CN102545369A - Double-power supply device for large control system - Google Patents
Double-power supply device for large control system Download PDFInfo
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- CN102545369A CN102545369A CN2010106027137A CN201010602713A CN102545369A CN 102545369 A CN102545369 A CN 102545369A CN 2010106027137 A CN2010106027137 A CN 2010106027137A CN 201010602713 A CN201010602713 A CN 201010602713A CN 102545369 A CN102545369 A CN 102545369A
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Abstract
The invention discloses a double-power supply device for a large control system. In a circuit of a main power supply device, a lightning protection system (3) is connected with a power automation system PAS (5) through an uninterruptible power supply (UPS) (1) with a battery pack (4); the power automation system PAS (5) is connected with a main power supply circuit of electric equipment; and in a circuit of a secondary power supply device, the lightning protection system (3) is connected with the power automation system PAS (5) through a variable voltage stabilization system (2) comprising a transformer and a voltage stabilizer; the power automation system PAS (5) is connected with a secondary power supply circuit of the electric equipment; and the main power supply device and the secondary power supply device are connected or disconnected through the power automation system PAS (5). When a power supply system fails, another power supply system can normally supply power to the control system; and therefore, the operation is simple, the manpower and material resources are reduced, the labor cost is saved, the working efficiency is improved, and the probability of safety accidents is greatly reduced.
Description
Technical field
The present invention relates to a kind of large-scale control system electric supply installation.
Background technology
Along with the development of suitability for industrialized production, various large-scale control systems are widely used, and can stablize healthy operation for guaranteeing control system; Prevent to cause loss of data because of power failure; Just must provide uninterrupted power supply to supply with to control system, conventional uninterrupted power supply always has such-and-such defective, makes The whole control system healthyly fully not move; According to design experiences and field practice for many years; Invent distributing rationally of a kind of duplicate supply uninterrupted power supply, see, be worth greatly developing and promoting from the result of use at scene.
Traditional large-scale control system electric power system is shown in accompanying drawing 1, and the electric 380VAC power supply of sending here is earlier through fuse F 1 and F2 (F1 and F2 are parallel connection), through inserting lightning protection device behind the F2; Through inserting master switch DK1 behind the F1; Insert uninterrupted power supply UPS then, parallel connection inserts three-phase voltage transducer SW1 between DK1 and UPS, (in three-phase (the A1 phase among the figure of 380VAC; The B1 phase; The C1 phase) insert electric pressure converter SW1 respectively, the termination that goes out of SW1 is gone into voltmeter V1, and purpose is to detect whether voltage between phases is 220VAC).UPS is two sections outlets, and one section is inserted battery pack, fuse F 3 of string on the L line of battery pack; Shunt voltage Table V 3 on L line and the N line; Another section outlet series connection access ammeter A1 and parallel connection insert voltmeter V2, insert double-pole cut-out DK2 then, and DK2 comes out, and ((n representes several circuit breakers to S101 ~ S1nn to the direct access power supply in back circuit breaker; The capacity of circuit breaker is the rated capacity of each power supply unit)); S101 ~ S1nn connects respectively, and (HL101 ~ HL1nn), signal lamp is installed on the power supply machine cabinet panel signal lamp, and S101 ~ S1nn is the power supply circuit breaker of each power consumption equipment of control system.
Traditional control system powering mode can only provide one road power supply to the control system power consumption equipment, and any one equipment in electric power system breaks down, and all can't guarantee the control system continuous firing, causes the control system loss of data, thereby influence is produced.
To the defective of traditional control system powering mode, invent out a kind of novel control system powering mode.
Summary of the invention
Technical problem to be solved by this invention is; A kind of large-scale control system dual power supply device is provided, and this device can also prevent that except power supply being provided to control system thunder and lightning from destroying electric power system and control system; Break down to overcome any one equipment in electric power system that prior art exists; All can't guarantee the control system continuous firing, cause the control system loss of data, thus deficiencies such as influence production.
The technical scheme that the present invention adopts is following: it comprises uninterrupted power supply UPS, lightning-protection system and battery pack; The circuit of main power source electric supply installation is the uninterrupted power supply UPS connection power transfer device PAS that lightning-protection system passes through the charged pool group, and power transfer device PAS connects the main power source circuit of power consumption equipment; The circuit of auxiliary power electric supply installation is that lightning-protection system is connected power transfer device PAS through the transformation voltage-stabilizing system that comprises transformer and pressurizer, and power transfer device PAS connects the auxiliary power circuit of power consumption equipment; The main power source electric supply installation is communicated with through power transfer device PAS with the auxiliary power electric supply installation or breaks off.
The circuit of main power source electric supply installation is: supply line inserts lightning protection device through fuse F 2, through inserting master switch DK1 behind the F1, inserts uninterrupted power supply UPS then; Parallel connection inserts three-phase voltage transducer SW1 between DK1 and UPS, and the termination that goes out of SW1 is gone into voltmeter V1, and UPS is two sections outlets; One section is inserted battery pack; Fuse F 3 of string on the L line of battery pack, shunt voltage Table V 3 on L line and the N line, another section outlet series connection inserts ammeter A1 and inserts voltmeter V2 with parallel connection; Insert double-pole cut-out DK2 then, insert automatic power switch PAS after DK2 comes out; The circuit of auxiliary power electric supply installation is: supply line inserts lightning protection device through fuse F 4; Insert master switch DK3 through F5; Master switch DK3 connects the transformation voltage-stabilizing system; Parallel connection inserts three-phase voltage transducer SW2 between master switch DK3 and transformer, and the termination that goes out of three-phase voltage transducer SW2 is gone into voltmeter V5; Pressurizer outlet series connection inserts ammeter A2 and inserts voltmeter V4 with parallel connection, and inserts double-pole cut-out DK4, and double-pole cut-out DK4 connects power transfer device PAS.
The present invention can make the duplex feeding system can switch (switching time is less than 30 milliseconds) each other; When one tunnel electric power system wherein breaks down; Can both guarantee that other one the tunnel can normally supply power to control system, thereby reduce power supply trouble, protect the positive control system to greatest extent and can normally move.
Description of drawings:
Fig. 1 is traditional control system power supply the principle figure;
Fig. 2 is main power source power supply the principle figure of the present invention;
Fig. 3 is auxiliary power power supply the principle figure of the present invention.
Embodiment
Embodiments of the invention: the present invention is integrated into an electric power system; Comprise uninterrupted power supply UPS1, isolation transformation voltage-stabilizing system 2, lightning-protection system 3, battery pack 4, power transfer device PAS5 are installed; The circuit of main power source electric supply installation is the uninterrupted power supply UPS1 connection power transfer device PAS5 of lightning-protection system 3 through charged pool group 4, and power transfer device PAS5 connects the main power source circuit of power consumption equipment; The circuit of auxiliary power electric supply installation is that lightning-protection system 3 is connected power transfer device PAS5 through the transformation voltage-stabilizing system 2 that comprises transformer and pressurizer, and power transfer device PAS5 connects the auxiliary power circuit of power consumption equipment; The main power source electric supply installation is communicated with through power transfer device PAS5 with the auxiliary power electric supply installation or breaks off.
Come two-way 380VAC power supply from electric, existing each road power configuration described:
One the road earlier through fuse F 1 and F2 (F1 and F2 are parallel connection), through inserting lightning protection device 3 behind the F2, through inserting master switch DK1 behind the F1; Insert uninterrupted power supply UPS1 then, parallel connection inserts three-phase voltage transducer SW1 between DK1 and UPS1, (in three-phase (the A1 phase among the figure of 380VAC; The B1 phase; The C1 phase) insert electric pressure converter SW1 respectively, the termination that goes out of SW1 is gone into voltmeter V1, and purpose is to detect whether voltage between phases is 220VAC).Uninterrupted power supply UPS1 is two sections outlets, and one section is inserted battery pack 4, fuse F 3 of string on the L line of battery pack 4; Shunt voltage Table V 3 on L line and the N line; Another section outlet is connected and is inserted ammeter A1 and parallel connection access voltmeter V2, inserts double-pole cut-out DK2 then, inserts power transfer device PAS5 after DK2 comes out; Power transfer device PAS5 goes out line parallel and inserts some power supply circuit breakers ((n representes several circuit breakers to S101 ~ S1nn; The capacity of circuit breaker is the rated capacity of each power supply unit)), S101 ~ S1nn connects respectively, and (HL101 ~ HL1nn), signal lamp is installed on the power supply machine cabinet panel signal lamp; S101 ~ S1nn is the main power supply circuit breaker of each power consumption equipment of control system, shown in accompanying drawing 2.
Another road is earlier through fuse F 4 and F5 (F4 and F5 are parallel connection), through inserting lightning protection device 3 behind the F4, through inserting master switch DK3 behind the F5; Insert transformer TF then, insert pressurizer VS after transformer comes out again, parallel connection inserts three-phase voltage transducer SW2 between DK3 and transformer TF; (three-phase (A1 phase among the figure, B1 phase, C1 phase) at 380VAC inserts electric pressure converter SW2 respectively; The termination that goes out of SW2 is gone into voltmeter V5, and purpose is to detect whether voltage between phases is 220VAC).Pressurizer VS outlet series connection inserts ammeter A2 and inserts voltmeter V4 with parallel connection; Insert double-pole cut-out DK4 then, after DK4 comes out, insert power transfer device PAS5; Power transfer device PAS5 goes out the some power supply circuit breakers of line parallel, and ((n representes several circuit breakers to S201 ~ S2nn; The capacity of circuit breaker is the rated capacity of each power supply unit)), S201 ~ S2nn connects respectively, and (HL201 ~ HL2nn), signal lamp is installed on the power supply machine cabinet panel signal lamp; S201 ~ S2nn is the pair power supply circuit breaker of each power consumption equipment of control system, shown in accompanying drawing 3.
Claims (2)
1. large-scale control system dual power supply device; It comprises uninterrupted power supply UPS (1), lightning-protection system (3) and battery pack (4); It is characterized in that: the circuit of main power source electric supply installation is uninterrupted power supply UPS (1) the connection power transfer device PAS (5) of lightning-protection system (3) through charged pool group (4), and power transfer device PAS (5) connects the main power source circuit of power consumption equipment; The circuit of auxiliary power electric supply installation is that lightning-protection system (3) is connected power transfer device PAS (5) through the transformation voltage-stabilizing system (2) that comprises transformer and pressurizer, and power transfer device PAS (5) connects the auxiliary power circuit of power consumption equipment; The main power source electric supply installation is communicated with through power transfer device PAS (5) with the auxiliary power electric supply installation or breaks off.
2. large-scale control system dual power supply device according to claim 1, it is characterized in that: the circuit of main power source electric supply installation is: supply line inserts lightning protection device (3) through fuse F 2, through inserting master switch DK1 behind the F1; Insert uninterrupted power supply UPS (1) then; Parallel connection inserts three-phase voltage transducer SW1 between DK1 and UPS (1), and the termination that goes out of SW1 is gone into voltmeter V1, and UPS (1) is two sections outlets; One section is inserted battery pack (4); Fuse F 3 of string on the L line of battery pack, shunt voltage Table V 3 on L line and the N line, another section outlet series connection inserts ammeter A1 and inserts voltmeter V2 with parallel connection; Insert double-pole cut-out DK2 then, insert automatic power switch PAS (5) after DK2 comes out; The circuit of auxiliary power electric supply installation is: supply line inserts lightning protection device (3) through fuse F 4; Insert master switch DK3 through F5; Master switch DK3 connects transformation voltage-stabilizing system (2); Parallel connection inserts three-phase voltage transducer SW2 between master switch DK3 and transformer, and the termination that goes out of three-phase voltage transducer SW2 is gone into voltmeter V5; Pressurizer outlet series connection inserts ammeter A2 and inserts voltmeter V4 with parallel connection, and inserts double-pole cut-out DK4, and double-pole cut-out DK4 connects power transfer device PAS (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106027137A CN102545369A (en) | 2010-12-23 | 2010-12-23 | Double-power supply device for large control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106027137A CN102545369A (en) | 2010-12-23 | 2010-12-23 | Double-power supply device for large control system |
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| Publication Number | Publication Date |
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| CN102545369A true CN102545369A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106027137A Pending CN102545369A (en) | 2010-12-23 | 2010-12-23 | Double-power supply device for large control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009490A (en) * | 2014-06-13 | 2014-08-27 | 国网上海市电力公司 | Mobile energy storage system for dual power supply |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6051893A (en) * | 1998-10-29 | 2000-04-18 | Mitsubishi Denki Kabushiki Kaisha | Electric power supply system for load |
| CN2648681Y (en) * | 2001-12-20 | 2004-10-13 | 艾默生网络能源有限公司 | Auxiliary power supply device for large power uninterruption power source equipment |
| US20080197706A1 (en) * | 2007-02-21 | 2008-08-21 | Henning Roar Nielsen | 3-Phase High Power UPS |
| CN201466790U (en) * | 2009-08-31 | 2010-05-12 | 河北实华科技有限公司 | Integrated power distribution system of modularized UPS |
| CN201877879U (en) * | 2010-12-23 | 2011-06-22 | 贵阳铝镁设计研究院 | Dual-power supply device for large-scale control system |
-
2010
- 2010-12-23 CN CN2010106027137A patent/CN102545369A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6051893A (en) * | 1998-10-29 | 2000-04-18 | Mitsubishi Denki Kabushiki Kaisha | Electric power supply system for load |
| CN2648681Y (en) * | 2001-12-20 | 2004-10-13 | 艾默生网络能源有限公司 | Auxiliary power supply device for large power uninterruption power source equipment |
| US20080197706A1 (en) * | 2007-02-21 | 2008-08-21 | Henning Roar Nielsen | 3-Phase High Power UPS |
| CN201466790U (en) * | 2009-08-31 | 2010-05-12 | 河北实华科技有限公司 | Integrated power distribution system of modularized UPS |
| CN201877879U (en) * | 2010-12-23 | 2011-06-22 | 贵阳铝镁设计研究院 | Dual-power supply device for large-scale control system |
Non-Patent Citations (1)
| Title |
|---|
| 李焦明: "大型UPS***应用技术要点", 《电力自动化设备》, vol. 25, no. 4, 30 April 2005 (2005-04-30), pages 86 - 89 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104009490A (en) * | 2014-06-13 | 2014-08-27 | 国网上海市电力公司 | Mobile energy storage system for dual power supply |
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Application publication date: 20120704 |