CN207780127U - Low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator - Google Patents
Low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator Download PDFInfo
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Abstract
The utility model provides a kind of low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator, it include in set the main website of Mishap Database, and the fault simulation cabinet being connected with main website by Ethernet；Several artificial intelligence electric energy meters, user load unit, communication failure analog module, epitope fault simulation module and fault simulation module of visiting one house after another are provided in the fault simulation cabinet；The main website sends the instruction for generating preset failure to the communication failure analog module, the epitope fault simulation module and the fault simulation module of visiting one house after another respectively by Ethernet interface/serial converter；The communication failure analog module is used for analogue communication phenomenon of the failure；The epitope fault simulation module is used for mimic epitope phenomenon of the failure；The fault simulation module of visiting one house after another is visited one house after another phenomenon of the failure with for simulating.The utility model has the advantages that design science, highly practical, simple in structure low with production cost.
Description
Technical field
The utility model is related to power supply real training technical fields, specifically, relate to a kind of low-voltage distribution transformer platform district intelligence
It can power information system resultant fault simulator.
Background technology
Power information acquisition system is the important component of intelligent grid construction.Currently, each province, city have been put into largely
Electrical energy data acquisition terminal equipment, other prefectures and cities that do not put into will also realize each function of system successively.
With the construction of intelligent grid, goed deep by the gradual of intellectualized reconstruction that Every household has an ammeter, low pressure resident intelligently counts
Measuring tank and single-phase intelligent electric energy meter come into operation extensively, due to the complexity of erecting bed environment, cause to exist in installation process
Many problems, irregular additionally, due to the level of skill of installation personnel, for intelligent metering case after installation is complete, there are logical
The problems such as letter failure, family table relationship do not correspond to, unnecessary trouble is caused to user and system operation.
Equipment operation, the maintenance of acquiring electric energy information system are completed by electrical energy measurement personnel, with high content of technology, workload
Greatly.Live true power information acquisition system, cannot be to technical staff in terms of failure since work and safety condition are limited
Carry out online training.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Invention content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of design science, highly practical, knot
The low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator that structure is simple and production cost is low.
To achieve the goals above, technical solution used by the utility model is：A kind of low-voltage distribution transformer platform district intelligence use
Power information system resultant fault simulator is used for the fault simulation of Intelligent power-utilization information system, it sets fault data including interior
The main website in library, and the fault simulation cabinet that is connected with main website by Ethernet；It is provided in the fault simulation cabinet several
Artificial intelligence electric energy meter, user load unit, communication failure analog module, epitope fault simulation module and fault simulation mould of visiting one house after another
Block；
The main website, by Ethernet interface/serial converter respectively to the communication failure analog module, epitope event
Barrier analog module and the fault simulation module of visiting one house after another send the instruction for generating preset failure；
The communication failure analog module is connected between concentrator and the artificial intelligence electric energy meter, for according to institute
The communication failure instruction for stating main website transmission controls and sets the break-make of relay in the communication failure analog module to generate communication event
Hinder phenomenon；
The epitope fault simulation module is connected with three-phase voltage current source and the artificial intelligence electric energy meter respectively, uses
In the meter faulting instruction sent according to the main website, the break-make next life that relay is set in the epitope fault simulation module is controlled
At epitope phenomenon of the failure；
The fault simulation module of visiting one house after another, is connected with the artificial intelligence electric energy meter and the user load unit, is used for
According to the faulting instruction of visiting one house after another that the main website is sent, the break-make that relay is set in wiring faults analogue unit of visiting one house after another described in control is come
Generation is visited one house after another phenomenon of the failure.
Based on above-mentioned, the communication failure analog module includes communication failure control unit and communication failure execution unit；
For the communication failure control unit with main website communication connection, the communication failure for being sent according to the main website instructs control
The corresponding actuating of relay of communication failure execution unit.
Based on above-mentioned, the communication failure execution unit include dpdt relay K50-K52, diode D50-D52,
Wiring port P3 and Wiring port P4；The first of the dpdt relay K50 and dpdt relay K51 is dynamic to be touched
Head is all connected with the Wiring port P3, the first normally closed interlock of the dpdt relay K50 connect the double-pole double throw after
First normally closed interlock of the first moving contact of electric appliance K52, the dpdt relay K51 connects the dpdt relay
The second moving contact of K52；It is connect after the first normally closed interlock of the dpdt relay K52 and the connection of the second normally open contact
Line end P4；Access terminals P4 after the first normally open contact of the dpdt relay K52 and the connection of the second normally closed interlock.
Based on above-mentioned, the epitope fault simulation module includes epitope faulty control unit and epitope failure execution unit；
With main website communication connection, the epitope faulting instruction for being sent according to the main website controls the epitope faulty control unit
The corresponding actuating of relay of epitope failure execution unit.
Based on above-mentioned, the epitope failure execution unit includes voltage misconnection fault simulation circuit and electric current misconnection failure mould
Quasi- circuit；The voltage misconnection fault simulation circuit includes sequentially connected gear switch circuit, voltage mistake phase sequence commutation circuit
Break phase switching circuit with voltage；The electric current misconnection fault simulation circuit includes sequentially connected short circuit current switching circuit, electricity
Flow reversed polarity switching circuit, current open switching circuit and electric current mistake phase sequence commutation circuit.
