CN104124697A - Reactive automatic compensation system - Google Patents
Reactive automatic compensation system Download PDFInfo
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- CN104124697A CN104124697A CN201410395291.9A CN201410395291A CN104124697A CN 104124697 A CN104124697 A CN 104124697A CN 201410395291 A CN201410395291 A CN 201410395291A CN 104124697 A CN104124697 A CN 104124697A
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- 239000003990 capacitor Substances 0.000 claims abstract description 59
- 230000002441 reversible effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
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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 application provides a reactive automatic compensation system. The reactive automatic compensation system comprises a controller, an on-load tap-changing transformer and a compensation device, wherein the controller is used for acquiring the voltage and current parameters of the high-voltage bus of a power grid, and calculating the electrical parameters of the high-voltage bus according to the voltage and current parameters; the on-load tap-changing transformer is used for adjusting the voltage and the reactive power of the power grid according to the electrical parameters of the high-voltage bus; the compensation device is used for providing compensation for the power grid according to the adjustment voltage of the on-load tap-changing transformer. With the adoption of the reactive automatic compensation system, the voltage and current parameters of the high-voltage bus are calculated to obtain the electrical parameters of the high-voltage bus, and then a main transformer tap switch is adjusted according to the electrical parameters, so as to adjust the voltage and the reactive power in the power grid, and compensate the power grid; switch switching and capacitor grouping are omitted, a switching surge current is avoided, and the service lives of capacitors are prolonged; as a whole, the losses of a power transmission line and a transformer are reduced, power supply efficiency is increased, and power supply environment is improved.
Description
Technical field
The invention belongs to field of electrical equipment, relate in particular to a kind of imaginary power automatic compensation system.
Background technology
Along with the development of national economy, electric power networks load sharply increases, and the compensation of power system reactive power is required also to grow with each passing day.
In prior art, generally adopt fixed capacitor to realize reactive power compensation by switching circuit breaker mode.But, switching can cause damage to electric equipment frequently, in the switching process of fixed capacitor group, can produce tens times with the switching surge current of rated current, when switching, can cause inevitable switching overvoltage to capacitor, capacitor is reduced useful life greatly.
Summary of the invention
In view of this, the application's object is to provide a kind of imaginary power automatic compensation system, can avoid the capacitor causing due to frequent switching circuit breaker to damage, the safety of protection power equipment.
A kind of imaginary power automatic compensation system, comprising: controller, on-load tap-changing transformer and compensation arrangement;
Wherein, described controller, for obtaining the voltage and current parameter of electrical network high voltage bus, and the described voltage and current parameter of foundation calculates the electric parameter of described high voltage bus;
The on-load tap-changing transformer being connected with described controller, for voltage and the reactive power of the electric parameter adjusting electrical network according to described high voltage bus;
The compensation arrangement being connected with described on-load tap-changing transformer, affords redress to electrical network for the regulation voltage according to on-load tap-changing transformer.
Above-mentioned system, preferably, described system also comprises reversible electric machine, main transformer shunting switch, and described reversible electric machine is connected with main transformer shunting switch with on-load tap-changing transformer respectively, described main transformer shunting switch is connected with electrical network, described on-load tap-changing transformer specifically for:
Output control signals to described reversible electric machine, described control signal is used to indicate described reversible electric machine and regulates described main transformer shunting switch.
Above-mentioned system, preferred, also comprise:
Oil-filtering apparatus, filters for the insulating oil that described main transformer shunting switch is used in the time that pressure regulation is shifted gears.
Above-mentioned system, preferred, compensation arrangement comprises: capacitor and inductor, described compensation arrangement specifically for:
Described capacitor is connected with described on-load tap-changing transformer respectively with inductor, receives the regulation voltage of described on-load tap-changing transformer, and according to described regulation voltage, electrical network is afforded redress.
Above-mentioned system, preferred, in the time being provided with controlled safety door lock in electric power networks equipment, described compensation arrangement also comprises: primary coil, secondary coil and device latchup device;
Wherein, described primary coil is described capacitor power supply;
Described secondary coil is connected with described controller with described secondary coil respectively, in the time that described capacitor discharge is detected, exports described capacitor discharge detection signal to described controller;
Described device latchup device is connected with described controller, for when described controller judge described discharge examination signal meet preset without the signal of telecommunication condition time, receive the safety signal that described controller sends, and open according to this safety signal control controlled safety door lock.
Above-mentioned system, preferred, described compensation arrangement also comprises:
The fuse being connected with inductor with described capacitor respectively, for fusing in the time that the current value of described capacitor and/or inductor is greater than preset value.
Above-mentioned system, preferred, also comprise:
The warning device being connected with described fuse, for when the described fuse blows, generates warning message, and points out staff.
Above-mentioned system, preferred, described warning device comprises:
Detection module, for detection of the state information of described fuse;
Signal generation module, in the time that described state information meets fusing condition, generates warning message;
Reminding module, for the described alarm message reminding staff of foundation.
Above-mentioned system, preferred, reminding module prompting staff's mode comprises: short message notification, screen display notice and/or prompt tone prompting.
Above-mentioned system, preferred, described controller is voltage-regulation and idle compensating control ZVQC.
Known via above-mentioned technical scheme, compared with prior art, the invention provides a kind of imaginary power automatic compensation system, comprising: controller, on-load tap-changing transformer and compensation arrangement; Wherein, controller, for obtaining the voltage and current parameter of electrical network high voltage bus, and the described voltage and current parameter of foundation calculates the electric parameter of described high voltage bus; On-load tap-changing transformer is connected with described controller, regulates voltage and the reactive power of electrical network for the electric parameter according to described high voltage bus; Compensation arrangement is connected with described on-load tap-changing transformer, for the regulation voltage according to on-load tap-changing transformer, electrical network is afforded redress.Adopt this imaginary power automatic compensation system, can calculate to the voltage and current parameter of high voltage bus the electric parameter of this high voltage bus, and then according to this electric parameter, main transformer shunting switch is regulated, to regulate voltage and the reactive power in electrical network, and electrical network is compensated.Save fling-cut switch and electric capacity grouping, avoided switching surge current, improved the useful life of capacitor, on the whole, reduced the loss of transmission line and transformer, improved power supplying efficiency, improved power supply environment.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is the structural representation of a kind of imaginary power automatic compensation system embodiment 1 of providing of the application;
Fig. 2 is the structural representation of a kind of imaginary power automatic compensation system embodiment 2 of providing of the application;
Fig. 3 is the structural representation of a kind of imaginary power automatic compensation system embodiment 3 of providing of the application;
Fig. 4 is the structural representation of a kind of imaginary power automatic compensation system embodiment 4 of providing of the application;
Fig. 5 is the structural representation of warning device in a kind of imaginary power automatic compensation system embodiment 4 of providing of the application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As Fig. 1 shows the structural representation of a kind of imaginary power automatic compensation system embodiment 1 that the application provides, comprising: controller 101, on-load tap-changing transformer 102 and compensation arrangement 103;
In figure, heavy line represents electrical network high voltage bus, and in figure, thick dashed line represents the grid line of compensation.
Wherein, described controller 101, for obtaining the voltage and current parameter of electrical network high voltage bus, and the described voltage and current parameter of foundation calculates the electric parameter of described high voltage bus;
Concrete, electrical network high voltage bus place arranges instrument transformer, this instrument transformer is sampled to the voltage and current parameter of high voltage bus, and controller 101 obtains the voltage and current parameter of this high voltage bus from instrument transformer, and then calculates the electric parameter of this high voltage bus according to this voltage and current parameter.
Wherein, this voltage and current parameter comprises: the parameters such as magnitude of voltage, current value.
Wherein, the electric parameter of this high voltage bus comprises the relevant electric parameters such as active power, reactive power and power factor.
On-load tap-changing transformer 102, for voltage and the reactive power of the electric parameter adjusting electrical network according to described high voltage bus;
Wherein, this on-load tap-changing transformer 102 is connected with described controller 101.
Wherein, this on-load tap-changing transformer is according to the electric parameter of this high voltage bus, as voltage and the reactive power to electrical network such as active power, reactive power and power factor regulates.
For example, this power factor is an important technical data of electric power system.Power factor is to weigh a coefficient of electric equipment efficiency.Power factor is low, illustrates that circuit is large for the reactive power of alternating magnetic field conversion, has increased line powering loss.
Concrete, the reactive power of reduction electrical network, improves power factor.
Compensation arrangement 103, is connected with described on-load tap-changing transformer 102, for electrical network being afforded redress according to the regulation voltage of on-load tap-changing transformer 102.
Wherein, this compensation arrangement 103 is connected with on-load tap-changing transformer 102.
Concrete, the regulation voltage that compensation arrangement 103 regulates the voltage of electrical network according to this on-load tap-changing transformer, compensates electrical network, so that its reactive power reduces, improves power factor.
In concrete enforcement, this controller can adopt ZVQC (voltage-regulation and idle compensating control).
To sum up, the present embodiment provides a kind of imaginary power automatic compensation system, comprising: controller, on-load tap-changing transformer and compensation arrangement; Wherein, controller, for obtaining the voltage and current parameter of electrical network high voltage bus, and the described voltage and current parameter of foundation calculates the electric parameter of described high voltage bus; On-load tap-changing transformer is connected with described controller, regulates voltage and the reactive power of electrical network for the electric parameter according to described high voltage bus; Compensation arrangement is connected with described on-load tap-changing transformer, for the regulation voltage according to on-load tap-changing transformer, electrical network is afforded redress.Adopt this imaginary power automatic compensation system, can calculate to the voltage and current parameter of high voltage bus the electric parameter of this high voltage bus, and then according to this electric parameter, main transformer shunting switch is regulated, to regulate voltage and the reactive power in electrical network, and electrical network is compensated, real-time tracing power factor of electric network, auto-compensation is idle.Save fling-cut switch and electric capacity grouping, avoided switching surge current, improved the useful life of capacitor, on the whole, reduced the loss of transmission line and transformer, improved power supplying efficiency, improved power supply environment.
The structural representation of a kind of imaginary power automatic compensation system embodiment 2 that the application as shown in Figure 2 improves, this system comprises: controller 201, on-load tap-changing transformer 202, compensation arrangement 203, reversible electric machine 204 and main transformer shunting switch 205.
In figure, heavy line represents electrical network high voltage bus, and in figure, thick dashed line represents the grid line of compensation.
Wherein, the function of controller 201, compensation arrangement 203 is consistent with corresponding construction in embodiment 1, and the present embodiment repeats no more.
Wherein, described reversible electric machine 204 is connected with main transformer shunting switch 205 with on-load tap-changing transformer 202 respectively, described main transformer shunting switch 205 is connected with electrical network, this on-load tap-changing transformer 202 specifically for: output control signals to described reversible electric machine 204, described control signal is used to indicate described reversible electric machine 204 and regulates main transformer shunting switch 205.
Wherein, this main transformer shunting switch 205 can be by shifting gears and adjusting opening and closing state and realize the voltage that regulates electrical network.
It should be noted that, main transformer shunting switch 205 is original structural device in power distribution station, this main transformer shunting switch can be used as the equipment in power supply network, also can be used as the part in imaginary power automatic compensation system, in actual enforcement, the annexation of this main transformer shunting switch is done to certain adjustment.
Wherein, main transformer shunting switch also can receive the control of controller, so that voltage and the reactive power of the collaborative on-load tap-changing transformer of this main transformer shunting switch to electrical network adjusted.
Wherein, this main transformer extension set switch can adopt uninterrupted shift switch.
It should be noted that, after reversible electric machine reception control signal, realize synchronous phase modulation, so that its reactive power and voltage to electrical network is adjusted.
In concrete enforcement, this imaginary power automatic compensation system is also provided with oil-filtering apparatus, filter for the insulating oil that described main transformer shunting switch is used in the time that pressure regulation is shifted gears, the free carbon and the metal particle that produce when pressure regulation is shifted gears filter, improve the resistance to electrical breakdown of insulating oil and the safety and stability of switch, the security performance of raising equipment, the minimizing staff's of transformer station workload and labour intensity.
To sum up, the present embodiment provides a kind of imaginary power automatic compensation system, also comprise: reversible electric machine and main transformer shunting switch, on-load tap-changing transformer specifically for: output control signals to described reversible electric machine, described control signal is used to indicate described reversible electric machine and regulates described main transformer shunting switch, and main transformer shunting switch can be by shifting gears and adjusting opening and closing state and realize the voltage that regulates electrical network.
The structural representation of a kind of imaginary power automatic compensation system embodiment 3 that the application as shown in Figure 3 improves, this system comprises: controller 301, on-load tap-changing transformer 302 and compensation arrangement 303.
In figure, heavy line represents electrical network high voltage bus, and in figure, thick dashed line represents the grid line of compensation.
Wherein, the function of controller 301, on-load tap-changing transformer 302 is consistent with corresponding construction in embodiment 1, and the present embodiment repeats no more.
Wherein, compensation arrangement 303 comprises: capacitor 304 and inductor 305, described compensation arrangement specifically for: described capacitor and inductor receive the regulation voltage of described on-load tap-changing transformer, and electrical network are afforded redress according to described regulation voltage.
Wherein, about compensating power formula:
Q＝U
2/Q
C
Wherein, Q represents reactive power, and U represents electric capacity both end voltage, Q
crepresent capacity reactance.
According to this formula, change the anode-cathode voltage of capacitor and/or reactor by on-load tap-changing transformer, thereby change idle output capacity, improve successively the reactive power that self compensating system provides.
Concrete, on-load tap-changing transformer is this capacitor and inductor power supply, and what power supply adopted is its voltage that electrical network is regulated, and capacitor and inductor afford redress to electrical network.
It should be noted that, this capacitor and inductor are the original fixed compensation capacitor device in power station and relevant device thereof, and the original fixed compensation capacitor device in this power station is not processed, and install voltage-regulation additional, realize automatic compensation function.
In concrete enforcement, adopt capacitor low-voltage to close a floodgate, effectively reduce the impact of capacitor inrush phenomenon to system and capacitor itself, and capacitor is worked under lower voltage, useful life is longer, reduces maintenance cost and workload.In pressure regulation process, capacitor does not depart from electrical network, without discharging and recharging time delay, has heightened the tracking velocity of reactive power compensation.
Further, for ensureing the safety of electric power networks equipment, in the time being provided with controlled safety door lock in electric power networks equipment, described compensation arrangement also comprises: primary coil, secondary coil and device latchup device;
Wherein, described primary coil, is used to described capacitor power supply; Described secondary coil is connected with described controller with described secondary coil respectively, in the time that described capacitor discharge is detected, exports described capacitor discharge detection signal to described controller; Described device latchup device is connected with described controller, for when described controller judge described discharge examination signal meet preset without the signal of telecommunication condition time, receive the safety signal that described controller sends, and open according to this safety signal control controlled safety door lock.
In the time of Maintenance and Repair, for guaranteeing staff's safety, need to ensure in electric power networks equipment without the signal of telecommunication, to discharging capacitors, secondary coil exports controller to the discharge examination signal that detects this capacitor and obtain, so that this controller judges the electric weight of storing in capacitor, when this discharge examination signal meets default during without signal of telecommunication condition, controller sends safety signal to this device latchup device, this device latchup device receives after this safety signal, control controlled safety door lock is opened, and allows staff to enter Maintenance and Repair.
To sum up, the compensation arrangement of a kind of imaginary power automatic compensation system that the present embodiment provides comprises: capacitor and inductor, this compensation arrangement specifically for: described capacitor and inductor receive the regulation voltage of described on-load tap-changing transformer, and electrical network are afforded redress according to described regulation voltage.This capacitor and inductor are the original fixed compensation capacitor device in power station and relevant device thereof, and the original fixed compensation capacitor device in this power station is not processed, and install voltage-regulation additional, realize automatic compensation function, little to existing equipment change, easily realize.
The structural representation of a kind of imaginary power automatic compensation system embodiment 4 that the application as shown in Figure 4 improves, this system comprises: controller 401, on-load tap-changing transformer 402, compensation arrangement 403 and warning device 404.
In figure, heavy line represents electrical network high voltage bus, and in figure, thick dashed line represents the grid line of compensation.
Wherein, the function of controller 401, on-load tap-changing transformer 402 is consistent with corresponding construction in embodiment 3, and the present embodiment repeats no more.
Wherein, compensation arrangement 403 comprises: capacitor 405, inductor 406 and fuse 407;
Wherein, this fuse 407 is connected with inductor 406 with described capacitor 405 respectively; for fusing in the time that the current value of described capacitor and/or inductor is greater than preset value, capacitor for voltage protection and inductor are not subject to the impact of instantaneous peak current, the security of operation of capacitor for voltage protection and inductor.
Certainly, in actual enforcement, can be respectively capacitor and inductor corresponding fuse is set, fuse is only protected the equipment of its connection.
In concrete enforcement, for ensureing device security, this compensation arrangement also can arrange a lightning rod, in case equipment thunderbolt.
Wherein, warning device 404 is connected with described fuse 407, for when the described fuse blows, generates warning message, and points out staff.
Wherein, warning device checks fuse, in the time of this fuse blows, the electric current that shows capacitor or inductor is excessive, generate warning message, point out staff to note, staff is receiving after this warning message and can adjust processing to the application's imaginary power automatic compensation system or network system, ensures safe operation of electric network.
In a kind of imaginary power automatic compensation system embodiment 4 that the application as shown in Figure 5 improves, the structural representation of warning device, comprising: detection module 501, signal generation module 502 and reminding module 503;
Detection module 501, for detection of the state information of described fuse;
Wherein, detection module 501 detects in real time to the state information of fuse, and transfers to signal generation module 502.
Wherein, this state information comprises: conducting or fusing.
Concrete, this detected state information can be by the electric current of fuse is detected and obtained, and in the time that current value is 0, state information is fusing, otherwise conducting; Or by the voltage of fuse is detected and obtained, in the time that magnitude of voltage is infinitely great, state information is fusing, otherwise conducting.
Signal generation module 502, in the time that described state information meets fusing condition, generates warning message;
Wherein, this signal generation module, for state is judged, in the time that this state information meets fusing condition, generates warning message.
Concrete, in this warning message there is the identification information such as position or label of the fuse of fusing in portability.
Reminding module 503, for the described alarm message reminding staff of foundation.
Concrete, reminding module prompting staff's mode can comprise: short message notification, screen display notice and/or prompt tone prompting.
Can be according to actual conditions after staff is receiving this warning message the imaginary power automatic compensation system to the application or network system adjust processing, ensure safe operation of electric network.
To sum up, the compensation arrangement of a kind of imaginary power automatic compensation system that the present embodiment provides comprises: controller, on-load tap-changing transformer, compensation arrangement and warning device, and this compensation arrangement comprises: capacitor, inductor and fuse; Wherein, this fuse is connected with inductor with described capacitor respectively; for fusing in the time that the current value of described capacitor and/or inductor is greater than preset value, capacitor for voltage protection and inductor are not subject to the impact of instantaneous peak current, the security of operation of capacitor for voltage protection and inductor.Warning device, for when the described fuse blows, generates warning message, and point out staff to note, staff is receiving after this warning message, can be according to actual conditions the imaginary power automatic compensation system to the application or network system adjust processing, ensure safe operation of electric network.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.For the device providing for embodiment, because its method providing with embodiment is corresponding, so description is fairly simple, relevant part illustrates referring to method part.
To the above-mentioned explanation of provided embodiment, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle provided in this article and features of novelty.
Claims (10)
1. an imaginary power automatic compensation system, is characterized in that, comprising: controller, on-load tap-changing transformer and compensation arrangement;
Wherein, described controller, for obtaining the voltage and current parameter of electrical network high voltage bus, and the described voltage and current parameter of foundation calculates the electric parameter of described high voltage bus;
The on-load tap-changing transformer being connected with described controller, for voltage and the reactive power of the electric parameter adjusting electrical network according to described high voltage bus;
The compensation arrangement being connected with described on-load tap-changing transformer, affords redress to electrical network for the regulation voltage according to on-load tap-changing transformer.
