CN205195543U - Rod control system's power supply unit - Google Patents
Rod control system's power supply unit Download PDFInfo
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- CN205195543U CN205195543U CN201521063111.3U CN201521063111U CN205195543U CN 205195543 U CN205195543 U CN 205195543U CN 201521063111 U CN201521063111 U CN 201521063111U CN 205195543 U CN205195543 U CN 205195543U
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- supply unit
- power
- active load
- electronic device
- control system
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Abstract
The utility model discloses a rod control system's power supply unit, including power electronic device return circuit, active load, the input and the input of this active load in this power electronic device return circuit are connected, and this power supply unit still includes a power filter circuit, and this power filter circuit sets up between power electronic device return circuit and this active load line. The utility model discloses a most harmonic in the power filter circuit ability filtering circuit, and can overcome the noise problem in the circuit, improved the power quality effectively, guaranteed the reliability service of nuclear power station.
Description
Technical field
The utility model belongs to electronic technology field, particularly a kind of supply unit of rod control system.
Background technology
Nuclear power plant's rod control system is the visual plant ensureing that reactor safety is run, and supply unit is as the critical electrical equipment in rod control system, and its quality, directly affects the safety of nuclear power station, reliability service.Generally rectification function is realized with device for high-power power electronic controllable silicon in rod control system, due to the change of current of the device for high-power power electronic such as controllable silicon, huge disturbance can be caused to supply voltage, as shown in Figure 1, there is recess in supply voltage, waveform serious distortion.And controllable silicon place current supply circuit is also taken from the power supply controlling power supply, namely the control power supply of rod control system and controllable silicon are operated in same supply line, and control power supply is generally made up of inductor device such as transformer etc., under supply voltage interference effect, a large amount of noise can be produced, even can affect it time serious normally to work, thus threaten the normal operation of whole device and even nuclear power plant.
For solving the problem, prior art is generally developed voluntarily and is controlled power supply, and in order to filtering harmonic wave, need increase large bulk capacitance, inductance component in control power supply, this way can improve the disturbance of interference power, but cannot overcome noise problem.And after self-control control power supply increase large bulk capacitance, inductance, cause controlling power volume and increase, and also be not as high as outsourcing special power source producer finished product reliability in performance.
Utility model content
The technical problems to be solved in the utility model is that the supply unit of rod control system in order to overcome prior art exists interference and noise problem and self-control control power supply causes its bulky defect, provides a kind of supply unit of rod control system.
The utility model solves above-mentioned technical problem by following technical proposals:
A kind of supply unit of rod control system, comprise power electronic device loop, active load, the input in this power electronic device loop is connected with the input of this active load, its feature is, this supply unit also comprises an electric source filter circuit, and this electric source filter circuit is arranged between power electronic device loop and this active load line.
Preferably, this electric source filter circuit comprises protective resistance, rectifier and filter capacitor; An input of this rectifier is connected this protective resistance be connected to the input in this power electronic device loop, and another input of this rectifier is connected to another input in this power electronic device loop; The output of this rectifier this filter capacitor in parallel is also connected with the input of this active load.
Preferably, this rectifier is diode rectifier bridge.
Preferably, this filter capacitor is for there being electrode capacitance, and this has, and the positive pole of electrode capacitance is connected with the positive pole of this active load, negative pole is connected with the negative pole of this active load.
Preferably, this active load is for controlling power supply.
Positive progressive effect of the present utility model is: the harmonic wave that supply unit of the present utility model is caused by the interference of the electric source filter circuit most of filtering power electronic device of energy to supply voltage, and the noise problem that can overcome in circuit, the utility model effectively improves power quality, ensure that the safety of nuclear power station, reliability service.The utility model without the need to increasing large bulk capacitance, inductance component in control power supply.And the electric source filter circuit in the utility model can connect all kinds of control power supply, thus control power supply can the finished product of outsourcing special power source producer, reliability is high.
Accompanying drawing explanation
Fig. 1 is a certain phase waveform figure of the power supply circuits output voltage not using the supply unit of the present embodiment.
Fig. 2 is the circuit diagram of the supply unit of the rod control system of the utility model one preferred embodiment.
Fig. 3 is the oscillogram of the output voltage through electric source filter circuit of the supply unit using the present embodiment.
Embodiment
As shown in Figure 2, a kind of supply unit of rod control system, comprises power electronic device loop 1, active load to specific embodiment of the utility model, and in the present embodiment, this active load is for controlling power supply 2.The input in power electronic device loop 1 is connected with the input of active load, and this supply unit also comprises an electric source filter circuit 3, and this electric source filter circuit 3 is arranged between power electronic device loop 1 and active load line.
In the present embodiment, electric source filter circuit 3 comprises protective resistance R1, rectifier and filter capacitor C1.Rectifier is diode rectifier bridge; be made up of 4 rectifier diodes D1, D2, D3, D4; the negative electrode of D1 with D2 is connected; the anode of D3 with D4 is connected; the anode of D1 be connected with the negative electrode of D3 and the node be connected as rectifier input series connection protective resistance R1 and be connected to the input in power electronic device loop 1, the anode of D2 is connected with the negative electrode of D4 and the node be connected is connected to another input in power electronic device loop 1 as another input of rectifier.Filter capacitor C1 is for there being electrode capacitance, and filter capacitor C1 is connected in parallel on the output of rectifier, and the positive pole of filter capacitor C1 is connected with the positive pole controlling power supply 2, and the negative pole of filter capacitor C1 is connected with the negative pole controlling power supply 2.
In use procedure, by the leading-out terminal of this supply unit access power supply circuits 4, as shown in Figure 2, namely two leading-out terminals of power supply circuits 4 access two nodes that power electronic device loop 1 is connected with electric source filter circuit 3 respectively.Through the rectifying and wave-filtering of electric source filter circuit 3, the output voltage waveforms of supply unit as shown in Figure 3, as can be seen from the figure, mains voltage waveform is without recess, the harmonic wave caused because of the interference of power electronic device to supply voltage is by filtering, and this supply unit can overcome the noise problem in circuit, effectively improves power quality, ensure that the safety of nuclear power station, reliability service.
Although the foregoing describe embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection range of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection range of the present utility model.
Claims (5)
1. the supply unit of a rod control system, comprise power electronic device loop, active load, the input in this power electronic device loop is connected with the input of this active load, it is characterized in that, this supply unit also comprises an electric source filter circuit, and this electric source filter circuit is arranged between this power electronic device loop and this active load line.
2. the supply unit of rod control system as claimed in claim 1, it is characterized in that, this electric source filter circuit comprises protective resistance, rectifier and filter capacitor; An input of this rectifier is connected this protective resistance be connected to the input in this power electronic device loop, and another input of this rectifier is connected to another input in this power electronic device loop; The output of this rectifier this filter capacitor in parallel is also connected with the input of this active load.
3. the supply unit of rod control system as claimed in claim 2, it is characterized in that, this rectifier is diode rectifier bridge.
4. the supply unit of rod control system as claimed in claim 2, it is characterized in that, this filter capacitor is for there being electrode capacitance, and this has, and the positive pole of electrode capacitance is connected with the positive pole of this active load, negative pole is connected with the negative pole of this active load.
5. the supply unit of rod control system as claimed in claim 1, is characterized in that, this active load is for controlling power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521063111.3U CN205195543U (en) | 2015-12-17 | 2015-12-17 | Rod control system's power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521063111.3U CN205195543U (en) | 2015-12-17 | 2015-12-17 | Rod control system's power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205195543U true CN205195543U (en) | 2016-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521063111.3U Active CN205195543U (en) | 2015-12-17 | 2015-12-17 | Rod control system's power supply unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205195543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899200A (en) * | 2015-12-17 | 2017-06-27 | 上海昱章电气成套设备有限公司 | The supply unit of rod control system |
-
2015
- 2015-12-17 CN CN201521063111.3U patent/CN205195543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899200A (en) * | 2015-12-17 | 2017-06-27 | 上海昱章电气成套设备有限公司 | The supply unit of rod control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201612 building 7, 800 Jindu West Road, Xinqiao Town, Songjiang District, Shanghai Patentee after: Shanghai Yuzhang Electric Co.,Ltd. Address before: 201612 building 7, 800 Jindu West Road, Xinqiao Town, Songjiang District, Shanghai Patentee before: SHANGHAI REGEON ELECTRIC Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 201612 building 6, No. 901, Xinge Road, Xinqiao Town, Songjiang District, Shanghai Patentee after: Shanghai Yuzhang Electric Co.,Ltd. Address before: 201612 building 7, 800 Jindu West Road, Xinqiao Town, Songjiang District, Shanghai Patentee before: Shanghai Yuzhang Electric Co.,Ltd. |