Based on above-mentioned, the fault simulation module of visiting one house after another includes three-phase four-wire power circuit, electrical energy measurement unit and visits one house after another
Fault simulation unit, the three-phase four-wire power circuit include sequentially connected three-phase and four-line voltage source, breaker, isolation transformation
Device, A.C. contactor, power-supply filter and current leakage detection protection device；The electrical energy measurement unit includes three groups of artificial intelligence electric energy
Table, artificial intelligence electric energy meter described in every group include three artificial intelligence electric energy meters；The fault simulation unit of visiting one house after another includes first
Wiring faults analog circuit, the second visit one house after another wiring faults analog circuit, the third of visiting one house after another are visited one house after another wiring faults analog circuit and the 4th
It visits one house after another wiring faults analog circuit, the electrical energy measurement unit is separately connected by the described first wiring faults analog circuit of visiting one house after another
Described second visit one house after another wiring faults analog circuit, the third visit one house after another wiring faults analog circuit and the described 4th visit one house after another wiring therefore
Hinder analog circuit.
Based on above-mentioned, the user load unit is separately connected the second visit one house after another wiring faults analog circuit, third and visits one house after another and connect
Line fault simulation circuit and the 4th is visited one house after another wiring faults analog circuit；The user load unit includes three load boxs, each
The load box is respectively connected with resistive load user, capacitive load user and inductive load user.
Based on above-mentioned, described first visit one house after another wiring faults analog circuit, described second visit one house after another wiring faults analog circuit, institute
It states third wiring faults analog circuit and the described 4th of visiting one house after another to visit one house after another wiring faults analog circuit, includes wiring faults control of visiting one house after another
Circuit processed and wiring faults execution circuit of visiting one house after another, visit one house after another wiring faults control circuit and the main website communication connection, are used for
The corresponding actuating of relay of wiring faults execution circuit of visiting one house after another described in faulting instruction control of visiting one house after another sent according to the main website；Institute
It includes dpdt relay JK1-JK27 to state wiring faults execution circuit of visiting one house after another, the coil of each dpdt relay
It is parallel with diode IN4007.
Based on above-mentioned, the wiring faults control circuit of visiting one house after another uses several rp-drive MC1413 and several CD4094
Chip, the CD4094 chip outputs connect the rp-drive MC1413 input terminals, the rp-drive MC1413
Output end is connected with coil one end of the dpdt relay JK1-JK27.
Based on above-mentioned, the user load unit is also connected with the 5th and visits one house after another wiring faults analog circuit, and the described 5th visits one house after another
It is set in wiring faults analog circuit and the one-to-one malfunction indicator lamp of user.
The utility model has substantive features and progress compared with the prior art, specifically：
1）The utility model provides a kind of low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator, uses
In the fault simulation of Intelligent power-utilization information system, it include in set the main website of Mishap Database, and pass through Ethernet and main website
Connected fault simulation cabinet；It is provided with several artificial intelligence electric energy meters in the fault simulation cabinet, user load unit, leads to
Believe fault simulation module, epitope fault simulation module and fault simulation module of visiting one house after another；The main website passes through Ethernet interface/serial ports
Converter is respectively to the communication failure analog module, the epitope fault simulation module and the fault simulation module hair of visiting one house after another
Send the instruction for generating preset failure；The communication failure analog module is used for analogue communication phenomenon of the failure；The epitope event
Hinder analog module, is used for mimic epitope phenomenon of the failure；The fault simulation module of visiting one house after another is visited one house after another phenomenon of the failure with for simulating；
The business skills training for meeting network operation personnel improves its business skill, and then improves work efficiency；
2）The utility model is simulated and is sent out between concentrator and artificial intelligence electric energy meter by the communication failure analog module
Raw RS485 communication failures, including 485 communication A open circuits, 485 communication B open circuits and 485 communication A/B reversal connections, which being capable of mould
RS485 communication failures in the operating condition of quasi- field device, start-up can carry out communication failure investigation by the present apparatus
Training, solve live true power information acquisition system since work and safety condition are limited, cannot be to technology
Personnel improve communication failure training efficiency, help to improve technology people to carrying out the problem of online training in terms of communication failure
The practical investigation ability of communication failure of member；
3）The utility model passes through the epitope fault simulation module, simulation three-phase voltage current source and artificial intelligence electric energy
The epitope failure occurred between table, such as short circuit current, electric current reversed polarity, voltage misphase sequence, electric current misphase sequence failure, trainer
Member can carry out the training of epitope malfunction elimination by the present apparatus, solve live true power information acquisition system by
The problem of being limited in work and safety condition, cannot carrying out online training to epitope failure aspect to technical staff, improves table
Position failure training efficiency, helps to improve the practical investigation ability of epitope failure of technical staff；
4）The utility model is occurred by the fault simulation module of visiting one house after another between analog subscriber and artificial intelligence electric energy meter
Failure of visiting one house after another, start-up can be carried out visiting one house after another the training of malfunction elimination by the present apparatus, be solved live true
Power information acquisition system cannot train failure aspect of visiting one house after another online technical staff since work and safety condition are limited
The problem of instruction, improves training efficiency；
In conclusion the utility model has the advantages that design science, highly practical, simple in structure low with production cost.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the structural schematic diagram of the communication failure execution unit of the utility model.
Fig. 3 is the communication failure analog module main working process figure of the utility model.
Fig. 4 is the structural schematic diagram of the epitope failure execution unit of the utility model.
Fig. 5 is the voltage misconnection fault simulation circuit of the utility model.
Fig. 6 is the electric current misconnection fault simulation circuit of the utility model.
Fig. 7 is the structural schematic diagram of the fault simulation module of visiting one house after another of the utility model.
Fig. 8 is the structural schematic diagram of the three-phase four-wire power circuit of the utility model.
