CN112687164B - Nuclear phase training system - Google Patents
Nuclear phase training system Download PDFInfo
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- CN112687164B CN112687164B CN202011490954.7A CN202011490954A CN112687164B CN 112687164 B CN112687164 B CN 112687164B CN 202011490954 A CN202011490954 A CN 202011490954A CN 112687164 B CN112687164 B CN 112687164B
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Abstract
The invention particularly discloses a nuclear phase training system which comprises a training main box, an overhead line and a nuclear phase device, wherein the training main box comprises a box body, at least two first output adjusting modules, a power supply module, an inversion unit and at least two first switches, each first output adjusting module and one first switch are respectively arranged at the output end and the input end of the power supply module, the first output adjusting modules are arranged in the box body, the overhead line comprises first conducting wires and second conducting wires which are arranged at intervals, each first output adjusting module comprises three first output ends, the nuclear phase device comprises a nuclear phase host, a first nuclear phase rod, a first testing connector, a first transmitting and receiving head, a second nuclear phase rod, a second testing connector and a second transmitting and receiving head, the first transmitting and receiving head and the second transmitting and receiving head can be respectively in communication connection with the nuclear phase host, and the nuclear phase host is used for displaying a phase sequence transmitted by the first transmitting and receiving head or the second transmitting head, Phase voltage and phase angle. The nuclear phase training system is high in training uniformity and accuracy.
Description
Technical Field
The invention relates to the technical field of electric power operation and maintenance, in particular to a nuclear phase training system.
Background
The rapid development of the society has more and more high requirements on the reliability of a power grid, the power transfer is an important means for achieving the purpose in order to give consideration to upgrading and reconstruction of users and power equipment and maintenance requirements, the phase verification of different lines before power transfer is a necessary measure for guaranteeing safe operation and power supply success of the power transfer grid, and the phase verification comprises phase sequence verification and phase position verification. The phase sequence is mainly checked for normal work of the generator and the motor, in the practice of power production, a test for checking the phase sequence must be carried out before the generator is connected to the grid, the phase sequence is not correct, the generator cannot be connected to the grid, and equipment damage can be caused by forced grid connection. It is therefore important that the operator possess substantial phase verification skills.
At present, a nuclear phase training and post competence assessment are mainly performed by using a nuclear phase instrument, a simulation line and equipment, and the training line is uncharged, only a single scene demonstration is performed, various scenes on the scene cannot be truly restored, and expected exercise and assessment effects cannot be achieved; meanwhile, the nuclear phase of the primary equipment and the secondary equipment needs to be constructed on site, but the primary equipment and the secondary equipment are high in manufacturing cost and large in occupied area, and cannot be constructed uniformly due to different unit and training site conditions, and the nuclear phase instrument does not have the nuclear phase checking function of the primary equipment and the secondary equipment, so that the uniformity and the accuracy of nuclear phase simulation training cannot be guaranteed.
Disclosure of Invention
The embodiment of the invention aims to provide a nuclear phase training system which can truly restore the charged states of primary equipment and secondary equipment in a safe low-voltage state, so that the nuclear phase operation of the primary equipment and the secondary equipment is completely simulated, the true phase sequence, phase voltage and phase angle feedback can be obtained, and the uniformity and the accuracy of nuclear phase simulation training are ensured.
To achieve the purpose, the embodiment of the invention adopts the following technical scheme:
the nuclear phase training system comprises a training main box, an overhead line and a nuclear phase device, wherein the training main box comprises a box body, at least two first output adjusting modules, a power supply module, an inversion unit and at least two first switches, each first output adjusting module and one first switch are arranged at the output end and the input end of the power supply module respectively to form an electric connection loop, the first output adjusting modules are arranged in the box body and used for providing a direct current power supply, and the inversion unit is used for outputting the direct current power supply of the power supply module to a three-phase alternating current power supply;
the overhead line comprises at least three first conducting wires arranged at intervals and at least three second conducting wires arranged at intervals, the first output regulating module comprises three first output ends, the three first output ends of one first output regulating module are sequentially connected with the three first conducting wires in a one-to-one mode, and the three first output ends of the other first output regulating module are sequentially connected with the three second conducting wires in a one-to-one mode;
the nuclear phase device comprises a nuclear phase host, a first nuclear phase rod, a first test joint, a first transceiving head, a second nuclear phase rod, a second test joint and a second transceiving head, the first test joint, the first nuclear phase rod and the first transceiver are electrically connected in sequence, the second test joint, the second nuclear phase rod and the second transceiver are electrically connected in sequence, the first test connector is used for being electrically connected with the first lead and acquiring the phase sequence, the phase voltage and the phase angle of the first lead, the second test joint is used for being electrically connected with the second lead and acquiring the phase sequence, the phase voltage and the phase angle of the second lead, the first transceiver head and the second transceiver head can be respectively connected with the nuclear phase host in a communication way, and the nuclear phase host is used for displaying the phase sequence, the phase voltage and the phase angle sent by the first transceiving head or the second transceiving head.
As a preferred scheme of the nuclear phase training system, the first output regulating module further includes a first a connection terminal, a first B connection terminal, a first C connection terminal, and three first connection cables, one end of each first connection cable is connected to the first a connection terminal or the first B connection terminal or the first C connection terminal, and the other end of each first connection cable is connected to the first output end.
As a preferred scheme of the nuclear phase training system, the first output adjusting module further includes three first indicator lights, the first indicator lights are respectively disposed between the first a connection terminal and the first output end, or between the first B connection terminal and the first output end, or between the first C connection terminal and the first output end, and the first indicator lights can be turned on when being powered on.
As a preferred scheme of the nuclear phase training system, the first output adjustment module further includes three first phase angle adjustment knobs and three first phase voltage adjustment knobs, any one of the first phase angle adjustment knobs and any one of the first phase voltage adjustment knobs are disposed between the first switch and the first a-phase connection terminal, or disposed between the first switch and the first B-phase connection terminal, or disposed between the first switch and the first C-phase connection terminal, the first phase angle adjustment knobs are configured to adjust three phase angles of the first output terminals, and the first phase voltage adjustment knobs are configured to adjust three phase voltages of the first output terminals.
As an optimal scheme of the nuclear phase training system, the training main box further comprises a second output adjusting module and a second switch, the second output adjusting module and the second switch are arranged at the output end and the input end of the power module to form an electric connection loop, the second output adjusting module is arranged inside the box body and comprises three second output ends, and the second output ends are sequentially connected with the three first leads or the second leads in a one-to-one mode.
As a preferred scheme of the nuclear phase training system, a first main switch is arranged between the first switch and the inversion unit, and a second main switch is arranged between the second switch and the inversion unit.
As a preferred scheme of the nuclear phase training system, the training main box further comprises a rectification filtering unit and a USB connecting end, the USB connecting end and the rectification filtering unit are electrically connected with the power module in sequence, and the rectification filtering unit is used for rectifying and filtering the direct-current power supply of the power module to output.
As a preferable mode of the nuclear phase training system, the first test connector is in the shape of a needle or a hook, or the second test connector is in the shape of a needle or a hook.
As a preferred scheme of the nuclear phase training system, the overhead line further comprises a fourth first wire and a fourth second wire, the four first wires are arranged at intervals, the four second wires are arranged at intervals, the nuclear phase device further comprises a nuclear phase device and at least four test wire clamps, each test wire clamp can be independently and electrically connected with one first wire or one second wire, and the nuclear phase device is used for displaying the phase sequence, the phase voltage and the phase angle of the first wire or the second wire.
As a preferable scheme of the nuclear phase training system, a protection unit is arranged between the first switch and the inverter unit, and the protection unit can disconnect the electric connection loop when the electric connection loop is subjected to electric shock, electric leakage or short circuit.
The embodiment of the invention has the beneficial effects that:
the nuclear phase training system is formed by arranging a training main box, an overhead line and a nuclear phase device, wherein the training main box comprises a box body, at least two first output adjusting modules, a power module, an inversion unit and at least two first switches, each first output adjusting module is arranged at the output end and the input end of the power module respectively with one first switch to form an electric connection loop, and the electric connection loop where the first output adjusting modules are located can be communicated or blocked by opening or closing the first switches. The first output adjusting module is arranged in the box body, so that the situation that assessment personnel or training personnel can observe the circuit logic of the first output adjusting module can be avoided, the power supply module is used for providing a direct-current power supply which is lower than a high-voltage line, and the inversion unit is used for outputting the direct-current power supply of the power supply module to a low-voltage three-phase alternating-current power supply, so that the core training system of the embodiment can be used for electrified training and electrified assessment, the actual nuclear phase operation is really restored, the actual high-voltage line is also prevented from being built, and the training risk is increased. Furthermore, the overhead line comprises at least three first leads arranged at intervals and at least three second leads arranged at intervals, the first output adjusting module comprises three first output ends, the three first output ends of one first output adjusting module are sequentially connected with the three first leads in a one-to-one manner, the three first output ends of the other first output adjusting module are sequentially connected with the three second leads in a one-to-one manner, and the first output ends of any two first output adjusting modules are respectively connected with the first leads or the second leads, so that a true electrified three-phase