CN110954766A - Voltage and current type feeder automatic testing method - Google Patents
Voltage and current type feeder automatic testing method Download PDFInfo
- Publication number
- CN110954766A CN110954766A CN201911196828.8A CN201911196828A CN110954766A CN 110954766 A CN110954766 A CN 110954766A CN 201911196828 A CN201911196828 A CN 201911196828A CN 110954766 A CN110954766 A CN 110954766A
- Authority
- CN
- China
- Prior art keywords
- tester
- power distribution
- distribution terminal
- voltage
- type feeder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a voltage current type feeder automatic test method, which relates to the technical field of test of power distribution automation terminals of power grids, and connects voltage current type feeder automatic test equipment, wherein the voltage current type feeder automatic test equipment comprises: the device comprises a contactor, a circuit breaker, a power distribution terminal and a tester; the contactor is respectively connected with an alternating current power supply, a tester and a breaker; two sides of the breaker are respectively connected with the tester and the power distribution terminal; the power distribution terminal is connected with the tester; configuring a power distribution terminal, and configuring the logic of the power distribution terminal into voltage current type feeder automation logic; configuring a tester which has a state sequence function; the method has the advantages of simple wiring, concise steps and convenient mastering, and can provide a test method for debugging and operation maintenance of the voltage and current type feeder automation equipment.
Description
Technical Field
The invention belongs to the technical field of testing of power distribution automation terminals of power grids, and particularly relates to a voltage and current type feeder automation testing method.
Background
When isolating a medium-voltage line fault section, voltage and current type feeder automation has the advantages of no dependence on a distribution automation main station and communication, only one time of coincidence of a substation outlet breaker, short time for recovering power supply in the non-fault section and the like, and is widely applied to medium-voltage distribution lines in China.
However, since the ac power supply and the measurement of the distribution automation terminal are in the same loop, the ac power consumption is much larger than the capacity of the ac voltage output port of the tester when the distribution automation terminal supplies power, and the direct connection may cause short-circuit protection of the ac voltage output port of the tester, and thus the test cannot be performed.
Disclosure of Invention
The invention aims to provide a voltage current type feeder line automatic testing method, thereby overcoming the defects that the alternating current power consumption is far larger than the capacity of an alternating current voltage output port of a tester when the existing distribution automatic terminal supplies power, and the direct connection can cause the short-circuit protection of the alternating current voltage output port of the tester and the test cannot be carried out.
In order to achieve the above object, the present invention provides a voltage current type feeder automation test method, including the following steps:
s1, connecting voltage current type feeder automation test equipment, wherein the voltage current type feeder automation test equipment comprises: the device comprises a contactor, a circuit breaker, a power distribution terminal and a tester;
the contactor is respectively connected with an alternating current power supply, a tester and a breaker;
the circuit breaker is respectively connected with the tester and the power distribution terminal;
the power distribution terminal is connected with the tester;
s2, configuring the power distribution terminal according to the protection function of the power distribution terminal, and configuring the logic of the power distribution terminal into voltage current type feeder automation logic;
s3, configuring the tester according to the protection function of the power distribution terminal, wherein the tester has a state sequence function;
and S4, testing after the setting of S1-S3 is finished, and judging whether the test is passed or not by the tester according to the locking and closing state of the power distribution terminal so as to judge whether the function of the power distribution terminal meets the requirement or not.
Further, in S2, the voltage current type feeder automation logic is: when the circuit breaker is in the closed position, opening the brake when no voltage is detected on the power supply side of the circuit breaker; when the circuit breaker is positioned at a separating position, switching on when voltage delay is detected at the power supply side of the circuit breaker; when the breaker has fault current within 5 seconds after delayed switching-on, the breaker immediately switches off and switches on in a locking way; the overcurrent quick-break constant value is 5A, and the time is 0S.
Further, in S3, the configuration of the tester includes the following state sequences:
the state sequence 1 is that alternating voltage of the tester is output by 220V to control a contactor to be closed, alternating current is output by 0A, and the ending mode is switch-on triggering of a switch;
the state sequence 2 is that alternating voltage output of the tester is 220V to control the contactor to be closed, alternating current is output by 1A, the ending mode is time triggering, and the time is set to be 10S;
the state sequence 3 is that the alternating voltage of the tester outputs 0V to control the contactor to be disconnected, the alternating current outputs 0A, the ending mode is time triggering, and the time is set to be 5S;
4, outputting 220V alternating voltage of the tester to control the contactor to be closed, outputting 0A alternating current, and triggering the switch to be closed in an ending mode;
the state sequence 5, the alternating voltage output of the tester is 220V, the contactor is controlled to be closed, the alternating current output is 5.25A, and the ending mode is switch-off triggering;
and 6, outputting 220V alternating voltage of the tester to control the contactor to be closed, outputting 0A alternating current, and triggering the contactor in a key-press mode.
Further, in S4, if the locking and closing state of the power distribution terminal passes the test, the function of the power distribution terminal meets the requirement, otherwise, the function does not meet the requirement.
Further, the power distribution terminal is a device to be tested.
Furthermore, the power supply side of the circuit breaker is connected with a power distribution terminal, and the load side of the circuit breaker is connected with a tester.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a voltage current type feeder automatic test method, which connects voltage current type feeder automatic test equipment, wherein the voltage current type feeder automatic test equipment comprises the following steps: the device comprises a contactor, a circuit breaker, a power distribution terminal and a tester; the contactor is respectively connected with an alternating current power supply, a tester and a breaker; two sides of the breaker are respectively connected with the tester and the power distribution terminal; the power distribution terminal is connected with the tester; configuring the power distribution terminal, and configuring logic of the power distribution terminal into voltage current type feeder automation logic; configuring the tester, wherein the tester has a state sequence function; the method has the advantages of simple wiring, concise steps and convenient mastering, and can provide a test method for debugging and operation maintenance of the voltage and current type feeder automation equipment.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only one embodiment of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a flow chart of a voltage-current feeder automation test method according to the present invention;
fig. 2 is a schematic diagram of the wiring principle of the voltage current type feeder automation test equipment of the present invention.
Detailed Description
The technical solutions in the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the method for automatically testing a voltage-current type feeder according to the present invention comprises the following steps:
s1, connecting the voltage current type feeder automation test device, as shown in fig. 2, the voltage current type feeder automation test device includes: the device comprises a contactor, a circuit breaker, a power distribution terminal and a tester; the input end of the contactor is connected with an alternating current power supply, the control coil of the contactor is connected with the voltage output end of the tester, and the output end of the contactor is connected with the input end of the breaker; the switch signal end of the circuit breaker is connected with the input/output port of the tester; a switch opening and closing loop of the power distribution terminal is connected with a breaker opening and closing interface; an alternating current output interface of the tester is connected with an alternating current acquisition loop of the power distribution terminal; and the distribution terminal alternating voltage acquisition loop is connected with the power supply side of the breaker. The power distribution terminal is a device to be tested.
S2, configuring the power distribution terminal according to the protection function of the power distribution terminal, and configuring the logic of the power distribution terminal into voltage current type feeder automation logic: when the circuit breaker is in the closed position, opening the brake when no voltage is detected on the power supply side of the circuit breaker; when the circuit breaker is positioned at a separating position, switching on when voltage delay is detected at the power supply side of the circuit breaker; when the breaker has fault current within 5 seconds after delayed switching-on, the breaker immediately switches off and switches on in a locking way; the overcurrent quick-break constant value is 5A, and the time is 0S.
S3, configuring a tester according to the protection function of the power distribution terminal, wherein the tester has a state sequence function; the configuration of the tester includes the following sequence of states:
the state sequence 1, the alternating voltage output 220V of the tester controls the contactor to be closed, the alternating current output 0A, and the ending mode is switch closing triggering;
the state sequence 2, the alternating voltage output of the tester is 220V, the contactor is controlled to be closed, the alternating current output is 1A, the ending mode is time triggering, and the time is set to be 10S;
the state sequence 3, the alternating voltage output of the tester is 0V, the contactor is controlled to be disconnected, the alternating current output is 0A, the ending mode is time triggering, and the time is set to be 5S;
4, outputting 220V alternating voltage of the tester to control the contactor to be closed, outputting 0A alternating current, and triggering switch closing in an ending mode;
5, outputting 220V alternating voltage of the tester to control the contactor to be closed, outputting 5.25A alternating current, and finishing the switch opening triggering;
and 6, controlling the contactor to be closed by the alternating voltage output 220V of the tester in the state sequence 6, outputting 0A of alternating current, and triggering the contactor in a key-press mode.
And S4, testing after the setting of S1-S3 is finished, judging whether the test is passed according to the locking and closing state of the power distribution terminal, if the locking and closing state of the power distribution terminal passes the test, the function of the power distribution terminal meets the requirement, otherwise, the function of the power distribution terminal does not meet the requirement, and judging whether the function of the power distribution terminal meets the requirement.
The above disclosure is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or modifications within the technical scope of the present invention, and shall be covered by the scope of the present invention.
Claims (6)
1. A voltage current type feeder automatic test method is characterized in that: the method comprises the following steps:
s1, connecting voltage current type feeder automation test equipment, wherein the voltage current type feeder automation test equipment comprises: the device comprises a contactor, a circuit breaker, a power distribution terminal and a tester;
the contactor is respectively connected with an alternating current power supply, a tester and a breaker;
the circuit breaker is respectively connected with the tester and the power distribution terminal;
the power distribution terminal is connected with the tester;
s2, configuring the power distribution terminal according to the protection function of the power distribution terminal, and configuring the logic of the power distribution terminal into voltage current type feeder automation logic;
s3, configuring the tester according to the protection function of the power distribution terminal, wherein the tester has a state sequence function;
and S4, testing after the setting of S1-S3 is finished, and judging whether the test is passed or not by the tester according to the locking and closing state of the power distribution terminal so as to judge whether the function of the power distribution terminal meets the requirement or not.
2. The voltage current type feeder automation test method of claim 1, characterized in that: in S2, the voltage current type feeder automation logic is: when the circuit breaker is in the closed position, opening the brake when no voltage is detected on the power supply side of the circuit breaker; when the circuit breaker is positioned at a separating position, switching on when voltage delay is detected at the power supply side of the circuit breaker; when the breaker has fault current within 5 seconds after delayed switching-on, the breaker immediately switches off and switches on in a locking way; the overcurrent quick-break constant value is 5A, and the time is 0S.
3. The voltage current type feeder automation test method of claim 1, characterized in that: in S3, the configuration of the tester includes the following state sequence:
the state sequence 1 is that alternating voltage of the tester is output by 220V to control a contactor to be closed, alternating current is output by 0A, and the ending mode is switch-on triggering of a switch;
the state sequence 2 is that alternating voltage output of the tester is 220V to control the contactor to be closed, alternating current is output by 1A, the ending mode is time triggering, and the time is set to be 10S;
the state sequence 3 is that the alternating voltage of the tester outputs 0V to control the contactor to be disconnected, the alternating current outputs 0A, the ending mode is time triggering, and the time is set to be 5S;
4, outputting 220V alternating voltage of the tester to control the contactor to be closed, outputting 0A alternating current, and triggering the switch to be closed in an ending mode;
the state sequence 5, the alternating voltage output of the tester is 220V, the contactor is controlled to be closed, the alternating current output is 5.25A, and the ending mode is switch-off triggering;
and 6, outputting 220V alternating voltage of the tester to control the contactor to be closed, outputting 0A alternating current, and triggering the contactor in a key-press mode.
4. The voltage current type feeder automation test method of claim 1, characterized in that: in S4, if the closing and closing state of the power distribution terminal passes the test, the function of the power distribution terminal meets the requirement, otherwise, the function of the power distribution terminal does not meet the requirement.
5. The voltage current type feeder automation test method of claim 1, characterized in that: the power distribution terminal is a device to be tested.
6. The voltage current type feeder automation test method of claim 1, characterized in that: the power supply side of the circuit breaker is connected with the power distribution terminal, and the load side of the circuit breaker is connected with the tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911196828.8A CN110954766B (en) | 2019-11-29 | 2019-11-29 | Voltage and current type feeder automatic testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911196828.8A CN110954766B (en) | 2019-11-29 | 2019-11-29 | Voltage and current type feeder automatic testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110954766A true CN110954766A (en) | 2020-04-03 |
| CN110954766B CN110954766B (en) | 2022-04-19 |
Family
ID=69978842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911196828.8A Active CN110954766B (en) | 2019-11-29 | 2019-11-29 | Voltage and current type feeder automatic testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110954766B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067876A (en) * | 2020-07-23 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Automatic reset residual voltage pulse hardware detection circuit |
| CN112540263A (en) * | 2020-11-18 | 2021-03-23 | 广西电网有限责任公司电力科学研究院 | Feeder automation logic operation and maintenance detection device and method |
| CN113866563A (en) * | 2021-09-30 | 2021-12-31 | 广东电网有限责任公司东莞供电局 | Voltage current type feeder automation test system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849591A (en) * | 2015-05-07 | 2015-08-19 | 国家电网公司 | Power distribution automation integrated test detection device |
| CN105070157A (en) * | 2015-07-16 | 2015-11-18 | 国网技术学院 | Feeder automation simulation training system |
| CN107064790A (en) * | 2017-03-30 | 2017-08-18 | 国网山东省电力公司莱芜供电公司 | Voltage-time type logic tester and method of testing |
| CN108879964A (en) * | 2018-08-10 | 2018-11-23 | 陕西银河天地智能配网技术有限公司 | Type feed line automatization system field-checking is driven FA full-automatic testing method on the spot |
| CN108983006A (en) * | 2018-08-10 | 2018-12-11 | 陕西银河天地智能配网技术有限公司 | Type feeder automation switch terminal scene does not have a power failure full-automatic testing method on the spot |
| CN109459658A (en) * | 2018-10-29 | 2019-03-12 | 广西电网有限责任公司电力科学研究院 | A kind of method that distribution main website differentiates type feeder automation circuit fault section on the spot |
| CN110261724A (en) * | 2019-06-14 | 2019-09-20 | 广西电网有限责任公司电力科学研究院 | A kind of voltage-time type feeder test method |
| CN110350471A (en) * | 2019-06-10 | 2019-10-18 | 国网江西省电力有限公司电力科学研究院 | A kind of method of voltage-time type feeder automation functional verification |
-
2019
- 2019-11-29 CN CN201911196828.8A patent/CN110954766B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849591A (en) * | 2015-05-07 | 2015-08-19 | 国家电网公司 | Power distribution automation integrated test detection device |
| CN105070157A (en) * | 2015-07-16 | 2015-11-18 | 国网技术学院 | Feeder automation simulation training system |
| CN107064790A (en) * | 2017-03-30 | 2017-08-18 | 国网山东省电力公司莱芜供电公司 | Voltage-time type logic tester and method of testing |
| CN108879964A (en) * | 2018-08-10 | 2018-11-23 | 陕西银河天地智能配网技术有限公司 | Type feed line automatization system field-checking is driven FA full-automatic testing method on the spot |
| CN108983006A (en) * | 2018-08-10 | 2018-12-11 | 陕西银河天地智能配网技术有限公司 | Type feeder automation switch terminal scene does not have a power failure full-automatic testing method on the spot |
| CN109459658A (en) * | 2018-10-29 | 2019-03-12 | 广西电网有限责任公司电力科学研究院 | A kind of method that distribution main website differentiates type feeder automation circuit fault section on the spot |
| CN110350471A (en) * | 2019-06-10 | 2019-10-18 | 国网江西省电力有限公司电力科学研究院 | A kind of method of voltage-time type feeder automation functional verification |
| CN110261724A (en) * | 2019-06-14 | 2019-09-20 | 广西电网有限责任公司电力科学研究院 | A kind of voltage-time type feeder test method |
Non-Patent Citations (2)
| Title |
|---|
| 刘健 等: "重合器与电压—电流型开关配合的馈线自动化", 《电力系统自动化》 * |
| 陈千懿 等: "一种电压–时间型配电终端的自动检测方法", 《广西电力》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067876A (en) * | 2020-07-23 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Automatic reset residual voltage pulse hardware detection circuit |
| CN112540263A (en) * | 2020-11-18 | 2021-03-23 | 广西电网有限责任公司电力科学研究院 | Feeder automation logic operation and maintenance detection device and method |
| CN113866563A (en) * | 2021-09-30 | 2021-12-31 | 广东电网有限责任公司东莞供电局 | Voltage current type feeder automation test system |
| CN113866563B (en) * | 2021-09-30 | 2024-02-13 | 广东电网有限责任公司东莞供电局 | Voltage-current feeder automation test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110954766B (en) | 2022-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110954766B (en) | Voltage and current type feeder automatic testing method | |
| CN108983006B (en) | On-site type feeder automation switch terminal field uninterrupted full-automatic test method | |
| CN107064790B (en) | Voltage time type logic tester and testing method | |
| CN111711274B (en) | Test fixture at feeder terminal | |
| CN110426627B (en) | Power relay contact performance test system for relay protection device | |
| CN110611306B (en) | Backup power automatic switching locking method for 110kV transformer substation line | |
| CN110988532A (en) | Protection logic test system of distribution automation terminal | |
| CN105301491A (en) | State monitoring circuit for breaker with auxiliary contacts | |
| CN110031756B (en) | DC contactor performance test conversion circuit and service life test method | |
| CN105006881B (en) | One kind hauling oneself willingly into runback control system | |
| CN112649726A (en) | Switch mechanical life testing circuit and method | |
| CN108181581B (en) | Intelligent testing device and testing method for residual current operated protector | |
| CN201118190Y (en) | Safe power utilization intelligent controller for student hostel | |
| CN114184951B (en) | Breaker spring operating mechanism simulation system | |
| CN201656555U (en) | Three-power-supply automatic switching-over device | |
| CN205581558U (en) | Convenient circuit breaker intelligent control ware that detects | |
| CN216390588U (en) | Double-direct-current system control circuit | |
| CN110931311A (en) | VSP5 switch electric control circuit | |
| CN219145010U (en) | Circuit for preventing undervoltage protection misoperation of low-voltage frame type circuit breaker | |
| CN112701772B (en) | Spare power automatic switching method and device for 500kV charging circuit | |
| CN203574445U (en) | Intelligent controller of spare power automatic switching dual power supply device | |
| CN110333410B (en) | Spare power automatic switching testing device | |
| CN110988593B (en) | Intelligent distributed feeder automation test method | |
| CN209842014U (en) | Spare power automatic switching debugging device | |
| CN212646842U (en) | Primary equipment state monitoring system and simulation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |