CN202840529U - Intelligent high-voltage reactive compensation device - Google Patents
Intelligent high-voltage reactive compensation device Download PDFInfo
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- CN202840529U CN202840529U CN 201220542252 CN201220542252U CN202840529U CN 202840529 U CN202840529 U CN 202840529U CN 201220542252 CN201220542252 CN 201220542252 CN 201220542252 U CN201220542252 U CN 201220542252U CN 202840529 U CN202840529 U CN 202840529U
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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 utility model discloses an intelligent high-voltage reactive compensation device. The intelligent high-voltage reactive compensation device comprises a power input for inputting alternating current, a power output end for outputting alternating current, a current sampling device connected between the power input end and the power output end, a voltage sampling device for connecting the power input end or power output end, a control device for connecting the current sampling device and the voltage sampling device, and a reactive compensation device connected between the control device and the power output end. A CIRCUTOR SMART 6 power factor controller is introduced, a high-performance vacuum switch is used, and accordingly average fault-free operation time is long, maintenance is simple and the intelligent high-voltage reactive compensation device is suitable for an unattended 10KV rural transmission system and is high in reliability and stability.
Description
Technical field
The utility model relates to the controller switching equipment field, relates in particular to a kind of intelligent high-pressure reactive compensation equipment.
Background technology
The most high-voltage reactive power compensators that still use in vast rural area now also do not use the technology of digital electronics.Present China rural area, electric power development is very fast, and reactive power compensation does not catch up with, and the electric capacity of old-fashioned electromechanical compensation arrangement and the frequent fault of relay cause transformer overload, and the transmission system loss is large, and quality of voltage is bad.
The utility model content
The purpose of this utility model is to provide a kind of intelligent high-pressure reactive compensation equipment, can take full advantage of the bearing capacity of transmission system, has reduced system's heat waste, has saved energy.
According to an aspect of the present utility model, a kind of intelligent high-pressure reactive compensation equipment is provided, comprising:
The power input of input AC electricity;
The power output end of output AC electricity;
Be connected to the current sampling device between described power input and the power output end;
The voltage sampling device that connects described power input or power output end;
The control device that connects described current sampling device and voltage sampling device;
Be connected to the reactive power compensator between described control device and the power output end.
Preferably, described control device comprises: the power factor (PF) acquisition module that is used for obtaining power factor (PF) that connects respectively described current sampling device and voltage sampling device; The superpressure detection module for detection of superpressure that connects described voltage sampling device; The control signal generation module that connects respectively described power factor (PF) detection module and superpressure detection module, for generation is used for controlling the control signal that described reactive power compensator compensates according to power factor (PF) when the superpressure detection module detects superpressure, and when detecting superpressure, generate the control signal of interrupting reactive power compensation.
Preferably, described reactive power compensator comprises: its input connects the driver of described control signal generation module output; The electric-controlled switch (k) that connects respectively described power output end and driver output end; And the compensation condenser group that connects described power output end via described electric-controlled switch contact.
Preferably, described control device is that model is the integrated circuit of SMART6.
Preferably, be connected with reactor between described electric-controlled switch and the power output end.
Preferably, described reactive power compensator has a plurality of.
Preferably, described current detector (CT) is the Current Mutual Inductance coil, and described power input connects described power output end via described Current Mutual Inductance coil primary.
Preferably, also comprise the Test Switchboard (K1) that is connected between described power output end and the described reactor.
Preferably, also comprise the lightning arrester (Q) that is connected to described power input or power output end.
Preferably, also comprise the computer interface that connects respectively current sampling device and voltage sampling device.
Compared with prior art, the beneficial effects of the utility model are: this equipment is introduced the CIRCUTORSMART6 power factor controller, uses the high-performance vacuum switch, and the mean time between failures is long, safeguards simple.Be suitable for unattended 10KV rural area transmission system.
Below in conjunction with accompanying drawing structure of the present utility model and principle are elaborated.
Description of drawings
Fig. 1 is the functional block diagram of the intelligent high-pressure reactive compensation equipment that provides of the utility model;
Fig. 2 is the functional block diagram of the control device of the intelligent high-pressure reactive compensation equipment that provides of the utility model embodiment;
Fig. 3 is the system block diagram of the intelligent high-pressure reactive compensation equipment that provides of the utility model embodiment.
Among the figure: F: fusible link; The A current indicator; The L reactor; The K vacuum circuit-breaker; C capacitor group; The Q lightning arrester; The R ohmic leakage.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is elaborated, should be appreciated that following illustrated preferred embodiment only is used for description and interpretation the utility model, and be not used in restriction the utility model.
Fig. 1 has shown the functional block diagram of the intelligent high-pressure reactive compensation equipment that the utility model provides, and as shown in Figure 1, comprising: the power input 101 of input AC electricity; The power output end 102 of output AC electricity; Be connected to the current sampling device 103 between described power input 101 and the power output end 102; The voltage sampling device 104 that connects described power input 101 or power output end 102; The control device 105 that connects described current sampling device 103 and voltage sampling device 104; Be connected to the reactive power compensator 106 between described control device 105 and the power output end 102.
Described reactive power compensator 106 has a plurality of, and it comprises: its input connects the driver of described control signal generation module output; The electric-controlled switch (k) that connects respectively described power output end and driver output end; And the compensation condenser group that connects described power output end via described electric-controlled switch contact.
Fig. 2 has shown the functional block diagram of the control device of the intelligent high-pressure reactive compensation equipment that the utility model embodiment provides, as shown in Figure 2, described control device 105 comprises: the power factor (PF) acquisition module that is used for obtaining power factor (PF) that connects respectively described current sampling device and voltage sampling device; The superpressure detection module for detection of superpressure that connects described voltage sampling device; And the control signal generation module that connects respectively described power factor (PF) detection module and superpressure detection module, for generation is used for controlling the control signal that described reactive power compensator compensates according to power factor (PF) when the superpressure detection module detects superpressure, and when detecting superpressure, generate the control signal of interrupting reactive power compensation.
Described control device 105 is that model is the integrated circuit of SMART6.
Be connected with reactor between described electric-controlled switch and the power output end 102.
Fig. 3 has shown the system block diagram of the intelligent high-pressure reactive compensation equipment that the utility model embodiment provides, as shown in Figure 3, mainly formed by AC vacuum contactor, hermetically sealed high-voltage parallel capacitor, dual pressure controller, Current Transmit, voltage transformer pt, lightning arrester, high-tension fuse, series reactor, connection bus etc.Current transformer is adopted in the measurement of current signal, and the voltage transformer V-type is connected to before the vacuum switch, is used for measuring the voltage of bus, uses electric current CT as current sample.By voltage, Current calculation reactive power.
Described current detector (CT) is the Current Mutual Inductance coil, and described power input 101 connects described power output end 102 via described Current Mutual Inductance coil primary.
Intelligent high-pressure reactive compensation equipment of the present utility model also comprises the Test Switchboard (K1) that is connected between described power output end 102 and the described reactor; Be connected to the lightning arrester (Q) of described power input 101 or power output end 102; The computer interface that connects respectively current sampling device 103 and voltage sampling device 104.
Imaginary power automatic compensation of the present utility model: under the voltage first principle, according to the actual required idle amount automatic switching capacitance compensation group of system, the idle benefit of owing is progressively thrown capacitor group, (according to the mensuration to reactive power); Progressively cut the capacitor group without the merits and demerits benefit.Make system be in all the time not overvoltage, lack and mend, owe to mend the grid loss minimum state.Combine and protect function: every assembling is equipped with switch protection (apolegamy): overvoltage, decompression, overcurrent (short circuit) and zero sequence continue electric protection, fuse overcurrent protection, zinc oxide arrester overvoltage protection, ground protection, fast tripping protection etc.Capability of overload: this device can long-time running under 1.1 times of rated voltages, moves 30min among every 24h under 1.5 times of rated voltages; This equipment can be continuously operation under 1.3 times of rated current at effective value; Compensation arrangement is reduced to residual voltage below the 50V automatically through the internal discharge parts after disconnecting from electrical network; Have real-time measurement and memory function, integral point records half a year.Can adopt USB interface to download.
Electric capacity of the present utility model forms, and electric capacity divides row, the grouping layout, each unit is comprised of " electric capacity+fuse ".This electric capacity adopts series-parallel connection method, to reach the purpose of high voltage, high power capacity.And, when there being an electric capacity to puncture; Other electric capacity, just to this road discharge, so, this road fuse to be burnt, just abandon on this road.Like this, although total capacitance has descended some; Whole capacitor still can use.In addition, high-voltage capacitance in internal configurations discharge resistance, with guarantee electric capacity withdraw from use certain hour after, the residual voltage between two terminals of electric capacity is no more than a certain numerical value.For the speed that guarantees to throw/switch, other has external discharge resistance.
Equipment of the present utility model encapsulates with outer cover of steel plate, and the porcelain insulating sleeve pipe is arranged at the top, and terminal screw is M12.Each electric capacity is to be made of two-layer aluminium foil, and the centre is polypropylene film.Dress has been filled with nontoxic and biodegradable material.This material, better than other material, mainly be dielectric loss low (low to about 0.15W/kvar) in the electric capacity, and capacitor size is little.In addition, safety.Because the possibility of internal short-circuit is few.Avoided, the electric capacity internal short-circuit makes the burning of paper film, produces gas, the fault that the pressure in the electric capacity increases.
Major parameter of the present utility model comprises:
1, rated voltage 10KV.
