CN206524630U - A kind of Distributed power net multipole coordinates energy saver - Google Patents

A kind of Distributed power net multipole coordinates energy saver Download PDF

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Publication number
CN206524630U
CN206524630U CN201720217413.4U CN201720217413U CN206524630U CN 206524630 U CN206524630 U CN 206524630U CN 201720217413 U CN201720217413 U CN 201720217413U CN 206524630 U CN206524630 U CN 206524630U
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China
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electric capacity
triode
resistance
power
module
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CN201720217413.4U
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Inventor
盛东
张波
卢德银
陈崇敬
陈震
李立波
楼鑫
方玉群
徐志军
王威
张进
何陶钧
丁珊珊
卢晓峰
叶庆和
方平
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State Grid Corp of China SGCC
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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State Grid Corp of China SGCC
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics

Abstract

A kind of Distributed power net multipole that the utility model is provided coordinates energy saver, coordinate data acquisition device, data integration device and data supervising device that energy saver includes being sequentially connected, effectively solve the problems, such as the reactive loss that power distribution network is caused because reactive-load compensation is not enough, using flexible dynamic reactive power adjustment equipment, smooth compensating can be realized, compensation efficiency is high, and compensativity is accurate, and grid loss is reduced to the full extent;Reactive power compensator is more stablized in reactive-load compensation, extends the service life of reactive power compensator;The program can efficiently solve the harmonic pollution in power distribution network, it is ensured that power network is normal, reliable operation;Improve the automatization level of power distribution network, various devices work automatically, artificial intervention can be reduced in power distribution network running, reduce the labor intensity of technical staff, in addition, the various parameters during operation of power networks can also be gathered by coordinating energy saver, be conducive to the upkeep operation of technical staff.

Description

A kind of Distributed power net multipole coordinates energy saver
Technical field
The utility model is related to field of distribution network, more particularly to a kind of Distributed power net multipole coordinates energy saver.
Background technology
Power network is the significant transportation passage of electric energy, and power network itself saving energy and decreasing loss is the important composition portion of China's energy conservation Point.Current power distribution network weakness is one of the problem of needing urgent solve in China's electric network composition.Because distribution site many areas is wide, Line construction is complicated, and loss ratio is larger, accounts for more than the 50% of grid loss, its energy saving space is obvious.
Power distribution network energy consumption is concentrated mainly on transmission line of electricity and user's request side, in below 10KV distribution networks, especially exists In the distribution network of 400V grades, because substantial amounts of industrial or agricultural equipment is accessed extensively, various electric energy contaminated equipments are widely used, Substantial amounts of energy loss all is brought to power network, town and country power distribution network is the main part of power system energy loss.On the other hand, With the development and the change of load structure of modernization power network, power quality problem has caused the height weight for electricity consumption both sides Depending on.Requirement more and more higher to the sensitive user of the quality of power supply to power supply reliability, it is numerous to be based on computer, microprocessor control Precise electronic and power electronic equipment largely used in power system, to the sensitivity more and more higher of the quality of power supply, especially Higher requirement is proposed to the transient power quality of electric power system.
The effect that reactive power compensation device is undertaken in electric power system is the power factor for improving power network, reduction power supply The loss of transformer and conveying circuit, improves power supplying efficiency, improves power supply environment.So reactive power compensation device is supplied in electric power An indispensable position is in electric system.Rational selection compensation device, can accomplish to reduce power network to greatest extent Loss, effectively improves the power network quality of power supply.
At present, the existing equipment of power network such as Reactive Compensation Mode is generally capacitor compensation, because the features such as its is simple in construction and It is widely used.But general shunt capacitor group is applied in the more stable occasion of load, its daily switching Number of times is limited, and discharge time is longer, and frequent switching has a direct impact to the service life and stability of fixed capacity device.In electricity When netting idle change greatly, fixed capacity device can not adjust idle output, be more unsatisfactory for the idle real-time regulation of intelligent grid and set Standby intelligentized basic demand.On the control measures of power network three-phase imbalance, existing equipment is using simple each phase point benefit side Formula, effect is undesirable, and does not possess the function of administering harmonic pollution;Other kinds of energy-saving equipment such as SVC etc., volume is huge Greatly, it is still that, using devices such as electric capacity, reactors, equipment is lost very greatly in itself, and effect is not good.In summary, it is existing Energy-saving equipment be still compensation energy-saving less effective based on capacitor compensation, on the one hand, on the other hand, in face of electric energy matter During amount problem (e.g., harmonic pollution, three-phase imbalance is serious), the regulation effect of existing equipment is also poor.
Utility model content
A kind of Distributed power net multipole that the utility model is provided coordinates energy saver, it is intended to overcomes and matches somebody with somebody in the prior art The deficiency of power network energy-saving effect difference.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that:A kind of Distributed power net multipole Coordinate energy saver, including data acquisition device, data integration device and the data supervising device being sequentially connected, the data are adopted Acquisition means include power detector, analog-digital converter, amplifying circuit, control module, current transformer, inverter, reactive compensation module, Data transmission module, power supervisor and power supply module, the power detector sequentially pass through analog-digital converter, amplifying circuit with Control module is communicated, and the current transformer, inverter, reactive compensation module, data transmission module are communicated with control module respectively, institute Power supply module is stated to power to control module by power supervisor;
The amplifying circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th electricity Resistance, the 7th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, One diode, the first triode, the second triode, the 3rd triode;The first resistor is rheostat, the first resistor Sliding end connects one end of the first electric capacity, and the other end of the first resistor is picked out, and the other end of first electric capacity connects respectively Connect one end of second resistance, one end of the 3rd electric capacity, one end of 3rd resistor, the base stage of the first triode, the 3rd resistor Other end ground connection, the colelctor electrode of second triode connects the other end of second resistance, one end of the second electric capacity, the respectively One end of six electric capacity, the emitter stage of the 3rd triode, the colelctor electrode of second triode connect one end of the 5th electric capacity, described The base stage of second triode connects one end of emitter stage, one end of the 3rd electric capacity and the 4th resistance of the first triode, and described the The other end of six electric capacity is picked out;The emitter stage of first triode connects one end of the 5th resistance, the one of the 4th electric capacity respectively End, the other end, the other end of the 4th electric capacity of the 5th resistance are grounded;The colelctor electrode of first triode is connected respectively The other end of 3rd electric capacity, one end of the 4th resistance, the base stage of the second triode;The emitter stage connection the of second triode One end of five electric capacity, the other end ground connection of the 5th electric capacity;The other end of second electric capacity connects the 6th resistance respectively One end, one end of the 7th resistance, the other end of the 7th resistance connect the colelctor electrode of the 3rd triode, the 7th electric capacity respectively One end, the other end ground connection of the 7th electric capacity;The other end of 6th resistance connects the anode of the first diode, respectively The base stage of three triodes;The negative electrode of first diode connects the other end of the 4th resistance.
A kind of optional scheme, the data monitoring device includes main control module and the data communicated respectively with main control module Transceiver module, low and medium voltage distribution network AVC, harmonic wave positioning analysis device, distribution energy-saving index evaluation module, the quality of power supply coordinate control Device and temporarily drop perturbation analysis module.Data monitoring device has good monitoring effect, and items that can be easily to power network are joined Number is monitored, and optimizes the runnability of power distribution network, also, be conducive to the maintenance of power distribution network.
A kind of optional scheme, the current transformer is the electric semiconductor bridge-type current transformer from commutation.Optimize power distribution network Energy conservation and consumption reduction effects.The performance for coordinating energy saver is optimized, the loss of power distribution network is reduced.
A kind of optional scheme, the inverter is voltage source inverter.Optimize the usability for coordinating energy saver Energy.
A kind of optional scheme, the reactive compensation module is static passive compensation device.Optimize reactive compensation module Performance, reduce the loss of power distribution network.
Compared with prior art, a kind of Distributed power net multipole that the utility model is provided coordinates energy saver, has Following advantage:Coordinate data acquisition device, data integration device and data supervising device that energy saver includes being sequentially connected, have Effect solves the problems, such as the reactive loss that power distribution network is caused because reactive-load compensation is not enough, is set using the regulation of flexible dynamic reactive power It is standby, smooth compensating can be realized, compensation efficiency is high, and compensativity is accurate, and grid loss is reduced to the full extent;Reactive-load compensation is filled Put and more stablize in reactive-load compensation, extend the service life of reactive power compensator;The program can efficiently solve distribution Harmonic pollution in net, it is ensured that power network is normal, reliable operation;The automatization level of power distribution network is improved, various devices are automatic Work, artificial intervention can be reduced in power distribution network running, the labor intensity of technical staff is reduced, in addition, coordinating Energy saver can also gather the various parameters during operation of power networks, when power distribution network breaks down, be conducive to technical staff Upkeep operation.
Brief description of the drawings
Accompanying drawing 1 is the structured flowchart that a kind of Distributed power net multipole of the utility model coordinates energy saver;
Accompanying drawing 2 is the structure that a kind of Distributed power net multipole of the utility model coordinates data acquisition device in energy saver Block diagram;
Accompanying drawing 3 is the circuit diagram that a kind of Distributed power net multipole of the utility model coordinates amplifying circuit in energy saver;
Accompanying drawing 4 is the structure that a kind of Distributed power net multipole of the utility model coordinates data monitoring device in energy saver Block diagram.
Embodiment
Below in conjunction with the accompanying drawings, coordinate energy saver to a kind of Distributed power net multipole of the present utility model to make furtherly It is bright.Following examples are only used for helping skilled in the art to understand the utility model, are not to limitation of the present utility model.
As shown in figure 1, a kind of Distributed power net multipole coordinates energy saver, including the data acquisition device being sequentially connected 1st, data integration device 2 and data supervising device 3;
As shown in Fig. 2 the data acquisition device 1 includes power detector 4, analog-digital converter 5, amplifying circuit 6, control Module 7, current transformer 8, inverter 9, reactive compensation module 10, data transmission module 11, power supervisor 12 and power supply module 13, The power detector 4 sequentially passes through analog-digital converter 5, amplifying circuit 6 and communicated with control module 7, the current transformer 8, inversion Device 9, reactive compensation module 10, data transmission module 11 are communicated with control module 7 respectively, and the power supply module 13 passes through power supply pipe Reason device 12 is powered to control module 7;The current transformer 8 is the electric semiconductor bridge-type current transformer from commutation;The inverter 9 is Voltage source inverter;The reactive compensation module 10 is static passive compensation device;Reduce the operating cost of power distribution network;
The data integration device 2 is mainly used in handling data or being integrated, and is conducive to technical staff subsequently to consult Or be conducive to maintenance of the technical staff to power distribution network;
As shown in figure 4, the data monitoring device 3 includes main control module 32 and the data communicated respectively with main control module 32 Transceiver module 33, low and medium voltage distribution network AVC34, harmonic wave positioning analysis device 35, distribution energy-saving index evaluation module 36, the quality of power supply Tuning controller 37 and temporarily drop perturbation analysis module 38;
As shown in figure 3, the amplifying circuit 6 includes first resistor 14, second resistance 15,3rd resistor 16, the 4th resistance 17th, the 5th resistance 18, the 6th resistance 19, the 7th resistance 20, the first electric capacity 21, the second electric capacity 22, the 3rd electric capacity 23, the 4th electric capacity 24th, the 5th electric capacity 25, the 6th electric capacity 26, the 7th electric capacity 27, the first diode 28, the first triode 29, the second triode 30, Three triodes 31;The first resistor 14 is rheostat, and the sliding end of the first resistor 14 connects one end of the first electric capacity 21, The other end of the first resistor 14 is picked out, and the other end of first electric capacity 21 connects one end of second resistance 15, respectively One end of three electric capacity 23, one end of 3rd resistor 16, the base stage of the first triode 29, another termination of the 3rd resistor 16 Ground, the colelctor electrode of second triode 30 connects the other end of second resistance 15, one end of the second electric capacity 22, the 6th electricity respectively One end of appearance 26, the emitter stage of the 3rd triode 31, the colelctor electrode of second triode 30 connect one end of the 5th electric capacity 25, The base stage of second triode 30 connects emitter stage, one end of the 3rd electric capacity 23 and the 4th resistance 17 of the first triode 29 One end, the other end of the 6th electric capacity 26 is picked out;The emitter stage of first triode 29 connects the 5th resistance 18 respectively One end, one end of the 4th electric capacity 24, the other end, the other end of the 4th electric capacity 24 of the 5th resistance 18 are grounded;Described The colelctor electrode of one triode 29 connects the other end of the 3rd electric capacity 23, one end of the 4th resistance 17, the second triode 30 respectively Base stage;The emitter stage of second triode 30 connects one end of the 5th electric capacity 25, the other end ground connection of the 5th electric capacity 25; The other end of second electric capacity 22 connects one end of the 6th resistance 19, one end of the 7th resistance 20, the 7th resistance respectively 20 other end connects the colelctor electrode of the 3rd triode 31, one end of the 7th electric capacity 27 respectively, the 7th electric capacity 27 it is another End ground connection;The other end of 6th resistance 19 connects the anode of the first diode 28, the base stage of the 3rd triode 31 respectively;Institute The negative electrode for stating the first diode 28 connects the other end of the 4th resistance 17.
Each element that amplifying circuit 6 is also included in circuit board, above-mentioned amplifying circuit 6 is electrically connected by circuit board, the first electricity Resistance 14 the other end pick out, the other end of the 6th electric capacity 26 is picked out and referred to, the other end of first resistor 14, the 6th electric capacity 26 it is another One end is electrically connected with other circuits, to realize amplification and output of the amplifying circuit 6 to signal.
Such scheme can be effectively reduced the loss of power distribution network, also, distribution network operation mistake during specifically used Need not be excessive in journey by manual intervention, reduce the labor intensity of technical staff.
Section Example of the present utility model is described in detail above in association with accompanying drawing.Those skilled in the art read After this specification, based on the technical solution of the utility model, above-described embodiment can be modified, these modifications still fall within this The protection domain of utility model.

Claims (5)

1. a kind of Distributed power net multipole coordinates energy saver, it is characterised in that:Including the data acquisition device being sequentially connected (1), data integration device (2) and data supervising device (3), the data acquisition device (1) include power detector (4), mould Number converter (5), amplifying circuit (6), control module (7), current transformer (8), inverter (9), reactive compensation module (10), data Transport module (11), power supervisor (12) and power supply module (13), the power detector (4) sequentially pass through analog-digital converter (5), amplifying circuit (6) is communicated with control module (7), the current transformer (8), inverter (9), reactive compensation module (10), number Communicated respectively with control module (7) according to transport module (11), the power supply module (13) is by power supervisor (12) to control Module (7) is powered;
The amplifying circuit (6) includes first resistor (14), second resistance (15), 3rd resistor (16), the 4th resistance (17), the Five resistance (18), the 6th resistance (19), the 7th resistance (20), the first electric capacity (21), the second electric capacity (22), the 3rd electric capacity (23), 4th electric capacity (24), the 5th electric capacity (25), the 6th electric capacity (26), the 7th electric capacity (27), the first diode (28), the first triode (29), the second triode (30), the 3rd triode (31);The first resistor (14) is rheostat, the first resistor (14) Sliding end connect one end of the first electric capacity (21), the other end of the first resistor (14) picks out, first electric capacity (21) The other end connect one end of second resistance (15), one end of the 3rd electric capacity (23), one end of 3rd resistor (16), first respectively The base stage of triode (29), the other end ground connection of the 3rd resistor (16), the colelctor electrode difference of second triode (30) Connect the other end, one end of the second electric capacity (22), one end of the 6th electric capacity (26), the 3rd triode (31) of second resistance (15) Emitter stage, the colelctor electrode of second triode (30) connects one end of the 5th electric capacity (25), second triode (30) Base stage connect one end of the emitter stage of the first triode (29), one end of the 3rd electric capacity (23) and the 4th resistance (17), it is described The other end of 6th electric capacity (26) is picked out;The emitter stage of first triode (29) connects the one of the 5th resistance (18) respectively End, one end of the 4th electric capacity (24), the other end, the other end of the 4th electric capacity (24) of the 5th resistance (18) are grounded;Institute The colelctor electrode for stating the first triode (29) connects the other end of the 3rd electric capacity (23), one end of the 4th resistance (17), second respectively The base stage of triode (30);The emitter stage of second triode (30) connects one end of the 5th electric capacity (25), the 5th electricity Hold the other end ground connection of (25);The other end of second electric capacity (22) connects one end of the 6th resistance (19), the 7th electricity respectively The one end of (20) is hindered, the other end of the 7th resistance (20) connects colelctor electrode, the 7th electric capacity of the 3rd triode (31) respectively (27) one end, the other end ground connection of the 7th electric capacity (27);The other end of 6th resistance (19) connects first respectively The base stage of the anode of diode (28), the 3rd triode (31);The negative electrode of first diode (28) connects the 4th resistance (17) the other end.
2. a kind of Distributed power net multipole according to claim 1 coordinates energy saver, it is characterised in that:The data Supervising device (3) includes main control module (32) and the data transmit-receive module (33) communicated respectively with main control module (32), mesolow Power distribution network AVC (34), harmonic wave positioning analysis device (35), distribution energy-saving index evaluation module (36), quality of power supply tuning controller (37) perturbation analysis module (38) and temporarily drops.
3. a kind of Distributed power net multipole according to claim 1 coordinates energy saver, it is characterised in that:The unsteady flow Device (8) is the electric semiconductor bridge-type current transformer from commutation.
4. a kind of Distributed power net multipole according to claim 1 coordinates energy saver, it is characterised in that:The inversion Device (9) is voltage source inverter.
5. a kind of Distributed power net multipole according to claim 1 coordinates energy saver, it is characterised in that:It is described idle Compensating module (10) is static passive compensation device.
CN201720217413.4U 2017-03-07 2017-03-07 A kind of Distributed power net multipole coordinates energy saver Active CN206524630U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849081A (en) * 2017-03-07 2017-06-13 国网浙江省电力公司金华供电公司 A kind of Distributed power net multipole coordinates energy saver and power-economizing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106849081A (en) * 2017-03-07 2017-06-13 国网浙江省电力公司金华供电公司 A kind of Distributed power net multipole coordinates energy saver and power-economizing method

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