CN208489690U - A kind of become based on high factory has the voltage-regulating system for carrying transformer - Google Patents
A kind of become based on high factory has the voltage-regulating system for carrying transformer Download PDFInfo
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- CN208489690U CN208489690U CN201820526514.4U CN201820526514U CN208489690U CN 208489690 U CN208489690 U CN 208489690U CN 201820526514 U CN201820526514 U CN 201820526514U CN 208489690 U CN208489690 U CN 208489690U
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Abstract
The utility model discloses a kind of become based on high factory the voltage-regulating system for carrying transformer, comprising: external dc power and automatic pressure regulating device；Power switch is set between the external dc power and automatic pressure regulating device, device, which is automatically performed, after power switch closes works on power；Automatic pressure regulating device includes: forceful electric power input circuit, light current input circuit, analog input circuit, outlet loop, outputs signal circuit and CUP logic card；Forceful electric power input circuit, analog input circuit, outlet loop, is outputed signal circuit and is connect respectively with CUP logic card light current input circuit.The utility model reduces the operation of operations staff, reduces the possibility of maloperation, and the degree of automation is higher, more extensive to the maintenance of service power voltage.
Description
Technical field
Become automatic Regulation technical field the utility model relates to high factory more particularly to a kind of high factory becomes automatic voltage regulating system.
Background technique
High factory in general power plant becomes or opens standby change setting on-load voltage regulating switch or is not provided with on-load voltage regulating switch, but electricity
Factory is often not concerned with influence of the service power voltage to set auxiliary machinery, when service power voltage is excessively high or too low, adjusts not in time
Load tap changer will result in subsidiary engine in this way and run under improper voltage, influence the normal operation and service life of subsidiary engine,
It causes damages to house-service equipment.But with the fast development of automatic technology, automation control, factory are also gradually realized in power plant
Utilization voltage also will gradually realize automation control, reduce the influence of human factor, keep service power voltage steady, it is ensured that station-service
The safe and stable operation of subsidiary engine.
Existing automatic voltage regulating system can only be concerned about next stage, ignore the voltage fluctuation of lower-level, such as existing power generation
The voltage-regulating system of factory only focuses on the voltage of 10kV or 6kV, ignores the voltage influence of 400V.
Utility model content
To solve the above-mentioned problems, the utility model, which provides a kind of become based on high factory, the novel voltage-regulating system for carrying transformer
System and method, solve the problems, such as that Auxiliary System in Power Plant voltage fluctuation is brought, and reduce human intervention link, realize power plant
Utilization voltage automatic adjustment, the high factory suitable for all power plant become or open standby change system.
To achieve the above object, the utility model adopts the following technical solutions:
The utility model discloses a kind of become based on high factory the novel voltage-regulating system for carrying transformer, comprising: external dc
Power supply and automatic pressure regulating device；Power switch is set between the external dc power and automatic pressure regulating device, works as power switch
It closes rear device and is automatically performed and work on power；
The automatic pressure regulating device includes: forceful electric power input circuit, light current input circuit, analog input circuit, exports back
Signal circuit and CUP logic card are outputed in road；
The forceful electric power input circuit, analog input circuit, outlet loop, outputs signal circuit point at light current input circuit
It is not connect with CUP logic card.
Further, the forceful electric power input circuit includes: A section incoming breaker coincidence branch, the B sections of inlet wires being connected in parallel
Breaker coincidence branch, automatic Regulation investment branch, automatic Regulation exit branch, external locking is opened into branch, a distant place/multiple on the spot
Branch, on-load voltage regulating switch fault branch, on-load voltage regulating switch distant place mode branch, high factory is returned to become high side switch coincidence branch
Road, manual voltage boosting branch and it is depressured branch manually.
Further, the light current input circuit includes: the 10kVA sections of voltage branches of throwing being connected in parallel, throws 10kV B sections
Voltage branch throws A sections of voltage branches of steam turbine PC, throws B sections of voltage branches of steam turbine PC, throw A sections of voltage branches of boiler PC, throw pot
B sections of voltage branches of furnace PC throw inspecting state and printing branch.
Further, the analog input circuit includes: that the high factory being connected in parallel becomes high-pressure side A phase, B phase, C phase and N
Phase voltage branch, A sections of bus A phase, B phase, C phases and N phase voltage branch, B sections of bus A phase, B phase, C phases and N phase voltage branch, vapour
A sections of bus A phase, B phase, C phases of machine PC and N phase voltage branch, B sections of bus A phase, B phase, C phases of steam turbine PC and N phase voltage branch,
PCA sections of bus A phase, B phase, C phases of boiler and N phase voltage branch, B sections of bus A phase, B phase, C phases of boiler PC and N phase voltage branch
And high factory becomes high-pressure side A phase, B phase, C phase and N phase current branch.
