CN202888949U - Double-power power supply device of active power transducer of power generator - Google Patents
Double-power power supply device of active power transducer of power generator Download PDFInfo
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- CN202888949U CN202888949U CN 201220589001 CN201220589001U CN202888949U CN 202888949 U CN202888949 U CN 202888949U CN 201220589001 CN201220589001 CN 201220589001 CN 201220589001 U CN201220589001 U CN 201220589001U CN 202888949 U CN202888949 U CN 202888949U
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Abstract
The utility model discloses a double-power power supply device of an active power transducer of a power generator, belongs to the technical field of power generator equipment, and is used to ensure stable running of the active power transducer of the power generator. The technical scheme in the power supply device is as follows: the power supply device comprises two power supplies, each power supply is connected with a primary pole of a reducing transformer, a secondary pole of which is respectively connected with input ends of two full wave rectifier bridges, the output end of one full wave rectifier bridge is respectively connected with the input ends of two three-terminal integrated voltage stabilizing output circuits, the output end of the other full wave rectifier bridge is respectively connected with the input ends of two linear voltage stabilizing circuits, and the output ends of the two three-terminal integrated voltage stabilizing output circuits and the output ends of the two linear voltage stabilizing circuits respectively output two paths of positive power and two paths of negative power. According to the power supply device disclosed by the utility model, two power supplies are provided, each power supply is capable of providing two paths of power, therefore, when one power supply breaks down, the active power transducer of the power generator can still work normally, power supply reliability of the active power transducer of the power generator is improved, and safe running of a unit can be ensured.
Description
Technical field
The utility model relates to a kind of double loop power supply electric supply installation of generated power transmitter, belongs to the gen-set technical field.
Background technology
Along with improving constantly of automatically adjusting level of generator, the operation stability of generator and reliability also obtain larger guarantee.But in real work, find; the supply power modes that participate at present three road meritorious transmitters of generator adjusting are the single channel Power supply; in case power supply breaks down; three road transmitters are dead electricity simultaneously; this will cause stopping accident; this type of accident occured in some enterprises, had directly affected production.Therefore, in order to improve the operational reliability of generator power transmitter, be necessary the Power supply mode of existing generated power transmitter is improved.
The utility model content
Technical problem to be solved in the utility model provides a kind of double loop power supply electric supply installation of generated power transmitter, and when this device broke down at one road power supply, the generated power transmitter still can normally be moved by another road Power supply.
The technical scheme that solves the problems of the technologies described above is:
A kind of double loop power supply electric supply installation of generated power transmitter, it is comprised of the duplex feeding power supply, comprise a step-down transformer in each road power supply, two full-wave rectification bridges, two three end integrated voltage-stabilized output circuits and two linear voltage-stabilizing circuits, power supply is connected with the elementary of step-down transformer, the secondary of step-down transformer is connected with the input of two full-wave rectification bridges respectively, the output of a full-wave rectification bridge is connected with the input of two three end integrated voltage-stabilized output circuits respectively, the output of another full-wave rectification bridge is connected with the input of two linear voltage-stabilizing circuits respectively, and the output of two three end integrated voltage-stabilized output circuits and two linear voltage-stabilizing circuits is exported respectively two-way positive pole and negative power supply.
The double loop power supply electric supply installation of above-mentioned generated power transmitter, described first via power supply input incoming transport 220V power supply, the second road power supply input access generator PT100V power supply.
The double loop power supply electric supply installation of above-mentioned generated power transmitter, two three end integrated voltage-stabilized output circuits of described duplex feeding power supply and two linear voltage-stabilizing circuits are for sharing, and they are connected with two full-wave rectification bridges of duplex feeding power supply respectively.
The beneficial effects of the utility model are:
The utility model adopts the power supply that supplies power with double circuit, one road power supply input incoming transport 220V power supply, another road power supply input access generator PT100V power supply, each road can provide the power supply that supplies power with double circuit, when the 220V power supply breaks down, the generated power transmitter still can be worked by generator PT power supply, has improved the power supply reliability of generated power transmitter, has improved the unit safety operation level.The utility model is simple in structure, working stability is reliable, can be applicable in the industry.
Description of drawings
Fig. 1 is electric functional-block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Mark is as follows among the figure: first via power supply input 1, the second road power supply input 2, step-down transformer 3, step-down transformer 4, full-wave rectification bridge 5, full-wave rectification bridge 6, full-wave rectification bridge 7, full-wave rectification bridge 8, three end integrated voltage-stabilized output circuits 9, three end integrated voltage-stabilized output circuits 10, linear voltage-stabilizing circuit 11, linear voltage-stabilizing circuit 12.
Embodiment
In generating equipment; generator PT refers to the voltage transformer of generator outlet place installing, and voltage transformer pt becomes small voltage with large voltage, is convenient for measuring, protection and secondary device standardization; be actually a special step-down transformer, general secondary side voltage is about 100V.The input sending and receiving motor PT100V voltage of wherein one road power supply of the present utility model.
Show among the figure, the utility model is comprised of the duplex feeding power supply.First via power supply input 1 incoming transport 220V power supply, the 2 access generator PT100V power supplies of the second road power supply input.
Show among the figure, the utility model comprises step-down transformer 3, step-down transformer 4, full-wave rectification bridge 5, full-wave rectification bridge 6, full-wave rectification bridge 7, full-wave rectification bridge 8, three end integrated voltage-stabilized output circuits 9, three end integrated voltage-stabilized output circuits 10, linear voltage-stabilizing circuit 11, linear voltage-stabilizing circuit 12.
First via power supply input 1 is protected subsequent conditioning circuit in power input cross-over connection one piezo-resistance.First via power supply input 1 is connected with step-down transformer 3, deliver to full-wave rectification bridge 5 and full-wave rectification bridge 7 after the transformation, full-wave rectification bridge 5 is connected with three end integrated voltage-stabilized output circuits 9, three end integrated voltage-stabilized output circuits 10, full-wave rectification bridge 7 is connected with linear voltage-stabilizing circuit 11, linear voltage-stabilizing circuit 12, what three end integrated voltage-stabilized output circuits 9 were exported is cathode power supply, what three end integrated voltage-stabilized output circuits 10 were exported is negative power supply, and what linear voltage-stabilizing circuit 11 was exported is the negative power supply that is of cathode power supply, linear voltage-stabilizing circuit 12 outputs.
The the second road power supply input 2 is protected subsequent conditioning circuit in power input cross-over connection one piezo-resistance.The the second road power supply input 2 is connected with step-down transformer 4, deliver to full-wave rectification bridge 6 and full-wave rectification bridge 8 after the transformation, full-wave rectification bridge 6 is connected with three end integrated voltage-stabilized output circuits 9, three end integrated voltage-stabilized output circuits 10, full-wave rectification bridge 8 is connected with linear voltage-stabilizing circuit 11, linear voltage-stabilizing circuit 12, what three end integrated voltage-stabilized output circuits 9 were exported is cathode power supply, what three end integrated voltage-stabilized output circuits 10 were exported is negative power supply, and what linear voltage-stabilizing circuit 11 was exported is the negative power supply that is of cathode power supply, linear voltage-stabilizing circuit 12 outputs.
In foregoing circuit, behind the direct current process high and low frequency two stage filter of exporting after full- wave rectification bridge 5,6,7,8 rectifications, filtering spike wherein is transported to three end integrated voltage-stabilized output circuits 9,10, through behind the voltage-stabiliser tube, the direct current that output voltage is constant, with electric capacity power supply is carried out high frequency, low frequency filtering again, to obtain the less DC power supply of ripple content, deliver to linear voltage-stabilizing circuit 11,12, after the arrangement voltage stabilizing, outside output cathode voltage and cathode voltage.
Show among the figure, the subelement that an embodiment of the present utility model adopts is as follows:
Step-down transformer 3, step-down transformer 4 are SL9-F182;
Three end integrated voltage-stabilized output circuits 9 are LM7815, and three end integrated voltage-stabilized output circuits 10 are LM7908;
Linear voltage-stabilizing circuit 11 is L317, and linear voltage-stabilizing circuit 12 is LM337.
In enforcement of the present utility model, the transformer of duplicate supply transmitter power supply has different taps, can access different electric pressures.In order to reduce improvement cost, while easy-to-connect, the special generator PT power voltage supply mode that adopts.But this mode will be considered generator PT capacity, in order to reduce generator PT burden, the two-way in three road transmitters is adopted duplicate supply, and another road still is single supply.Because it is three to get middle mode that generator regulate to adopt power signal, as long as there is like this two-way transmitter can normally move the safe operation that will guarantee unit.Such one can reduce cost, and two can not affect the normal operation of generator PT, improve simultaneously the safety operation level of unit.
Claims (3)
1. the double loop power supply electric supply installation of a generated power transmitter, it is characterized in that: it is comprised of the duplex feeding power supply, comprise a step-down transformer in each road power supply, two full-wave rectification bridges, two three end integrated voltage-stabilized output circuits and two linear voltage-stabilizing circuits, power supply is connected with the elementary of step-down transformer, the secondary of step-down transformer is connected with the input of two full-wave rectification bridges respectively, the output of a full-wave rectification bridge is connected with the input of two three end integrated voltage-stabilized output circuits respectively, the output of another full-wave rectification bridge is connected with the input of two linear voltage-stabilizing circuits respectively, and the output of two three end integrated voltage-stabilized output circuits and two linear voltage-stabilizing circuits is exported respectively two-way positive pole and negative power supply.
2. the double loop power supply electric supply installation of generated power transmitter according to claim 1 is characterized in that: described first via power supply input incoming transport 220V power supply, the second road power supply input access generator PT100V power supply.
3. the double loop power supply electric supply installation of generated power transmitter according to claim 1 and 2, it is characterized in that: two three end integrated voltage-stabilized output circuits of described duplex feeding power supply and two linear voltage-stabilizing circuits are for sharing, and they are connected with two full-wave rectification bridges of duplex feeding power supply respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220589001 CN202888949U (en) | 2012-11-09 | 2012-11-09 | Double-power power supply device of active power transducer of power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220589001 CN202888949U (en) | 2012-11-09 | 2012-11-09 | Double-power power supply device of active power transducer of power generator |
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| Publication Number | Publication Date |
|---|---|
| CN202888949U true CN202888949U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220589001 Expired - Fee Related CN202888949U (en) | 2012-11-09 | 2012-11-09 | Double-power power supply device of active power transducer of power generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280993A (en) * | 2013-04-24 | 2013-09-04 | 南京懋德智慧能源有限公司 | AC (alternating current) power supply unit of distribution network automation terminal equipment |
| CN106787731A (en) * | 2017-02-15 | 2017-05-31 | 天水七四九电子有限公司 | A kind of positive negative output voltage suppression circuit and method |
-
2012
- 2012-11-09 CN CN 201220589001 patent/CN202888949U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280993A (en) * | 2013-04-24 | 2013-09-04 | 南京懋德智慧能源有限公司 | AC (alternating current) power supply unit of distribution network automation terminal equipment |
| CN106787731A (en) * | 2017-02-15 | 2017-05-31 | 天水七四九电子有限公司 | A kind of positive negative output voltage suppression circuit and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |