CN105811436A - Intelligent capacitor device realizing pre-damage exit and working method thereof - Google Patents
Intelligent capacitor device realizing pre-damage exit and working method thereof Download PDFInfo
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- CN105811436A CN105811436A CN201610358093.4A CN201610358093A CN105811436A CN 105811436 A CN105811436 A CN 105811436A CN 201610358093 A CN201610358093 A CN 201610358093A CN 105811436 A CN105811436 A CN 105811436A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1807—Arrangements for adjusting, eliminating or compensating reactive power in networks using series compensators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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Abstract
The invention relates to the technical field of power systems and discloses an intelligent capacitor device which is used for low-voltage reactive compensation equipment in a power system and realizes pre-damage exit and a working method thereof. The intelligent capacitor device comprises a capacitor (C1), a switch (QK1), an electric reactor (L1), a current inductor (TA1), a voltage inductor (TV1), an A/D converter, a microprocessor and a storer. Whether the capacitor is in a damage approaching state or not can be judged according to a loss tangent value acquired by calculation, and on or off of a line in series connection with the capacitor can be controlled according to judgment results, so that when the capacitor is close to being damaged, the capacitor can break away from a main circuit, and working risk of the capacitor is lowered effectively. In addition, the intelligent capacitor device has the advantages of high practicability, reliable movement, simple structure and low cost and is convenient for actual popularization and use.
Description
Technical field
The present invention relates to technical field of power systems, in particular it relates to a kind of in power system used in low-pressure reactive compensation equipment and realize damage the Intelligent capacitor device exited and method of work thereof in advance.
Background technology
Capacitor used in low-pressure reactive compensation equipment in power system, it is typically with macromolecular compound as dielectric, it is exactly that easily aging (reason that condenser dielectric is aging has a lot owing to macromolecular compound exists common disadvantage, including production technology and environment etc.), after media ages, capacitor will be in dangerous running status, it is likely at any time damage, so the work of whole low-pressure reactive compensation equipment will be brought adverse effect, time serious, even can burn other device in low-pressure reactive compensation equipment.
For the problem that capacitor is easily aging, the capacitor manufacturer having at present solves this problem by burying temperature and resistance underground at capacitor internal, but in actual applications, the absolute foundation that the temperature rising of capacitor can not damage as capacitor, can only allow capacitor be continuing with after temperature lowers.Such this measure will make capacitor continue to work when fast damage, not only can affect the effect of the hoisting power factor that whole low-pressure reactive compensation equipment plays, capacitor also can be made to work under more dangerous situation, increase adverse effect when damaging.Therefore how realizing when capacitor closes on damage, allowing capacitor depart from main circuit is problem in the urgent need to address at present.
Summary of the invention
For aforementioned existing capacitor Problems existing, the invention provides and a kind of realize damaging in advance the Intelligent capacitor device exited and method of work thereof, can judge whether capacitor is according to calculated loss tangent value to close on damage and change state, and disconnection or the Guan Bi of capacitor series circuit is controlled according to judged result, such that it is able to realize when capacitor closes on damage, allow capacitor depart from main circuit, effectively reduce the work risk of capacitor.Additionally, described Intelligent capacitor device also has practical, move reliable, simple in construction and low cost and other advantages, it is simple to actual popularization and use.
The technical solution used in the present invention, providing a kind of realization damages the Intelligent capacitor device exited in advance on the one hand, including capacitor, fling-cut switch, reactor, current transformer, voltage transformer, A/D converter, microprocessor and memorizer；Described capacitor, described fling-cut switch and the series connection of described reactor, the primary side of described current transformer and the primary side of described voltage transformer are connected to one end of described reactor and close described capacitor, the secondary side of described current transformer and the secondary side of described voltage transformer connect the input of described A/D converter respectively, described A/D converter outfan connects described microprocessor, described microprocessor connects described memorizer, and the control output end of described microprocessor connects the controlled end of described fling-cut switch simultaneously.
Optimizing, described realization is damaged in advance and is changed the Intelligent capacitor device exited and also include connecting respectively the combination in any of any one or they in the temperature sensor of described microprocessor, work indicating module and wireless transceiver.Optimizing further, described work indicating module includes audible-visual annunciator and/or LED light.Described wireless transceiver is the combination in any of any one or they in WiFi wireless transceiver, bluetooth wireless transceiver and ZigBee wireless transceiver.
