CN206340984U - A kind of integrated AC/DC integrated power-supply system of multicompartment - Google Patents

A kind of integrated AC/DC integrated power-supply system of multicompartment Download PDF

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Publication number
CN206340984U
CN206340984U CN201621453015.4U CN201621453015U CN206340984U CN 206340984 U CN206340984 U CN 206340984U CN 201621453015 U CN201621453015 U CN 201621453015U CN 206340984 U CN206340984 U CN 206340984U
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China
Prior art keywords
integrated
power
supply
intelligent
multicompartment
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CN201621453015.4U
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Chinese (zh)
Inventor
王洪
李蒸
张国忠
黄彬
尹中恒
袁永明
冷旭东
周超
赵立成
林雄武
王和
张婧
康占民
杨博
李冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhangjiakou Power Supply Company, State Grid Jibei Electric Power Company Limited
State Grid Corp of China SGCC
Shenzhen Tieon Energy Technology Co Ltd
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Shenzhen Tieon Energy Technology Co Ltd
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Abstract

The utility model belongs to Substation Station power technique fields, more particularly to a kind of integrated AC/DC integrated power-supply system of multicompartment.In the utility model embodiment, the AC/DC integrated power-supply system is constituted using intelligent switch component, intelligent power functional unit, Intelligent parallel battery component, can reach following beneficial effect:(1) shorten delivery cycle, can produce in advance, parallel production, design, assembling, test, haulage time greatly reduce;(2) packing density is increased;(3) maintain easily, dilatation, safeguard and only need to standardize replacings, dilatation component complete packet is containing all key elements, one-shot forming;(4) maintenance workload is at utmost reduced, the external digital interface of component standard standardizes modular design, and safeguarding need to only provide for simple replacement of;(5) at utmost reduction operation complexity, a large amount of secondary connection pcb boards, copper barization design are safe and reliable, and operation only needs the light instrument just can to realize.

Description

A kind of integrated AC/DC integrated power-supply system of multicompartment
Technical field
The utility model belongs to Substation Station power technique fields, more particularly to a kind of integrated alternating current-direct current one of multicompartment Body power-supply system.
Background technology
As country carries forward vigorously the pace of construction of strong intelligent grid, intelligent substation has turned into transformer station of new generation Development trend.It is the key basis of substation safety operation to stand with power supply, and intelligent substation is to station power supply global design, fortune Row, managerial skills propose higher requirement.Thus, intelligent substation station integration power-supply system design meet the tendency of and It is raw.Existing Substation Station with AC/DC integrated power system technologies scheme be conventional independent dispersion is designed AC power, The Substation Stations such as direct current operative power source, ac uninterrupted power supply, inverter, communication power supply carried out with power supply integrated design, Unified collocation, integrated monitoring, the station power source system after integration fundamentally solve traditional Substation Station electricity consumption and are derived from The foundation of dynamicization low degree restriction network management platform, each system decentralized design repeat to configure less economical, installation maintenance association Adjust the problems such as difficult, operation maintenance is inconvenient.
But there is also following problem for existing technology:
1st, each power module in existing AC/DC integrated power-supply system need to add input and output accessory, make modularized design It is not thorough.If device for converting electric energy AC/DC, DC/DC, DC/AC have been modularized design in itself, but its input/output terminal will also match somebody with somebody The accessories such as corresponding turnover wiretap, insurance are put, so make the modularized design of whole system sufficiently complete, it is difficult to meet now The requirement that substation equipment modular development is built.
2nd, switch is the larger component of accounting in integrated power supply, and different substation project is to number of switches, type Difference requirements determine the customization characteristic of integration power-supply system.The excessive customization of integration power-supply system adds delivery cycle Greatly, quality is uneven, operation maintenance efficiency is low.
3rd, the switch acquisition of switch, electrical quantity collection and control, DC feeder insulating monitoring leakage current, battery electrode column electricity Pressure sampling line, temperature detection produce wide variety of conventional secondary line.So many conventional secondary line, both with the overall skill of intelligent substation Art is uncoordinated, also hampers the lifting of operation and management level.
Utility model content
The purpose of the utility model embodiment is to provide a kind of multicompartment integrated AC/DC integrated power-supply system, purport It is secondary that the difference that there is number of switches type in the present power-supply system of solution causes Project design to customize serious, wide variety of conventional Thorough and tandem type battery open circuit influence whole group is not electric for modularized design caused by line design, power module input and output accessory Pressure output, it is new and old can not use with, can not be the problem of autonomous full electricity core holds online.
The utility model embodiment is achieved in that a kind of integrated AC/DC integrated power-supply system of multicompartment, point Ac bus and dc bus are not connect, and the integrated AC/DC integrated power-supply system of the multicompartment includes:
Integrated total monitoring unit;
With the intelligent AC service entrance switch component of integrated total monitoring unit connection;
Handed over respectively with integrated total monitoring unit, intelligent AC service entrance switch component and the intelligence of ac bus connection Flow power supply changeover module;
It is connected in parallel on the total multiple intelligent AC feeder assemblies between monitoring unit and ac bus of integration;And
It is connected in parallel on the total multiple intelligent DC feeder assemblies between monitoring unit and dc bus of integration.
In said structure, the integrated AC/DC integrated power-supply system of the multicompartment also includes:
Respectively with the ac bus and the AC power changeover module of integrated total monitoring unit connection.
In said structure, the integrated AC/DC integrated power-supply system of the multicompartment also includes:
It is connected in parallel between the AC power changeover module and dc bus, and is connected with integrated total monitoring unit Multiple indirect batteries in parallel connection components.
In said structure, each indirect batteries in parallel connection component includes:
CPU, AC/DC rectification circuit, DC/DC change-over circuits, filter circuit, charging DC/DC circuits, electric discharge DC/DC circuits, Fuse and battery;
The AC/DC rectification circuits, DC/DC change-over circuits and filter circuit are sequentially connected in series in the AC power switch groups Between part and dc bus, the charging DC/DC circuits and fuse be connected on the AC/DC rectification circuits and battery it Between, the electric discharge DC/DC is electrically connected between the fuse and the input of filter circuit, the CPU respectively with it is described AC/DC rectification circuits, DC/DC change-over circuits, charging DC/DC circuits, electric discharge DC/DC circuit connections, the CPU pass through RS485 Line is connected with integrated total monitoring unit.
In the utility model embodiment, the AC/DC integrated power-supply system uses intelligent switch component, intelligent power Functional unit, Intelligent parallel battery component are constituted, and can reach following beneficial effect:
(1) delivery cycle is shortened
Can produce in advance, parallel production, design, assembling, test, haulage time greatly reduces;
(2) packing density is increased
(3) maintain easily, dilatation
Replacing need to only be standardized by safeguarding, dilatation component complete packet contains all key elements, one-shot forming;
(4) maintenance workload is at utmost reduced
The external digital interface of component standard, standardizes modular design, and safeguarding need to only provide for simple replacement of;
(5) at utmost reduction operation complexity
A large amount of secondary connection pcb boards, copper barization design, safe and reliable, operation only needs the light instrument just can to realize.
Brief description of the drawings
Fig. 1 is the modular structure for the integrated AC/DC integrated power-supply system of multicompartment that the utility model embodiment is provided Figure;
Fig. 2 is the structure chart for the indirect batteries in parallel connection component that the utility model embodiment is provided.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain The utility model, is not used to limit the utility model.
Fig. 1 shows the module of the integrated AC/DC integrated power-supply system of the multicompartment that the utility model embodiment is provided Structure, for convenience of description, illustrate only the part related to the utility model embodiment.
A kind of integrated AC/DC integrated power-supply system of multicompartment, connects ac bus and dc bus respectively, described many The integrated AC/DC integrated power-supply system of component includes:
Integrated total monitoring unit 1;
The intelligent AC service entrance switch component 2 connected with integrated total monitoring unit 1;
Respectively with integrated total monitoring unit 1, intelligent AC service entrance switch component 2 and the intelligence of ac bus connection AC power changeover module 3;
It is connected in parallel on the total multiple intelligent AC feeder assemblies 4 between monitoring unit 1 and ac bus of integration;And
It is connected in parallel on the total multiple intelligent DC feeder assemblies 6 between monitoring unit 1 and dc bus of integration.
As the embodiment of the utility model one, the integrated AC/DC integrated power-supply system of the multicompartment also includes:
The AC power changeover module 5 connected respectively with the ac bus and integrated total monitoring unit 1.
As the embodiment of the utility model one, the integrated AC/DC integrated power-supply system of the multicompartment also includes:
It is connected in parallel between the AC power changeover module 5 and dc bus, and connects with integrated total monitoring unit 1 The multiple indirect batteries in parallel connection components 7 connect.
And connect to possess with the batteries in parallel connection component of dc bus and autonomous hold in line core, it is possible to achieve arbitrarily quick dilatation.
Fig. 2 shows the module of the integrated AC/DC integrated power-supply system of the multicompartment that the utility model embodiment is provided Structure, for convenience of description, illustrate only the part related to the utility model embodiment.
Each indirect batteries in parallel connection component 7 includes:
CPU71, AC/DC rectification circuit 72, DC/DC change-over circuits 73, filter circuit 74, charging DC/DC circuits 75, electric discharge DC/DC circuits 76, fuse 77 and battery 78;
The AC/DC rectification circuits 72, DC/DC change-over circuits 73 and filter circuit 74 are sequentially connected in series in the AC power Between changeover module 5 and dc bus, the charging DC/DC circuits 75 and fuse 77 are connected on the AC/DC rectification circuits Between 72 and battery 78, the electric discharge DC/DC circuits 76 be connected to the fuse 77 and filter circuit 74 input it Between, the CPU71 respectively with the AC/DC rectification circuits 72, DC/DC change-over circuits 73, charging DC/DC circuits 75, electric discharge DC/ DC circuits 76 are connected, and the CPU71 is connected by RS485 lines with integrated total monitoring unit 1.
When AC power disappears, battery 77 uninterruptedly passes through the powering load of DC/DC circuits 76 that discharges.Etc. AC power After recovery, then by the DC/DC circuits 75 that charge battery 78 is charged by charging curve.All processes, component is logical Cpu circuit is crossed to be managed.
Indirect batteries in parallel connection component 7 should possess following functions:
(1) defencive function
Input overvoltage, under-voltage protection;Output overvoltage, under-voltage protection;Current-limiting protection;Short-circuit protection.
(2) battery management function
Component is automatic to be managed the battery charging and discharging that battery improve intelligence, including Charge Management, electric discharge management, temperature Management, electricity are calculated, management etc. is held in voltage x current protection and 0.1C cores.It is automatic by acquiescence management under component normal operating conditions Parameter carries out intelligent management, each parameter of battery management can be configured by daemon software or monitoring.
Indirect batteries in parallel connection component 7 sets core to hold the electric power storage of time interval one by one to each component matching according to system monitoring Pond hold from kinetonucleus and managed.The condition that core holds is to be in the floating charge stage to battery in component, exchanges normal power supply.When component connects Receive after the core appearance instruction that host computer is assigned, component internal logic is to judge whether, in the floating charge stage, to meet floating charge condition first Afterwards, component internal logic turns off AC/DC rectification circuits 72 and charging DC/DC circuits 75 first, makes the output of component by battery 78 provide energy, and the output voltage of component internal fine setting output electric discharge DC/DC circuits 76 realizes that the discharge current of battery 78 is big Small about 0.1C.Component internal CPU7 calculating accumulators discharge capacity is until core appearance is finished simultaneously.When CPU7 detects cell voltage Final voltage point is reached, CPU7 opens AC/DC rectification circuits 72, and component switchs to exchange and provides energy, terminates the verification to battery Property electric discharge, while start to battery charging management.Component reports accumulative capacity, and as core holds result.
It is several that intelligent AC power supply changeover module 3, AC power changeover module 5 belong to failure with indirect batteries in parallel connection component 7 It is the less device of rate, non-maintaining, it is placed in actual use in wall, the rearmounted incoming-line busbar of wall, outlet terminal, The preposition interface with switch of wall.
The integrated AC/DC integrated power-supply system of the multicompartment include intelligent switch component, intelligent power functional unit, Intelligent parallel battery component.Functional unit is maximized by function body module and input and output accessory Integrated design and is eliminated secondary Line and bridging are disposable.The system operates insulating, secondary line circuit board by using sensor miniaturization, metallic screw Intelligent switch component is completed etc. Technology design, the Technology design such as integrated completes various electric energy turn again using nuclear interface standardizing, loose mail Change and monitor component.
1) all switch, D.C. isolation monitoring, electric energy conversion module, battery management in AC/DC integrated power-supply system By being designed as various functions component, full modularized design is realized.Can be by the combination of component, standardization meets various customization Demand.
2) various functions component has standard communication interface, up to assign information digitalization transmission.
3) whole integration power-supply system is made up of the component of each full modularized design, it is possible to achieve factory's inner module life Production, integrated debugging, modularization dispatching, effectively reduce in-site installation, wiring, debugging efforts, improve construction quality and efficiency.
In the utility model embodiment, the AC/DC integrated power-supply system uses intelligent switch component, intelligent power Functional unit, Intelligent parallel battery component are constituted, and can reach following beneficial effect:
(1) delivery cycle is shortened
Can produce in advance, parallel production, design, assembling, test, haulage time greatly reduces;
(2) packing density is increased
(3) maintain easily, dilatation
Replacing need to only be standardized by safeguarding, dilatation component complete packet contains all key elements, one-shot forming;
(4) maintenance workload is at utmost reduced
The external digital interface of component standard, standardizes modular design, and safeguarding need to only provide for simple replacement of;
(5) at utmost reduction operation complexity
A large amount of secondary connection pcb boards, copper barization design, safe and reliable, operation only needs the light instrument just can to realize.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (4)

1. a kind of integrated AC/DC integrated power-supply system of multicompartment, connects ac bus and dc bus, its feature exists respectively In the integrated AC/DC integrated power-supply system of the multicompartment includes:
Integrated total monitoring unit;
With the intelligent AC service entrance switch component of integrated total monitoring unit connection;
Respectively with integrated total monitoring unit, intelligent AC service entrance switch component and the intelligent AC electricity of ac bus connection Source changeover module;
It is connected in parallel on the total multiple intelligent AC feeder assemblies between monitoring unit and ac bus of integration;And
It is connected in parallel on the total multiple intelligent DC feeder assemblies between monitoring unit and dc bus of integration.
2. the integrated AC/DC integrated power-supply system of multicompartment as claimed in claim 1, it is characterised in that the multicompartment Integrated AC/DC integrated power-supply system also includes:
Respectively with the ac bus and the AC power changeover module of integrated total monitoring unit connection.
3. the integrated AC/DC integrated power-supply system of multicompartment as claimed in claim 2, it is characterised in that the multicompartment Integrated AC/DC integrated power-supply system also includes:
It is connected in parallel between the AC power changeover module and dc bus, and it is many with integrated total monitoring unit connection Individual indirect batteries in parallel connection component.
4. the integrated AC/DC integrated power-supply system of multicompartment as claimed in claim 3, it is characterised in that between described in each Connecing batteries in parallel connection component includes:
CPU, AC/DC rectification circuit, DC/DC change-over circuits, filter circuit, charging DC/DC circuits, electric discharge DC/DC circuits, insurance Silk and battery;
The AC/DC rectification circuits, DC/DC change-over circuits and filter circuit be sequentially connected in series the AC power changeover module with Between dc bus, the charging DC/DC circuits and fuse are connected between the AC/DC rectification circuits and battery, institute State electric discharge DC/DC be electrically connected between the fuse and the input of filter circuit, the CPU respectively with the AC/DC Rectification circuit, DC/DC change-over circuits, charging DC/DC circuits, electric discharge DC/DC circuit connections, the CPU pass through RS485 lines and institute State integrated total monitoring unit connection.
CN201621453015.4U 2016-12-27 2016-12-27 A kind of integrated AC/DC integrated power-supply system of multicompartment Active CN206340984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621453015.4U CN206340984U (en) 2016-12-27 2016-12-27 A kind of integrated AC/DC integrated power-supply system of multicompartment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621453015.4U CN206340984U (en) 2016-12-27 2016-12-27 A kind of integrated AC/DC integrated power-supply system of multicompartment

Publications (1)

Publication Number Publication Date
CN206340984U true CN206340984U (en) 2017-07-18

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN206340984U (en)

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20171127

Address after: 100032 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee after: Zhangjiakou Power Supply Company, State Grid Jibei Electric Power Company Limited

Patentee after: State Grid Corporation of China

Co-patentee after: Shenzhen Tieon Energy Technology Co., Ltd.

Address before: Baoan District Xin'an street Shenzhen city Guangdong province 518000 Liuxian road two Honghui Industrial Park 1 building 4, 6 floor

Patentee before: Shenzhen Tieon Energy Technology Co., Ltd.

TR01 Transfer of patent right