CN107834600A - Unloading device is thrown in a kind of pumped storage unit work condition judging with faulty action preventing function and protection - Google Patents
Unloading device is thrown in a kind of pumped storage unit work condition judging with faulty action preventing function and protection Download PDFInfo
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- CN107834600A CN107834600A CN201711123015.7A CN201711123015A CN107834600A CN 107834600 A CN107834600 A CN 107834600A CN 201711123015 A CN201711123015 A CN 201711123015A CN 107834600 A CN107834600 A CN 107834600A
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- 230000009471 action Effects 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 69
- 230000002159 abnormal effect Effects 0.000 claims description 23
- 235000013399 edible fruits Nutrition 0.000 claims description 4
- 230000004069 differentiation Effects 0.000 claims description 3
- 238000000819 phase cycle Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 230000001960 triggered effect Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 24
- 238000009825 accumulation Methods 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
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- H02J3/382—
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Abstract
The invention discloses a kind of pumped storage unit work condition judging with faulty action preventing function and protection to throw unloading device, and the device includes：Digital sampling and processing, the discrimination module that module forms is moved back by arbiter and defencive function throwing；Digital sampling and processing, arbiter, defencive function throwing are moved back module and are linked in sequence successively.Unloading device is thrown in a kind of pumped storage unit work condition judging with faulty action preventing function of the present invention and protection; by setting abundant, rational operating mode and differentiating that logic differentiates that result can accurately characterize unit actual motion state; the collection of intake is realized using two-position contact; add the ability of anti-malfunction; and then protection device is correctly triggered, so that pump-storage generator can accurately meet that the electricity needs of power network realizes peak-frequency regulation.
Description
Technical field
The present invention relates to a kind of pumped storage unit work condition judging with faulty action preventing function and protection to throw unloading device, especially a kind of
The operating mode result for being used for work condition judging in pump-storage generator and being obtained according to differentiating carries out protection and throws the error-proof device moved back.
Background technology
Pump-storage generator is different from common generator group, and it is also used as except that power supply can be used as to be contributed
Load to store electric power, and the stable operation of pump-storage generator needs the coordination by both generator and the hydraulic turbine to move
Make.For common generator group, the operating condition of pump-storage generator is complex, it is necessary to consider the storage that draws water
The running situation of the output situation, i.e. generator of energy unit, and the running situation of hydraulic control situation, the i.e. hydraulic turbine.And it is
Ensure that pump-storage generator can send electric power when power network needs supply of electric power, the water-storage machine when grid power is excessive
Group can absorb electric power, so as to realize the function of the regulation stabilization of power grids, it is necessary to increase protection device and then ensure complicated draw water
Accumulation of energy unit can be acted according to actual electric network demand, and the action situation of locking mistake.
Existing Pumped Storage Plant due to operating mode set, differentiate logic it is unreasonable, it is impossible to accurately judge to take out
The state of water accumulation of energy unit actual motion, and then the correct judgement of protection device can not be also ensured, so as to easily malfunction
Phenomenon, have impact on safely and steadily running for power network.
The content of the invention
Therefore, in view of the above-mentioned problems, the invention provides a kind of with the pumped storage unit work condition judging of faulty action preventing function and guarantor
Shield throws unloading device, by setting abundant, rational operating mode and differentiating that logic differentiates that result can accurately characterize unit
Actual motion state, the collection of intake is realized using two-position contact, add the ability of anti-malfunction, and then cause protection
Device can correctly be triggered.
In order to achieve the above object, the present invention proposes a kind of with the pumped storage unit work condition judging of faulty action preventing function and protection
Unloading device is thrown, the device includes：Digital sampling and processing, the differentiation mould that module forms is moved back by arbiter and defencive function throwing
Block；The digital sampling and processing, arbiter, defencive function throwing are moved back module and are linked in sequence successively.
The present invention gathers specific intake parameter by digital sampling and processing, and intake parameter is transported by logic
Calculation obtains the operating condition situation of pump-storage generator, and then can determine whether various defencive functions are thrown according to operating mode and move back, together
When the ability of faulty action preventing improved by abnormal judgement, and then realize and accurately adjusted according to the electricity needs of power network come peak regulation
Frequently.
Brief description of the drawings
Fig. 1 is the logic chart of judge module.
Fig. 2 is the part data acquisition processing module logic chart that data are provided for discrimination module.
