CN209462026U - A kind of large capacity equipment Electric capacity compensation device on the spot - Google Patents
A kind of large capacity equipment Electric capacity compensation device on the spot Download PDFInfo
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- CN209462026U CN209462026U CN201920148336.0U CN201920148336U CN209462026U CN 209462026 U CN209462026 U CN 209462026U CN 201920148336 U CN201920148336 U CN 201920148336U CN 209462026 U CN209462026 U CN 209462026U
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- capacitor
- compensation
- capacity
- micro computer
- spot
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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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- Control Of Electrical Variables (AREA)
Abstract
The utility model discloses a kind of large capacity equipment Electric capacity compensation device on the spot, including disconnecting switch, arrester, breaker, current transformer, ammeter, voltmeter, voltage change-over switch, indicator light, fuse, miniature circuit breakers, the dedicated suppression stream contactor of capacitor, capacitor and micro computer compensate instrument controller, 12 investments, excision output interface controls respectively is assembled with miniature circuit breakers, the dedicated suppression stream contactor of capacitor, the capacitor group of capacitor, and the quantity of output loop can be arranged in the capacitor group according to the demand of Different field equipment on micro computer compensation instrument controller, the work real time data of instrument controller monitoring current mutual inductor is compensated by micro computer, issue investment, it cuts off signal enabling or closes the dedicated suppression stream contactor of capacitor, change the compensation capacity of capacitor in real time.The utility model can change compensation capacity according to the operating status of equipment in time, quickly put into or cut off the compensation capacity of capacitor by controller, reach best electricity consumption effect.
Description
Technical field
The utility model relates to electric fields, and in particular to a kind of large capacity equipment Electric capacity compensation device on the spot.
Background technique
Currently used capacitance compensation includes:
1, high-pressure capacitance compensation cabinet, the interior compensation of complete high-voltage board power distribution room；
2, low-voltage capacitance compensating cabinet, the interior compensation of complete low-voltage cabinet power distribution room；
3, equipment nearby increases capacitor compensation cabinet, to there is improvement compensation way.
It is with defect present in upper type:
1, complete high pressure, low-voltage compensation cabinet are led because of the lack of uniformity (various electrical equipment power factors different) of load equipment
It causes compensation effect bad, and farther out (route is too long) with electrical equipment, capacitance compensation or exit time is caused to postpone (i.e. underfill
And put into when overfill, excision movement delays)；
2, to have improvement local compensation equipment and use equipment incompatible, cause compensation effect bad.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of large capacity equipment capacitance compensation on the spot is provided
Device can change compensation capacity according to the operating status of equipment in time, quickly put into or cut off the benefit of capacitor by controller
Capacity is repaid, best electricity consumption effect is reached.
The technical solution of the utility model is as follows:
A kind of large capacity equipment Electric capacity compensation device on the spot, including disconnecting switch, arrester, breaker, current transformer,
The dedicated suppression stream contactor of ammeter, voltmeter, voltage change-over switch, indicator light, fuse, miniature circuit breakers, capacitor, capacitor
Instrument controller is compensated with micro computer, the micro computer compensation instrument controller is equipped with voltage input interface, electric current input interface
And 12 investments, excision output interface, the voltage input interface, electric current input interface are separately connected voltage source and electric current takes
Sample mutual inductor is connected with the fuse, 12 investments, excision between the voltage source and the voltage input interface
Output interface controls the capacitor group for being assembled with the dedicated suppression stream contactor of the miniature circuit breakers, capacitor, capacitor respectively, and should
The quantity of output loop, electricity can be arranged in capacitor group according to the demand of Different field equipment on micro computer compensation instrument controller
The work of container group is that the work real time data of instrument controller monitoring current mutual inductor is compensated by micro computer, sending investment,
It cuts off signal enabling or closes the dedicated suppression stream contactor of capacitor, to change the compensation capacity of capacitor in real time.
Further, the voltage input interface, electric current input interface are respectively provided with two, and each voltage input interface is opposite
A fuse should be connected.
Further, the micro computer compensation instrument controller uses GZK-871 controller.
Further, the capacitor includes the capacitor group of 12 groups of not equal capacity.
Further, the current transformer and ammeter are respectively provided with three, and between the current transformer, ammeter
Between be serially connected.
Compared with the existing technology, the utility model has the beneficial effects that:
1, the utility model avoids high low-voltage complete cabinet capacitor group compensation investment and the retardance of excision in electric room；
2, the utility model improves the unicity of the capacitance size of existing local compensation equipment；
3, not etc. the capacitor group of capacity not may insure that different size of power is used in large capacity equipment in the utility model
Electric equipment obtains required corresponding compensation capacity, and quickly excision is electric after the overcompensation that will not be generated by the single capacity of capacitor group
Container group and there is the phenomenon that underfill；
4, the A.C. contactor in the utility model, combination switch can inhibit the higher hamonic wave of power supply system to amplify limitation
With the higher harmonic current for filtering off inflow capacitor.Inrush phenomenon in limiting capacitance device group circuit.Guarantee secondary capacitor group
With the safe operation of other electrical equipments.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of circuit-line of large capacity equipment provided by the embodiment of the utility model Electric capacity compensation device on the spot
Figure；
Fig. 2 is that a kind of control circuit of large capacity equipment provided by the embodiment of the utility model Electric capacity compensation device on the spot is shown
It is intended to；
Fig. 3 is a kind of capacitance compensation of large capacity equipment provided by the embodiment of the utility model Electric capacity compensation device on the spot
Figure.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The present invention will be further described in detail for example.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Embodiment
Fig. 1~3 are please referred to, the present embodiment provides a kind of large capacity equipment Electric capacity compensation device on the spot, including disconnecting switch,
Arrester, breaker, current transformer, ammeter, voltmeter, voltage change-over switch, indicator light, fuse, miniature circuit breakers, electricity
Hold dedicated suppression stream contactor, capacitor and micro computer compensation instrument controller, micro computer compensation instrument controller set there are two
Voltage input interface, two electric current input interfaces and 12 investments, excision output interface, two voltage input interfaces, two
Electric current input interface is separately connected voltage source and current sampling mutual inductor, and fusing is connected between voltage source and voltage input interface
Device, one fuse of each corresponding connection of voltage input interface, for protecting micro computer to compensate instrument controller, 12 throwings
Enter, cut off output interface and control the capacitor group for being assembled with miniature circuit breakers, capacitor dedicated suppression stream contactor and capacitor respectively,
And the number of output loop can be arranged in the capacitor group according to the demand of Different field equipment on micro computer compensation instrument controller
Amount, the work of capacitor group are that the work real time data of instrument controller monitoring current mutual inductor is compensated by micro computer, are issued
Investment, excision signal enabling close the dedicated suppression stream contactor of capacitor, to change the compensation capacity of capacitor in real time.
Wherein, micro computer compensation instrument controller uses GZK-871 controller.
Wherein, capacitor includes the capacitor group of 12 groups of not equal capacity.
Wherein, current transformer and ammeter are respectively provided with three, and mutually go here and there between current transformer, between ammeter
Connection.
It when installation, is mounted near electrical equipment nearby, Electric capacity compensation device being capable of timely root on the spot for the large capacity equipment
Change compensation capacity according to the operating status of equipment, quickly puts into or cut off the compensation capacity of capacitor by controller, reach best use
Electric effect.(operation of large capacity equipment is worked by asynchronous machine of different sizes, not because of power of motor size
Together, the capacity of required compensation is also different, therefore corresponding compensation is passed in and out using the capacitor to differ in size, avoids overfill or owes
Electric energy loss and the damage to electrical equipment caused by benefit).
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of large capacity equipment Electric capacity compensation device on the spot, it is characterised in that: including disconnecting switch, arrester, breaker, electricity
The dedicated suppression stream contact of current transformer, ammeter, voltmeter, voltage change-over switch, indicator light, fuse, miniature circuit breakers, capacitor
Device, capacitor and micro computer compensate instrument controller, and the micro computer compensation instrument controller is equipped with voltage input interface, electric current
Input interface and 12 investments, excision output interface, the voltage input interface, electric current input interface are separately connected voltage source
And current sampling mutual inductor, it is connected with the fuse between the voltage source and the voltage input interface, described 12
Investment, excision output interface control the capacitor for being assembled with the dedicated suppression stream contactor of the miniature circuit breakers, capacitor, capacitor respectively
Device group, and output loop can be arranged on micro computer compensation instrument controller according to the demand of Different field equipment in the capacitor group
Quantity, the work of capacitor group be by micro computer compensate instrument controller monitoring current mutual inductor work real time data,
It issues investment, excision signal enabling or closes the dedicated suppression stream contactor of capacitor, to change the compensation capacity of capacitor in real time.
2. a kind of large capacity equipment according to claim 1 Electric capacity compensation device on the spot, it is characterised in that: the voltage is defeated
Incoming interface, electric current input interface are respectively provided with two, one fuse of each corresponding connection of voltage input interface.
3. a kind of large capacity equipment according to claim 1 Electric capacity compensation device on the spot, it is characterised in that: the micro computer
It compensates instrument controller and uses GZK-871 controller.
4. a kind of large capacity equipment according to claim 1 Electric capacity compensation device on the spot, it is characterised in that: the capacitor
Capacitor group including 12 groups of not equal capacity.
5. a kind of large capacity equipment according to claim 1 Electric capacity compensation device on the spot, it is characterised in that: the electric current is mutual
Sensor and ammeter are respectively provided with three, and are serially connected between the current transformer, between ammeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148336.0U CN209462026U (en) | 2019-01-25 | 2019-01-25 | A kind of large capacity equipment Electric capacity compensation device on the spot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920148336.0U CN209462026U (en) | 2019-01-25 | 2019-01-25 | A kind of large capacity equipment Electric capacity compensation device on the spot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209462026U true CN209462026U (en) | 2019-10-01 |
Family
ID=68046039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920148336.0U Active CN209462026U (en) | 2019-01-25 | 2019-01-25 | A kind of large capacity equipment Electric capacity compensation device on the spot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209462026U (en) |
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2019
- 2019-01-25 CN CN201920148336.0U patent/CN209462026U/en active Active
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