Further, the outlet loop includes: that the boosting output branch, reduced output voltage branch, locking being connected in parallel are adjusted
Pressure output branch jumps high-pressure side or full cut-off output branch, jumps A branch output branch, jumps B branch output branch, starting A branch
Output branch is cut fastly and output branch is cut fastly by starting B branch.
Further, the signal circuit of outputing includes: that device alarm signal branch, the device connecting respectively with DCS close
Lock signal branch, pressure regulation investment signal branch, pressure regulation are exited signal branch, CT disconnection signal branch, PT disconnection signal branch, are risen
Press signal branch, decompression branch and Voltage unbalance signal branch.
The utility model the utility model has the advantages that
The utility model reduces the operation of operations staff, reduces the possibility of maloperation, and the degree of automation is higher, to factory
The maintenance of utilization voltage is more extensive.
Detailed description of the invention
Fig. 1 is that high factory becomes automatic voltage regulating system electric power loop figure；
Fig. 2 is forceful electric power open entry loop figure；
Fig. 3 is device light current open entry loop figure；
Fig. 4 is unit simulation amount open entry loop figure；
Fig. 5 is device outlet loop figure；
Fig. 6 is that device outputs signal circuit figure.
Specific embodiment:
The utility model is described in further detail with reference to the accompanying drawing.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The conventional formal power supply of power plant system becomes high side switch (or not setting this switch) through high factory by generator outlet
And high factory's change is down to 10kV for electricity consumption in factory.
In order to solve the problems, such as to point out in the utility model background technique, the utility model discloses one kind to be become based on high factory
There is the novel voltage-regulating system for carrying transformer, comprising: external 220V DC power supply and automatic pressure regulating device；External 220V DC power supply
Power switch is set between automatic pressure regulating device, and device, which is automatically performed, after power switch closes works on power；Such as Fig. 1 institute
Show.
Automatic pressure regulating device includes: forceful electric power input circuit, light current input circuit, analog input circuit, outlet loop, opens
Signal circuit and CUP logic card out；
The forceful electric power input circuit, analog input circuit, outlet loop, outputs signal circuit point at light current input circuit
It is not connect with CUP logic card.
Forceful electric power input circuit is as shown in Figure 2, comprising: A section incoming breaker coincidence branch, the B sections of inlet wires being connected in parallel are disconnected
Road device coincidence branch, automatic Regulation investment branch, automatic Regulation exit branch, external locking is opened into branch, a distant place/involution on the spot
Branch, on-load voltage regulating switch fault branch, on-load voltage regulating switch distant place mode branch, high factory become high side switch coincidence branch,
Manual voltage boosting branch and it is depressured branch manually.
Wherein, it opens into B sections of incoming breaker coincidences of 10kVA sections of incoming breaker coincidences and 10kV for differentiating 10kV electricity
Whether pressure puts into, if B sections of incoming breakers of 10kVA sections of incoming breakers and 10kV are quartiles, then exits 10kV and 400V
Voltage criterion does not execute high factory and becomes transformer regulating；If 10kVA sections of incoming breaker coincidences, B sections of incoming breakers of 10kV point
Position then only puts into the voltage criterion of 10kV and 400V；If B sections of incoming breaker coincidences of 10kV, 10kVA sections of incoming breakers point
Position then only puts into the voltage criterion of 10kV and 400V；
The effect opened into " automatic Regulation investment " is: when DCS issues " automatic Regulation investment ", after device receives instruction, and dress
It sets, B sections of that several branch voltage, 10kVA sections of incoming breakers and the 10kV inlet wires specifically put into according to weak electrical loop are breaking
Device position and loaded switch state carry out discriminating whether automatic Regulation.
The effect of " automatic Regulation exits " is: device exits automatic Regulation, can only carry out operation on-load voltage regulating switch manually
Carry out pressure regulation.
The effect of " outside locking open " is no matter to be now in a distant place " automatically after outside has " outside locking open into "
Pressure regulation " or a distant place " manual voltage regulation ", device is all by emergent stopping every operation.
The effect in " distant place/involution on the spot " is all signals of involution and panel of device etc..
