CN206161781U - Generator rotor earth fault analogue means - Google Patents
Generator rotor earth fault analogue means Download PDFInfo
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- CN206161781U CN206161781U CN201621162521.8U CN201621162521U CN206161781U CN 206161781 U CN206161781 U CN 206161781U CN 201621162521 U CN201621162521 U CN 201621162521U CN 206161781 U CN206161781 U CN 206161781U
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- generator rotor
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- protection
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Abstract
The utility model provides a - kind of generator rotor earth fault analogue means. The device includes the device casing, connects protection terminal, earthing position terminal, ground resistance terminal. The the device substituted real generator rotor test for the inside winding of simulation generator rotor is to macroaxis ground resistance size and ground connection scope, generator rotor ground resistance test can be simulated alone, also can the earthing position test can also be simulated in simulation generator rotor ground resistance test. Through the device simulation generator rotor state of insulation, can whether measure correctly by quick check -up generator rotor ground protection, will you please announce generator rotor ground resistance and earthing position. The utility model discloses integrate the split type device of conventionality together like precision resistor case, slide wire resistor, have the very strong portable function of taking, and simulation generator rotor ground resistance scope is big, and earthing position is accurate, can be used to big or middle, small power station's protection against rotor ground check -up.
Description
Technical field
The utility model is related to a kind of generator amature fault simulation technology, more particularly to a kind of generator rotor ground event
Barrier analogue means, belongs to power system maintenance instrumentation field.
Background technology
In power system, in various power plants, the service work of generator rotor ground protection is in its protection system maintenance
Occupy an important position in work, can it be one and be directly connected to after the multiple labour of gen-set maintenance and normally run, generate electricity
Factory production can effectively, economy, the important technical of safe operation.Service work is protected in existing generator rotor ground
In, maintainer is using conventional two part arrangement such as precision resistance case, slide wire resistor and high-power DC power supply etc. to sending out
Rotor ground protection is verified.It is big, heavy, inconvenient to carry using these instruments and its volume of device, and wiring
Complexity, onsite application is more inconvenient；If upkeep operation and improper use also easily cause protection device damage, so as to affect to generate electricity
The maintenance duration and repair quality of machine rotor ground protection.
The content of the invention
The purpose of this utility model is to provide a kind of compact conformation, easy to use, be may replace truly i.e. actually used
Generator amature rotor earth fault protection is carried out rapid verification-kind of generator rotor ground failure simulation device.
For achieving the above object, the utility model is made up of following technical measures technical scheme is realizing.
Described in the utility model-kind of generator rotor ground failure simulation device, including device case, connect protection terminal,
Earthing position terminal, earth resistance terminal；The protection terminal that connects has three binding posts altogether, is analogue means and generator
The interface of rotor earth fault protection, the earthing position terminal one has five binding posts, is for simulating in generator amature
Portion's winding, the earth resistance terminal one has ten binding posts, is for simulating generator amature to big axle earth terminal
Resistance sizes.
In above-mentioned technical proposal, three binding posts for connecing protection terminal are on simulation generator amature electrical structure
" rotor is just ", " rotor bear ", " big axle " end, when generator rotor ground protection is connected with analogue means, the analogue means
May replace actually used generator amature to be tested.
In above-mentioned technical proposal, it is used to simulate five wiring of generator amature inside winding in the earthing position terminal
Terminal, draws five binding posts and constitutes 0%, 25%, 50%, 75%, 100% earthing position in its internal winding；Difference mould
Earthing position is in 0%, 25%, 50%, 75%, 100% scope when sending out rotor earth fault.
In above-mentioned technical proposal, in ten binding posts of the earth resistance terminal, generator rotor ground is simulated respectively
During failure earth resistance be 0 Europe, 1 kilo-ohm, 2.5 kilo-ohms, 5 kilo-ohms, 7.5 kilo-ohms, 10 kilo-ohms, 15 kilo-ohms, 20 kilo-ohms, 25 kilo-ohms,
50 kilo-ohms of ten states.
A kind of generator rotor ground failure simulation device described in the utility model, the analogue means covers power train substantially
System generator rotor ground protection test request.Protection terminal, earthing position terminal, earth resistance end are connect described in analogue means
The parts such as son arrange on the device housing possess very strong portable function；Generator rotor ground resistance test can be individually simulated,
Can also analogue ground position measurement while can testing generator rotor ground resistance is simulated.
A kind of generator rotor ground failure simulation device described in the utility model has the advantage that and Advantageous effect
Really：
1st, generator rotor ground failure simulation device described in the utility model, by the analogue means generator is connected to
Rotor ground protection device, by the unit simulation generator rotor insulation state, can rapid verification generator rotor ground guarantor
Can whether shield measures correct, quote generator rotor ground resistance and earthing position.
2nd, analogue means described in the utility model, conventional two part arrangement such as precision resistance case, slide wire resistor is whole
It is combined together, with very strong Portable belt function；And simulate generator rotor ground resistance scope greatly, earthing position is accurate,
Can be used for large, medium and small type power plant generator rotor ground protective calibration.
3rd, analogue means described in the utility model, its simple structure, detection are reliable and stable, operate with extremely convenient,
And it is with low cost.
4th, analogue means described in the utility model, can individually simulate generator rotor ground resistance test, also can be in simulation
Generator rotor ground resistance can also analogue ground position measurement while test；And verification generator rotor ground protection side
Just it is quick, shorten the maintenance duration of generator rotor ground protection and improve repair quality；And eliminate power equipment hidden danger,
Protection power equipment safety, to ensure safe operation of power system.
Description of the drawings
The overall structure schematic elevation view of Fig. 1 generator rotor ground failure simulation devices described in the utility model；
Analogue means described in Fig. 2 the utility model embodiments is connected to the protection test lead of generator rotor ground protection
Sub- schematic diagram.
In figure, 1 device case, 2 connect protection terminal, and 3 earthing position terminals, 4 earth resistance terminals, 5 generator amatures connect
Ground protection, 6 rotor measurement ends.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings and with specific embodiment, but is not meant to be
Any restriction to the utility model protection domain.
A kind of generator rotor ground failure simulation device described in the utility model, its overall structure is as shown in Figure 1.Institute
Stating analogue means includes device case 1, connects protection terminal 2, earthing position terminal 3, earth resistance terminal 4；It is described to connect protection end
Son 2 one has three binding posts, the respectively positive 2-1 of rotor, and rotor bears 2-2, big axle 2-3, and these three binding posts are simulations
Device protects the interface at 5 rotor measurement ends 6 with generator rotor ground, for simulating on true generator amature electrical structure
" rotor is just ", " rotor is born ", " big axle ", may replace real generator amature and are tested.The earthing position terminal 3 has altogether
There are five binding posts, be respectively 0% position terminals 3-1 of ground connection, 25% position terminals 3-2 of ground connection, 50% position terminals of ground connection
3-3,75% position terminals 3-4 of ground connection, 100% position terminals 3-5 of ground connection, are that device is used to simulate generator amature inside winding
0%th, 25%, 50%, 75%, 100% earth fault position.The earth resistance terminal 4 has ten binding posts, is respectively 0
Europe earth resistance 4-1,1 kilo-ohm of earth resistance 4-2,2.5 kilo-ohms of earth resistance 4-3,5 kilo-ohms of earth resistance 4-4,7.5 kilo-ohms connect
Ground resistance 4-5,10 kilo-ohms of earth resistance 4-6,15 kilo-ohms of earth resistance 4-7,20 kilo-ohms of earth resistance 4-8,25 kilo-ohms of ground connection electricity
Resistance 4-9,50 kilo-ohms of earth resistance 4-10, be device be used to simulating generator amature be to the resistance of big axle earth terminal 0 Europe, 1,000
Europe, 2.5 kilo-ohms, 5 kilo-ohms, 7.5 kilo-ohms, 10 kilo-ohms, 15 kilo-ohms, 20 kilo-ohms, 25 kilo-ohms, 50 kilo-ohms of state.
In Fig. 2, in generator rotor ground failure simulation device described in the utility model protection terminal 2 and generator are connect
The annexation at the rotor measurement end 6 of rotor earth fault protection 5.
Embodiment
The present embodiment connects protection terminal 2 with generator rotor ground protection 5 according to Fig. 2 in the analogue means
Rotor measurement end 6 connect, respectively the positive 2-1 of rotor is connected with positive measurement end 6-1 of rotor, the negative 2-2 of rotor and the negative measurement of rotor
End 6-2 connections, big axle 2-3 is connected with big axle measurement end 6-3；Now analogue means has been substituted real generator amature to sending out
Rotor ground protection 5 carries out verifying work；Such as want to test generator rotor ground protection 5 in 25% earthing position and connect
During ground correctness of the resistance under 1 kilo-ohm of state, only need to 25% position terminals 3-2 of ground connection and 1 kilo-ohm of earth resistance 4-2 short circuit
.If during correctness of the test generator rotor ground protection 5 under other earthing positions and earth resistance state of value, equally
Only need to be by corresponding earthing position and grounding resistance short circuit.Protective calibration, convenient quickly are carried out using this analogue means；
It is operated inside the true generator amature for avoiding enter into bulky, great thousands of tons of.
Protection terminal 2, earthing position terminal 3, the part of earth resistance terminal 4 are connect in analogue means described in the present embodiment uniform
Put on device case 1.The analogue means possesses strong portable function, can individually simulate generator rotor ground resistance test,
While can testing generator rotor ground resistance is simulated also can the test of model rotor earthing position, may replace real generating
Machine rotor rotor earth fault protection is carried out rapid verification-kind of generator rotor ground failure simulation device.The utility model institute
State analogue means and cover electric system generator rotor earth fault protection test request substantially.
Claims (4)
1.-kind of generator rotor ground failure simulation device, it is characterised in that including device case (1), connect protection terminal (2),
Earthing position terminal (3), earth resistance terminal (4)；The protection terminal (2) that connects has three binding posts, is simulation dress
The interface with generator rotor ground protection is put, the earthing position terminal (3) has five binding posts, is for simulating
Generator amature inside winding, the earth resistance terminal (4) has ten binding posts, is for simulating generator amature
Resistance sizes to big axle earth terminal.
2. according to claim 1-kind of generator rotor ground failure simulation device, it is characterised in that described to connect protection end
Three binding posts of sub (2) are to simulate " rotor is just ", " rotor is born ", " big axle " end on generator amature electrical structure, when
When protection calibrating terminal (6) is connected with analogue means in generator rotor ground protection (5), the analogue means may replace really
Generator amature is tested.
3. according to claim 1-kind of generator rotor ground failure simulation device, it is characterised in that the earthing position
Terminal (3) draws five binding posts for simulating five binding posts of generator amature inside winding in its internal winding
Constitute 0%, 25%, 50%, 75%, 100% earthing position；Earthing position exists when simulating generator rotor ground failure respectively
0%th, 25%, 50%, 75%, 100% scope.
4. a kind of generator rotor ground failure simulation device according to claim 1, it is characterised in that the earth resistance
In (4) ten binding posts of terminal, respectively simulate generator rotor ground failure when earth resistance be 0 Europe, 1 kilo-ohm, 2.5 thousand
Europe, 5 kilo-ohms, 7.5 kilo-ohms, 10 kilo-ohms, 15 kilo-ohms, 20 kilo-ohms, 25 kilo-ohms, 50 kilo-ohms of ten states.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162521.8U CN206161781U (en) | 2016-10-25 | 2016-10-25 | Generator rotor earth fault analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162521.8U CN206161781U (en) | 2016-10-25 | 2016-10-25 | Generator rotor earth fault analogue means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161781U true CN206161781U (en) | 2017-05-10 |
Family
ID=58655136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621162521.8U Active CN206161781U (en) | 2016-10-25 | 2016-10-25 | Generator rotor earth fault analogue means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375734A (en) * | 2018-03-14 | 2018-08-07 | 中广核核电运营有限公司 | A kind of generator amature RSO test simulators, simulation system and application method |
-
2016
- 2016-10-25 CN CN201621162521.8U patent/CN206161781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375734A (en) * | 2018-03-14 | 2018-08-07 | 中广核核电运营有限公司 | A kind of generator amature RSO test simulators, simulation system and application method |
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