CN112858815A - Test module for feeder automation terminal debugging - Google Patents
Test module for feeder automation terminal debugging Download PDFInfo
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- CN112858815A CN112858815A CN202110036912.4A CN202110036912A CN112858815A CN 112858815 A CN112858815 A CN 112858815A CN 202110036912 A CN202110036912 A CN 202110036912A CN 112858815 A CN112858815 A CN 112858815A
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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
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Abstract
The invention discloses a test module for feeder automation terminal debugging, which comprises: the circuit comprises a panel and a double-coil magnetic latching relay, wherein a circuit switch state display lamp, a circuit and a charged state display lamp thereof, a switch manual operation button, a fault simulation switch and a wiring terminal are arranged on the panel; and the circuit switch state display lamp, the circuit and the electrified state display lamp thereof, the switch manual operation button, the fault simulation switch and the wiring terminal are all electrically connected with the double-coil holding relay. The invention can simulate various faults to check the correctness of the logic matching of each terminal and has the characteristics of simple structure, various forms, visual interface and the like.
Description
Technical Field
The invention belongs to the technical field of distribution lines, and particularly relates to a test module for feeder automation terminal debugging.
Background
At present, a distribution network line mostly adopts a multi-connection moderate segmentation mode, and fault isolation is automatically completed through the cooperation of the logic functions of feeder line terminals. With the continuous improvement of the requirement on the reliability of power supply, the work of automatic transformation of the distribution network is promoted item by item, the functions of a feeder switch are gradually improved, and the research on the configuration of the protection function of a feeder terminal is also gradually developed.
Therefore, how to provide a test module for feeder automation terminal debugging is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the invention provides a test module for feeder automation terminal debugging, which can simulate various faults to check the correctness of logic matching of each terminal, and has the characteristics of simple structure, various forms, visual interface and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a test module for feeder automation terminal commissioning, comprising: the circuit comprises a panel and a double-coil magnetic latching relay, wherein a circuit switch state display lamp, a circuit and an electrified state display lamp thereof, a switch manual operation button, a fault simulation switch and a wiring terminal are arranged on the panel; the circuit switch state display lamp, the circuit and the electrified state display lamp thereof, the switch manual operation button, the fault simulation switch and the wiring terminal are all electrically connected with the double-coil holding relay.
Preferably, the double coil holding relay is provided with two.
Preferably, the double-coil magnetic latching relay has at least two pairs of normally open contacts.
Preferably, the double-coil magnetic latching relay is provided with normally open contacts ZJ-1 and ZJ-2; normally open contact ZJ-1 is the series circuit, plays the effect of breaking or closed circuit connection, and the actual function of simulation line switch: a primary loop power supply is connected to the left end of a normally open contact ZJ-1 by the connection of a binding post at the left end, the right end of the normally open contact ZJ-1 is connected to the binding post at the right end, and a line lamp is connected to the side, close to the normally open contact ZJ-1, of the binding post at the right end; the normally open contact ZJ-2 is a line switch position signal which is used as a position signal input and a switch state lamp of the terminal protection device.
Preferably, the test module is connected to the terminal by means of an aircraft plug.
Preferably, the test module is used for collecting remote communication quantity and remote measurement quantity; remote measurement: protection current, zero sequence current, voltage at two sides of the switch; remote traffic: a switch position; the protection current and the zero sequence current are solved by external CT, and the CT secondary side is connected to the terminal through an aviation plug; the voltages at the two sides of the switch are respectively the voltages at the two ends of the binding post, and the switch position signal is provided by a normally open contact ZJ-2.
Preferably, the terminal opening and closing circuit and the switch manual operation button circuit are respectively connected to the double-coil magnetic latching relay, and the terminal opening and closing circuit is connected to the terminal through an aviation plug to simulate and complete remote, local and fault opening and closing.
Preferably, a large resistance load is externally connected to the lower end of the fault simulation switch, and the upper end of the fault simulation switch is connected to the side, close to the normally open contact ZJ-1, of the wiring terminal at the right end; when the fault simulation switch is pressed down, the switch contact is closed, the load is connected, and fault current is simulated and generated.
Preferably, adopt four test modules to establish ties through the terminal of left end and the terminal of right-hand member and constitute single radiation circuit, wherein, first test module: DLA and L1, simulating a substation outgoing switch; second test module: DL1 and line L2, third test module: DL2 and L3, fourth test module: DL3 and L4, wherein the second test module, the third test module and the fourth test module are used for respectively simulating a section switch and a rear-end circuit of the switch; the line switch state display lamps on the panel represent the switching-on and switching-off conditions of DLA, DL1, DL2 and DL3, and the line and the electrified state display lamps thereof represent the electrified conditions of L1, L2, L3 and L4 lines.
Preferably, five analog devices are connected in series through a binding post at the left end and a binding post at the right end to form a single connection circuit, an analog device DLB is added at the right end of the single radiation circuit, two outgoing line switches with different power supply points are simulated through DLA and DLB, and any one of the switches DL1, DL2 and DL3 is used as a sectional switch to form a single connection loop.
The invention has the beneficial effects that:
the invention contains the circuit switch state display, the circuit and the charged state display, the switch manual operation button and the fault simulation switch, and other elements, and is connected with the terminal through the aviation plug, and can utilize a plurality of test modules to simulate and combine simple circuit models such as single radiation, single connection circuit, and the like, and verify the correctness of the logic matching of each terminal through simulating various faults such as grounding or overcurrent, and the like, and has the characteristics of simple structure, various forms, visual interface, and the like; different grid structure lines can be simulated through different combinations of the test modules, terminal action logics under different faults are debugged and completed through fault setting, and the test module is convenient to manufacture and intuitive to demonstrate. Through the field simulation of the test module, the correctness of the terminal logic is verified, and the research on the newly added protection configuration function of the terminal is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a panel according to the present invention.
Fig. 2 is a secondary diagram of a double-coil magnetic latching relay according to the present invention.
FIG. 3 is a current loop diagram of the present invention.
Fig. 4 is a diagram showing the structure of a single radiation circuit according to the present invention.
Fig. 5 is a structural diagram of a hand-pulled hand-strap branch line according to the present invention.
Wherein, in the figure:
1-a terminal at the left end; 2-a binding post at the right end; 3-a line switch status display lamp; 4-line and its charged state display lamp; 5-switch manual operation button; 6-fault simulation switch; 7-panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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.
Referring to fig. 1-2, the present invention provides a test module for feeder automation terminal debugging, including: the circuit comprises a panel 7 and a double-coil magnetic latching relay, wherein the panel 7 is provided with a circuit switch state display lamp 3, a circuit and charged state display lamp 4, a switch manual operation button 5, a fault simulation switch 6 and a wiring terminal; the circuit switch state display lamp 3, the circuit and the electrified state display lamp 4 thereof, the switch manual operation button 5, the fault simulation switch 6 and the wiring terminal are all electrically connected with the double-coil holding relay.
Line switch status display lamp 3: the switch is on and off, when the lamp is on, the switch is on, and when the lamp is off, the switch is off. Line and its charged state display lamp 4: the distribution network line is represented by the strip-shaped LED lamp, the line is electrified when the lamp is on, and the line is uncharged when the lamp is off. Switch manual operation button 5: and the manual operation switch is switched on and off by rotating the KK handle. Fault simulation switch 6: the switch is switched on and off, two ends of the switch are connected, when the switch is pressed down, a load loop is switched on, a terminal senses line current, and fault current of a line at the rear end of the module switch is simulated through constant value setting. Binding posts: according to different simulation line grid structures, the wiring terminals of different test modules are connected, and series connection and parallel connection of different line sections are realized.
In this embodiment, the circuit switch, the switch position and the state are simulated by using the double-coil magnetic latching relay, and at least two pairs of normally open contacts are used, or two double-coil magnetic latching relays are used.
In the embodiment, a secondary diagram of the double-coil magnetic latching relay is shown in fig. 2, and the double-coil magnetic latching relay is provided with normally open contacts ZJ-1 and ZJ-2; normally open contact ZJ-1 is the series circuit, plays the effect of breaking or closed circuit connection, and the actual function of simulation line switch: a primary loop power supply is connected to the left end of a normally open contact ZJ-1 by a binding post 1 at the left end, the right end of the normally open contact ZJ-1 is connected to a binding post 2 at the right end, and a line lamp is connected to the side, close to the normally open contact ZJ-1, of the binding post 2 at the right end; normally open contact ZJ-2 is the line switch position signal, plays two roles: the position signal input of the terminal protection device is firstly carried out, and the state lamp is switched on and off.
In this embodiment, the test module is connected to a terminal (FTU, DTU) through an aviation plug. The test module is used for collecting remote communication quantity and remote measurement quantity; remote measurement: protection current, zero sequence current, voltage at two sides of the switch; remote traffic: a switch position; remote control quantity: and (5) switching on and off the switch. The protection current and the zero sequence current are solved by an external CT, a current loop diagram is shown in figure 3, and the secondary side of the CT is connected to a terminal through an aviation plug; the voltages at the two sides of the switch are respectively the voltages at the two ends of the binding post, and the switch position signal is provided by a normally open contact ZJ-2.
In this embodiment, the control loop: and the terminal switching-on and switching-off loop and the manual switch operation button 5 loop are respectively connected to the double-coil magnetic latching relay, and the terminal switching-on and switching-off loop is connected to a terminal through an aviation plug to simulate and complete remote, local and fault switching-on and switching-off.
In the embodiment, a large resistance load is externally connected to the lower end of the fault simulation switch 6, and the upper end of the fault simulation switch 6 is connected to the side, close to the normally open contact ZJ-1, of the wiring terminal 2 at the right end; when the fault simulation switch 6 is pressed, the switch contact is closed, the load is connected, and the fault current is simulated.
In this embodiment, the test modules are independent modules, can simulate the transformer substation outlet switch, a certain line switch and rear end line, and can combine into the distribution network line of different spatial grid structures through a plurality of modules.
As shown in fig. 4, four test modules are connected in series through the left terminal 1 and the right terminal 2 to form a single radiation line, wherein the first test module: DLA and L1, simulating a substation outgoing switch; second test module: DL1 and line L2, third test module: DL2 and L3, fourth test module: DL3 and L4, wherein the second test module, the third test module and the fourth test module are used for respectively simulating a section switch and a rear-end circuit of the switch; the line switch state indicator lamp 3 on the panel 7 represents the switching on/off of DLA, DL1, DL2 and DL3, and the line and its live state indicator lamp 4 represents the live state of L1, L2, L3 and L4 lines.
As shown in fig. 5, five analog devices are connected in series through a terminal at the left end and a terminal at the right end to form a single connection circuit, an analog device DLB is added at the right end of the single radiation circuit, two outgoing line switches with different power supply points are simulated through DLA and DLB, and any one of the switches DL1, DL2 and DL3 is used as a section switch to form a single-connection loop.
The invention contains the line switch status display lamp, the line and the electrified status display lamp, the switch manual operation button and the fault simulation switch, etc. elements, which are connected with the terminal through the aviation plug, can utilize a plurality of test modules to simulate and combine simple line models such as single radiation, single connection line, etc., and verify the correctness of the logic matching of each terminal through simulating various faults such as grounding or overcurrent, etc., and has the characteristics of simple structure, various forms, visual interface, etc.; different grid structure lines can be simulated through different combinations of the test modules, terminal action logics under different faults are debugged and completed through fault setting, and the test module is convenient to manufacture and intuitive to demonstrate. Through the field simulation of the test module, the correctness of the terminal logic is verified, and the research on the newly added protection configuration function of the terminal is facilitated.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A test module for feeder automation terminal debugging, comprising: the circuit comprises a panel and a double-coil magnetic latching relay, wherein a circuit switch state display lamp, a circuit and an electrified state display lamp thereof, a switch manual operation button, a fault simulation switch and a wiring terminal are arranged on the panel; the circuit switch state display lamp, the circuit and the electrified state display lamp thereof, the switch manual operation button, the fault simulation switch and the wiring terminal are all electrically connected with the double-coil holding relay.
2. The testing module for feeder automation terminal commissioning of claim 1, wherein there are two of said dual coil retention relays.
3. The testing module for feeder automation terminal commissioning of claim 1, wherein said dual coil magnetically held relay has at least two pairs of normally open contacts.
4. The test module for feeder automation terminal commissioning of claim 3, wherein the dual coil magnetic latching relay has normally open contacts ZJ-1, ZJ-2; normally open contact ZJ-1 is the series circuit, plays the effect of breaking or closed circuit connection, and the actual function of simulation line switch: a primary loop power supply is connected to the left end of a normally open contact ZJ-1 by the connection of a binding post at the left end, the right end of the normally open contact ZJ-1 is connected to the binding post at the right end, and a line lamp is connected to the side, close to the normally open contact ZJ-1, of the binding post at the right end; the normally open contact ZJ-2 is a line switch position signal which is used as a position signal input and a switch state lamp of the terminal protection device.
5. The test module for feeder automation terminal commissioning of claim 4, wherein the test module is connected to the terminal by an aviation plug.
6. The test module for feeder automation terminal commissioning of claim 5, wherein the test module is used for telemetry and telemetry acquisition; remote measurement: protection current, zero sequence current, voltage at two sides of the switch; remote traffic: a switch position; the protection current and the zero sequence current are solved by external CT, and the CT secondary side is connected to the terminal through an aviation plug; the voltages at the two sides of the switch are respectively the voltages at the two ends of the binding post, and the switch position signal is provided by a normally open contact ZJ-2.
7. The testing module for feeder automation terminal debugging of claim 5, wherein the terminal switching-on/off circuit and the switch manual operation button circuit are respectively connected to the dual-coil magnetic latching relay, and the terminal switching-on/off circuit is connected to the terminal through an aviation plug to simulate the completion of remote, local and fault switching-on/off.
8. The test module for feeder automation terminal debugging of claim 5, wherein a large resistive load is externally connected to the lower end of the fault analog switch, and a binding post connected to the right end of the upper end of the fault analog switch is close to the normally open contact ZJ-1 side; when the fault simulation switch is pressed down, the switch contact is closed, the load is connected, and fault current is simulated and generated.
9. The test module for feeder automation terminal commissioning of claim 1, wherein four test modules are used to form a single radiating line by connecting the left terminal and the right terminal in series, wherein the first test module: DLA and L1, simulating a substation outgoing switch; second test module: DL1 and line L2, third test module: DL2 and L3, fourth test module: DL3 and L4, wherein the second test module, the third test module and the fourth test module are used for respectively simulating a section switch and a rear-end circuit of the switch; the line switch state display lamps on the panel represent the switching-on and switching-off conditions of DLA, DL1, DL2 and DL3, and the line and the electrified state display lamps thereof represent the electrified conditions of L1, L2, L3 and L4 lines.
10. The testing module for feeder automation terminal debugging of claim 1, wherein five analog devices are adopted to form a single connection line by connecting a terminal at the left end and a terminal at the right end in series, an analog device DLB is added at the right end of the single radiation line of claim 6, two different power supply point outlet switches are simulated through DLA and DLB, and any one of the switches DL1, DL2 and DL3 is used as a section switch to form a single connection loop.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110036912.4A CN112858815B (en) | 2021-01-12 | 2021-01-12 | Test module for feeder automation terminal debugging |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110036912.4A CN112858815B (en) | 2021-01-12 | 2021-01-12 | Test module for feeder automation terminal debugging |
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| CN112858815B CN112858815B (en) | 2022-08-05 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101252U (en) * | 1991-08-31 | 1992-04-08 | 杜宗展 | Warning device for line fault detection |
| CN203966413U (en) * | 2014-07-17 | 2014-11-26 | 国家电网公司 | A kind of band imitation screen feeder automation operation bench |
| CN106199411A (en) * | 2016-07-01 | 2016-12-07 | 国网山东省电力公司博兴县供电公司 | A kind of new distribution automatization failure detector |
| CN209118531U (en) * | 2018-03-13 | 2019-07-16 | 辽宁双宜电力电子有限公司 | A kind of on-load switch simulation training system |
| CN111799889A (en) * | 2020-07-24 | 2020-10-20 | 国网湖北省电力有限公司黄石供电公司 | Debugging method for general efficient processing of urban network distribution network automatic terminal |
-
2021
- 2021-01-12 CN CN202110036912.4A patent/CN112858815B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2101252U (en) * | 1991-08-31 | 1992-04-08 | 杜宗展 | Warning device for line fault detection |
| CN203966413U (en) * | 2014-07-17 | 2014-11-26 | 国家电网公司 | A kind of band imitation screen feeder automation operation bench |
| CN106199411A (en) * | 2016-07-01 | 2016-12-07 | 国网山东省电力公司博兴县供电公司 | A kind of new distribution automatization failure detector |
| CN209118531U (en) * | 2018-03-13 | 2019-07-16 | 辽宁双宜电力电子有限公司 | A kind of on-load switch simulation training system |
| CN111799889A (en) * | 2020-07-24 | 2020-10-20 | 国网湖北省电力有限公司黄石供电公司 | Debugging method for general efficient processing of urban network distribution network automatic terminal |
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| CN112858815B (en) | 2022-08-05 |
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