Fig. 3 is the part data acquisition processing module logic chart that data are provided for contact abnormal alarm module.
Embodiment
Unloading device is thrown in a kind of pumped storage unit work condition judging with faulty action preventing function and protection, and the device includes：Data acquisition
Processing module, the discrimination module that module forms is moved back by arbiter and defencive function throwing；Digital sampling and processing, arbiter, guarantor
Protective function throwing is moved back module and is linked in sequence successively.
Digital sampling and processing receives intake parameter by two-position contact, and intake parameter is carried out into logical operation
For output result to the input of arbiter, whether digital sampling and processing judge contact always according to the intake parameter of reception afterwards
It is abnormal；Arbiter according to the result of input judge pump-storage generator whether one kind in pre-defined operating mode species or
Person is several, and exports and differentiate that module is moved back in result to defencive function throwing；Defencive function throwing is moved back module and determined whether according to differentiation result
Throw surrender protection unit；Protection device includes：Reverse-power protection, wrongly energized protection, generating direction transform er differential protection, direction of drawing water
Transform er differential protection, starting of drawing water/send transform er differential protection, underpower protection, low-voltage variation, low frequency protection, phase sequence to protect
Shield, startup over-current protection, stator ground fault protection；Intake parameter includes turbine condenser mode intake 1, turbine condenser mode intake 2, changed
Position intake 1 is closed in phase knife generating position, position intake 2 is closed in commutation knife generating position, commutation knife draws water, and position intake 1, commutation knife are closed in position
Drawing water, position intake 2 is closed in position, generator outlet circuit breaker system closes position intake 1, generator outlet circuit breaker system closes position and opened
It is empty to enter amount 2, generator outlet circuit breaker system point position intake 1, generator outlet circuit breaker system point position intake 2, stator
Above intake 1, stator zero load above intake 2, stator stroke is carried to close intake 1, stator stroke pass intake 2, dragged knife
Conjunction position intake 1, knife conjunction position intake 2, dragging knife conjunction position intake 1, dragging knife conjunction position intake 2, electric braking is dragged to open
Close an intake 1, electric braking switch closes position intake 2；Pre-defined operating mode species includes generator operation operating mode, generated electricity
Start operating performance, generating direction, direction of drawing water, starting of drawing water/send, the operating condition that draws water, the working conditions of phrase modulation that draws water, draw water and started building
Condition, dragging operating mode, electric braking operating mode.
Fig. 1 is referred to, Fig. 1 is the logic chart of judge module.
Discrimination module includes：Generator operation work condition judging module includes first and module, and first is defeated with three with module
Enter end and an output end, the turbine condenser mode result that first input connection negates, second input connection generating position is closed
Position result, the 3rd input connection generator outlet circuit breaker system close position result, output end output generator operation operating mode knot
Fruit is thrown to defencive function and moves back module；Generating start operating performance discrimination module includes second and module, and second is defeated with two with module
Enter end and an output end, position result is closed in first input connection generating position, and second input connection generator outlet breaks
Road device system divides position result, and output end exports starting and generating operating mode result to defencive function throwing and moves back module；Generating discriminating direction mould
Block includes the 3rd and module, and the 3rd has two inputs and an output end, first input connection generating position with module
Position result is closed, second input connection generator outlet circuit breaker system closes position result, output end output generating direction result
Thrown to defencive function and move back module；Discriminating direction module of drawing water includes the 4th and module, the 4th with module have two inputs and
One output end, first input connect position of drawing water and close position result, second input connection generator outlet breaker system
Integration position result, output end export direction result to defencive function throwing of drawing water and move back module；Draw water starting/send discrimination module to include
First or non-module, the first or non-module have two inputs and an output end, first input connection the 3rd and mould
The output end of block, second input connection the 4th and the output end of module, output end output send result to defencive function to throw
Move back module；The operating condition discrimination module that draws water includes the 5th and module, and the 5th has three inputs and an output with module
End, first input connect position of drawing water and close position result, and second input connects stator zero load result above, the 3rd input
End connection generator outlet circuit breaker system closes position result, and output end exports operating condition result to defencive function throwing of drawing water and moves back mould