2, operating voltage in the control cubicle :～220V ± 20%.
3, control mode: voltage, reactive power.
4, certainty of measurement: voltage error≤0.5%, current error≤1%, idle, meritorious error≤1%, power factor ± 2
5, insulation level:
(1), high-pressure side dielectric voltage withstand
A, all-wave impulse withstand voltage (1.2/50us): 60KV (peak value)
B, power frequency 1min are withstand voltage: 32KV (effective value)
(2), reach winding industrial frequency withstand voltage (1min) over the ground between the secondary winding: 3KV (effective value) external insulation is minimum effectively creepage distance relatively: porcelain insulating 〉=216mm composite insulation 〉=240mm
Operation principle of the present utility model is: this intelligent high-pressure reactive compensation equipment carries out the voltage power-less Comprehensive Control by the controller of high reliability.The capacitor group is come switching by high-pressure vacuum contactor.When the reactive power value that detects when controller surpassed whole definite value, controller was thrown the progression of capacitor group according to need, provides control signal, automatic closing, and high-pressure vacuum contactor puts the capacitor group into operation; When the load reactive power value was lower than setting value, controller provided control signal high-pressure vacuum contactor is disconnected, and the capacitor group is deactivated, and more than operation is carried out fully automatically.
In sum, the utility model is introduced CIRCUTOR SMART6 power factor controller; Use the high-performance vacuum switch, the mean time between failures is long, safeguards simple.Be suitable for unattended 10KV rural area transmission system, have high reliability and stability.
Although above the utility model is had been described in detail, the utility model is not limited to this, and those skilled in the art of the present technique can carry out various modifications according to principle of the present utility model.Therefore, all modifications of doing according to the utility model principle all should be understood to fall into protection range of the present utility model.
Claims (10)
1. an intelligent high-pressure reactive compensation equipment is characterized in that, comprising:
The power input of input AC electricity;
The power output end of output AC electricity;
Be connected to the current sampling device between described power input and the power output end;
The voltage sampling device that connects described power input or power output end;
The control device that connects described current sampling device and voltage sampling device;
Be connected to the reactive power compensator between described control device and the power output end.
2. high voltage passive compensation equipment according to claim 1 is characterized in that, described control device comprises:
The power factor (PF) acquisition module that is used for obtaining power factor (PF) that connects respectively described current sampling device and voltage sampling device;
The superpressure detection module for detection of superpressure that connects described voltage sampling device;
The control signal generation module that connects respectively described power factor (PF) detection module and superpressure detection module.
3. high voltage passive compensation equipment according to claim 2 is characterized in that, described reactive power compensator comprises:
Its input connects the driver of described control signal generation module output;
The electric-controlled switch (k) that connects respectively described power output end and driver output end; And
The compensation condenser group that connects described power output end via described electric-controlled switch contact.
4. according to claim 2 or 3 described high voltage passive compensation equipments, it is characterized in that described control device is that model is the integrated circuit of SMART6.
5. according to claim 2 or 3 described high voltage passive compensation equipments, it is characterized in that, be connected with reactor between described electric-controlled switch and the power output end.
6. according to claim 2 or 3 described high voltage passive compensation equipments, it is characterized in that described reactive power compensator has a plurality of.
7. according to claim 2 or 3 described high voltage passive compensation equipments, it is characterized in that described current detector (CT) is the Current Mutual Inductance coil, described power input connects described power output end via described Current Mutual Inductance coil primary.
8. high voltage passive compensation equipment according to claim 7 is characterized in that, also comprises the Test Switchboard (K1) that is connected between described power output end and the described reactor.
9. high voltage passive compensation equipment according to claim 1 is characterized in that, also comprises the lightning arrester (Q) that is connected to described power input or power output end.
10. high voltage passive compensation equipment according to claim 9 is characterized in that, also comprises the computer interface that connects respectively current sampling device and voltage sampling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542252 CN202840529U (en) | 2012-10-23 | 2012-10-23 | Intelligent high-voltage reactive compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542252 CN202840529U (en) | 2012-10-23 | 2012-10-23 | Intelligent high-voltage reactive compensation device |
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| CN202840529U true CN202840529U (en) | 2013-03-27 |
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| CN 201220542252 Expired - Fee Related CN202840529U (en) | 2012-10-23 | 2012-10-23 | Intelligent high-voltage reactive compensation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762605A (en) * | 2014-01-13 | 2014-04-30 | 江苏现代电力科技股份有限公司 | Intelligent high-voltage reactive power compensation device |
-
2012
- 2012-10-23 CN CN 201220542252 patent/CN202840529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762605A (en) * | 2014-01-13 | 2014-04-30 | 江苏现代电力科技股份有限公司 | Intelligent high-voltage reactive power compensation device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20171023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |