CN106026809B - Excitation System on Pumped Storage Power Stations black starting-up control loop and its control method - Google Patents
Excitation System on Pumped Storage Power Stations black starting-up control loop and its control method Download PDFInfo
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- CN106026809B CN106026809B CN201610317326.6A CN201610317326A CN106026809B CN 106026809 B CN106026809 B CN 106026809B CN 201610317326 A CN201610317326 A CN 201610317326A CN 106026809 B CN106026809 B CN 106026809B
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- 230000005284 excitation Effects 0.000 title claims abstract description 380
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 53
- 238000010248 power generation Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 230000005611 electricity Effects 0.000 claims description 23
- 230000000977 initiatory effect Effects 0.000 claims description 23
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000005347 demagnetization Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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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- 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
- H02P2101/00—Special adaptation of control arrangements for generators
- H02P2101/10—Special adaptation of control arrangements for generators for water-driven turbines
Abstract
The invention discloses Excitation System on Pumped Storage Power Stations black starting-up control loop and its control methods.It is related to power station black starting-up technical field, the present invention is solved after hydrogenerator is because of disorderly closedown, can carry out the automatic black starting-up of hydrogenerator at the appointed time, and so as to the power supply of fast quick-recovery electric system, reliability is high, and safety is good.Including stand-by power supply, monitoring system, excitation system and hydrogenerator, stand-by power supply, excitation system and hydrogenerator are connect respectively with monitoring system, and the stand-by power supply and hydrogenerator are connect respectively with excitation system.In the present invention, after the electric system occurrence of large-area power outage that electric power is provided by hydrogenerator, start power generation using the generating set with black start-up ability, and then drive the turbine-generator units power generation without black start-up ability, gradually restore entire electric system.
Description
Technical field
The present invention relates to power station black starting-up technical fields, and in particular to Excitation System on Pumped Storage Power Stations black starting-up controls
Circuit and its control method.
Background technology
Existing hydrogenerator is generally all not equipped with the black starting-up system that can start automatically after a shutdown, when water wheels are sent out
After motor is because of disorderly closedown, the artificial each hydrogenerator of live deactivation to power station must be just taken, after leading to power failure
Cannot be in time power system recovery electric power, power recovery speed is slow, and efficiency is low, and poor reliability causes larger to production and living
It influences.Therefore, design is a kind of the control loop of automatic recovery of power supply can seem after hydrogenerator shutdown in setting time
It is very necessary.
Invention content
The present invention is the deficiency in order to solve existing hydrogenerator because that cannot start power generation after disorderly closedown automatically, is provided
One kind can carry out the automatic black starting-up of hydrogenerator at the appointed time after hydrogenerator is because of disorderly closedown, so as to fast
The power supply of quick-recovery electric system, reliability are high, the good Excitation System on Pumped Storage Power Stations black starting-up control loop of safety and
Its control method.
To achieve these goals, the present invention uses following technical scheme：
Excitation System on Pumped Storage Power Stations black starting-up control loop, including stand-by power supply, monitoring system, excitation system and water
Turbine generator, the stand-by power supply, excitation system and hydrogenerator are connect respectively with monitoring system, the stand-by power supply and water
Turbine generator is connect respectively with excitation system；Further include the camera being located on hydrogenerator, the control terminal and prison of camera
Control system connects.
In the present solution, after by the electric system occurrence of large-area power outage of hydrogenerator offer electric power, utilize
Generating set with black start-up ability starts power generation, and then drives the turbine-generator units power generation without black start-up ability, gradually
Restore entire electric system.
When in use, black starting-up starts, and monitoring system is assigned booting and enabled, and hydrogenerator first is reached hydraulic turbine state；
Then, after the rotating speed of the hydraulic turbine is more than setting speed, monitoring system sends out excitation black starting-up mode command to excitation system, will encourage
Magnetic system is adjusted to excitation black starting-up mode command mode, and excitation system then is adjusted to excitation black starting-up input order side
Formula.After excitation system receives excitation black starting-up mode command, monitoring system allows the excitation alternating-current switch of excitation system to close in succession
Close and allow the degaussing switch of excitation system to be closed；Then monitoring system orders to close the hydrogenerator switch of hydrogenerator；
After excitation system receives the excitation black starting-up mode command for carrying out self-monitoring system, by judging, if the generator terminal of hydrogenerator
Voltage is 0, and the shaping modes of excitation system just are set as the manual current regulation mode of excitation, and the exciting current of default black starting-up
Initiation value；When receiving excitation not running signal, excitation system is put into excitation black starting-up input coomand mode；Work as excitation system
The order of excitation black starting-up input, the order of excitation input, the signal that excitation alternating-current switch closes a floodgate and degaussing switch closes a floodgate are received simultaneously
Afterwards, along with the hydrogenerator just closed before switchs, then one by excitation system and door, excitation system are sent out
Go out to put into direct current excitation order and input rectifier bridge order, the electric station DC power supply of water energy generator is connected to hydrogenerator
Rotor, the alternating current that hydrogenerator is sent out puts into rectifier bridge；After direct current excitation success, exciting current first rises to automatically
Then pre-set exciting current initiation value, increases magnetic manually on excitation local control cabinet, until by the machine of hydrogenerator
Terminal voltage rises to rated value, and charges to the set end voltage circuit of hydrogenerator, when the set end voltage of hydrogenerator
After setting value more than the set end voltage rated value of hydrogenerator, the excitation black starting-up pattern involution of excitation system terminates
The excitation black starting-up of hydrogenerator.This programme may know that it is which platform hydraulic generator by address scrambler and speed probe
There is failure in machine, simple and easy to use.
This programme can carry out the automatic of hydrogenerator and black open at the appointed time after hydrogenerator is because of disorderly closedown
It is dynamic, so as to the power supply of fast quick-recovery electric system, to cope with the need that the electric system after failure restores electricity at the appointed time
It asks, reliability is high, and safety is good.It can be good at carrying out remote monitoring, user to accident hydrogenerator by camera
Just simple, reliability is high.
Preferably, excitation system includes switch K1, switch K2, switch K3, switch K4, switch K5, switch K6, relay
J1, relay J2, relay J3, relay J4, relay J5, relay J6, relay J7, relay J8, excitation contactor
C2, degaussing switch, degaussing switch closing coil, excitation alternating-current switch, excitation alternating-current switch closing coil, excitation black starting-up pattern
The manual current regulation mode starting module of order starting module, excitation, exciting current initiation value setup module, excitation black starting-up are thrown
Enter order starting module, the rotor of hydrogenerator, rectifier bridge, excitation fan power supply handover module, excitation fan station service side
Contactor C1 and excitation fan；Hydrogenerator is switched including hydrogenerator；
The both ends of series circuit that the control terminal of the relay J8 and the controlled terminal of switch K2 are formed after being connected in series with
It is connected to the both ends of stand-by power supply again；The control terminal of the relay J2, the controlled terminal normally-closed contact 1-2 of relay J8
The both ends of series circuit formed after being sequentially connected in series with the controlled terminal of switch K3 are connected to the two of stand-by power supply again
End；The series electrical that the control terminal of the controlled terminal normally-closed contact 1-2 and relay J3 of the relay J2 are formed after being connected in series with
The both ends on road are connected to the both ends of stand-by power supply again；Controlled terminal normally-closed contact 3-4, the relay J4 of the relay J2
Control terminal and switch K4 controlled terminal be sequentially connected in series after the both ends of series circuit that are formed be connected to again it is spare
The both ends of power supply；The controlled terminal normally-closed contact 5-6 of the relay J2, the control terminal of relay J5 and switch K5 are controlled
The both ends of series circuit that end is formed after being sequentially connected in series are connected to the both ends of stand-by power supply again；The relay J2's
The string that the controlled terminal of controlled terminal normally-closed contact 7-8, the control terminal of relay J6 and switch K6 are formed after being sequentially connected in series
The both ends of connection circuit are connected to the both ends of stand-by power supply again；Controlled terminal normally-closed contact 1-2, the demagnetization of the relay J6
The controlled terminal and excitation contactor C2 that the controlled terminal of switch, the controlled terminal of excitation alternating-current switch, hydrogenerator switch
Control terminal be sequentially connected in series after the both ends of series circuit that are formed be connected to the both ends of stand-by power supply again；The relay
Controlled terminal normally-closed contact 1-2, the controlled terminal of degaussing switch, the controlled terminal of excitation alternating-current switch, the hydraulic generator of device J6
The both ends of series circuit that the controlled terminal of machine switch and the control terminal of relay J7 are formed after being sequentially connected in series connect respectively again
It is connected on the both ends of stand-by power supply；The controlled terminal normally-closed contact 1-2 of the relay J1 and excitation alternating-current switch closing coil
The both ends for the series circuit that control terminal is formed after being connected in series with are connected to the both ends of stand-by power supply again；The relay J1
Controlled terminal normally-closed contact 3-4 and degaussing switch closing coil control terminal be connected in series with after the both ends of series circuit that are formed
It is connected to the both ends of stand-by power supply again；The control terminal of the relay J1 and the controlled terminal of switch K1 are connected in series with rear shape
Into the both ends of series circuit be connected to the both ends of stand-by power supply again；The excitation alternating-current switch closing coil is controlled
End is connect with the control terminal of excitation alternating-current switch；The controlled terminal of the degaussing switch closing coil and the control terminal of degaussing switch
Connection；The control terminal of the switch K1, the control terminal for switching K3, the control terminal for switching K4, switchs K5's at the control terminal for switching K2
Control terminal and the control terminal of switch K6 are connect respectively with monitoring system；The controlled terminal of relay J3 is ordered with excitation black starting-up pattern
The control terminal of starting module is enabled to connect, the controlled terminal of relay J4 and the control of the manual current regulation mode starting module of excitation
End connection, the controlled terminal of relay J5 are connect with the control terminal of exciting current initiation value setup module, and relay J6's is controlled
End processed is connect with the control terminal of excitation black starting-up input order starting module, the controlled terminal and hydraulic generator of excitation contactor C2
The control terminal connection of the rotor of machine,
The controlled terminal of relay J7 is connect with rectifier bridge；It the controlled terminal normally opened contact 9-10 of the relay J2 and encourages
The both ends of series circuit that the control terminal of magnetic wind machine station service side contactor C1 is formed after being connected in series with are connected to spare again
The both ends of power supply；The controlled terminal of excitation fan station service side contactor C1 connects with the control terminal of excitation fan power supply handover module
It connects, the power end connection of excitation fan power supply handover module and excitation fan.
Preferably, excitation fan power supply handover module includes excitation side AC power, station-service side AC power, excitation side
Excitation fan power switch, excitation fan transformer and wind turbine contactor C3, excitation side AC power are connected to excitation side excitation
On one end of the controlled terminal of fan power switch, the other end of the controlled terminal of excitation side excitation fan power switch is connected to
On the primary coil of excitation fan transformer, the secondary coil of excitation fan transformer is connected to being controlled for wind turbine contactor C3
On the one end at end, the other end of the controlled terminal of wind turbine contactor C3 is connected on the power end of excitation fan, station-service top-cross stream
Power supply is connected on one end of the controlled terminal of excitation fan station service side contactor C1, excitation fan station service side contactor C1
The other end of controlled terminal be connected on the power end of excitation fan, the control terminal and wind of excitation side excitation fan power switch
The control terminal of machine contactor C3 is connected in monitoring system.
Preferably, hydrogenerator includes the rotor company of electric station DC power supply, electric station DC power supply and hydrogenerator
It connects.
Preferably, water level sensor and pressure sensor are further included, the water level sensor and pressure sensor difference
It is arranged on the power generation water inlet pipe of the hydraulic turbine of hydrogenerator.By water level sensor be able to know that power generation water inlet pipe in whether
There is water, whether the potential energy for the water being able to know that in power generation water inlet pipe by hydraulic pressure sensor meets the needs that the hydraulic turbine rotates.Greatly
Improve practicability and reliability greatly.
A kind of control method suitable for Excitation System on Pumped Storage Power Stations black starting-up control loop, including hydrogenerator
Excitation black starting-up controls process, and the excitation black starting-up control process of the hydrogenerator is as follows：
(6-1) black starting-up starts, and monitoring system is assigned booting to hydrogenerator and enabled, and hydrogenerator is reached the hydraulic turbine
State；
(6-2) after the rotating speed of the hydraulic turbine is more than 95% rated speed, monitoring system orders to be closed the switch of excitation system
K3 allows the coil of relay J2 to be powered, even if being closed with the normally opened contact 1-2 of relay J2, the normally opened contact 3-4 of relay J2
It is closed, the normally opened contact 5-6 of relay J2 is closed, the normally opened contact 7-8 of relay J2 is closed and the normally opened contact of relay J2
9-10 is closed；When the coil of relay J3 is powered, the excitation black starting-up mode command starting module of excitation system is connected, will be encouraged
Magnetic system is adjusted to excitation black starting-up mode command mode；
(6-3) when excitation system has excitation run signal, monitoring system is ordered closure switch K6, the coil of relay J6
It is powered, so as to connect the excitation black starting-up of excitation system input order starting module, excitation system is adjusted to excitation black starting-up
Command mode is put into, and is closed the normally opened contact 1-2 of relay J6；
(6-4) then, monitoring system sends out excitation input order to the switch K1 of excitation system, and switch K1 is closed, relay
The coil of device J1 is powered, and the contact 1-2 of relay J1 is closed immediately and the contact 3-4 of relay J1 is closed；When relay J1's
After contact 1-2 is closed, the excitation alternating-current switch closing coil energization of excitation system allows the excitation alternating-current switch of excitation system to be closed；
(6-5) after the contact 3-4 of relay J1 is closed, the degaussing switch closing coil energization of excitation system allows excitation system
The degaussing switch of system is closed；
(6-6) then, monitoring system orders to close hydrogenerator switch；
(6-7) is when the set end voltage of hydrogenerator is more than the 60% of the set end voltage rated value of hydrogenerator and is less than
The set end voltage rated value of hydrogenerator 95% when, monitoring system is ordered closure switch K4, and the coil of relay J4 is powered,
So as to connect the manual current regulation mode starting module of the excitation of excitation system, excitation system is adjusted to the manual electric current tune of excitation
Section mode；
(6-8) is supervised when the set end voltage of hydrogenerator is less than the 60% of the set end voltage rated value of hydrogenerator
Control system is ordered closure switch K5, and the coil of relay J5 is powered, and exciting current initiation value setup module starts, by excitation system
Exciting current be set as exciting current initiation value, B times of rated exciting current value for excitation system of the exciting current initiation value,
And 0 ＜ B ＜ 1；
(6-9) when allow excitation alternating-current switch be closed, allow degaussing switch be closed and allow hydrogenerator switch be closed after, simultaneously
The normally opened contact 1-2 of relay J6 is allowed to be closed, will act excitation contactor C2 and relay J7；When excitation contactor C2's
After coil is powered, excitation contact modules are connected, the electric station DC power supply of water energy generator is connected to the rotor of hydrogenerator；
After (6-10) relay J7 actions, the alternating current that hydrogenerator is sent out puts into rectifier bridge；
(6-11) after the normally opened contact 9-10 of relay J2 is closed, the coil of excitation fan station service side contactor C1 leads to
Electricity is closed the contact 1-2 of excitation fan station service side contactor C1, the contact 3-4 of excitation fan station service side contactor C1
It is closed and the contact 5-6 of excitation fan station service side contactor C1 is closed, and cut off the excitation side excitation fan electricity of excitation system
The power supply of excitation fan is switched to station-service side AC power by source switch from excitation side AC power；
Then the exciting current of excitation system, by direct current excitation, is first risen to pre-set encourage by (6-12) automatically
Magnetoelectricity stream initiation value；
(6-13) then, increases magnetic manually on the excitation local control cabinet of excitation system, by the generator terminal electricity of hydrogenerator
Pressure rises to the set end voltage rated value of hydrogenerator；
(6-14) charges to the set end voltage circuit of hydrogenerator, when the set end voltage of hydrogenerator is more than water
After the 99% of the set end voltage rated value of turbine generator, monitoring system orders to switch K2 closures so that relay J8 is acted, relay
The normally-closed contact 1-2 of relay J8 is allowed to disconnect after device J8 actions, by the excitation black starting-up pattern involution of excitation system, so as to terminate
The excitation black starting-up control process of hydrogenerator.
The present invention can reach following effect：
The present invention can carry out the automatic of hydrogenerator and black open at the appointed time after hydrogenerator is because of disorderly closedown
It is dynamic, so as to the power supply of fast quick-recovery electric system, to cope with the need that the electric system after failure restores electricity at the appointed time
It asks, reliability is high, and safety is good.
Description of the drawings
Fig. 1 is a kind of overall circuit principle connection structure schematic block diagram of the embodiment of the present invention.
Fig. 2 is a kind of circuit theory connection structure schematic block diagram in excitation fan switching control of embodiment of the present invention circuit.
Fig. 3 is a kind of schematic diagram of circuit principle connecting structure of excitation system black starting-up control loop of the embodiment of the present invention.
Fig. 4 is another circuit theory connection structure signal of excitation system black starting-up control loop of the embodiment of the present invention
Figure.
Fig. 5 is a kind of excitation black starting-up main control logic principle connection structure schematic block diagram of the embodiment of the present invention.
Fig. 6 is a kind of excitation black starting-up excitation fan power control logic principle connection structure signal of the embodiment of the present invention
Block diagram.
Fig. 7 is a kind of excitation alternating-current switch of the embodiment of the present invention, the signal of degaussing switch control logic principle connection structure
Block diagram.
Fig. 8 is a kind of excitation of the embodiment of the present invention and input rectification bridge control logic principle connection structure schematic block diagram.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment, Excitation System on Pumped Storage Power Stations black starting-up control loop, referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, figure
6th, shown in Fig. 7, Fig. 8, including stand-by power supply, monitoring system, excitation system and hydrogenerator, the stand-by power supply, excitation system
System and hydrogenerator are connect respectively with monitoring system, and the stand-by power supply and hydrogenerator are connect respectively with excitation system.
The camera being located on hydrogenerator is further included, the control terminal of camera is connect with monitoring system.
Excitation system includes switch K1, switch K2, switch K3, switch K4, switch K5, switch K6, relay J1, relay
J2, relay J3, relay J4, relay J5, relay J6, relay J7, relay J8, excitation contactor C2, demagnetization are opened
Pass, degaussing switch closing coil, excitation alternating-current switch, excitation alternating-current switch closing coil, excitation black starting-up mode command start
The manual current regulation mode starting module of module, excitation, exciting current initiation value setup module, the input order of excitation black starting-up
Starting module, the rotor of hydrogenerator, rectifier bridge, excitation fan power supply handover module, excitation fan station service side contactor
C1 and excitation fan；Hydrogenerator is switched including hydrogenerator；
The both ends of series circuit that the control terminal of the relay J8 and the controlled terminal of switch K2 are formed after being connected in series with
It is connected to the both ends of stand-by power supply again；The control terminal of the relay J2, the controlled terminal normally-closed contact 1-2 of relay J8
The both ends of series circuit formed after being sequentially connected in series with the controlled terminal of switch K3 are connected to the two of stand-by power supply again
End；The series electrical that the control terminal of the controlled terminal normally-closed contact 1-2 and relay J3 of the relay J2 are formed after being connected in series with
The both ends on road are connected to the both ends of stand-by power supply again；Controlled terminal normally-closed contact 3-4, the relay J4 of the relay J2
Control terminal and switch K4 controlled terminal be sequentially connected in series after the both ends of series circuit that are formed be connected to again it is spare
The both ends of power supply；The controlled terminal normally-closed contact 5-6 of the relay J2, the control terminal of relay J5 and switch K5 are controlled
The both ends of series circuit that end is formed after being sequentially connected in series are connected to the both ends of stand-by power supply again；The relay J2's
The string that the controlled terminal of controlled terminal normally-closed contact 7-8, the control terminal of relay J6 and switch K6 are formed after being sequentially connected in series
The both ends of connection circuit are connected to the both ends of stand-by power supply again；Controlled terminal normally-closed contact 1-2, the demagnetization of the relay J6
The controlled terminal and excitation contactor C2 that the controlled terminal of switch, the controlled terminal of excitation alternating-current switch, hydrogenerator switch
Control terminal be sequentially connected in series after the both ends of series circuit that are formed be connected to the both ends of stand-by power supply again；The relay
Controlled terminal normally-closed contact 1-2, the controlled terminal of degaussing switch, the controlled terminal of excitation alternating-current switch, the hydraulic generator of device J6
The both ends of series circuit that the controlled terminal of machine switch and the control terminal of relay J7 are formed after being sequentially connected in series connect respectively again
It is connected on the both ends of stand-by power supply；The controlled terminal normally-closed contact 1-2 of the relay J1 and excitation alternating-current switch closing coil
The both ends for the series circuit that control terminal is formed after being connected in series with are connected to the both ends of stand-by power supply again；The relay J1's
The both ends of series circuit that the control terminal of controlled terminal normally-closed contact 3-4 and degaussing switch closing coil is formed after being connected in series with are again
It is connected to the both ends of stand-by power supply；The control terminal of the relay J1 and the controlled terminal of switch K1 are formed after being connected in series with
The both ends of series circuit be connected to the both ends of stand-by power supply again；The controlled terminal of the excitation alternating-current switch closing coil
It is connect with the control terminal of excitation alternating-current switch；The controlled terminal of the degaussing switch closing coil and the control terminal of degaussing switch connect
It connects；The control terminal of the switch K1, the control terminal for switching K2, the control terminal for switching K3, the control terminal for switching K4, the control for switching K5
The control terminal of end processed and switch K6 are connect respectively with monitoring system；The controlled terminal of relay J3 and excitation black starting-up mode command
The control terminal connection of starting module, the controlled terminal of relay J4 and the control terminal of the manual current regulation mode starting module of excitation
Connection, the controlled terminal of relay J5 are connect with the control terminal of exciting current initiation value setup module, and relay J6's is controlled
The control terminal with excitation black starting-up input order starting module is held to connect, the controlled terminal and hydrogenerator of excitation contactor C2
Rotor control terminal connection, the controlled terminal of relay J7 connect with rectifier bridge；The controlled terminal of the relay J2 is normally opened
The both ends of series circuit that the control terminal of contact 9-10 and excitation fan station service side contactor C1 are formed after being connected in series with are divided again
It is not connected to the both ends of stand-by power supply；The controlled terminal of excitation fan station service side contactor C1 switches mould with excitation fan power supply
The power end of the control terminal connection of block, excitation fan power supply handover module and excitation fan connects.
Preferably, excitation fan power supply handover module includes excitation side AC power, station-service side AC power, excitation side
Excitation fan power switch, excitation fan transformer and wind turbine contactor C3, excitation side AC power are connected to excitation side excitation
On one end of the controlled terminal of fan power switch, the other end of the controlled terminal of excitation side excitation fan power switch is connected to
On the primary coil of excitation fan transformer, the secondary coil of excitation fan transformer is connected to being controlled for wind turbine contactor C3
On the one end at end, the other end of the controlled terminal of wind turbine contactor C3 is connected on the power end of excitation fan, station-service top-cross stream
Power supply is connected on one end of the controlled terminal of excitation fan station service side contactor C1, excitation fan station service side contactor C1
The other end of controlled terminal be connected on the power end of excitation fan, the control terminal and wind of excitation side excitation fan power switch
The control terminal of machine contactor C3 is connected in monitoring system.
The stand-by power supply is the DC power supply of DC-110V to DC+110V.The negative pole end of stand-by power supply is DC-110V, standby
It is DC+110V with the negative pole end of power supply.
Hydrogenerator includes electric station DC power supply, the rotor connection of electric station DC power supply and hydrogenerator.
Excitation system further includes excitation local control cabinet, is equipped on excitation local control cabinet and increases magnetically condition key manually.
In the present embodiment, after the electric system occurrence of large-area power outage that electric power is provided by hydrogenerator, profit
Start power generation with the generating set with black start-up ability, and then drive the turbine-generator units power generation without black start-up ability, by
Gradually restore entire electric system.It can be good at carrying out remote monitoring to accident hydrogenerator by camera, it is easy to use
Simply, reliability is high.
Water level sensor and pressure sensor are further included, the water level sensor and pressure sensor are separately positioned on water wheels
On the power generation water inlet pipe of the hydraulic turbine of generator.It is able to know that in power generation water inlet pipe whether there is water by water level sensor, passes through
Whether the potential energy for the water that hydraulic pressure sensor is able to know that in power generation water inlet pipe meets the needs of hydraulic turbine rotation.Substantially increase reality
With property and reliability.
When in use, black starting-up starts, and monitoring system is assigned booting and enabled, and hydrogenerator first is reached hydraulic turbine state；
Then, after the rotating speed of the hydraulic turbine is more than setting speed, monitoring system sends out excitation black starting-up mode command to excitation system, will encourage
Magnetic system is adjusted to excitation black starting-up mode command mode, and excitation system then is adjusted to excitation black starting-up input order side
Formula.After excitation system receives excitation black starting-up mode command, monitoring system allows the excitation alternating-current switch of excitation system to close in succession
Close and allow the degaussing switch of excitation system to be closed；Then monitoring system orders to close the hydrogenerator switch of hydrogenerator；
After excitation system receives the excitation black starting-up mode command for carrying out self-monitoring system, by judging, if the generator terminal of hydrogenerator
Voltage is 0, and the shaping modes of excitation system just are set as the manual current regulation mode of excitation, and the exciting current of default black starting-up
Initiation value；When receiving excitation not running signal, excitation system is put into excitation black starting-up input coomand mode；Work as excitation system
The order of excitation black starting-up input, the order of excitation input, the signal that excitation alternating-current switch closes a floodgate and degaussing switch closes a floodgate are received simultaneously
Afterwards, along with the hydrogenerator just closed before switchs, then one by excitation system and door, excitation system are sent out
Go out to put into direct current excitation order and input rectifier bridge order, the electric station DC power supply of water energy generator is connected to hydrogenerator
Rotor, the alternating current that hydrogenerator is sent out puts into rectifier bridge；After direct current excitation success, exciting current first rises to automatically
Then pre-set exciting current initiation value, increases magnetic manually on excitation local control cabinet, until by the machine of hydrogenerator
Terminal voltage rises to rated value, and charges to the set end voltage circuit of hydrogenerator, when the set end voltage of hydrogenerator
After setting value more than the set end voltage rated value of hydrogenerator, the excitation black starting-up pattern involution of excitation system terminates
The excitation black starting-up of hydrogenerator.The present embodiment may know that it is which platform water wheels is sent out by address scrambler and speed probe
There is failure in motor, simple and easy to use.
The present embodiment can carry out the automatic black of hydrogenerator at the appointed time after hydrogenerator is because of disorderly closedown
Start, so as to the power supply of fast quick-recovery electric system, restored electricity at the appointed time with to cope with the electric system after failure
Demand, reliability is high, and safety is good.
It is shown in Figure 5, excitation startup order will be latched and set end voltage passes simultaneously more than the signal of 99% rated voltage
It arrives or one end of door 101.When the R ends of No.1 rest-set flip-flop receive from or door 101 the other end come out signal when, then immediately
It performs without excitation black starting-up mode command.When the S ends of No.1 rest-set flip-flop receive the letter for the black starting-up order for carrying out self-monitoring system
Number when, then be immediately performed excitation black starting-up mode command, and the signal that comes will be brought out from the S of rest-set flip-flop simultaneously and passed to respectively
One end with door 201, one end with one end of door 202 and with door 203.Meanwhile set end voltage is allowed to be more than 60% and less than 95%
The signal of rated voltage pass to one end with door 201, and allow and go to perform excitation hand from the signal come out with the other end of door 201
Dynamic mode command；The signal that set end voltage is less than 60% rated voltage is also allowed to pass to one end with door 202, and allow from door 202
The other end come out signal go exciting current being set as exciting current initiation value order；Also allow excitation not running signal pass to
One end of door 203, and allow and pass to one end of NOT gate 301, and allow from NOT gate 301 from the signal come out with the other end of door 203
The signal that the other end comes out goes to perform to put into without excitation black starting-up and order, and also allows and is gone from the signal come out with the other end of door 203
Execution has the input order of excitation black starting-up.
It is shown in Figure 6, then it is immediately performed startup when the S ends of No. two rest-set flip-flops receive excitation black starting-up mode command
The station-service side AC power order of excitation fan；When the R ends of No. two rest-set flip-flops receive excitation order out of service then immediately
Perform the station-service side AC power order for not starting excitation fan.
Shown in Figure 7, the signal that will have the input order of excitation black starting-up passes to or one end of door 102, and will from or door
The signal that 102 other end comes out passes to one end with door 204, will also have excitation to be already prepared to signal and passes to and door 204
One end, the S ends for then No. three rest-set flip-flops being passed to from the signal come out with 204 other end of door, then will be from No. three rest-set flip-flops
S bring out the signal come and pass to one end with door 205, also by from the S of No. three rest-set flip-flops bring out Lai signal go that excitation is allowed to hand over
Stream switch is closed, and excitation alternating-current switch closure signal is allowed to pass to one end with door 205, then will be brought out from the another of door 205
The signal come goes that degaussing switch is allowed to be closed.
It is shown in Figure 8, excitation black starting-up is first put into order, degaussing switch closure signal, excitation alternating-current switch respectively
Closure signal and hydrogenerator switch closure signals pass to one end with door 206, then will be come out from the other end with door 206
Signal pass to or one end of door 103, then allow from or the signal that comes out of the other end of door 103 go to perform input direct current excitation respectively
Order and input rectifier bridge order.
