CN107394884A - A kind of excitation system, which opens, encourages power supply architecture and control method - Google Patents
A kind of excitation system, which opens, encourages power supply architecture and control method Download PDFInfo
- Publication number
- CN107394884A CN107394884A CN201710787907.0A CN201710787907A CN107394884A CN 107394884 A CN107394884 A CN 107394884A CN 201710787907 A CN201710787907 A CN 201710787907A CN 107394884 A CN107394884 A CN 107394884A
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- CN
- China
- Prior art keywords
- relay
- opens
- power supply
- power
- encourages
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/08—Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Direct Current Feeding And Distribution (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Opened the invention discloses a kind of excitation system and encourage power supply architecture and control method, it includes exchange 380V and aids in opening encouraging power inleting terminal, exchange 380V auxiliary, which opens, encourages power inleting terminal and is connected with being spaced apart QF03 ends of incoming cables, it is spaced apart QF03 leading-out terminals and is opened with exchange auxiliary and encourages power rectifier end of incoming cables and be connected, exchange auxiliary, which opens, encourages power rectifier leading-out terminal and is connected with relay K03 ends of incoming cables, relay K03 leading-out terminals are connected with excitation system incoming power terminals, direct current, which opens, encourages power supply and is connected with being spaced apart Q04 ends of incoming cables, it is spaced apart Q04 leading-out terminals to be connected with resistance R04, resistance R04 is connected with relay K04 normally opened contacts, relay K04 normally opened contacts are connected with relay K03 ends of incoming cables；Power Plant excitation system is solved in the case of full power plant's decompression, AC power is encouraged because auxiliary opens and disappears, excitation system band main transformer residual voltage is opened when encouraging, residual voltage deficiency, the technical problem such as can not normally start.
Description
Technical field
The invention belongs to power plant's excitation system start-up technique, more particularly to a kind of excitation system to open and encourage power supply architecture and control
Method.
Background technology
Power Plant excitation system is opened to encourage to open to encourage to open with accessory power supply equipped with residual voltage and encouraged, and when normal boot-strap is opened and encouraged, is encouraged
Magnetic system is opened by unit itself residual voltage and encouraged；When residual voltage deficiency after unit downtime is long or overhauls, excitation system is automatic
Input auxiliary, which opens, encourages power supply, and it is 380V AC powers that auxiliary, which opens and encourages power supply, is released when set end voltage reaches rated voltage 10% auxiliary
Help to open and encourage power supply；But in the case of full power plant's decompression, AC power disappearance is encouraged because auxiliary opens, excitation system band main transformer is residual
Qi Lishi is pressed, residual voltage deficiency, can not normally be started.
The content of the invention
The technical problem to be solved in the present invention：A kind of excitation system is provided opened and encourage power supply architecture and control method, to solve
The Power Plant excitation system of prior art, which opens, is encouraged in the case of full power plant's decompression, and AC power disappearance, excitation are encouraged because auxiliary opens
System band main transformer residual voltage is opened when encouraging, residual voltage deficiency, the technical problem such as can not normally start.
Technical solution of the present invention：
A kind of excitation system, which opens, encourages power supply architecture, and it includes exchange 380V and aids in opening encouraging power inleting terminal, and exchange 380V auxiliary opens
Encourage power inleting terminal and be connected with being spaced apart QF03 ends of incoming cables, be spaced apart QF03 leading-out terminals and open with exchanging auxiliary and encourage power rectifier end of incoming cables
Connection, exchange auxiliary, which opens, encourages power rectifier leading-out terminal and is connected with relay K03 ends of incoming cables, relay K03 leading-out terminals and excitation
System incoming power terminals connect, and direct current, which opens, encourages power supply and be connected with being spaced apart Q04 ends of incoming cables, are spaced apart Q04 leading-out terminals and electric
R04 connections are hindered, resistance R04 is connected with relay K04 normally opened contacts, and relay K04 normally opened contacts connect with relay K03 ends of incoming cables
Connect.
Voltage relay K24 input circuit is connected with being spaced apart QF03 leading-out terminals；Voltage relay K24 normally opened contact one
The negative 220VDC of termination, the other end are connected with relay K04 control electric power incoming line negative terminal；Relay K04 controls electric power incoming line is just
Terminate positive 220VDC.
Direct current, which opens, encourages power supply and comes from dc bus section or battery.
The resistance R04 is regulation resistance.
Direct current opens the connection cable core section product for encouraging power supply not less than 10 square millimeters.
A kind of described excitation system opens the control method for encouraging power supply architecture, and it includes：
Step 1, opened by voltage relay K24 monitoring exchange 380V auxiliary and encourage supply voltage；
Step 2, when 380V auxiliary open encourage supply voltage disappear, then voltage relay K24 normally opened contacts close, relay K04 control
Coil processed obtains electric, relay K04 normally opened contacts closure；
Step 3, direct current are opened to encourage plant-grid connection relay K03 and provide direct current for excitation system incoming power terminals and opened
Encourage power supply.
Beneficial effects of the present invention：
The DC220V direct currents of increase on the basis of existing technology of the invention, which open, encourages power supply, and supply voltage is encouraged when 380V auxiliary opens
During disappearance, Emergency Power is provided for the startup of excitation system, the Power Plant excitation system for solving prior art is opened and encouraged complete
In the case of power plant's decompression, to encourage AC power because auxiliary opens and disappear, excitation system band main transformer residual voltage is opened when encouraging, residual voltage deficiency,
It the technical problem such as can not normally start.
Figure of description：
Fig. 1 is schematic structural view of the invention.
Embodiment
A kind of excitation system, which opens, encourages power supply architecture, and it includes exchange 380V and aids in opening encouraging power inleting terminal, and exchange 380V is auxiliary
Help to open and encourage power inleting terminal and be connected with being spaced apart QF03 ends of incoming cables, be spaced apart QF03 leading-out terminals and open with exchanging auxiliary and encourage power rectifier and enter
Line end connects, and exchange auxiliary, which opens, encourages power rectifier leading-out terminal and be connected with relay K03 ends of incoming cables, relay K03 leading-out terminals and
Excitation system incoming power terminals connect, and direct current, which opens, encourages power supply and be connected with being spaced apart Q04 ends of incoming cables, is spaced apart Q04 leading-out terminals
It is connected with resistance R04, resistance R04 is connected with relay K04 normally opened contacts, relay K04 normally opened contacts and relay K03 inlet wires
End connection.
Relay K03 break-make control is controlled by prior art according to the time is started.
Voltage relay K24 input circuit is connected with being spaced apart QF03 leading-out terminals；Voltage relay K24 normally opened contact one
The negative 220VDC of termination, the other end are connected with relay K04 control electric power incoming line negative terminal；Relay K04 controls electric power incoming line is just
Terminate positive 220VDC.
The present invention in order to avoid exchange 380V auxiliary opens encourages power supply and direct current opens and encourages power supply and be also turned on causing system
Damage, specially exchange 380V auxiliary open encourage power supply be spaced apart QF03 leading-out terminals carry out voltage monitoring, pass through voltage relay K24
Monitoring effect is played, only in the case where exchange 380V auxiliary opens and encourages power supply Disappearance Scenarios, relay K04 is just connected, and avoids exchanging
380V auxiliary, which opens, encourages power supply and direct current opens and encourages power supply and be also turned on.
Resistance R04 effect is to play metering function；DC current is limited in 60A or so.
Relay K04 operation voltage comes to voltage relay K24 normally opened contact, it is therefore an objective to prevents voltage relay
K24 dead electricity or damage cause K04 to malfunction.
Direct current, which opens, encourages power supply and comes from dc bus section or battery.
The resistance R04 is regulation resistance.
Direct current opens the connection cable core section product for encouraging power supply not less than 10 square millimeters.
A kind of described excitation system opens the control method for encouraging power supply architecture, and it includes：
Step 1, opened by voltage relay K24 monitoring exchange 380V auxiliary and encourage supply voltage；
Step 2, when 380V auxiliary open encourage supply voltage disappear, then voltage relay K24 normally opened contacts close, relay K04 control
Coil processed obtains electric, relay K04 normally opened contacts closure；
Step 3, direct current are opened to encourage plant-grid connection relay K03 and provide direct current for excitation system incoming power terminals and opened
Encourage power supply.
Claims (6)
1. a kind of excitation system, which opens, encourages power supply architecture, it includes exchange 380V and aids in opening encouraging power inleting terminal, exchange 380V auxiliary
Open and encourage power inleting terminal and be connected with being spaced apart QF03 ends of incoming cables, be spaced apart QF03 leading-out terminals and open with exchanging auxiliary and encourage power rectifier inlet wire
End connection, exchange auxiliary, which opens, encourages power rectifier leading-out terminal and is connected with relay K03 ends of incoming cables, and relay K03 leading-out terminals are with encouraging
Magnetic system incoming power terminals connect, it is characterised in that：Direct current, which opens, encourages power supply and is connected with being spaced apart Q04 ends of incoming cables, is spaced apart
Q04 leading-out terminals are connected with resistance R04, and resistance R04 is connected with relay K04 normally opened contacts, relay K04 normally opened contacts and relay
Device K03 ends of incoming cables connect.
2. a kind of excitation system according to claim 1, which opens, encourages power supply architecture, it is characterised in that：Voltage relay K24's
Input circuit is connected with being spaced apart QF03 leading-out terminals；The voltage relay K24 negative 220VDC of termination of normally opened contact one, the other end with after
Electrical equipment K04 control electric power incoming line negative terminal connection；Relay K04 control electric power incoming lines are just terminating positive 220VDC.
3. a kind of excitation system according to claim 1, which opens, encourages power supply architecture, it is characterised in that：Direct current opens and encourages power supply
Come from dc bus section or battery.
4. a kind of excitation system according to claim 1, which opens, encourages power supply architecture, it is characterised in that：The resistance R04 is tune
Economize on electricity resistance.
5. a kind of excitation system according to claim 1, which opens, encourages power supply architecture, it is characterised in that：Direct current opens and encourages power supply
Connection cable core section product be not less than 10 square millimeters.
6. a kind of excitation system as claimed in claim 2 opens the control method for encouraging power supply architecture, it includes：
Step 1, opened by voltage relay K24 monitoring exchange 380V auxiliary and encourage supply voltage；
Step 2, when 380V auxiliary open encourage supply voltage disappear, then voltage relay K24 normally opened contacts close, relay K04 control
Coil processed obtains electric, relay K04 normally opened contacts closure；
Step 3, direct current are opened to encourage plant-grid connection relay K03 and provide direct current for excitation system incoming power terminals and opened
Encourage power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787907.0A CN107394884B (en) | 2017-09-04 | 2017-09-04 | Excitation system excitation power supply structure and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710787907.0A CN107394884B (en) | 2017-09-04 | 2017-09-04 | Excitation system excitation power supply structure and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107394884A true CN107394884A (en) | 2017-11-24 |
| CN107394884B CN107394884B (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710787907.0A Active CN107394884B (en) | 2017-09-04 | 2017-09-04 | Excitation system excitation power supply structure and control method |
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| Country | Link |
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| CN2249463Y (en) * | 1995-09-06 | 1997-03-12 | 黄家国 | Whole integrated circuit electrodynamic regulator |
| KR20030067933A (en) * | 2002-02-09 | 2003-08-19 | 주식회사 창덕 이엔씨 | Electricity curtailment machine that use a no-load damage interception magnetic field |
| CN101049884A (en) * | 2007-02-02 | 2007-10-10 | 陈明海 | Control system of electromagnet without contact |
| CN101162843A (en) * | 2006-10-13 | 2008-04-16 | 张太平 | Combined uninterrupted power supply |
| CN102957150A (en) * | 2011-08-29 | 2013-03-06 | 上海乾济机电科技有限公司 | Single-phase alternating current compensation type voltage stabilizer |
| CN203813508U (en) * | 2014-03-12 | 2014-09-03 | 国家电网公司 | Emergency lighting automatic switching and AC phase loss warning device for transformer station |
| CN204131436U (en) * | 2014-10-09 | 2015-01-28 | 国电南瑞科技股份有限公司 | A kind of loop with alternating current-direct current redundancy excitation function |
| CN204425033U (en) * | 2015-03-18 | 2015-06-24 | 北京国电光宇机电设备有限公司 | A kind of emergency lighting automatic switchover system |
| CN204835692U (en) * | 2015-03-25 | 2015-12-02 | 安徽智瑞电气有限公司 | Emergency lighting switching board |
| CN204858724U (en) * | 2015-07-21 | 2015-12-09 | 国家电网公司 | Hand over automatic switching device of DC power supply |
| CN105763113A (en) * | 2016-04-01 | 2016-07-13 | 钛能科技股份有限公司 | Low voltage hydroelectric generating set excitation-free dual-power excitation regulation circuit |
| CN206060608U (en) * | 2016-10-01 | 2017-03-29 | 广东惠州天然气发电有限公司 | A kind of power control structure of gas turbine energized circuit |
| CN206206139U (en) * | 2016-11-24 | 2017-05-31 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | A kind of vertical pumping set holder device with sealing function |
| CN207098746U (en) * | 2017-09-04 | 2018-03-13 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | A kind of excitation system, which opens, encourages power supply architecture |
-
2017
- 2017-09-04 CN CN201710787907.0A patent/CN107394884B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2249463Y (en) * | 1995-09-06 | 1997-03-12 | 黄家国 | Whole integrated circuit electrodynamic regulator |
| KR20030067933A (en) * | 2002-02-09 | 2003-08-19 | 주식회사 창덕 이엔씨 | Electricity curtailment machine that use a no-load damage interception magnetic field |
| CN101162843A (en) * | 2006-10-13 | 2008-04-16 | 张太平 | Combined uninterrupted power supply |
| CN101049884A (en) * | 2007-02-02 | 2007-10-10 | 陈明海 | Control system of electromagnet without contact |
| CN102957150A (en) * | 2011-08-29 | 2013-03-06 | 上海乾济机电科技有限公司 | Single-phase alternating current compensation type voltage stabilizer |
| CN203813508U (en) * | 2014-03-12 | 2014-09-03 | 国家电网公司 | Emergency lighting automatic switching and AC phase loss warning device for transformer station |
| CN204131436U (en) * | 2014-10-09 | 2015-01-28 | 国电南瑞科技股份有限公司 | A kind of loop with alternating current-direct current redundancy excitation function |
| CN204425033U (en) * | 2015-03-18 | 2015-06-24 | 北京国电光宇机电设备有限公司 | A kind of emergency lighting automatic switchover system |
| CN204835692U (en) * | 2015-03-25 | 2015-12-02 | 安徽智瑞电气有限公司 | Emergency lighting switching board |
| CN204858724U (en) * | 2015-07-21 | 2015-12-09 | 国家电网公司 | Hand over automatic switching device of DC power supply |
| CN105763113A (en) * | 2016-04-01 | 2016-07-13 | 钛能科技股份有限公司 | Low voltage hydroelectric generating set excitation-free dual-power excitation regulation circuit |
| CN206060608U (en) * | 2016-10-01 | 2017-03-29 | 广东惠州天然气发电有限公司 | A kind of power control structure of gas turbine energized circuit |
| CN206206139U (en) * | 2016-11-24 | 2017-05-31 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | A kind of vertical pumping set holder device with sealing function |
| CN207098746U (en) * | 2017-09-04 | 2018-03-13 | 贵州乌江水电开发有限责任公司构皮滩发电厂 | A kind of excitation system, which opens, encourages power supply architecture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107394884B (en) | 2023-09-05 |
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