CN102818949B - Full-load testing device for magnetically controlled reactors - Google Patents

Full-load testing device for magnetically controlled reactors Download PDF

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Publication number
CN102818949B
CN102818949B CN201210245943.1A CN201210245943A CN102818949B CN 102818949 B CN102818949 B CN 102818949B CN 201210245943 A CN201210245943 A CN 201210245943A CN 102818949 B CN102818949 B CN 102818949B
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controlled reactor
reactor
capacitor
magnet controlled
branch road
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CN102818949A (en
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孙新年
李支海
杨圣利
喻德来
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Hangzhou Yinhu Electric Equipment Co Ltd
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Hangzhou Yinhu Electric Equipment Co Ltd
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Abstract

The invention relates to a full-load testing device for magnetically controlled reactors. The full-load testing device overcomes the shortcoming that an existing testing device only can partially test magnetically controlled reactors but cannot be used for full-load tests for the magnetically controlled reactors. The full-load testing device comprises a reactor testing branch connected with the magnetically controlled reactor, a thyristor controlled reactor branch and an FC (filter compensating) branch, the FC branch is connected with the reactor testing branch in parallel, and the thyristor controlled reactor branch is connected with transformation equipment and comprises a phase controlled reactor and a control device; and the FC branch comprises reactor mounting frames, a capacitor group and reactors, the capacitor group and the reactors are mounted in the reactor mounting frames, and a plurality of capacitors are connected in series or in parallel by flexible connecting lines to form the capacitor group. The TCR (thyristor controlled reactor) branch and the FC branch are combined, so that the full-load tests in an electrically controlled reactor plant are realized, output inductive reactive power capacity and capacitive reactive power capacity of the magnetically controlled reactors can be regulated continuously and steplessly.

Description

Magnet controlled reactor carries test device entirely
Technical field
The present invention relates to a kind of test unit of magnet controlled reactor, especially one can carry out test in complete year to magnet controlled reactor, and the magnet controlled reactor that can export according to the capacity regulating test of magnet controlled reactor carry test device entirely.
Background technology
Along with the develop rapidly of power industry, in succession putting into operation of high pressure, supergrid, proposes more and more higher requirement to power supply quality and reliability.But also bring much new problem, the formation of UHV (ultra-high voltage) bulk power grid and load variations aggravation, require that system provides a large amount of reactive power source adjust voltage, maintains System Reactive Power trend balance, raising power supply reliability thereupon.Magnet controlled reactor (Magnetically Controlled Reactor) is introduced domestic as a kind of inactive dynamic reactive compensation device the nineties in last century, and in be widelyd popularize in recent years and apply, compared with thyristor-controlled reactor type (TCR) dynamic reactive compensation device, its output harmonic wave is little, structure is simple, reliability is high, floor area is little, noise is low, the exclusive features such as loss is little make it become a kind of important kind of high-voltage dynamic reactive power compensation product gradually, especially in UHV (ultra-high voltage), for over-voltage in UHV transmission net, real-time compensation system reactive power, improve multi-line power transmission ability, adjustment line voltage distribution, remarkable minimizing circuit open circuit loss, improve electric network reliability, optimize operation of power networks situation etc. and will obtain promotion and application more widely.
At home, can to design and the manufacturer manufacturing magnet controlled reactor product is also increasing gradually, but most of producer carries out Design and manufacture based on power transformer product, due to the fundamental difference of its function and transformer, although cause a lot of producer to carry out deisgn product, but be difficult to the product testing of carrying out being correlated with, entirely in the factory of especially magnet controlled reactor carry test.The middle-size and small-size magnet controlled reactor manufacturer of major part just carries out part test, as directly hindered test, withstand voltage test, no-load test etc., and seldom carry out load test, even if indivedual producer can carry out load test, also the load test of about 20% product capacity can only be carried out, and then create when some magnet controlled reactor products run at the scene and cannot reach rated designs capacity, the problems such as magnet controlled reactor product is defective, therefore test in complete year of magnet controlled reactor product becomes a great problem perplexing numerous magnet controlled reactor manufacturer, also become last one barrier whether restriction magnet controlled reactor is really qualified.
Summary of the invention
The invention solves existing test unit to carry out part test to magnet controlled reactor and full defect of carrying test can not be carried out, a kind of magnet controlled reactor is provided entirely to carry test device, test is regulated to export perceptual reactive capability by thyristor-controlled reactor type branch road, in conjunction with the capacity of FC filtering compensation branch road expanding test electric capacity, realize carrying test to the complete of magnet controlled reactor.
This invention also solves the load test that existing test unit can only carry out 20% product capacity, full defect of carrying test can not be carried out, a kind of magnet controlled reactor is provided entirely to carry test device, test is regulated to export perceptual reactive capability by thyristor-controlled reactor type branch road, in conjunction with the capacity of FC filtering compensation branch road expanding test electric capacity, realize carrying test to the complete of magnet controlled reactor.
The technical solution adopted for the present invention to solve the technical problems is: a kind of magnet controlled reactor carries test device entirely, comprise the reactor test branch road connecting magnet controlled reactor, the FC filtering compensation branch road that characterized by further comprising thyristor-controlled reactor type branch road, be in parallel with thyristor-controlled reactor type branch road, FC filtering compensation branch road and reactor are tested branch road and are in parallel, and thyristor-controlled reactor type branch road is connected with potential device; The thyristor controlled series compensation that thyristor-controlled reactor type branch road comprises Controlled Reactor, connect with Controlled Reactor and the control device be connected with thyristor controlled series compensation; The reactor that FC filtering compensation branch road comprises capacitor installation frame, is arranged on the Capacitor banks in installation frame and connects with Capacitor banks, Capacitor banks is that some capacitors are connected by flexible connecting line and/or are formed in parallel.Magnet controlled reactor in use has each self-corresponding electric pressure, and the electric pressure of the magnet controlled reactor of different capabilities is not identical yet, therefore test to realize complete carrying, first the electric pressure of experiment to be transferred to suitable position, can realize by transformer equipment the electric pressure 380V voltage in factory being transferred to corresponding magnet controlled reactor; Thyristor-controlled reactor type branch road is called for short TCR branch road, and the perception that TCR branch road matches for generation of the capacity and electric pressure with magnet controlled reactor to be tested is idle, and can realize exporting the idle continuity of perception and stepless adjustable function; TCR branch road changes the trigger angle of thyristor controlled series compensation by control device, and regulates the output perception reactive capability of Controlled Reactor, the perceptual idle capacitive reactive power that can balance FC filtering compensation branch road and produce, thus realizes the test of magnet controlled reactor; The trigger angle of thyristor controlled series compensation can regulate as required automatically, continuously, and its perceptual reactive capability exported can regulate continuously, and another part capacitive reactive power of FC filtering compensation branch road is used for compensating underproof magnet controlled reactor; Capacitor banks produces different capacitive reactive powers by the series connection between capacitor and/or parallel connection, thus the magnet controlled reactor of compensating different voltage grade, realize the magnet controlled reactor test in the electric pressure of 10KV, 35KV, 66KV and more than 66KV, also can realize the complete of the magnet controlled reactor of 110KV and above and carry test.
As preferably, transformer equipment comprises low-pressure adjusting depressor and adjustable transformer, and the output terminal of low-pressure adjusting depressor is directly connected with the input end of adjustable transformer.Low-pressure adjusting depressor is used for car low tension to be progressively increased to meet testing requirements, the voltage that low-pressure adjusting depressor exports is carried out transformation by adjustable transformer, especially when being tested magnet controlled reactor electric pressure at more than 35KV, single low-pressure adjusting depressor can not meet pressure regulation needs, and increase adjustable transformer and just can further electric pressure be improved, until with to be tested magnet controlled reactor electric pressure consistent.
As preferably, Controlled Reactor is in series by two dry-type air-core reactors, the capacity of two dry-type air-core reactors is identical, and thyristor controlled series compensation is connected between two dry-type air-core reactors, and control device controls thyristor controlled series compensation and changes the trigger angle of thyristor controlled series compensation.The dry-type air-core reactor series connection that two capacity are identical makes that the perception of Controlled Reactor is idle is in synchronous increase, local or a section time is there will not be to undergo mutation, thyristor controlled series compensation is connected on middle for controlling second dry-type air-core reactor, regulates second dry-type air-core reactor just can regulate the idle output of the perception of whole Controlled Reactor.
As preferably, the reactor in FC filtering compensation branch road is single-phase dry type iron core series reactor, and single-phase dry type iron core series reactor adopts DMD insulating paper as layer insulation.DMD insulating paper, as layer insulation, because DMD insulating paper has good physical strength, dielectric properties and higher heat resistance, thus improves the reliability of single-phase dry type iron core series reactor.
As preferably, the installation frame of capacitor is the hierarchy be spliced by angle steel or channel-section steel, the Capacitor banks of every one deck forms an independently capacitor unit, the high-tension insulator of employing between layers of installation frame supports, Capacitor banks is between layers connected by flexible connecting line, and a multilayer installation frame forms a phase.Installation frame adopts hierarchy, is convenient to capacity extension, and the magnet controlled reactor that can adapt to different capabilities carries out complete carrying to be tested; Every one deck arranges an independently capacitor unit, more convenient to the setting of capacity; The capacity of the Capacitor banks on every one deck can be identical, also can not be identical, and it is fixed mainly to determine according to the capacity needed for magnet controlled reactor to be tested, and carries out the combination of Capacitor banks.
Conventional scheme is: the installation frame of each phase is three layers, and every one deck is combined by the Capacitor banks of three groups of different capabilities.The capacity of Capacitor banks is by the multiple condenser capacities in same group by connecting and/or being formed in parallel, and therefore the capacity of the Capacitor banks of every one deck difference to some extent as required, different to the capacity of different magnet controlled reactors to be tested, adopt different schemes.
As preferably, flexible connecting line is divided into short flexible connecting line and long flexible connecting line, and its short-and-medium flexible connecting line is used for connecting with layer capacitor, and wherein long flexible connecting line is used for interlaminar capacitor group and connects.Mainly consider that connecting the long-range of distance sets, short distance adopts short flexible connecting line, and long distance adopts long flexible connecting line, can reduce flexible connecting line and connect in disorder, can reduce connection and make mistakes, also can reduce the loss in flexible connecting line.
As preferably, flexible connecting line adopts plying copper cash or copper bar or copper braid over braid, is connected and is fixed by capacitor fixing clamper between flexible connecting line with capacitor.
As preferably, adopt between the capacitor of Capacitor banks inside and between Capacitor banks with Capacitor banks and to be fixedly connected with or disconnector is connected or isolating switch connection.Be fixedly connected with is need the capacity immobilization of test unit according to testing for complete year of magnet controlled reactor to be tested; Disconnector connects or isolating switch connect can in real time dilatation at the scene; Isolating switch can carry out charged adjustment to capacitor compensation when connecting.
As preferably, the test branch road of magnet controlled reactor comprises a magnet controlled reactor controller, and magnet controlled reactor controller is connected with magnet controlled reactor to be tested and regulates the output capacity of magnet controlled reactor to be tested.
The invention has the beneficial effects as follows: adopt the compensation way that TCR branch road+FC branch road combines, complete the carrying achieved in magnet controlled reactor factory is tested, and namely its output can be perceptual idle, also can be capacitive reactive power, the perception exported is idle and capacitive reactive power capacity can be continuous, stepless adjustable, preferably resolves the load test problem of magnet controlled reactor in factory; FC branch road adopts multiple stage capacitor to carry out connection in series-parallel combination, can meet the product demand of multiple voltage grade, multiple compensation capacity, achieves the expansion of function and integrated, and then forges into compound magnetic control testing table; Capacitor installation frame adopts hierachical structure, adopts insulating supporting structure between layers, ensure that electric insulation requirement during product testing.
Accompanying drawing explanation
Fig. 1 is a kind of test principle figure of the present invention;
Fig. 2 is the connection diagram of a kind of capacitor installation frame of the present invention;
Fig. 3 is the embodiment schematic diagram of a kind of capacitor installation frame of the present invention;
Fig. 4 is the interlayer layout of capacitor installation frame shown in Fig. 3 of the present invention;
Fig. 5 is the single-layer layout of capacitor installation frame shown in Fig. 3 of the present invention figure;
In figure: 1, low-pressure adjusting depressor, 2, adjustable transformer, 3, Controlled Reactor, 4, thyristor controlled series compensation, 5, control device, 6, Capacitor banks, 7, reactor, 8, magnet controlled reactor controller, 9, isolating switch, 10, insulator, 11, flexible connecting line, 12, top layer copper bar, 13, capacitor outlet row, 14, capacitor lead-in line row, 15, capacitor fixing clamper, 16, capacitor, 17, installation frame, 18, A phase capacitor connect row, 19, B phase capacitor connect row, 20, C phase capacitor connects row, and 21, spray-by-type fuse.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Magnet controlled reactor carries the principle (see accompanying drawing 1) of test device entirely: first carry out pressure regulation by the 380V low pressure in low-pressure adjusting depressor 1 pair of factory, pressure regulation to test required for voltage, such as 10KV, 35KV, 66KV, 110KV and more than.The output of low-pressure adjusting depressor is directly connected with the input of adjustable transformer, if required voltage higher grade, such as 35KV and above time, the voltage that low-pressure adjusting depressor exports carries out transformation through adjustable transformer, electric pressure is improved, until consistent with by the electric pressure of testing magnet controlled reactor.Adjustable transformer and TCR branch circuit parallel connection, TCR branch road and FC filtering compensation branch circuit parallel connection, FC filtering compensation branch road and reactor are tested branch road and are in parallel.The thyristor controlled series compensation 4 that TCR branch road comprises Controlled Reactor 3, connect with Controlled Reactor and the control device 5 be connected with thyristor controlled series compensation.The reactor 7 that FC filtering compensation branch road comprises capacitor installation frame, is arranged on the Capacitor banks in installation frame and connects with Capacitor banks, Capacitor banks is that some capacitors 6 are connected by flexible connecting line 11 and/or are formed in parallel.Flexible connecting line is divided into short flexible connecting line and long flexible connecting line.The test branch road of magnet controlled reactor comprises a magnet controlled reactor controller 8, and magnet controlled reactor controller is connected with magnet controlled reactor to be tested and regulates the output capacity of magnet controlled reactor to be tested.
Controlled Reactor is in series by two dry-type air-core reactors, and the capacity of two dry-type air-core reactors is identical, and thyristor controlled series compensation is connected between two dry-type air-core reactors, and control device controls thyristor controlled series compensation and changes the trigger angle of thyristor controlled series compensation.
Embodiment 1: a kind of magnet controlled reactor carries test device entirely, capacitor installation frame 17(in FC filtering compensation branch road is see accompanying drawing 2) be welded by channel-section steel, an installation frame is a phase, three-phase needs three installation frames, each installation frame is divided into three layers, and every one deck is combined by the Capacitor banks of three groups of different capabilities.Installation frame between layers by insulator 10 support and connection.One group capacitor group of same layer is inner in parallel by short flexible connecting line by two capacitors, is formed in parallel, is in series between the Capacitor banks between different layers by long flexible connecting line between three group capacitor groups of same layer by short flexible connecting line.Capacitor banks front end is in series with isolating switch 9, and Capacitor banks rear end is in series with reactor 7.Therefore a framework constitutes QC1 first group capacitor group, QC2 second group capacitor group and QC3 the 3rd group capacitor group.All the other structures connect according to above-mentioned principle.Magnet controlled reactor to be tested is connected on magnet controlled reactor controller, first carry out the process of pressure regulation transformation according to the electric pressure of magnet controlled reactor to be tested, then the connected mode of varying capacitors, re-start serial or parallel connection, regulate perceptual idle output and capacitive reactive power to export and make magnet controlled reactor to be tested be in complete year state, so the output of test magnet controlled reactor.
Embodiment 2: a kind of magnet controlled reactor carries test device entirely, the capacitor installation frame 17 in FC filtering compensation branch road is divided into three layers (see accompanying drawing 3 accompanying drawing 4 accompanying drawings 5), and supported by insulator 10 between layers, top layer is connected with top layer copper bar 12.Every one deck is provided with four Capacitor banks in parallel, and each Capacitor banks is in parallel by four capacitors 16.Capacitor lead-in line row 14 and capacitor outlet row 13 is connected with between capacitor in same Capacitor banks, fixed by capacitor fixing clamper 15 after capacitor lead-in line row is connected with capacitor, fixed by capacitor fixing clamper 15 after capacitor outlet row is connected with capacitor.Connected by long flexible connecting line between Capacitor banks between layers.Each capacitor carries out switching by isolating switch, and isolating switch adopts spray-by-type fuse 21.A phase capacitor connects the Capacitor banks that row 18 connects upper strata, and B phase capacitor connects the Capacitor banks that row 19 connects middle level, and C phase capacitor connects the Capacitor banks that row connects lower floor.All the other structures connect according to described principle.Magnet controlled reactor to be tested is connected on magnet controlled reactor controller, first carry out the process of pressure regulation transformation according to the electric pressure of magnet controlled reactor to be tested, then the connected mode of varying capacitors, enter the capacitor of test by Circuit Breaker Switching selection and re-start serial or parallel connection, regulate perceptual idle output and capacitive reactive power to export and make magnet controlled reactor to be tested be in complete year state, so the output of test magnet controlled reactor.
Above-described embodiment is several preferred version of the present invention, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.

Claims (10)

1. a magnet controlled reactor carries test device entirely, comprise the reactor test branch road connecting magnet controlled reactor, the FC filtering compensation branch road that characterized by further comprising thyristor-controlled reactor type branch road, be in parallel with thyristor-controlled reactor type branch road, FC filtering compensation branch road and reactor are tested branch road and are in parallel, and thyristor-controlled reactor type branch road is connected with potential device; The thyristor controlled series compensation that thyristor-controlled reactor type branch road comprises Controlled Reactor, connect with Controlled Reactor and the control device be connected with thyristor controlled series compensation; The reactor that FC filtering compensation branch road comprises capacitor installation frame, is arranged on the Capacitor banks in installation frame and connects with Capacitor banks, Capacitor banks is that some capacitors are connected by flexible connecting line and/or are formed in parallel.
2. magnet controlled reactor according to claim 1 carries test device entirely, it is characterized in that transformer equipment comprises low-pressure adjusting depressor and adjustable transformer, and the output terminal of low-pressure adjusting depressor is directly connected with the input end of adjustable transformer.
3. magnet controlled reactor according to claim 1 carries test device entirely, it is characterized in that Controlled Reactor is in series by two dry-type air-core reactors, the capacity of two dry-type air-core reactors is identical, thyristor controlled series compensation is connected between two dry-type air-core reactors, and control device controls thyristor controlled series compensation and changes the trigger angle of thyristor controlled series compensation.
4. magnet controlled reactor according to claim 1 carries test device entirely, it is characterized in that the reactor in FC filtering compensation branch road is single-phase dry type iron core series reactor, and single-phase dry type iron core series reactor adopts DMD insulating paper as layer insulation.
5. the magnet controlled reactor according to claim 1 or 2 or 3 or 4 carries test device entirely, it is characterized in that the installation frame of capacitor is the hierarchy be spliced by angle steel or channel-section steel, the Capacitor banks of every one deck forms an independently capacitor unit, the high-tension insulator of employing between layers of installation frame supports, Capacitor banks is between layers connected by flexible connecting line, and a multilayer installation frame forms a phase.
6. magnet controlled reactor according to claim 5 carries test device entirely, and it is characterized in that the installation frame of each phase is three layers, every one deck is combined by the Capacitor banks of three groups of different capabilities.
7. magnet controlled reactor according to claim 5 carries test device entirely, it is characterized in that flexible connecting line is divided into short flexible connecting line and long flexible connecting line, its short-and-medium flexible connecting line is used for connecting with layer capacitor, and wherein long flexible connecting line is used for the connection of interlaminar capacitor group.
8. magnet controlled reactor according to claim 7 carries test device entirely, it is characterized in that flexible connecting line adopts plying copper cash or copper bar or copper braid over braid, is connected and is fixed by capacitor fixing clamper between flexible connecting line with capacitor.
9. the magnet controlled reactor according to claim 1 or 2 or 3 or 4 carries test device entirely, adopts to be fixedly connected with or disconnector is connected or isolating switch connection between the capacitor that it is characterized in that Capacitor banks inside and between Capacitor banks with Capacitor banks.
10. the magnet controlled reactor according to claim 1 or 2 or 3 or 4 carries test device entirely, it is characterized in that the test branch road of magnet controlled reactor comprises a magnet controlled reactor controller, magnet controlled reactor controller is connected with magnet controlled reactor to be tested and regulates the output capacity of magnet controlled reactor to be tested.
CN201210245943.1A 2012-07-17 2012-07-17 Full-load testing device for magnetically controlled reactors Active CN102818949B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178766A (en) * 2013-04-20 2013-06-26 江苏华峰电器控制设备有限公司 Novel single-phase magnetically controlled reactor
CN104730400B (en) * 2015-04-10 2017-06-27 中国舰船研究设计中心 Impedance simulation device and EMI passive filter test systems
CN110865216A (en) * 2019-12-04 2020-03-06 国网青海省电力公司电力科学研究院 Trap device for no-load test of +/-800 kV power transmission and transformation main equipment

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CN101639505A (en) * 2009-08-31 2010-02-03 青岛恒顺电器有限公司 Test method of magnetically controlled reactor
CN102121957A (en) * 2010-12-25 2011-07-13 山东新风光电子科技发展有限公司 Performance testing system of large-capacity reactive power dynamic compensating device
CN102262193A (en) * 2011-06-13 2011-11-30 深圳市普联技术有限公司 Circuit and method for testing capacitive load
CN202676834U (en) * 2012-07-17 2013-01-16 杭州银湖电气设备有限公司 Device for full load test of magnetically controlled reactor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101639505A (en) * 2009-08-31 2010-02-03 青岛恒顺电器有限公司 Test method of magnetically controlled reactor
CN102121957A (en) * 2010-12-25 2011-07-13 山东新风光电子科技发展有限公司 Performance testing system of large-capacity reactive power dynamic compensating device
CN102262193A (en) * 2011-06-13 2011-11-30 深圳市普联技术有限公司 Circuit and method for testing capacitive load
CN202676834U (en) * 2012-07-17 2013-01-16 杭州银湖电气设备有限公司 Device for full load test of magnetically controlled reactor

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