CN108680819A - A kind of change of current becomes protection exit circuit and matrix test method - Google Patents
A kind of change of current becomes protection exit circuit and matrix test method Download PDFInfo
- Publication number
- CN108680819A CN108680819A CN201810507755.9A CN201810507755A CN108680819A CN 108680819 A CN108680819 A CN 108680819A CN 201810507755 A CN201810507755 A CN 201810507755A CN 108680819 A CN108680819 A CN 108680819A
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- outlet
- change
- circuit
- current
- matrix
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
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Abstract
Become protection exit circuit the present invention provides a kind of change of current and matrix test method includes the following steps, step 1:The change of current is become into 10 groups of circuits of electricity protective device and accesses corresponding outlet loop name interface;Step 2:Protective device pressing plate is put into, simulated failure amount, corresponding electric quantity protective action, circuit conducting are added.Whether the indicator light point of the corresponding title of observation is bright;Step 3:If corresponding indicator light is lighted, and other 9 groups of circuit indicator lights do not work, then outlet loop and outlet matrix are correct, and observe and record the time record result on side;Step 4:If the indicator light lighted is incorrect or time result is incorrect, illustrate that the change of current becomes protection associated outlet circuit and matrix is wrong, need to investigate and handle the mistake that the change of current becomes electricity protective device.The present invention can replace traditional test method, be more clear and intuitively carry out the test that the change of current becomes electricity protection exit circuit and outlet matrix.
Description
Technical field
The present invention relates to the changes of current to become electric quantity test technical field, becomes protection exit circuit and square more particularly, to a kind of change of current
Battle array test method.
Background technology
Henan Province is domestic, has 2 Lingbao City's current conversion station, Central Region current conversion station converting plants, this Liang Zuo substation annual at present
There is carry out annual test, and the electric quantity protective outlet loop that the interior change of current in station becomes and the big event for exporting annual test when matrix is tested.It passes
The method that the test change of current of system becomes electricity protection exit circuit and exports matrix is to use multimeter measuring loop break-make, Huo Zheduo
It is secondary to repeat belt switch action.The method of multimeter measuring loop break-make needs to be carried out by 3 professionals, and 1 people is in electric quantity protective
Before screen plus simulated failure amount, 1 people measure the break-make of outlet junctions after screen with multimeter, and 1 people guards.Add before screen when test
Amount personnel, by cooperation of propagandaing directed to communicate, move back each output clamping in addition being thrown one by one after simulated failure amount, make with survey crew after screen
When with this method, multimeter need one by one each corresponding outlet loop contact of repeated measurement see whether break-make.It uses
The method of belt switch transmission, needs 3-4 people to coordinate, and need to switch multiple division, can detract primary equipment service life.
The document of Publication No. CN101706545 A discloses a kind of trip protection outlet loop test method, it includes
Following steps:The first step puts into the trip pressing plate of any tripping outlet loop, allows protective device to act, surveyed at this time with multimeter
It is logical to measure the tripping outlet loop;Second step, while exiting the trip pressing plate of the tripping outlet loop, input it is every other
Trip pressing plate, allow protective device to act again, the tripping outlet loop measured with multimeter, according to the tripping outlet loop
Whether logical and obstructed two kinds of situations, respectively can be through the tripping of other tripping outlet loops to the tripping contact of the tripping outlet loop
Whether there is or not parasitic loops to judge between pressing plate outlet, trip(ping) circuit.In second step, the tripping outlet loop is measured with multimeter
To be obstructed, then be judged as the tripping outlet loop tripping contact will not through other tripping outlet loops trip pressing plate outlet,
Without parasitic loop between trip(ping) circuit, that is, judge the test result for qualification.But the test method needs to carry out using universal meter anti-
Repetition measurement amount, use are very inconvenient.
The document of Publication No. CN107064693 A discloses a kind of protective relaying device outlet matrix test device and examination
Proved recipe method, the first communication interface and trip protection outlet junctions for being tested protective relaying device are exported with protective relaying device respectively
First communication interface of matrix test device is opened with switching value to be connected into contact;Protective relaying device exports matrix test device
Second ethernet communication interface is connect with relay-protection tester the second ethernet communication interface;The electric current of relay-protection tester
Analog output interface circuit, switching value output contact and voltage analog the output interface electric current with tested protective relaying device respectively
Analog input interface, switching value, which are opened, to be connected into contact with power supply analog input interface, but this method needs to switch transmission, needs
Multiple closure is switched, primary equipment service life can be detracted.
Invention content
In view of this, in view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of changes of current to become protection exit circuit
And matrix test method, outlet loop is directly introduced into test interface, is not necessarily to multimeter repeated measurement break-make, reduces belt switch
Transmission reduces primary equipment damage, reduces manually, saves the time.
In order to achieve the above objectives, the present invention uses following technical scheme:
A kind of change of current becomes protection exit circuit and matrix test method, includes the following steps:
Step 1:The change of current is become into 10 groups of circuits of electricity protective device and accesses corresponding outlet loop name interface;
Step 2:Protective device pressing plate is put into, simulated failure amount, corresponding electric quantity protective action, circuit conducting, observation is added to correspond to
Whether the indicator light point of title is bright;
Step 3:If corresponding indicator light is lighted, and other 9 groups of circuit indicator lights do not work, then outlet loop and the outlet correct nothing of matrix
It misses, and observes and records the time record result on side;
Step 4:If the indicator light lighted is incorrect or time result is incorrect, illustrate that the change of current becomes protection associated outlet and returns
Road and matrix are wrong, need to investigate and handle the mistake that the change of current becomes electricity protective device.
Further, 10 groups of outlet loops in the step 1 are respectively that circuit breaker trip exports 4 groups, phase shift closes
4 groups of lock tripping outlet, start failure protection, which export 1 group and release voltage blocking, exports 1 group.
Further, the circuit breaker trip exports in the primary connection circuit of 4 groups of access change of current changing distances, is respectively designated as
The outlet of 5013 switch trips, the outlet of 5012 switch trips, the outlet of 3333 switch trips and the outlet of 3332 switch trips.
Further, the time record described in the step 3 by the change of current the result is that become in electricity protective device
Timing module realize.
Further, 4 groups of the phase shift locking tripping outlet, 1 group of start failure protection outlet and the releasing voltage close
1 group of mouth is lock out to be respectively connected in the secondary circuit of protective device.
Further, the 5013 switch trip outlet, 5012 switch trip outlet are connected to change of current changing distance
On the busbar of the 500KV of primary connection circuit, the 3333 switch trip outlet, 3332 switch trip outlet are connected to the change of current
On the busbar of the primary connection circuit 300KV of changing distance.
Further, the busbar of the busbar of the 500KV and the 300KV are attached by the valve Room between the two.
The beneficial effects of the invention are as follows:
1, a kind of change of current provided by the invention becomes protection exit circuit and matrix test method can monitor that the change of current becomes electricity and protects simultaneously
Protect 10 groups of outlet loops.This method once can access the change of current and become electricity protective device all outlet ports circuit, while realizing 10 and going out
The test in mouth circuit, reduces repeated work, shortens the activity duration, and can improve accurate testing degree with timing.
2, repetition operation can be reduced, breaker actuation number is reduced.Traditional electric quantity protective outlet loop and outlet matrix
When test jobs, multimeter amount is needed to carry out repeated measurement to the break-make situation of the same circuit, and can only monitor one every time
Circuit.When especially doing the test of outlet matrix, multiple repeated measurement break-make is needed;Or outlet matrix all bands of each protection
Dynamic switch outlet is primary, and switch is caused to be driven repeatedly, reduces the primary equipment service life.Using method used in the present invention, it is not necessarily to
It is monitored repeatedly using multimeter, does not need each outlet loop and the outlet equal belt fuser perseveration of matrix.
3, interface is clear and intuitive.Display interface includes main wiring diagram, outlet loop title, and indicator light is connected in outlet loop,
Timing result.When test, a certain outlet loop conducting, the then indicator light for corresponding to title is lighted, and on-site personnel is very clear,
It without manually recorded, will not repeat, will not omit.
4, artificial use can be reduced.When traditional relay electric quantity protective outlet loop and outlet matrix test jobs, 3-5 is needed
People coordinates.And the method for using the test, it is not necessarily to multimeter amount break-make, is driven without belt switch repeatedly, it is 1-2 capable of reducing using
Human cost is greatly saved in staff.
In short, the present invention can replace the test method of conventional method, such as with multimeter amount break-make, or multiplicating band
Switch motion, to be more clear the test for intuitively carrying out the change of current and becoming electricity protection exit circuit and outlet matrix.
