CN106899200A - The supply unit of rod control system - Google Patents
The supply unit of rod control system Download PDFInfo
- Publication number
- CN106899200A CN106899200A CN201510954883.4A CN201510954883A CN106899200A CN 106899200 A CN106899200 A CN 106899200A CN 201510954883 A CN201510954883 A CN 201510954883A CN 106899200 A CN106899200 A CN 106899200A
- Authority
- CN
- China
- Prior art keywords
- supply unit
- input
- electronic devices
- control system
- active load
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Emergency Protection Circuit Devices (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of supply unit of rod control system, including power electronic devices loop, active load, the input in the power electronic devices loop is connected with the input of the active load, the supply unit also includes an electric source filter circuit, and the electric source filter circuit is arranged between power electronic devices loop and the active load line.Most of harmonic wave in electric source filter circuit energy filtering circuit of the invention, and the noise problem in circuit can be overcome, effectively improve power quality, it is ensured that the reliability service of nuclear power station.
Description
Technical field
The invention belongs to electronic technology field, more particularly to a kind of supply unit of rod control system.
Background technology
Nuclear power plant's rod control system is the visual plant for ensureing reactor safety operation, and supply unit is used as rod control
Critical electrical equipment in system, its quality directly affects the safe and reliable operation of nuclear power station.
Rectification function typically is realized with device for high-power power electronic controllable silicon in rod control system, due to controllable silicon
Deng the change of current of device for high-power power electronic, huge disturbance can be caused to supply voltage, as shown in figure 1,
There is recess, waveform serious distortion in supply voltage.And control the power supply of power supply to be supplied where also taking from controllable silicon
The control power supply of electrical circuit, i.e. rod control system is operated in same supply line, and control power supply with controllable silicon
Typically it is made up of inductor device such as transformer etc., under supply voltage interference effect, can produces and largely make an uproar
Sound, even its normal work can be influenceed when serious, so as to threaten the normal of whole device or even nuclear power plant
Operation.
To solve the above problems, prior art typically voluntarily develops control power supply, in order to filter harmonic wave, needs
Increase large bulk capacitance, inductance component in power supply is controlled, this way can improve disturbing for interference power
It is dynamic, but noise problem cannot be overcome.And after self-control control power supply increases large bulk capacitance, inductance, lead
Control power volume increase is caused, and also be not as high as outsourcing special power source producer finished product reliability in performance.
The content of the invention
The technical problem to be solved in the present invention is to overcome the supply unit of the rod control system of prior art
In the presence of interference and noise problem and self-control control power supply cause its bulky defect, there is provided a kind of rod control system
The supply unit of system.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of supply unit of rod control system, including power electronic devices loop, active load, the electric power
The input in electronic device loop is connected with the input of the active load, and its feature is that the power supply is filled
Putting also includes an electric source filter circuit, and the electric source filter circuit is arranged at power electronic devices loop and this to be had
Between source load line.
It is preferred that the electric source filter circuit includes protective resistance, rectifier and filter capacitor；The rectifier
An input connect and the protective resistance and be connected to the input in the power electronic devices loop,
Another input of the rectifier is connected to another input in the power electronic devices loop；The rectification
Output end parallel connection filter capacitor of device is simultaneously connected with the input of the active load.
It is preferred that the rectifier is diode rectifier bridge.
It is preferred that the filter capacitor is to there is electrode capacitance, and this has the positive pole and the active load of electrode capacitance
Positive pole connection, negative pole are connected with the negative pole of the active load.
It is preferred that the active load is control power supply.
Positive effect of the invention is：Supply unit of the invention can be big by electric source filter circuit
The harmonic wave that interference of the partial filtration power electronic devices to supply voltage causes, and making an uproar in circuit can be overcome
Mail is inscribed, and the present invention effectively improves power quality, it is ensured that the safe and reliable operation of nuclear power station.
The present invention in power supply is controlled without increasing large bulk capacitance, inductance component.And the power supply filter in the present invention
Wave circuit can connect all kinds of control power supplys, thus control power supply can with the finished product of outsourcing special power source producer,
Reliability is high.
Brief description of the drawings
Fig. 1 is a certain phase waveform figure of the power supply circuit output voltage of the supply unit that the present embodiment is not used.
Fig. 2 is the circuit diagram of the supply unit of the rod control system of a preferred embodiment of the present invention.
Fig. 3 is the oscillogram using the output voltage through electric source filter circuit of the supply unit of the present embodiment.
Specific embodiment
Name preferred embodiment, and become apparent from intactly illustrating the present invention with reference to accompanying drawing.
Specific embodiment of the invention is as shown in Fig. 2 a kind of supply unit of rod control system, including electric power
Electronic device loop 1, active load, in the present embodiment, the active load is control power supply 2.Electric power
The input in electronic device loop 1 is connected with the input of active load, and the supply unit also includes an electricity
Power filter 3, the electric source filter circuit 3 is arranged at power electronic devices loop 1 and active load connects
Between line.
In the present embodiment, electric source filter circuit 3 includes protective resistance R1, rectifier and filter capacitor C1.
