CN202840266U - Intelligent power distribution system - Google Patents
Intelligent power distribution system Download PDFInfo
- Publication number
- CN202840266U CN202840266U CN 201220347455 CN201220347455U CN202840266U CN 202840266 U CN202840266 U CN 202840266U CN 201220347455 CN201220347455 CN 201220347455 CN 201220347455 U CN201220347455 U CN 201220347455U CN 202840266 U CN202840266 U CN 202840266U
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- bus
- distribution system
- switch
- intelligent distribution
- capacitor
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Abstract
The utility model discloses an intelligent distribution system which comprises a bus, a measurement unit, a wire incoming unit, a wire outgoing unit and a capacitor unit, wherein the measurement unit, the wire incoming unit, the wire outgoing unit and the capacitor unit are installed in a power distribution cabinet in a centralized way and are connected together through the bus. The intelligent power distribution system integrates all functions of an ordinary power wire incoming cabinet, a wire outgoing cabinet and a capacitance compensation cabinet and has the advantages that the installation space is effectively saved, the volume is small, the integration performance is strong, the system is convenient to move, the construction period is shorter, the cost is lower and the like.
Description
Technical field
The utility model relates to a kind of distribution system, relates in particular to a kind of intelligent distribution system.
Background technology
At present, in low-voltage integrated power distribution equipment, the functions such as inlet wire, outlet, compensation all realize by power distribution cabinet independently, have taken very large installation control, and inconvenient maintenance, and cost is very high.
The utility model content
The purpose of this utility model is exactly in order to address the above problem, and a kind of intelligent distribution system is provided, and it has advantages of the function that collects metering, inlet wire, outlet, capacitor box in a power distribution cabinet.
To achieve these goals, the utility model adopts following technical scheme:
A kind of intelligent distribution system, it comprises bus, metering units, wire inlet unit, outgoing line unit and capacitor cell, described metering units, wire inlet unit, outgoing line unit and capacitor cell are installed concentratedly in a power distribution cabinet, link together by bus.
Described metering units comprises current transformer, kilowatt-hour meter load quantitative device and kilowatt-hour meter; Described current transformer is installed on the bus, and bus is connected with kilowatt-hour meter through the terminal box of kilowatt-hour meter load quantitative device.
Described wire inlet unit comprises isolating switch, bus is through isolating switch, passing current transformer is connected with main breaker is suitable for reading, in the middle of the main breaker summation current transformer, connect fuse FU1-FU3 through cable, fuse FU1-FU3 is connected with change over switch, change over switch is connected with the 450V voltmeter, is used for showing AB, BC, AC three-phase voltage; It is suitable for reading that main breaker end opening place is connected to Surge Protector by cable, with double-colored earth connection the Surge Protector earth terminal connected, and causes earthing bar.
Described voltmeter is the 450V voltmeter.
Described outgoing line unit comprises many group branch bus, organizes branch bus more and is installed in side by side on the main breaker end opening branch horizontal bus out, and every group of branch bus is provided with circuit breaker, the breaker control on/off.
Described capacitor cell comprises current sampling mutual inductor, idle compensating control, at least one protection switch, at least one fling-cut switch, at least one capacitor group; Wherein, the capacitor group is connected to bus by corresponding fling-cut switch and corresponding protection switch;
Current transformer is connected in series to current sampling mutual inductor by cable, and current sampling mutual inductor is connected with corresponding contact above the idle compensating control, for idle compensating control provides current sampling signal; A, B, C three-phase bus draw by cable and are connected to fuse FU4-FU6, and FU4-FU6 is connected to idle compensating control by fuse, for idle compensating control provides voltage sampling signal.
Described capacitor group comprises that six capacitor groups are capacitor group C1-C6, and wherein, capacitor group C1 is Y-connection, Y-connection is fit to the place of three-phase imbalance, can phase splitting compensation, even and produce fault, the fault current liquid of generation can be less, safer, but harmonic wave easily enters electrical energy system, and capacitor group C2-C6 is that triangle connects, and triangle connects can only be used for the common phase compensation, but the time harmonic wave intelligence that produces enter three capacitor internal memories, and can't enter electrical energy system; So connecting to mix, Y-connection, triangle use the effect that can better reach compensation.
Described fling-cut switch is reverse-blocking tetrode thyristor.
Described idle compensating control is controlled the break-make of fling-cut switch by the coil break-make of control fling-cut switch, determines whether to allow electric capacity performance function.
The beneficial effects of the utility model:
1. consider from technical standpoint, the utility model collects the function of metering, inlet wire, outlet, capacitor box in a power distribution cabinet, effectively dwindle the installing space of power distribution equipment, had the advantages such as complete property is strong, compact conformation, volume is little, handsome in appearance, safe and reliable to operation, easy to maintenance, alternative is large;
2. consider from economic angle, it is lower that the utility model is compared cost than like product, has advantages of that volume is little, conveniently moving, assembling cycle are short, save cost.