alternating-current power supply can be restored on the overhead line. In addition, the nuclear phase device comprises a nuclear phase host, a first nuclear phase rod, a first test joint, a first transceiving head, a second nuclear phase rod, a second test joint and a second transceiving head, wherein the first test joint, the first nuclear phase rod and the first transceiving head are sequentially and electrically connected, the first test joint is used for being electrically connected with a first lead and obtaining the phase sequence, the phase voltage and the phase angle of the first lead, a handheld nuclear phase tool for detecting the first lead of the overhead line can be formed by splicing the first test joint, the first nuclear phase rod and the first transceiving head, and when the first test joint is in contact with the first lead, the phase sequence, the phase voltage and the phase angle of the corresponding first lead can be obtained. The first transceiver head can be in communication connection with the nuclear phase host, so that the nuclear phase host can display the phase sequence, the phase voltage and the phase angle sent by the first transceiver head, and the phase sequence, the phase voltage and the phase angle are used as a nuclear phase judgment basis for the overhead line. Similarly, a second test joint, a second nuclear phase rod and a second transceiver are sequentially and electrically connected to form another handheld nuclear phase tool, the second test joint can also be electrically connected with a second lead and acquire the phase sequence, the phase voltage and the phase angle of the second lead, the second transceiver can also be in communication connection with a nuclear phase host and send the phase sequence, the phase voltage and the phase angle of the second lead to the nuclear phase host, the phase sequence, the phase voltage and the phase angle of the first lead acquired by the first test joint are compared with the phase sequence, the phase voltage and the phase angle acquired by the second test joint, when the phase sequences of the first lead and the second lead are equal, the two power supplies can be regarded as being in phase, and when the difference value of the phase voltages and the difference value of the phase angles of the first lead and the second lead are within a preset threshold value, the two power supplies can be connected to a grid, otherwise, the grid connection cannot be performed. Moreover, the training main box is connected with the overhead line, and the nuclear phase operation of primary equipment can be simulated when the nuclear phase device is used for carrying out nuclear phase on the overhead line; if the training main box is not connected with the overhead line, the first test connector and the second test connector of the nuclear phase device are directly connected with different first output ends of the training main box respectively, and nuclear phase operation of secondary equipment can be simulated. Therefore, the nuclear phase training system can simulate and restore the scene of a real power utilization field in an electrified way, so that the nuclear phase operation of primary equipment and secondary equipment is completely simulated, and the real phase sequence, phase voltage and phase angle feedback can be obtained, so that the uniformity and the accuracy of nuclear phase simulation training are ensured.
Drawings
The invention is explained in more detail below with reference to the figures and examples.
Fig. 1 is a schematic view of a usage scenario of a nuclear phase training system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a training main box according to an embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of a training main box according to an embodiment of the present invention.
Fig. 4 is a schematic partial structure diagram of a nuclear phase apparatus according to an embodiment of the present invention.
Fig. 5 is a schematic partial structural view of a nuclear phase apparatus according to another embodiment of the present invention.
Fig. 6 is a schematic partial structure diagram of a nuclear phase apparatus according to still another embodiment of the present invention.
Fig. 7 is a schematic view of a usage scenario of the nuclear phase training system according to another embodiment of the present invention.
Fig. 8 is a schematic partial structural view of a nuclear phase apparatus according to another embodiment of the present invention.
In the figure:
1. training a main box; 11. a box body; 12. a first output adjustment module; 121. a first output terminal; 122. a first A connection terminal; 123. a first B-connection terminal; 124. a first C-connection terminal; 125. a first connection cable; 126. a first indicator light; 127. a first phase angle adjustment knob; 128. a first phase voltage adjustment knob; 13. a power supply module; 14. an inversion unit; 151. a first switch; 152. a second switch; 16. a second output adjustment module; 161. a second output terminal; 162. a second A connection terminal; 163. a second B connection terminal; 164. a second C connection terminal; 165. a second connection cable; 166. a second indicator light; 167. a second phase angle adjusting knob; 168. a second phase voltage adjusting knob; 171. a first main switch; 172. a second master switch; 181. a rectification filter unit; 182. a protection unit; 19. a USB connection end;
2. an overhead line; 21. a first conductive line; 22. a second conductive line;
3. a nuclear phase device; 31. a nuclear phase host; 32. a first nuclear phase rod; 33. a first test connection; 34. a first transceiving head; 35. a second nuclear phase rod; 36. a second test connection; 37. a second transceiving head; 38. a phase detector; 39. and (5) testing the wire clamp.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1, 2 and 3, an embodiment of the invention provides a nuclear phase training system, which includes a training main box 1, an overhead line 2 and a nuclear phase apparatus 3, where the training main box 1 includes a box 11, at least two first output regulating modules 12, a power module 13, an inverter unit 14 and at least two first switches 151, each first output regulating module 12 and one first switch 151 are respectively disposed at an output end and an input end of the power module 13 to form an electrical connection loop, the first output regulating module 12 is disposed inside the box 11, the power module 13 is configured to provide a direct current power, and the inverter unit 14 is configured to output the direct current power of the power module 13 as a three-phase alternating current power;
the overhead line 2 comprises at least three first conducting wires 21 arranged at intervals and at least three second conducting wires 22 arranged at intervals, the first output regulating module 12 comprises three first output ends 121, wherein the three first output ends 121 of one first output regulating module 12 are sequentially connected with the three first conducting wires 21 in a one-to-one manner, and the three first output ends 121 of the other first output regulating module 12 are sequentially connected with the three second conducting wires 22 in a one-to-one manner;
referring to fig. 4 to 6, the nuclear phase apparatus 3 includes a nuclear phase main unit 31, a first nuclear phase rod 32, a first test connector 33, a first transceiving head 34, a second nuclear phase rod 35, a second test connector 36, and a second transceiving head 37, the first test connector 33, the first nuclear phase bar 32 and the first transceiving head 34 are electrically connected in sequence, the second test connector 36, the second nuclear phase bar 35 and the second transceiving head 37 are electrically connected in sequence, the first test connector 33 is used for being electrically connected with the first lead 21 and obtaining the phase sequence, the phase voltage and the phase angle of the first lead 21, the second test connector 36 is used for being electrically connected with the second lead 22 and obtaining the phase sequence, the phase voltage and the phase angle of the second lead 22, the first transceiving head 34 and the second transceiving head 37 can be respectively in communication connection with the nuclear phase host machine 31, and the nuclear phase host machine 31 is used for displaying the phase sequence, the phase voltage and the phase angle sent by the first transceiving head 34 or the second transceiving head 37.
The embodiment of the invention forms a nuclear phase training system by arranging a training main box 1, an overhead line 2 and a nuclear phase device 3, wherein the training main box 1 comprises a box body 11, at least two first output regulating modules 12, a power module 13, an inverter unit 14 and at least two first switches 151, each first output regulating module 12 and one first switch 151 are respectively arranged at the output end and the input end of the power module 13 to form an electric connection loop, and the electric connection loop where the first output regulating module 12 is arranged can be communicated or blocked by opening or closing the first switches 151. The first output adjusting module 12 is arranged inside the box body 11, so that the situation that an assessment person or a training person can observe the circuit logic of the first output adjusting module 12 can be avoided, the power module 13 is used for providing a direct-current power supply with a lower voltage than a high-voltage line, and the inverter unit 14 is used for outputting the direct-current power supply of the power module 13 as a low-voltage three-phase alternating-current power supply, so that the core training system of the embodiment can be used for electrified training and electrified assessment, the actual nuclear phase operation is truly restored, the actual high-voltage line is also prevented from being built, and the training risk is increased. In this embodiment, the voltage of the power module 13 is less than the human body safety voltage 36V, so that even if an electric shock occurs, the human body is prevented from being injured.
Furthermore, the overhead line 2 includes at least three first wires 21 arranged at intervals and at least three second wires 22 arranged at intervals, the first output regulating module 12 includes three first output ends 121, the three first output ends 121 of one first output regulating module 12 are sequentially connected with the three first wires 21 one to one, the three first output ends 121 of another first output regulating module 12 are sequentially connected with the three second wires 22 one to one, and the first output ends 121 of any two first output regulating modules 12 are respectively connected with the first wires 21 or the second wires 22, so that a true electrified three-phase alternating-current power supply can be restored on the overhead line 2.
In addition, the nuclear phase device 3 includes a nuclear phase host 31, a first nuclear phase rod 32, a first test connector 33, a first transceiver 34, a second nuclear phase rod 35, a second test connector 36 and a second transceiver 37, the first test connector 33, the first nuclear phase rod 32 and the first transceiver 34 are electrically connected in sequence, the first test connector 33 is used for being electrically connected with the first lead 21 and obtaining the phase sequence, the phase voltage and the phase angle of the first lead 21, a handheld nuclear phase tool for detecting the first lead 21 of the overhead line 2 can be formed by splicing the first test connector 33, the first nuclear phase rod 32 and the first transceiver 34, and when the first test connector 33 is in contact with the first lead 21, the phase sequence, the phase voltage and the phase angle of the corresponding first lead 21 can be obtained. The first transceiver 34 can be in communication connection with the nuclear phase main unit 31, so that the nuclear phase main unit 31 can display the phase sequence, the phase voltage and the phase angle transmitted by the first transceiver 34, and the phase sequence, the phase voltage and the phase angle are used as the basis for phase checking of the overhead line 2.
Similarly, a second test connector 36, a second nuclear phase rod 35 and a second transceiver 37 are electrically connected in sequence to form another handheld nuclear phase tool, the second test connector 36 can also be electrically connected with the second lead 22 and acquire the phase sequence, the phase voltage and the phase angle of the second lead 22, the second transceiver 37 can also be connected with the nuclear phase host 31 in a communication manner and sends the phase sequence, the phase voltage and the phase angle of the second lead 22 to the nuclear phase host 31, the phase sequence, the phase voltage and the phase angle of the first lead 21 acquired by the first test connector 33 are compared with the phase sequence, the phase voltage and the phase angle acquired by the second test connector 36, when the phase sequence of the first wire 21 and the second wire 22 is equal, it can be considered that the two power supplies are in phase, when the difference value of the phase voltages and the difference value of the phase angles of the first wire 21 and the second wire 22 are within a preset threshold value, the two power supplies can be connected in a grid-connected mode, otherwise, the two power supplies cannot be connected in the grid-connected mode.
Moreover, the training main box 1 is connected with the overhead line 2, and can simulate the nuclear phase operation of primary equipment when the nuclear phase device 3 is used for carrying out nuclear phase on the overhead line 2; if the training main box 1 is not connected with the overhead line 2, the first test connector 33 and the second test connector 36 of the phase checking device 3 are directly connected with different first output ends 121 of the training main box 1 respectively, and the phase checking operation of the secondary equipment can be simulated. Therefore, the nuclear phase training system can simulate and restore scenes of a real power utilization field in a charged mode, and can simulate primary equipment and secondary equipment and carry out nuclear phase verification, so that the uniformity and the accuracy of nuclear phase simulation training are guaranteed.
In this embodiment, the power module 13 may be a combination of a storage battery and a power management system, or a combination of a self-generating hand-powered power generation system and a battery, and this embodiment is not limited in particular.
In one embodiment, with continued reference to fig. 3, the first output regulating module 12 further includes a first a-phase connection terminal 122, a first B-phase connection terminal 123, a first C-phase connection terminal 124 and three first connection cables 125, one end of each first connection cable 125 is connected to the first a-phase connection terminal 122 or the first B-phase connection terminal 123 or the first C-phase connection terminal 124, and the other end is connected to the first output end 121, the present embodiment connects the first a-phase connection terminal 122, the first B-phase connection terminal 123, the first C-phase connection terminal 124 and the output end through the three first connection cables 125, respectively, so that the phase sequence of the first output regulating module 12 can be changed, for example, the a-phase power output from the first a-phase connection terminal 122 is set as the a-phase power, the B-phase power output from the first B-phase connection terminal 123 is set as the B-phase power, the C-phase power output from the first C-phase connection terminal 124 is set as the C-phase power, the first output terminal 121 corresponding to the first a-phase connection terminal 122 is connected to the first B-phase connection terminal 123 via the first connection cable 125, so that the original a-phase power supply can be changed to a B-phase power supply, thereby achieving the effect of changing the phase sequence. The phase sequence of the first output adjusting module 12 is changed, the first output adjusting module 12 is arranged in the box body 11, the parameters of the nuclear phase training system can be changed to carry out various examination or various training, the emergency processing capacity of training personnel or examination personnel can be improved, the simulation content of the nuclear phase training system is avoided being too single, and the training personnel can mechanically recite the operation content and can carry out the training or the examination.
Further, with continued reference to fig. 2 and 3, the first output adjustment module 12 further includes three first indicator lights 126, the first indicator lights 126 are respectively disposed between the first a connection terminal 122 and the first output end 121, or between the first B connection terminal 123 and the first output end 121, or between the first C connection terminal 124 and the first output end 121, the first indicator lights 126 can be turned on when being powered on, can indicate the conduction condition of the first output end 121, and is not turned on when the first output end 121 is not conducted, so as to avoid increasing unnecessary training difficulty.
Optionally, with continued reference to fig. 3, the first output adjusting module 12 further includes three first phase angle adjusting knobs 127 and three first phase voltage adjusting knobs 128, any one of the first phase angle adjusting knobs 127 and any one of the first phase voltage adjusting knobs 128 is disposed between the first switch 151 and the first a-phase connection terminal 122, or between the first switch 151 and the first B-phase connection terminal 123, or between the first switch 151 and the first C-phase connection terminal 124, the first phase angle adjusting knob 127 is used for adjusting phase angles of the three first output terminals 121, and the first phase voltage adjusting knob 128 is used for adjusting phase voltages of the three first output terminals 121. In the embodiment, the phase angle and the phase voltage of the nuclear phase training system can be further changed by adjusting the first phase angle adjusting knob 127 and the first phase voltage adjusting knob 128, so that the training content and the variety of the examination content of the nuclear phase operation are further increased.
