CN208241567U - A kind of submersible motor power conditioner - Google Patents
A kind of submersible motor power conditioner Download PDFInfo
- Publication number
- CN208241567U CN208241567U CN201820934745.9U CN201820934745U CN208241567U CN 208241567 U CN208241567 U CN 208241567U CN 201820934745 U CN201820934745 U CN 201820934745U CN 208241567 U CN208241567 U CN 208241567U
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- CN
- China
- Prior art keywords
- submersible motor
- circuit
- converter
- filter
- dsp control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Inverter Devices (AREA)
Abstract
The utility model discloses a kind of submersible motor power conditioners, including frequency converter, Active Power Filter-APF, submersible motor, main circuit, DSP control circuit, detection circuit, the frequency converter two sides are provided with power supply and the Active Power Filter-APF, the Active Power Filter-APF includes the main circuit, driving circuit is provided with below the main circuit, the driving circuit side is provided with the DSP control circuit, DSP control circuit side is provided with A/D converter, the detection circuit is provided with above the A/D converter, the detection circuit side is provided with inductance, first capacitor is provided with below the inductance, the Active Power Filter-APF side is provided with the submersible motor.Beneficial effect is: the utility model provides a kind of submersible motor power conditioner, can efficiently filter out converter technique bring high-frequency harmonic, makes the practical more efficient of submersible motor, safer.
Description
Technical field
The utility model relates to field of mechanical technique more particularly to a kind of double-layered transporting open-width batcher auxiliary clamping machines
Frame.
Background technique
At present, submersible motor has obtained widely in each elephant as mechanized equipment important in oilfield exploitation
Using becoming one of the main means of oil field long term stable production.And the application of converter technique then makes the characteristic and oil well of submersible motor
Production capacity sufficiently matches, to greatly improve the operational efficiency of entire electric submersible pump unit.But it also brings simultaneously
Series of negative problem, the higher hamonic wave as present in inverter power supply can cause the increase of additional copper loss, iron loss to lead
Since end overvoltage phenomenon leads to the damage of insulation system when causing the increase of submersible motor temperature rise, and being transmitted using long cable
It is bad.Currently, the equipment of inhibitions harmonic wave used is power-supply filter, there are mainly of two types, is passive filter respectively and have
Source filter, passive filter structure is simple, easy to maintain, but the influence vulnerable to system parameter, and harmonic filtration rate is low, to certain
A little subharmonic have the possibility of amplification, expend more, volume is big etc.；Active filter utilizes controllable power semiconductor to power grid
Electric current equal with original harmonic current, opposite in phase is injected, total harmonic current zero of power supply, harmonic filtration rate are made
Height, and strong real-time.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of submersible motor power conditioner.
The utility model achieves the above object through the following technical schemes:
The utility model discloses a kind of submersible motor power conditioner, including it is frequency converter, Active Power Filter-APF, latent
Oily motor, main circuit, DSP control circuit, detection circuit, the frequency converter two sides are provided with power supply and the active power filtering
Device, the Active Power Filter-APF include the main circuit, and the main circuit includes voltage type active filter, the voltage-type
Active filter side is provided with the second capacitor, is provided with driving circuit below the main circuit, the driving circuit side is set
It is equipped with the DSP control circuit, DSP control circuit side is provided with A/D converter, setting above the A/D converter
There is the detection circuit, the detection circuit side is provided with inductance, is provided with first capacitor below the inductance, described active
Electric-power filter side is provided with the submersible motor.
In above structure, the frequency converter flows out output current of frequency converter, frequency converter output electricity far from the power supply side
Stream and compensation electric current are summed into as load current, and load current flows into the detection circuit, and the detection circuit real-time detection is negative
The harmonic current components and fundamental reactive current in electric current are carried, the analog current signal conversion that the A/D converter will test
For digital signal, digital signal is sent into the DSP control circuit, the DSP control circuit uses 32 fixed DSP TMS
320F2812 chip, it not only has digital signal processing capability, but also has powerful incident management ability and embedded Control function
Can, particularly suitable for the observing and controlling occasion for having mass data to handle, DSPTMS320F2812 chip handles digital signal, will
Harmonic current components and fundamental reactive current separation, the driving circuit obtain corresponding pulsewidth modulation (PWM) signal, and to institute
The driving pulse that main circuit sends out pwm signal form is stated, the main circuit generates, phase phase equal with original harmonic current
Anti- compensation electric current flows into output current of frequency converter, filters out harmonic wave function to realize.
In order to further increase the working efficiency of submersible motor, the main circuit is connected with the driving circuit.
In order to further increase the working efficiency of submersible motor, the driving circuit is connected with the DSP control circuit.
In order to further increase the working efficiency of submersible motor, the DSP control circuit is connected with the A/D converter.
In order to further increase the working efficiency of submersible motor, the A/D converter is connected with the detection circuit.
In order to further increase the working efficiency of submersible motor, the voltage type active filter and second capacitor are simultaneously
Connection.
In order to further increase the working efficiency of submersible motor, the first capacitor is connected with the inductance, constitutes LC filter
Wave device, the first capacitor ground connection.
Beneficial effect is: the utility model provides a kind of submersible motor power conditioner, can efficiently filter out frequency conversion
Technology bring high-frequency harmonic makes the practical more efficient of submersible motor, safer.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of submersible motor power conditioner described in the utility model；
Fig. 2 is a kind of active power filter structure signal of submersible motor power conditioner described in the utility model
Figure；
Fig. 3 is a kind of main circuit structure schematic diagram of submersible motor power conditioner described in the utility model.
The reference numerals are as follows:
1, power supply；2, frequency converter；3, Active Power Filter-APF；4, submersible motor；5, main circuit；6, driving circuit；7,DSP
Control circuit；8, A/D converter；9, detection circuit；10, inductance；11, first capacitor；12, the second capacitor；13, voltage type active
Filter.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, a kind of submersible motor power conditioner, including it is frequency converter 2, Active Power Filter-APF 3, latent
Oily motor 4, main circuit 5, DSP control circuit 7, detection circuit 9,2 two sides of frequency converter are provided with power supply 1 and Active Power Filter-APF
3, Active Power Filter-APF 3 includes main circuit 5, and main circuit 5 includes voltage type active filter 13, voltage type active filter 13
Be lost it is less, it is high-efficient, be the main circuit structure that most active filters use both at home and abroad at present, voltage type active filtering
13 side of device is provided with the second capacitor 12, and driving circuit 6 is provided with below main circuit 5, and 6 side of driving circuit is provided with DSP control
Circuit 7 processed, DSP control circuit 7 use 32 fixed DSP TMS 320F2812 chips, handle digital signal, DSP control
7 side of circuit processed is provided with A/D converter 8, converts analog signals into digital signal, detection is provided with above A/D converter 8
Circuit 9 detects load current, and 9 side of detection circuit is provided with inductance 10, first capacitor 11 is provided with below inductance 10, active
3 side of electric-power filter is provided with submersible motor 4.
In above structure, in above structure, frequency converter 2 exports electric current, frequency converter 2 far from 1 side of power supply outflow frequency converter 2
Output electric current and compensation electric current are summed into as load current, and load current flows into detection circuit 9, and 9 real-time detection of detection circuit is negative
The harmonic current components and fundamental reactive current, the analog current signal that A/D converter 8 will test carried in electric current are converted to number
Digital signal is sent into DSP control circuit 7 by word signal, DSP control circuit 7 using most advanced, function on current international market most
32 powerful fixed DSP TMS 320F2812 chips, it not only has digital signal processing capability, but also has powerful event pipe
Reason ability and embedded Control function, particularly suitable for the observing and controlling occasion for thering is mass data to handle, DSPTMS320F2812 chip
Digital signal is handled, harmonic current components and fundamental reactive current are separated, driving circuit 6 obtains corresponding pulsewidth tune
(PWM) signal is made, and sends out the driving pulse of pwm signal form to main circuit 5, main circuit 5 generates and original harmonic current width
It is worth equal, opposite in phase compensation electric current, flows into frequency converter 2 and export in electric current, filters out harmonic wave function to realize.
In order to further increase the working efficiency of submersible motor 4, main circuit 5 is connected with driving circuit 6, driving circuit 6 with
DSP control circuit 7 is connected, and DSP control circuit 7 is connected with A/D converter 8, and A/D converter 8 is connected with detection circuit 9, voltage
Type active filter 13 is in parallel with the second capacitor 12, and first capacitor 11 is connected with inductance 10, constitutes LC filter, to circuit entirety
It shields, first capacitor 11 is grounded.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for
For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model
Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of submersible motor power conditioner, it is characterised in that: including frequency converter, Active Power Filter-APF, submersible motor,
Main circuit, DSP control circuit, detection circuit, the frequency converter two sides are provided with power supply and the Active Power Filter-APF, described
Active Power Filter-APF includes the main circuit, and the main circuit includes voltage type active filter, the voltage type active filter
Wave device side is provided with the second capacitor, driving circuit is provided with below the main circuit, the driving circuit side setting is
DSP control circuit is stated, DSP control circuit side is provided with A/D converter, is provided with above the A/D converter described
Detection circuit, the detection circuit side are provided with inductance, and first capacitor, the active electric power filter are provided with below the inductance
Wave device side is provided with the submersible motor.
2. a kind of submersible motor power conditioner according to claim 1, it is characterised in that: the main circuit with it is described
Driving circuit series connection.
3. a kind of submersible motor power conditioner according to claim 1, it is characterised in that: the driving circuit and institute
State the series connection of DSP control circuit.
4. a kind of submersible motor power conditioner according to claim 1, it is characterised in that: the DSP control circuit
It connects with the A/D converter.
5. a kind of submersible motor power conditioner according to claim 1, it is characterised in that: the A/D converter with
The detection circuit series connection.
6. a kind of submersible motor power conditioner according to claim 1, it is characterised in that: the voltage type active filter
Wave device is in parallel with second capacitor.
7. a kind of submersible motor power conditioner according to claim 1, it is characterised in that: the first capacitor and institute
State inductance series connection, the first capacitor ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934745.9U CN208241567U (en) | 2018-06-16 | 2018-06-16 | A kind of submersible motor power conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820934745.9U CN208241567U (en) | 2018-06-16 | 2018-06-16 | A kind of submersible motor power conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241567U true CN208241567U (en) | 2018-12-14 |
Family
ID=64574388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820934745.9U Expired - Fee Related CN208241567U (en) | 2018-06-16 | 2018-06-16 | A kind of submersible motor power conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208241567U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768148A (en) * | 2018-06-16 | 2018-11-06 | 福建华宏天城机电设备有限公司 | A kind of submersible motor power conditioner |
-
2018
- 2018-06-16 CN CN201820934745.9U patent/CN208241567U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768148A (en) * | 2018-06-16 | 2018-11-06 | 福建华宏天城机电设备有限公司 | A kind of submersible motor power conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 Termination date: 20190616 |