CN2612120Y - Power panel for a.c. station - Google Patents
Power panel for a.c. station Download PDFInfo
- Publication number
- CN2612120Y CN2612120Y CN 03220370 CN03220370U CN2612120Y CN 2612120 Y CN2612120 Y CN 2612120Y CN 03220370 CN03220370 CN 03220370 CN 03220370 U CN03220370 U CN 03220370U CN 2612120 Y CN2612120 Y CN 2612120Y
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- power supply
- power
- panel
- switch
- electric
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Abstract
The utility model relates to power control technical, in particular to a power screen used in JSD alternative current, characterized in that the connection between the power screen used in alternative-current and a main cable is connected with a protective fuse, a copper row is connected with a dual-power switch and connected with a power small bus of the power screen, the dual-power switch and the power small bus are connected with a current transformer between via the copper row, the power small bus comprise a plurality of power units, while each power unit is connected with a relative output terminal. The utility model can reduce accident, with simple operation and remote control.
Description
Technical field
The utility model relates to the power supply control technology, refers in particular to a kind of JSD and exchanges used power supply panel.
Background technology
At present, the AC power of using in the electric substation is made up of two screens, and active and standby power supply source respectively accounts for a screen, and each piece screen has switching on and off of manually operated main (or a being equipped with) power supply source of disconnecting link control.During normal the operation, main power supply is connected, and the relevant electric equipment power supply in electric substation is equipped with power supply source and disconnects; When main power supply breaks down, by an automatic switching control equipment main power supply that breaks down is disconnected, connect power supply source fully again, guarantee that electric equipment normally moves in the electric substation.The major defect of this power supply panel has the branch, closing operation of 1. active and standby power supply source by manual control, can not carry out the remote control operation, is not suitable for the non-attendant operation's of electric substation requirement.2. do not have electric or mechanical chain between the active and standby power supply source, there is the possibility of the power supply of closing a floodgate simultaneously in active and standby power supply source, brings potential danger to safe operation.
The utility model content
The purpose of this utility model is to design a kind of auxiliary ac power supply source screen, to reduce the generation of fault, handled easily, and realization Long-distance Control.
Its main technical schemes is to be connected the protection fuse with the junction of leader cable at auxiliary ac power supply source screen; utilize copper bar to be connected then with double power supply converting switch; utilize copper bar to be connected again with the little bus of the power supply of power supply panel; utilize copper bar to be connected current transformer with power supply between the little bus at double power supply converting switch, on the little bus of powering, tell a plurality of power supply units.
Each power supply unit is wherein arranged with lead-out terminal separately respectively and is connected.
Panel top at described power supply panel housing is provided with indicator light, instrument and display, at the panel middle part double power supply converting switch is set, and in the panel bottom a plurality of power switchs and indicator light thereof is set.
Back plate top at the power supply panel housing is provided with Programmable Logic Controller and fuse, and the middle part is double power supply converting switch and current transformer, and the bottom is lead-out terminal row.
SIRCOVER-VE type ATS (Automatic Transfer Switch) double power supply automatic transfer switch and DIRIS Ap pattern blocking multifunction instrument that JSD type electric substation auxiliary ac power supply source screen adopts French SOCOMEC company to produce, and the S7-200 Programmable Logic Controller PLC that produces of German SIEMENS company, TD-200 Chinese text display etc.Not only realized electric and mechanical two locking, guaranteed the safe and reliable switching of power supply, operational mode is versatile and flexible, also can realize the concentrated monitoring of many electric weight, and according to user's needs access remote monitoring and controlling system, therefore it is applicable to that electric substation, communications equipment room, high-rise Balkh etc. need the place of uninterrupted power supply, are specially adapted to unwatched electric substation.
The utility model has the advantages that:
1, machinery and electric pair of locking, the JSD system not only has tight electric blocking logical circuit, and the ATS switch has unique mechanical lock.
2, adopt S7-200 Programmable Logic Controller PLC, self-editing monitoring software, monitoring ATS twin-power switch and system condition, multiple operational mode is set arbitrarily, adopts the DIRIS-AP multifunction instrument to measure all parameters of power supply.
3, liquid crystal display screen Chinese shows that touch button is operated easy and convenient.
4, system has the RS485 port, can conveniently insert Synthetic Automation System of Transformer Substation.
5, go out wiretap and all have the tripping alarm contact, in time find the fault outlet.
Compact conformation, rationally.Panel is kept to one side by two traditional faces.
Description of drawings
Fig. 1 is the front elevation of power supply panel housing.
Fig. 2 is the reverse side figure of power supply panel housing.
Fig. 3 is the primary connection figure of power supply panel.
Fig. 4 is twice winding diagram of power supply panel.
Embodiment
Fig. 1; in 2: 1; 2 are respectively the 1st; 2 groups of fuse IRDa; b; c and IIRDa; b; c; 3 is double power supply converting switch AST; 4 is current transformer LH; 5; 6 are respectively two groups of air switch 1～8DK and 9～16DK; each air switch corresponds respectively to power supply unit separately; 7 is inlet wire and control power work indicator light 1BD～4BD; 8 is power supply output loop relay indicating light 1～16XD; 9 is the electric current and the isoparametric instrument V of voltage of surveying work power supply; 10 is display XZ; be used to show and control the working condition of PLC; 11 is Programmable Logic Controller PLC; be the ac panel main control unit; 12 is diverter switch QK; can carry out a distant place or control switching on the spot; 13 is voltage monitoring module 1～3YJ; be used for monitoring incoming power voltage; 14; 15 represent two groups little repeat circuit 1～8K respectively; 1～2KA; be the main control unit relay; 16; 17 are respectively two groups of fuse 1～3RD and 4～6RD; be used for the voltage measurement circuit protection; 18 is kilowatt-hour meter Wh; be the electric metering device of power supply panel, 19; 20 are respectively outlet terminal row D1; D2 is the excessive joint in centre of power supply output loop; 21 is secondary connection terminal board D; be excessive joint in the middle of the signal controlling loop, 22 is ac panel busbar A; B; C; N is the total busbar of branch supply output loop.
The ac panel operation principle is as shown in Figure 3: the 400V side of #1, #2 house transformer in electric substation at first, with 35 square millimeters power cable, active and standby power supply source is introduced auxiliary ac power supply source screen respectively.In the junction of auxiliary ac power supply source screen with leader cable, two groups of protection fuse IRDa, b, c and IIRDa, b, c are housed, its effect is when electric elements break down in ac panel, to be cut off the electricity supply by this fuse, guarantees the safety of electric equipment.Its installation site is shown in 1, No. 2 element among Fig. 2.
Active and standby power supply source is behind overcurrent fuse, and by copper bar access double power supply converting switch AST, the main effect of AST is to adopt mutual closedown mode, only switches one road power supply (or the master supplies or be equipped with to supply) and powers to little bus A, B, C, the N of auxiliary ac power supply source screen.The installation site of AST is shown in No. 3 elements among Fig. 1,2.Process is switched later power supply (or the master supplies or be equipped with to supply) and is inserted current transformer LHa, b, c again, the effect of current transformer as shown in Figure 4, be that big electric current with electrical source of power is converted into the signal code amount, insert electric energy metrical and loops such as table instrumentation amount and supervision, its installation site is shown in No. 4 elements among Fig. 2.
After power supply process current transformer LHa, b, the c, the formal incoming transport power supply panel little bus of powering, the effect of little bus is that one road power supply is told 16 power supply units, (1～16DK) is independently-powered, and every road power supply unit also is furnished with operating state supervisory signal lamp (1～16XD) by each power supply P cock.Its installation site is shown in 5,6,8, No. 21 elements among Fig. 1.Each road power supply of process power supply P cock inserts the excessive joint in centre (D1, D2) separately more respectively, and joint is connected with the output cable in each loop thus.The installation site of middle excessively joint (D1, D2) is shown in 18, No. 19 elements in the layout plan.
Shown in auxiliary ac power supply source screen panel layout plan, except elements such as switch that necessary 400V electrical source of power is installed, fuse, also be equiped with and be used to the secondary component that measures, measure and monitor.No. 17 elements (WH) are kilowatt-hour meters, are used to measure the output electric weight of ac panel, and its winding diagram as shown in Figure 4.No. 9 elements (V) are the meter meters of voltage and current, and this table meter has distant place coffret, voltage, current signal can be transferred to the remote monitoring center, satisfies the unwatched requirement of electric substation.Its winding diagram as shown in Figure 4.No. 11 element PLC is a Programmable Logic Controller, is used for the operating state of control its switch AST, is the core of control loop, and its winding diagram as shown in Figure 4.No. 10 elements T D200 is a display, and have operation interface, and being used to show and change the operating state and the switching mode of Programmable Logic Controller, diverter switch, this display also has distant place coffret, Surveillance center operates, monitors in the distance, satisfies the unwatched requirement of electric substation.Remaining some element all is used to control and the excessive element in the centre of signal circuit, and function is fairly simple, all marks on the ac panel secondary connection diagram.
Main electric component is as follows in the screen:
1, ATS switch selects for use the SIRCOVER-VE type switch of SOCOMEC company, switch to have machinery and electric pair of blocking function, and Switch main body adopts the hermetically sealed design of special damp and hot material, avoids contact oxidation and electric arc to leak.
2, PLC control module and TD200 display module, control module adopts the S7-200 Programmable Logic Controller (CPU224) and the TD200 Chinese text display of SIEMENS company.Be responsible for the operational mode control and local operation and relevant fixed value modification of ATS switch, control module has the RS485 communication interface.
3, multifunction instrument (V), select the DIRIS-AP multifunction instrument of SOCOMEC company for use, can comprise three-phase current, three-phase line voltage, phase voltage, frequency, meritorious to all electric parameters on the bus, reactive power, power factor, electricity etc. patrol survey, and the RS485 interface is arranged.
4, (1～16DK) goes out wiretap selects the SIEMENS miniature circuit breaker for use, and has the fault alarm contact.
The operation guide rule:
1, by F1: set: fixedly power supply that 1# becomes.
2, by F2: set: fixedly power supply that 2# becomes.
3, by F3: set: automatic switching 1# becomes main the confession.
4, press F4; Set: automatic switching 2# becomes main the confession.
5, press F5 (SHIFT+F1): set; Stop power supply switch to 0.
6, press F6 (SHIFT+F2): deferred action time and return action time are adjusted.
7, press F7 (SHIFT+F3): signal return.
8, press F8 (SHIFT+F4): the affirmation of 1～5 operation.
Under the normal condition, be generally operational in automatic switching 1# (2#) and become main for pattern.TD200 shows the work at present pattern.
Claims (4)
1, a kind of auxiliary ac power supply source screen; it is characterized in that being connected the protection fuse with the junction of leader cable at auxiliary ac power supply source screen; utilize copper bar to be connected then with double power supply converting switch; utilize copper bar to be connected again with the little bus of the power supply of power supply panel; utilize copper bar to be connected current transformer with power supply between the little bus at double power supply converting switch, on the little bus of powering, tell a plurality of power supply units.
2, power supply panel according to claim 1 is characterized in that each power supply unit is connected with separately lead-out terminal row respectively.
3, power supply panel according to claim 1, it is characterized in that being provided with indicator light (7), instrument (9), (12) and display (10) on the panel top of power supply panel housing, at the panel middle part double power supply converting switch (3) is set, a plurality of power switchs and indicator light (8) thereof are set in the panel bottom.
4, power supply panel according to claim 1 is characterized in that on the back plate top of power supply panel housing Programmable Logic Controller (11) and fuse being set, and the middle part is double power supply converting switch (3) and current transformer (4), and the bottom is lead-out terminal row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03220370 CN2612120Y (en) | 2003-03-14 | 2003-03-14 | Power panel for a.c. station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03220370 CN2612120Y (en) | 2003-03-14 | 2003-03-14 | Power panel for a.c. station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2612120Y true CN2612120Y (en) | 2004-04-14 |
Family
ID=34161856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03220370 Expired - Fee Related CN2612120Y (en) | 2003-03-14 | 2003-03-14 | Power panel for a.c. station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2612120Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110957A (en) * | 2010-12-24 | 2011-06-29 | 深圳市华通电气设备有限公司 | Operation panel of intelligent distribution board for metro weak current uninterruptible power system (UPS) system |
| CN102735960A (en) * | 2008-11-07 | 2012-10-17 | 上海凯华电源成套设备有限公司 | Intelligent failure monitoring and alarm method of alternating current panel |
| CN102891527A (en) * | 2012-09-13 | 2013-01-23 | 辽宁省电力有限公司葫芦岛供电公司 | Power supply switching device of alternating current screen for communication |
| CN103560418A (en) * | 2013-11-19 | 2014-02-05 | 国家电网公司 | Method for reducing substation distribution board failure times |
-
2003
- 2003-03-14 CN CN 03220370 patent/CN2612120Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735960A (en) * | 2008-11-07 | 2012-10-17 | 上海凯华电源成套设备有限公司 | Intelligent failure monitoring and alarm method of alternating current panel |
| CN102110957A (en) * | 2010-12-24 | 2011-06-29 | 深圳市华通电气设备有限公司 | Operation panel of intelligent distribution board for metro weak current uninterruptible power system (UPS) system |
| CN102110957B (en) * | 2010-12-24 | 2013-01-09 | 深圳市华通电气设备有限公司 | Operation panel of intelligent distribution board for metro weak current uninterruptible power system (UPS) system |
| CN102891527A (en) * | 2012-09-13 | 2013-01-23 | 辽宁省电力有限公司葫芦岛供电公司 | Power supply switching device of alternating current screen for communication |
| CN103560418A (en) * | 2013-11-19 | 2014-02-05 | 国家电网公司 | Method for reducing substation distribution board failure times |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |