CN214255849U - Distribution automation terminal quadruplex position allies oneself with transfers device - Google Patents
Distribution automation terminal quadruplex position allies oneself with transfers device Download PDFInfo
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- CN214255849U CN214255849U CN202120471988.5U CN202120471988U CN214255849U CN 214255849 U CN214255849 U CN 214255849U CN 202120471988 U CN202120471988 U CN 202120471988U CN 214255849 U CN214255849 U CN 214255849U
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Abstract
The utility model discloses a distribution automation terminal quadruplex position joint debugging device, the joint debugging device comprises a voltage input module, a transformer substation module, a distribution terminal module, a fault control module and a main control module; the transformer substation module comprises a first transformer substation and a second transformer substation; the power distribution terminal module comprises a first power distribution terminal module, a second power distribution terminal module, a third power distribution terminal module and a fourth power distribution terminal module which are sequentially connected in series, the first power distribution terminal module is connected with the voltage input module through a first transformer substation, and the fourth power distribution terminal module is connected with a second transformer substation; the fault control module comprises a first fault control module, a second fault control module, a third fault control module and a fourth fault control module which are respectively connected with the main control module, and the fault control modules are respectively correspondingly connected with the power distribution terminal modules. The joint debugging device is small and exquisite and complete in function, and the professional level of power grid maintenance personnel and the skill for judging line faults are greatly improved.
Description
Technical Field
The utility model relates to an electric power tech field especially relates to a distribution automation terminal quadruplex position allies oneself with transfers device.
Background
With the improvement of the requirement of the national power grid on the power supply reliability, the high-voltage part is preliminarily perfected, and the medium-voltage part is developed to the distribution automation complete switch in the current stage from the previous section protection equipment such as a link, an isolating switch, a load isolating switch, a vacuum switch and the like, and is well applied and popularized. Distribution network automation complete sets is as high-tech power equipment at present stage, means that power line maintenance and maintainer need possess higher professional level, still need strengthen the technical ability of judging the circuit trouble and deepen the degree of understanding to the distribution network.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, the utility model provides a distribution automation terminal quadruplex position allies oneself with transfers device, the device is small and exquisite on probation and multiple functional, can combine actual conditions simulation teaching, greatly improves electric power maintenance and maintainer's professional level and the technical ability of judging the circuit trouble.
Correspondingly, the utility model provides a distribution automation terminal quadruplex position joint debugging device, the joint debugging device includes voltage input module, transformer substation module, distribution terminal module, fault control module, main control module; wherein,
the substation module comprises a first substation and a second substation;
the power distribution terminal module comprises a first power distribution terminal module, a second power distribution terminal module, a third power distribution terminal module and a fourth power distribution terminal module which are sequentially connected in series, the first power distribution terminal module is connected with the voltage input module through the first transformer substation, and the fourth power distribution terminal module is connected with the second transformer substation;
the fault control module comprises a first fault control module, a second fault control module, a third fault control module and a fourth fault control module, the first fault control module is connected with the first power distribution terminal module, the second fault control module is connected with the second power distribution terminal module, the third fault control module is connected with the third power distribution terminal module, the fourth fault control module is connected with the fourth power distribution terminal module, the first fault control module, the second fault control module, the third fault control module and the fourth fault control module are respectively connected with the main control module.
Optionally, the first power distribution terminal module includes a first power distribution terminal and a first switch, and the first power distribution terminal is connected to the first switch;
the second power distribution terminal module comprises a second power distribution terminal and a second switch, and the second power distribution terminal is connected with the second switch;
the third power distribution terminal module comprises a third power distribution terminal and a third switch, and the third power distribution terminal is connected with the third switch;
the fourth power distribution terminal module comprises a fourth power distribution terminal and a fourth switch, and the fourth power distribution terminal is connected with the fourth switch.
Optionally, the first fault control module includes a first inter-phase fault switch and a first ground fault switch;
the second fault control module comprises a second phase-to-phase fault switch and a second ground fault switch;
the third fault control module comprises a third inter-phase fault switch and a third ground fault switch;
the fourth fault control module includes a fourth interphase fault switch and a fourth ground fault switch.
Optionally, the voltage input module is a 220V ac voltage source.
Optionally, the main control module includes a current booster, a voltage reducer and a main control device, and the current booster and the voltage reducer are respectively connected to the main control device.
Optionally, the joint debugging device further includes a timer, and the timer is connected to the main control device.
The embodiment of the utility model provides an in, distribution automation terminal quadruplex position allies oneself with transfers the device and can build one fast and join in marriage net operational environment, combines actual conditions simulation transformer substation's export protection and circuit distribution network automation complete set's primary structure and running state to can demonstrate intelligent switch's protection action condition when the circuit breaks down so that analyze the fault reason directly perceivedly, deepen understanding the circuit and join in marriage net structure, improve professional level and strengthen the technical ability of judging the circuit trouble to electric power maintenance and maintainer and have very big help. Aiming at the problem of equipment testing, the distribution automation terminal four-station joint debugging device can be used for detecting distribution network automation terminals provided by different manufacturers, judging whether the requirements of southern power grid technical standards are met or not, and guaranteeing the normal operation of a power grid.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural component diagram of a four-station joint debugging device of a distribution automation terminal according to an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides a distribution automation terminal quadruplex position allies oneself with transfers internal circuit schematic diagram of device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural component diagram of a distribution automation terminal four-station joint debugging device in an embodiment of the present invention, where the joint debugging device includes a voltage input module, a substation module, a distribution terminal module, a fault control module, and a main control module; wherein,
the substation module comprises a first substation and a second substation;
the power distribution terminal module comprises a first power distribution terminal module, a second power distribution terminal module, a third power distribution terminal module and a fourth power distribution terminal module which are sequentially connected in series, the first power distribution terminal module is connected with the voltage input module through the first transformer substation, and the fourth power distribution terminal module is connected with the second transformer substation;
the fault control module comprises a first fault control module, a second fault control module, a third fault control module and a fourth fault control module, the first fault control module is connected with the first power distribution terminal module, the second fault control module is connected with the second power distribution terminal module, the third fault control module is connected with the third power distribution terminal module, the fourth fault control module is connected with the fourth power distribution terminal module, the first fault control module, the second fault control module, the third fault control module and the fourth fault control module are respectively connected with the main control module.
Specifically, the first power distribution terminal module comprises a first power distribution terminal and a first switch, and the first power distribution terminal is connected with the first switch; the second power distribution terminal module comprises a second power distribution terminal and a second switch, and the second power distribution terminal is connected with the second switch; the third power distribution terminal module comprises a third power distribution terminal and a third switch, and the third power distribution terminal is connected with the third switch; the fourth power distribution terminal module comprises a fourth power distribution terminal and a fourth switch, and the fourth power distribution terminal is connected with the fourth switch.
It should be noted that, the first switch, the second switch, the third switch with the fourth switch establishes ties in proper order on the line, first distribution terminal the second distribution terminal the third distribution terminal with fourth distribution terminal is as joint debugging device's external equipment, joint debugging device sets up a five-core aviation head and a three-core aviation head respectively and connects adaptation control connection to four distribution terminals.
Specifically, the first fault control module comprises a first inter-phase fault switch and a first ground fault switch; the second fault control module comprises a second phase-to-phase fault switch and a second ground fault switch; the third fault control module comprises a third inter-phase fault switch and a third ground fault switch; the fourth fault control module includes a fourth interphase fault switch and a fourth ground fault switch.
It should be noted that the main control module includes a current booster, a voltage reducer and a main control device, where the current booster and the voltage reducer are respectively connected to the main control device. The analysis is carried out in combination with the internal circuit schematic diagram of the distribution automation terminal four-station joint debugging device shown in fig. 2: one end of each of the first interphase fault switch, the second interphase fault switch, the third interphase fault switch and the fourth interphase fault switch is connected to the voltage of the phase A of the line, the other end of each of the first interphase fault switch, the second interphase fault switch, the third interphase fault switch and the fourth interphase fault switch is connected to the pin 5 of the current booster, and the pin 3 of the current booster is connected to the voltage of the phase B of the line. When any phase-to-phase fault switch is closed, the phase voltage A and the phase voltage B are directly short-circuited, the generated phase-to-phase fault current is detected by the main control device, and corresponding protection actions are completed, wherein the current of all phase-to-phase short-circuit points is 5A. Similarly, one end of the first ground fault switch, one end of the second ground fault switch, one end of the third ground fault switch and one end of the fourth ground fault switch are respectively connected to the opening voltage DA of the line, the other end of the first ground fault switch is respectively connected to the pin 5 of the voltage reducer, and the pin 3 of the voltage reducer is connected to the opening voltage DN of the line. When any one of the ground fault switches is closed, the open voltage DA and the open voltage DN are directly short-circuited, the main control device detects the generated zero sequence voltage and completes corresponding protection actions, and the open voltages of all the ground fault points are 30V.
It should be noted that the master control device simulates a substation outlet controller, and compares the detected fault current value or zero sequence voltage value with different protection fixed values to complete corresponding overcurrent three-section protection, grounding protection functions and three-time reclosing commands, thereby realizing the actual action condition of the substation outlet.
The embodiment of the utility model provides an in, the joint debugging device still includes counter and energy storage switch module. The timer is connected with the main control device, is controlled by the switching-on operation of the main control switch and is used for measuring the line electrifying time, and whether the switching-on time of the line switch is consistent with a set value or not can be checked through the timer. The energy storage switch module comprises an energy storage on-off switch, a terminal energy storage, a closing fuse and a separating fuse, the energy storage on-off switch is used for controlling the on-off of the energy storage motor, the energy storage motor is used for driving the energy storage mechanism to compress a spring of a closing mechanism, the spring of the closing mechanism generates certain compression energy, the energy storage motor rotates in the arrow direction until the energy storage on-off switch is turned off to indicate that energy storage is completed. The combined fuse and the sub fuse are only used as control loops for protecting the joint debugging device, and the combined fuse and the sub fuse play a role in protecting the joint debugging device when the tested power distribution terminal does not meet the regulations. In addition, the signal output at the power supply side of the automatic terminal, the signal output at the load side of the automatic terminal and the signal output at the control side of the automatic terminal which are arranged on the joint debugging device are all butted with an external power distribution terminal to transmit control signals.
It should be noted that, in the utility model discloses in the implementation, the beginning and the end condition of time-recorder timing depends on master switch's switching on and off operation, and the maximum value of timing 99 minutes 59 seconds 99 milliseconds, returns to zero after exceeding this maximum value and counts again, and the accessible is pressed the RESET key and is RESET and count again in the timing process.
In addition, the joint debugging device is also provided with an alternating current power supply input main switch, a first transformer substation air switch, a second transformer substation air switch, a transformer substation outlet switch on-off button and a distribution network terminal on-off button. The AC power supply input main switch controls the normal operation of the joint debugging device; the first substation air switch and the second substation air switch not only ensure that a circuit can be subjected to a power supply experiment through closing operation, but also serve as short-circuit protection elements of the circuit; the substation outlet switch opening and closing button simulates an external opening and closing switch and controls the test work of a power distribution terminal connected in a circuit; and the distribution network terminal switching-on and switching-off button is equivalent to controlling the on/off of the first switch, the second switch, the third switch and the fourth switch.
The utility model discloses in the implementation, utilize the joint debugging device combines figure 2 to carry out analog analysis to the short-circuit fault condition: when short-circuit fault between simulation second distribution terminal and third distribution terminal switch, closed outlet switch allows first transformer substation's power transmission, closes preferentially first switch the second switch with the intercommunication of circuit is guaranteed to the third switch, closes in proper order again the second phase fault switch with the fault switch between the third phase, perhaps closes in proper order the second phase fault switch with the fault switch between the third phase, closes in proper order again first switch the second switch with the third switch carries out the circuit intercommunication, at this moment master control device will pass through after rising the current ware reads fault current output corresponding protection action to control corresponding second distribution terminal and third distribution terminal and carry out export tripping operation order.
When an interphase short-circuit fault is simulated, power cannot be transmitted from the second substation, overheating damage of the whole joint debugging device due to the fact that interphase short-circuit current cannot be effectively cut off is avoided, and continuous power transmission of the first substation is prevented from exceeding 60s by paying attention to the timing result of the timer at any time.
The utility model discloses in the implementation, utilize the joint debugging device combines figure 2 to carry out the analog analysis to the ground fault condition: when simulating the ground fault of second distribution terminal and third distribution terminal, closed outlet switch allows first transformer substation's power transmission, closes preferentially first switch the second switch with the intercommunication of circuit is guaranteed to the third switch, closes in proper order again the second ground fault switch with the third ground fault switch, perhaps closes preferentially the second ground fault switch with the third ground fault switch, closes in proper order again first switch the second switch with the third switch carries out the circuit intercommunication, at this moment master control device will pass through the protection action that corresponds is exported after the step-down transformer reads zero sequence voltage to control corresponding second distribution terminal and third distribution terminal and carry out export trip command.
The embodiment of the utility model provides an in, distribution automation terminal quadruplex position allies oneself with transfers the device and can build one fast and join in marriage net operational environment, combines actual conditions simulation transformer substation's export protection and circuit distribution network automation complete set's primary structure and running state to can demonstrate intelligent switch's protection action condition when the circuit breaks down so that analyze the fault reason directly perceivedly, deepen understanding the circuit and join in marriage net structure, improve professional level and strengthen the technical ability of judging the circuit trouble to electric power maintenance and maintainer and have very big help. Aiming at the problem of equipment testing, the distribution automation terminal four-station joint debugging device can be used for detecting distribution network automation terminals provided by different manufacturers, judging whether the requirements of southern power grid technical standards are met or not, and guaranteeing the normal operation of a power grid.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
The distribution automation terminal four-station joint debugging device provided by the embodiment of the utility model is introduced in detail, the principle and the implementation mode of the utility model are explained by adopting a specific embodiment, and the description of the above embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. A distribution automation terminal four-station joint debugging device is characterized by comprising a voltage input module, a transformer substation module, a distribution terminal module, a fault control module and a main control module; wherein,
the substation module comprises a first substation and a second substation;
the power distribution terminal module comprises a first power distribution terminal module, a second power distribution terminal module, a third power distribution terminal module and a fourth power distribution terminal module which are sequentially connected in series, the first power distribution terminal module is connected with the voltage input module through the first transformer substation, and the fourth power distribution terminal module is connected with the second transformer substation;
the fault control module comprises a first fault control module, a second fault control module, a third fault control module and a fourth fault control module, the first fault control module is connected with the first power distribution terminal module, the second fault control module is connected with the second power distribution terminal module, the third fault control module is connected with the third power distribution terminal module, the fourth fault control module is connected with the fourth power distribution terminal module, the first fault control module, the second fault control module, the third fault control module and the fourth fault control module are respectively connected with the main control module.
2. The distribution automation terminal quadruplex position joint debugging device of claim 1, wherein the first distribution terminal module comprises a first distribution terminal and a first switch, and the first distribution terminal is connected with the first switch;
the second power distribution terminal module comprises a second power distribution terminal and a second switch, and the second power distribution terminal is connected with the second switch;
the third power distribution terminal module comprises a third power distribution terminal and a third switch, and the third power distribution terminal is connected with the third switch;
the fourth power distribution terminal module comprises a fourth power distribution terminal and a fourth switch, and the fourth power distribution terminal is connected with the fourth switch.
3. The distribution automation terminal quad-station joint debugging device of claim 1 wherein the first fault control module comprises a first phase-to-phase fault switch and a first ground fault switch;
the second fault control module comprises a second phase-to-phase fault switch and a second ground fault switch;
the third fault control module comprises a third inter-phase fault switch and a third ground fault switch;
the fourth fault control module includes a fourth interphase fault switch and a fourth ground fault switch.
4. The distribution automation terminal quadruplex position joint debugging device of claim 1, wherein the voltage input module is a 220V alternating voltage source.
5. The distribution automation terminal quadruplex position allies oneself with transfers device of claim 1, characterized in that, the main control module includes rise current ware, step-down transformer and master control set, rise current ware and step-down transformer connect respectively with master control set.
6. The distribution automation terminal quadruplex position joint debugging device of claim 5, characterized in that the joint debugging device further comprises a timer, and the timer is connected with the master control device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120471988.5U CN214255849U (en) | 2021-03-04 | 2021-03-04 | Distribution automation terminal quadruplex position allies oneself with transfers device |
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| CN202120471988.5U CN214255849U (en) | 2021-03-04 | 2021-03-04 | Distribution automation terminal quadruplex position allies oneself with transfers device |
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| CN214255849U true CN214255849U (en) | 2021-09-21 |
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| CN202120471988.5U Active CN214255849U (en) | 2021-03-04 | 2021-03-04 | Distribution automation terminal quadruplex position allies oneself with transfers device |
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