CN107575338B - The two-way dual disaster tolerance control system of turbine-generator units and its method - Google Patents
The two-way dual disaster tolerance control system of turbine-generator units and its method Download PDFInfo
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- CN107575338B CN107575338B CN201710771494.7A CN201710771494A CN107575338B CN 107575338 B CN107575338 B CN 107575338B CN 201710771494 A CN201710771494 A CN 201710771494A CN 107575338 B CN107575338 B CN 107575338B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The present invention discloses the two-way dual disaster tolerance control system of turbine-generator units and its method, the system comprises adjustment of field excitation units, demagnetization control mechanism and hydraulic turbine automatic control unit, adjustment of field excitation unit is connected by its master control circuit and controls demagnetization control mechanism, adjustment of field excitation unit connects by its backup control line road and controls hydraulic turbine control mechanism, hydraulic turbine automatic control unit is connected by its master control circuit and controls hydraulic turbine control mechanism, hydraulic turbine automatic control unit connects by its backup control line road and controls demagnetization control mechanism, mutual high speed communication between adjustment of field excitation unit and hydraulic turbine automatic control unit.Generation control unit of the present invention and excitation con-trol unit close in set of system, both sides are hot standby each other, and when generation control unit failure, excitation con-trol unit is automatically performed system closedown demagnetization process, otherwise when excitation con-trol unit breaks down, generation control unit completes system closedown demagnetization process.
Description
Technical field
The present invention relates to the two-way dual disaster tolerance control system of power generation technical field more particularly to turbine-generator units and
Its method.
Background technique
Medium and Small Hydraulic Generator group generallys use two kinds of failure protection techniques in the prior art.One, relay protection is installed
Equipment, the voltage and current state of relay protection device real time on-line monitoring electricity generation system, when power-generating control system is out of order generation
When the failures such as over-voltage, under-voltage, overcurrent, protection equipment issues separating brake shutdown group command;Two, it using double excitation systems, is set when one
For when being out of order, another carries out rapidly excitation con-trol.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide the two-way dual disaster tolerance control systems of turbine-generator units
System and its method.
The technical solution adopted by the present invention is that:
The two-way dual disaster tolerance control system of turbine-generator units comprising adjustment of field excitation unit, demagnetization control mechanism and water
Turbine automatic control unit, adjustment of field excitation unit connect by its master control circuit and control demagnetization control mechanism, adjustment of field excitation list
Member connects and controls hydraulic turbine control mechanism by its backup control line road, and hydraulic turbine automatic control unit passes through its master control circuit
Hydraulic turbine control mechanism is connected and controls, hydraulic turbine automatic control unit connects by its backup control line road and controls demagnetization control
Mechanism processed, mutual high speed communication between adjustment of field excitation unit and hydraulic turbine automatic control unit.
Further, the hydraulic turbine control mechanism includes breaker, water valve and gate valve control mechanism.
The invention also discloses the two-way dual disaster tolerant control methods of turbine-generator units, applied to the hydrogenerator
The two-way dual disaster tolerance control system of group, control method the following steps are included:
1) adjustment of field excitation unit and hydraulic turbine automatic control unit acquire the operation information of turbine-generator units respectively;
2) adjustment of field excitation unit and hydraulic turbine automatic control unit carry out high speed communication, and exchange the operation letter acquired in real time
Breath;
3) adjustment of field excitation unit and hydraulic turbine automatic control unit mutually monitor and analyze the operation information of other side's transmission;
4) when adjustment of field excitation unit and hydraulic turbine automatic control unit work normally, adjustment of field excitation unit and the hydraulic turbine
Automatic control unit issues corresponding switching on and shutting down control action instruction by respective master control circuit respectively and normally opens to realize
Shutdown process completes corresponding relay protection movement;
5) when one of adjustment of field excitation unit or hydraulic turbine automatic control unit break down, then the water of monitoring is corresponded to
Turbine automatic control unit or adjustment of field excitation unit enable the adjustment of field excitation unit or water that its backup control line road direction breaks down
The control mechanism that turbine automatic control unit is controlled issues action command, completes separating brake and shuts down turbine-generator units work,
And record corresponding fault message.
Further, the operation information includes network voltage, set end voltage, generator terminal electric current, revolving speed and opening and closing state.
The invention adopts the above technical scheme, and adjustment of field excitation unit is integrated in set of device and the hydraulic turbine automatically controls list
Member.Adjustment of field excitation list and hydraulic turbine automatic control unit are respectively completed to network voltage, set end voltage, generator terminal electric current, revolving speed, divide
The information such as "on" position are acquired, while adjustment of field excitation unit and hydraulic turbine automatic control unit carry out high speed communication (one
20ms cycle completes a data interaction), the data of sampling are sent to other side in real time, two units monitor mutually adopting for other side
Sample data and operating status.When normal work, adjustment of field excitation unit and hydraulic turbine automatic control unit are respectively completed respective sending
Corresponding switching on and shutting down control action instruction completes corresponding relay protection movement to realize normal switching on and shutting down process;Work as monitoring
When another unit breaks down, spare control loop is enabled rapidly to corresponding operation mechanism and issues action command, completes separating brake
And turbine-generator units work is shut down, and record corresponding fault message, immediately, efficiently ensure hydrogenerator automation control
System processed is reliable, is safely operated, and provides effective analysis foundation for trouble hunting.
Generation control unit of the present invention and excitation con-trol unit close in set of system, and both sides are hot standby each other, when power generation is controlled
When cell failure processed, excitation con-trol unit is automatically performed system closedown demagnetization process, otherwise when excitation con-trol unit breaks down
When, generation control unit completes system closedown demagnetization process.
The present invention effectively meets the needs of turbine-generator units automatic control system two-way dual disaster tolerance, accomplishes system
Simple at low cost, response timeliness height, protection reliability are high.
Detailed description of the invention
The present invention is described in further details below in conjunction with the drawings and specific embodiments;
Fig. 1 is the structural schematic diagram of the two-way dual disaster tolerance control system of turbine-generator units of the present invention;
Fig. 2 is the flow diagram of the two-way dual disaster tolerant control method of turbine-generator units of the present invention.
Specific embodiment
As shown in Figure 1, the invention discloses the two-way dual disaster tolerance control systems of turbine-generator units comprising adjustment of field excitation
Unit, demagnetization control mechanism and hydraulic turbine automatic control unit, adjustment of field excitation unit, which is connected and controlled by its master control circuit, to go out
Magnetic control mechanism, adjustment of field excitation unit connect by its backup control line road and control hydraulic turbine control mechanism, and the hydraulic turbine is automatic
Control unit connects by its master control circuit and controls hydraulic turbine control mechanism, and hydraulic turbine automatic control unit passes through its spare control
Connection processed simultaneously controls demagnetization control mechanism, and mutually high speed is logical between adjustment of field excitation unit and hydraulic turbine automatic control unit
News.
Further, the hydraulic turbine control mechanism includes breaker, water valve and gate valve control mechanism.
As shown in Fig. 2, the invention also discloses the two-way dual disaster tolerant control methods of turbine-generator units, applied to described
The two-way dual disaster tolerance control system of turbine-generator units, control method the following steps are included:
1) adjustment of field excitation unit and hydraulic turbine automatic control unit acquire the operation information of turbine-generator units respectively;
2) adjustment of field excitation unit and hydraulic turbine automatic control unit carry out high speed communication, and exchange the operation letter acquired in real time
Breath;
3) adjustment of field excitation unit and hydraulic turbine automatic control unit mutually monitor and analyze the operation information of other side's transmission;
4) when adjustment of field excitation unit and hydraulic turbine automatic control unit work normally, adjustment of field excitation unit and the hydraulic turbine
Automatic control unit issues corresponding switching on and shutting down control action instruction by respective master control circuit respectively and normally opens to realize
Shutdown process completes corresponding relay protection movement;
5) when one of adjustment of field excitation unit or hydraulic turbine automatic control unit break down, then the water of monitoring is corresponded to
Turbine automatic control unit or adjustment of field excitation unit enable the adjustment of field excitation unit or water that its backup control line road direction breaks down
The control mechanism that turbine automatic control unit is controlled issues action command, completes separating brake and shuts down turbine-generator units work,
And record corresponding fault message.
Further, the operation information includes network voltage, set end voltage, generator terminal electric current, revolving speed and opening and closing state.
The invention adopts the above technical scheme, and adjustment of field excitation unit is integrated in set of device and the hydraulic turbine automatically controls list
Member.Adjustment of field excitation list and hydraulic turbine automatic control unit are respectively completed to network voltage, set end voltage, generator terminal electric current, revolving speed, divide
The information such as "on" position are acquired, while adjustment of field excitation unit and hydraulic turbine automatic control unit carry out high speed communication (one
20ms cycle completes a data interaction), the data of sampling are sent to other side in real time, two units monitor mutually adopting for other side
Sample data and operating status.When normal work, adjustment of field excitation unit and hydraulic turbine automatic control unit are respectively completed respective sending
Corresponding switching on and shutting down control action instruction completes corresponding relay protection movement to realize normal switching on and shutting down process;Work as monitoring
When another unit breaks down, spare control loop is enabled rapidly to corresponding operation mechanism and issues action command, completes separating brake
And turbine-generator units work is shut down, and record corresponding fault message, immediately, efficiently ensure hydrogenerator automation control
System processed is reliable, is safely operated, and provides effective analysis foundation for trouble hunting.
Generation control unit of the present invention and excitation con-trol unit close in set of system, and both sides are hot standby each other, when power generation is controlled
When cell failure processed, excitation con-trol unit is automatically performed system closedown demagnetization process, otherwise when excitation con-trol unit breaks down
When, generation control unit completes system closedown demagnetization process.
The present invention effectively meets the needs of turbine-generator units automatic control system two-way dual disaster tolerance, accomplishes system
Simple at low cost, response timeliness height, protection reliability are high.
Claims (4)
1. the two-way dual disaster tolerance control system of turbine-generator units, it is characterised in that: it includes adjustment of field excitation unit, demagnetization control
Mechanism and hydraulic turbine automatic control unit, adjustment of field excitation unit are connected and are controlled by its master control circuit demagnetization control mechanism, encourage
Magnetically condition unit connects and controls hydraulic turbine control mechanism by its backup control line road, and hydraulic turbine automatic control unit passes through it
Master control circuit connects and controls hydraulic turbine control mechanism, and hydraulic turbine automatic control unit is connected and controlled by its backup control line road
Demagnetization control mechanism processed, mutual high speed communication between adjustment of field excitation unit and hydraulic turbine automatic control unit.
2. the two-way dual disaster tolerance control system of turbine-generator units according to claim 1, it is characterised in that: the water wheels
Machine control mechanism includes breaker, water valve and gate valve control mechanism.
3. it is double to be applied to turbine-generator units of any of claims 1 or 2 for the two-way dual disaster tolerant control method of turbine-generator units
To dual disaster tolerance control system, it is characterised in that: control method the following steps are included:
1) adjustment of field excitation unit and hydraulic turbine automatic control unit acquire the operation information of turbine-generator units respectively;
2) adjustment of field excitation unit and hydraulic turbine automatic control unit carry out high speed communication, and exchange the operation information acquired in real time;
3) adjustment of field excitation unit and hydraulic turbine automatic control unit mutually monitor and analyze the operation information of other side's transmission;
4) when adjustment of field excitation unit and hydraulic turbine automatic control unit work normally, adjustment of field excitation unit and the hydraulic turbine are automatic
Control unit issues corresponding switching on and shutting down control action instruction by respective master control circuit to realize normal switching on and shutting down respectively
Process completes corresponding relay protection movement;
5) when one of adjustment of field excitation unit or hydraulic turbine automatic control unit break down, then the hydraulic turbine of monitoring is corresponded to
Automatic control unit or adjustment of field excitation unit enable the adjustment of field excitation unit or the hydraulic turbine that its backup control line road direction breaks down
The control mechanism that automatic control unit is controlled issues action command, completes separating brake and shuts down turbine-generator units work, and remembers
Record corresponding fault message.
4. the two-way dual disaster tolerant control method of turbine-generator units according to claim 3, it is characterised in that: the operation
Information includes network voltage, set end voltage, generator terminal electric current, revolving speed and opening and closing state.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201629715U (en) * | 2010-01-19 | 2010-11-10 | 武汉长江控制设备研究所 | DSP microcomputer excitation and speed adjustor of hydraulic generator unit |
CN201635917U (en) * | 2010-01-19 | 2010-11-17 | 武汉长江控制设备研究所 | Speed-regulation and excitation adjuster for PCC micro-computer of hydraulic generator unit |
CN202937399U (en) * | 2012-11-20 | 2013-05-15 | 天津市天骄水电成套设备有限公司 | Double-mode double-microcomputer speed regulator |
CN205383041U (en) * | 2016-03-04 | 2016-07-13 | 华自科技股份有限公司 | Low pressure packaged unit device |
CN205605355U (en) * | 2016-02-29 | 2016-09-28 | 福建省智能科技有限公司 | Middle -size and small -size hydroelectric set DSPIC integrated controller |
-
2017
- 2017-08-31 CN CN201710771494.7A patent/CN107575338B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201629715U (en) * | 2010-01-19 | 2010-11-10 | 武汉长江控制设备研究所 | DSP microcomputer excitation and speed adjustor of hydraulic generator unit |
CN201635917U (en) * | 2010-01-19 | 2010-11-17 | 武汉长江控制设备研究所 | Speed-regulation and excitation adjuster for PCC micro-computer of hydraulic generator unit |
CN202937399U (en) * | 2012-11-20 | 2013-05-15 | 天津市天骄水电成套设备有限公司 | Double-mode double-microcomputer speed regulator |
CN205605355U (en) * | 2016-02-29 | 2016-09-28 | 福建省智能科技有限公司 | Middle -size and small -size hydroelectric set DSPIC integrated controller |
CN205383041U (en) * | 2016-03-04 | 2016-07-13 | 华自科技股份有限公司 | Low pressure packaged unit device |
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