The effect of " on-load voltage regulating switch failure " and " on-load voltage regulating switch distant place mode " is: when device checks this two letter
After number thering is any one to receive, device locking remote " automatic Regulation " and " manual voltage regulation ".
The effect of " high factory becomes high side switch coincidence " is: only device receives " high factory becomes high side switch coincidence " ability
Each branch voltage after opening weak electrical loop is effective, and device just can be carried out a distant place " automatic Regulation ", and otherwise device can only be remote
Side's " manual voltage regulation ".
The effect of " manual voltage boosting ", " decompression manually " is: device does not receive " automatic Regulation investment ", is carried out by external hand
High factory becomes the distant place manual operation of loaded switch.
Light current input circuit is as shown in Figure 3, comprising: 10kVA sections of voltage branches of the throwing being connected in parallel throw 10kVB sections of voltages
Branch throws A sections of voltage branches of steam turbine PC, throws B sections of voltage branches of steam turbine PC, throw boiler PCA sections of voltage branch, throw boiler PC B
Section voltage branch throws inspecting state and printing branch.
Open fashionable when device itself receives " throwing 10kVA sections of voltage branches ", device automatically engages 10kVA sections of voltage logics and sentences
According to；
And so on, when receiving " throw 10kV B sections of voltage branch ", open fashionable, device automatically engages B sections of voltages of 10kV and patrols
Collect criterion；Device receive wherein throw 10kVA section voltage branches, throw 10kV B sections of voltage branch, throwing A sections of voltage branches of steam turbine PC,
B sections of voltage branches of steam turbine PC are thrown, A sections of voltage branches of boiler PC is thrown, throws several criterions in B sections of voltage branches of boiler PC, dress
It sets and which voltage logic criterion is just automatically engaged；
Throw inspecting state be device receive this open it is fashionable, device locking, it is believed that device exits, and no matter has any situation at this time
It is failure to actuate the outlet of outputing of device；
Printing is opened into being: fashionable can select printing definite value or action report according to selection when there is printing to open.
Analog input circuit is as shown in Figure 4, comprising: the high factory being connected in parallel becomes high-pressure side A phase, B phase, C phase and N phase electricity
Press branch, A sections of bus A phase, B phase, C phases and N phase voltage branch, B sections of bus A phase, B phase, C phases and N phase voltage branch, steam turbine PC
A sections of bus A phase, B phase, C phases and N phase voltage branch, B sections of bus A phase, B phase, C phases of steam turbine PC and N phase voltage branch, boiler PC
A sections of bus A phase, B phase, C phases and N phase voltage branch, B sections of bus A phase, B phase, C phases of boiler PC and N phase voltage branch and height
Factory becomes high-pressure side A phase, B phase, C phase and N phase current branch.
These analog quantitys by the exchange plug-in unit of device by conventional mutual inductor by being introduced, after external input, through mutual inductance
After device isolated variable, through analog-digital converter, then by CUP timing sampling.Participate in logic judgment.
Outlet loop is as shown in Figure 5, comprising: boosting output branch, reduced output voltage branch, the locking pressure regulating feeding being connected in parallel
Out branch, jump high-pressure side or full cut-off output branch, jump A branch output branch, jump B branch exports branch, starting A branch cuts fastly
Output branch is cut fastly by output branch and starting B branch.
After outlet loop is according to device CUP logic judgment, if you need to execute " boosting ", " decompression " and " locking to loaded switch
The instructions such as pressure regulation output ", or according to logic and definite value judgement attach most importance to failure when, selection executes that " it is disconnected that the high factory of tripping becomes high-pressure side
Road device is opened to generator-transformer protection into full cut-off signal ", tripping 10kVA, B branch circuit breaker and starting 10kVA, B branch high pressure
Station-service is cut fastly by auxiliary Power switching to opening standby change state.
It is as shown in Figure 6 to output signal circuit, comprising: device alarm signal branch, the device locking letter connecting respectively with DCS
Signal branch, CT disconnection signal branch, PT disconnection signal branch, boosting letter are exited in number branch, pressure regulation investment signal branch, pressure regulation
Number branch, decompression branch and Voltage unbalance signal branch.
Output signal circuit prompt operations staff's device operating status at this time, system running state.
It should be noted that the utility model relates to logic control realize that CUP logic card can by CUP logic card
It is directly realized by with the logic card using existing Schneider cpu logic plate or other producers, without improving.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (6)
1. a kind of become based on high factory has the voltage-regulating system for carrying transformer characterized by comprising external dc power and automatic tune
Pressure device；Power switch is set between the external dc power and automatic pressure regulating device, after power switch closes device from
Dynamic completion works on power；
The automatic pressure regulating device includes: forceful electric power input circuit, light current input circuit, analog input circuit, outlet loop, opens
Signal circuit and CUP logic card out；
The forceful electric power input circuit, light current input circuit, analog input circuit, outlet loop, output signal circuit respectively with
The connection of CUP logic card.
2. a kind of become based on high factory as described in claim 1 has the voltage-regulating system for carrying transformer, which is characterized in that the forceful electric power
Input circuit includes: that the A section incoming breaker coincidence branch, B sections of incoming breaker coincidence branches, automatic Regulation being connected in parallel are thrown
Enter branch, automatic Regulation exits branch, external locking is opened into branch, a distant place/on the spot involution branch, on-load voltage regulating switch failure branch
Road, on-load voltage regulating switch distant place mode branch, high factory become high side switch coincidence branch, manual voltage boosting branch and decompression manually
Road.
3. a kind of become based on high factory as described in claim 1 has the voltage-regulating system for carrying transformer, which is characterized in that the light current
Input circuit includes: the 10kVA sections of voltage branches of throwing being connected in parallel, throws 10kV B sections of voltage branch, throws A sections of voltages of steam turbine PC
Branch throws B sections of voltage branches of steam turbine PC, throws A sections of voltage branches of boiler PC, throw B sections of voltage branches of boiler PC, throw maintenance shape
State and printing branch.
4. a kind of become based on high factory as described in claim 1 has the voltage-regulating system for carrying transformer, which is characterized in that the simulation
Amount input circuit include: the high factory that is connected in parallel become high-pressure side A phase, B phase, C phase and N phase voltage branch, A sections of bus A phases, B phase,
C phase and N phase voltage branch, B sections of bus A phase, B phase, C phases and N phase voltage branch, A sections of bus A phase, B phase, C phases of steam turbine PC and N
Phase voltage branch, B sections of bus A phase, B phase, C phases of steam turbine PC and N phase voltage branch, A sections of bus A phase, B phase, C phases of boiler PC and
N phase voltage branch, B sections of bus A phase, B phase, C phases of boiler PC and N phase voltage branch and high factory become high-pressure side A phase, B phase, C phase
And N phase current branch.
5. a kind of become based on high factory as described in claim 1 has the voltage-regulating system for carrying transformer, which is characterized in that the outlet
Circuit includes: the boosting output branch being connected in parallel, reduced output voltage branch, locking pressure regulating feeding out branch, jumps high-pressure side or complete
Stopping transportation out branch, jump A branch output branch, jump B branch output branch, starting A branch cut fastly output branch and starting B branch it is fast
Cut output branch.
6. a kind of become based on high factory as described in claim 1 has the voltage-regulating system for carrying transformer, which is characterized in that described to output
Signal circuit includes: device alarm signal branch, device block signal branch, pressure regulation the investment signal branch connecting respectively with DCS
Signal branch, CT disconnection signal branch, PT disconnection signal branch, boost signal branch, decompression branch and voltage are exited in road, pressure regulation
Unbalanced signal branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820526514.4U CN208489690U (en) | 2018-04-13 | 2018-04-13 | A kind of become based on high factory has the voltage-regulating system for carrying transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820526514.4U CN208489690U (en) | 2018-04-13 | 2018-04-13 | A kind of become based on high factory has the voltage-regulating system for carrying transformer |
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| Publication Number | Publication Date |
|---|---|
| CN208489690U true CN208489690U (en) | 2019-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820526514.4U Expired - Fee Related CN208489690U (en) | 2018-04-13 | 2018-04-13 | A kind of become based on high factory has the voltage-regulating system for carrying transformer |
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| CN (1) | CN208489690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494085A (en) * | 2018-04-13 | 2018-09-04 | 山东中实易通集团有限公司 | It is a kind of to become the voltage-regulating system and method for having and carrying transformer based on high factory |
-
2018
- 2018-04-13 CN CN201820526514.4U patent/CN208489690U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494085A (en) * | 2018-04-13 | 2018-09-04 | 山东中实易通集团有限公司 | It is a kind of to become the voltage-regulating system and method for having and carrying transformer based on high factory |
| CN108494085B (en) * | 2018-04-13 | 2024-04-05 | 山东中实易通集团有限公司 | Voltage regulating system and method based on high-power-plant variable on-load transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190212 Termination date: 20210413 |
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| CF01 | Termination of patent right due to non-payment of annual fee |