CN105244886A - Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application - Google Patents

Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application Download PDF

Info

Publication number
CN105244886A
CN105244886A CN201510720925.8A CN201510720925A CN105244886A CN 105244886 A CN105244886 A CN 105244886A CN 201510720925 A CN201510720925 A CN 201510720925A CN 105244886 A CN105244886 A CN 105244886A
Authority
CN
China
Prior art keywords
distribution network
power distribution
reactor
voltage
magnet controlled
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.)
Pending
Application number
CN201510720925.8A
Other languages
Chinese (zh)
Inventor
刘晓海
刘涵洁
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.)
SHAANXI CESET TECHNOLOGY Co Ltd
Original Assignee
SHAANXI CESET 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 SHAANXI CESET TECHNOLOGY Co Ltd filed Critical SHAANXI CESET TECHNOLOGY Co Ltd
Priority to CN201510720925.8A priority Critical patent/CN105244886A/en
Publication of CN105244886A publication Critical patent/CN105244886A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Eletrric Generators (AREA)

Abstract

The invention discloses a power distribution network high-voltage treatment system and method based on a magnetic control type series reactor, and an application. The system realizes the purpose of high-voltage treatment through one dynamically adjustable reactor adaptively in series connection with the high-voltage side of a transformer of a power distribution network; a power supply of the system comes from a low-voltage system of the power distribution system, the size of system voltages is monitored in real time, and the reactor is switched on and switched off through switching of a bypass switch; and through excitation control, the trigger angle of controllable silicon is changed, accordingly, the magnetic field intensity of a magnetic core directly connected in series to the power distribution network is changed, and the size of inductive reactance of the magnetic control reactor is changed so that the purpose of voltage adjustment of the power distribution network is realized. The power distribution network high-voltage treatment system provided by the invention has the advantages of wide adjustment scope, rapid dynamic response, flexible adjustment property, stable work, direct high-voltage treatment effect, small volume, light weight, convenient installation and maintenance, and the like.

Description

A kind of power distribution network high voltage governing system based on magnet controlled series reactor, method and application
Technical field
The invention belongs in electric power system, power quality controlling field, power distribution network side, be specifically related to a kind of power distribution network high voltage governing system based on magnet controlled series reactor, method and application.
Background technology
Along with social economy's development and living standards of the people improve constantly, the requirement of people to the quality of power supply is more and more higher, at present in relevant electric power system low-voltage network, pays close attention to higher to user side low-voltage problem, the measure of administering, Related product, device are also more, overallly solve technology maturation; But for the problem that user side voltage is high, pay close attention to less, substantially do not have corresponding ripe scheme and measure to solve the problem of overtension in field of distribution network at present.According to state's net to the latest requirement of distribution unit at different levels about the quality of power supply, for terminal use, voltage is too low or too high all undesirable.And the harm relative low voltage that user side overtension brings is larger, even there is the phenomenon because overtension causes household electrical appliance to burn in some areas, social influence is very severe.Therefore for actively to implement national rural power policy, vigorously implement " new rural village, new electric power, newly service " development strategy, solve the problem that in power distribution network, the quality of power supply is not high particularly urgent.The proposition of this project creation type is connected double winding reactor on distribution network line, namely exchanges winding and DC control winding.By changing the exciting current of DC control winding, regulating the magnetic field intensity of reactor inside, changing the degree of saturation of reactor core, thus change the dynamic inductance value exchanging winding, finally realize overvoltage problem on adjusting circuit.This device can coordinate static reacance generator, can administer the problem that the terminal voltage of terminal use is too high, too low completely, makes round-the-clock country and the state's net of meeting of the terminal voltage of terminal use to the requirement of the quality of power supply.The maximum feature of this system, can most economicalization, convenient, efficient mode solve extensively exist at present low-voltage network field in too high, the too low problem of line voltage.
Summary of the invention
For distribution network electric energy quality in existing electric power system generally occur problem, the present invention proposes a kind of power distribution network high voltage governing system based on magnet controlled series reactor, method and application.The present invention have extremely strong novelty, integrated level high, with strong points, design ingenious, solve field of distribution network high voltage problem successful.System can automatically drop into according to terminal voltage state or remote dispatching center instruction and launch, and has that rapid dynamic response speed, adjustable range are wide, working stability, reliably characteristic.Have that volume is little, lightweight, easy for installation, quick, less investment, successful feature, the target that user side overtension is effectively administered can be realized.A kind of power distribution network high voltage governing system based on magnet controlled series reactor of this invention simultaneously and method thereof, it is connected on the dynamic inductance value of reactor on circuit by the mode soft readjustment that magnetic control regulates, and realizes administering high-tension problem on circuit.The maximum advantage of this invention is, system topology is succinct, volume is little, lightweight, by artificially sealing in a large inductance value on the line, and control, regulate the size of this inductance value by the mode that magnetic control is coupled, realize the object of voltage-regulation on circuit, there is extremely strong reliability.The present invention can be used for some distributed energies and accesses in the more distribution network system of more or small-sized water power, has less investment, returns high feature.Wide market, social effect is strong.
Technical scheme of the present invention is:
Based on a power distribution network high voltage governing system for magnet controlled series reactor, its special character is, whole system seals in by self adaptation the object that the dynamic adjustable reactor of power distribution network high voltage side of transformer one realizes high voltage improvement.
The above-mentioned dynamically adjustable reactor sealed in is the adjustment that the mode regulated by magnetic control realizes to sealing in reactor inductance value on circuit.
Above-mentioned to seal in reactor on circuit be by regulating DC excitation current system, regulates the magnetic field intensity of magnetic core, reach adjustment and seal in power distribution network high voltage side of transformer reactor winding inductance value, realize the object of pressure regulation.
The above-mentioned power distribution network high voltage governing system based on magnet controlled series reactor, its special character is: comprise that low pressure is incorporated to interface unit, exciting current control generator, magnet controlled series reactor, magnet controlled series reactor by-pass switch, high pressure seal in interface unit and monitoring unit;
Described low pressure is incorporated to interface unit parallel connection access power distribution network transformer low-voltage side output; The low-pressure side voltage of power distribution network transformer by low pressure and gateway unit parallel connection is linked in system, by four pole AC circuit breaker, alternating voltage, alternating current by acquisition module access exciting current control generator;
Described exciting current control generator comprises uncontrollable rectifier unit, soft start unit, discharge loop, power conversion unit and RCD absorption circuit; Exciting current control generator produces exciting current, by the voltage swing of monitoring unit according to power distribution network transformer low-voltage side, power device in automatic regulating power converter unit is as opened or the turn-off time in insulated gate bipolar transistor (IGBT) or enhancement mode field effect transistor (P-MOSFET), regulate the size of the exciting current flow through on magnet controlled series reactor direct current winding, control to exchange the voltage on winding; Described interchange windings in series access power distribution network high voltage side of transformer front end; Described magnet controlled series reactor by-pass switch is connected with the interchange winding parallel of magnet controlled series reactor, accepts monitoring unit and controls; Monitoring unit determines whether bypass or incision according to power distribution network low-pressure side voltage status.
The above-mentioned dynamically adjustable reactor sealed in can automatically drop into as required or cut out, and its inductance value sealed on circuit can realize continuous dynamic intelligent linear regulation.
Above-mentioned other one end of exciting current control generator is connected according to this with magnet controlled series reactor DC control winding; Wherein the DC side of exciting current control generating unit is connected with magnet controlled series reactor DC control winding successively; Magnet controlled series reactor DC control winding is three windings, and head and the tail are connected in series successively, the power model of finally series connection access excitation con-trol generating unit and RCD junction; The interchange winding of control formula series reactor is three windings, seals in interface be connected successively with high pressure, is serially connected in power distribution network high voltage side of transformer three-phase system; Wherein the three-phase alternating current winding of magnet controlled series reactor is parallel with controlled switch all respectively, and this controlled switch is controlled by monitoring unit; Can according to power distribution network low-pressure side voltage status or remote dispatching center instruction, the magnet controlled series reactor by-pass switch of Based Intelligent Control, realizes interchange winding to cut as required or bypass goes out in circuit.
Three of above-mentioned magnet controlled series reactor exchange winding and are connected in series with power distribution network high voltage side of transformer three-phase line respectively.
Three of above-mentioned magnet controlled series reactor exchange winding and are all parallel with interchange winding bypass breaker, and this circuit breaker is controlled by monitoring unit.
Based on a power distribution network high voltage administering method for magnet controlled series reactor, its special character is, the method comprises:
(1) this device accesses distribution network system high voltage side of transformer by the mode of series connection;
(2) by regulating the inductance value of string reactor on power distribution network high voltage side of transformer circuit, regulation voltage;
(3) by the mode that electromagnetic coupled controls, the inductance value of regulable control string reactor on the line;
(4) by producing, regulating the mode of DC excitation electric current, regulating and controlling is serially connected in inductance value circuit exchanging winding;
(5) DC excitation current source self produces, and continuously adjustabe;
(6) exciting current is direct current, and size is dynamically adjustable;
(7) in power conversion unit, power device used is gated transistor or enhancement mode field effect transistor;
(8) this device carries monitoring unit, can cut voluntarily as required or cut out, without the need to manually on duty;
(9) this device can start adjustment reference position value, to adapt to the different requirements of zones of different location to power grid quality by sets itself;
(10) this device carries by-pass switch, when being convenient to overhaul of the equipments, reduces the impact on mains supply;
(11) this device exciting current generator unit carries out modularized design, and wherein power conversion unit according to actual needs, in conjunction with magnet controlled series reactor direct current winding connection form, can realize the independent adjustment to each phase voltage of power distribution network high-pressure side.
The above-mentioned power distribution network high voltage based on magnet controlled series reactor administers its method, its special character is: the monitoring unit of described device is system control unit and analog acquisition unit, instruction can be assigned voluntarily according to distribution network system state, also can accept control centre or control centre and assign instruction and regulate distribution network voltage.
A kind of application of the power distribution network high voltage governing system based on magnet controlled series reactor, its special character is: this system is applied on 10KV power distribution network transformer high-voltage side bus, and Concetrated control causes the problem of terminal use 380V side overtension because 10KV busbar voltage is too high.
A kind of application of the power distribution network high voltage governing system based on magnet controlled series reactor, its special character is: this system is applied on terminal use side 10KV power distribution network transformer high-voltage side bus, and distributed improvement causes the problem of terminal use 380V side overtension because of 10KV overtension.
Based on an application for the power distribution network high voltage governing system of magnet controlled series reactor, its special character is: this system is applied in the system of below 110KV power distribution network; This system can be installed in series and comprise in the two buss lines in 110KV and below 110KV distribution network system, also can be arranged in 110KV and below 110KV distribution network system in branched line.
The invention has the beneficial effects as follows:
1, a kind of power distribution network high voltage governing system based on magnet controlled series reactor of the present invention and method thereof, its novelty proposes by the dynamic inductance value being connected on reactor on the circuit of high-pressure side, regulate the pressure drop on the circuit of high-pressure side, the efficient voltage regulating low-pressure side.The method is unique, ingenious, easily realize.
2, topological structure of the present invention is succinct, and working stability is reliable, and response speed is high; It is convenient to install, and input cost is few, and regulation effect precisely, significantly.
3, the magnet controlled series reactor unit of the present invention, exchanges winding and is directly connected in series to power distribution network high-pressure side, by controlling the exciting current size flow through on DC control winding, regulates the size of the dynamic inductance value exchanging winding in the mode of electromagnetic coupled.The method safely, reliably, controls simple.
4, exciting current control generator unit of the present invention, be the topological structure that can turn off power electronic device and conventional semiconductor devices establishment based on a new generation, possess three-phase uncontrollable rectifier, soft start unit, discharge loop, power conversion unit, RCD absorption circuit function.Have that operating frequency is high, dynamic response is fast, exciting current ripple is little, regulation voltage precision high.
5, the present invention exchanges winding by-pass switch and is controlled by monitoring unit, according to power distribution network monitoring side voltage status information, regulates and exchanges winding and seal in or branch, have efficient, energy-conservation advantage.
Accompanying drawing explanation
Fig. 1 is a kind of power distribution network high voltage governing system schematic diagram based on magnet controlled series reactor of the present invention.
Fig. 2 is that power distribution network low-pressure side provided by the invention concentrates the power distribution network high voltage governing system schematic diagram accessing magnet controlled series reactor.
Fig. 3 is the power distribution network high voltage governing system schematic diagram of the magnet controlled series reactor of power distribution network low-pressure side provided by the invention multiple load dispersion access.
Embodiment
Be described in further detail below in conjunction with accompanying drawing 1 pair of the specific embodiment of the present invention.
See Fig. 1, a kind of power distribution network high voltage governing system based on magnet controlled series reactor comprises that high pressure seals in interface unit, magnet controlled series reactor, magnet controlled series reactor by-pass switch, exciting current control generator, low pressure are incorporated to interface unit, monitoring unit;
Low pressure of the present invention gateway unit are as the input in system, and mainly comprise three-phase power grid voltage access terminal, circuit breaker, three-phase power grid voltage and current detecting end, three is connected according to this.Wherein three-phase power grid voltage access terminal is 4 pin terminal boards, accesses three live wire ends and a zero line side of three-phase power grid voltage respectively.Circuit breaker possesses the pyromagnetic de-mouth function of short circuit, four ports.Three-phase power grid voltage and current detecting end, primarily of Hall type voltage sensor and Hall type current sensor composition, wherein Hall type voltage sensor is PCB welded type, and terminal voltage is taken from inside circuit breaker; Hall type current sensor is threading type; Realize the Real-Time Monitoring to low-pressure side line voltage.This unit mainly realizes power distribution network transformer low-voltage side line voltage to be incorporated in system, and realizing getting of exciting current can and monitor, so that the real time monitoring of monitoring means and control.
Exciting current control generator unit of the present invention produces as system exciting current and the unit of conversion forms primarily of three-phase uncontrollable rectifier unit, soft start unit, discharge loop, RCD absorption circuit, power conversion unit.
Described magnet controlled series reactor unit mainly comprises DC control winding, magnetic core, interchange winding, exchanges winding by-pass switch.Wherein DC control winding, magnetic core and exchange winding and be integrated machine.Interchange winding is three-phase windings, seals in interface unit be connected in series to the corresponding high-pressure side of power distribution network transformer respectively by high pressure; Exchange winding by-pass switch to be connected with interchange winding parallel respectively.Exchange winding by-pass switch and be controlled by monitoring unit, according to power distribution network transformer low-voltage side voltage status information, decision-making judges whether the incision of interchange winding or bypass.DC control winding is three-phase windings, is mutually connected in series respectively, and residue two ends are connected in series with exciting current control generator high direct voltage side and power conversion unit respectively.Controlled the break-make of exciting current control generator internal power converting unit by monitoring unit, realize the generation of DC control winding exciting current.By controlling the length of power conversion unit make-and-break time, realize the size of DC control winding current.By the voltage swing of monitoring unit according to power distribution network low-pressure side, in automatic adjustment exciting current control generator, power conversion unit is opened or the length of turn-off time, the size of regulation and control exciting current, control magnetic core internal magnetic field intensity, further control exchanges the dynamic inductance value of winding, regulate and exchange winding equiva lent impedance, regulate the pressure drop size sealed on the on high-tension side interchange winding of power distribution network, realize the adjustment to power distribution network transformer low-voltage side voltage swing.
High pressure string gateway unit of the present invention mainly comprises high pressure access terminal board.Realize power distribution network transformer high-voltage circuit to seal in system, realize the control of power distribution network high voltage side of transformer voltage.
Described monitoring unit mainly comprises monitoring unit, modulus collecting unit.Wherein monitoring unit is mainly and realizes exciting current generation and control, the control of interchange winding by-pass switch, system startup and exit providing hardware guarantee.Modulus collecting unit is mainly monitoring unit software and hardware and controls to provide system status information, line voltage state information.The two cooperation control guarantees the quick responsive electricity grid voltage status change of system.
The present invention is applied to field of distribution network as 10KV distribution network system, 35kV distribution network system, 110kW distribution network system.See Fig. 2, if 10kV distribution network system, high-pressure side is three-phase 10Kv, and low-pressure side is three-phase alternating current 380V system; If 35kV distribution network system, high-pressure side is 35kV, and low-pressure side is 10kV; If 110kV distribution network system, high-pressure side is 110kV, and low-pressure side is 35kV.
See Fig. 3, if the present invention is applied to 10kV distribution network system, it is installed in series in the high-pressure side of 10kV power distribution network transformer, is 10kV side.Three-phase alternating current 10kV voltage is first connected and is entered into system high pressure series connection gateway unit, then goes out the primary side and high-pressure side that are linked into 10KV power distribution network transformer.Low pressure is incorporated to access port unit parallel connection access 10kV power distribution network transformer low-voltage side and three-phase alternating current 380V side.Whole device, working power takes from low pressure 380V.
The present invention controls to be connected on the inductance value that power distribution network high-pressure side exchanges winding reactor by the mode of magnetic control, realize controlling the pressure drop on the circuit of power distribution network high-pressure side, regulate the magnitude of voltage of each phase of high-pressure side, realize the effective regulable control to step down side voltage.
Core apparatus of the present invention is magnet controlled series reactor.It is primarily of interchange winding, magnetic core, DC control winding.Wherein exchanging winding is three-phase windings, is connected on the three-phase system high-pressure side of power distribution network transformer respectively; DC control is around being also three-phase windings, and during this application of installation, DC control winding three-phase winding is sequentially connected in series, and the DC terminal that two ends control generating unit with exciting current is respectively connected with power conversion unit one end.Interchange winding and direct current winding are fixed on magnetic core.
The exciting current size on DC control winding is flow through in the present invention by regulating and controlling, regulate DC control winding and the magnetic field intensity exchanged between winding, by the mode of electromagnetic coupled, change the inductance value exchanging winding, regulate the dynamic equivalent impedance exchanging winding, regulate the pressure drop being connected on and high-tension line exchanging on winding, regulate the voltage between phases of power distribution network high voltage side of transformer further, thus realize method that power distribution network low-pressure side high voltage is administered.
Whole system of the present invention is that the improvement of power distribution network high voltage provides solution efficient, economic, easily; Solve in power distribution network because of load variations, or the problem that terminal use's voltage of bringing such as power station power flowcontrol is high, the solution of economization, for client provides quality power electric energy to experience, for power quality controlling in following field of distribution network provides a kind of brand-new pattern, there is great economic benefit and social benefit.
Embodiment
See accompanying drawing 1, a kind of power distribution network high voltage governing system based on magnet controlled series reactor of the present invention comprises that high pressure seals in interface unit, magnet controlled series reactor, magnet controlled series reactor by-pass switch, exciting current control generator, low pressure are incorporated to interface unit and monitoring unit;
Wherein: from the energy of power distribution network transformer low-voltage side by low pressure and incoming interface enters into system, whether monitoring unit drops into or bypass according to low-voltage network side voltage status, decision system again.When power distribution network transformer low-voltage side voltage is higher than the reference position value of setting, monitoring means responds fast, control opening and closing of power device, produce DC excitation electric current, the voltage of power distribution network transformer low-voltage side and the deviation size of target voltage is detected by monitoring unit, the time that turns on and off of automated closed-loop regulating power device and duty ratio, change the exciting current size flow through in DC control winding, magnet controlled series reactor is regulated to exchange the size of dynamically inductance value in winding, disconnect and exchange winding by-pass switch, interchange winding is cut in circuit, make controlled winding to produce certain pressure drop, finally reduce the size of power distribution network transformer low-voltage side voltage, realize the object that power distribution network high voltage is administered.
Whole system can be user terminal in field of distribution network and occurs that the improvement of high voltage problem provides a kind of brand-new method, allows power distribution network side transformer according to actual condition, auto-adjustment control.Really accomplish unattended operation, automatically regulate and administer terminal use's high voltage problem.For solving power distribution network end because the access of distributed power source or small water conservancy power station are because of by affecting brought generating shakiness in flood season or dry season, occurring that the problem of terminal use's overtension provides a kind of solution pattern completely newly, brand-new use electroreception for terminal electricity consumer brings.Can be enterprise and create huge economic and social benefit.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.

Claims (13)

1. based on a power distribution network high voltage governing system for magnet controlled series reactor, it is characterized in that: whole system seals in by self adaptation the object that the dynamic adjustable reactor of power distribution network high voltage side of transformer one realizes high voltage improvement.
2., according to claim 1 based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: described in the dynamically adjustable reactor that seals in be the adjustment that the mode regulated by magnetic control realizes to sealing in reactor inductance value on circuit.
3. according to claim 2 based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: described in seal in reactor on circuit be by regulating DC excitation current system, regulate the magnetic field intensity of magnetic core, reach adjustment and seal in power distribution network high voltage side of transformer reactor winding inductance value, realize the object of pressure regulation.
4. according to claim 3 based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: comprise that low pressure is incorporated to interface unit, exciting current control generator, magnet controlled series reactor, magnet controlled series reactor by-pass switch, high pressure seal in interface unit and monitoring unit;
Described low pressure is incorporated to interface unit parallel connection access power distribution network transformer low-voltage side output; The low-pressure side voltage of power distribution network transformer by low pressure and gateway unit parallel connection is linked in system, by four pole AC circuit breaker, alternating voltage, alternating current by acquisition module access exciting current control generator;
Described exciting current control generator comprises uncontrollable rectifier unit, soft start unit, discharge loop, power conversion unit and RCD absorption circuit; Exciting current control generator produces exciting current, by the voltage swing of monitoring unit according to power distribution network transformer low-voltage side, power device in automatic regulating power converter unit is opened or the turn-off time, regulate the size of the exciting current flow through on magnet controlled series reactor direct current winding, control to exchange the voltage on winding; Described interchange windings in series access power distribution network high voltage side of transformer front end; Described magnet controlled series reactor by-pass switch is connected with the interchange winding parallel of magnet controlled series reactor, accepts monitoring unit and controls; Monitoring unit determines whether bypass or incision according to power distribution network low-pressure side voltage status.
5. according to claim 4 based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: described in the dynamically adjustable reactor that seals in can automatically drop into as required or cut out, its inductance value sealed on circuit can realize continuous dynamic intelligent linear regulation.
6. according to claim 5 based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: described other one end of exciting current control generator is connected according to this with magnet controlled series reactor DC control winding; Wherein the DC side of exciting current control generating unit is connected with magnet controlled series reactor DC control winding successively; Magnet controlled series reactor DC control winding is three windings, and head and the tail are connected in series successively, the power model of finally series connection access excitation con-trol generating unit and RCD junction; The interchange winding of control formula series reactor is three windings, seals in interface be connected successively with high pressure, is serially connected in power distribution network high voltage side of transformer three-phase system; Wherein the three-phase alternating current winding of magnet controlled series reactor is parallel with controlled switch all respectively, and this controlled switch is controlled by monitoring unit; Can according to power distribution network low-pressure side voltage status or remote dispatching center instruction, the magnet controlled series reactor by-pass switch of Based Intelligent Control, realizes interchange winding to cut as required or bypass goes out in circuit.
7. according to claim 6 based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: three of described magnet controlled series reactor exchange winding and are connected in series with power distribution network high voltage side of transformer three-phase line respectively.
8. a kind of power distribution network high voltage governing system based on magnet controlled series reactor according to claim 6, three of its magnet controlled series reactor exchange winding and are all parallel with interchange winding bypass breaker, and this circuit breaker is controlled by monitoring unit.
9., based on a power distribution network high voltage administering method for magnet controlled series reactor, it is characterized in that, the method comprises:
(1) this device accesses distribution network system high voltage side of transformer by the mode of series connection;
(2) by regulating the inductance value of string reactor on power distribution network high voltage side of transformer circuit, regulation voltage;
(3) by the mode that electromagnetic coupled controls, the inductance value of regulable control string reactor on the line;
(4) by producing, regulating the mode of DC excitation electric current, regulating and controlling is serially connected in inductance value circuit exchanging winding;
(5) DC excitation current source self produces, and continuously adjustabe;
(6) exciting current is direct current, and size is dynamically adjustable;
(7) in power conversion unit, power device used is gated transistor or enhancement mode field effect transistor;
(8) this device carries monitoring unit, can cut voluntarily as required or cut out, without the need to manually on duty;
(9) this device can start adjustment reference position value, to adapt to the different requirements of zones of different location to power grid quality by sets itself;
(10) this device carries by-pass switch, when being convenient to overhaul of the equipments, reduces the impact on mains supply;
(11) this device exciting current generator unit carries out modularized design, and wherein power conversion unit according to actual needs, in conjunction with magnet controlled series reactor direct current winding connection form, can realize the independent adjustment to each phase voltage of power distribution network high-pressure side.
10. administer its method based on the power distribution network high voltage of magnet controlled series reactor according to claim 9, it is characterized in that: the monitoring unit of described device is system control unit and analog acquisition unit, instruction can be assigned voluntarily according to distribution network system state, also can accept control centre or control centre and assign instruction and regulate distribution network voltage.
11. 1 kinds of application based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: this system is applied on 10KV power distribution network transformer high-voltage side bus, and Concetrated control causes the problem of terminal use 380V side overtension because 10KV busbar voltage is too high.
12. 1 kinds of application based on the power distribution network high voltage governing system of magnet controlled series reactor, it is characterized in that: this system is applied on terminal use side 10KV power distribution network transformer high-voltage side bus, distributed improvement causes the problem of terminal use 380V side overtension because of 10KV overtension.
13. 1 kinds, based on the application of the power distribution network high voltage governing system of magnet controlled series reactor, is characterized in that: this system is applied in the system of below 110KV power distribution network; This system can be installed in series and comprise in the two buss lines in 110KV and below 110KV distribution network system, also can be arranged in 110KV and below 110KV distribution network system in branched line.
CN201510720925.8A 2015-10-30 2015-10-30 Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application Pending CN105244886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510720925.8A CN105244886A (en) 2015-10-30 2015-10-30 Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510720925.8A CN105244886A (en) 2015-10-30 2015-10-30 Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application

Publications (1)

Publication Number Publication Date
CN105244886A true CN105244886A (en) 2016-01-13

Family

ID=55042420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510720925.8A Pending CN105244886A (en) 2015-10-30 2015-10-30 Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application

Country Status (1)

Country Link
CN (1) CN105244886A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114236202A (en) * 2021-12-15 2022-03-25 锦浪科技股份有限公司 Power grid impedance debugging system and method
CN114781799A (en) * 2022-03-21 2022-07-22 中铁第四勘察设计院集团有限公司 Urban rail transit energy intelligent management system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354996A (en) * 2011-10-16 2012-02-15 国船电气(武汉)有限公司 Control system and control method based on MCR (magnetic control reactor) dynamic reactive power compensation and soft start
CN202333816U (en) * 2011-11-17 2012-07-11 东展科博(北京)电气有限公司 Reactive compensation device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102354996A (en) * 2011-10-16 2012-02-15 国船电气(武汉)有限公司 Control system and control method based on MCR (magnetic control reactor) dynamic reactive power compensation and soft start
CN202333816U (en) * 2011-11-17 2012-07-11 东展科博(北京)电气有限公司 Reactive compensation device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
徐祥征: "基于磁控电抗及混合滤波的电铁综合电能质量控制", 《中国博士学位论文全文数据库工程科技II辑》 *
王小星: "大功率电磁调压器的拓扑结构研究及谐波分析", 《中国优秀硕士学位论文全文数据库工程科技II辑》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114236202A (en) * 2021-12-15 2022-03-25 锦浪科技股份有限公司 Power grid impedance debugging system and method
CN114781799A (en) * 2022-03-21 2022-07-22 中铁第四勘察设计院集团有限公司 Urban rail transit energy intelligent management system

Similar Documents

Publication Publication Date Title
CN206461372U (en) Power distribution station three-phase load unbalance automatic regulating system
CN104184151B (en) A kind of dynamic electric voltage recovery device realizing the different operational mode of microgrid and take over seamlessly
AU2011207343B2 (en) Method and apparatus for improving power generation in a thermal power plant
CN105720606B (en) A kind of control method of active power distribution network unperturbed cyclization for active power distribution network
CN204205599U (en) A kind of electronic type feeder line on-load voltage regulating device
CN106899025A (en) A kind of comprehensive compensation type alternating current steady voltage plug
CN104734161B (en) Variable series-connection reactance dynamic voltage-adjustment reactive compensation method and device
CN104319790B (en) The pulsation TCT formula controllable parallel reactors of one kind 6
CN105244886A (en) Power distribution network high-voltage treatment system and method based on magnetic control type series reactor, and application
CN104716652A (en) Magnetically controlled shunt reactor
CN110137977A (en) Converter station regulation of series system and control method
CN205195273U (en) Distribution network high voltage treatment system based on magnetic control formula series reactor
CN103731011B (en) A kind of highly reliable constant current for highway remote power-feeding turns constant-voltage equipment
CN105790268B (en) A kind of low pressure remote conveying electric system
CN204681098U (en) A kind of novel dynamic voltage adjustment reactive power compensation topology
CN105449662B (en) A kind of method of determining direct current isolated operation control measure
CA3056769C (en) Hybrid transformer systems and methods
CN104104104A (en) Method of automatic switching between power generation mode and SVG mode for photovoltaic inverter
CN106058888A (en) Thyristor soft switch switching circuit of static reactive power compensator and control method
CN110148942A (en) A kind of transformer magnetic compensation device and method adapting to rectification load
CN103094906A (en) 750 kV magnetic-control type controllable highly resistance circuit based on compensation winding energy-getting excitation
CN103515959A (en) Energy-saving intelligent filter compensation metering comprehensive protection automatic transmission
CN204118755U (en) 6 pulsation TCT formula controllable parallel reactors
CN209626979U (en) A kind of first and last end three-phase imbalance controlling device
CN210629108U (en) Wide-width pressure regulating device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
AD01 Patent right deemed abandoned

Effective date of abandoning: 20190910

AD01 Patent right deemed abandoned