2. system according to claim 1, it is characterized in that, described system also comprises reversible electric machine, main transformer shunting switch, described reversible electric machine is connected with main transformer shunting switch with on-load tap-changing transformer respectively, described main transformer shunting switch is connected with electrical network, described on-load tap-changing transformer specifically for:
Output control signals to described reversible electric machine, described control signal is used to indicate described reversible electric machine and regulates described main transformer shunting switch.
3. system according to claim 2, is characterized in that, also comprises:
The oil-filtering apparatus being connected with main transformer shunting switch, filters for the insulating oil that described main transformer shunting switch is used in the time that pressure regulation is shifted gears.
4. system according to claim 1, is characterized in that, compensation arrangement comprises: capacitor and inductor, described compensation arrangement specifically for:
Described capacitor is connected with described on-load tap-changing transformer respectively with inductor, receives the regulation voltage of described on-load tap-changing transformer, and according to described regulation voltage, electrical network is afforded redress.
5. system according to claim 4, is characterized in that, in the time being provided with controlled safety door lock in electric power networks equipment, described compensation arrangement also comprises: primary coil, secondary coil and device latchup device;
Wherein, described primary coil is described capacitor power supply;
Described secondary coil is connected with described controller with described secondary coil respectively, in the time that described capacitor discharge is detected, exports described capacitor discharge detection signal to described controller;
Described device latchup device is connected with described controller, for when described controller judge described discharge examination signal meet preset without the signal of telecommunication condition time, receive the safety signal that described controller sends, and open according to this safety signal control controlled safety door lock.
6. system according to claim 4, is characterized in that, described compensation arrangement also comprises:
The fuse being connected with inductor with described capacitor respectively, for fusing in the time that the current value of described capacitor and/or inductor is greater than preset value.
7. system according to claim 6, is characterized in that, also comprises:
The warning device being connected with described fuse, for when the described fuse blows, generates warning message, and points out staff.
8. system according to claim 7, is characterized in that, described warning device comprises:
Detection module, for detection of the state information of described fuse;
Signal generation module, in the time that described state information meets fusing condition, generates warning message;
Reminding module, for the described alarm message reminding staff of foundation.
9. system according to claim 8, is characterized in that, reminding module prompting staff's mode comprises: short message notification, screen display notice and/or prompt tone prompting.
10. system according to claim 1, is characterized in that, described controller is voltage-regulation and idle compensating control ZVQC.
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| CN201410395291.9A CN104124697B (en) | 2014-08-12 | 2014-08-12 | A kind of imaginary power automatic compensation system |
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| CN104124697B CN104124697B (en) | 2017-09-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104579059A (en) * | 2015-01-12 | 2015-04-29 | 华侨大学 | Rare earth permanent magnet generator voltage regulator |
| CN107196308A (en) * | 2017-07-04 | 2017-09-22 | 王佳宁 | 1000 kilovolts of main transformer regulating compensations become on-load voltage regulation and haul oneself willingly into cutting system and its pressure regulation method |
| CN111987722A (en) * | 2019-05-21 | 2020-11-24 | 青岛振洁电力科技有限公司 | Electronic intelligent on-load tap changing transformer |
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| CN203377600U (en) * | 2013-01-18 | 2014-01-01 | 夏家峰 | Maintenance-free on-load voltage-adjusting type high-voltage reactive automatic compensation apparatus |
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| US4680531A (en) * | 1986-05-15 | 1987-07-14 | Bbc Brown, Boveri & Company, Limited | Method for attenuating at least one electric harmonic of the system frequency in a multi-phase alternating-current system |
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| CN107196308B (en) * | 2017-07-04 | 2023-08-18 | 河南送变电建设有限公司 | 1000 KV main transformer voltage regulation compensation variable on-load voltage regulation self-switching system and voltage regulation method thereof |
| CN111987722A (en) * | 2019-05-21 | 2020-11-24 | 青岛振洁电力科技有限公司 | Electronic intelligent on-load tap changing transformer |
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| CN104124697B (en) | 2017-09-26 |
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