Description of drawings
Fig. 1 is for being connection principle block diagram of the present utility model;
Fig. 2 is the positive schematic diagram of separating of the present utility model;
Fig. 3 is scheme of installation in the utility model cabinet;
Fig. 4 is that schematic diagram is cut apart at the back side of the present utility model;
Fig. 5 is scheme of installation in the utility model dorsal part cabinet.
Wherein, 1. metering units, 2. wire inlet unit, 3. outgoing line unit; 4. kilowatt-hour meter load quantitative device, 5. kilowatt-hour meter, 6. capacitor cell, 7. current transformer; 8. isolating switch, 9. fuse, 10. change over switch, 11. voltmeters; 12. main breaker, 13. Surge Protectors, 14. earthing bars, 15. buses; 16. horizontal bus, 17. circuit breakers, 18. idle compensating controls, 19. current sampling mutual inductors; 20. fling-cut switch, 21. protection switches, 22. branch bus, 23. capacitor groups.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, a kind of intelligent distribution system, it comprises bus 15, metering units 1, wire inlet unit 2, outgoing line unit 3 and capacitor cell 6, and described metering units 1, wire inlet unit 2, outgoing line unit 3 and capacitor cell 6 are installed concentratedly in a power distribution cabinet, link together by bus 15.
Described metering units 1 comprises current transformer 7, kilowatt-hour meter load quantitative device 4 and kilowatt-hour meter 5; Described current transformer 7 is installed on the bus 15, and bus 15 is connected with kilowatt-hour meter 5 through the terminal box of kilowatt-hour meter load quantitative device 4.
Described wire inlet unit 2 comprises isolating switch 8, bus 15 is through isolating switch 8, pass current transformer 7 and 12 suitable for reading connections of main breaker, in the middle of main breaker 12 summation current transformers 7, connect fuse 9FU1-FU3 through cable, fuse 9FU1-FU2 is connected with change over switch 10, change over switch 10 is connected with 450V voltmeter 11, is used for showing AB, BC, AC three-phase voltage; It is suitable for reading that main breaker 12 end opening places are connected to Surge Protector 13 by cable, with double-colored earth connection Surge Protector 13 earth terminals connected, and causes earthing bar 14.
Described outgoing line unit 3 comprises many group branch bus 22, organizes branch bus 22 more and is installed in side by side on the main breaker 12 end opening branches horizontal bus 16 out, and every group of branch bus 22 is provided with circuit breaker 17, circuit breaker 17 control on/offs.
Described capacitor cell 6 comprises current sampling mutual inductor 19, idle compensating control 18, at least one protection switch 21, at least one fling-cut switch 20, at least one capacitor group 23; Wherein, capacitor group 23 is connected to bus 15 by corresponding fling-cut switch 20 and corresponding protection switch 21;
Described capacitor group 23 has six to be capacitor group 23C1-C6, and wherein, capacitor group 23C1 is Y-connection, Y-connection is fit to the place of three-phase imbalance, can phase splitting compensation, even and produce fault, the fault current liquid of generation can be less, safer, but harmonic wave easily enters electrical energy system, and capacitor group 23C2-C6 is that triangle connects, and triangle connects can only be used for the common phase compensation, but the time harmonic wave intelligence that produces enter three capacitor internal memories, and can't enter electrical energy system; So connecting to mix, Y-connection, triangle use the effect that can better reach compensation.
Described fling-cut switch 20 is reverse-blocking tetrode thyristor.
Described idle compensating control 18 is controlled the break-make of fling-cut switch 20 by the coil break-make of control fling-cut switch 20, determines whether to allow capacitor group 23 performance functions,
The utility model forms single-phase altogether complement system by Y-connection capacitor group 23C1, fling-cut switch 20K1, protection switch 21Q1-Q3, and triangle connects capacitor group 23C2-C6, fling-cut switch 20K2-K6, protection switch 21Q4-Q6 form the three-phase total compensation system; Complement system adopts and does not wait the capacitor that holds to blur switching altogether, can effectively reduce the switching concussion.
The three-phase voltage that passes through to gather and current signal, idle compensating control 18 is by computing, contrast with target component, after calculating reactive requirement, use the control modes such as fuzzy switching, switching cycle, by the break-make of output relay of control idle compensating control 18, the break-make of control corresponding circuit capacitor fling-cut switch 20 is come input and the excision of control capacitor group 23, realizes the fine compensation of reactive compensation capacity.
Be illustrated in figure 2 as the positive schematic diagram of separating of the present utility model; Be illustrated in figure 3 as scheme of installation in the utility model cabinet; Be illustrated in figure 4 as the back side of the present utility model and cut apart schematic diagram; Be illustrated in figure 5 as scheme of installation in the utility model dorsal part cabinet.
Although above-mentionedly by reference to the accompanying drawings embodiment of the present utility model is described; but be not the restriction to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection range of the present utility model.
Claims (8)
1. intelligent distribution system, it comprises bus, metering units, wire inlet unit, outgoing line unit and capacitor cell, it is characterized in that, described metering units, wire inlet unit, outgoing line unit and capacitor cell are installed concentratedly in a power distribution cabinet, link together by bus.
2. a kind of intelligent distribution system as claimed in claim 1 is characterized in that, described metering units comprises current transformer, kilowatt-hour meter load quantitative device and kilowatt-hour meter; Described current transformer is installed on the bus, and bus is connected with kilowatt-hour meter through kilowatt-hour meter load quantitative device.
3. a kind of intelligent distribution system as claimed in claim 1, it is characterized in that, described wire inlet unit comprises isolating switch, bus is through isolating switch, passing current transformer is connected with main breaker is suitable for reading, connect fuse FU1-FU3 through cable in the middle of the main breaker summation current transformer, fuse FU1-FU3 is connected with change over switch, and change over switch is connected with voltmeter; It is suitable for reading that main breaker end opening place is connected to Surge Protector by cable, with double-colored earth connection the Surge Protector earth terminal connected, and causes earthing bar.
4. a kind of intelligent distribution system as claimed in claim 1, it is characterized in that, described outgoing line unit comprises many group branch bus, organizes branch bus more and is installed in side by side on the main breaker end opening branch horizontal bus out, every group of branch bus is provided with circuit breaker, the breaker control on/off.
5. a kind of intelligent distribution system as claimed in claim 1 is characterized in that, described capacitor cell comprises current sampling mutual inductor, idle compensating control, at least one protection switch, at least one fling-cut switch, at least one capacitor group; Wherein, the capacitor group is connected to bus by corresponding fling-cut switch and corresponding protection switch; Current transformer is connected in series to current sampling mutual inductor by cable, and current sampling mutual inductor is connected with corresponding contact above the idle compensating control, for controller provides current sampling signal; A, B, C three-phase bus draw by cable and are connected to fuse FU4-FU6, and FU4-FU6 is connected to idle compensating control by fuse, for idle compensating control provides voltage sampling signal.
6. a kind of intelligent distribution system as claimed in claim 5 is characterized in that, described capacitor group has six to be capacitor group C1-C6, and wherein capacitor group C1 is Y-connection, and capacitor group C2-C6 is that triangle connects.
7. a kind of intelligent distribution system as claimed in claim 5 is characterized in that, described fling-cut switch is reverse-blocking tetrode thyristor.
8. a kind of intelligent distribution system as claimed in claim 3 is characterized in that, described voltmeter is the 450V voltmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220347455 CN202840266U (en) | 2012-07-17 | 2012-07-17 | Intelligent power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220347455 CN202840266U (en) | 2012-07-17 | 2012-07-17 | Intelligent power distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202840266U true CN202840266U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220347455 Expired - Fee Related CN202840266U (en) | 2012-07-17 | 2012-07-17 | Intelligent power distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202840266U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687478A (en) * | 2019-03-12 | 2019-04-26 | 安徽南瑞继远电网技术有限公司 | A kind of complete point of benefit compensation device based on 124888 codings |
| CN109713684A (en) * | 2019-03-12 | 2019-05-03 | 安徽南瑞继远电网技术有限公司 | It is a kind of based on 124888 coding full split-phase compensate low-voltage integrated power distribution equipment automatically |
| CN109728589A (en) * | 2019-03-12 | 2019-05-07 | 安徽南瑞继远电网技术有限公司 | It is a kind of to be total to compensation device entirely based on 124888 codings |
-
2012
- 2012-07-17 CN CN 201220347455 patent/CN202840266U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687478A (en) * | 2019-03-12 | 2019-04-26 | 安徽南瑞继远电网技术有限公司 | A kind of complete point of benefit compensation device based on 124888 codings |
| CN109713684A (en) * | 2019-03-12 | 2019-05-03 | 安徽南瑞继远电网技术有限公司 | It is a kind of based on 124888 coding full split-phase compensate low-voltage integrated power distribution equipment automatically |
| CN109728589A (en) * | 2019-03-12 | 2019-05-07 | 安徽南瑞继远电网技术有限公司 | It is a kind of to be total to compensation device entirely based on 124888 codings |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20170717 |