CN206673594U - A kind of autocompensation installation and the motor-pumped well electricity distributing and metering case for possessing automatic compensation function - Google Patents
A kind of autocompensation installation and the motor-pumped well electricity distributing and metering case for possessing automatic compensation function Download PDFInfo
- Publication number
- CN206673594U CN206673594U CN201720292693.5U CN201720292693U CN206673594U CN 206673594 U CN206673594 U CN 206673594U CN 201720292693 U CN201720292693 U CN 201720292693U CN 206673594 U CN206673594 U CN 206673594U
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- motor
- pumped well
- compensation
- loop
- string
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- 230000005611 electricity Effects 0.000 title claims abstract description 50
- 238000009434 installation Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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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
Abstract
The utility model discloses a kind of autocompensation installation and possesses the motor-pumped well electricity distributing and metering case of automatic compensation function, motor-pumped well electricity distributing and metering case includes major loop and the compensation loop being connected with major loop, compensation loop string is provided with compensating electric capacity module, the motor-pumped well electricity distributing and metering case also includes being used for the current detection module for detecting main circuit current and exporting corresponding control signal when electric current reaches setting value, string is provided with controlling switch in the compensation loop, and the current detection module control connects the controlling switch.When current detection module detects that main circuit current is more than setting value, controlling switch effect makes in compensation capacitor module access compensation loop, and automatic compensation is realized by the automatic switching of electric capacity.The utility model solves the problems, such as the capacitor manual switching inconvenience of motor-pumped well electricity distributing and metering case.
Description
Technical field
The utility model belongs to motor-pumped well energization field of engineering technology, and in particular to a kind of autocompensation installation and possesses automatic
The motor-pumped well electricity distributing and metering case of compensation function.
Background technology
In the motor-pumped well energization project of power network, motor-pumped well electricity distributing and metering case does not configure reactive compensation unit typically.But in reality
In, motor-pumped well is compensated, has a positive effect to improving motor-pumped well power supply quality and save electricity, therefore part motor-pumped well distribution meter
Measuring tank is initially configured manual switching unit.Configure structural representation such as Fig. 1 institutes of the motor-pumped well electricity distributing and metering case of manual switching unit
Show, including major loop and compensation loop, string is provided with disconnecting switch, kilowatt-hour meter, RCCB in major loop, in compensation loop
Middle string is provided with reactive compensation unit and hand switch.Wherein, reactive compensation unit can be compensation capacitor module.But hand
The problem of inconvenient be present in dynamic switching.
Utility model content
The purpose of this utility model is to provide a kind of autocompensation installation and possesses the motor-pumped well distribution meter of automatic compensation function
Measuring tank, to solve the problems, such as the capacitor manual switching inconvenience of motor-pumped well electricity distributing and metering case.
In order to solve the above technical problems, the utility model provides a kind of autocompensation installation, including four automatic compensation dresses
Put scheme：
Autocompensation installation scheme one, including for detecting main circuit current, and export phase when electric current reaches setting value
The current detection module for the control signal answered, the autocompensation installation also include the compensation loop being connected with the major loop,
String is provided with controlling switch in the compensation loop, and the current detection module control connects the controlling switch.
Autocompensation installation scheme two, on the basis of autocompensation installation scheme one, the current detection module is use
The overcurrent relay being located in string in the major loop.
Autocompensation installation scheme three, on the basis of autocompensation installation scheme two, the controlling switch is a contact
The normally opened contact of device, normally opened contact of the string provided with the overcurrent relay in the supply line of the control coil of the contactor.
Autocompensation installation scheme four, on the basis of autocompensation installation scheme one, also string is set in the compensation loop
There is fuse.
The utility model also provides a kind of motor-pumped well electricity distributing and metering case for possessing automatic compensation function, including six motor-pumped well distribution
Batch meter scheme：
Motor-pumped well electricity distributing and metering case scheme one, including major loop and the compensation loop that is connected with major loop, compensation loop string are set
There is compensating electric capacity module, the motor-pumped well electricity distributing and metering case also includes being used to detect main circuit current and when electric current reaches setting value
The current detection module of corresponding control signal is exported, string is provided with controlling switch, the current detecting mould in the compensation loop
Block control connects the controlling switch.
Motor-pumped well electricity distributing and metering case scheme two, on the basis of motor-pumped well electricity distributing and metering case scheme one, the current detection module
To be located at the overcurrent relay in the major loop for string.
Motor-pumped well electricity distributing and metering case scheme three, on the basis of motor-pumped well electricity distributing and metering case scheme two, the controlling switch is one
The normally opened contact of contactor, normally opened provided with the overcurrent relay of string touches in the supply line of the control coil of the contactor
Point.
Motor-pumped well electricity distributing and metering case scheme four, on the basis of motor-pumped well electricity distributing and metering case scheme one, in the compensation loop also
String is provided with fuse.
Motor-pumped well electricity distributing and metering case scheme five, on the basis of motor-pumped well electricity distributing and metering case scheme one, the compensation capacitor mould
Block is the capacitor of triangle connection.
Motor-pumped well electricity distributing and metering case scheme six, on the basis of motor-pumped well electricity distributing and metering case scheme one, also gone here and there on the major loop
Provided with kilowatt-hour meter.
The beneficial effects of the utility model are：String is provided with current detection module, the benefit being connected with major loop in major loop
Repay string on loop and be provided with controlling switch, when current detection module detects that main circuit current is more than setting value, controlling switch is made
With making compensation capacitor module access in compensation loop, automatic compensation is realized by the automatic switching of electric capacity.The utility model
Solves the problems, such as the capacitor manual switching inconvenience of motor-pumped well electricity distributing and metering case.
Brief description of the drawings
Fig. 1 is the schematic diagram of the motor-pumped well electricity distributing and metering case of prior art；
Fig. 2 is the schematic diagram for the motor-pumped well electricity distributing and metering case for possessing automatic compensation function；
Fig. 3 is the circuit connection diagram for the motor-pumped well electricity distributing and metering case for possessing automatic compensation function；
Fig. 4 is the another embodiment schematic diagram for the motor-pumped well electricity distributing and metering case for possessing automatic compensation function.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in further detail.
Possesses the embodiment of the motor-pumped well electricity distributing and metering case of automatic compensation function：
The schematic diagram for the motor-pumped well electricity distributing and metering case for possessing automatic compensation function is illustrated in figure 2, the motor-pumped well electricity distributing and metering case
The compensation loop being connected including major loop and with major loop.Major loop string is provided with current detection module, is returned for detecting motor-pumped well master
Road electric current, and corresponding control signal is exported when electric current reaches setting value；String is provided with controlling switch in compensation loop；Electric current is examined
Survey module control connection controlling switch.In addition, also string is provided with disconnecting switch, kilowatt-hour meter in the major loop of the motor-pumped well electricity distributing and metering case
And RCCB；Integrated reading device is controlled by kilowatt-hour meter；Arrester is also associated with major loop；Compensate string in loop and be provided with compensation electricity
Molar block.When the electric current that current detection module is detected in major loop reaches the action current of setting, controlling switch effect will
Compensation capacitor module is linked into compensation loop, turns on compensation loop, realizes the automatic switching of electric capacity.
The circuit connection diagram for the motor-pumped well electricity distributing and metering case for possessing automatic compensation function is illustrated in figure 3, the motor-pumped well distribution meter
Measuring tank is installed on the distribution network of 400V three-phase four-wire systems.Wherein, A, B, C, N connect three-phase four-wire system power distribution network in the device.
The motor-pumped well electricity distributing and metering case includes overcurrent relay KA, contactor KM.Overcurrent relay KA strings are located in major loop, for detecting
The electric current of motor-pumped well major loop, and export corresponding control signal when electric current reaches setting value；The benefit being connected with motor-pumped well major loop
Repay normally opened contact of the string provided with contactor KM in loop；String is provided with excessively stream relay in the supply line of contactor KM control coil
Device KA normally opened contact.Moreover, string is provided with kilowatt-hour meter WH in the major loop of the motor-pumped well electricity distributing and metering case, goes here and there and be provided with compensation loop
Compensation capacitor module C.
In addition, also string is provided with fuse RD1~RD3 in the compensation loop of the motor-pumped well electricity distributing and metering case, also gone here and there in major loop
There are disconnecting switch GL, RCCB QF, disconnecting switch GL outlets meet kilowatt-hour meter WH, and kilowatt-hour meter WH outlets connect RCCB
QF, RCCB QF outlet are picked well by overcurrent relay KA all the way, another way by contactor KM, fuse RD1~
RD3 meets compensation capacitor module C；Integrated reading device JC is controlled by kilowatt-hour meter WH；Arrester FV is further connected with major loop.Wherein, mend
Repay the capacitor that capacitor module C is triangle connection.
Overcurrent relay KA detects electric current in major loop in real time, when detecting that electric current reaches overcurrent relay KA in major loop
During action current, overcurrent relay KA normally opened contact closure, contactor KM coil electricity, contactor KM normally opened contact closes
Close, compensation capacitor module C access compensation loop, compensation loop conducting is compensated automatically, realizes the automatic switching of electric capacity.
The utility model realizes earth leakage protective by RCCB, and overcurrent protection is realized by fuse；By lightning-arrest
Device realizes anti-lightning strike protection, avoids equipment from being endangered by high transient overvoltage；Insulation blocking is realized by disconnecting switch.Multiple guarantor
Shield makes system more safe and reliable, fundamentally reduces maintenance cost and difficulty.Kilowatt-hour meter coordinates integrated reading device remote meter reading, more
Add convenient and swift.
In the present embodiment, current detection module uses overcurrent relay, and controlling switch uses the normally opened contact of contactor,
The control coil of contactor and the normally opened contact of overcurrent relay connect；When detecting that electric current reaches overcurrent relay in major loop
Action current when, overcurrent relay normally opened contact closure, the coil electricity of contactor, contactor normally opened contact closure,
Compensation capacitor module is linked into compensation loop so as to realize, turns on compensation loop, realizes the automatic switching of electric capacity.Make
For other embodiment, current detection module can also use current sensor and MCU, and controlling switch can also use other devices
Part, such as IGBT, triode etc..The schematic diagram of one of which embodiment when current sensor detects as shown in figure 4, lead back
When road electric current reaches action current, this is delivered a signal into MCU, the conducting of triode is controlled by MCU, so as to by compensating electric capacity
Device module is linked into compensation loop, turns on compensation loop, realizes the automatic switching of motor-pumped well electricity distributing and metering case capacitor.
Autocompensation installation embodiment：
Autocompensation installation of the present utility model, equivalent to the motor-pumped well electricity distributing and metering case in prior art as shown in Figure 1
On the basis of improve, on major loop string set a current detection module, the hand switch in Fig. 1 is substituted for into control opens
Close.When the electric current that current detection module is detected in major loop reaches the action current of setting, controlling switch effect, will compensate
Capacitor module is linked into compensation loop, turns on compensation loop, realizes the automatic switching of electric capacity.Due to possessing to above-mentioned
The embodiment of the motor-pumped well electricity distributing and metering case of automatic compensation function is discussed in detail, therefore repeats no more.
Claims (10)
1. a kind of autocompensation installation, it is characterised in that including for detecting main circuit current, and when electric current reaches setting value
The current detection module of corresponding control signal is exported, the autocompensation installation also includes the compensation being connected with the major loop
Loop, string is provided with controlling switch in the compensation loop, the current detection module control connection controlling switch.
2. autocompensation installation according to claim 1, it is characterised in that the current detection module is to be located at for going here and there
Overcurrent relay in the major loop.
3. autocompensation installation according to claim 2, it is characterised in that the controlling switch is normally opened for a contactor
Contact, normally opened contact of the string provided with the overcurrent relay in the supply line of the control coil of the contactor.
4. autocompensation installation according to claim 1, it is characterised in that also string is provided with fusing in the compensation loop
Device.
5. a kind of motor-pumped well electricity distributing and metering case for possessing automatic compensation function, including major loop and the compensation that is connected with major loop are returned
Road, compensation loop string are provided with compensating electric capacity module, it is characterised in that the motor-pumped well electricity distributing and metering case also includes being used to detect to lead back
Road electric current simultaneously exports the current detection module of corresponding control signal when electric current reaches setting value, goes here and there and sets in the compensation loop
There is controlling switch, the current detection module control connects the controlling switch.
6. the motor-pumped well electricity distributing and metering case according to claim 5 for possessing automatic compensation function, it is characterised in that the electric current
Detection module is the overcurrent relay being located at for string in the major loop.
7. the motor-pumped well electricity distributing and metering case according to claim 6 for possessing automatic compensation function, it is characterised in that the control
Switch as the normally opened contact of a contactor, string is provided with the overcurrent relay in the supply line of the control coil of the contactor
Normally opened contact.
8. the motor-pumped well electricity distributing and metering case according to claim 5 for possessing automatic compensation function, it is characterised in that the compensation
Also string is provided with fuse in loop.
9. the motor-pumped well electricity distributing and metering case according to claim 5 for possessing automatic compensation function, it is characterised in that the compensation
Capacitor module is the capacitor of triangle connection.
10. the motor-pumped well electricity distributing and metering case according to claim 5 for possessing automatic compensation function, it is characterised in that the master
Also string is provided with kilowatt-hour meter on loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292693.5U CN206673594U (en) | 2017-03-23 | 2017-03-23 | A kind of autocompensation installation and the motor-pumped well electricity distributing and metering case for possessing automatic compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720292693.5U CN206673594U (en) | 2017-03-23 | 2017-03-23 | A kind of autocompensation installation and the motor-pumped well electricity distributing and metering case for possessing automatic compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206673594U true CN206673594U (en) | 2017-11-24 |
Family
ID=60373823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720292693.5U Active CN206673594U (en) | 2017-03-23 | 2017-03-23 | A kind of autocompensation installation and the motor-pumped well electricity distributing and metering case for possessing automatic compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206673594U (en) |
-
2017
- 2017-03-23 CN CN201720292693.5U patent/CN206673594U/en active Active
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