Fig. 9 is the schematic diagram of the wiring faults execution circuit of visiting one house after another of the utility model.
Figure 10 is the schematic diagram of the wiring faults control circuit of visiting one house after another of the utility model.
Specific implementation mode
Below by specific implementation mode, the technical solution of the utility model is described in further detail.
Embodiment 1
As shown in Fig. 1, a kind of low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator, for intelligence
The fault simulation of power information system, it include in set the main website of Mishap Database, and be connected with main website by Ethernet
Fault simulation cabinet；Several artificial intelligence electric energy meters, user load unit, communication failure are provided in the fault simulation cabinet
Analog module, epitope fault simulation module and fault simulation module of visiting one house after another；The main website passes through Ethernet interface/serial converter
It is used for respectively to the communication failure analog module, the epitope fault simulation module and the fault simulation module transmission of visiting one house after another
Generate the instruction of preset failure；The communication failure analog module is connected between concentrator and the artificial intelligence electric energy meter,
Communication failure instruction for being sent according to the main website, controls the break-make that relay is set in the communication failure analog module
Generate communication failure phenomenon；The epitope fault simulation module, respectively with three-phase voltage current source and the artificial intelligence electric energy
Table is connected, and the meter faulting instruction for being sent according to the main website controls in the epitope fault simulation module and sets relay
Break-make generate epitope phenomenon of the failure；The fault simulation module of visiting one house after another, with the artificial intelligence electric energy meter and the user
Load unit is connected, the faulting instruction of visiting one house after another for being sent according to the main website, wiring faults analogue unit of visiting one house after another described in control
The break-make of relay is inside set to generate phenomenon of the failure of visiting one house after another.
Embodiment 2
The present embodiment and embodiment 1 difference lies in：A kind of specific implementation mode of communication failure analog module is given,
For analogue communication failure.The communication failure analog module includes communication failure control unit and communication failure execution unit；
For the communication failure control unit with main website communication connection, the communication failure for being sent according to the main website instructs control
The corresponding actuating of relay of communication failure execution unit.
As shown in Fig. 2, the communication failure execution unit includes dpdt relay K50-K52, diode D50-
D52, Wiring port P3 and Wiring port P4；The first of the dpdt relay K50 and the dpdt relay K51
Moving contact is all connected with the Wiring port P3, and the first normally closed interlock of the dpdt relay K50 connects the double-pole pair
Throw the first moving contact of relay K52, the first normally closed interlock of the dpdt relay K51 connect the double-pole double throw after
The second moving contact of electric appliance K52；The first normally closed interlock of the dpdt relay K52 and the connection of the second normally open contact are followed by
Enter terminals P4；Terminals are accessed after the first normally open contact of the dpdt relay K52 and the connection of the second normally closed interlock
P4。
In order to ensure the gear automatic adjustment of the dpdt relay, the coil of the dpdt relay K50
The control terminal of control terminal, the control terminal of dpdt relay K51 and dpdt relay K52, respectively with the relay
Control unit is connected.The terminals P4 is also connected with the RS485 communication interfaces of the artificial intelligence electric energy meter.
As shown in Fig. 3, the working process of the utility model is as follows：（1）The main website is to the communication failure analog module
Send the instruction for generating preset failure；（2）The relay control unit, the communication failure sent according to the main website refer to
It enables and generates relay driving instruction,（3）The relay control unit instructs respectively according to the relay driving to described double
The relay gear of dpdt double-pole double-throw (DPDT) relay K50-K52 is adjusted；The dpdt relay K50 actions, simulation 485A are disconnected
Failure；The dpdt relay K51 actions, the disconnected failures of simulation 485B, the dpdt relay K52 actions, simulation
485A/B reversal connection failures.
Embodiment 3
The present embodiment and embodiment 1 difference lies in：A kind of specific implementation mode of epitope fault simulation module is given,
For mimic epitope failure.The epitope fault simulation module includes epitope faulty control unit and epitope failure execution unit；
With main website communication connection, the epitope faulting instruction for being sent according to the main website controls the epitope faulty control unit
The corresponding actuating of relay of epitope failure execution unit.
As shown in Fig. 4, the epitope failure execution unit includes voltage misconnection fault simulation circuit and the event of electric current misconnection
Hinder analog circuit；The voltage misconnection fault simulation circuit includes sequentially connected gear switch circuit, the switching of voltage misphase sequence
Circuit and the disconnected phase switching circuit of voltage；The electric current misconnection fault simulation circuit includes sequentially connected short circuit current switching electricity
Road, electric current reversed polarity switching circuit, current open switching circuit and electric current mistake phase sequence commutation circuit.
As shown in Fig. 5, the gear switch circuit includes single-pole double-throw relay JK18-JK20；The single-pole double throw
Relay JK18 connects the A phase voltage input terminals in 57.7V three-phase voltage currents source as A phase voltage control terminals, normally-closed contact, often
Open the A phase voltage input terminals in contact portion 220V three-phase voltage currents source；The single-pole double-throw relay JK19 is as B phase voltages
Control terminal, normally-closed contact connect the B phase voltage input terminals in 57.7V three-phase voltage currents source, and normally opened contact connects 220V three-phase electricities
The B phase voltage input terminals in current voltage source；The single-pole double-throw relay JK20 is as C phase voltage control terminals, normally-closed contact connection
The C phase voltage input terminals in 57.7V three-phase voltage currents source, the C phase voltages that normally opened contact connects 220V three-phase voltage currents source are defeated
Enter end.When normal use, single-pole double-throw relay JK18-JK20 is acted respectively, makes A, B, C three-phase voltages are in 57.7V and 220V
Gear switch.
