CN109936143A - A kind of flexible controller switching equipment of intelligence controlled dynamic voltage adjusting - Google Patents
A kind of flexible controller switching equipment of intelligence controlled dynamic voltage adjusting Download PDFInfo
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Abstract
The invention discloses a kind of intelligent controlled dynamic voltages to adjust flexible controller switching equipment, comprising: transformer, equipment inlet-outlet line connecting pin, alternating current by-pass switch, equipment body machine core, disconnecting switch and equipment body switch；The inlet wire input terminal of equipment inlet-outlet line connecting pin is connect with the secondary side inlet wire of the transformer, and the inlet wire output end of equipment inlet-outlet line connecting pin is divided to two branches in parallel；Its first branch is connect with the input terminal of the alternating current by-pass switch；Second branch is connect with the input terminal that the equipment body switchs；The output end of the equipment body switch is connect with the input terminal of the equipment body machine core, and the output end of the disconnecting switch is connect with the leading-out terminal of equipment inlet-outlet line connecting pin.Equipment complex of the invention multiple functions can be realized it is unified to voltage, current quality problem compensate, while improving voltage stability etc., and equipment life is long, ensures the continuity of equipment work.
Description
Technical field
The present invention relates to power quality control technology field, in particular to a kind of intelligent controlled dynamic voltage adjusts flexibility and matches
Electric equipment.
Background technique
Electric system is the manual system being built into for the generation, conveying, distribution of electric energy with application, conventional electric power system
Composition specifically include that generator, transformer, transmission line, cable, capacitor group, be directly realized by electric energy conversion electrical equipment
And it protects and control equipment.These equipment are attached by mode appropriate, form organic whole, it is ensured that electric system is in office
When time, which can generate the electric energy of quantity abundance, meets the requirement of system loading.As automations various in electric system are set
Standby, intelligent equipment, digitizer, Informationization Equipment etc. using more and more, power quality problem is got worse.
The superiority and inferiority of power quality depends on the following aspects, and voltage deviation, voltage jumps, power off, voltage transient, excessively electric
Pressure, under-voltage, voltage notches, static voltage fluctuation, transient voltage fluctuation, DC component, voltage deviation, rate of qualified voltage.By
The influence of above several respects, currently, high-low pressure transmission and distribution networks it is more or less all there is a problem of that power quality is poor.Especially
It is receiving end (user terminal) transformer low voltage distribution system, is become by load equipment type in power supply quality, system and operating status
The influence of change reduces the power quality in its low-voltage distribution system seriously, causes in user terminal transformer low voltage distribution system
Every parameters of electric power severe deviations, electropollution (harmonic wave, surge, wink stream) content increase, and cause in system load equipment in electric power
It works under the very poor environment of quality, loss and waste increases.
Power quality problem can be solved with power electronic equipment appropriate, and the prior art mostly inhibits and compensation device,
Such as high pressure (TSC) reactive power compensator, static reactive power compensation device, active (passive) filter, pressure stabilizing (pressure regulation) device, electricity
Voltage recovery device etc..These devices can only be inhibited or be compensated to a certain item parameters of electric power in power quality, and single function is belonged to
Energy device, and existing apparatus is made of stability, impact resistance and the steady lower power electric component of the limit of heat mostly, makes it
Shelf-life is shorter, and malfunction and be failure to actuate outstanding problem, and work continuity is difficult to ensure.
In recent years, with electric power, the continuous development of electron controls technology, there is Unified Power Quality Controller while solving
The hybrid device of voltage, current quality problem, after being decoupled by the inverter of its part in series and parallel connection part solely
Vertical operation, and the characteristics of realizing comprehensive compensation when existing simultaneously voltage, current problems, can be directed in distribution line.In grant number
Multiple coil is used for the Chinese patent " a kind of high-capacity UPQC and its control method " of CN103618310B
The structure that transformer secondary connects H bridging parallel operation is applied to UPQC parallel connection side.Side three-phase in parallel is equivalent in bridging on-Line Voltage
Three single-phase rectifier models.Since each H bridge rectifier is independent control, not by the shadow of imbalance of three-phase voltage
It rings, conducive to the stabilization of UPQC DC voltage when voltage ripple of power network, and uses the controlling party based on virtual orthographic coordinate transform
Method makes the single-phase rectifier device of UPQC parallel connection side be equivalent to three-phase rectifier model, and the power factor with three-phase rectifier can
The function of control and harmonics restraint, the institute that can fully achieve three-phase rectifier under balanced system voltage conditions are functional.It is authorizing
Number for the Chinese patent " a kind of parallel connection type Unified Power Quality Controller and its progress control method " of CN104135009B it is open
Unified Power Quality Controller by voltage source converter, energy-storage units, mode of resonance electronic switch and master control system composition should
Master control system is made of master controller and multiple sensors；Wherein, mode of resonance electronic switch series connection accesses power grid and is protected
It protects between sensitive load, the two-port of mode of resonance electronic switch is respectively PCC1 point and PCC2 point；Voltage source converter exchange is defeated
Exit port parallel connection accesses PCC2 point, and DC bus capacitor port is connected with the corresponding output port of energy-storage units respectively；Main control
Device generates control gate signal output and is connected with voltage source converter and mode of resonance electronic switch.This method is by various electric energy
Quality fault is judged and controls the present apparatus to be switched fast and run between 4 kinds of modes；The present invention has structure letter
Advantage single, low in cost, that anti-overload ability is strong, operational efficiency is high.But in the transmission capacity for improving transmission system, improve conveying
There is no realize in terms of the functions such as the steady limit of the heat of capacity.
Summary of the invention
The purpose of the present invention is to provide a kind of intelligent controlled dynamic voltages to adjust flexible controller switching equipment, can be realized to electricity
The unified compensation of pressure, current quality problem, reduces tri-phase unbalance factor, inhibits voltage wave the series and parallel combination containing energy-storage units
While dynamic and flickering, voltage stability, the transmission capacity for improving transmission system, the steady limit of heat for improving transmission capacity are improved,
And extend equipment life, ensure the continuity of equipment work.
To achieve the above object, the present invention provides a kind of intelligent controlled dynamic voltages to adjust flexible controller switching equipment, comprising:
Transformer, equipment inlet-outlet line connecting pin, alternating current by-pass switch, equipment body machine core, disconnecting switch and equipment body switch；Institute
The inlet wire input terminal for stating equipment inlet-outlet line connecting pin is connect with the secondary side inlet wire of the transformer, the equipment inlet-outlet line connection
The inlet wire output end at end is divided to two branches in parallel；Its first branch is connect with the input terminal of the alternating current by-pass switch, described
The output end of alternating current by-pass switch is connect with the leading-out terminal of equipment inlet-outlet line connecting pin；Second branch and the equipment body
The input terminal of switch connects；The output end of the equipment body switch is connect with the input terminal of the equipment body machine core, described
The output end of equipment body machine core is connect with the input terminal of the disconnecting switch, the output end of the disconnecting switch and the equipment
The leading-out terminal of inlet-outlet line connecting pin connects.
Preferably, in above-mentioned technical proposal, the equipment body machine core is by magnet controlled reactor module, dynamic electric voltage recovery device
Module, direct current accumulator, active filter module, output filter module, functional circuit module, voltage control module, electric current
Control module and main controller module composition；The input terminal of the magnet controlled reactor module switchs defeated with the equipment body
Outlet connection, the output end of the magnet controlled reactor module are connect with the input terminal of the dynamic electric voltage recovery device module；It is described
The output end of dynamic electric voltage recovery device module passes through and the concatenated direct current accumulator of static switch and the active filter mould
The input terminal of block connects；The output end of the active filter module is connect with the input terminal of the voltage control module, described
Voltage control module is connect with the main controller module；The output filter module and the active filter wired in parallel
And the same DC side is shared, the output end of the output filter module is connect with the input terminal of the current control module；
The current control module is connect with the main controller module；The main controller module is by controlling DC voltage, bearing
Electric current, network voltage, DC voltage reference signal and load side voltage reference signal are carried, compensation electric current and offset voltage are obtained
A reference value.
Preferably, in above-mentioned technical proposal, described its structure of magnet controlled reactor module uses magnetic path parallel connection leakage self-shielding
Formula.
Preferably, in above-mentioned technical proposal, the active filter module and the output filter module use left string
Right and mode.
Preferably, in above-mentioned technical proposal, the magnet controlled reactor module is by filter branch and magnet controlled reactor branch group
At, wherein the filter branch is composed in series by capacitor, reactor, discharge coil and protection element, for provide capacitive without
Function compensation and filtering；The magnet controlled reactor branch routing magnet controlled reactor, thyristor, MCR controller composition, are used for dynamic regulation
Reactive power.
Preferably, in above-mentioned technical proposal, the main controller module includes current limiter, Rv adjustable resistance, solid-state current limliting
Breaker and buffer circuit；The current limiter is connected in parallel with Rv adjustable resistance and buffer circuit, the output of the current limiter
End is connect with the input terminal of the solid-state current limiting circuit breaker.
Preferably, in above-mentioned technical proposal, the functional circuit module, including interface circuit device, detection circuit device, timing
And reset circuit device, gate pole breaking circuit device, electrical isolation amplifier and crystal amplifier；Wherein, the transistor is put
The output end of big device and the input terminal of the interface circuit device are connected in series, the several branches of output end point of the interface circuit device
It is put respectively with the detection circuit device, the timing and reset circuit device, the gate pole breaking circuit device and the electrical isolation
The input terminal connection of big device；The output end of the timing and reset circuit device is connect with the input terminal of the detection circuit device, institute
State the output end output detection signal of detection circuit device.
Compared with prior art, the invention has the following beneficial effects:
1, equipment of the invention improves device redundancey degree using modularized design and optimizes the mechanism of product in which can be convenient
And volume, increase the operational reliability of device；Modular design is also conducive to standardized large-scale production, to reduce life
Produce cost；
2, equipment of the invention has to voltage, the unified compensation of current quality problem, the series and parallel group containing energy-storage units
Close, reduce tri-phase unbalance factor, inhibit voltage fluctuation and flicker, improve voltage stability, improve transmission system transmission capacity,
The functions such as the steady limit of heat of transmission capacity are improved, the equipment of comprehensive improvement power quality problem is belonged to.
Detailed description of the invention
Fig. 1 is the structure chart that intelligent controlled dynamic voltage adjusts flexible controller switching equipment according to the present invention.
Fig. 2 is the composition schematic diagram of equipment body machine core according to the present invention.
Fig. 3 is the structural block diagram of main control module according to the present invention.
Fig. 4 is the structural block diagram of functional circuit module according to the present invention.
Fig. 5 is the control principle drawing that intelligent controlled dynamic voltage adjusts flexible controller switching equipment according to the present invention.
Main appended drawing reference explanation:
1- transformer, 2- equipment inlet-outlet line connecting pin, 3- alternating current by-pass switch, 4- equipment body machine core, 5- disconnecting switch,
6- equipment body switch, 7- load equipment；
30- alternating current inlet wire master switch, 101- magnet controlled reactor module, 102- dynamic electric voltage recovery device module, 103- direct current
Accumulator, 104- static switch, 105- active filter module, 106- output filter module, 107- functional circuit module,
108- voltage control module, 109- current control module, 110- main controller module；
111- current limiter, 121-Rv adjustable resistance, 131- solid-state current limiting circuit breaker, 151- buffer circuit；
117- interface circuit device, 127- detection circuit device, 137- timing and reset circuit device, 147- gate pole breaking circuit
Device, 157- electrical isolation amplifier, 167- crystal amplifier.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
Fig. 1 shows that intelligent controlled dynamic voltage according to the preferred embodiment of the present invention adjusts the knot of flexible controller switching equipment
Structure schematic diagram.
A kind of intelligent controlled dynamic voltage of the invention adjusts flexible controller switching equipment as shown in Figure 1, comprising: transformer 1 is set
Standby inlet-outlet line connecting pin 2, alternating current by-pass switch 3, equipment body machine core 4, disconnecting switch 5 and equipment body switch 6；
The inlet wire input terminal of equipment inlet-outlet line connecting pin 2 is connect with the secondary side inlet wire of transformer 1, the connection of equipment inlet-outlet line
The inlet wire output end at end 2 is divided to two branches in parallel；Its first branch is connect with the input terminal of alternating current by-pass switch 3, by alternating current
The output end of way switch 3 is connect with the leading-out terminal of equipment inlet-outlet line connecting pin 2；The input of second branch and equipment body switch 6
End connection；The output end of equipment body switch 6 is connect with the input terminal of equipment body machine core 4, the output end of equipment body machine core 4
It is connect with the input terminal of disconnecting switch 5, the output end of disconnecting switch 5 connect going out for load equipment 7 with equipment inlet-outlet line connecting pin 2
Line end connection.To solve the problems, such as distribution transformer three-phase load unbalance when supply voltage is inputted by transformer 1, in imbalance
When three-phase system is transformed into the three-phase system of balance, electromagnetic energy can temporarily be stored up by being equipped in conversion equipment, that is, transformer 1
Inductance coil and capacitor element.Being adapted to reactance respectively in three-phase load isInductance and reactance beCapacitor,
It may make up the three-phase system of balance.
Equipment body machine core 4 as shown in Figure 2 is by magnet controlled reactor module 101, dynamic electric voltage recovery device module 102, direct current
Accumulator 103, active filter module 105, output filter module 106, functional circuit module 107, voltage control module
108, current control module 109 and main controller module 110 form；The input terminal of magnet controlled reactor module 101 and equipment master
The output end of body switch 6 connects, the output end of magnet controlled reactor module 101 and the input terminal of dynamic electric voltage recovery device module 102
Connection；The output end of dynamic electric voltage recovery device module 102 or through with the concatenated direct current accumulator 103 of static switch 104 with it is active
The input terminal of filter module 105 connects；The output end of active filter module 105 and the input terminal of voltage control module 108
Connection, voltage control module 108 are connect with main controller module 110；Output filter module 106 and active filter module
105 is in parallel and share the same DC side, the output end of output filter module 106 and the input terminal of current control module 109
Connection；Current control module 109 is connect with main controller module 110；Main controller module 110 by control DC voltage,
Load current, network voltage, DC voltage reference signal and load side voltage reference signal obtain compensation electric current and compensation electricity
The a reference value of pressure, in the present embodiment for more preferably control with management equipment main body machine core 4 and its power access end be provided with city
Electric inlet wire master switch 30.
Its structure of magnet controlled reactor module 101 uses magnetic path parallel connection leakage self-shielding type in the present invention, by filtering branch
Road and magnet controlled reactor branch form, wherein filter branch is the filter circuit of common knowledge, by capacitor, reactor, electric discharge
Coil and protection element are composed in series, and for providing capacitive reactive power compensation and filtering, magnet controlled reactor branch routes reactor, brilliant lock
Pipe, MCR controller composition, are used for dynamic regulation reactive power.Its principle is magnet controlled reactor using direct current magnetism-assisting principle, is utilized
Additional direct current, excitation magnetize iron core, change iron core magnetic conductivity, realize the continuously adjustable of reactance value, and internal is full static structure,
Movement-less part, functional reliability are high.Further, the reactor used in the present invention is made of a four column iron cores and winding,
Centre is set there are two the iron core that works, and the winding of voltage input end connection is control winding, the winding of voltage output end be work around
Group connects silicon-controlled device in control winding with the angle of flow of control winding, to change the magnetic saturation of work iron core, realizes
Output capacity is continuously adjusted.Using this reactive power compensator is small, non-maintaining with output harmonic wave, structure is simple, reliability
The small equal remarkable advantages of Gao ﹑ Jia lattice Di Lian ﹑ occupied area, and when Working winding both ends connect alternating voltage, in control winding
Corresponding voltage will be induced, under the action of silicon-controlled on winding, with the sinusoidal waveform of alternating voltage in voltage
Positive half cycle is connected one, in another controlled silicon conducting of the negative half period of voltage, thus realize the angle of flow for automatically controlling thyristor,
With the steady Limits properties of heat that can effectively solve the transmission capacity of transmission system, improve transmission capacity.In addition, due to magnetic control reactance
Device module 101 uses direct current magnetism-assisting principle, and using additional direct current, excitation magnetizes iron core, changes iron core magnetic conductivity, realizes reactance value
It is continuously adjustable, internal is full static structure, and movement-less part, functional reliability is high, the quality of effective guarantee electric energy transmission.
Dynamic electric voltage recovery device module 102, it is by the preferred battery group of a direct current accumulator and one in the present invention
Group converter valve, composition in parallel with the secondary side of same transformer 1, the primary side of transformer 1 seals in feeder line, can be in feed electricity
The waveform of distortion or voltage jump bidirectional compensating are normal voltage by the qualified voltage quality for guaranteeing user when pressure mutates,
Actuation time only has several milliseconds.In order to reinforce the tenability to important load, the direct current accumulation of energy of boost-up circuit will be preferably had
After being connected in parallel on dynamic electric voltage recovery device module 102 after 103 tandem static switch 104 of device.
Utility power quality control part of the invention is concentrated mainly on equipment body machine core 4 comprising active filter module
105, output filter module 106, functional circuit module 107, voltage control module 108, current control module 109 and master control
Device module 110 processed, the wherein preferred PWM voltage controller of voltage control module 108, the preferred PWM electric current control of current control module 109
Device processed.In the present invention, active filter module 105 and output filter module 106 are using the right simultaneously mode of left string.Series active
Filter module 105 is using the current transformer of series compensation unit as control object, so that the output quantity of series converter is quick
And being accurately tracked by signal instruction value is target.Network voltage value is acquired first, and electricity is calculated by compensation rate detection algorithm
Thermal compensation signal is pressed, the compensating control method secondly used by design can be obtained by using the modulation of voltage control module 108
The start pulse signal of power tube is controlled, isolated drive circuit, which finishes processing work to these pulse signals, can control unsteady flow
Device switching tube on-off, voltage compensation quantity is exported.The compensation electric current that parallel output filter module 106 exports is that control target is come
Achieve the purpose that control power network current indirectly, main controller module 110 is getting harmonic current and fundamental wave in load current
After reactive component, it is all taken to the instruction value for treating as parallel output filter module 106 after opposite phase, selects reasonable side
Method controls parallel output filter module 106, and the electric current for exporting it carries out the instruction current of above-mentioned acquirement quickly accurate
Tracking reaches and adjusts power network current as fundamental wave sinusoidal current and solve the problems, such as that current harmonics, voltage harmonic content are higher.
It, can be with simultaneously to the reference value of series connection PWM voltage controller and parallel connection PWM current controller offer electric current and voltage
The function and dynamic characteristic of the active filter module 105 and output filter module 106 that make Series FPB and parallel FPB are assisted
It adjusts, and parallel connection is placed on close to load end, be conducive to the control of harmonic source in this way, harmonic wave concussion ingredient does not interfere with series connection
The influence of portvoltage compensation.
As shown in figure 3, main controller module 101, including current limiter 111, Rv adjustable resistance 121, solid-state current limiting circuit breaker
131, buffer circuit 151；Current limiter 111 and Rv adjustable resistance 121 and buffer circuit 151 are connected in parallel.Specifically buffer circuit
151 are made of 3 concatenated current limliting circuits, for the current limliting buffering to overcurrent and overvoltage, play protection for subsequent conditioning circuit
Effect；Solid-state current limiting circuit breaker 131 is connected on after current limiter 111, and solid-state current limiter is used in combination with solid circuit breaker,
So that its ability with quick on-off；When system normal power supply, current limiter 111 control effectively to system power, right
Short circuit current, dash current, starting current etc. are effectively intercepted.Meanwhile because realizing effective control to electric current, thus
It can also realize the adjusting and control to output end voltage size.When external overvoltage (operating process in lightning stroke and system),
Thyristor can restore to block after commutation at once with the antiparallel diode of wholly-controled device, and forward current drops rapidly
It is low, limitation and absorption overvoltage.
As shown in figure 4, functional circuit module 107, including interface circuit device 117, detection circuit device 127, timing and reset
Circuit device 137, gate pole breaking circuit device 147, electrical isolation amplifier 157, crystal amplifier 167, wherein transistor amplification
The output end of device 167 and the input terminal of interface circuit device 117 are connected in series, the several branches of output end point of interface circuit device 117
Respectively with detection circuit device 127, timing and reset circuit device 137, gate pole breaking circuit device 147 and electrical isolation amplifier 157
Input terminal connection；The output end of timing and reset circuit device 137 is connect with the input terminal of detection circuit device 127, detection circuit
The output end output detection signal of device 127；
Crystal amplifier 167 exports negative level, the negative driving electricity of the conducting output of interface circuit device 117 when there is no input signal
Pressure exports positive level when there is signal, and the conducting of interface circuit device 117 exports positive driving voltage.Detection circuit device 127, timing and
Reset circuit device 137, gate pole breaking circuit device 147 and the composition of electrical isolation amplifier 157 move back saturation detection and defencive function mould
Block, when overcurrent occurs timing and reset circuit device 137 and gate pole breaking circuit device 147 be applied in combination can quick response but
It turns off at a slow speed and provides fault-signal to external circuit.
The control principle that intelligent controlled dynamic voltage of the invention adjusts flexible controller switching equipment is as follows:
1. intelligent control principle
By the phase angle of control Δ V (series voltage) at 0 degree, so that amplitude becomes within the scope of a certain value of output end voltage
Change, to realize the control to output end voltage amplitude.It introduces functioning as series voltage Δ V and increases 1 in the line
Reactance is for reducing or increasing the pressure drop dropped on line reactance, with the compensation to transmission line of electricity reactance, to improve control
Power transmission line terminal load voltage, the ability for increasing Transmission Lines power realize the synthesis of output end voltage and series compensation
Control.In addition, the variation according to phase shift is to wattful power through the control to phase angle in the case where output end voltage amplitude is constant
Rate implements control, and intelligent controlled dynamic voltage adjusts flexible controller switching equipment and is equivalent to phase shifter at this time, by phase angle adjustment to having
Function power control.
2. the control principle of power quality
Using the circuit topological structure of the UPQC of a three-phase three-wire system, as shown in figure 5, it includes a series active filter
Wave device and a Parallel Hybrid Active Power Filter, series unit and parallel units share a DC side.Series unit is equivalent to
Voltage source Uc, as network voltage UsWhen falling or containing voltage harmonic, for filtering out harmonic voltage and steady load voltage UL
For normal value；Parallel units are equivalent to current source ic, for compensating load current iLIdle and harmonic wave.High frequency filter LV-CV is used for
Filter out the high-frequency signal of pwm converter generation.Master controller passes through control DC voltage, load current iL, network voltage Us,
DC voltage reference signal U* DCWith load side voltage reference signal U* L, available compensation electric current i* cWith offset voltage U* c's
A reference value.Calculating process is realized under d-q rotating coordinate system.Due to the presence of High frequency filter LV-CV and LI, make d, q axis
Variable intercouple, in order to obtain good dynamic and static state performance, take decoupling control.
3. circuit module explanation
In the present invention in addition to statement explanation in embodiment, designed circuit module, current/voltage controller, filtering
Device etc. is all made of the working principle and composition of common knowledge.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (7)
1. a kind of intelligence controlled dynamic voltage adjusts flexible controller switching equipment characterized by comprising transformer, equipment inlet-outlet line
Connecting pin, alternating current by-pass switch, equipment body machine core, disconnecting switch and equipment body switch；
The inlet wire input terminal of equipment inlet-outlet line connecting pin is connect with the secondary side inlet wire of the transformer, the equipment disengaging
The inlet wire output end of line connecting pin is divided to two branches in parallel；
Its first branch is connect with the input terminal of the alternating current by-pass switch, and the output end of the alternating current by-pass switch is set with described
The leading-out terminal of standby inlet-outlet line connecting pin connects；
Second branch is connect with the input terminal that the equipment body switchs；The output end of the equipment body switch and the equipment
The input terminal of main body machine core connects, and the output end of the equipment body machine core is connect with the input terminal of the disconnecting switch, described
The output end of disconnecting switch is connect with the leading-out terminal of equipment inlet-outlet line connecting pin.
2. intelligence controlled dynamic voltage according to claim 1 adjusts flexible controller switching equipment, which is characterized in that the equipment
Main body machine core is filtered by magnet controlled reactor module, dynamic electric voltage recovery device module, direct current accumulator, active filter module, output
Wave device module, functional circuit module, voltage control module, current control module and main controller module composition；
The input terminal of the magnet controlled reactor module is connect with the output end that the equipment body switchs, the magnet controlled reactor mould
The output end of block is connect with the input terminal of the dynamic electric voltage recovery device module；The output end of the dynamic electric voltage recovery device module
Through being connect with the concatenated direct current accumulator of static switch with the input terminal of the active filter module；The active power filtering
The output end of device module is connect with the input terminal of the voltage control module, the voltage control module and the master controller mould
Block connection；The output filter module and the active filter wired in parallel and the same DC side is shared, the output
The output end of filter module is connect with the input terminal of the current control module；The current control module and the main control
The connection of device module；
The main controller module by control DC voltage, load current, network voltage, DC voltage reference signal and
Load side voltage reference signal obtains a reference value of compensation electric current and offset voltage.
3. intelligence controlled dynamic voltage according to claim 2 adjusts flexible controller switching equipment, which is characterized in that the magnetic control
Its structure of reactor module uses magnetic path parallel connection leakage self-shielding type.
4. intelligence controlled dynamic voltage according to claim 2 adjusts flexible controller switching equipment, which is characterized in that described active
Filter module and the output filter module are using the right simultaneously mode of left string.
5. intelligence controlled dynamic voltage according to claim 2 adjusts flexible controller switching equipment, which is characterized in that the magnetic control
Reactor module is made of filter branch and magnet controlled reactor branch, wherein the filter branch by capacitor, reactor, put
Electric coil and protection element are composed in series, for providing capacitive reactive power compensation and filtering；The magnet controlled reactor branch routes magnetic control
Reactor, thyristor, MCR controller composition, are used for dynamic regulation reactive power.
6. intelligence controlled dynamic voltage according to claim 2 adjusts flexible controller switching equipment, which is characterized in that the master control
Device module processed includes current limiter, Rv adjustable resistance, solid-state current limiting circuit breaker and buffer circuit；The current limiter and Rv adjustable electric
Resistance and buffer circuit are connected in parallel, and the output end of the current limiter is connect with the input terminal of the solid-state current limiting circuit breaker.
7. intelligence controlled dynamic voltage according to claim 2 adjusts flexible controller switching equipment, which is characterized in that the function
Circuit module, including interface circuit device, detection circuit device, timing and reset circuit device, gate pole breaking circuit device, electrical isolation are put
Big device and crystal amplifier；Wherein, the input terminal string of the output end of the crystal amplifier and the interface circuit device
The several branches of output end point of connection connection, the interface circuit device are electric with the detection circuit device, the timing and reset respectively
Road device, the gate pole breaking circuit device are connected with the input terminal of the electrical isolation amplifier；The timing and reset circuit device
Output end connect with the input terminal of the detection circuit device, the output end of detection circuit device output detection signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711373113.6A CN109936143A (en) | 2017-12-19 | 2017-12-19 | A kind of flexible controller switching equipment of intelligence controlled dynamic voltage adjusting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711373113.6A CN109936143A (en) | 2017-12-19 | 2017-12-19 | A kind of flexible controller switching equipment of intelligence controlled dynamic voltage adjusting |
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| CN113687195A (en) * | 2021-08-13 | 2021-11-23 | 重庆大学 | Electrical equipment discharge fault simulation device and method |
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Effective date of registration: 20191031 Address after: Room 1212, floor 12, building B, Jinsheng era, No. 7, Yuexiu Road, Qingxiu District, Nanning City, Guangxi Zhuang Autonomous Region, 530000 Applicant after: Guangxi Xinxiang Energy Saving Technology Co., Ltd Address before: 530000 room 1209, 12 floor, block B, Jinsheng age 7, Yuexiu Road, Nanning, the Guangxi Zhuang Autonomous Region. Applicant before: Guangxi Xuan Yitai Investment Co. Ltd. |