Optimizing, described realization damages the chopper that the Intelligent capacitor device exited also includes connecting with described capacitor in advance.
Optimizing, described fling-cut switch is any one in A.C. contactor, reverse-blocking tetrode thyristor, combination switch and phase-selecting switch.Optimizing further, described combination switch is the parallel circuit structure being made up of bidirectional triode thyristor and catalyst, and wherein, the pole that controls of described bidirectional triode thyristor is the controlled end of described fling-cut switch.
Optimizing, described capacitor is low voltage power capacitor.
The technical solution used in the present invention, providing a kind of aforementioned realization damages the method for work of the Intelligent capacitor device exited in advance on the other hand, comprise the steps: that S101. passes through the instant current signal of current transformer collection, simultaneously by the instant voltage signal of voltage transformer collection；S102. respectively described instant current signal and described instant voltage signal are carried out analog digital conversion by A/D converter, obtain the instant current information of digitized and the instant information of voltage of digitized of correspondence；S103. microprocessor calculates instant active-power P and instant reactive power Q according to the instant current information of described digitized and the instant information of voltage of digitized, then calculates instant loss tangent value tand=P/Q；S104. whether instant loss tangent value tand described in microprocessor judges is less than the first loss tolerance value, if it is determined that when described instant loss tangent value tand is not less than described first loss tolerance value, then send switching cut-off signal at output control terminal to fling-cut switch；S105. fling-cut switch disconnects series circuit according to described switching cut-off signal.
Optimize, when described realization damage in advance the Intelligent capacitor device exited include temperature sensor time, after step S105, also comprise the steps: that S106. obtains instant ambient temperature value by described temperature sensor, then described in microprocessor judges instant ambient temperature value whether lower than first environment temperature value, if it is determined that described instant ambient temperature value lower than described first environment temperature value and described instant loss tangent value tand less than described first loss tolerance value time, then send switching closure signal at output control terminal to fling-cut switch；S107. fling-cut switch closes series circuit according to described switching closure signal.
To sum up, adopt and provided by the present invention a kind of realize damaging in advance the Intelligent capacitor device exited and method of work thereof, have the advantages that according to calculated loss tangent value, (1) can judge whether capacitor is in and close on damage and change state, and disconnection or the Guan Bi of capacitor series circuit is controlled according to judged result, such that it is able to realize when capacitor closes on damage, allow capacitor depart from main circuit, effectively reduce the work risk of capacitor；(2) can when ambient temperature be too high, allow capacitor depart from main circuit temporarily, and make capacitor again access main circuit after ambient temperature is normal, so can evade the too high adverse effect that condenser dielectric is aging of ambient temperature, extend the service life of capacitor, take into account variation of ambient temperature simultaneously and electric capacity has been had the impact of work value, it is possible to provide the judgment accuracy to the distress condition of capacitor；(3) current duty can be indicated in real time, and alarm signal can be sent when judgement capacitor is in and closes on distress condition, so can report situations to attendant in time, strengthen practicality；(4) by adopting the parallel circuit structure being made up of bidirectional triode thyristor and catalyst as fling-cut switch, it is possible in time capacitor series circuit is turned off or closes, ensure the reliability service of described Intelligent capacitor device；(5) described Intelligent capacitor device also has simple in construction low cost and other advantages, it is simple to actual popularization and use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the electrical block diagram that realization provided by the invention damages the Intelligent capacitor device exited in advance.
Fig. 2 is the method for work flow chart that realization provided by the invention damages the Intelligent capacitor device exited in advance.
Detailed description of the invention
Hereinafter with reference to accompanying drawing, describe realization provided by the invention in detail by way of example and damage the Intelligent capacitor device and method of work thereof that exit in advance.At this it should be noted that be adapted to assist in for the explanation of these way of example and understand the present invention, but it is not intended that limitation of the invention.
Various technology described herein may be used for but is not limited to technical field of power systems, it is also possible to for other similar field.
The terms "and/or", it it is only a kind of incidence relation describing affiliated partner, can there are three kinds of relations in expression, such as, A and/or B, it is possible to represent: individualism A, individualism B, there are three kinds of situations of A and B simultaneously, the terms "/and " it is describe another kind of affiliated partner relation, can there are two kinds of relations in expression, for instance, A/ and B, can represent: individualism A, two kinds of situations of individualism A and B, additionally, character "/" herein, typicallys represent forward-backward correlation to liking a kind of "or" relation.
Embodiment one
Fig. 1 illustrates that realization provided by the invention damages the electrical block diagram of the Intelligent capacitor device exited in advance, and Fig. 2 illustrates that realization provided by the invention damages the method for work flow chart of the Intelligent capacitor device exited in advance.The described realization that the present embodiment provides damages the Intelligent capacitor device exited in advance, including capacitor C1, fling-cut switch QK1, reactor L1, current transformer TA1, voltage transformer TV1, A/D converter, microprocessor and memorizer；Described capacitor C1, described fling-cut switch QK1 and described reactor L1 series connection, the primary side of described current transformer TA1 and the primary side of described voltage transformer TV1 be connected to described reactor L1's and near one end of described capacitor C1, the secondary side of described current transformer TA1 and the secondary side of described voltage transformer TV1 connect the input of described A/D converter respectively, described A/D converter outfan connects described microprocessor, described microprocessor connects described memorizer, the control output end of described microprocessor connects the controlled end of described fling-cut switch QK1 simultaneously.
If Fig. 1 is to shown in 2, in the circuit structure of described Intelligent capacitor device, described capacitor C1, described fling-cut switch QK1 and described reactor L1 are sequentially connected in series, and constitute a series circuit, and wherein, described capacitor C1 is for realizing the basic function of capacitor；Described fling-cut switch QK1 for disconnecting or closing described series circuit under the control of described microprocessor；Described reactor L1 is used for eliminating DC current；Described current transformer TA1 gathers the instant current signal (being alternating current analogue signal) in described series circuit for utilizing electromagnetic induction principle；Described voltage transformer TV1 gathers the instant voltage signal (being alternating voltage analogue signal) in described series circuit for utilizing electromagnetic induction principle；Described A/D converter, for described instant current signal and described instant voltage signal are carried out analog digital conversion, obtains the instant current information of digitized and the instant information of voltage of digitized of correspondence；Described microprocessor is for calculating instant active-power P and instant reactive power Q (can calculate acquisition respectively according to the phase contrast of both signals and amplitude) according to the instant current information of described digitized and the instant information of voltage of digitized, then instant loss tangent value tand=P/Q is calculated, subsequently judge whether capacitor is according to calculated loss tangent value to close on damage and change state, switching cut-off signal or switching closure signal is sent to described fling-cut switch QK1 finally according to judged result, and then control disconnection or the Guan Bi of capacitor series circuit, it can be, but not limited to the ARM chip adopting model to be STM32F103RCT6；Described memorizer is used for storing such as software program, setup parameter (such as the first loss tolerance value and first environment temperature value described later) and history gathers information digital information, and it can be, but not limited to the FLASH memory (i.e. flash memory) adopting model to be W25Q64.Additionally should include DC source, for providing electric energy support for described microprocessor, described A/D converter and described memorizer etc..
As in figure 2 it is shown, the method for work that described realization damages the Intelligent capacitor device exited in advance can be, but not limited to comprise the steps: that S101. passes through the instant current signal of current transformer collection, simultaneously by the instant voltage signal of voltage transformer collection；S102. respectively described instant current signal and described instant voltage signal are carried out analog digital conversion by A/D converter, obtain the instant current information of digitized and the instant information of voltage of digitized of correspondence；S103. microprocessor calculates instant active-power P and instant reactive power Q according to the instant current information of described digitized and the instant information of voltage of digitized, then calculates instant loss tangent value tand=P/Q；S104. whether instant loss tangent value tand described in microprocessor judges is less than the first loss tolerance value, if it is determined that when described instant loss tangent value tand is not less than described first loss tolerance value, then send switching cut-off signal at output control terminal to fling-cut switch；S105. fling-cut switch disconnects series circuit according to described switching cut-off signal.In step S104, described first loss tolerance value can be, but not limited to the maximum loss tolerance value for presetting or give tacit consent to, such as it is preset as 1%, when described instant loss tangent value tand is more than 1%, namely assert that described capacitor C1 is already at closing on distress condition, now control the disconnection of capacitor series circuit, allow capacitor depart from main circuit, realize pre-damage to exit such that it is able to effectively reduce the work risk of capacitor.Additionally, described Intelligent capacitor device also has practical, move reliable, simple in construction and low cost and other advantages, it is simple to actual popularization and use.
Optimizing, described realization is damaged in advance and is changed the Intelligent capacitor device exited and also include connecting respectively the combination in any of any one or they in the temperature sensor of described microprocessor, work indicating module and wireless transceiver.As it is shown in figure 1, described microprocessor can be made to obtain the instant ambient temperature value of described capacitor C1 local environment by described temperature sensor, in order to introduce the consideration to ambient temperature in the course of the work.Thus as shown in Figure 2, after step S105 can also but be not limited to comprise the steps: that S106. obtains instant ambient temperature value by described temperature sensor, then described in microprocessor judges instant ambient temperature value whether lower than first environment temperature value, if it is determined that described instant ambient temperature value lower than described first environment temperature value and described instant loss tangent value tand less than described first loss tolerance value time, then send switching closure signal at output control terminal to fling-cut switch；S107. fling-cut switch closes series circuit according to described switching closure signal.In step s 106, described first environment temperature value can be, but not limited to the room temperature value for presetting or give tacit consent to, for instance 30 degrees Celsius.Therefore by aforementioned operation mode, can when ambient temperature be too high, allow capacitor depart from main circuit (now can not make faiture alarm) temporarily, and make capacitor again access main circuit after ambient temperature is normal, so can evade the too high adverse effect that condenser dielectric is aging of ambient temperature, extending the service life of capacitor, taken into account variation of ambient temperature has the impact of work value simultaneously on electric capacity, it is possible to provide the judgment accuracy to the distress condition of capacitor.Additionally, described work indicating module is for indicating the duty of presently described Intelligent capacitor device in real time, in order to carrying out early warning, it can be, but not limited to include audible-visual annunciator and/or LED light；Described wireless transceiver transmits the work state information of presently described Intelligent capacitor device for long distance wireless, so that remote maintenance personnel grasp the duty of described Intelligent capacitor device, it can be, but not limited to as any one in WiFi wireless transceiver, bluetooth wireless transceiver and ZigBee wireless transceiver or their combination in any.Therefore can also indicate current duty in real time, and alarm signal can be sent when judgement capacitor is in and closes on distress condition, so can report situations to attendant in time, strengthen practicality.
Optimizing, described realization damages the Intelligent capacitor device exited in advance and also includes and the described capacitor C1 circuit breaker Q F1 connected.As it is shown in figure 1, described circuit breaker Q F1 be connected to described reactor L1's and away from one end of described capacitor C1, by described circuit breaker Q F1, it is also possible to disconnecting manually or close described series circuit, the personnel of maintaining easily safeguard.
Optimizing, described fling-cut switch QK1 can be, but not limited to as any one in A.C. contactor, reverse-blocking tetrode thyristor, combination switch and phase-selecting switch.As what optimize further, as it is shown in figure 1, in the present embodiment, described combination switch is the parallel circuit structure being made up of bidirectional triode thyristor T1 and catalyst KM1, and wherein, the pole that controls of described bidirectional triode thyristor T1 is the controlled end of described fling-cut switch QK1.Thus in time in conjunction with the advantage of controllable silicon and catalyst capacitor series circuit can be turned off or closes, ensure the reliability service of described Intelligent capacitor device.
Optimizing, described capacitor C1 is low voltage power capacitor.Can make described Intelligent capacitor device suitable in the power system device of below voltage 400V.
To sum up, the realization that the present embodiment provides damages the Intelligent capacitor device exited and method of work thereof in advance, have the advantages that according to calculated loss tangent value, (1) can judge whether capacitor is in and close on damage and change state, and disconnection or the Guan Bi of capacitor series circuit is controlled according to judged result, such that it is able to realize when capacitor closes on damage, allow capacitor depart from main circuit, effectively reduce the work risk of capacitor；(2) can when ambient temperature be too high, allow capacitor depart from main circuit temporarily, and make capacitor again access main circuit after ambient temperature is normal, so can evade the too high adverse effect that condenser dielectric is aging of ambient temperature, extend the service life of capacitor, take into account variation of ambient temperature simultaneously and electric capacity has been had the impact of work value, it is possible to provide the judgment accuracy to the distress condition of capacitor；(3) current duty can be indicated in real time, and alarm signal can be sent when judgement capacitor is in and closes on distress condition, so can report situations to attendant in time, strengthen practicality；(4) by adopting the parallel circuit structure being made up of bidirectional triode thyristor and catalyst as fling-cut switch, it is possible in time capacitor series circuit is turned off or closes, ensure the reliability service of described Intelligent capacitor device；(5) described Intelligent capacitor device also has simple in construction low cost and other advantages, it is simple to actual popularization and use.
As it has been described above, the present invention can be realized preferably.For a person skilled in the art, according to the teachings of the present invention, design multi-form realization and damage the Intelligent capacitor device exited in advance and method of work is not required to performing creative labour.Without departing from the principles and spirit of the present invention these embodiments are changed, revise, replace, integrate and modification still falls within protection scope of the present invention.
Claims (10)
1. a realization damages the Intelligent capacitor device exited in advance, it is characterized in that, including capacitor (C1), fling-cut switch (QK1), reactor (L1), current transformer (TA1), voltage transformer (TV1), A/D converter, microprocessor and memorizer；
Described capacitor (C1), described fling-cut switch (QK1) and described reactor (L1) series connection, the primary side of described current transformer (TA1) and the primary side of described voltage transformer (TV1) are connected to one end of described reactor (L1) and close described capacitor (C1), the secondary side of described current transformer (TA1) and the secondary side of described voltage transformer (TV1) connect the input of described A/D converter respectively, described A/D converter outfan connects described microprocessor, described microprocessor connects described memorizer, the control output end of described microprocessor connects the controlled end of described fling-cut switch (QK1) simultaneously.
2. a kind of realization as claimed in claim 1 damages the Intelligent capacitor device exited in advance, it is characterized in that, described realization is damaged in advance and is changed the Intelligent capacitor device exited and also include connecting respectively the combination in any of any one or they in the temperature sensor of described microprocessor, work indicating module and wireless transceiver.
3. a kind of realization as claimed in claim 2 damages the Intelligent capacitor device exited in advance, it is characterised in that described work indicating module includes audible-visual annunciator and/or LED light.
4. a kind of realization as claimed in claim 2 damages the Intelligent capacitor device exited in advance, it is characterised in that described wireless transceiver is the combination in any of any one or they in WiFi wireless transceiver, bluetooth wireless transceiver and ZigBee wireless transceiver.
5. a kind of realization as claimed in claim 1 damages the Intelligent capacitor device exited in advance, it is characterised in that described realization damages the chopper (QF1) that the Intelligent capacitor device exited also includes connecting with described capacitor (C1) in advance.
6. a kind of realization as claimed in claim 1 damages the Intelligent capacitor device exited in advance, it is characterised in that described fling-cut switch (QK1) is A.C. contactor, any one in reverse-blocking tetrode thyristor, combination switch and phase-selecting switch.
7. a kind of realization as claimed in claim 6 damages the Intelligent capacitor device exited in advance, it is characterized in that, described combination switch is the parallel circuit structure being made up of bidirectional triode thyristor (T1) and catalyst (KM1), wherein, the control pole of described bidirectional triode thyristor (T1) is the controlled end of described fling-cut switch (QK1).
8. a kind of realization as claimed in claim 1 damages the Intelligent capacitor device exited in advance, it is characterised in that described capacitor (C1) is low voltage power capacitor.
9. the method for work realizing damaging the Intelligent capacitor device exited in advance as described in claim 1 to 8 any one, it is characterised in that comprise the steps:
S101. by the instant current signal of current transformer collection, simultaneously by the instant voltage signal of voltage transformer collection；
S102. respectively described instant current signal and described instant voltage signal are carried out analog digital conversion by A/D converter, obtain the instant current information of digitized and the instant information of voltage of digitized of correspondence；
S103. microprocessor calculates instant active-power P and instant reactive power Q according to the instant current information of described digitized and the instant information of voltage of digitized, then calculates instant loss tangent value tand=P/Q；
S104. whether instant loss tangent value tand described in microprocessor judges is less than the first loss tolerance value, if it is determined that when described instant loss tangent value tand is not less than described first loss tolerance value, then send switching cut-off signal at output control terminal to fling-cut switch；
S105. fling-cut switch disconnects series circuit according to described switching cut-off signal.