Block；The working conditions of phrase modulation discrimination module that draws water includes the 6th and module, and the 6th has three inputs and an output end with module, the
One input connects position of drawing water and closes position result, and second input connection stator stroke closes result, the 3rd input connection
Generator outlet circuit breaker system closes position result, and output end output is drawn water working conditions of phrase modulation result, the working conditions of phrase modulation result that will draw water with
Operating condition result phase of drawing water or after to defencive function throw move back module；State of starting operating of drawing water discrimination module includes the 7th and module,
7th has three inputs and an output end with module, and first input connects position of drawing water and close position result, and second defeated
Entering end connection is dragged knife to close position result, and the 3rd input connection generator outlet circuit breaker system divides position result, and output end is defeated
Go out to draw water state of starting operating result, the state of starting operating that will draw water result and starting and generating operating mode result phase or after thrown to defencive function and move back mould
Block；Dragging work condition judging module includes the 8th and module, the 8th and module there is two inputs and an output end, first
Input connection generator outlet circuit breaker system closes position result, and second input connection dragging knife closes position result, output end
Back to back starting dragging operating mode result is exported, back to back starting is dragged into operating mode result and the state of starting operating result phase or afterwards extremely of drawing water
Defencive function is thrown and moves back module；Electric braking work condition judging module includes the 9th and module, and the 9th has two inputs with module
With an output end, first input connection generator outlet circuit breaker system divides position result, second input connection electricity
Gas brake switch closes position result, and output end, which exports electric braking result, throws to defencive function and moves back module, and by electric braking result
With back to back starting drag operating mode result phase or after to defencive function throw move back module.
Refer to Fig. 2,3, Fig. 2 is the part data acquisition processing module logic chart that data are provided for discrimination module, Fig. 3 is
The part data acquisition processing module logic chart of data is provided for contact abnormal alarm module.
Digital sampling and processing includes：First or module, first or module there is two inputs and an output end,
First input connection turbine condenser mode intake 1, second input connection turbine condenser mode intake 2, output end output hair
Electric phase modulation result；First XOR module, the first XOR module have two inputs and an output end, and first input connects
Turbine condenser mode intake 1 is connect, second input connection turbine condenser mode intake 2, output end is exported to contact abnormal alarm mould
Block；Second or module, second or module there is two inputs and an output end, first input connection commutation knife closes position
As a result 1, second input connection commutation knife closes position result 2, and position result is closed in output end output generating position；Commutation knife closes position result
1 draws water the position conjunction phase of position intake 1 with obtaining by commutation knife generating position conjunction position intake 1 and commutation knife of the inverted, commutation knife
Close position result 2 and the position conjunction phase of position intake 2 is drawn water with obtaining by commutation knife generating position conjunction position intake 2 and commutation knife of the inverted
Arrive；Second XOR module, the second XOR module have two inputs and an output end, and first input connects commutation knife
Position intake 1 is closed in generating position, and position intake 2 is closed in second input connection commutation knife generating position, and output end exports different to contact
Normal alarm module；3rd or module, the 3rd or module there is two inputs and an output end, first input connection is changed
Phase knife closes position result 3, and second input connection commutation knife closes position result 4, and output end exports position of drawing water and closes position result；Commutation knife
Close after position result 3 is negated by commutation knife generating position conjunction position intake 1 and commutation knife draw water the position conjunction phase of position intake 1 with obtaining,
Commutation knife close position result 4 by commutation knife generating position close position intake 2 negate after and commutation knife draw water position close the phase of position intake 2 and
Obtain；3rd XOR module, the 3rd XOR module have two inputs and an output end, and first input connects commutation
Position intake 1 is closed in knife position of drawing water, and position intake 2 is closed in second input connection commutation knife position of drawing water, and output end is exported to contact
Abnormal alarm module；4th or module, the 4th or module there is two inputs and an output end, first input connection
Generator outlet circuit breaker system position result 1, second input connection generator outlet circuit breaker system position result 2,
Output end output generator outlet breaker system closes position result；Generator outlet circuit breaker system position result 1 passes through generating
Machine outlet breaker system closes position intake 1 and the phase of generator outlet circuit breaker system point position intake 1 of the inverted with obtaining,
Generator outlet circuit breaker system position result 2 closes position intake 2 and hair of the inverted by generator outlet circuit breaker system
The phase of motor outlet breaker system point position intake 2 is with obtaining；4th XOR module, the 4th XOR module have two inputs
With an output end, first input connection generator outlet circuit breaker system closes position intake 1, second input connection
Generator outlet circuit breaker system closes position intake 2, and output end is exported to contact abnormal alarm module；5th or module, the 5th
Or module has two inputs and an output end, first input connects generator outlet circuit breaker system position result
3, second input connection generator outlet circuit breaker system position result 4, output end output generator outlet breaker system
System divides position result；Generator outlet circuit breaker system position result 3 is closed position intake 1 by generator outlet circuit breaker system and taken
After anti-and the phase of generator outlet circuit breaker system point position intake 1 is with obtaining, and generator outlet circuit breaker system position result 4 is logical
Cross generator outlet circuit breaker system close position intake 2 negate after and the phase of generator outlet circuit breaker system point position intake 2 and
Obtain；5th XOR module, the 5th XOR module have two inputs and an output end, and first input connection generates electricity
Machine outlet breaker system divides position intake 1, and second input connection generator outlet circuit breaker system divides position intake 2,
Output end is exported to contact abnormal alarm module；6th or module, the 6th or module there is two inputs and an output end,
First input connection stator zero load above intake 1, second input connection stator zero load above intake 2, output
Hold output guide blade zero load result above；6th XOR module, the 6th XOR module have two inputs and an output end, the
One input connection stator zero load above intake 1, second input connection stator zero load above intake 1, output end
Export to contact abnormal alarm module；7th or module, the 7th or module there is two inputs and an output end, first
Input connection stator stroke closes intake 1, and second input connection stator stroke closes intake 2, output end output guide blade
Stroke closes result；7th XOR module, the 7th XOR module have two inputs and an output end, and first input connects
Connect stator stroke and close intake 1, second input connection stator stroke closes intake 2, and output end is exported to contact and reported extremely
Alert module；8th or module, the 8th or module there is two inputs and an output end, knife is dragged in first input connection
Position intake 1 is closed, second input connection is dragged knife to close position intake 2, and output end output is dragged knife to close position result；8th is different
Or module, the 8th XOR module have two inputs and an output end, first input connection dragged knife close position open into
Amount 1, second input connection are dragged knife to close position intake 2, and output end is exported to contact abnormal alarm module；9th or mould
Block, the 9th or module there is two inputs and an output end, first input connection dragging knife closes position intake 1, the
Two input connection dragging knives close position intake 2, and output end output dragging knife closes position result；9th XOR module, the 9th is different
Or module has two inputs and an output end, first input connection dragging knife closes position intake 1, second input
End connection dragging knife closes position intake 2, and output end is exported to contact abnormal alarm module；Tenth or module, the tenth or module tool
There are two inputs and an output end, first input connection electric braking switch closes position intake 1, second input
Connect electric braking switch and close position intake 2, output end output electric braking switch closes position result；Tenth XOR module, the tenth
XOR module has two inputs and an output end, and first input connection electric braking switch closes position intake 1, the
Two input connection electric braking switches close position intake 2, and output end is exported to contact abnormal alarm module.
The pumped storage unit work condition judging with faulty action preventing function and protection throw unloading device and have taken into full account pump-storage generator
Actual motion demand, while as far as possible avoid unnecessary operating mode so that reduce operation maintenance cost；Intake is all using double
Position contact is obtained, will not false triggering change working in any contact generating loop broken string, interference, adhesion.
It should be noted that above content is that to combine specific embodiment made for the present invention further specifically
It is bright, it is impossible to assert that the embodiment of the present invention is only limitted to this, under the above-mentioned guidance of the present invention, those skilled in the art can
To carry out various improvement and deformation on the basis of above-described embodiment, and these are improved or deformation falls in protection model of the invention
In enclosing.
Claims (5)
1. unloading device is thrown in a kind of pumped storage unit work condition judging with faulty action preventing function and protection, it is characterised in that the device includes：
Digital sampling and processing, the discrimination module that module forms is moved back by arbiter and defencive function throwing；The data acquisition process mould
Block, arbiter, defencive function throwing are moved back module and are linked in sequence successively.
