CN2911748Y - Digital regulation system of sucking condensing turbine - Google Patents
Digital regulation system of sucking condensing turbine Download PDFInfo
- Publication number
- CN2911748Y CN2911748Y CN 200620071906 CN200620071906U CN2911748Y CN 2911748 Y CN2911748 Y CN 2911748Y CN 200620071906 CN200620071906 CN 200620071906 CN 200620071906 U CN200620071906 U CN 200620071906U CN 2911748 Y CN2911748 Y CN 2911748Y
- Authority
- CN
- China
- Prior art keywords
- output
- unit
- multiplier
- totalizer
- input end
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Turbines (AREA)
Abstract
The utility model discloses a fourth generation digital regulation system of sucking condensing turbine based on the third generation, comprising a power primary unit (1), a rotate speed primary unit (3), a low portal primary unit (4), a flow rate pressure unit (2), a high portal primary unit (5), a low portal synthesis unit (6) and a high portal synthesis unit (7). With the advantages of excellent adjusting quality and reasonable construction, the utility model is favorable for improving the working self-adjustment of the electric power and the heat load.
Description
Technical field
The utility model relates to a kind of Steam Turhine Adjustment control device, and especially a kind of is the numerical control device of object with steam turbine pressure of steam supply, flow, rotating speed, power.Specifically a kind of sucking condensing turbine digital adjusting system.
Background technology
At present, the principle configuration of the existing condensing turbine digital adjusting system that draws gas is characterized in: though used digital regulated technology, the structure computation method of regulating system still adopts old distributing computing method; Its configuration also stays in substantially and adopts rotating speed, pressure two pulses and rotating speed, power, pressure, three pulses.It still is extensive use of at present abroad.
It is imperfect that above-mentioned digital adjusting system is analyzed from the stable aspect of steamer electromechanics, thermal condition operation, mainly be: old distributing computing method, promptly be that system is divided into some unit, module, calculate item by item by the signal transmission procedure simultaneously, revise at last, this method program is loaded down with trivial details, to multipulse steam-extracting type unit, calculate more complicatedly, and lack accuracy.On regulative mode, as the parameter of extraction for heat supply---flow, its regulating action is to rely on the formed static deviation δ of extraction shell pressure variation characteristic
pFinish as the input variable of regulating, as there not being δ
p, the digital operation of main frame then can't be carried out.But the existence of this deviation has caused extraction shell pressure sometimes the off-design ratings to be moved; On the other hand, because of the volume lag factor that is subjected to vaporium, extraction steam pipe influences, the static pressure deviation of drawing gas can not reflect real fluctuations in discharge exactly again, and this is to influence unit from adjusting one of reason of regulation quality.In existing regulating system, rotating speed unit assignment component is manually control, and this will be difficult to realize hot bearing when changing, the whole certainly requirement that electric power is constant.
Summary of the invention
The purpose of this utility model provides a kind of regulation quality sucking condensing turbine digital adjusting system good, rational in infrastructure.
The technical solution of the utility model is:
A kind of sucking condensing turbine digital adjusting system, it is characterized in that it is mainly by power primary unit 1, rotating speed primary unit 3, low door primary unit 4, flow pressure unit 2, wealthy family's primary unit 5, low door comprehensive unit 6 and wealthy family's comprehensive unit 7 are formed, the input end of power primary unit 1 is taken over the moving digital signal (must get through the conversion of A/D change-over circuit) of setting respectively and is reached by the actual power digital signal that records of sensor (getting through the conversion of A/D change-over circuit), an input end of fast primary unit 3 and low door primary unit 4 and wealthy family's primary unit 5 is switched through in the output of power primary unit 1 respectively, the remaining input terminal of rotating speed primary unit 3 is taken over respectively and moving is set digital signal (must get through the conversion of A/D change-over circuit) and by the actual rotating speed digital signal that records of sensor (must change and get through the A/D change-over circuit), the output of rotating speed primary unit 3 connects an input end of low door comprehensive unit 6 and an input end of wealthy family's comprehensive unit 7 respectively, the output of low door comprehensive unit 6 connects low pressure pitch power amplifier end, the output of wealthy family's comprehensive unit 7 connects the input end of high-pressure governing valve power amplifier, the output terminal of another input termination wealthy family primary unit 5 of wealthy family's comprehensive unit 7, the output terminal of one input termination flow pressure unit 2 of wealthy family's primary unit 5, the output terminal of its another input termination power primary unit 1; The input end of flow pressure unit 2 connects the actual flow digital signal (must get through the conversion of A/D change-over circuit) that is recorded by sensor respectively, the actual pressure digital signal that records by sensor (getting) through the conversion of A/D change-over circuit, manual input pressure digital signal (getting) through the conversion of A/D change-over circuit, manual input flow rate signal (getting) through the conversion of A/D change-over circuit, the output one tunnel of flow pressure unit 2 connects an input end of wealthy family's primary unit 5, one the tunnel connects an input end of low door primary unit 4, an input end of the low door of the output termination comprehensive unit 6 of low door primary unit 4.
Wherein:
Described power primary unit 1 mainly is made up of multiplier P1 and totalizer ∑ 1, ∑ 2, power switch T1, the moving setting signal D of input end catcher of totalizer ∑ 1
BN, its another input termination real power supplied with digital signal D
N, D
NConnect the input end of multiplier P1 simultaneously, the output of 1 output of totalizer ∑ and multiplier P1 connects two corresponding input ends of totalizer ∑ 2 respectively, the output of totalizer ∑ 2 connects the input end of power switch T1, and the output terminal of power switch T1 connects an input end of low door primary unit 4, wealthy family's primary unit 5 and rotating speed primary unit 3 respectively.
Described rotating speed primary unit 3 mainly is made up of multiplier P7, P8, P9, P10, totalizer ∑ 7, switch T3, the output terminal of the power switch T1 in the input termination power primary unit 1 of multiplier P8 wherein, the moving setting signal of input end catcher of multiplier P7 (must get) D through the conversion of A/D change-over circuit
The bn hand, the output of multiplier P7, P8 all links to each other with the input end of switch T3, another manual setting signal of the input termination of multiplier P9 (must get through the conversion of A/D change-over circuit) D
Bn, the input termination of multiplier P10 is by the actual rotating speed digital signal that records of speed probe (must get through the conversion of A/D change-over circuit) D
n, the output of multiplier P9, P10 and switch T3 all links to each other with the corresponding input end of totalizer ∑ 7, and the output terminal of totalizer ∑ 7 connects the corresponding input end of low door comprehensive unit 6 and wealthy family's comprehensive unit 7 respectively as the output of rotating speed primary unit 3.
Described flow pressure unit 2 mainly is made up of multiplier P2, P3, P4, P5, P6, totalizer ∑ 3, ∑ 4, switch T2, wherein the actual flow digital signal that recorded by sensor of the input termination of multiplier P2 (must get through the conversion of A/D change-over circuit) D
0, moving digital signal (must the get) D that sets of the input end catcher of multiplier P3 through the conversion of A/D change-over circuit
B0, the actual pressure digital signal that the input termination of multiplier P4 is recorded by sensor (must get) D through the conversion of A/D change-over circuit
P, moving digital signal (must the get) D that sets of the input end catcher of multiplier P5 through the conversion of A/D change-over circuit
BPThe output of multiplier P4, P5 links to each other with the corresponding input end of totalizer ∑ 3, the output terminal of totalizer ∑ 3 links to each other with the input end of multiplier P6, the output terminal of multiplier P2, P3, P6 all links to each other with totalizer ∑ 4 corresponding input end, the input end of the output termination switch T2 of totalizer ∑ 4, the output terminal of switch T2 connects low door primary unit 4 and wealthy family's primary unit 5 corresponding input end respectively as the output terminal of flow pressure unit 2.
Described low door primary unit 4 mainly is made up of multiplier P11, P12, totalizer ∑ 5, wherein an output of the input termination power primary unit 1 of multiplier P11 is the output terminal of switch T1, the output that the input of multiplier P12 connects flow pressure unit 2 is the output terminal of switch T2, the output terminal of multiplier P11, P12 all connects totalizer ∑ 5 corresponding input end, and the output of totalizer ∑ 5 connects an input end of low door comprehensive unit 6 as the output of low door primary unit 4.
Described wealthy family primary unit 5 is mainly by multiplier P13, P14, totalizer ∑ 6 is formed, the input end of multiplier P13 is the output terminal of switch T1 as an output of an input termination power primary unit 1 of wealthy family's primary unit 5, the input of multiplier P14 is the output terminal of switch T2 as an output of importing termination flow pressure unit 2 of wealthy family's primary unit 5 also, multiplier P13, output termination totalizer ∑ 6 corresponding input end of P14, the output of totalizer ∑ 6 connects an input end of wealthy family's comprehensive unit 7 as the output of wealthy family's primary unit 5.
Described low door comprehensive unit 6 mainly is made up of multiplier P15, P16, P17, totalizer ∑ 8, the input end of multiplier P15 is the output of totalizer ∑ 5 as the output of the low door of an input termination primary unit 4 of low door comprehensive unit 6, and the input of multiplier P16 is as moving digital signal (must get through the conversion of the A/D change-over circuit) D that sets of another input catcher of low door comprehensive unit 6
Gb is lowThe input of multiplier P17 is the output terminal of aforementioned totalizer ∑ 7 as the output that the 3rd input end that hangs down door comprehensive unit 6 switches through fast primary unit 3, the output of multiplier P15, P16, P17 connects totalizer ∑ 8 corresponding input ends respectively, and the output of totalizer ∑ 8 connects the input of low pressure pitch power amplifier as the output of whole low door comprehensive unit 6 (must after the D/A conversion).
Described wealthy family comprehensive unit 7 mainly is made up of multiplier P18, P19, P20, totalizer ∑ 9, the input end of multiplier P18 is the output of totalizer ∑ 6 as the output of an input termination wealthy family primary unit 5 of wealthy family's comprehensive unit 7, and the input of multiplier P19 is as moving digital signal (must get through the conversion of the A/D change-over circuit) D that sets of another input catcher of low door comprehensive unit 6
The Gb heightThe input of multiplier P20 is the output terminal of aforementioned totalizer ∑ 7 as the output that the 3rd input end that hangs down door comprehensive unit 6 also switches through fast primary unit 3, the output of multiplier P18, P19, P20 connects totalizer ∑ 9 corresponding input ends respectively, and the output of totalizer ∑ 9 connects the input of high-pressure governing valve power amplifier as the output of whole wealthy family comprehensive unit 7 (must after the D/A conversion).
The beneficial effects of the utility model:
For the main process equipment of the condensing turbine digital adjusting system that draws gas provides a kind of new design.Its configuration structure is reasonable, has rigorous quantitative relation, and its calculating process has globality, so more be applicable to the regulating system of the complicated controlled plant of tool.Taked rotating speed, power, pressure, four kinds of input signals of flow, simultaneously in the flow pressure unit and the rotating speed unit adopted automatic compensation way, in service all have good whole certainly characteristic to electric power and thermal load.
Description of drawings
Fig. 1 is a regulating system structural drawing of the present utility model.
Fig. 2 is the nomogram of expression the utility model Principles of Regulation.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in Figure 1.
A kind of sucking condensing turbine digital adjusting system, it is mainly by power primary unit 1, rotating speed primary unit 3, low door primary unit 4, flow pressure unit 2, wealthy family's primary unit 5, low door comprehensive unit 6 and wealthy family's comprehensive unit 7 are formed, the input end of power primary unit 1 is taken over the moving digital signal (getting through the conversion of A/D change-over circuit) of setting respectively and is reached by the actual power digital signal that records of sensor (getting through the conversion of A/D change-over circuit), an input end of fast primary unit 3 and low door primary unit 4 and wealthy family's primary unit 5 is switched through in the output of power primary unit 1 respectively, the remaining input terminal of rotating speed primary unit 3 is taken over respectively and moving is set digital signal (get through the conversion of A/D change-over circuit) and by the actual rotating speed digital signal that records of sensor (change and get through the A/D change-over circuit), the output of rotating speed primary unit 3 connects an input end of low door comprehensive unit 6 and an input end of wealthy family's comprehensive unit 7 respectively, the output of low door comprehensive unit 6 connects low pressure pitch power amplifier end, the output of wealthy family's comprehensive unit 7 connects the input end of high-pressure governing valve power amplifier, the output terminal of another input termination wealthy family primary unit 5 of wealthy family's comprehensive unit 7, the output terminal of one input termination flow pressure unit 2 of wealthy family's primary unit 5, the output terminal of its another input termination power primary unit 1; The input end of flow pressure unit 2 connects the actual flow digital signal (getting through the conversion of A/D change-over circuit) that is recorded by sensor respectively, the actual pressure digital signal that records by sensor (getting) through the conversion of A/D change-over circuit, manual input pressure digital signal (getting) through the conversion of A/D change-over circuit, manual input flow rate signal (getting) through the conversion of A/D change-over circuit, the output one tunnel of flow pressure unit 2 connects an input end of wealthy family's primary unit 5, one the tunnel connects an input end of low door primary unit 4, an input end of the low door of the output termination comprehensive unit 6 of low door primary unit 4.
During concrete enforcement, above-mentioned:
Described power primary unit 1 mainly is made up of multiplier P1 and totalizer ∑ 1, ∑ 2, power switch T1, the moving setting signal D of input end catcher of totalizer ∑ 1
BN, its another input termination real power supplied with digital signal D
N, D
NConnect the input end of multiplier P1 simultaneously, the output of 1 output of totalizer ∑ and multiplier P1 connects two corresponding input ends of totalizer ∑ 2 respectively, the output of totalizer ∑ 2 connects the input end of power switch T1, and the output terminal of power switch T1 connects an input end of low door primary unit 4, wealthy family's primary unit 5 and rotating speed primary unit 3 respectively.
Described rotating speed primary unit 3 mainly is made up of multiplier P7, P8, P9, P10, totalizer ∑ 7, switch T3, the output terminal of the power switch T1 in the input termination power primary unit 1 of multiplier P8 wherein, the moving setting signal of input end catcher of multiplier P7 (getting) D through the conversion of A/D change-over circuit
The bn hand, the output of multiplier P7, P8 all links to each other with the input end of switch T3, another manual setting signal of the input termination of multiplier P9 (can get through the conversion of A/D change-over circuit) D
Bn, the input termination of multiplier P10 is by the actual rotating speed digital signal that records of speed probe (getting through the conversion of A/D change-over circuit) D
n, the output of multiplier P9, P10 and switch T3 all links to each other with the corresponding input end of totalizer ∑ 7, and the output terminal of totalizer ∑ 7 connects the corresponding input end of low door comprehensive unit 6 and wealthy family's comprehensive unit 7 respectively as the output of rotating speed primary unit 3.
Described flow pressure unit 2 mainly is made up of multiplier P2, P3, P4, P5, P6, totalizer ∑ 3, ∑ 4, switch T2, wherein the actual flow digital signal that recorded by sensor of the input termination of multiplier P2 (can get through the conversion of A/D change-over circuit) D
0, moving digital signal (can the get) D that sets of the input end catcher of multiplier P3 through the conversion of A/D change-over circuit
B0, the actual pressure digital signal that the input termination of multiplier P4 is recorded by sensor (can get) D through the conversion of A/D change-over circuit
P, moving digital signal (can the get) D that sets of the input end catcher of multiplier P5 through the conversion of A/D change-over circuit
BPThe output of multiplier P4, P5 links to each other with the corresponding input end of totalizer ∑ 3, the output terminal of totalizer ∑ 3 links to each other with the input end of multiplier P6, the output terminal of multiplier P2, P3, P6 all links to each other with totalizer ∑ 4 corresponding input end, the input end of the output termination switch T2 of totalizer ∑ 4, the output terminal of switch T2 connects low door primary unit 4 and wealthy family's primary unit 5 corresponding input end respectively as the output terminal of flow pressure unit 2.
Described low door primary unit 4 mainly is made up of multiplier P11, P1 2, totalizer ∑ 5, wherein an output of the input termination power primary unit 1 of multiplier P11 is the output terminal of switch T1, the output that the input of multiplier P12 connects flow pressure unit 2 is the output terminal of switch T2, the output terminal of multiplier P11, P12 all connects totalizer ∑ 5 corresponding input end, and the output of totalizer ∑ 5 connects an input end of low door comprehensive unit 6 as the output of low door primary unit 4.
Described wealthy family primary unit 5 is mainly by multiplier P13, P14, totalizer ∑ 6 is formed, the input end of multiplier P13 is the output terminal of switch T1 as an output of an input termination power primary unit 1 of wealthy family's primary unit 5, the input of multiplier P1 4 is the output terminal of switch T2 as an output of importing termination flow pressure unit 2 of wealthy family's primary unit 5 also, multiplier P13, output termination totalizer ∑ 6 corresponding input end of P14, the output of totalizer ∑ 6 connects an input end of wealthy family's comprehensive unit 7 as the output of wealthy family's primary unit 5.
Described low door comprehensive unit 6 mainly is made up of multiplier P15, P16, P17, totalizer ∑ 8, the input end of multiplier P15 is the output of totalizer ∑ 5 as the output of the low door of an input termination primary unit 4 of low door comprehensive unit 6, and the input of multiplier P16 is as moving digital signal (can get through the conversion of the A/D change-over circuit) D that sets of another input catcher of low door comprehensive unit 6
Gb is lowThe input of multiplier P17 is the output terminal of aforementioned totalizer ∑ 7 as the output that the 3rd input end that hangs down door comprehensive unit 6 switches through fast primary unit 3, the output of multiplier P15, P16, P17 connects totalizer ∑ 8 corresponding input ends respectively, and the output of totalizer ∑ 8 connects the input of low pressure pitch power amplifier as the output of whole low door comprehensive unit 6 (can after the D/A conversion).
Described wealthy family comprehensive unit 7 mainly is made up of multiplier P18, P19, P20, totalizer ∑ 9, the input end of multiplier P18 is the output of totalizer ∑ 6 as the output of an input termination wealthy family primary unit 5 of wealthy family's comprehensive unit 7, and the input of multiplier P19 is as moving digital signal (can get through the conversion of the A/D change-over circuit) D that sets of another input catcher of wealthy family's comprehensive unit 7
The Gb heightThe input of multiplier P20 is the output terminal of aforementioned totalizer ∑ 7 as the output that the 3rd input end of wealthy family's comprehensive unit 7 also switches through fast primary unit 3, the output of multiplier P18, P19, P20 connects totalizer ∑ 9 corresponding input ends respectively, and the output of totalizer ∑ 9 connects the input of high-pressure governing valve power amplifier as the output of whole wealthy family comprehensive unit 7 (can after the D/A conversion).
During concrete enforcement, described multiplier P1～P20, totalizer ∑ 1～∑ 9 can adopt circuit common on the textbook to be realized during this enforcement, switch T1, T2 can adopt on-off circuit common on the textbook to be realized, D/A and A/D change-over circuit also are custom circuit.
Principle of work of the present utility model and theoretical foundation are:
The structure of regulating system is as shown in Figure 2 described by following formula:
Speed regulator: n=k
TransferU
n+ b
Transfer(1)
Transmission link: U
n=-k
PassU
The G height+ b
Pass(2)
Join vapour link: U
The G height=k
Join heightN+b
Join height(3)
After above-mentioned 3 formulas of simultaneous, get under the pure condensate operating mode regulating system mathematical model:
N=-(k
TransferK
PassK
Join height) N+{b
Transfer+ (k
TransferB
Pass)+[k
Transfer(k
Pass) b
Join height] (4)
Write a Chinese character in simplified form:
N=-k
SystemN+b
System(5)
When the heat supply belt one-level was drawn gas operation, formula (3) was:
High-pressure governing valve valve amount:
U
The G height=k
The N heightN+[(k
The θ heightθ)+b
Join height] (6)
Low pressure pitch valve amount:
U
G is low=k
N is lowN+[(-k
0 is low) θ]+k
N is lowB
Join height(7)
To the system that the band secondary draws gas, each pitch valve amount formula is analogized by formula (6), (7).
In the above-mentioned formula, formula (4) is the host machine integral configuration; Each link formula is the unit mathematical model, is the module mathematical model then after the decomposition, and minimum of computation factor k, the b etc. that resolve into once more then become Accounting Legend Code.Wherein " k " characterizes enlargement factor, " b " that the gain of each module is a multiplier and characterizes setting value.
This mathematical model has been combined closely shape, the position of physical concept in the adjustment process and characteristic line, has directly determined whole configuration, unit form, modular structure and the code data of system simultaneously again.
Rotating speed, power, flow, 4 kinds of signals of pressure have been adopted in adjusting input of the present utility model, are 4 pulseds to the one-level steam bleeding system; To the secondary steam bleeding system, flow, pressure are 2 covers, are 6 pulseds.The main frame of regulating system has been formed first order amplifier separately by power, flow pressure, three primary units of rotating speed, and wherein power, flow pressure amplifier output action are regulated the porthole primary unit and realized second level amplification in each.This two-way output is regulated the comprehensive unit totalizer of porthole with the 3 output actings in conjunction of rotating speed primary unit in each, forms the output signal of respectively regulating porthole after adding up.
In order when thermal load changes, to keep the stable of electric power, on the basis of carrying out the regulated quantity EQUILIBRIUM CALCULATION FOR PROCESS, still add the rotating speed master and set automatic module, its signal is from Feedback of Power.Electrical power signal one tunnel is transported to low door primary unit 4 and wealthy family's primary unit 5; Another road is transported to the rotating speed master and is set automatic module.Its output and the manual module output of main setting addition become main setting output signal, thereby have improved the whole certainly quality of electric power.
In order to realize the accuracy of flow regulation, the utility model provides a kind of flow pressure unit 2 with compensatory pressure deviation function.Its method for designing is: enters the pressure signal of A/D, after zeroing is handled, becomes pressure difference signal with positive and negative increment, and its value and flow signal addition, thus form a new flow signal through revising.
The gain ratio of multiplier can be determined with reference to Fig. 2 and above formula during concrete enforcement.
Claims (8)
1, a kind of sucking condensing turbine digital adjusting system, it is characterized in that it is mainly by power primary unit (1), rotating speed primary unit (3), low door primary unit (4), flow pressure unit (2), wealthy family's primary unit (5), low door comprehensive unit (6) and wealthy family's comprehensive unit (7) are formed, the input end of power primary unit (1) is taken over the moving digital signal of setting respectively and is reached by the actual power digital signal that records of sensor, an input end of fast primary unit (3) and low door primary unit (4) and wealthy family's primary unit (5) is switched through in the output of power primary unit (1) respectively, the remaining input terminal of rotating speed primary unit (3) is taken over respectively and moving is set digital signal and by the actual rotating speed digital signal that records of sensor, the output of rotating speed primary unit (3) connects an input end of low door comprehensive unit (6) and an input end of wealthy family's comprehensive unit (7) respectively, the output of low door comprehensive unit (6) connects low pressure pitch power amplifier end, the output of wealthy family's comprehensive unit (7) connects the input end of high-pressure governing valve power amplifier, the output terminal of another input termination wealthy family's primary unit (5) of wealthy family's comprehensive unit (7), wealthy family's primary unit (5) one the input termination flow pressure unit (2) output terminal, its another the input termination power primary unit (1) output terminal; The actual pressure digital signal that the input end of flow pressure unit (2) connects the actual flow digital signal that recorded by sensor respectively, recorded by sensor, manually input pressure digital signal, manual input flow rate signal, the output one tunnel of flow pressure unit (2) connects an input end of wealthy family's primary unit (5), one the tunnel connects an input end of low door primary unit (4), an input end of the output termination of low door primary unit (4) low door comprehensive unit (6).
2, sucking condensing turbine digital adjusting system according to claim 1, it is characterized in that described power primary unit (1) mainly is made up of multiplier P1 and totalizer ∑ 1, ∑ 2, power switch T1, the moving setting signal D of input end catcher of totalizer ∑ 1
BN, its another input termination real power supplied with digital signal D
N, D
NConnect the input end of multiplier P1 simultaneously, the output of 1 output of totalizer ∑ and multiplier P1 connects two corresponding input ends of totalizer ∑ 2 respectively, the output of totalizer ∑ 2 connects the input end of power switch T1, and the output terminal of power switch T1 connects an input end of low door primary unit (4), wealthy family's primary unit (5) and rotating speed primary unit (3) respectively.
3, sucking condensing turbine digital adjusting system according to claim 1, it is characterized in that described rotating speed primary unit (3) mainly is made up of multiplier P7, P8, P9, P10, totalizer ∑ 7, switch T3, the output terminal of the power switch T1 in the input termination power primary unit (1) of multiplier P8 wherein, the moving setting signal D of input end catcher of multiplier P7
BnHand, the output of multiplier P7, P8 all link to each other with the input end of switch T3, another manual setting signal D of the input termination of multiplier P9
Bn, the input termination of multiplier P10 is by the actual rotating speed digital signal D that records of speed probe
n, the output of multiplier P9, P10 and switch T3 all links to each other with the corresponding input end of totalizer ∑ 7, and the output terminal of totalizer ∑ 7 connects the corresponding input end of low door comprehensive unit (6) and wealthy family's comprehensive unit (7) respectively as the output of rotating speed primary unit (3).
4, sucking condensing turbine digital adjusting system according to claim 1, it is characterized in that described flow pressure unit (2) mainly is made up of multiplier P2, P3, P4, P5, P6, totalizer ∑ 3, ∑ 4, switch T2, wherein the actual flow digital signal D that records by sensor of the input termination of multiplier P2
0, the moving digital signal D that sets of the input end catcher of multiplier P3
B0, the actual pressure digital signal D that the input termination of multiplier P4 is recorded by sensor
P, the moving digital signal D that sets of the input end catcher of multiplier P5
BPThe output of multiplier P4, P5 links to each other with the corresponding input end of totalizer ∑ 3, the output terminal of totalizer ∑ 3 links to each other with the input end of multiplier P6, the output terminal of multiplier P2, P3, P6 all links to each other with totalizer ∑ 4 corresponding input end, the input end of the output termination switch T2 of totalizer ∑ 4, the output terminal of switch T2 connects low door primary unit (4) and wealthy family's primary unit (5) corresponding input end respectively as the output terminal of flow pressure unit (2).
5, sucking condensing turbine digital adjusting system according to claim 1, it is characterized in that described low door primary unit (4) is mainly by multiplier P11, P12, totalizer ∑ 5 is formed, wherein an output of the input termination power primary unit (1) of multiplier P11 is the output terminal of switch T1, the output that the input of multiplier P12 connects flow pressure unit (2) is the output terminal of switch T2, multiplier P11, the output terminal of P12 all connects totalizer ∑ 5 corresponding input end, and the output of totalizer ∑ 5 connects an input end of low door comprehensive unit (6) as the output of low door primary unit (4).
6, sucking condensing turbine digital adjusting system according to claim 1, it is characterized in that described wealthy family primary unit (5) is mainly by multiplier P13, P14, totalizer ∑ 6 is formed, the input end of multiplier P13 is the output terminal of switch T1 as an output of an input termination power primary unit (1) of wealthy family's primary unit (5), the input of multiplier P14 is the output terminal of switch T2 as an output of importing termination flow pressure unit (2) of wealthy family's primary unit (5) also, multiplier P13, output termination totalizer ∑ 6 corresponding input end of P14, the output of totalizer ∑ 6 connects an input end of wealthy family's comprehensive unit (7) as the output of wealthy family's primary unit (5).
7, sucking condensing turbine digital adjusting system according to claim 1, it is characterized in that described low door comprehensive unit (6) mainly is made up of multiplier P15, P16, P17, totalizer ∑ 8, the input end of multiplier P15 is the output of totalizer ∑ 5 as the output of an input termination low door primary unit (4) of low door comprehensive unit (6), and the input of multiplier P16 is as the moving digital signal D that sets of another input catcher of low door comprehensive unit (6)
Gb is lowThe input of multiplier P17 is the output terminal of aforementioned totalizer ∑ 7 as the output that the 3rd input end that hangs down door comprehensive unit (6) switches through fast primary unit (3), the output of multiplier P15, P16, P17 connects totalizer ∑ 8 corresponding input ends respectively, and the output of totalizer ∑ 8 connects the input of low pressure pitch power amplifier as the output of whole low door comprehensive unit (6).
8, sucking condensing turbine digital adjusting system according to claim 1, it is characterized in that described wealthy family comprehensive unit (7) mainly is made up of multiplier P18, P19, P20, totalizer ∑ 9, the input end of multiplier P18 is the output of totalizer ∑ 6 as the output of input termination wealthy family's primary unit (5) of wealthy family's comprehensive unit (7), and the input of multiplier P19 is as the moving digital signal D that sets of another input catcher of wealthy family's comprehensive unit (7)
The Gb heightThe input of multiplier P20 is the output terminal of aforementioned totalizer ∑ 7 as the output that the 3rd input end of wealthy family's comprehensive unit (7) also switches through fast primary unit (3), the output of multiplier P18, P19, P20 connects the corresponding input end of totalizer ∑ 9 respectively, and the output of totalizer ∑ 9 connects the input of high-pressure governing valve power amplifier as the output of whole wealthy family comprehensive unit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071906 CN2911748Y (en) | 2006-05-26 | 2006-05-26 | Digital regulation system of sucking condensing turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620071906 CN2911748Y (en) | 2006-05-26 | 2006-05-26 | Digital regulation system of sucking condensing turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2911748Y true CN2911748Y (en) | 2007-06-13 |
Family
ID=38133611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620071906 Expired - Fee Related CN2911748Y (en) | 2006-05-26 | 2006-05-26 | Digital regulation system of sucking condensing turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2911748Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063066A (en) * | 2011-01-26 | 2011-05-18 | 田鹤年 | Running simulation system of digital regulation design of combined heat and power type steam turbine |
-
2006
- 2006-05-26 CN CN 200620071906 patent/CN2911748Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102063066A (en) * | 2011-01-26 | 2011-05-18 | 田鹤年 | Running simulation system of digital regulation design of combined heat and power type steam turbine |
| CN102063066B (en) * | 2011-01-26 | 2012-05-09 | 田鹤年 | Running simulation system of digital regulation design of combined heat and power type steam turbine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104849052B (en) | A kind of nozzle governing test method of flow characteristic of steam turbine | |
| CN108664006A (en) | It is a kind of that ammonia optimization method and system are intelligently sprayed based on the SCR denitration of zonal control and Dynamic matrix control | |
| CN100523429C (en) | Overground gathering and transporting system for petroleum exploitation and method thereof | |
| CN102053562B (en) | Cracking furnace exit temperature hybrid control method | |
| CN107193209A (en) | Feedovered the unit cooperative control method and system instructed based on boiler dynamic differential | |
| CN102661176A (en) | Acquisition method of sliding pressure curve of steam turbine by using main steam flow as scheduling variable | |
| CN107133433A (en) | One kind is based on model adaptation steam turbine pitch discharge characteristic optimization method | |
| CN108661725A (en) | A kind of heat supply extraction steam unit is from whole regulating system and control method | |
| CN104131847B (en) | Steam Turbine determines sliding pressure Automatic Optimal control system and automatic optimization method thereof | |
| CN101286042A (en) | Mixed gas thermal value control system and method | |
| CN2911748Y (en) | Digital regulation system of sucking condensing turbine | |
| CN106765520B (en) | Automatic control method for realizing optimal initial pressure operation of heat supply unit | |
| CN109149607A (en) | A kind of three-phase imbalance compensation control system and control method | |
| CN108887730B (en) | Secondary feeding and water supplementing control system for tobacco shredding and control method thereof | |
| CN106168793A (en) | A kind of method automatically generating control equipment and system | |
| CN105114948A (en) | Method of adjusting boiler load of circulating fluidized bed | |
| CN201935888U (en) | Automatic calibration system of gas sensor | |
| CN102676713A (en) | Feedforward feedback simulation method for TRT (Top Gas Pressure Recovery Turbine unit) blast furnace top pressure control stamping process and system therefor | |
| CN205003557U (en) | Cis -butenedioic anhydride reactor moisture content automatic control device | |
| CN205372759U (en) | Accurate distributor of heating load | |
| CN206299598U (en) | A kind of PID pressure heads automatically adjust closed-loop control system | |
| CN109598045A (en) | The multiple-energy-source medium complex optimum mixing system that iron and steel enterprise is emulated based on the energy | |
| CN114963298A (en) | Online quantitative calculation method and system for energy storage of steam pipe network | |
| CN108335045A (en) | A kind of plant without storage's automatic optimization method based on aperture regulation | |
| CN104766159B (en) | Power station generating system by piloting water minor swing method for analyzing stability based on graph theory |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20120526 |