CN106300382A - Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus - Google Patents
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus Download PDFInfo
- Publication number
- CN106300382A CN106300382A CN201610759681.9A CN201610759681A CN106300382A CN 106300382 A CN106300382 A CN 106300382A CN 201610759681 A CN201610759681 A CN 201610759681A CN 106300382 A CN106300382 A CN 106300382A
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- Prior art keywords
- control system
- mergedfurnace
- ferroalloys
- sub
- voltage
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- 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.)
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Classifications
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- 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
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
-
- 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
- Y02E40/20—Active power filtering [APF]
Abstract
The invention discloses the control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus, including control panel, main control computer, PLC, APF controller, compensating instruction maker, ammeter, power factor transmitter, voltmeter, thermometer, critesistor, current transformer, ore heat furnace transformer, voltage transformer, cooling fan, compensate electric capacity, relay and photoisolator；The invention has the beneficial effects as follows: the control system stable connection of this low-voltage compensation apparatus, use simple, control system can detect each supplemental characteristic in feedback mineral hot furnace in real time, and control to carry out real-Time Compensation by control system, achieve dynamic compensation, control system has double compensation electric capacity, target compensation is had the most corresponding, and can accomplish that compensating power continuously adjusts, APF controller has stronger real-time control capability, process and the requirement of system control of digital signal can be met simultaneously, improve and compensate the precision controlled, during work, stability is strong, it is suitable for promoting the use of.
Description
Technical field
The present invention relates to the control system of compensation device, particularly for the control of In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus
System, belongs to electrical equipment control field.
Background technology
Mineral hot furnace is a kind of of many uses, electric furnace that pattern is numerous, for ferroalloy smelting, matte in metallurgical industry
Deng, its operation principle is to insert in the crucible being made up of furnace wall and furnace charge by power electrode, by controlling electrode tip and furnace charge
Between distance produce electric arc, make furnace charge melt after converting electrical energy into heat energy, formation reduction reaction needed for hot environment, simultaneously
The required a large amount of heat energy absorbed of supply response, ultimately form product.
It is currently used for the control system of In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus to come with some shortcomings part, is not available for reality
Time detection In The Sub-mergedfurnace of The Ferroalloys in each supplemental characteristic, Data Detection have the regular hour postpone, cause compensation control the most smart
Really, and can not realize real-Time Compensation, single compensation electric capacity response speed is relatively slow, compensates speed relatively slow, and compensation can not be accomplished to adjust continuously
Joint, the existing control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus only can use manual operation control panel to arrange benefit
Degree of repaying, does not have automatic compensating instruction maker, and automaticity is low, is not suitable for large-scale ferroalloy smelting and uses.
Summary of the invention
The purpose of the present invention is that to be provided for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus to solve the problems referred to above
Control system.
The present invention is achieved through the following technical solutions above-mentioned purpose: for the control of In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus
System processed, becomes including control panel, main control computer, PLC, APF controller, compensating instruction maker, ammeter, power factor
Send device, voltmeter, thermometer, critesistor, current transformer, ore heat furnace transformer, voltage transformer, cooling fan, compensation
Electric capacity, relay and photoisolator；Described control panel is electrically connected to main control computer, and described main control computer and control
Panel processed has three grades of priority assignation, and described main control computer is connected by data/address bus PLC, and described PLC side is the most electric
Property connect have thermometer, ammeter, power factor transmitter and voltmeter, described thermometer opposite side by electric wire connect have heat
Quick resistance, and described thermometer is according to the resistance display furnace temperature of critesistor, and described thermometer produces more line or the lowest limit and causes
Report to the police；Described ammeter opposite side is connected by electric wire current transformer, and described voltmeter opposite side is connected by electric wire to be had
Voltage transformer, and described critesistor, current transformer and voltage transformer detect the parameter in In The Sub-mergedfurnace of The Ferroalloys in real time
Data；Described power factor transmitter opposite side is electrically connected to current transformer and voltage transformer, and described electric current successively
Transformer and voltage transformer opposite side are all by being wired to ore heat furnace transformer；Described main control computer is total by data
Line connects APF controller, and described main control computer uses RS485 bus to be connected with PLC, APF controller, and described APF is controlled
Utensil processed has stronger real-time control capability, and being connected by data/address bus on the downside of described APF controller has compensating instruction maker,
And described compensating instruction maker generates compensating instruction in automatically controlling compensation process；Described APF controller side electrically connects
Being connected to photoisolator, and described photoisolator provides isolation voltage, described photoisolator side is electrically connected with up and down
Double relay, described compensation electric capacity is by being wired to relay, and described compensation electric capacity is double compensation electric capacity, described cold
But fan is by being wired to another relay, and described cooling fan and compensation electric capacity are all singly connected with relay.
Further, in order to reach point different rights rank to control the different limits of low-voltage compensation apparatus, described master control
Computer and control panel have three grades of priority assignation.
Further, in order to reach data and the rapidity of instruction transmission, described main control computer and PLC, APF controller
RS485 bus is used to connect.
Further, in order to reach can to meet the process of digital signal and the requirement of system control simultaneously, described APF controls
Utensil has stronger real-time control capability.