The voltage mistake phase sequence commutation circuit is for realizing voltage misphase sequence fault simulation.The voltage misphase sequence switching electricity
Road includes single-pole double-throw relay JK21 and single-pole double-throw relay JK1-JK3；The single-pole double-throw relay JK1, movable contact
The movable contact of the single-pole double-throw relay JK18 is connected, normally opened contact is separately connected the normal of the single-pole double-throw relay JK2
The movable contact of closed contact and the single-pole double-throw relay JK3, normally-closed contact connect the dynamic of the single-pole double-throw relay JK4 and touch
Point；The single-pole double-throw relay JK2, movable contact connect the movable contact of the single-pole double-throw relay JK19；The hilted broadsword is double
Relay JK3 is thrown, normally opened contact connects the movable contact of the single-pole double-throw relay JK6, and it is double that normally-closed contact connects the hilted broadsword
Throw the movable contact of relay JK5；The single-pole double-throw relay JK21, movable contact connect the single-pole double-throw relay JK20's
Movable contact, normally opened contact connect the movable contact of the single-pole double-throw relay JK5, and normally-closed contact connects the single-pole double throw relay
The movable contact of device JK6.When normal use, single-pole double-throw relay JK21 and single-pole double-throw relay JK1-JK3 are acted come respectively
Analog voltage mistake Phase-sequence Fault, actuating of relay mode are as follows：Uabc phase sequences, relay are failure to actuate entirely；Uacb phase sequences, JK3,
JK21 is acted；Ubac phase sequences, JK1, JK2 action；Ubca phase sequences, JK1, JK2, JK3, JK21 action.
The voltage breaks phase switching circuit for realizing the simulation of voltage open phase fault.The voltage break phase switching circuit include
Single-pole double-throw relay JK17 and single-pole double-throw relay JK4-JK6；The single-pole double-throw relay JK4 is disconnected as A phase voltages
Phase control end, normally-closed contact connect the A phase voltage output ends in three-phase voltage current source；The single-pole double-throw relay JK5 is as B
Phase voltage is broken phase control end, and normally-closed contact connects the B phase voltage output ends in three-phase voltage current source；The single-pole double-throw relay
JK6's is used as the disconnected phase control end of C phase voltages, normally-closed contact to connect the C phase voltage output ends in three-phase voltage current source；The hilted broadsword
Double-throw relay JK17, movable contact connect the neutral input end in three-phase voltage current source, the neutral output end of normally-closed contact connection.Just
When being often used, single-pole double-throw relay JK17 and single-pole double-throw relay JK4-JK6 are acted carry out analog voltage open phase fault respectively,
Specifically：A phase voltages are broken phase, single-pole double-throw relay JK4 actions；B phase voltages are broken phase, single-pole double-throw relay JK5 actions；C
Phase voltage is broken phase, single-pole double-throw relay JK6 actions.
As shown in Fig. 6, the short circuit current switching circuit is for realizing short circuit current fault simulation.The short circuit current
Switching circuit includes single-pole single-throw(SPST relay JK8-JK10；The single-pole single-throw(SPST relay JK8 is as A phase current fault controls
End, normally opened contact connect three-phase voltage current source A phase current positive sequences, and movable contact connects three-phase voltage current source A phase current negative phase-sequences；
For the single-pole single-throw(SPST relay JK9 as B phase current fault controls end, normally opened contact connects three-phase voltage current source B phase currents
Positive sequence, movable contact connect three-phase voltage current source B phase current negative phase-sequences；The single-pole single-throw(SPST relay JK10 is short as C phase currents
Road control terminal, normally opened contact connect three-phase voltage current source C phase current positive sequences, and movable contact connects three-phase voltage current source C phases electricity
Flow negative phase-sequence.When normal use, single-pole single-throw(SPST relay JK8-JK10 is acted respectively carrys out analog current short trouble, specifically：A phases
Short circuit current, the JK8 actions of single-pole single-throw(SPST relay；B phase current short circuits, the JK9 actions of single-pole single-throw(SPST relay；C phase current short circuits,
The JK10 actions of single-pole single-throw(SPST relay.
The electric current reversed polarity switching circuit is for realizing electric current reversed polarity fault simulation.The electric current reversed polarity switching electricity
Road includes dpdt relay JK11-JK13；The dpdt relay JK11 as A phase current reversed polarity control terminals,
First movable contact connects the normally opened contact of the single-pole single-throw(SPST relay JK8, and the second movable contact connects the single-pole single-throw(SPST relay
The movable contact of device JK8；The dpdt relay JK12 connects institute as B phase current reversed polarity control terminals, the first movable contact
The normally opened contact of single-pole single-throw(SPST relay JK9 is stated, the second movable contact connects the movable contact of the single-pole single-throw(SPST relay JK9；Institute
Dpdt relay JK13 is stated as C phase current reversed polarity control terminals, the first movable contact connects the single-pole single-throw(SPST relay
The normally opened contact of JK10, the second movable contact connect the movable contact of the single-pole single-throw(SPST relay JK10.When normal use, double-pole is double
It throws relay JK11-JK13 and acts respectively and carry out analog current reversed polarity failure.
The current open switching circuit is for realizing current open fault simulation.The current open switching circuit includes
Double-pole single-throw (D.P.S.T.) relay JK14-JK16；The double-pole single-throw (D.P.S.T.) relay JK14 is dynamic tactile as A phase currents open circuit control terminal, first
Point connects the first normally-closed contact and the second normally opened contact of the dpdt relay JK11, and the connection of the second movable contact is described double
The first normally opened contact and the second normally-closed contact of dpdt double-pole double-throw (DPDT) relay JK11；The double-pole single-throw (D.P.S.T.) relay JK15 is as B phase electricity
Stream open circuit control terminal, the first movable contact connect the dpdt relay JK12 the first normally-closed contact and second it is normally opened touch
Point, the second movable contact connect the first normally opened contact and the second normally-closed contact of the dpdt relay JK12；The double-pole
It singly throws relay JK16 to open a way control terminal as C phase currents, the first movable contact connects the of the dpdt relay JK13
One normally-closed contact and the second normally opened contact, the second movable contact connect the dpdt relay JK13 the first normally opened contact and
Second normally-closed contact.When normal use, the double-pole single-throw (D.P.S.T.) relay JK14-JK16 is acted respectively carrys out analog current open circuit event
Barrier.
The electric current mistake phase sequence commutation circuit is for realizing electric current misphase sequence fault simulation.The electric current misphase sequence switching electricity
Road includes dpdt relay JK22-JK24 and dpdt relay JK7；The dpdt relay JK22, first
Movable contact connects the first normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK14, and the second movable contact connects the double-pole single-throw (D.P.S.T.) relay
The second normally-closed contact of device JK14, the first normally-closed contact connect A phase current positive sequences, and the second normally-closed contact connects A phase current positive sequences；
The dpdt relay JK7, the first movable contact connect the first normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK15, and second
Movable contact connects the second normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK15, and the first normally-closed contact connects B phase current positive sequences, the
Two normally-closed contacts connect B phase current positive sequences；The dpdt relay JK24, the first movable contact connect the double-pole single-throw (D.P.S.T.) after
The first normally-closed contact of electric appliance JK16, the second movable contact connect the second normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK16, the
One normally-closed contact connects C phase current positive sequences, and the second normally-closed contact connects C phase current positive sequences.The dpdt relay JK23,
First movable contact is separately connected the first normally opened contact of the dpdt relay JK7, the dpdt relay JK7
The of second normally opened contact, the first normally-closed contact of the dpdt relay JK24 and the dpdt relay JK24
Two normally-closed contacts, the second movable contact connect the second normally opened contact of the dpdt relay JK7, the double-pole double throw relay
Second normally-closed contact of the first normally-closed contact of device JK24 and the dpdt relay JK24, the first normally-closed contact connect institute
The first normally opened contact and C phase current positive sequences of dpdt relay JK22 are stated, the first normally opened contact connects the double-pole double throw
The first normally-closed contact of relay JK22, the second normally-closed contact connect the second normally opened contact of the dpdt relay JK22
With C phase current negative phase-sequences, the second normally opened contact connects the second normally-closed contact of the dpdt relay JK22.Normal use
When, the dpdt relay JK22-JK24 and dpdt relay JK7 are acted carry out the event of analog current misphase sequence respectively
Barrier, actuating of relay mode are as follows：Iabc phase sequences, relay are failure to actuate entirely；Iacb phase sequences, JK24, JK7 action；Icba phase sequences,
JK22, JK23 are acted；Ibca phase sequences, JK22, JK23, JK24, JK7 action.
Embodiment 4
The present embodiment and embodiment 1 difference lies in：A kind of specific implementation mode for fault simulation module of visiting one house after another is given,
For simulating failure of visiting one house after another.As shown in attached drawing 7 and attached drawing 8, the fault simulation module of visiting one house after another include three-phase four-wire power circuit,
Electrical energy measurement unit and fault simulation unit of visiting one house after another；The three-phase four-wire power circuit, respectively with the electrical energy measurement unit phase
Even, the power supply for providing fault simulation of visiting one house after another, the three-phase four-wire power circuit includes sequentially connected three-phase and four-line voltage
Source, breaker, isolating transformer, A.C. contactor, power-supply filter and current leakage detection protection device, the current leakage detection protection device
Output end be divided into U, V, W three-phase after, connect three groups of artificial intelligence electric energy meters of the electrical energy measurement unit；The electrical energy measurement list
Member connects the user load unit, the electricity for measuring the user load unit by the fault simulation unit of visiting one house after another
Can, the electrical energy measurement unit includes three groups of artificial intelligence electric energy meters, and artificial intelligence electric energy meter described in every group includes three emulation
Intelligent electric energy meter, the U phases that first group of artificial intelligence electric energy meter connects the current leakage detection protection device export, second group of artificial intelligence
The V phases that electric energy meter connects the current leakage detection protection device export；Third group artificial intelligence electric energy meter connects the detection of electrical leakage and protects
The W phases of shield device export；The fault simulation unit of visiting one house after another, the faulting instruction of visiting one house after another for being sent according to the main website control institute
It states and sets the break-make of relay in fault simulation unit of visiting one house after another to generate phenomenon of the failure of visiting one house after another, the fault simulation unit of visiting one house after another includes
First visit one house after another wiring faults analog circuit, second visit one house after another wiring faults analog circuit, third visit one house after another wiring faults analog circuit and
4th visits one house after another wiring faults analog circuit, and the electrical energy measurement unit is distinguished by the described first wiring faults analog circuit of visiting one house after another
The described second wiring faults analog circuit, the third wiring faults analog circuit and the described 4th of visiting one house after another of visiting one house after another is connected to visit one house after another and connect
Line fault simulation circuit.
Embodiment 5
The present embodiment and embodiment 1 difference lies in：Give a kind of specific implementation mode of user load unit.It is described
User load unit is separately connected the described second visit one house after another wiring faults analog circuit, third and visits one house after another wiring faults analog circuit
It visits one house after another wiring faults analog circuit with the described 4th；The user load unit includes three load boxs, each load box
It is respectively connected with resistive load user, capacitive load user and inductive load user.Described first visit one house after another wiring faults analog circuit,
Described second visit one house after another wiring faults analog circuit, the third visit one house after another wiring faults analog circuit and the described 4th visit one house after another wiring therefore
The circuit structure for hindering analog circuit is identical, including visit one house after another wiring faults control circuit and wiring faults execution circuit of visiting one house after another, described
Wiring faults control circuit of visiting one house after another is with main website communication connection, the faulting instruction control of visiting one house after another for being sent according to the main website
The corresponding actuating of relay of wiring faults execution circuit of visiting one house after another.As shown in Fig. 9, the wiring faults execution circuit of visiting one house after another
Including dpdt relay JK1-JK27, the coil of each dpdt relay is parallel with diode IN4007.
As shown in Fig. 10, the wiring faults control circuit of visiting one house after another uses several rp-drive MC1413 and several CD4094 cores
Piece, the CD4094 chip outputs connect the rp-drive MC1413 input terminals, and the rp-drive MC1413 is defeated
Outlet is connected with coil one end of the dpdt relay JK1-JK27.
Described first wiring faults analog circuit of visiting one house after another is connected with nine artificial intelligence electric energy meters respectively, is set by interior
Relay switching circuit access the different artificial intelligence electric energy meters；Described first visits one house after another wiring faults analog circuit outlet
Be separately connected described second visit one house after another wiring faults analog circuit, the third visit one house after another wiring faults analog circuit and it is described 4th string
Family wiring faults analog circuit realizes a certain artificial intelligence electric energy meter acquisition by the interior relay switching circuit set and uses
The user of power information selects, and described second the first resistive load that wiring faults analog circuit corresponds in the first load box of visiting one house after another is used
Family, the first capacitive load user and the first inductive load user, the third visit one house after another wiring faults analog circuit correspond to it is second negative
The second resistive load user, the second capacitive load user and the second inductive load user in case are carried, the described 4th visits one house after another wiring
Fault simulation circuit corresponds to third resistive load user, third capacitive load user and third inductive load in third load box
User.
Specifically, it described first visits one house after another in wiring faults analog circuit：The dpdt relay JK1 is by the emulation
Intelligent electric energy meter BJ1, the dpdt relay JK2 are by the artificial intelligence electric energy meter BJ2, the dpdt relay
The artificial intelligence electric energy meter BJ3 is switched to the first air switch by JK3；The dpdt relay JK10 is by the emulation
Intelligent electric energy meter BJ1, the dpdt relay JK11 are by the artificial intelligence electric energy meter BJ2, the double-pole double throw relay
The artificial intelligence electric energy meter BJ3 is switched to the second air switch by device JK12；The dpdt relay JK19 will be described
Artificial intelligence electric energy meter BJ1, the dpdt relay JK20 are by the artificial intelligence electric energy meter BJ2, the double-pole double throw
The artificial intelligence electric energy meter BJ3 is switched to third air switch by relay JK21.
In addition, the dpdt relay JK4 is by the artificial intelligence electric energy meter BJ4, the dpdt relay
The artificial intelligence electric energy meter BJ6 is switched the artificial intelligence electric energy meter BJ5, the dpdt relay JK15 by JK23
To the 4th air switch；The dpdt relay JK13 is by the artificial intelligence electric energy meter BJ4, the double-pole double throw relay
The artificial intelligence electric energy meter BJ6 is cut the artificial intelligence electric energy meter BJ5, the dpdt relay JK24 by device JK5
Shift to the 5th air switch；The dpdt relay JK22 by the artificial intelligence electric energy meter BJ4, the double-pole double throw after
Electric appliance JK14 is by the artificial intelligence electric energy meter BJ5, the dpdt relay JK6 by the artificial intelligence electric energy meter BJ6
Switch to the 6th air switch.
The dpdt relay JK7 will by the artificial intelligence electric energy meter BJ7, the dpdt relay JK26
The artificial intelligence electric energy meter BJ9 is switched to the 7th by the artificial intelligence electric energy meter BJ8, the dpdt relay JK18
Air switch；The dpdt relay JK16 is by the artificial intelligence electric energy meter BJ7, the dpdt relay JK8
The artificial intelligence electric energy meter BJ9 is switched to by the artificial intelligence electric energy meter BJ8, the dpdt relay JK27
Eight air switches；The dpdt relay JK25 is by the artificial intelligence electric energy meter BJ7, the dpdt relay
The artificial intelligence electric energy meter BJ9 is switched the artificial intelligence electric energy meter BJ8, the dpdt relay JK9 by JK17
To the 9th air switch.
The specific implementation mode of the first air switch switching：Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK1 and first air switch is switched into the first resistive load user, the double-pole double throw relay
First air switch is switched to the first capacitive load user by device JK10, and the dpdt relay JK19 is by described
One air switch switches to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
First air switch is switched to the second resistive load user by relay JK1, and the dpdt relay JK10 is by institute
It states the first air switch and switches to the second capacitive load user, the dpdt relay JK19 is by first air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK1 will
First air switch switches to third resistive load user, and the dpdt relay JK10 opens first air
Concern shifts to third capacitive load user, and first air switch is switched to third sense by the dpdt relay JK19
Property load demand.
The specific implementation mode of the second air switch switching：Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK2 and second air switch is switched into the first resistive load user, the double-pole double throw relay
Second air switch is switched to the first capacitive load user by device JK11, and the dpdt relay JK20 is by described
Two air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
Second air switch is switched to the second resistive load user by relay JK2, and the dpdt relay JK11 is by institute
It states the second air switch and switches to the second capacitive load user, the dpdt relay JK20 is by second air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK2 will
Second air switch switches to third resistive load user, and the dpdt relay JK11 opens second air
Concern shifts to third capacitive load user, and second air switch is switched to third sense by the dpdt relay JK20
Property load demand.
The specific implementation mode of the third air switch switching：Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK3 and the third air switch is switched into the first resistive load user, the double-pole double throw relay
The third air switch is switched to the first capacitive load user by device JK12, and the dpdt relay JK21 is by described
Three air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
The third air switch is switched to the second resistive load user by relay JK3, and the dpdt relay JK12 is by institute
It states third air switch and switches to the second capacitive load user, the dpdt relay JK21 is by the third air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK3 will
The third air switch switches to third resistive load user, and the dpdt relay JK12 opens the third air
Concern shifts to third capacitive load user, and the third air switch is switched to third sense by the dpdt relay JK21
Property load demand.
The specific implementation mode of the 4th air switch switching：Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK4 and the 4th air switch is switched into the first resistive load user, the double-pole double throw relay
4th air switch is switched to the first capacitive load user by device JK13, and the dpdt relay JK22 is by described
Four air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
4th air switch is switched to the second resistive load user by relay JK4, and the dpdt relay JK13 is by institute
It states the 4th air switch and switches to the second capacitive load user, the dpdt relay JK22 is by the 4th air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK4 will
4th air switch switches to third resistive load user, and the dpdt relay JK13 opens the 4th air
Concern shifts to third capacitive load user, and the 4th air switch is switched to third sense by the dpdt relay JK22
Property load demand.
The specific implementation mode of the 5th air switch switching:Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK5 and the 5th air switch is switched into the first resistive load user, the double-pole double throw relay
5th air switch is switched to the first capacitive load user by device JK14, and the dpdt relay JK23 is by described
Five air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
5th air switch is switched to the second resistive load user by relay JK5, and the dpdt relay JK14 is by institute
It states the 5th air switch and switches to the second capacitive load user, the dpdt relay JK23 is by the 5th air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK5 will
5th air switch switches to third resistive load user, and the dpdt relay JK14 opens the 5th air
Concern shifts to third capacitive load user, and the 5th air switch is switched to third sense by the dpdt relay JK23
Property load demand.
The specific implementation mode of the 6th air switch switching:Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK6 and the 6th air switch is switched into the first resistive load user, the double-pole double throw relay
6th air switch is switched to the first capacitive load user by device JK15, and the dpdt relay JK24 is by described
Six air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
6th air switch is switched to the second resistive load user by relay JK6, and the dpdt relay JK15 is by institute
It states the 6th air switch and switches to the second capacitive load user, the dpdt relay JK24 is by the 6th air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK6 will
6th air switch switches to third resistive load user, and the dpdt relay JK15 opens the 6th air
Concern shifts to third capacitive load user, and the 6th air switch is switched to third sense by the dpdt relay JK24
Property load demand.
The specific implementation mode of the 7th air switch switching:Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK7 and the 7th air switch is switched into the first resistive load user, the double-pole double throw relay
7th air switch is switched to the first capacitive load user by device JK16, and the dpdt relay JK25 is by described
Seven air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
7th air switch is switched to the second resistive load user by relay JK7, and the dpdt relay JK16 is by institute
It states the 7th air switch and switches to the second capacitive load user, the dpdt relay JK25 is by the 7th air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK7 will
7th air switch switches to third resistive load user, and the dpdt relay JK16 opens the 7th air
Concern shifts to third capacitive load user, and the 7th air switch is switched to third sense by the dpdt relay JK25
Property load demand.
The specific implementation mode of the 8th air switch switching:Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK8 and the 8th air switch is switched into the first resistive load user, the double-pole double throw relay
8th air switch is switched to the first capacitive load user by device JK17, and the dpdt relay JK26 is by described
Eight air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
8th air switch is switched to the second resistive load user by relay JK8, and the dpdt relay JK17 is by institute
It states the 8th air switch and switches to the second capacitive load user, the dpdt relay JK26 is by the 8th air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK8 will
8th air switch switches to third resistive load user, and the dpdt relay JK17 opens the 8th air
Concern shifts to third capacitive load user, and the 8th air switch is switched to third sense by the dpdt relay JK26
Property load demand.
The specific implementation mode of the 9th air switch switching:Described second visits one house after another in wiring faults analog circuit：Institute
It states dpdt relay JK9 and the 9th air switch is switched into the first resistive load user, the double-pole double throw relay
9th air switch is switched to the first capacitive load user by device JK18, and the dpdt relay JK27 is by described
Nine air switches switch to the first inductive load user.The third is visited one house after another in wiring faults analog circuit：The double-pole double throw
9th air switch is switched to the second resistive load user by relay JK9, and the dpdt relay JK18 is by institute
It states the 9th air switch and switches to the second capacitive load user, the dpdt relay JK27 is by the 9th air switch
Switch to the second inductive load user.Described 4th visits one house after another in wiring faults analog circuit：The dpdt relay JK9 will
9th air switch switches to third resistive load user, and the dpdt relay JK18 opens the 9th air
Concern shifts to third capacitive load user, and the 9th air switch is switched to third sense by the dpdt relay JK27
Property load demand.
