addition to transmitting active power, can also transmit reactive power.
Evaluate reactive power height, judged with power factor, power factor is higher, and the reactive power transmitted is fewer, power because
Number is lower, and the reactive power transmitted is more.After power factor is too low, obtains same active power and can increase power transmission
Electric current, electric current increase after, on the one hand can produce a joule heat waster energy, on the other hand will also result in power transmission cable super negative
Lotus.Therefore, it is great to improving power factor suggestion with electric unit.Improve one of method of power factor and be to increase reactive-load compensation dress
Put, but current reactive power compensator is typically all for electrical network point of incoming cables disposable compensation, it is special for different electricity consumptions are possessed
For the use electric unit of property, reactive-load compensation DeGrain can be caused.
Utility model content
This utility model is directed to above-mentioned deficiency, there is provided a kind of distribution system of raising power factor.
This utility model is achieved in that a kind of distribution system for improving power factor, main bus-bar Lin and disconnecting switch
QS1 inputs connect, and disconnecting switch QS1 outfan is connected with circuit breaker Q F1 input, disconnecting switch QS1 and circuit breaker Q F1 it
Between bus on to arrange voltage transformer TV1, voltage transformer TV2, voltage transformer TV3, current transformer TA1, circuit mutual
Sensor TA2 summation current transformer TA3, circuit breaker Q F1 outfan are connected with main transformer T4 inputs, and main transformer T4 first is defeated
Go out end to be connected with circuit breaker Q F2 input；Circuit breaker Q F2 outfan by disconnecting switch QS3 and circuit breaker Q F3 series connection after with change
Depressor T5 inputs connect；Circuit breaker Q F2 outfan is defeated with transformator T6 after disconnecting switch QS4 and the series connection of circuit breaker Q F4
Enter end connection；Circuit breaker Q F2 outfan is connected with transformator T7 inputs after disconnecting switch QS5 and the series connection of circuit breaker Q F5,
Transformator T7 outfans are connected with fixed value reactive power compensator SCV1 by disconnecting switch QS10；Circuit breaker Q F2 outfan leads to
It is connected with transformator T8 inputs after crossing disconnecting switch QS6 and the series connection of circuit breaker Q F6, transformator T8 outfans pass through disconnecting switch
QS11 is connected with automatic reactive compensator SVC2；
Second outfan of main transformer T4 is connected with circuit breaker Q F11 input, circuit breaker Q F11 outfan and chopper
QF7 inputs connect, and circuit breaker Q F7 outfan is connected with transformator T1 inputs；Circuit breaker Q F11 outfan and circuit breaker Q F8
Input connects, and circuit breaker Q F8 outfan is connected with transformator T2 inputs；Circuit breaker Q F11 outfan is defeated with circuit breaker Q F9
Enter end connection, circuit breaker Q F9 outfan is connected with transformator T3 inputs；Circuit breaker Q F11 outfan passes through disconnecting switch QS2
It is connected with harmonic wave and power factor compensation device S1 after connecting with circuit breaker Q F10.
Further, distribution system of the present utility model, main bus-bar Lin be 110kV, the first outfans of main transformer T4 electricity
Press as 10kV, the first output end voltages of main transformer T4 are 35kV.
Further, distribution system of the present utility model, transformator T5 loads are electric arc furnace, and transformator T6 loads are refine
Stove, transformator T7 loads are forging press, and transformator T8 loads are low-voltage-powered, and transformator T1 is loaded as electric arc furnace, transformator T2
Loading and stove being burnt for essence, transformator T3 loads are intermediate frequency furnace.
The distribution system for improving power factor of the present utility model, by the different lead-out terminal of main transformer equipment, obtains
Export to different electric pressures, meet rear electricity consumption requirement, on the 10kV buses of first lead-out terminal, then dropped by transformator
Corresponding electric pressure is obtained after pressure, to supply electrical appliance use.35kV is exported on second lead-out terminal, then is connected by bus
Each transformator is connected to, then electrical appliance use is resupplied after transformer pressure-reducing.Filled by set fixed value reactive-load compensation
SCV1 is put, and offset can be directed to the fast load of load variations, autocompensation installation be overcome because of response lag institute band to fix
Come cannot compensation problem, on the 35kV buses of the second lead-out terminal of main transformer output, harmonic wave and power factor are set
Compensation device S1, can compensating power automatically, prevent feedback of harmonic electrical network from causing electric pollution.For pressure common power
Unit, is connected using automatic reactive compensator SVC2, can be adjusted according to electrical appliance power factor change.By this reality
With new distribution system, no compensation device is used according to different loads, it is to avoid unified using single compensation device institute band
That what is come cannot track situation, substantially increase reactive-load compensation effect, improve power factor.