In another embodiment, referring to fig. 2 and 3, the training main box 1 further includes a second output adjusting module 16 and a second switch 152, the second output adjusting module 16 and the second switch 152 are disposed at the output end and the input end of the power module 13 to form an electrical connection loop, and the second output adjusting module 16 is disposed inside the box body 11 to also hide the circuit logic of the second output adjusting module 16 to prevent the examinee or the training person from being informed of the examination content and the training content. Similarly, the second output adjusting module 16 includes three second output terminals 161, and the three second output terminals 161 are sequentially connected to the three first wires 21 or the three second wires 22 one by one. In the above embodiment, when different first output regulating modules 12 are respectively connected to the first conducting wire 21 and the second conducting wire 22, the core phase operation of the first conducting wire 21 and the second conducting wire 22 of the power source belonging to the same first output regulating module 12 is the homologous core phase operation, and the homologous core phase operation can ensure that the sequence of the line represented by the first output regulating module 12 is correct when the bus output is connected through the first switch 151, which is a basic requirement that the line can be incorporated into a power grid for supplying power. When the second output regulation module 16 and the first output regulation module 12 of the present embodiment are connected to the first lead 21 or the second lead 22 respectively, different lines can be formed, and since the power supplies of the first lead 21 and the second lead 22 are from the first output regulation module 12 and the second output regulation module 16 respectively and belong to different power supplies, the nuclear phase operation of the first lead 21 and the second lead 22 of the present embodiment is a heterogeneous nuclear phase operation, which can verify whether a primary line commonly connected to the first output regulation module 12 and the second output regulation module 16 is faulty, and can also ensure that the phase sequence when the lines represented by the first output regulation module 12 and the second output regulation module 16 are connected to the bus output respectively is correct, so that the lines can be incorporated into the power grid for power supply. That is, the nuclear phase training system of the present embodiment is configured such that the first output regulation module 12 and the second output regulation module 16 are different from each other in the compact case 11, and thus the homologous nuclear phase operation and the heterologous nuclear phase operation can be performed simultaneously without additionally configuring another nuclear phase training system.
Similarly, in one embodiment, with continued reference to fig. 3, the second output regulating module 16 further includes a second a-phase connection terminal 162, a second B-phase connection terminal 163, a second C-phase connection terminal 164 and three second connection cables 165, one end of each second connection cable 165 is connected to the second a-phase connection terminal 162, the second B-phase connection terminal 163, or the second C-phase connection terminal 164, and the other end is connected to the second output terminal 161, the present embodiment connects the second a-phase connection terminal 162, the second B-phase connection terminal 163, the second C-phase connection terminal 164, and the output terminals via the three second connection cables 165, respectively, so that the phase sequence of the second output regulating module 16 can be changed, for example, the a-phase power output from the second a-phase connection terminal 162 is set, the B-phase power output from the second B-phase connection terminal 163 is set, the C-phase power output from the second C-phase connection terminal 164 is set, therefore, the second output terminal 161 corresponding to the second a-phase connection terminal 162 is connected to the second B-phase connection terminal 163 through the second connection cable 165, and the original a-phase power supply can be changed to the B-phase power supply, thereby achieving the effect of changing the phase sequence. The phase sequence of the second output adjusting module 16 is changed, the second output adjusting module 16 is arranged in the box body 11, parameters of the nuclear phase training system can be changed to conduct various examination or various training, the emergency processing capacity of training personnel or examination personnel can be improved, the simulation content of the nuclear phase training system is avoided being too single, and the training personnel can mechanically recite the operation content and conduct training or examination.
Further, with continued reference to fig. 2 and 3, the second output adjusting module 16 further includes three second indicator lights 166, the second indicator lights 166 are respectively disposed between the second a phase connection terminal 162 and the second output terminal 161, or between the second B phase connection terminal 163 and the second output terminal 161, or between the second C phase connection terminal 164 and the second output terminal 161, the second indicator lights 166 can be turned on when being powered on, can indicate the conduction condition of the second output terminal 161, and are not turned on when the second output terminal 161 is not conducting, so as to avoid increasing unnecessary training difficulty.
Optionally, with continued reference to fig. 3, the second output adjustment module 16 further includes three second phase angle adjustment knobs 167 and three second phase voltage adjustment knobs 168, any one of the second phase angle adjustment knobs 167 and any one of the second phase voltage adjustment knobs 168 is disposed between the second switch 152 and the second a-phase connection terminal 162, or between the second switch 152 and the second B-phase connection terminal 163, or between the second switch 152 and the second C-phase connection terminal 164, the second phase angle adjustment knob 167 is used for adjusting the phase angle of the three second output terminals 161, and the second phase voltage adjustment knob 168 is used for adjusting the phase voltage of the three second output terminals 161. In the embodiment, the phase angle and the phase voltage of the nuclear phase training system can be further changed by adjusting the second phase angle adjusting knob 167 and the second phase voltage adjusting knob 168, so that the training content and the variety of the examination content of the nuclear phase operation are further increased.
Further, with continued reference to fig. 2 and 3, a first main switch 171 is disposed between the first switch 151 and the inverter unit 14, and the first main switch 171 is turned on or off to connect or disconnect the power supply of the first output regulating module 12, so as to select whether to perform a phase check on the line where the first output regulating module 12 is located. Similarly, a second main switch 172 is provided between the second switch 152 and the inverter unit 14, and the power supply of the second output regulation module 16 can be connected or disconnected by opening or closing the second main switch 172, so as to select whether to perform phase checking on the line where the second output regulation module 16 is located.
In particular, referring to fig. 3, the training main box 1 further includes a rectifying and filtering unit 181 and a USB connection end 19, the USB connection end 19 and the rectifying and filtering unit 181 are electrically connected to the power module 13 in sequence, and the rectifying and filtering unit 181 is configured to rectify and filter the dc power of the power module 13 for output, so as to reduce the loss of noise to the power module 13. In addition, the operating personnel can get the electricity through the nuclear phase training system of this embodiment after inserting external equipment into USB link 19, or insert USB link 19 with external power source and can additionally supply power to the nuclear phase training system of this embodiment.
Preferably, referring to fig. 4 and 5, the first test connector 33 is shaped as a needle or hook, or the second test connector 36 is shaped as a needle or hook. When the first test contact 33 or the second test contact 36 is in the hook shape, the first test contact 33 or the second test contact 36 can be hung on the first lead 21 or the second lead 22, and the nuclear phase operation of the primary line can be performed; when the first test socket 33 or the second test socket 36 is in the form of a pin, the first test socket 33 or the second test socket 36 can be directly connected to the first output terminal 121, and the nuclear phase operation of the secondary device can be performed.
The high-voltage line (voltage is greater than or equal to 10 kilovolts) in China usually adopts a three-phase three-wire system, referring to the overhead line 2 in fig. 1, so that the three first wires 21 and the three second wires 22 of the above embodiment can simulate the high-voltage line to complete the phase checking operation of the high-voltage line. While a three-phase four-wire system is generally adopted in the low-voltage line (the voltage is less than or equal to 0.4 kilovolt), in another embodiment, referring to the overhead line 2 of fig. 7, the overhead line 2 further comprises a fourth first wire 21 and a fourth second wire 22, the four first wires 21 are arranged at intervals, the four second wires 22 are arranged at intervals, and the fourth first wire 21 and the fourth second wire 22 can be used as a neutral wire in the low-voltage line to simulate the three-phase four-wire system of the low-voltage three-phase line.
Referring to fig. 7 and 8, the phase nucleus apparatus 3 further includes a phase nucleus device 38 and at least four test clamps 39, each test clamp 39 being capable of being electrically connected to one first wire 21 or one second wire 22 individually, the phase nucleus device 38 being configured to display a phase sequence, a phase voltage and a phase angle of the first wire 21 or the second wire 22, to truly restore a test environment of the low voltage three-phase line, and to perform a phase nucleus operation using the phase nucleus apparatus 3 suitable for the low voltage three-phase line. The phase detector 38 is connected with a test wire clamp 39
In another embodiment, referring to fig. 3, a protection unit 182 is disposed between the first switch 151 and the inverter unit 14, and the protection unit 182 can disconnect the electrical connection loop when the electrical connection loop is shocked, leaked or shorted. The protection unit 182 of this embodiment may be an electric leakage switch or an overcurrent protection switch to achieve the functions of preventing electric shock, leakage and short circuit, and this embodiment is not limited in particular.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or a positional relationship based on the orientation shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principles of the present invention have been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (10)
1. A nuclear phase training system is characterized by comprising a training main box, an overhead line and a nuclear phase device, wherein the training main box comprises a box body, at least two first output adjusting modules, a power supply module, an inversion unit and at least two first switches, each first output adjusting module and one first switch are respectively arranged at the output end and the input end of the power supply module to form an electric connection loop, the first output adjusting modules are arranged in the box body, the power supply module is used for providing a direct current power supply, and the inversion unit is used for outputting the direct current power supply of the power supply module into a three-phase alternating current power supply;
the overhead line comprises at least three first conducting wires arranged at intervals and at least three second conducting wires arranged at intervals, the first output regulating module comprises three first output ends, the three first output ends of one first output regulating module are sequentially connected with the three first conducting wires in a one-to-one mode, and the three first output ends of the other first output regulating module are sequentially connected with the three second conducting wires in a one-to-one mode;
the nuclear phase device comprises a nuclear phase host, a first nuclear phase rod, a first test joint, a first transceiving head, a second nuclear phase rod, a second test joint and a second transceiving head, the first test joint, the first nuclear phase rod and the first transceiver are electrically connected in sequence, the second test joint, the second nuclear phase rod and the second transceiver are electrically connected in sequence, the first test connector is used for being electrically connected with the first lead and acquiring the phase sequence, the phase voltage and the phase angle of the first lead, the second test joint is used for being electrically connected with the second lead and acquiring the phase sequence, the phase voltage and the phase angle of the second lead, the first transceiver head and the second transceiver head can be respectively connected with the nuclear phase host in a communication way, and the nuclear phase host is used for displaying the phase sequence, the phase voltage and the phase angle sent by the first transceiving head or the second transceiving head.
2. The nuclear phase training system according to claim 1, wherein the first output regulation module further includes a first a-phase connection terminal, a first B-phase connection terminal, a first C-phase connection terminal, and three first connection cables, one end of each of the first connection cables being connected to the first a-phase connection terminal or the first B-phase connection terminal or the first C-phase connection terminal, and the other end thereof being connected to the first output terminal.
3. The nuclear phase training system according to claim 2, wherein the first output adjusting module further includes three first indicator lights, the first indicator lights are respectively disposed between the first a-phase connecting terminal and the first output terminal, or between the first B-phase connecting terminal and the first output terminal, or between the first C-phase connecting terminal and the first output terminal, and the first indicator lights can be turned on when being energized.
4. The nuclear phase training system according to claim 2, wherein the first output adjustment module further includes three first phase angle adjustment knobs and three first phase voltage adjustment knobs, any one of the first phase angle adjustment knobs and any one of the first phase voltage adjustment knobs are provided between the first switch and the first a-phase connection terminal, or between the first switch and the first B-phase connection terminal, or between the first switch and the first C-phase connection terminal, the first phase angle adjustment knobs are used for adjusting phase angles of three first output terminals, and the first phase voltage adjustment knobs are used for adjusting phase voltages of three first output terminals.
5. The nuclear phase training system as claimed in claim 1, wherein the training master box further comprises a second output regulation module and a second switch, the second output regulation module and the second switch are arranged at the output end and the input end of the power module to form an electric connection loop, the second output regulation module is arranged inside the box body, the second output regulation module comprises three second output ends, and the three second output ends are sequentially connected with the three first leads or the three second leads in a one-to-one manner.
6. The nuclear phase training system according to claim 5, wherein a first main switch is arranged between the first switch and the inverter unit, and a second main switch is arranged between the second switch and the inverter unit.
7. The nuclear phase training system as recited in claim 1, wherein the training master box further comprises a rectifying and filtering unit and a USB connection end, the USB connection end and the rectifying and filtering unit are electrically connected to the power module in sequence, and the rectifying and filtering unit is configured to rectify and filter the dc power of the power module for output.
8. The nuclear phase training system as recited in claim 1, wherein the first test joint is shaped as a needle or a hook, or the second test joint is shaped as a needle or a hook.
9. The system for training nuclear phases according to claim 1, wherein the overhead line further comprises a fourth first conductor and a fourth second conductor, the four first conductors are arranged at intervals, the four second conductors are arranged at intervals, the nuclear phase device further comprises a nuclear phase device and at least four test wire clamps, each test wire clamp can be electrically connected with one first conductor or one second conductor independently, and the nuclear phase device is used for displaying the phase sequence, the phase voltage and the phase angle of the first conductor or the second conductor.
10. The nuclear phase training system as claimed in claim 1, wherein a protection unit is disposed between the first switch and the inverter unit, and the protection unit is capable of disconnecting the electrical connection loop when the electrical connection loop is subjected to electric shock, electric leakage or short circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011490954.7A CN112687164B (en) | 2020-12-16 | 2020-12-16 | Nuclear phase training system |
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| CN202011490954.7A CN112687164B (en) | 2020-12-16 | 2020-12-16 | Nuclear phase training system |
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| CN112687164B true CN112687164B (en) | 2022-05-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5538635B1 (en) * | 2013-08-06 | 2014-07-02 | 三菱電機株式会社 | Phase control device |
| CN203643518U (en) * | 2013-12-06 | 2014-06-11 | 国网上海市电力公司 | Three-phase phase sequence calibration device |
| CN207601193U (en) * | 2017-11-02 | 2018-07-10 | 珠海亿诺电子科技有限公司 | It is a kind of from mutual nuclear phase display device |
| CN208706114U (en) * | 2018-04-20 | 2019-04-05 | 广东电网有限责任公司 | A kind of simulator for 10KV route nuclear phase training on operation |
| CN108597330B (en) * | 2018-08-02 | 2023-07-14 | 广东电网有限责任公司 | Phase measuring teaching instrument |
| CN209297536U (en) * | 2018-09-27 | 2019-08-23 | 广东电网有限责任公司 | A kind of nuclear phase training device |
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