10. a kind of method of work realizing damaging the Intelligent capacitor device exited in advance as claimed in claim 9, it is characterised in that when described realization damage in advance the Intelligent capacitor device exited include temperature sensor time, also comprise the steps: after step S105
S106. instant ambient temperature value is obtained by described temperature sensor, then described in microprocessor judges instant ambient temperature value whether lower than first environment temperature value, if it is determined that described instant ambient temperature value lower than described first environment temperature value and described instant loss tangent value tand less than described first loss tolerance value time, then send switching closure signal at output control terminal to fling-cut switch；
S107. fling-cut switch closes series circuit according to described switching closure signal.
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| CN201610358093.4A CN105811436B (en) | 2016-05-26 | 2016-05-26 | A kind of realize damages the intelligent capacitor device exited and its working method in advance |
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| CN201610358093.4A CN105811436B (en) | 2016-05-26 | 2016-05-26 | A kind of realize damages the intelligent capacitor device exited and its working method in advance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108649588A (en) * | 2018-06-25 | 2018-10-12 | 湖北工业大学 | A kind of communication-type intelligent powerless compensation comprehensive treatment device |
| CN109375032A (en) * | 2018-09-15 | 2019-02-22 | 宁波高云电气有限公司 | A kind of management system of high-power high-capacity capacitor |
| CN109802400A (en) * | 2019-01-29 | 2019-05-24 | 宁波大家小家网络科技有限公司 | A kind of method and system of the data analysis and process of low-pressure reactive compensation system |
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| JP2000259268A (en) * | 1999-03-10 | 2000-09-22 | Matsushita Electric Ind Co Ltd | Device for compensating static reactive power |
| CN101364737A (en) * | 2007-08-08 | 2009-02-11 | 陈劲游 | Method capable of on-line detecting and controlling reactive compensating capacitor and reactive compensating controller thereof |
| CN205791549U (en) * | 2016-05-26 | 2016-12-07 | 成都星宇节能技术股份有限公司 | A kind of realization damages the Intelligent capacitor device exited in advance |
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Patent Citations (3)
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| JP2000259268A (en) * | 1999-03-10 | 2000-09-22 | Matsushita Electric Ind Co Ltd | Device for compensating static reactive power |
| CN101364737A (en) * | 2007-08-08 | 2009-02-11 | 陈劲游 | Method capable of on-line detecting and controlling reactive compensating capacitor and reactive compensating controller thereof |
| CN205791549U (en) * | 2016-05-26 | 2016-12-07 | 成都星宇节能技术股份有限公司 | A kind of realization damages the Intelligent capacitor device exited in advance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108649588A (en) * | 2018-06-25 | 2018-10-12 | 湖北工业大学 | A kind of communication-type intelligent powerless compensation comprehensive treatment device |
| CN109375032A (en) * | 2018-09-15 | 2019-02-22 | 宁波高云电气有限公司 | A kind of management system of high-power high-capacity capacitor |
| CN109375032B (en) * | 2018-09-15 | 2021-04-30 | 宁波高云电气有限公司 | Management system of high-power large-capacity capacitor |
| CN109802400A (en) * | 2019-01-29 | 2019-05-24 | 宁波大家小家网络科技有限公司 | A kind of method and system of the data analysis and process of low-pressure reactive compensation system |
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| CN105811436B (en) | 2018-10-30 |
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Address after: 610000 International Exhibition Trade Center, 2, Pioneer Road, hi tech Zone, Sichuan, Chengdu, 7F Patentee after: Chengdu Xingyu Rongke Power Electronics Co.,Ltd. Address before: 610000 International Exhibition Trade Center, 2, Pioneer Road, hi tech Zone, Sichuan, Chengdu, 7F Patentee before: CHENGDU XINGYU ENERGY-SAVING TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20181030 |