Description of the drawings
Fig. 1 is this utility model systematic schematic diagram.
Specific embodiment
With reference to Fig. 1, a kind of distribution system of raising power factor, main bus-bar Lin are connected with disconnecting switch QS1 input,
Disconnecting switch QS1 outfan is connected with circuit breaker Q F1 input, is arranged on the bus between disconnecting switch QS1 and circuit breaker Q F1
Voltage transformer TV1, voltage transformer TV2, voltage transformer TV3, current transformer TA1, current transformer TA2 and electric current are mutual
Sensor TA3, circuit breaker Q F1 outfan are connected with main transformer T4 inputs, the first outfans of main transformer T4 and circuit breaker Q F2
Input connects；Circuit breaker Q F2 outfan is connected with transformator T5 inputs after disconnecting switch QS3 and the series connection of circuit breaker Q F3
Connect；Circuit breaker Q F2 outfan is connected with transformator T6 inputs after disconnecting switch QS4 and the series connection of circuit breaker Q F4；Chopper
QF2 outfans are connected with transformator T7 inputs after disconnecting switch QS5 and the series connection of circuit breaker Q F5, transformator T7 outfans
It is connected with fixed value reactive power compensator SCV1 by disconnecting switch QS10；Circuit breaker Q F2 outfan by disconnecting switch QS6 and
It is connected with transformator T8 inputs after the series connection of circuit breaker Q F6, transformator T8 outfans are idle with automatic by disconnecting switch QS11
Compensation device SVC2 connects；
Second outfan of main transformer T4 is connected with circuit breaker Q F11 input, circuit breaker Q F11 outfan and chopper
QF7 inputs connect, and circuit breaker Q F7 outfan is connected with transformator T1 inputs；Circuit breaker Q F11 outfan and circuit breaker Q F8
Input connects, and circuit breaker Q F8 outfan is connected with transformator T2 inputs；Circuit breaker Q F11 outfan is defeated with circuit breaker Q F9
Enter end connection, circuit breaker Q F9 outfan is connected with transformator T3 inputs；Circuit breaker Q F11 outfan passes through disconnecting switch QS2
It is connected with harmonic wave and power factor compensation device S1 after connecting with circuit breaker Q F10.
Further, distribution system of the present utility model, main bus-bar Lin be 110kV, the first outfans of main transformer T4 electricity
Press as 10kV, the first output end voltages of main transformer T4 are 35kV.
Further, distribution system of the present utility model, transformator T5 loads are electric arc furnace, and transformator T6 loads are refine
Stove, transformator T7 loads are forging press, and transformator T8 loads are low-voltage-powered, and transformator T1 is loaded as electric arc furnace, transformator T2
Loading and stove being burnt for essence, transformator T3 loads are intermediate frequency furnace.
When in use, distribution system of the present utility model, by the different lead-out terminal of main transformer equipment, obtains
Different electric pressure output, meets rear electricity consumption requirement, on the 10kV buses of first lead-out terminal, then by transformer pressure-reducing
After obtain corresponding electric pressure, to supply electrical appliance use.35kV is exported on second lead-out terminal, then is connected by bus
To each transformator, then electrical appliance use is resupplied after transformer pressure-reducing.By set fixed value reactive power compensator
SCV1, offset can be directed to the fast load of load variations to fix, and such as forging press is operationally waited load and has fluctuation
Property, work is will be unable to using autocompensation installation, when detecting current/voltage phase contrast because of autocompensation installation, need one
The fixed response time, when compensation device makes switching without work compensating element, because carrier change no longer may need to mend
Repay.Using fixed compensation device, overcome autocompensation installation because response lag brought cannot compensation problem.For main transformer
On the 35kV buses of the second lead-out terminal of depressor output, there are some loads that can produce triple-frequency harmonics, harmonic wave and power are set
Factor compensation device S1, can compensating power automatically, prevent feedback of harmonic electrical network from causing electric pollution.For pressure common
Power unit, is connected using automatic reactive compensator SVC2, can be adjusted according to electrical appliance power factor change.Pass through
Distribution system of the present utility model, uses no compensation device according to different loads, it is to avoid unified using single compensation device
That what is brought cannot track situation, substantially increase reactive-load compensation effect, improve power factor.
Claims (3)
1. a kind of distribution system for improving power factor, is characterized in that main bus-bar Lin is connected with disconnecting switch QS1 input, every
Leave pass QS1 outfans to be connected with circuit breaker Q F1 input, electricity is set on the bus between disconnecting switch QS1 and circuit breaker Q F1
Pressure transformer TV1, voltage transformer TV2, voltage transformer TV3, current transformer TA1, current transformer TA2 and Current Mutual Inductance
Device TA3, circuit breaker Q F1 outfan are connected with main transformer T4 inputs, and the first outfans of main transformer T4 are defeated with circuit breaker Q F2
Enter end connection；Circuit breaker Q F2 outfan is connected with transformator T5 inputs after disconnecting switch QS3 and the series connection of circuit breaker Q F3；
Circuit breaker Q F2 outfan is connected with transformator T6 inputs after disconnecting switch QS4 and the series connection of circuit breaker Q F4；Circuit breaker Q F2
Outfan is connected with transformator T7 inputs after disconnecting switch QS5 and the series connection of circuit breaker Q F5, and transformator T7 outfans pass through
Disconnecting switch QS10 is connected with fixed value reactive power compensator SCV1；Circuit breaker Q F2 outfan passes through disconnecting switch QS6 and open circuit
It is connected with transformator T8 inputs after device QF6 series connection, transformator T8 outfans pass through disconnecting switch QS11 and auto-reactive compensation
Device SVC2 connects；
Second outfan of main transformer T4 is connected with circuit breaker Q F11 input, circuit breaker Q F11 outfan and circuit breaker Q F7
Input connects, and circuit breaker Q F7 outfan is connected with transformator T1 inputs；Circuit breaker Q F11 outfan is defeated with circuit breaker Q F8
Enter end connection, circuit breaker Q F8 outfan is connected with transformator T2 inputs；Circuit breaker Q F11 outfan is input into circuit breaker Q F9
End connection, circuit breaker Q F9 outfan are connected with transformator T3 inputs；Circuit breaker Q F11 outfan by disconnecting switch QS2 and
It is connected with harmonic wave and power factor compensation device S1 after the series connection of circuit breaker Q F10.
2. the distribution system for improving power factor according to claim 1, is characterized in that main bus-bar Lin for 110kV, main transformer
The first output end voltages of depressor T4 are 10kV, and the first output end voltages of main transformer T4 are 35kV.
3. the distribution system for improving power factor according to claim 1, is characterized in that, transformator T5 loads are electric arc
Stove, transformator T6 loads are refining furnace, and transformator T7 loads are forging press, and transformator T8 loads are low-voltage-powered, transformator T1
Load as electric arc furnace, transformator T2 loads burn stove for essence, transformator T3 loads are intermediate frequency furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031120.9U CN206060211U (en) | 2016-08-31 | 2016-08-31 | A kind of distribution system for improving power factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621031120.9U CN206060211U (en) | 2016-08-31 | 2016-08-31 | A kind of distribution system for improving power factor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060211U true CN206060211U (en) | 2017-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621031120.9U Active CN206060211U (en) | 2016-08-31 | 2016-08-31 | A kind of distribution system for improving power factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4325680A1 (en) * | 2022-08-19 | 2024-02-21 | Moser, Jürgen | Switching assembly and method for switching on a current collector to a power distribution network and for disconnecting same |
-
2016
- 2016-08-31 CN CN201621031120.9U patent/CN206060211U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4325680A1 (en) * | 2022-08-19 | 2024-02-21 | Moser, Jürgen | Switching assembly and method for switching on a current collector to a power distribution network and for disconnecting same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Distribution System for Improving Power Factor Effective date of registration: 20230926 Granted publication date: 20170329 Pledgee: Meishan Meizhou Financing Guarantee Co.,Ltd. Pledgor: SICHUAN FENG YUAN MACHINERY MANUFACTURING CO. Registration number: Y2023980059426 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170329 Pledgee: Meishan Meizhou Financing Guarantee Co.,Ltd. Pledgor: SICHUAN FENG YUAN MACHINERY MANUFACTURING CO. Registration number: Y2023980059426 |