Description of the drawings
Fig. 1:A kind of change of current of the present invention becomes protection exit circuit and matrix test method flow chart of steps;
Fig. 2:A kind of change of current of the present invention becomes the change of current changing distance display interface of protection exit circuit and matrix test method;
Fig. 3:A kind of change of current of the present invention becomes the display working interface of the change of current changing distance of protection exit circuit and matrix test method
Figure.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
The every other embodiment that personnel are obtained, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of change of current becomes protection exit circuit and matrix test method, include the following steps:
Step 1:The change of current is become into 10 groups of circuits of electricity protective device and accesses corresponding outlet loop name interface;When experiment, it will change
Rheology electric quantity protective device each group circuit accesses corresponding outlet loop and names interface, for example the change of current is become electric quantity protective and starts mistake
Clever outlet loop access and the interface that " change of current becomes the outlet of electric quantity protective start failure protection " is consistent in Fig. 2.
Step 2:Protective device pressing plate is put into, simulated failure amount, corresponding electric quantity protective action, circuit conducting, observation are added
Whether the indicator light point of corresponding title is bright;
Step 3:After pressing plate is put into, corresponding electric quantity protective action, after the conducting of circuit, if corresponding indicator light is lighted, and other 9
Group circuit indicator light does not work, then outlet loop and outlet matrix are correct, and observes and records the time record result on side;
Step 4:If the indicator light lighted is incorrect or time result is incorrect, illustrate that the change of current becomes protection associated outlet and returns
Road and matrix are wrong, need to investigate and handle the mistake that the change of current becomes electricity protective device.If the corresponding positive positive motion of electric quantity protective
After work, corresponding indicator light is non-lit up or a circuit outlet, cause multiple indicator lights light or a kind of protection act after,
The indicator light of homography is non-lit up, and the indicator light of homography is not lighted, then judges that outlet loop or outlet matrix may have
Mistake needs to check.After each protection act, corresponding exit lighting is correctly lighted, then completes change of current change electric quantity protective and go out
Mouth circuit and outlet matrix test.
The change of current as shown in Figure 2 becomes electricity protection exit test display interface, and the primary master for containing change of current changing distance connects
Line chart 1, corresponding 10 groups of outlet loops name 2 and round indicator light 3.
10 groups of outlet loops in the step 1 are respectively that circuit breaker trip exports 4 groups, phase shift locking tripping outlet
4 groups, 1 group of start failure protection outlet and releasing voltage blocking export 1 group.
The circuit breaker trip exports in the primary connection circuit of 4 groups of access change of current changing distances, is respectively designated as 5013 switches
Tripping outlet, the outlet of 5012 switch trips, the outlet of 3333 switch trips and the outlet of 3332 switch trips.They are in primary connection circuit
Interior to connect one to one with corresponding interface, corresponding 4 groups of outlet loops can accurately be shown 5013 in primary connection circuit
The operating status of switch, 5012 switches, 3333 switches, 3332 switches.
Time record described in the step 3 by the change of current the result is that become the timing module in electricity protective device
It realizes, after pressing plate is put into, simulated failure amount, corresponding electric quantity protective action is added to correspond to the instruction of title after the conducting of circuit
Lamp is lighted, and the timing module that the change of current becomes inside electricity protective device can be shown from faulty amount, arrive outlet loop junction closure
Time, and pass through the display working interface figure that a kind of change of current becomes the change of current changing distance of protection exit circuit and matrix test method
Right side show specific time parameter, i.e., the round indicator light before " change of current becomes electric quantity protective start failure protection " is lit,
And showing timing result, specific display interface is clear and intuitive, as shown in Figure 3.
4 groups of the phase shift locking tripping outlet, the start failure protection exports 1 group and the releasing voltage blocking exports 1 group
The change of current is respectively connected to become in the secondary circuit of electricity protective device, it is unrelated with the live main wiring diagram of primary equipment.
The 5013 switch trip outlet, 5012 switch trip outlet are connected to the primary connection circuit of change of current changing distance
500KV busbar on, 3333 switch trip outlet, 3332 switch trip outlet are connected to the one of change of current changing distance
On the busbar of the 300KV of secondary main electrical scheme.It is corresponded and is connected with corresponding 4 groups of outlet loops by the main electrical scheme of change of current changing distance
Connect, when performing a test, can clear and intuitive ground display interface include main wiring diagram, outlet loop title, outlet loop conducting
Indicator light, timing result, a certain outlet loop conducting, the then indicator light for corresponding to title are lighted, and on-site personnel is very clear,
It without manually recorded, will not repeat, will not omit.
The busbar of the busbar of the 500KV and the 300KV are electrically connected by the valve Room between the two, described
The outlet of 5013 switch trips, 5012 switch trip outlet are connected to the both ends of the busbar of 500KV and 3333 switch is jumped
Lock outlet, 3332 switch trip outlet are connected to the upper of the busbar of 300KV.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical scheme of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of change of current becomes protection exit circuit and matrix test method, it is characterised in that:Include the following steps:
Step 1:The change of current is become into 10 groups of circuits of electricity protective device and accesses corresponding outlet loop name interface;
Step 2:Protective device pressing plate is put into, simulated failure amount, corresponding electric quantity protective action, circuit conducting, observation is added to correspond to
Whether the indicator light point of title is bright;
Step 3:If corresponding indicator light is lighted, and other 9 groups of circuit indicator lights do not work, then outlet loop and the outlet correct nothing of matrix
It misses, and observes and records the time record result on side;
Step 4:If the indicator light lighted is incorrect or time result is incorrect, illustrate that the change of current becomes protection associated outlet and returns
Road and matrix are wrong, need to investigate and handle the mistake that the change of current becomes electricity protective device.
2. a kind of change of current according to claim 1 becomes protection exit circuit and matrix test method, it is characterised in that:It is described
10 groups of outlet loops in step 1 are respectively that circuit breaker trip exports 4 groups, phase shift locking tripping outlet 4 groups, start failure protection
It exports 1 group and releases voltage blocking and export 1 group.
3. a kind of change of current according to claim 2 becomes protection exit circuit and matrix test method, it is characterised in that:It is described
Circuit breaker trip exports in the primary connection circuit of 4 groups of access change of current changing distances, is respectively designated as the outlet of 5013 switch trips, 5012
Switch trip outlet, the outlet of 3333 switch trips and the outlet of 3332 switch trips.
4. a kind of change of current according to claim 1 becomes protection exit circuit and matrix test method, it is characterised in that:It is described
Time record described in step 3 is the result is that the timing module become in electricity protective device by the change of current was realized.
5. a kind of change of current according to claim 2 becomes protection exit circuit and matrix test method, it is characterised in that:It is described
4 groups of phase shift locking tripping outlet, the start failure protection export 1 group and the releasing voltage blocking exports 1 group and is respectively connected to protect
In the secondary circuit of device.
6. a kind of change of current according to claim 3 becomes protection exit circuit and matrix test method, it is characterised in that:It is described
The outlet of 5013 switch trips, 5012 switch trip outlet are connected to the mother of the 500KV of the primary connection circuit of change of current changing distance
On line, the 3333 switch trip outlet, 3332 switch trip outlet are connected to the primary connection circuit of change of current changing distance
On the busbar of 300KV.
7. a kind of change of current according to claim 6 becomes protection exit circuit and matrix test method, it is characterised in that:It is described
The busbar of the busbar of 500KV and the 300KV are attached by the valve Room between the two.
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CN201810507755.9A CN108680819A (en) | 2018-05-24 | 2018-05-24 | A kind of change of current becomes protection exit circuit and matrix test method |
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CN201810507755.9A CN108680819A (en) | 2018-05-24 | 2018-05-24 | A kind of change of current becomes protection exit circuit and matrix test method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110286274A (en) * | 2019-05-21 | 2019-09-27 | 贵州电网有限责任公司 | A kind of relay protection tripping outlet matrix fast verification device |
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CN107064693A (en) * | 2017-05-25 | 2017-08-18 | 贵州电网有限责任公司电力科学研究院 | A kind of protective relaying device outlet matrix test device and test method |
CN107238768A (en) * | 2017-05-15 | 2017-10-10 | 国家电网公司 | A kind of direct current protecting time on-site calibration device and method based on same clock source |
CN206557339U (en) * | 2016-12-21 | 2017-10-13 | 海南电力技术研究院 | Relay protection Tripping matrix testing tool |
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