2. unloading device, the number are thrown in the pumped storage unit work condition judging according to claim 1 with faulty action preventing function and protection
Intake parameter is received by two-position contact according to acquisition processing module, by output result after the progress logical operation of intake parameter
To the input of arbiter, digital sampling and processing judges whether contact is abnormal always according to the intake parameter of reception；Differentiate
Device according to the result of input judge pump-storage generator whether the one or several kinds in pre-defined operating mode species, and
Output differentiates that result is thrown to defencive function and moves back module；Defencive function throwing moves back module and is determined whether to throw surrender shield dress according to differentiation result
Put；The intake parameter include turbine condenser mode intake 1, turbine condenser mode intake 2, commutation knife generating position close position intake 1,
Close position intake 2, commutation knife and draw water that position intake 1 is closed in position, commutation knife position of drawing water is closed position intake 2, generated electricity in commutation knife generating position
Machine outlet breaker system closes position intake 1, generator outlet circuit breaker system closes position intake 2, generator outlet breaker
System point position intake 1, generator outlet circuit breaker system divide position intake 2, stator zero load above intake 1, stator unloaded
Above intake 2, stator stroke close intake 1, stator stroke closes intake 2, are dragged knife to close position intake 1, dragged knife to close position
Intake 2, dragging knife close position intake 1, dragging knife closes position intake 2, electric braking switch closes position intake 1, electric braking
Switch closes position intake 2；The pre-defined operating mode species include generator operation operating mode, generating start operating performance, generating direction,
Draw water direction, starting of drawing water/give, the operating condition that draws water, the working conditions of phrase modulation that draws water, state of starting operating of drawing water, dragging operating mode, electrically system
Start building condition.
3. unloading device is thrown in the pumped storage unit work condition judging according to claim 2 with faulty action preventing function and protection, described to sentence
Other module includes：Generator operation work condition judging module includes first and module, and first has three inputs and one with module
Output end, the turbine condenser mode result that first input connection negates, second input connection generating position conjunction position result, the 3rd
Individual input connection generator outlet circuit breaker system closes position result, and output end exports generator operation operating mode result to defencive function
Module is moved back in throwing；Generating start operating performance discrimination module includes second and module, and second is defeated with two inputs and one with module
Go out end, position result is closed in first input connection generating position, and second input connection generator outlet circuit breaker system divides position
As a result, output end exports starting and generating operating mode result to defencive function throwing and moves back module；Generating discriminating direction module include the 3rd with
Module, the 3rd has two inputs and an output end with module, first input connection generating position conjunction position result, and second
Individual input connection generator outlet circuit breaker system closes position result, and output end exports generating direction result to defencive function throwing and moved back
Module；Discriminating direction module of drawing water includes the 4th and module, and the 4th has two inputs and an output end with module, and first
Individual input connects position of drawing water and closes position result, and second input connection generator outlet circuit breaker system closes position result, output
End output draw water direction result to defencive function throw move back module；Draw water starting/send discrimination module to include the first or non-module,
One or non-module has two inputs and an output end, first input connection the 3rd and the output end of module, and second
Individual input connection the 4th and the output end of module, output end output send result to be thrown to defencive function and move back module；Draw water operation
Work condition judging module includes the 5th and module, and the 5th has three inputs and an output end, first input with module
Connect position of drawing water and close position result, second input connects stator zero load result above, and the 3rd input connection generator goes out
Mouth circuit breaker system closes position result, and output end exports operating condition result to defencive function throwing of drawing water and moves back module；Draw water phase modulation work
Condition discrimination module includes the 6th and module, and the 6th has three inputs and an output end with module, and first input connects
Connect position of drawing water and close position result, second input connection stator stroke closes result, and the 3rd input connection generator outlet breaks
Road device system closes position result, and output end exports working conditions of phrase modulation result of drawing water, the working conditions of phrase modulation result that will draw water and the operating condition that draws water
As a result mutually or after to defencive function throw move back module；State of starting operating of drawing water discrimination module includes the 7th and module, and the 7th has with module
There are three inputs and an output end, first input connects position of drawing water and close position result, and second input connection is dragged
Knife closes position result, and the 3rd input connection generator outlet circuit breaker system divides position result, and output end output, which has been drawn water, starts building
Condition result, the state of starting operating that will draw water result and starting and generating operating mode result phase or after thrown to defencive function and move back module；Drag operating mode
Discrimination module includes the 8th and module, and the 8th has two inputs and an output end, first input connection with module
Generator outlet circuit breaker system closes position result, and second input connection dragging knife closes position result, and output end output is back-to-back
Start dragging operating mode result, by back to back starting drag operating mode result and draw water state of starting operating result phase or after to defencive function throwing
Move back module；Electric braking work condition judging module includes the 9th and module, and the 9th has two inputs and an output with module
End, first input connection generator outlet circuit breaker system divide position result, second input connection electric braking switch
Position result is closed, output end exports electric braking result to defencive function throwing and moves back module, and electric braking result is shouldered with leaning against
Dynamic dragging operating mode result phase or after thrown to defencive function and move back module.
4. unloading device, the guarantor are thrown in the pumped storage unit work condition judging according to claim 3 with faulty action preventing function and protection
Protection unit includes：Reverse-power protection, wrongly energized protection, generating direction transform er differential protection, the direction transform er differential protection that draws water, take out
Water start/send transform er differential protection, underpower protection, low-voltage variation, low frequency protection, phase sequence, startup over-current protection,
Stator ground fault protection.
5. throw unloading device, the data according to the pumped storage unit work condition judging with faulty action preventing function described in claim 4 and protection
Acquisition processing module includes：First or module, first or module there is two inputs and an output end, first input
Connect turbine condenser mode intake 1, second input connection turbine condenser mode intake 2, output end output turbine condenser mode result；The
One XOR module, the first XOR module have two inputs and an output end, and first input connection turbine condenser mode is opened
Enter amount 1, second input connection turbine condenser mode intake 2, output end is exported to contact abnormal alarm module；Second or mould
Block, second or module there is two inputs and an output end, first input connection commutation knife closes position result 1, second
Individual input connection commutation knife closes position result 2, and position result is closed in output end output generating position；Commutation knife closes position result 1 and passes through commutation
Position intake 1 is closed in knife generating position and commutation knife of the inverted draws water the position conjunction phase of position intake 1 with obtaining, and commutation knife closes position result 2
Position intake 2 is closed by commutation knife generating position and commutation knife of the inverted draws water the position conjunction phase of position intake 2 with obtaining；Second XOR
Module, the second XOR module have two inputs and an output end, and position is closed in first input connection commutation knife generating position
Position intake 2 is closed in intake 1, second input connection commutation knife generating position, and output end is exported to contact abnormal alarm module；
3rd or module, the 3rd or module there is two inputs and an output end, first input connection commutation knife closes position knot
Fruit 3, second input connection commutation knife close position result 4, and output end exports position of drawing water and closes position result；Commutation knife closes position result 3
Closed by commutation knife generating position after position intake 1 negates and commutation knife draws water the position conjunction phase of position intake 1 with obtaining, commutation knife closes position
As a result 4 by commutation knife generating position close position intake 2 negate after and commutation knife draw water position conjunction the phase of position intake 2 with obtaining；3rd
XOR module, the 3rd XOR module have two inputs and an output end, and first input connection commutation knife draws water position
Close position intake 1, position intake 2 is closed in second input connection commutation knife position of drawing water, and output end is exported to contact abnormal alarm
Module；4th or module, the 4th or module there is two inputs and an output end, first input connection generator goes out
Mouth circuit breaker system position result 1, second input connection generator outlet circuit breaker system position result 2, output end is defeated
Go out generator outlet breaker system and close position result；Generator outlet circuit breaker system position result 1 is broken by generator outlet
Road device system closes position intake 1 and the phase of generator outlet circuit breaker system point position intake 1 of the inverted with obtaining, and generator goes out
Mouth circuit breaker system position result 2 passes through generator outlet circuit breaker system and closes position intake 2 and generator outlet of the inverted
The phase of circuit breaker system point position intake 2 is with obtaining；4th XOR module, the 4th XOR module are defeated with two inputs and one
Go out end, first input connection generator outlet circuit breaker system closes position intake 1, and second input connection generator goes out
Mouth circuit breaker system closes position intake 2, and output end is exported to contact abnormal alarm module；5th or module, the 5th or module tool
There are two inputs and an output end, first input connection generator outlet circuit breaker system position result 3, second
Input connection generator outlet circuit breaker system position result 4, output end output generator outlet breaker system point position is tied
Fruit；Generator outlet circuit breaker system position result 3 is closed by generator outlet circuit breaker system after position intake 1 negates and hair
For the phase of motor outlet breaker system point position intake 1 with obtaining, generator outlet circuit breaker system position result 4 passes through generator
Outlet breaker system is closed after position intake 2 negates and the phase of generator outlet circuit breaker system point position intake 2 is with obtaining；5th
XOR module, the 5th XOR module have two inputs and an output end, and first input connection generator outlet breaks
Road device system divides position intake 1, and second input connection generator outlet circuit breaker system divides position intake 2, and output end is defeated
Go out to contact abnormal alarm module；6th or module, the 6th or module there is two inputs and an output end, first is defeated
Enter end connection stator zero load above intake 1, second input connection stator zero load above intake 2, output end output is led
Leaf zero load result above；6th XOR module, the 6th XOR module have two inputs and an output end, first input
End connection stator zero load above intake 1, second input connection stator zero load above intake 1, output end are exported to connecing
Point abnormal alarm module；7th or module, the 7th or module there is two inputs and an output end, first input connects
Connect stator stroke and close intake 1, second input connection stator stroke closes intake 2, and output end output guide blade stroke closes knot
Fruit；7th XOR module, the 7th XOR module have two inputs and an output end, and first input connects stator row
Journey closes intake 1, and second input connection stator stroke closes intake 2, and output end is exported to contact abnormal alarm module；The
Eight or module, the 8th or module there is two inputs and an output end, first input connection dragged knife close position open into
Amount 1, second input connection are dragged knife to close position intake 2, and output end output is dragged knife to close position result；8th XOR module,
8th XOR module has two inputs and an output end, and first input, which connects, is dragged knife conjunction position intake 1, and second
Individual input connection is dragged knife to close position intake 2, and output end is exported to contact abnormal alarm module；9th or module, the 9th or
Module has two inputs and an output end, and first input connection dragging knife closes position intake 1, second input
Connection dragging knife closes position intake 2, and output end output dragging knife closes position result；9th XOR module, the 9th XOR module have
Two inputs and an output end, first input connection dragging knife close position intake 1, second input connection dragging
Knife closes position intake 2, and output end is exported to contact abnormal alarm module；Tenth or module, the tenth or module there are two inputs
End and an output end, first input connect electric braking switch and close position intake 1, and second input connection is electrically made
Dynamic switch closes position intake 2, and output end output electric braking switch closes position result；Tenth XOR module, the tenth XOR module tool
There are two inputs and an output end, first input connection electric braking switch closes position intake 1, second input
Connect electric braking switch and close position intake 2, output end is exported to contact abnormal alarm module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711123015.7A CN107834600B (en) | 2017-11-14 | 2017-11-14 | Working condition judging and protection switching device with misoperation preventing function for pumping and storage unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711123015.7A CN107834600B (en) | 2017-11-14 | 2017-11-14 | Working condition judging and protection switching device with misoperation preventing function for pumping and storage unit |
Publications (2)
| Publication Number | Publication Date |
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| CN107834600A true CN107834600A (en) | 2018-03-23 |
| CN107834600B CN107834600B (en) | 2020-04-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03261399A (en) * | 1990-03-12 | 1991-11-21 | Tokyo Electric Power Co Inc:The | Operation control system of variable speed pumped-storage power generation system |
| CN105552857A (en) * | 2015-12-17 | 2016-05-04 | 国家电网公司 | Working condition judgment method applied to relay protection device of pumped-storage unit |
| CN105549503A (en) * | 2015-12-09 | 2016-05-04 | 国家电网公司 | Pumped storage unit run-out protection and monitoring system |
| CN106154070A (en) * | 2015-03-30 | 2016-11-23 | 南京南瑞继保电气有限公司 | Pump-storage generator operating condition method of calibration based on electric parameters feature and device |
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2017
- 2017-11-14 CN CN201711123015.7A patent/CN107834600B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03261399A (en) * | 1990-03-12 | 1991-11-21 | Tokyo Electric Power Co Inc:The | Operation control system of variable speed pumped-storage power generation system |
| CN106154070A (en) * | 2015-03-30 | 2016-11-23 | 南京南瑞继保电气有限公司 | Pump-storage generator operating condition method of calibration based on electric parameters feature and device |
| CN105549503A (en) * | 2015-12-09 | 2016-05-04 | 国家电网公司 | Pumped storage unit run-out protection and monitoring system |
| CN105552857A (en) * | 2015-12-17 | 2016-05-04 | 国家电网公司 | Working condition judgment method applied to relay protection device of pumped-storage unit |
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| Title |
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| 陈俊 等: "大型抽水蓄能机组控制保护关键技术研究进展", 《水电与抽水蓄能》 * |
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