CN207751353U - A kind of electrode regulator based on power quality dynamic self-adapting - Google Patents
A kind of electrode regulator based on power quality dynamic self-adapting Download PDFInfo
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- CN207751353U CN207751353U CN201820025800.2U CN201820025800U CN207751353U CN 207751353 U CN207751353 U CN 207751353U CN 201820025800 U CN201820025800 U CN 201820025800U CN 207751353 U CN207751353 U CN 207751353U
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- pressure side
- transformer
- electrode
- mutual inductor
- voltage
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model is related to a kind of electrode regulators based on power quality dynamic self-adapting, by the way that one group of voltage transformer and current transformer is arranged in the high-pressure side of furnace transformer, in the low-pressure side of furnace transformer, one group of voltage transformer and current transformer is set, the circuit power consumption of detection electric arc furnaces and production power consumption respectively, and the output of hydraulic proportion valve and hydraulic oil pump is controlled by system controller, the movement for adjusting hydraulic lifting oil cylinder, is adjusted the movement of electric furnace electrode.The utility model improves electric furnace in the job stability of power quality fluctuation and load shock, ensure that the degree of balance of input power in stove, improves the smelting power factor of electric arc furnaces.
Description
Technical field
The utility model belongs to metallurgical technology field, is related to a kind of electrode regulating dress based on power quality dynamic self-adapting
It sets.
Background technology
Since the job rating point of metallurgical electric arc furnaces is arranged at high-pressure side, the power quality fluctuation of power grid is frequent, and
The load shock variation of electric arc furnaces is very greatly, very big to the interference of power grid electric energy, and especially some industrial and mining enterprises are supplied using power plant for self-supply
The power transmission and transformation quality of electricity, power circuit is very unstable, larger to the disturbance fluctuation of electrode power, and error is also larger, leads to electric furnace
Heating power is uneven in stove, the response lag of electrode regulating movement, furnace wall refractory corrode it is also uneven, furnace power because
Number declines, and influences stablizing for electric furnace and smelts production.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of electrode regulatings based on power quality dynamic self-adapting
Device ensure that input power in stove to improve electric furnace in the job stability of power quality fluctuation and load shock
The degree of balance, improve the smelting power factor of electric furnace.
In order to achieve the above objectives, the utility model provides the following technical solutions：
A kind of electrode regulator based on power quality dynamic self-adapting, the device include high side voltage mutual inductor and
High voltage side current mutual inductor, electric furnace electrode, rise fall of electrodes hydraulic cylinder, hydraulic proportion valve, hydraulic oil pump and system controller；
The hydraulic oil pump is connected to the hydraulic proportion valve, and the hydraulic proportion valve is connected to rise fall of electrodes hydraulic oil
Cylinder, the rise fall of electrodes hydraulic cylinder are connected to the electric furnace electrode, and the rise fall of electrodes hydraulic cylinder is for controlling the electricity
The lifting of stove electrode；
The device includes also furnace transformer, and the low-pressure side of the furnace transformer is connected to the electric furnace electrode, for institute
State electric furnace electrode power supply, the high-pressure side of the circuit transformer is connected to power supply, on the low-pressure side circuit of the furnace transformer
It is provided with low-pressure side voltage mutual inductor and low-pressure side current transformer, height is provided on the high-pressure side circuit of the furnace transformer
Press side voltage transformer and high voltage side current mutual inductor；
The system controller is connected to the hydraulic oil pump, hydraulic proportion valve, low-pressure side voltage mutual inductance by signal wire
Device, low-pressure side current transformer, high side voltage mutual inductor and high voltage side current mutual inductor；
The controller is used for according to low-pressure side voltage mutual inductor, low-pressure side current transformer, high side voltage mutual inductor
The output of the hydraulic oil pump and hydraulic proportion valve is adjusted with the current and voltage data that high voltage side current mutual inductor is acquired, and is led to
The rise fall of electrodes hydraulic cylinder is crossed the movement of the electric furnace electrode is adjusted.
Further, high-pressure side breaker is additionally provided on the high-pressure side circuit of the furnace transformer, the high-pressure side is disconnected
Road device is arranged between the high side voltage mutual inductor and high voltage side current mutual inductor.
Further, the on high-tension side voltage class of the furnace transformer is 110kV or 35kV.
The beneficial effects of the utility model are：Electric furnace is improved by the device of the utility model to fluctuate in power quality
With the job stability in the case of load shock, the degree of balance of input power in stove ensure that, improve the smelting power of electric arc furnaces
Factor has important directive significance.
Description of the drawings
In order to keep the purpose of this utility model, technical solution and advantageous effect clearer, the utility model provides as follows
Attached drawing illustrates：
Fig. 1 is the result schematic diagram of utility model device.
Specific implementation mode
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
As shown in Figure 1, the electrode regulator based on power quality dynamic self-adapting of the utility model, including high-pressure side
Voltage transformer 1, high-voltage circuitbreaker 2, high voltage side current mutual inductor 3, furnace transformer 4, low-pressure side voltage mutual inductor 5, low pressure
Side current transformer 6, electric furnace electrode 7, rise fall of electrodes hydraulic cylinder 8, hydraulic proportion valve 9, hydraulic oil pump 10, system controller
14。
By high-voltage circuitbreaker 2, by power delivery to furnace transformer 4, then pass through the pressure regulation inside furnace transformer 4
Switch, the electric energy of smelting is transferred on electric furnace electrode 7, provides electric energy needed for electric furnace production.
In the high-pressure side of furnace transformer 4, setting high side voltage mutual inductor 1 and high voltage side current mutual inductor 3 are examined respectively
Survey the line voltage distribution and line current of 4 high-pressure side power quality of furnace transformer；
In the low-pressure side of furnace transformer 4, setting low-pressure side voltage mutual inductor 5 and low-pressure side current transformer 6 are examined respectively
Survey the line voltage distribution and line current of 4 low-pressure side power quality of furnace transformer；
System controller 14 is according to the line voltage distribution of high-pressure side power quality, the line of line current, low-pressure side power quality
Road voltage and line current control the work of hydraulic oil pump 10 and hydraulic proportion valve 9, to driving electrodes raise-lower hydraulic oil cylinder 8
Movement, realize to the elevating control of electric furnace electrode 7；
When circuit power quality fluctuates or electric furnace load changes, system controller 14 passes through to hydraulic pressure ratio
Example valve 9, hydraulic oil pump 10 controlled, and by rise fall of electrodes hydraulic cylinder 8 to the gain scale 11 of electrode, electrode it is ineffective
The acceleration and deceleration slope 13 in quick area 12, electrode is adjusted in real time；The power quality of the entire circuit of dynamic self-adapting changes, and realizes electricity
The displacement drive of stove electrode 7；The circuit three phase power of input power and power grid in the stove of electric furnace is set to reach balance and stabilization.
Finally illustrate, preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can in the form and details make it various changes, without departing from the utility model claims book institute
The range of restriction.
Claims (3)
1. a kind of electrode regulator based on power quality dynamic self-adapting, it is characterised in that：The device includes high-pressure side electricity
Pressure mutual inductor and high voltage side current mutual inductor, rise fall of electrodes hydraulic cylinder, hydraulic proportion valve, hydraulic oil pump and are at electric furnace electrode
System controller；
The hydraulic oil pump is connected to the hydraulic proportion valve, and the hydraulic proportion valve is connected to rise fall of electrodes hydraulic cylinder, institute
It states rise fall of electrodes hydraulic cylinder and is connected to the electric furnace electrode, the rise fall of electrodes hydraulic cylinder is for controlling the electric furnace electrode
Lifting；
The device also includes furnace transformer, and the low-pressure side of the furnace transformer is connected to the electric furnace electrode, is the electricity
Stove electrode is powered, and the high-pressure side of the furnace transformer is connected to power supply, is arranged on the low-pressure side circuit of the furnace transformer
There are low-pressure side voltage mutual inductor and low-pressure side current transformer, high-pressure side is provided on the high-pressure side circuit of the furnace transformer
Voltage transformer and high voltage side current mutual inductor；
The system controller is connected to the hydraulic oil pump, hydraulic proportion valve, low-pressure side voltage mutual inductor, low by signal wire
Press side current transformer, high side voltage mutual inductor and high voltage side current mutual inductor；
The controller is used for according to low-pressure side voltage mutual inductor, low-pressure side current transformer, high side voltage mutual inductor and height
The current and voltage data that pressure side current transformer is acquired adjusts the output of the hydraulic oil pump and hydraulic proportion valve, and passes through institute
Rise fall of electrodes hydraulic cylinder is stated the movement of the electric furnace electrode is adjusted.
2. a kind of electrode regulator based on power quality dynamic self-adapting according to claim 1, it is characterised in that：
High-pressure side breaker is additionally provided on the high-pressure side circuit of the furnace transformer, the high-pressure side breaker is arranged in the height
It presses between side voltage transformer and high voltage side current mutual inductor.
3. a kind of electrode regulator based on power quality dynamic self-adapting according to claim 1, it is characterised in that：
The on high-tension side voltage class of the furnace transformer is 110kV or 35kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025800.2U CN207751353U (en) | 2018-01-08 | 2018-01-08 | A kind of electrode regulator based on power quality dynamic self-adapting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025800.2U CN207751353U (en) | 2018-01-08 | 2018-01-08 | A kind of electrode regulator based on power quality dynamic self-adapting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751353U true CN207751353U (en) | 2018-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820025800.2U Active CN207751353U (en) | 2018-01-08 | 2018-01-08 | A kind of electrode regulator based on power quality dynamic self-adapting |
Country Status (1)
| Country | Link |
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| CN (1) | CN207751353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957904A (en) * | 2019-11-25 | 2020-04-03 | 中冶京诚工程技术有限公司 | Arc power supply system and arc power supply based on rectangular wave signal |
-
2018
- 2018-01-08 CN CN201820025800.2U patent/CN207751353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110957904A (en) * | 2019-11-25 | 2020-04-03 | 中冶京诚工程技术有限公司 | Arc power supply system and arc power supply based on rectangular wave signal |
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