Rectifier is diode rectifier bridge, is made up of 4 commutation diodes D1, D2, D3, D4, D1 and
The negative electrode of D2 is connected, and D3 is connected with the anode of D4, and the anode of D1 is connected and connected with the negative electrode of D3
Node as rectifier an input series connection protective resistance R1 and be connected to power electronic devices return
One input on road 1, the anode of D2 is connected with the negative electrode of D4 and connected node is used as rectifier
Another input is connected to another input in power electronic devices loop 1.Filter capacitor C1 is have
Electrode capacitance, filter capacitor C1 is connected in parallel on the output end of rectifier, and filter capacitor C1 positive pole and control
The positive pole connection of power supply processed 2, the negative pole of filter capacitor C1 is connected with the negative pole of control power supply 2.
During use, the supply unit is accessed the leading-out terminal of power supply circuit 4, as shown in Fig. 2 i.e.
Two leading-out terminals of power supply circuit 4 are respectively connected to power electronic devices loop 1 and electric source filter circuit 3 connects
Two nodes for connecing.By the rectifying and wave-filtering of electric source filter circuit 3, the output voltage waveforms of supply unit
As shown in figure 3, it can be seen that mains voltage waveform is without recess, because of power electronic devices pair
The harmonic wave that the interference of supply voltage causes has been filtered out, and the supply unit can overcome the noise in circuit to ask
Topic, effectively improves power quality, it is ensured that the safe and reliable operation of nuclear power station.
Although the foregoing describing specific embodiment of the invention, those skilled in the art should manage
Solution, this is merely illustrative of, and protection scope of the present invention is defined by the appended claims.Ability
The technical staff in domain, can be to these implementation methods on the premise of without departing substantially from principle of the invention and essence
Various changes or modifications are made, but these changes and modification each fall within protection scope of the present invention.
Claims (5)
1. a kind of supply unit of rod control system, including power electronic devices loop, active load, should
The input in power electronic devices loop is connected with the input of the active load, it is characterised in that the electricity
Source device also includes an electric source filter circuit, and the electric source filter circuit is arranged at the power electronic devices loop
And the active load line between.
2. the supply unit of rod control system as claimed in claim 1, it is characterised in that the power supply is filtered
Wave circuit includes protective resistance, rectifier and filter capacitor；One input of the rectifier is connected the guarantor
Protect resistance and be connected to an input in the power electronic devices loop, another input of the rectifier
It is connected to another input in the power electronic devices loop；The filtering in parallel of the output end of the rectifier
Electric capacity is simultaneously connected with the input of the active load.
3. the supply unit of rod control system as claimed in claim 2, it is characterised in that the rectifier
It is diode rectifier bridge.
4. the supply unit of rod control system as claimed in claim 2, it is characterised in that the filtered electrical
Hold to there is an electrode capacitance, and this there is the positive pole of electrode capacitance to be connected with the positive pole of the active load, negative pole and this have
The negative pole connection of source load.
5. the supply unit of rod control system as claimed in claim 1, it is characterised in that this is active negative
It is control power supply to carry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954883.4A CN106899200A (en) | 2015-12-17 | 2015-12-17 | The supply unit of rod control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954883.4A CN106899200A (en) | 2015-12-17 | 2015-12-17 | The supply unit of rod control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106899200A true CN106899200A (en) | 2017-06-27 |
Family
ID=59189530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510954883.4A Pending CN106899200A (en) | 2015-12-17 | 2015-12-17 | The supply unit of rod control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106899200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648835A (en) * | 2018-04-28 | 2018-10-12 | 中广核研究院有限公司 | A kind of control rod driving system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822238A (en) * | 2006-01-10 | 2006-08-23 | 上海浦核科技有限公司 | Driving circuit for nuclear power station reactor control stick |
| CN101162873A (en) * | 2007-08-28 | 2008-04-16 | 冯筠荪 | Pressure regulating on-off circuit |
| CN102694477A (en) * | 2012-06-14 | 2012-09-26 | 邹溪 | High-voltage alternating current power supply, low-voltage alternating current power supply and low-voltage direct current power supply common-base circuit |
| CN202663316U (en) * | 2012-06-14 | 2013-01-09 | 邹溪 | Circuit with three common-grounded power supplies of high voltage alternating current, low voltage alternating current and low voltage direct current |
| CN104616705A (en) * | 2015-01-09 | 2015-05-13 | 中科华核电技术研究院有限公司 | Control system for reactor control rods |
| CN205195543U (en) * | 2015-12-17 | 2016-04-27 | 上海昱章电气成套设备有限公司 | Rod control system's power supply unit |
-
2015
- 2015-12-17 CN CN201510954883.4A patent/CN106899200A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822238A (en) * | 2006-01-10 | 2006-08-23 | 上海浦核科技有限公司 | Driving circuit for nuclear power station reactor control stick |
| CN101162873A (en) * | 2007-08-28 | 2008-04-16 | 冯筠荪 | Pressure regulating on-off circuit |
| CN102694477A (en) * | 2012-06-14 | 2012-09-26 | 邹溪 | High-voltage alternating current power supply, low-voltage alternating current power supply and low-voltage direct current power supply common-base circuit |
| CN202663316U (en) * | 2012-06-14 | 2013-01-09 | 邹溪 | Circuit with three common-grounded power supplies of high voltage alternating current, low voltage alternating current and low voltage direct current |
| CN104616705A (en) * | 2015-01-09 | 2015-05-13 | 中科华核电技术研究院有限公司 | Control system for reactor control rods |
| CN205195543U (en) * | 2015-12-17 | 2016-04-27 | 上海昱章电气成套设备有限公司 | Rod control system's power supply unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108648835A (en) * | 2018-04-28 | 2018-10-12 | 中广核研究院有限公司 | A kind of control rod driving system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170627 |