CN200997491Y - Intelligent AC distributing screen for station - Google Patents
Intelligent AC distributing screen for station Download PDFInfo
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- CN200997491Y CN200997491Y CN 200620148009 CN200620148009U CN200997491Y CN 200997491 Y CN200997491 Y CN 200997491Y CN 200620148009 CN200620148009 CN 200620148009 CN 200620148009 U CN200620148009 U CN 200620148009U CN 200997491 Y CN200997491 Y CN 200997491Y
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Abstract
The utility model relates to an intelligent communication power distribution screen for the transformer substation which comprises a machine cabinet and is characterized in that the machine cabinet is provided with an input part (1), an AC measuring part (2), a current leakage measuring part (3), a control part (4), an executive part (5), an output part (6) and a power supply part (7), wherein the input part (1) comprises a wiring-in terminal line (101), a breaker (102) and an lightning-protection device (103); the AC measuring part (2) is an intelligent AC measuring module (106); the current leakage measuring part (3) is a current leakage sensor (107); the control part (4) comprises a programmable controller (108) and a touch screen (109); the executive part (5) comprises a fuse load separation switch (104) and a PC automatic switch (105); the output part (6) is the wiring-put terminal line (110); the power supply part (7) comprises a sine wave inverting power supply (111) and a power supply module (112); the wiring-in terminal line (101) of the input part (1) is connected with a wire that is connected with the lightning-protection device (103) through the breaker (102); the wire connected with the wiring-in terminal line (101) passes another breaker (102) and is connected with the fuse load separation switch (104) and the PC grade automatic switch (105) of the executive part (5); the output wire of the executive part (5) passes the current leakage measuring part (3) to connect the wiring-out terminal line (110) of the output part (6); the input terminal of the AC electrical measuring part (2) is connected with the wire between the input part (1) and the executive part (5).
Description
Technical field
The utility model belongs to a kind of low-voltage alternating-current power distribution cabinet.
Background technology
At present, the transformer station station is to be made of automatic change-over, circuit breaker, Programmable Logic Controller, display operation module, electric quantity monitoring module, voltage monitoring module, auxiliary relay and universal seclector with the low-voltage alternating current power supply cabinet.The automatic change-over that the transformer station station of this kind structure is adopted with the low-voltage alternating current power supply cabinet is the on-load switch type, the control of " I-O-II " syllogic, motor driven, its change-over time of long and short road electric current tolerance low, useful life is short and do not possess overlapping conversion of the neutral line and same-phase translation function, function is incomplete, only is applicable to the distribution system to duplicate supply less demanding transformer station change-over time; The transformer station station of this kind structure is poor with low-voltage alternating current power supply cabinet man-machine interface, and Operation and Maintenance inconvenience and element are various, the loop is complicated.
The utility model content
A purpose of the present utility model is to solve weak point of the prior art, provides a kind of switch speed fast and stable, has earth leakage protective, overcurrent protection, avoids the station intelligent AC power supply panel of instantaneous surge voltage influence.
Shield with intelligent AC distribution at station of the present utility model, comprise rack, be provided with the importation in the rack, the ac electric quantity measuring part, the leakage current measurement part, control section, operating part, output and power unit, the importation comprises input terminal row, circuit breaker and lightning protection device, ac electric quantity measuring partly is an intelligent AC electrical measurement module, leakage current measurement partly is a leakage current sensor, control section comprises Programmable Logic Controller and touch-screen, operating part comprises fuse load-break switch and PC level automatic change-over, output is outlet terminal row, and power unit comprises sine-wave inverter and power module.
The input terminal row of described importation connects electric wire, electric wire links to each other with described lightning protection device through described circuit breaker, and after organizing circuit breaker through another, the electric wire that connects input terminal row links to each other in proper order with PC level automatic change-over with the fuse load-break switch of described operating part, the output electric wire of described operating part links to each other with the outlet terminal row of described output through described leakage current measurement part, the input of described ac electric quantity measuring part links to each other with electric wire between described input part and the operating part by electric wire, the signal output part of described ac electric quantity measuring part and leakage current measurement part links to each other with the Programmable Logic Controller of described control section, described Programmable Logic Controller is connected with described touch-screen by telecommunication cable, the sine-wave inverter of described power unit is given described Programmable Logic Controller, described intelligent AC electrical measurement module and described power module provide working power, and described power module provides working power for described touch-screen and described leakage current sensor.
By measurement module collections such as intelligent AC electrical measurement module, leakage current sensors and transmit various electrical quantitys to Programmable Logic Controller, state by Programmable Logic Controller monitoring two-way incoming power, control the automatic conversion of PC level automatic change-over, realize the uninterrupted power supply of load.Can realize electricly and mechanical interlocked, switch speed is fast and stable, has earth leakage protective, overcurrent protection, avoids the influence of instantaneous surge voltage surging.Have abundant alarm and parameter Presentation Function.
Description of drawings
Fig. 1 is the part block diagram of station of the present utility model with the intelligent AC distribution screen.
Fig. 2,3 is the circuit theory diagrams of station of the present utility model with the intelligent AC distribution screen.
Embodiment
The utility model relates to a kind of transformer station station and shields with intelligent AC distribution, below in conjunction with accompanying drawing, feature of the present utility model is elaborated:
Fig. 1 is the part block diagram of station of the present utility model with the intelligent AC distribution screen, station of the present utility model as can be seen comprises importation 1 with the intelligent AC distribution screen, ac electric quantity measuring part 2, leakage current measurement part 3, control section 4, operating part 5, output 6 and power unit 7, importation 1 comprises input terminal row 101, circuit breaker 102 and lightning protection device 103, ac electric quantity measuring part 2 is an intelligent AC electrical measurement module 106, leakage current measurement part 3 is a leakage current sensor 107, control section 4 comprises Programmable Logic Controller 108 and touch-screen 109, operating part 5 comprises fuse load-break switch 104 and PC level automatic change-over 105, output 6 is outlet terminal row 110, and power unit 7 comprises sine-wave inverter 111 and power module 112.
Fig. 2,3 is the circuit theory diagrams of station of the present utility model with the intelligent AC distribution screen, station of the present utility model as can be seen comprises components and parts: circuit breaker Q F1 with the intelligent AC distribution screen, QF2, QF3, QF4, QF5, QF6 and QF7, PC level automatic change-over ATS1 and ATS2, lightning protection device F1, F2, fuse load-break switch Q1, Q2, Q3, Q4, leakage current sensor HE1, HE2, Programmable Logic Controller PLC, touch-screen AP, power module DY, intelligent AC electrical measurement module QM1, QM2, sine-wave inverter AM, indicator light HW, 1HW, 2HW, 3HW, 4HW, 5HW, 6HW, HR, 1HR, 2HR, 3HR, 4HR, universal seclector 1SA, 2SA, 3SA, auxiliary relay K1, K2, K3, K4, K5, K6.The 300C3600H1 type automatic change-over that above-described PC level automatic change-over is U.S. ASCO, circuit breaker Q F1, QF2 adopts the mold cased circuit breaker of the NSD630K series of Schneider, fuse load-break switch Q1, Q2, Q3, Q4 adopts German Vinal's WOQ-630/OF type fuse load-break switch, lightning protection device F1, F2 adopts the instantaneous surge voltage surge suppressor of the Pulsar351 series of U.S. ASCO, during adopting, Programmable Logic Controller reaches the logical DVP32EH type Programmable Logic Controller of electricity, during adopting, touch-screen AP reaches the logical DOP-A57GSTD type man-machine interface product of electricity, during adopting, power module reaches the logical S-145-24 type power module of electricity, intelligent AC electrical measurement module QM1, QM2 adopts PRE4103 type ac electric quantity measuring module, sine-wave inverter AM adopts C2KVA type sine-wave inverter, universal seclector 1SA, 2SA, 3SA is a LW8-10D type universal seclector.
There is two-way input power supply at station of the present utility model with intelligent AC distribution screen, is respectively power supply one and power supply two, and they are connected on terminal 1U, 1V, 1W, 1N and 2U, 2V, 2W, the 2N of the input terminal row in the switchboard.
With reference to Fig. 2 and Fig. 3, syndeton concrete between each parts is as follows: the input terminal row's who is connected with power supply one terminal 1N is connected to the N end of lightning protection device F1, the end of indicator light 1HW, be connected to simultaneously the N end of intelligent AC electrical measurement module QM1, be connected to the NN end of automatic change-over ATS1, ATS2 through electric power incoming line switch QF1 and automatic change-over side service entrance switch Q1, Q3 through electric power incoming line switch QF1; The input terminal row's who is connected with power supply one terminal 1U, 1V, 1W are connected to A, B, the C end of lightning protection device F1 through lightning protection device switch QF3, receive simultaneously NA, NB, the NC end of automatic change-over ATS1, ATS2, receive VA, VB, the VC end of intelligent AC electrical measurement module QM1 simultaneously through electric power incoming line switch QF1 and protective tube 3FU, 4FU, 5FU through electric power incoming line switch QF1 and automatic change-over side service entrance switch Q1, Q3.The functional interface 1V that is connected with power supply one receives the other end of indicator light 1HW through protective tube 1FU.
The input terminal row's who is connected with power supply two terminal 2N is connected to the N end of lightning protection device F2, the end of indicator light 2HW, be connected to simultaneously the N end of intelligent AC electrical measurement module QM2, be connected to the EN end of automatic change-over ATS1, ATS2 through electric power incoming line switch QF2 and automatic change-over side service entrance switch Q2, Q4 through electric power incoming line switch QF2; The input terminal row's who is connected with power supply two terminal 2U, 2V, 2W are connected to A, B, the C end of lightning protection device F2 through lightning protection device switch QF4, receive simultaneously EA, EB, the EC end of automatic change-over ATS1, ATS2, receive VA, VB, the VC end of intelligent AC electrical measurement module QM2 simultaneously through electric power incoming line switch QF2 and protective tube 6FU, 7FU, 8FU through electric power incoming line switch QF2 and automatic change-over side service entrance switch Q2, Q4; The functional interface 2V that is connected with power supply two receives the other end of indicator light 2HW through protective tube 2FU.The GND of lightning protection device F1, F2 holds direct ground connection.
The NA of automatic change-over ATS1, NC, EA, EC end meet indicator light 3HW, 4HW respectively through protective tube 9FU, 10FU, 11FU, 12FU respectively; The NA of automatic change-over ATS2, NC, EA, EC end meet indicator light 5HW, 6HW respectively through protective tube 13FU, 14FU, 15FU, 16FU respectively.
The LA of automatic change-over ATS1, ATS2, LB, LC, LN end are connected to 2A, 2B, 2C, the 2N end of 1A, 1B, 1C, 1N end and the II section load output bus of I section load output bus respectively through leakage current sensor HE1, HE2.
Draw from 1B, the 1N of I section load output bus and be directly connected to the input of inverter AM through inverter power supply switch QF5, external dc power is connected to the input of inverter AM through DC power supply switch QF6; The output L end of inverter AM is directly connected to the A end of Programmable Logic Controller PLC, the AC1 end of electrical measurement module QM1, QM2, the L end of power module DY through circuit breaker Q F7 and protective tube 17FU; Simultaneously receive 10,12 ends on automatic change-over ATS1, the ATS2 Switch main body through indicator light 1HR, 2HR, 3HR, 4HR; Simultaneously through the C1 end that 3., 4. terminates to Programmable Logic Controller PLC of universal seclector 1SA, simultaneously through universal seclector 1SA 5. 6. end and the Long-distance Control point Y4, the Y5 that receive Programmable Logic Controller PLC hold; Simultaneously 1. through universal seclector 1SA, 2. end and universal seclector 2SA are 1., 2. terminate to the end of auxiliary relay K1, simultaneously 1. through universal seclector 1SA, 2. end and universal seclector 2SA are 3., 4. terminate to the end of auxiliary relay K3, simultaneously 1. through universal seclector 1SA, 2. end and universal seclector 3SA are 1., 2. receive the end of auxiliary relay K4, simultaneously 1. through universal seclector 1SA, 2. end and universal seclector 3SA are 3., 4. terminate to the end of auxiliary relay K6, the output N end of inverter AM is connected to the C end of Programmable Logic Controller PLC through circuit breaker Q F7, the N end of power module DY, intelligent AC electrical measurement module QM1, the AC2 end of QM2, automatic change-over ATS1, on the ATS2 Switch main body 11,13 ends, auxiliary relay K1, K3, K4, the other end of K6 is simultaneously through auxiliary relay K2, K5 receives the Y4 of Programmable Logic Controller PLC, the Y5 end; The COM end of power module DY is connected to the 24G end of Programmable Logic Controller PLC, the COM end of touch-screen AP, the end of relay indicating light HW, while is received the Y0 of Programmable Logic Controller PLC through buzzer FM and malfunction indicator lamp HR, the Y1 end is simultaneously through circuit breaker Q F1, QF2, the auxiliary contact of QF3 and QF4, switch Q1, Q2, Q3, the auxiliary contact of Q4, lightning protection device fault alarm point F1, F2, automatic change-over ATS1, the auxiliary contact of automatic change-over ATS2, fault of converter alarm point AM1, AM2, reset button SB directly receives the XO of Programmable Logic Controller PLC, X1, X2, X3, X4, X5, X6, X7, X10, X11, X12, X13, X14, X15, X16, X17, X24; Power module DY+V end through protective tube 18FU be connected to Programmable Logic Controller PLC+24V, S/S, C0 end, touch-screen AP+other end of V end, relay indicating light HW.
Leakage current sensor HE1, HE2+V1 end through protective tube 19FU be directly connected to power module DY+the V1 end, the COM1 end of leakage current sensor HE1, HE2 is directly connected to the COM1 end of power module DY, the M1 of leakage current sensor HE1, HE2, M2 are connected respectively to CH1 I+ end and the CH2 I+ end of Programmable Logic Controller PLC, the direct ground connection of the G of leakage current sensor HE1, HE2.
The RS485+ of Programmable Logic Controller, RS485-are directly connected to A+, the B-end of electrical measurement module QM1, QM2; The COM1 of touch-screen AP is connected by telecommunication cable with Programmable Logic Controller, by the RS485 mouth access comprehensive automation control system of the COM2 communication interface on the touch-screen AP or QM1, QM2.
Automated manner can be divided into dual mode:
Control mode:
One, manual mode: utilize hand control switch control automatic change-over ATS1 or ATS2 to close in its I position or the II position.
Two, automated manner: it is primary power cource that any one tunnel in the two-way power supply of ATS is set, and another road is a stand-by power supply.When the ATS primary power cource just often, no matter normally whether the stand-by power supply of ATS, ATS1 and ATS2 close in the position of its primary power cource correspondence., stand-by power supply unusual when primary power cource just often, ATS automatically switches to the position of stand-by power supply correspondence, when primary power cource recovers just often the position of the automatic switchback primary power cource of ATS correspondence.
Automated manner I: the active and standby supply power mode of using of civil power incoming power.The primary power cource that ATS1 or ATS2 are set is a same road civil power incoming power, then can: 1. civil power incoming power I is set is main usefulness, and civil power incoming power II is standby; 2. civil power incoming power II is set is main usefulness, and civil power incoming power I is standby.
Automated manner II: civil power incoming power difference sectional power supply is standby mode each other.A certain section load bus is set by the civil power incoming power master confession of a certain road, another road is equipped with confession, can realize for the civil power incoming power of not going the same way by the primary power cource that ATS1 and ATS2 are set.Comprise that 1. the ATS1 primary power cource is set is civil power incoming power I, the ATS2 primary power cource is civil power incoming power II, at this moment, I section bus main power supply is civil power incoming power I, II section bus main power supply be civil power incoming power II 2. the ATS2 primary power cource is set is civil power incoming power I, the ATS1 primary power cource is civil power incoming power II this moment, at this moment, I section bus main power supply is civil power incoming power II, and II section bus main power supply is civil power incoming power I.
Also be provided with the emergency lighting loop in the switchboard, provide power supply by the output of inverter AM.
Shield with intelligent AC distribution at station of the present utility model, selects " manually local/local touch-screen/Long-distance Control " by universal seclector 1SA.When selecting " manually local ", manually control ATS1 or ATS2 closes I or closes the II position by universal seclector 2SA, 3SA; When selecting " local touch-screen ", can select " automated manner 1.1 ", " automated manner 1.2 ", " automated manner 2.1 ", " automated manner 2.2 " by touch-screen; When selecting " Long-distance Control ", mode of operation is set by host computer.
Shield with intelligent AC distribution at station of the present utility model, and its advantage is:
The PC level automatic change-over that adopts is a coil excitation type double-throw formula change over switch, have electricly and mechanical interlocked, switch speed is fast and stable, guarantees only to connect the power supply of one road power supply, avoid the double loop power supply short circuit, can be with to carry and switch, be fit to the AC-33A loadtype, tolerance short circuit current ability height, do not need external control power supply, reduce failure rate, improve useful life, have the overlapping translation function of the neutral line.
Automated manner kind and each ATS master show with the position
| Automated manner and explanation | ATS1 master uses the position | ATS2 master uses the position | |||
| Position I | Position II | Position I | Position II | ||
| Automated manner 1: civil power incoming power main-standby mode | Automated manner 1.1: civil power inlet wire I is main usefulness, and civil power inlet wire II is standby | √ | √ | ||
| Automated manner 1.2: civil power inlet wire II is main usefulness, and civil power inlet wire I is standby | √ | √ | |||
| Automated manner 2: the civil power incoming power is sectional power supply, standby mode each other respectively | Automated manner 2.1:I section bus is supplied by civil power incoming power I master; II section bus is supplied by civil power incoming power II master | √ | √ | ||
| Automated manner 2.2:I section bus is supplied by civil power incoming power II master; II section bus is supplied by civil power incoming power I master | √ | √ |
Station of the present utility model has manual control model and four kinds of automatic control modes to select for the user with the intelligent AC distribution screen, not only possesses the perfect automatic control function, possesses leakage current protection, overcurrent protection, overvoltage, under-voltage and open-phase protection function simultaneously.Can carry out electric leakage alarming and set, overcurrent is alarmed setting in advance, overvoltage and under voltage alert settings, and the switching condition setting comprises: overvoltage, under-voltage, time-delay etc.Have abundant alarm and parameter Presentation Function, perfect telecommunication capabilities can conveniently insert the comprehensive automation control system.
" controlled function " and " parameter setting " all has cryptoguard.
Being the utility model preferred embodiment only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should belong to technology category of the present utility model.
Claims (2)
1. shield with intelligent AC distribution at a transformer station station, comprise: rack, it is characterized in that: be provided with importation (1) in the rack, ac electric quantity measuring part (2), leakage current measurement part (3), control section (4), operating part (5), output (6) and power unit (7), importation (1) comprises input terminal row (101), circuit breaker (102) and lightning protection device (103), ac electric quantity measuring part (2) is an intelligent AC electrical measurement module (106), leakage current measurement part (3) is leakage current sensor (107), control section (4) comprises Programmable Logic Controller (108) and touch-screen (109), operating part (5) comprises fuse load-break switch (104) and PC level automatic change-over (105), output (6) is outlet terminal row (110), and power unit (7) comprises sine-wave inverter (111) and power module (112);
The input terminal row (101) of described importation (1) connects electric wire, electric wire links to each other with described lightning protection device (103) through described circuit breaker (102), and the electric wire that connects input terminal row (101) links to each other with PC level automatic change-over (105) order with the fuse load-break switch (104) of described operating part (5) through another group circuit breaker (102) back, the output electric wire of described operating part (5) links to each other with the outlet terminal row (110) of described output (6) through described leakage current measurement part (3), the input of described ac electric quantity measuring part (2) links to each other with electric wire between described importation (1) and the operating part (5) by electric wire, described ac electric quantity measuring part (2) links to each other with the Programmable Logic Controller (108) of described control section (4) with the signal output part of leakage current measurement part (3), described Programmable Logic Controller (108) is connected with described touch-screen (109) by telecommunication cable, the sine-wave inverter (111) of described power unit (7) is given described Programmable Logic Controller (108), described intelligent AC electrical measurement module (106) and described power module (112) provide working power, and described power module (112) provides working power for described touch-screen (109) and described leakage current sensor (107).
2. transformer station according to claim 1 shields with intelligent AC distribution at the station, it is characterized in that: be provided with two identical described operating parts (5), leakage current measurement part (3) and output (6) in the rack, the output electric wire of described importation (1) and two described operating parts (5) are connected in parallel, described two operating parts (5), leakage current measurement part (3) and output (6) are connected in series respectively, and the signal output part of two described leakage current measurement parts (3) is connected with described Programmable Logic Controller (108) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148009 CN200997491Y (en) | 2006-10-20 | 2006-10-20 | Intelligent AC distributing screen for station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620148009 CN200997491Y (en) | 2006-10-20 | 2006-10-20 | Intelligent AC distributing screen for station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200997491Y true CN200997491Y (en) | 2007-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620148009 Expired - Fee Related CN200997491Y (en) | 2006-10-20 | 2006-10-20 | Intelligent AC distributing screen for station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200997491Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995506A (en) * | 2009-08-06 | 2011-03-30 | Abb瑞士有限公司 | Module for measuring the current in aconductor of low voltage distributor |
| CN102882151A (en) * | 2012-07-31 | 2013-01-16 | 辽宁省电力有限公司鞍山供电公司 | Intelligent all-insulated AC screen |
| CN105429009A (en) * | 2015-12-14 | 2016-03-23 | 上海基胜能源科技有限公司 | Precision power distribution cabinet |
-
2006
- 2006-10-20 CN CN 200620148009 patent/CN200997491Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995506A (en) * | 2009-08-06 | 2011-03-30 | Abb瑞士有限公司 | Module for measuring the current in aconductor of low voltage distributor |
| CN102882151A (en) * | 2012-07-31 | 2013-01-16 | 辽宁省电力有限公司鞍山供电公司 | Intelligent all-insulated AC screen |
| CN105429009A (en) * | 2015-12-14 | 2016-03-23 | 上海基胜能源科技有限公司 | Precision power distribution cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071226 Termination date: 20151020 |
|
| EXPY | Termination of patent right or utility model |