Monitoring system includes controller, rechargeable battery and the charger for rechargeable battery charging, the monitoring side of rechargeable battery
It is connect respectively with controller with the control terminal of charger, the power output end of rechargeable battery and the feeder ear of controller connect.
The charger is the charger using peak-trough electricity charging, if current time is in paddy electricity chargeable time, charging
Machine directly charges to rechargeable battery, if current time is in peak electricity chargeable time, needs to carry out Charge Management judgement
It can just decide whether to charge to rechargeable battery afterwards；Charger is to charging electricity if charging is needed after judging by Charge Management
Pond is charged, and charger is not with regard to charging to rechargeable battery if charging is not needed to after judging by Charge Management.
The charger is as follows for the Charge Management judgment method of rechargeable battery charging in peak electricity chargeable time：
A basic power threshold and a basic quantity coefficient value first are assigned to charger by controller or manually, is then controlled
Device processed reads the voltage value of current time, paddy electricity opening time and rechargeable battery, and controller calculates current time and paddy electricity
The difference of opening time obtains time difference；The numerical value obtained after basic quantity coefficient value divided by time difference is plus charging electricity
The value of gained is then judged to forbidding charging if greater than or equal to basic power threshold after the current charge value in pond, when basic electricity
The numerical value obtained after coefficient value divided by time difference plus gained after the current charge value of rechargeable battery value if less than basis
Power threshold is then judged to needing to charge；The average electricity consumption that the date is corresponded in the last measurement period of power battery is multiplied by given hundred
Divide and obtain electricity correction value than coefficient, basic power threshold is obtained by basic charge value plus electricity correction value, basic charge value
For unified numerical value.
A kind of control method suitable for Excitation System on Pumped Storage Power Stations black starting-up control loop, including hydrogenerator
Excitation black starting-up controls process, and the excitation black starting-up control process of the hydrogenerator is as follows：
(6-1) black starting-up starts, and monitoring system is assigned booting to hydrogenerator and enabled, and hydrogenerator is reached the hydraulic turbine
State；
(6-2) after the rotating speed of the hydraulic turbine is more than 95% rated speed, monitoring system orders to be closed the switch of excitation system
K3 allows the coil of relay J2 to be powered, even if being closed with the normally opened contact 1-2 of relay J2, the normally opened contact 3-4 of relay J2
It is closed, the normally opened contact 5-6 of relay J2 is closed, the normally opened contact 7-8 of relay J2 is closed and the normally opened contact of relay J2
9-10 is closed；When the coil of relay J3 is powered, the excitation black starting-up mode command starting module of excitation system is connected, will be encouraged
Magnetic system is adjusted to excitation black starting-up mode command mode；
(6-3) when excitation system has excitation run signal, monitoring system is ordered closure switch K6, the coil of relay J6
It is powered, so as to connect the excitation black starting-up of excitation system input order starting module, excitation system is adjusted to excitation black starting-up
Command mode is put into, and is closed the normally opened contact 1-2 of relay J6；
(6-4) then, monitoring system sends out excitation input order to the switch K1 of excitation system, and switch K1 is closed, relay
The coil of device J1 is powered, and the contact 1-2 of relay J1 is closed immediately and the contact 3-4 of relay J1 is closed；When relay J1's
After contact 1-2 is closed, the excitation alternating-current switch closing coil energization of excitation system allows the excitation alternating-current switch of excitation system to be closed；
(6-5) after the contact 3-4 of relay J1 is closed, the degaussing switch closing coil energization of excitation system allows excitation system
The degaussing switch of system is closed；
(6-6) then, monitoring system orders to close hydrogenerator switch；
(6-7) is when the set end voltage of hydrogenerator is more than the 60% of the set end voltage rated value of hydrogenerator and is less than
The set end voltage rated value of hydrogenerator 95% when, monitoring system is ordered closure switch K4, and the coil of relay J4 is powered,
So as to connect the manual current regulation mode starting module of the excitation of excitation system, excitation system is adjusted to the manual electric current tune of excitation
Section mode；
(6-8) is supervised when the set end voltage of hydrogenerator is less than the 60% of the set end voltage rated value of hydrogenerator
Control system is ordered closure switch K5, and the coil of relay J5 is powered, and exciting current initiation value setup module starts, by excitation system
Exciting current be set as exciting current initiation value, B times of rated exciting current value for excitation system of the exciting current initiation value,
And 0 ＜ B ＜ 1；If B=0.5.
(6-9) when allow excitation alternating-current switch be closed, allow degaussing switch be closed and allow hydrogenerator switch be closed after, simultaneously
The normally opened contact 1-2 of relay J6 is allowed to be closed, will act excitation contactor C2 and relay J7；When excitation contactor C2's
After coil is powered, excitation contact modules are connected, the electric station DC power supply of water energy generator is connected to the rotor of hydrogenerator；
After (6-10) relay J7 actions, the alternating current that hydrogenerator is sent out puts into rectifier bridge；
(6-11) after the normally opened contact 9-10 of relay J2 is closed, the coil of excitation fan station service side contactor C1 leads to
Electricity is closed the contact 1-2 of excitation fan station service side contactor C1, the contact 3-4 of excitation fan station service side contactor C1
It is closed and the contact 5-6 of excitation fan station service side contactor C1 is closed, and cut off the excitation side excitation fan electricity of excitation system
The power supply of excitation fan is switched to station-service side AC power by source switch from excitation side AC power；
Then the exciting current of excitation system, by direct current excitation, is first risen to pre-set encourage by (6-12) automatically
Magnetoelectricity stream initiation value；
(6-13) then, increases magnetic manually on the excitation local control cabinet of excitation system, by the generator terminal electricity of hydrogenerator
Pressure rises to the set end voltage rated value of hydrogenerator；
(6-14) charges to the set end voltage circuit of hydrogenerator, when the set end voltage of hydrogenerator is more than water
After the 99% of the set end voltage rated value of turbine generator, monitoring system orders to switch K2 closures so that relay J8 is acted, relay
The normally-closed contact 1-2 of relay J8 is allowed to disconnect after device J8 actions, by the excitation black starting-up pattern involution of excitation system, so as to terminate
The excitation black starting-up control process of hydrogenerator.
Embodiments of the present invention are described above in conjunction with attached drawing, however, the implementation is not limited to the above embodiments, this field
Those of ordinary skill can be with various changes and modifications may be made within the scope of the appended claims.
Claims (5)
1. Excitation System on Pumped Storage Power Stations black starting-up control loop, which is characterized in that including stand-by power supply, monitoring system, encourage
Magnetic system and hydrogenerator, the stand-by power supply, excitation system and hydrogenerator are connect respectively with monitoring system, described standby
It is connect respectively with excitation system with power supply and hydrogenerator；The camera being located on hydrogenerator is further included, camera
Control terminal is connect with monitoring system；
Excitation system include switch K1, switch K2, switch K3, switch K4, switch K5, switch K6, relay J1, relay J2,
Relay J3, relay J4, relay J5, relay J6, relay J7, relay J8, excitation contactor C2, degaussing switch,
Degaussing switch closing coil, excitation alternating-current switch, excitation alternating-current switch closing coil, excitation black starting-up mode command start mould
The manual current regulation mode starting module of block, excitation, exciting current initiation value setup module, the input order of excitation black starting-up start
Module, the rotor of hydrogenerator, rectifier bridge, excitation fan power supply handover module, excitation fan station service side contactor C1 and
Excitation fan；Hydrogenerator is switched including hydrogenerator；The control terminal of the relay J8 and the controlled terminal of switch K2
The both ends of the series circuit formed after being connected in series with are connected to the both ends of stand-by power supply again；The control of the relay J2
The series electrical that the controlled terminal at end, the controlled terminal normally-closed contact 1-2 of relay J8 and switch K3 is formed after being sequentially connected in series
The both ends on road are connected to the both ends of stand-by power supply again；The controlled terminal normally-closed contact 1-2 and relay of the relay J2
The both ends for the series circuit that the control terminal of J3 is formed after being connected in series with are connected to the both ends of stand-by power supply again；The relay
The controlled terminal of the controlled terminal normally-closed contact 3-4 of J2, the control terminal of relay J4 and switch K4 are formed after being sequentially connected in series
The both ends of series circuit be connected to the both ends of stand-by power supply again；The controlled terminal normally-closed contact 5-6 of the relay J2,
The both ends of series circuit that the control terminal of relay J5 and the controlled terminal of switch K5 are formed after being sequentially connected in series connect respectively again
It is connected on the both ends of stand-by power supply；The controlled terminal normally-closed contact 7-8 of the relay J2, the control terminal of relay J6 and switch K6
Controlled terminal be sequentially connected in series after the both ends of series circuit that are formed be connected to the both ends of stand-by power supply again；It is described after
Controlled terminal normally-closed contact 1-2, the controlled terminal of degaussing switch, the controlled terminal of excitation alternating-current switch, the water wheels hair of electric appliance J6
The both ends of series circuit that the controlled terminal of motor switch and the control terminal of excitation contactor C2 are formed after being sequentially connected in series are again
It is connected to the both ends of stand-by power supply；The controlled terminal normally-closed contact 1-2 of the relay J6, degaussing switch are controlled
The control terminal at end, the controlled terminal of the controlled terminal of excitation alternating-current switch, hydrogenerator switch and relay J7 is sequentially connected in series
The both ends of the series circuit formed after connection are connected to the both ends of stand-by power supply again；The controlled terminal of the relay J1 is normal
The both ends of series circuit that the control terminal of closed contact 1-2 and excitation alternating-current switch closing coil is formed after being connected in series with connect respectively again
It is connected on the both ends of stand-by power supply；The control of the controlled terminal normally-closed contact 3-4 and degaussing switch closing coil of the relay J1
The both ends of series circuit that end is formed after being connected in series with are connected to the both ends of stand-by power supply again；The control of the relay J1
The both ends of series circuit that the controlled terminal of end and switch K1 are formed after being connected in series with are connected to the both ends of stand-by power supply again；
The controlled terminal of the excitation alternating-current switch closing coil is connect with the control terminal of excitation alternating-current switch；The degaussing switch closes a floodgate
The controlled terminal of coil and the control terminal of degaussing switch connect；The control terminal of the switch K1, the control terminal for switching K2, switch K3
Control terminal, switch K4 control terminal, switch K5 control terminal and switch K6 control terminal connect respectively with monitoring system；Relay
The controlled terminal of device J3 is connect with the control terminal of excitation black starting-up mode command starting module, and the controlled terminal of relay J4 is with encouraging
The control terminal connection of the manual current regulation mode starting module of magnetic, controlled terminal and the exciting current initiation value of relay J5 are set
The control terminal connection of module, the controlled terminal of relay J6 are connect with the control terminal of excitation black starting-up input order starting module,
The control terminal of the controlled terminal of excitation contactor C2 and the rotor of hydrogenerator connects, the controlled terminal of relay J7 and rectification
Bridging connects；The control terminal string of the controlled terminal normally opened contact 9-10 and excitation fan station service side contactor C1 of the relay J2
The both ends of series circuit formed after connection connection are connected to the both ends of stand-by power supply again；Excitation fan station service side contactor
The controlled terminal of C1 is connect with the control terminal of excitation fan power supply handover module, excitation fan power supply handover module and excitation fan
Power end connection.
2. Excitation System on Pumped Storage Power Stations black starting-up control loop according to claim 1, which is characterized in that excitation wind
Electromechanical source handover module includes excitation side AC power, station-service side AC power, excitation side excitation fan power switch, excitation wind
Machine transformer and wind turbine contactor C3, excitation side AC power are connected to the controlled terminal of excitation side excitation fan power switch
On one end, the other end of the controlled terminal of excitation side excitation fan power switch is connected to the primary coil of excitation fan transformer
On, the secondary coil of excitation fan transformer is connected on one end of the controlled terminal of wind turbine contactor C3, wind turbine contactor C3
The other end of controlled terminal be connected on the power end of excitation fan, station-service side AC power is connected to excitation fan station service
On one end of the controlled terminal of side contactor C1, the other end of the controlled terminal of excitation fan station service side contactor C1 is connected to
On the power end of excitation fan, the control terminal of excitation side excitation fan power switch and the control terminal of wind turbine contactor C3 connect respectively
It is connected in monitoring system.
3. Excitation System on Pumped Storage Power Stations black starting-up control loop according to claim 1, which is characterized in that water wheels are sent out
Motor includes electric station DC power supply, the rotor connection of electric station DC power supply and hydrogenerator.
4. Excitation System on Pumped Storage Power Stations black starting-up control loop according to claim 1, which is characterized in that further include
Water level sensor and pressure sensor, the water level sensor and pressure sensor are separately positioned on the hydraulic turbine of hydrogenerator
Power generation water inlet pipe on.
5. a kind of control method suitable for Excitation System on Pumped Storage Power Stations black starting-up control loop described in claim 1,
It is characterised in that it includes the excitation black starting-up control process of hydrogenerator, the excitation black starting-up control of the hydrogenerator
Process is as follows：
（5-1）Black starting-up starts, and monitoring system is assigned booting to hydrogenerator and enabled, and hydrogenerator is reached hydraulic turbine shape
State；
（5-2）After the rotating speed of the hydraulic turbine is more than 95% rated speed, monitoring system orders to be closed the switch K3 of excitation system, allows
The coil of relay J2 is powered, even if be closed with the normally opened contact 3-4 of the normally opened contact 1-2 closures of relay J2, relay J2,
The normally opened contact 5-6 of relay J2 is closed, the normally opened contact 7-8 of relay J2 is closed and the normally opened contact 9-10 of relay J2 is closed
It closes；When the coil of relay J3 is powered, the excitation black starting-up mode command starting module of excitation system is connected, by excitation system
It is adjusted to excitation black starting-up mode command mode；
（5-3）When excitation system has excitation run signal, monitoring system is ordered closure switch K6, and the coil of relay J6 leads to
Excitation system so as to connect the excitation black starting-up of excitation system input order starting module, is adjusted to excitation black starting-up and thrown by electricity
Enter command mode, and be closed the normally opened contact 1-2 of relay J6；
（5-4）Then, monitoring system sends out excitation input order to the switch K1 of excitation system, and switch K1 is closed, relay J1
Coil be powered, immediately relay J1 contact 1-2 be closed and relay J1 contact 3-4 be closed；When the contact of relay J1
After 1-2 is closed, the excitation alternating-current switch closing coil energization of excitation system allows the excitation alternating-current switch of excitation system to be closed；
（5-5）After the contact 3-4 of relay J1 is closed, the degaussing switch closing coil energization of excitation system allows excitation system
Degaussing switch is closed；
（5-6）Then, monitoring system orders to close hydrogenerator switch；
（5-7）When the set end voltage of hydrogenerator is more than the 60% of the set end voltage rated value of hydrogenerator and less than water wheels
The set end voltage rated value of generator 95% when, monitoring system is ordered closure switch K4, and the coil of relay J4 is powered, so as to
The manual current regulation mode starting module of excitation of excitation system is connected, excitation system is adjusted to the manual current regulation side of excitation
Formula；
（5-8）When the set end voltage of hydrogenerator is less than the 60% of the set end voltage rated value of hydrogenerator, monitoring system
The coil of closure switch of ordering K5, relay J5 are powered, and exciting current initiation value setup module starts, by the excitation of excitation system
Electric current is set as exciting current initiation value, B times of rated exciting current value for excitation system of the exciting current initiation value, and 0<
B<1；
（5-9）When allow excitation alternating-current switch be closed, allow degaussing switch be closed and allow hydrogenerator switch be closed after, while allow after
The normally opened contact 1-2 of electric appliance J6 is closed, and will act excitation contactor C2 and relay J7；When the coil of excitation contactor C2
After energization, excitation contact modules are connected, the electric station DC power supply of water energy generator is connected to the rotor of hydrogenerator；
（5-10）After relay J7 actions, the alternating current that hydrogenerator is sent out puts into rectifier bridge；
（5-11）After the normally opened contact 9-10 of relay J2 is closed, the coil of excitation fan station service side contactor C1 is powered,
It is closed the contact 1-2 of excitation fan station service side contactor C1, the contact 3-4 of excitation fan station service side contactor C1 is closed
It is closed, and the excitation side excitation fan power supply for cutting off excitation system is opened with the contact 5-6 of excitation fan station service side contactor C1
It closes, the power supply of excitation fan is switched to station-service side AC power from excitation side AC power；
（5-12）Then, by direct current excitation, the exciting current of excitation system is first risen to pre-set excitation electricity automatically
Flow initiation value；
（5-13）Then, increase magnetic manually on the excitation local control cabinet of excitation system, by the set end voltage liter of hydrogenerator
To the set end voltage rated value of hydrogenerator；
（5-14）It charges to the set end voltage circuit of hydrogenerator, when the set end voltage of hydrogenerator is sent out more than water wheels
After the 99% of the set end voltage rated value of motor, monitoring system orders to switch K2 closures so that relay J8 is acted, relay J8
The normally-closed contact 1-2 of relay J8 is allowed to disconnect after action, by the excitation black starting-up pattern involution of excitation system, so as to terminate water wheels
The excitation black starting-up control process of generator.
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| CN101667731A (en) * | 2008-06-20 | 2010-03-10 | 梁志业 | Method for solving difficulties of peak load regulation of power grid, installation and electricity and coal deficiency |
| CN203942470U (en) * | 2014-06-12 | 2014-11-12 | 国家电网公司 | The startup control circuit of a kind of pumped storage unit SFC |
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| US9509141B2 (en) * | 2011-04-15 | 2016-11-29 | Siemens Aktiengesellschaft | Black start of wind turbine devices |
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| CN101667731A (en) * | 2008-06-20 | 2010-03-10 | 梁志业 | Method for solving difficulties of peak load regulation of power grid, installation and electricity and coal deficiency |
| CN203942470U (en) * | 2014-06-12 | 2014-11-12 | 国家电网公司 | The startup control circuit of a kind of pumped storage unit SFC |
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