CN103323689A - Rectification efficiency test device for rectification station in electrolysis series - Google Patents
Rectification efficiency test device for rectification station in electrolysis series Download PDFInfo
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- CN103323689A CN103323689A CN2012100777764A CN201210077776A CN103323689A CN 103323689 A CN103323689 A CN 103323689A CN 2012100777764 A CN2012100777764 A CN 2012100777764A CN 201210077776 A CN201210077776 A CN 201210077776A CN 103323689 A CN103323689 A CN 103323689A
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Abstract
The invention discloses a rectification efficiency test device for a rectification station in an electrolysis series. The rectification efficiency test device comprises a voltage and current acquisition box (1) and a rectifier unit (6). The voltage and current acquisition box (1) is connected to a main incoming and outgoing line of a potroom rectifier unit. The voltage and current acquisition box (1) is connected to an intelligent recorder (3) through a wire (2). The intelligent recorder (3) is connected to a monitoring system (5) through one wire (4). A measurement point is set at a rear connection position of an outgoing breaker (11) of the rectifier unit (6). An intelligent measuring and control device (7) is connected to the measurement point which is set at the rear connection position of the outgoing breaker (11). The intelligent measuring and control device (7) is connected to the monitoring system (5) through another wire (4). The rectification efficiency test device solves the problems that calculation and report formation cannot be conducted automatically in a rectification efficiency test utilizing manual work for measurement and calculation, cost is high and efficiency is low.
Description
Technical field
The present invention relates to the field tests of rectifier efficiency of rectification in the Aluminium Electrolysis line electrolytic series.
Background technology
The electrolytic aluminium plant electrolytic series, its direct supply is powered by the rectifier Rectification Power Factor by enterprise's high voltage switchyard, rectifying efficiency of rectifier unit is that rectifier main equipment quality level is weighed by enterprise, the key parameter of rectifier operation level examination, efficiency of rectification is higher, illustrates that the Rectification Power Factor quality is good, and the rectifier operation is better, after equipment quality was determined, efficiency of rectification was exactly to weigh the good key whether rectifier moves.Suppose an electrolytic aluminium factory of producing 200kt/a per year, its 380MW that loads, Rectification Power Factor improves one percentage point, and then annual economize on electricity 0.28 hundred million degree closes more than 1,000 ten thousand yuan.At the electrolysis production line, the test of efficiency of rectification is usually organized specially troop to carry out manual measurement and is calculated, and can't automatically calculate and form form, has the problems such as the cost-effective rate is low.
Summary of the invention
The technical problem to be solved in the present invention: provide rectifier efficiency of rectification proving installation in a kind of electrolytic series to solve: the problems such as the test of efficiency of rectification is adopted manual measurement and calculated, and can't automatically calculate and form form, and the cost-effective rate of existence is low.
Technical solution of the present invention:
Rectifier efficiency of rectification proving installation in a kind of electrolytic series, it comprises: electric current and voltage vasculum and Rectification Power Factor, the electric current and voltage vasculum is connected on the total line of potroom Rectification Power Factor, it is wired to intelligent recorder, intelligent recorder is wired to supervisory system, wiring place is provided with stoichiometric point behind the wire-outgoing breaker of Rectification Power Factor, intellectual measure and control device is connected on the stoichiometric point of wiring place behind the wire-outgoing breaker, and intellectual measure and control device is received supervisory system by wire.
Rectification Power Factor has 3 to 8 groups, every group of wire-outgoing breaker and intellectual measure and control device that a correspondence is arranged, between connect by wire.
Beneficial effect of the present invention:
The present invention utilizes the data messages such as current/voltage of current acquisition case, intellectual measure and control device and intelligent recorder test loop, automatically is calculated to be active power, by wire information is delivered to supervisory system (SCADA), calculates efficiency of rectification by program
ηAnd automatic report generation, the problem such as the present invention does not need manual intervention, automatically measures and calculates, and the test that has solved efficiency of rectification is adopted manual measurement and calculated, and can't automatically calculate and form form, and the cost-effective rate of existence is low.
Description of drawings:
Fig. 1 is elementary diagram of the present invention.
Embodiment:
Rectifier efficiency of rectification proving installation in a kind of electrolytic series, it comprises (see figure 1): electric current and voltage vasculum 1 and Rectification Power Factor 6, electric current and voltage vasculum 1 is connected on the total line of potroom Rectification Power Factor, it is connected to intelligent recorder 3 by wire 2, intelligent recorder 3 is connected to supervisory system 5 by wire 4, wire-outgoing breaker 11 rear wiring place of Rectification Power Factor 6 are provided with stoichiometric point, intellectual measure and control device 7 is connected on the stoichiometric point of wire-outgoing breaker 11 rear wiring place, and intellectual measure and control device 7 is received supervisory system 5 by wire 4.
Rectification Power Factor 6 has 3 to 8 groups, every group of wire-outgoing breaker 11 and intellectual measure and control device 7 that a correspondence is arranged.
Embodiment (seeing Fig. 1): the present embodiment electrolytic series rectification two telegram in reply source inlet wires of doing, adopt air switch K1 to open as total sky, two power of reversing become outlet, Rectification Power Factor 6 adopts 4 groups, corresponding intellectual measure and control device has quadruplet (numbering 7,8,9,10), access respectively on the rear wiring place stoichiometric point of wire-outgoing breaker 11 of each Rectification Power Factor, be installed in respectively in the pulpit comprehensive automation dish, adopt communication cable 4 to interconnect between them; On-the-spot electric current and voltage vasculum 1 accesses at pulpit intelligent recorder 3 by shielding control cables 2.Intelligent recorder 3 is received supervisory system 5 by communication cable 4.
Electric current and voltage vasculum (1) obtains the 4-20mA signal of two parameters in series, 0.2 grade of its precision, electric current, the voltage signal of intellectual measure and control device (numbering 7,8,9,10) and intelligent recorder 3 inputs precision more than 0.5 grade, calculate active-power P n by these devices, and pass through communication cable 4 and transmit to supervisory system (SCADA) 5, pass through computing formula in supervisory system (SCADA) 5:
Efficiency of rectification
η=∑
Pn/ P5, n=4, n are the Rectification Power Factor number
Calculate efficiency of rectification
ηAnd automatically form form.
Claims (2)
1. rectifier efficiency of rectification proving installation in the electrolytic series, it comprises: electric current and voltage vasculum (1) and Rectification Power Factor (6), it is characterized in that: electric current and voltage vasculum (1) is connected on the total line of potroom Rectification Power Factor, it is connected to intelligent recorder (3) by wire (2), intelligent recorder (3) is connected to supervisory system (5) by wire (4), wiring place is provided with stoichiometric point behind the wire-outgoing breaker (11) of Rectification Power Factor (6), intellectual measure and control device (7) is connected on the stoichiometric point of rear wiring place of wire-outgoing breaker (11), and intellectual measure and control device (7) is received supervisory system (5) by wire (4).
2. rectifier efficiency of rectification proving installation in a kind of electrolytic series according to claim 1, it is characterized in that: Rectification Power Factor (6) has 3 to 8 groups, every group of wire-outgoing breaker (11) and intellectual measure and control device (7) that a correspondence is arranged, between connect by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100777764A CN103323689A (en) | 2012-03-22 | 2012-03-22 | Rectification efficiency test device for rectification station in electrolysis series |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100777764A CN103323689A (en) | 2012-03-22 | 2012-03-22 | Rectification efficiency test device for rectification station in electrolysis series |
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| Publication Number | Publication Date |
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| CN103323689A true CN103323689A (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100777764A Pending CN103323689A (en) | 2012-03-22 | 2012-03-22 | Rectification efficiency test device for rectification station in electrolysis series |
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| CN (1) | CN103323689A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193698A (en) * | 1998-12-25 | 2000-07-14 | Mitsubishi Electric Corp | Testing device for current detector |
| CN1844471A (en) * | 2006-03-09 | 2006-10-11 | 贵阳铝镁设计研究院 | Direct current series detection and control device in aluminium electrolysis factory |
| CN1937346A (en) * | 2006-09-13 | 2007-03-28 | 沈阳铝镁设计研究院 | Power-supply rectifying system at direct current side with protection device |
| CN202583346U (en) * | 2012-03-22 | 2012-12-05 | 贵阳铝镁设计研究院有限公司 | Rectification efficiency testing arrangement of electrolytic series for rectifier station |
-
2012
- 2012-03-22 CN CN2012100777764A patent/CN103323689A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193698A (en) * | 1998-12-25 | 2000-07-14 | Mitsubishi Electric Corp | Testing device for current detector |
| CN1844471A (en) * | 2006-03-09 | 2006-10-11 | 贵阳铝镁设计研究院 | Direct current series detection and control device in aluminium electrolysis factory |
| CN1937346A (en) * | 2006-09-13 | 2007-03-28 | 沈阳铝镁设计研究院 | Power-supply rectifying system at direct current side with protection device |
| CN202583346U (en) * | 2012-03-22 | 2012-12-05 | 贵阳铝镁设计研究院有限公司 | Rectification efficiency testing arrangement of electrolytic series for rectifier station |
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Application publication date: 20130925 |