CN107462830B - Intelligent micro-circuit breaker synchronism test method and device - Google Patents

Intelligent micro-circuit breaker synchronism test method and device Download PDF

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Publication number
CN107462830B
CN107462830B CN201710441414.1A CN201710441414A CN107462830B CN 107462830 B CN107462830 B CN 107462830B CN 201710441414 A CN201710441414 A CN 201710441414A CN 107462830 B CN107462830 B CN 107462830B
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breaker
time
line
input terminal
same period
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CN107462830A (en
Inventor
熊德智
陈向群
李劲柏
胡军华
吴志勇
陈浩
黄瑞
申丽曼
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State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Metering Center of State Grid Hunan Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Metering Center of State Grid Hunan Electric Power Co Ltd
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Publication of CN107462830A publication Critical patent/CN107462830A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Breakers (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention discloses a kind of intelligent micro-circuit breaker synchronism test methods, including switching synchronization to test, step are as follows: S01, be shorted the input terminal parallel connection of all poles of breaker and access power supply L line;S02, the operation handle of breaker is pushed to make its combined floodgate manually, record each output end of breaker obtains the electric time;S03, each output end of breaker is obtained to difference between electric time maximum value and time minimum value as the time same period of closing a floodgate, closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified.Test method of the invention has many advantages, such as to improve breaker closing reliability.The invention also discloses a kind of intelligent micro-circuit breaker synchronism experimental rig, including power supply unit and time test unit, the input terminal of the pole the L access breaker of power supply unit, the input terminal of time test unit is connected with the output end of breaker.Experimental rig of the invention has many advantages, such as that structure is simple, easy to operate.

Description

Intelligent micro-circuit breaker synchronism test method and device
Technical field
The invention mainly relates to intelligent micro-circuit breaker the field of test technology, refer in particular to a kind of intelligent micro-circuit breaker synchronism Test method and device.
Background technique
With the development and the improvement of people's living standards of national economy technology, electric energy has become people's production and life One of essential energy in work.Electric energy meter is as the work uniquely measured to the electric energy that user uses in electric system Tool, importance are naturally self-evident.
Simultaneously as intelligent now and unmanned technology development, have the intelligent of long-range power-off and closing function Electric energy meter has become the mainstream electric energy meter of electric system now.The type electric energy meter generally has external breaker, electric energy The controller of table controls turning on and off for peripheral breaker according to the data of electric energy meter and the data of user, thus realize to The long-range power-off at family and combined floodgate.Since breaker directly controls power-off and the combined floodgate of user, its reliability is proposed higher It is required that but used breaker causes it to use at the scene there is no the test in the enterprising professional etiquette model of each performance at present When there are more failures.
Summary of the invention
The technical problem to be solved in the present invention is that, for technical problem of the existing technology, the present invention provides one Kind improve the intelligent micro-circuit breaker synchronism test method of breaker functional reliability, and accordingly provide a kind of structure it is simple, Intelligent micro-circuit breaker synchronism experimental rig easy to operate.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of intelligent micro-circuit breaker synchronism test method, including switching synchronization test, specific steps are as follows:
S01, the input terminal parallel connection of all poles of breaker is shorted and accesses power supply L line;
S02, the operation handle for pushing breaker manually, make breaker closing, when record each output end of breaker obtains electric Between;
S03, the difference obtained each output end of breaker between electric time maximum value and time minimum value are same as closing a floodgate Time phase closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified.
As a further improvement of the above technical scheme:
In step S03, when breaker qualification, the value of the N line output terminal with opening and closing neutral pole is less than each output end of L line Value.
In step S03, when breaker qualification, the value of the N line output terminal with protection pole is if it is greater than each output end of L line Value, then the value of N line output terminal subtract each output end of L line value be less than standard close a floodgate the time same period.
In step S02, the intermediate position of the operation handle of breaker or the position at both ends are pushed manually, makes breaker It closes a floodgate.
It further include the test of separating brake synchronism, specific steps are as follows:
S11, the output end parallel connection of all poles of breaker is shorted and accesses power supply N line, input terminal is respectively connected to power supply L Line;
S12, the operation handle for pushing breaker manually make breaker open operation, each input terminal voltage variation of record breaker Time;
S13, using the difference between the time maximum value and time minimum value of breaker each input terminal voltage variation as dividing The lock time same period, when closing a floodgate, the time same period is less than the standard separating brake time same period, then judges breaker qualification, be otherwise unqualified.
In step S13, when breaker qualification, the value of the N line input terminal with opening and closing neutral pole is greater than each input terminal of L line Value.
In step s 13, when breaker qualification, the value of the N line input terminal with protection pole is if it is greater than each input terminal of L line Value, then the value of N line input terminal subtract each input terminal of L line value be less than the standard separating brake time same period.
In step s 12, the intermediate position of the operation handle of breaker or the position at both ends are pushed manually, make breaker It closes a floodgate.
The invention also discloses a kind of intelligent micro-circuit breaker synchronism experimental rigs, including power supply unit and time test Unit, the input terminal of the pole the L access breaker of the power supply unit, the input terminal of the time test unit and breaker it is defeated Outlet is connected.
As a further improvement of the above technical scheme:
The time test unit is power-on time tester.
Compared with the prior art, the advantages of the present invention are as follows:
Intelligent micro-circuit breaker synchronism test method of the invention, examines the switching synchronization index of breaker It surveys, can ensure that the moving contact of all poles of breaker mechanically keeps synchronous and connects, raising breaker uses reliable at the scene Property.Intelligent micro-circuit breaker synchronism experimental rig structure of the invention is simple, easy to operate and be easily achieved.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is the device of the invention structure chart.
Specific embodiment
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1, the intelligent micro-circuit breaker synchronism test method of the present embodiment, including switching synchronization test, Specific steps are as follows:
S01, the input terminal parallel connection of all poles of breaker is shorted and accesses power supply L line;
S02, the operation handle for pushing breaker manually, make breaker closing, when record each output end of breaker obtains electric Between;
S03, the difference obtained each output end of breaker between electric time maximum value and time minimum value are same as closing a floodgate Time phase closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified.
Intelligent micro-circuit breaker synchronism test method of the invention, examines the switching synchronization index of breaker It surveys, can ensure that the moving contact of all poles of breaker mechanically keeps synchronous and connects, raising breaker uses reliable at the scene Property.
In the present embodiment, in step S03, when breaker qualification, the value of the N line output terminal with opening and closing neutral pole is less than The value of each output end of L line;The value of N line output terminal with protection pole is if it is greater than the value of each output end of L line, then N line output terminal The value that value subtracts each output end of L line is less than standard and closes a floodgate the time same period.
In the present embodiment, in step S02, the intermediate position of the operation handle of breaker or the portion at both ends are pushed manually Position, makes breaker closing.By pushing the operation handle of breaker to make breaker closing manually in different parts, to carry out same Phase property index test can ensure reliability of the breaker in different personnel, different use habit progress closing operations.
It further include the test of separating brake synchronism, specific steps in the present embodiment are as follows:
S11, the output end parallel connection of all poles of breaker is shorted and accesses power supply N line, input terminal is respectively connected to power supply L Line;
S12, the operation handle for pushing breaker manually make breaker open operation, each input terminal voltage variation of record breaker Time;
S13, using the difference between the time maximum value and time minimum value of breaker each input terminal voltage variation as dividing The lock time same period, when closing a floodgate, the time same period is less than the standard separating brake time same period, then judges breaker qualification, be otherwise unqualified.
In the present embodiment, in step S13, when breaker qualification, the value of the N line input terminal with opening and closing neutral pole is greater than L The value of each input terminal of line;The value of N line input terminal with protection pole is if it is greater than the value of each input terminal of L line, then the value of N line input terminal The value for subtracting each input terminal of L line is less than the standard separating brake time same period.
In the present embodiment, in step s 12, the intermediate position of the operation handle of breaker or the portion at both ends are pushed manually Position, makes breaker closing.By pushing the operation handle of breaker to make breaker closing manually in different parts, to carry out same Phase property index test can ensure reliability of the breaker in different personnel, different use habit progress sub-switching operations.
As shown in Fig. 2, the invention also discloses a kind of intelligent micro-circuit breaker synchronism experimental rig, including power supply unit With time test unit (such as powering on time tester), the input terminal of the pole the L access breaker of power supply unit, time test unit Input terminal be connected with the output end of breaker.By the voltage or output end of detection output and enter the pressure difference between end come Judge whether to close a floodgate, it is record time at this time in voltage change, easy to operate and be easily achieved.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as protection of the invention Range.

Claims (7)

1. a kind of intelligent micro-circuit breaker synchronism test method, which is characterized in that tested including switching synchronization, specific steps Are as follows:
S01, the input terminal parallel connection of all poles of breaker is shorted and accesses power supply L line;
S02, the operation handle for pushing breaker manually, make breaker closing, and record each output end of breaker obtains the electric time;
S03, each output end of breaker is obtained difference between electric time maximum value and time minimum value as close a floodgate the same period when Between, it closes a floodgate the time same period when the time same period of closing a floodgate is less than standard, then judges breaker qualification, be otherwise unqualified;
It further include the test of separating brake synchronism, specific steps are as follows:
S11, the output end parallel connection of all poles of breaker is shorted to and is accessed power supply N line, input terminal is respectively connected to power supply L line;
S12, the operation handle for pushing breaker manually, make breaker open operation, each input terminal voltage variation of record breaker when Between;
Difference between S13, time maximum value and time minimum value that each input terminal voltage of breaker is changed is same as separating brake Time phase is less than the standard separating brake time same period when the separating brake time same period, then judges breaker qualification, be otherwise unqualified.
2. intelligent micro-circuit breaker synchronism test method according to claim 1, which is characterized in that in step S03, When breaker qualification, the N line output terminal with opening and closing neutral pole electric time value be less than each output end of L line it is electric when Between be worth.
3. intelligent micro-circuit breaker synchronism test method according to claim 1, which is characterized in that in step S03, When breaker qualification, the N line output terminal with protection pole electric time value if it is greater than each output end of L line it is electric when Between be worth, then N line output terminal electric time value subtract each output end of L line electric time value be less than standard close a floodgate the same period when Between.
4. intelligent micro-circuit breaker synchronism test method according to claim 1, which is characterized in that in step S02, The intermediate position of the operation handle of breaker or the position at both ends are pushed manually, make breaker closing.
5. intelligent micro-circuit breaker synchronism test method according to claim 4, which is characterized in that in step S13, when When breaker qualification, the voltage that the time value of the voltage change of the N line input terminal with opening and closing neutral pole is greater than each input terminal of L line becomes The time value of change.
6. intelligent micro-circuit breaker synchronism test method according to claim 4, which is characterized in that in step s 13, When breaker qualification, with protection pole N line input terminal voltage change time value if it is greater than each input terminal of L line voltage The time value of variation, then the time value of the voltage change of N line input terminal subtract the voltage change of each input terminal of L line time value it is small In the standard separating brake time same period.
7. intelligent micro-circuit breaker synchronism test method according to claim 4, which is characterized in that in step s 12, The intermediate position of the operation handle of breaker or the position at both ends are pushed manually, make breaker open operation.
CN201710441414.1A 2017-06-13 2017-06-13 Intelligent micro-circuit breaker synchronism test method and device Active CN107462830B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201654191U (en) * 2010-04-23 2010-11-24 江苏中科时代电气制造股份有限公司 Three-phase synchronization tester of breaker
CN103389462A (en) * 2013-08-05 2013-11-13 北京慧智神光科技有限公司 Method for detecting closing and opening synchronism of high-voltage circuit breaker
CN103675666A (en) * 2013-12-17 2014-03-26 国家电网公司 Live line measurement device and method for breaker in different periods of time
CN203606470U (en) * 2013-12-17 2014-05-21 国家电网公司 Asynchronous time live-line measuring device for circuit breaker
JP2015032420A (en) * 2013-08-01 2015-02-16 三菱電機株式会社 Earth leakage breaker
CN105403828A (en) * 2014-09-13 2016-03-16 哈尔滨理大晟源科技开发有限公司 Method for measuring opening operation time of high voltage circuit breaker by using electric second meter
CN106291024A (en) * 2016-08-02 2017-01-04 广西云涌科技有限公司 A kind of chopper test ammeter box of function when possessing survey

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201654191U (en) * 2010-04-23 2010-11-24 江苏中科时代电气制造股份有限公司 Three-phase synchronization tester of breaker
JP2015032420A (en) * 2013-08-01 2015-02-16 三菱電機株式会社 Earth leakage breaker
CN103389462A (en) * 2013-08-05 2013-11-13 北京慧智神光科技有限公司 Method for detecting closing and opening synchronism of high-voltage circuit breaker
CN103675666A (en) * 2013-12-17 2014-03-26 国家电网公司 Live line measurement device and method for breaker in different periods of time
CN203606470U (en) * 2013-12-17 2014-05-21 国家电网公司 Asynchronous time live-line measuring device for circuit breaker
CN105403828A (en) * 2014-09-13 2016-03-16 哈尔滨理大晟源科技开发有限公司 Method for measuring opening operation time of high voltage circuit breaker by using electric second meter
CN106291024A (en) * 2016-08-02 2017-01-04 广西云涌科技有限公司 A kind of chopper test ammeter box of function when possessing survey

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