CN207166142U - A kind of hybrid filtering compensation device and power system - Google Patents

A kind of hybrid filtering compensation device and power system Download PDF

Info

Publication number
CN207166142U
CN207166142U CN201721224686.8U CN201721224686U CN207166142U CN 207166142 U CN207166142 U CN 207166142U CN 201721224686 U CN201721224686 U CN 201721224686U CN 207166142 U CN207166142 U CN 207166142U
Authority
CN
China
Prior art keywords
bus
compensation device
filtering compensation
hybrid filtering
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721224686.8U
Other languages
Chinese (zh)
Inventor
洪吉龙
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.)
Hefei Kai Hong Electronic Control Technology Co Ltd
Original Assignee
Hefei Kai Hong Electronic Control Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Kai Hong Electronic Control Technology Co Ltd filed Critical Hefei Kai Hong Electronic Control Technology Co Ltd
Priority to CN201721224686.8U priority Critical patent/CN207166142U/en
Application granted granted Critical
Publication of CN207166142U publication Critical patent/CN207166142U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The utility model discloses a kind of hybrid filtering compensation device, including:First bus, the first sampling transformer being arranged on the first bus, the second bus electrically connected with the first bus, be arranged at the second bus second sample transformer, the active module embedded therein being connected with the second bus, controller and at least one passive module;Controller is connected with passive module and active module embedded therein respectively, and each passive module is in parallel with active module embedded therein.A kind of hybrid filtering compensation device disclosed in the utility model, it is designed to modular structure, it is easy to dismounting and maintenance in the future, it is not only economical meanwhile passive module and active module embedded therein are in parallel, quick reactive-load compensation can also be provided, well stable power factor command is ensured, while there can be good regulation effect to the harmonic wave in system, ensures the safe and stable operation of power system.The invention also discloses a kind of power system for including formula filtering compensation device mixed above.

Description

A kind of hybrid filtering compensation device and power system
Technical field
Electric reactive compensating harmonic filtering compensation technical field is the utility model is related to, more particularly to one kind Hybrid filtering compensation device.
Background technology
It is well known that traditional reactive-load compensation harmonic processing mode has passive scheme and active scheme.
Passive scheme is typically opened by tuning reactor, power capacitor, idle compensating control, sampling transformer, switching The composition such as pass.Bus current is adopted to controller by sampling transformer, it is active and idle so as to be divided into.Thrown when power factor is low Enter capacitor, capacitor is cut off when power factor is high.But the capacity of capacitor is fixed.A spy is needed when a certain moment During fixed demand, capacitor can not be compensated accurately, and fluctuation up and down just occurs in power factor.
And active scheme is typically realized by active filter or static reacance generator, two product costs are high, radiating Amount is big.
Therefore, how the reactive power compensator that a kind of both economic and can ensures well stable power factor command is provided, The problem of being those skilled in the art's urgent need to resolve.
Utility model content
In view of this, the utility model provides a kind of hybrid filtering compensation device, not only economical, and can provide Quick reactive-load compensation, well stable power factor command is ensured, ensure the safe and stable operation of power system.
To achieve these goals, the utility model adopts the following technical scheme that:
A kind of hybrid filtering compensation device, including:First bus, the first sampling being arranged on first bus are mutual Sensor, the second bus electrically connected with first bus, the second sampling transformer being arranged on second bus, with institute State the second bus connected active module embedded therein, controller and at least one passive module;The controller respectively with the passive mould Block connects with the active module embedded therein, and each passive module is in parallel with the active module embedded therein.
Preferably, each passive module includes:At least one set of passive filter;Every group of passive filter includes:Electricity Power capacitor, tuning reactor, fling-cut switch and fuse;Wherein:One end of the power capacitor and the tuning reactance One end connection of device;The other end of the tuning reactor is connected with the first end of the fling-cut switch;The fling-cut switch Second end is connected with the controller, and the 3rd end at the switching beginning is connected with one end of the first fuse;Described The other end of one fuse is connected with second bus.
Preferably, the power capacitor uses the capacitor bank of delta connection.
Preferably, the active module embedded therein includes:Capacitor, insulated gate bipolar transistor and inductor;Wherein:The electricity Container is connected with one end of the insulated gate bipolar transistor;The other end of the insulated gate bipolar transistor and the electricity One termination of sensor;The other end of the inductor is connected with second bus.
Preferably, the controller is connected by 485 communication bus with the passive module and the active module embedded therein.
Preferably, the controller uses touch screen controller.
Preferably, in addition to the breaker that is arranged on second bus.
Preferably, in addition to arrester and second fuse, one end ground connection of the arrester, other end connection described the Two fuses, the other end of the second fuse connect second bus.
Preferably, the device is arranged in cabinet in a manner of integrated modular, and bus-bar room is provided with the cabinet.
The invention also discloses a kind of power system, including hybrid filtering compensation device as described above.
Understood via above-mentioned technical scheme, compared with prior art, the utility model disclose provide it is a kind of hybrid Filtering compensation device, the device are designed to modular structure, are easy to dismounting and maintenance in the future.
Passive module and active module embedded therein is in parallel, and one side low cost is cost-effective, on the other hand when controller detects Need preferentially to put into power capacitor during some requirement in system, then controller is judging the power capacitor capacity of input A contrast is done with requirement, inductive reactive power abatement system is sent by active module embedded therein when putting into power capacitor capacity and being more than requirement The reactive current of system;Sending capacitive reactive power by active module embedded therein when putting into power capacitor capacity and being less than requirement increases system Reactive current, so that system power factor can maintain the requirement of sets target power factor always.
Therefore, the device is not only economical, and can provide quick reactive-load compensation, ensures that well stable power factor will Ask, ensure the safe and stable operation of power system, while also have good regulation effect to the harmonic wave in system.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to the accompanying drawing of offer.
Fig. 1 accompanying drawings are electrical structure diagram of the present utility model;
Fig. 2 accompanying drawings are front view of the present utility model;
Fig. 3 accompanying drawings are side view of the present utility model.
Wherein, 1 is the first bus, and 2 be the first sampling transformer, and 3 be the second bus, and 4 be the second sampling transformer, and 5 are Active module embedded therein, 51 be capacitor, and 52 be insulated gate bipolar transistor, and 53 be inductor, and 6 be passive module, and 61 be electric power electricity Container, 62 be tuning reactor, and 63 be fling-cut switch, and 64 be first fuse, and 7 be controller, and 8 be breaker, and 9 be lightning-arrest Device, 10 be second fuse, and 11 be cabinet, and 12 be bus-bar room.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of hybrid filtering compensation device, including:First bus 1, it is arranged at The first sampling transformer 2 on one bus 1, the second bus 3 electrically connected with the first bus 1, the be arranged on the second bus 3 Two sampling transformers 4, the active module embedded therein 5 being connected with the second bus 3, controller 7 and at least one passive module 6;Controller 7 divides It is not connected with passive module 6 and active module embedded therein 5, each passive module 6 is in parallel with active module embedded therein 5.
The device is designed to modular structure, is easy to dismounting and maintenance in the future, passive module and active module embedded therein is in parallel sets Put, it is not only economical, moreover it is possible to quick reactive-load compensation is provided, well stable power factor command is ensured, ensures power system Safe and stable operation.
Wherein, passive module 6 is used to provide capacitive reactive power, active module embedded therein 5 can be used in providing inductive reactive power or capacitive without Work(.
During system starts, the electric capacity requirement according to needed for determining the electric current that the first sampling transformer 2 gathers, controller 7 preferentially put into passive module 6 when detecting and some requirement is needed in system, and then controller 7 is judging the passive mould of input The capacitance and electric capacity requirement of block 6 do a contrast, when the capacitance of the passive module 6 of input is more than electric capacity requirement, The reactive current of inductive reactive power abatement system is sent by active module embedded therein 5;When the capacitance of input passive module 6 is less than requirement When, sending capacitive reactive power by active module embedded therein 5 increases the reactive current of system, so that system power factor can maintain always In the requirement of sets target power factor.
In addition, active module embedded therein can also do corresponding harmonic management, and the He of passive module 6 to the harmonic in system Active module embedded therein 5 is in parallel, lower than active module embedded therein cost is used alone, practical.
In order to further optimize above-mentioned technical proposal, each passive module 6 includes:At least one set of passive filter, root The passive filter of respective numbers is opened according to the demand of power network.Every group of passive filter includes:Power capacitor 61, tune reactance Device 62, fling-cut switch 63 and first fuse 64;Wherein:One end of power capacitor 61 connects with one end of tuning reactor 62 Connect;The other end of tuning reactor 62 is connected with the first end of fling-cut switch 63;Second end of fling-cut switch 63 connects with controller 7 Connect, the 3rd end of fling-cut switch 63 is connected with one end of first fuse 64;The other end of first fuse 64 and the second bus 3 Connection.
Wherein, in passive filter, power capacitor 61 is used to put into capacitance compensating electric capacity requirement;Tuning reactor 62 can reduce interference of the harmonic wave to power capacitor 61, prevent Harmonics amplification, reduce harmonic pollution;Fling-cut switch 63 is used for controlling The input of reactive-load compensation processed and cut-out;First fuse 64 is then that circuit is protected, and ensures circuit safety operation.
In order to further optimize above-mentioned technical proposal, power capacitor 61 uses the capacitor bank of delta connection, i.e., When a phase occurs breaking, other two-phases can still continue to compensate.
In order to further optimize above-mentioned technical proposal, active module embedded therein 5 includes:Capacitor 51, insulated gate bipolar crystal Pipe 52 and inductor 53;Wherein:Capacitor 51 is connected with one end of insulated gate bipolar transistor 52;Insulated gate bipolar crystal The other end of pipe 52 is connected with one end of inductor 53;The other end of inductor 53 is connected with the second bus 3.
Capacitor 51 can provide capacitive reactive power, and inductor 52 can provide inductive reactive power, insulated gate bipolar transistor The advantages of 52 existing driving powers are small and switching speed is fast, have again bipolar device saturation pressure reduce and capacity it is big the advantages of. Active module embedded therein 5 can produce electric current equal in magnitude, in opposite direction to offset harmonic current, so as to right when there is harmonic wave generation Harmonic in system does corresponding harmonic management.
In order to further optimize above-mentioned technical proposal, controller 7 passes through 485 communication bus and passive module 6 and active Module 5 connects, and 485 communication bus communication distances are farther, can support point-to-multipoint communication, real-time height.
In order to further optimize above-mentioned technical proposal, controller 7 uses touch screen controller, easy to operate.
In order to further optimize above-mentioned technical proposal, in addition to the breaker 8 being arranged on the second bus 3, breaker 8 It is convenient that whole system is controlled, realize the opening and closing of system.
In order to further optimize above-mentioned technical proposal, in addition to arrester 9 and second fuse 10, the one of arrester 9 End ground connection, other end connection second fuse 10, the other end of second fuse 10 connect the second bus 3.Arrester 9 is set Put, be the effect by parallel spark gap or nonlinear resistance, invasion flow waves are carried out cutting width, reduced by protection equipment institute By overvoltage value, so as to play a part of protecting communication line and equipment;Second fuse 10 also functions to simultaneously is carried out to circuit The effect of protection.
In order to further optimize above-mentioned technical proposal, the device is arranged in a manner of integrated modular in cabinet 11, Ensure the safe handling of device;Meanwhile cabinet 11 is internally provided with bus-bar room 12, the first bus 1 and the second bus 3 are positioned over In bus-bar room, facilitate the safe handling of device.
The invention also discloses a kind of power system, including as above hybrid filtering compensation device.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment For, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is said referring to method part It is bright.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (10)

  1. A kind of 1. hybrid filtering compensation device, it is characterised in that including:First bus (1), it is arranged at first bus (1) the first sampling transformer (2) on, the second bus (3) electrically connected with first bus (1), is arranged at described second The second sampling transformer (4) on bus (3), the active module embedded therein (5) being connected with second bus (3), controller (7) and extremely A few passive module (6);The controller (7) is connected with the passive module (6) and the active module embedded therein (5) respectively, institute It is in parallel with the active module embedded therein (5) to state each passive module (6).
  2. A kind of 2. hybrid filtering compensation device according to claim 1, it is characterised in that each passive module (6) include:At least one set of passive filter;
    Every group of passive filter includes:Power capacitor (61), tuning reactor (62), fling-cut switch (63) and first fuse (64);Wherein:
    One end of the power capacitor (61) is connected with one end of the tuning reactor (62);
    The other end of the tuning reactor (62) is connected with the first end of the fling-cut switch (63);
    Second end of the fling-cut switch (63) is connected with the controller (7), the 3rd end of the fling-cut switch (63) and institute State one end connection of first fuse (64);
    The other end of the first fuse (64) is connected with second bus (3).
  3. A kind of 3. hybrid filtering compensation device according to claim 2, it is characterised in that the power capacitor (61) Using the capacitor bank of delta connection.
  4. A kind of 4. hybrid filtering compensation device according to claim 1, it is characterised in that active module embedded therein (5) bag Include:Capacitor (51), insulated gate bipolar transistor (52) and inductor (53);Wherein:
    The capacitor (51) is connected with one end of the insulated gate bipolar transistor (52);
    The other end of the insulated gate bipolar transistor (52) is connected with one end of the inductor (53);The inductor (53) the other end is connected with second bus (3).
  5. 5. a kind of hybrid filtering compensation device according to claim 1, it is characterised in that the controller (7) passes through 485 communication bus are connected with the passive module (6) and the active module embedded therein (5).
  6. 6. a kind of hybrid filtering compensation device according to claim 1, it is characterised in that the controller (7) uses Touch screen controller.
  7. 7. a kind of hybrid filtering compensation device according to claim 1, it is characterised in that also include being arranged at described the Breaker (8) on two buses (3).
  8. A kind of 8. hybrid filtering compensation device according to claim 1, it is characterised in that also including arrester (9) and Second fuse (10), one end ground connection of the arrester (9), the other end connection second fuse (10), described second The other end of fuse (10) connects second bus (3).
  9. 9. a kind of hybrid filtering compensation device according to claim 8, it is characterised in that the device is with integrated modular Mode be arranged in cabinet (11), the cabinet (11) is internally provided with bus-bar room (12).
  10. 10. a kind of power system, it is characterised in that including the hybrid filtering compensation device described in claim any one of 1-9.
CN201721224686.8U 2017-09-22 2017-09-22 A kind of hybrid filtering compensation device and power system Expired - Fee Related CN207166142U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721224686.8U CN207166142U (en) 2017-09-22 2017-09-22 A kind of hybrid filtering compensation device and power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721224686.8U CN207166142U (en) 2017-09-22 2017-09-22 A kind of hybrid filtering compensation device and power system

Publications (1)

Publication Number Publication Date
CN207166142U true CN207166142U (en) 2018-03-30

Family

ID=61723595

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721224686.8U Expired - Fee Related CN207166142U (en) 2017-09-22 2017-09-22 A kind of hybrid filtering compensation device and power system

Country Status (1)

Country Link
CN (1) CN207166142U (en)

Similar Documents

Publication Publication Date Title
CN102231522B (en) Power flow controller with failure current limiting function
CN204349457U (en) A kind of reactive power compensation filtering device
CN105119262B (en) Realize that power quality adjusts the circuit with the active extinguishing arc of small current grounding fault simultaneously
CN102170135A (en) 35KV large capacity reactive compensation and harmonic suppression integrated system and control method thereof
CN102035196A (en) Thyristor controlled series compensator-based fault current limiting device
CN110824282A (en) High-voltage charging pile electric energy quality monitoring system
CN103441501B (en) Method for achieving arc suppression coil function by using high-voltage cascading type SVG
CN104617580B (en) Resonant mode current limiting system and control method
CN204304441U (en) A kind of reactive power dynamic compensation system
CN204706889U (en) Low-voltage dynamic filtering bucking-out system
CN104767191A (en) Converter grounding system
CN205911749U (en) Control of power quality device and have control of power quality's comprehensive block terminal
CN207166142U (en) A kind of hybrid filtering compensation device and power system
CN201041942Y (en) Low-voltage passive intelligent tuning filtering device
CN201247961Y (en) Mobile dynamic compensator for reactive harmonious wave
CN201904615U (en) Fault current limiting device based on thyristor controlled series compensation
CN211720266U (en) Three-phase unbalanced power supply regulation transmission cabinet device
CN107394810A (en) Intelligent grid connection inductive transformer system
CN202034780U (en) 110kV filter compensation energy-saving set device
CN202218020U (en) Phase-control-type reactive power dynamic compensating device
CN204464986U (en) A kind of converter grounding system
CN201515230U (en) Series capacitor compensator
CN206559056U (en) Generator test reactive power adjustment device
CN205945082U (en) High voltage reactive power compensation device
CN104578107A (en) Reactive compensation filtering device and method

Legal Events

Date Code Title Description
GR01 Patent grant
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: 20180330