Further, produce higher than maximum temperature or less than minimum temperature limit value to reach in In The Sub-mergedfurnace of The Ferroalloys temperature
Buzzing is reported to the police, and described thermometer can show furnace temperature according to the resistance of critesistor, and described thermometer is when more line or the lowest limit, draws
Transmit messages police.
Further, responding faster to reach to have the change of target compensation, described compensation electric capacity is double compensation electricity
Hold.
Further, in order to reach to realize automatically controlling of low-voltage compensation apparatus, described compensating instruction maker can be certainly
Compensating instruction is generated during dynamic control and compensation.
Further, in order to reach to be easy to suppress surge, be struck by lightning and interference altogether, described photoisolator can provide every
Ionization voltage.
Further, it is independent of each other to reach to compensate control and cool down fan control, described cooling fan and compensation electricity
Rong Jun is singly connected with relay.
Further, in order to reach In The Sub-mergedfurnace of The Ferroalloys is realized dynamic compesated control, described critesistor, Current Mutual Inductance
Device and voltage transformer can detect the supplemental characteristic in In The Sub-mergedfurnace of The Ferroalloys in real time.
The invention has the beneficial effects as follows: the control system stable connection of this low-voltage compensation apparatus, use simple, control system
The each supplemental characteristic in feedback mineral hot furnace can be detected in real time, and control to carry out real-Time Compensation by control system, it is achieved that dynamically
Compensating, control system has double compensation electric capacity, has target compensation corresponding faster, and can accomplish that compensating power continuously adjusts,
APF controller has stronger real-time control capability, can meet process and the requirement of system control of digital signal simultaneously, improve
Compensating the precision controlled, during work, stability is strong, is suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention；
Fig. 2 is present system program flow diagram；
In figure: 1, control panel, 2, main control computer, 3, PLC, 4, APF controller, 5, compensating instruction maker, 6, ammeter,
7, power factor transmitter, 8, voltmeter, 9, thermometer, 10, critesistor, 11, current transformer, 12, ore heat furnace transformer,
13, voltage transformer, 14, cooling fan, 15, compensate electric capacity, 16, relay, 17, photoisolator.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-2, for the control system of In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus, including control panel 1, master control
Computer 2, PLC3, APF controller 4, compensating instruction maker 5, ammeter 6, power factor transmitter 7, voltmeter 8, temperature
Meter 9, critesistor 10, current transformer 11, ore heat furnace transformer 12, voltage transformer 13, cooling fan 14, compensation electric capacity
15, relay 16 and Phototube Coupling 17 device；Described control panel 1 is electrically connected to main control computer 2, and described main control computer
2 and control panel 1 there are three grades of priority assignation, described main control computer 2 is connected by data/address bus PLC3, described PLC3 mono-
Side is electrically connected with thermometer 9, ammeter 6, power factor transmitter 7 and voltmeter 8 successively, and described thermometer 9 opposite side leads to
Cross electric wire connection and have critesistor 10, and described thermometer 9 can show furnace temperature, and described temperature according to the resistance of critesistor 10
Meter 9 can produce more line or the lowest limit and report to the police；Described ammeter 6 opposite side is connected by electric wire current transformer 11, described voltage
Table 8 opposite side is connected by electric wire voltage transformer 13, and described critesistor 10, current transformer 11 and voltage transformer
13 can detect the supplemental characteristic in In The Sub-mergedfurnace of The Ferroalloys in real time；Described power factor transmitter 7 opposite side is electrically connected to successively
Current transformer 11 and voltage transformer 13, and described current transformer 11 and voltage transformer 13 opposite side are all by electric wire even
It is connected to ore heat furnace transformer 12；Described main control computer 2 is connected by data/address bus APF controller 4, and described master control calculates
Machine 2 uses RS485 bus to be connected with PLC3, APF controller 4, and described APF controller 4 has stronger real-time control capability, institute
State to be connected by data/address bus on the downside of APF controller 4 and have compensating instruction maker 5, and described compensating instruction maker 5 can be certainly
Compensating instruction is generated during dynamic control and compensation；Described APF controller 4 side is electrically connected with photoisolator 17, and described
Photoisolator 17 can provide isolation voltage, and described photoisolator 17 side is electrically connected with upper and lower double relay 16, described
Compensation electric capacity 15 is by being wired to relay 16, and described compensation electric capacity 15 is double compensation electric capacity, described cooling fan 14
By being wired to another relay 16, described cooling fan 14 and compensation electric capacity 15 are all singly connected with relay 16.
A kind of technical optimization scheme as the present invention: described main control computer 2 and control panel 1 have three grades of authorities and set
Put；Described main control computer 2 uses RS485 bus to be connected with PLC3, APF controller 4；Described APF controller 4 has stronger
Real-time control capability；Described thermometer 9 can show furnace temperature according to the resistance of critesistor 10, and described thermometer 9 at more line or
During the lowest limit, cause and report to the police；Described compensation electric capacity 15 is double compensation electric capacity；Described compensating instruction maker 5 can automatically control benefit
Compensating instruction is generated during repaying；Described photoisolator 17 can provide isolation voltage；Described cooling fan 14 and compensation electric capacity
15 are all singly connected with relay 16；Described critesistor 10, current transformer 11 and voltage transformer 13 can detect ferrum in real time
Supplemental characteristic in alloy mineral hot furnace.
The present invention in use, first by control panel and main control computer under In The Sub-mergedfurnace of The Ferroalloys running status
Highest weight limit sets compensativity and the temperature alarming upper lower limit value of low-voltage compensation apparatus；Secondly at In The Sub-mergedfurnace of The Ferroalloys running
Middle critesistor, current transformer and voltage transformer be each parameter data values in detecting In The Sub-mergedfurnace of The Ferroalloys in real time, and by data
Value transmission show to thermometer, ammeter and voltmeter and transmit to main control computer compares setting value, when detecting temperature value height
In maximum temperature limit value or less than minimum temperature limit value, produce buzzing and report to the police；Then can be according to the parameter data values of detection in real time
The operation of manual control low-voltage compensation apparatus or automatically produced compensating instruction by compensating instruction maker under automatic control state；
Finally can meet the process of digital signal and wanting of system control owing to APF controller has higher real-time control capability simultaneously
Ask, disconnection or the contact of relay can be controlled according to the compensating instruction of compensating instruction maker, and then control and compensation electric capacity is dynamic
Compensate and the operation of cooling fan, thus realize quick continuous response and control dynamic compensation.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (10)
1. for the control system of In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus, it is characterised in that: include control panel (1), master control
Computer (2), PLC(3), APF controller (4), compensating instruction maker (5), ammeter (6), power factor transmitter (7),
Voltmeter (8), thermometer (9), critesistor (10), current transformer (11), ore heat furnace transformer (12), voltage transformer
(13), cooling fan (14), compensation electric capacity (15), relay (16) and photoisolator (17)；Described control panel (1) is electrical
Being connected to main control computer (2), described main control computer (2) is connected by data/address bus PLC(3), described PLC(3) side
It is electrically connected with thermometer (9), ammeter (6), power factor transmitter (7) and voltmeter (8), described thermometer (9) successively
Opposite side is connected by electric wire critesistor (10), and described ammeter (6) opposite side is connected by electric wire current transformer
(11), described voltmeter (8) opposite side is connected by electric wire voltage transformer (13), and described power factor transmitter (7) is another
Side is electrically connected to current transformer (11) and voltage transformer (13) successively, and described current transformer (11) and voltage mutual
Sensor (13) opposite side is all by being wired to ore heat furnace transformer (12)；Described main control computer (2) passes through data/address bus
Connecting and have APF controller (4), described APF controller (4) downside is connected by data/address bus compensating instruction maker (5), institute
Stating APF controller (4) side and be electrically connected with photoisolator (17), described photoisolator (17) side is electrically connected with continues
Electrical equipment (16), described compensation electric capacity (15) is by being wired to relay (16), and described cooling fan (14) is by electric wire even
It is connected to another relay (16).
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 1, it is characterised in that: institute
State main control computer (2) and control panel (1) has three grades of priority assignation.
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 2, it is characterised in that: institute
State main control computer (2) and PLC(3), APF controller (4) use RS485 bus be connected.
4., according to the control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus described in claim 1 or 3, its feature exists
In: described APF controller (4) has real-time control capability.
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 4, it is characterised in that: institute
State thermometer (9) and show furnace temperature according to the resistance of critesistor (10), and described thermometer (9) draws when producing more line or the lowest limit
Transmit messages police.
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 5, it is characterised in that: institute
Stating compensation electric capacity (15) is double compensation electric capacity.
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 6, it is characterised in that: institute
State compensating instruction maker (5) in automatically controlling compensation process, generate compensating instruction.
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 1, it is characterised in that: institute
State photoisolator (17) and isolation voltage is provided.
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 1, it is characterised in that: institute
State cooling fan (14) and compensation electric capacity (15) is all singly connected with relay (16).
Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus the most according to claim 1, it is characterised in that:
Parameter number in described critesistor (10), current transformer (11) and voltage transformer (13) detection In The Sub-mergedfurnace of The Ferroalloys in real time
According to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759681.9A CN106300382B (en) | 2016-08-30 | 2016-08-30 | Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610759681.9A CN106300382B (en) | 2016-08-30 | 2016-08-30 | Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus |
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| Publication Number | Publication Date |
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| CN106300382A true CN106300382A (en) | 2017-01-04 |
| CN106300382B CN106300382B (en) | 2019-01-15 |
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| CN201610759681.9A Active CN106300382B (en) | 2016-08-30 | 2016-08-30 | Control system for In The Sub-mergedfurnace of The Ferroalloys low-voltage compensation apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107943158A (en) * | 2017-12-11 | 2018-04-20 | 合肥维博自动化科技有限公司 | A kind of automatic adjusument power output heating intelligent control card and its control method |
| CN114518732A (en) * | 2022-02-10 | 2022-05-20 | 宁夏瑞资联实业有限公司 | Furnace control system of DCS submerged arc furnace |
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