Under normal circumstances, nine simulation electric energy meters correspond nine user power utilization information of acquisition to electrical energy measurement.This practicality
It is novel after four are visited one house after another the switching of wiring faults analog circuits, each artificial intelligence electric energy meter can acquire all
User power utilization information, such as：First artificial intelligence electric energy meter can acquire nine user power utilization information, to realize failure mould of visiting one house after another
It is quasi-.The utility model meets the business skills training of network operation personnel, improves its business skill, and then improve work
Efficiency.
In order to which further intuitive display is visited one house after another fault simulation phenomenon, the user load unit is also connected with the 5th and visits one house after another wiring
Fault simulation circuit, the described 5th, which visits one house after another, sets and the one-to-one malfunction indicator lamp of user in wiring faults analog circuit.It is described
Second wiring faults analog circuit, the third wiring faults analog circuit and the described 4th of visiting one house after another of visiting one house after another is visited one house after another wiring faults mould
After quasi- circuit determines corresponding user, keeps the indicator light of corresponding user bright by the described 5th wiring faults analog circuit of visiting one house after another, carry
Show real training participant, a certain user has occurred and visits one house after another failure.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (10)
1. a kind of low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator, for Intelligent power-utilization information system
Fault simulation, it is characterised in that：It sets the main website of Mishap Database in including, and the failure being connected with main website by Ethernet
Simulate cabinet；Several artificial intelligence electric energy meters, user load unit, communication failure simulation are provided in the fault simulation cabinet
Module, epitope fault simulation module and fault simulation module of visiting one house after another；
The main website, by Ethernet interface/serial converter respectively to the communication failure analog module, the epitope failure mould
Quasi- module and the fault simulation module of visiting one house after another send the instruction for generating preset failure；
The communication failure analog module is connected between concentrator and the artificial intelligence electric energy meter, for according to the master
It stands the communication failure instruction sent, controls that set the break-make of relay in the communication failure analog module existing to generate communication failure
As；
The epitope fault simulation module is connected with three-phase voltage current source and the artificial intelligence electric energy meter respectively, is used for root
According to the meter faulting instruction that the main website is sent, controls in the epitope fault simulation module and set the break-make of relay to generate table
Position phenomenon of the failure；
The fault simulation module of visiting one house after another, is connected with the artificial intelligence electric energy meter and the user load unit, is used for basis
The faulting instruction of visiting one house after another that the main website is sent sets the break-make of relay to generate in wiring faults analogue unit of visiting one house after another described in control
It visits one house after another phenomenon of the failure.
2. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 1, feature
It is：The communication failure analog module includes communication failure control unit and communication failure execution unit；The communication failure
Control unit and main website communication connection, the communication failure instruction for being sent according to the main website control the communication failure
The corresponding actuating of relay of execution unit.
3. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 2, feature
It is：The communication failure execution unit include dpdt relay K50-K52, diode D50-D52, Wiring port P3 and
Wiring port P4；The first moving contact of the dpdt relay K50 and the dpdt relay K51 are all connected with described
Wiring port P3, the first normally closed interlock of the dpdt relay K50 connect the first of the dpdt relay K52
Moving contact, what the first normally closed interlock of the dpdt relay K51 connected the dpdt relay K52 second dynamic touches
Head；Access terminals P4 after the first normally closed interlock of the dpdt relay K52 and the connection of the second normally open contact；It is described double
Access terminals P4 after the first normally open contact of dpdt double-pole double-throw (DPDT) relay K52 and the connection of the second normally closed interlock.
4. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 1, feature
It is：The epitope fault simulation module includes epitope faulty control unit and epitope failure execution unit；The epitope failure
For control unit with main website communication connection, the epitope faulting instruction for being sent according to the main website controls the epitope failure
The corresponding actuating of relay of execution unit.
5. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 4, feature
It is：The epitope failure execution unit includes voltage misconnection fault simulation circuit and electric current misconnection fault simulation circuit；It is described
Voltage misconnection fault simulation circuit include sequentially connected gear switch circuit, voltage mistake phase sequence commutation circuit and voltage break it is tangent
Change circuit；The electric current misconnection fault simulation circuit includes sequentially connected short circuit current switching circuit, the switching of electric current reversed polarity
Circuit, current open switching circuit and electric current mistake phase sequence commutation circuit.
6. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 1, feature
It is：The fault simulation module of visiting one house after another includes three-phase four-wire power circuit, electrical energy measurement unit and fault simulation unit of visiting one house after another,
The three-phase four-wire power circuit includes sequentially connected three-phase and four-line voltage source, breaker, isolating transformer, ac contactor
Device, power-supply filter and current leakage detection protection device；The electrical energy measurement unit includes three groups of artificial intelligence electric energy meters, described in every group
Artificial intelligence electric energy meter includes three artificial intelligence electric energy meters；The fault simulation unit of visiting one house after another is visited one house after another wiring faults including first
Analog circuit, the second wiring faults analog circuit, third wiring faults analog circuit and the 4th of visiting one house after another of visiting one house after another are visited one house after another wiring faults
Analog circuit, the electrical energy measurement unit are separately connected described second and are visited one house after another by the described first wiring faults analog circuit of visiting one house after another
Wiring faults analog circuit, the third wiring faults analog circuit and the described 4th of visiting one house after another are visited one house after another wiring faults analog circuit.
7. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 6, feature
It is：The user load unit be separately connected described second visit one house after another wiring faults analog circuit, the third visit one house after another wiring therefore
Barrier analog circuit and the described 4th is visited one house after another wiring faults analog circuit；The user load unit includes three load boxs, each
The load box is respectively connected with resistive load user, capacitive load user and inductive load user.
8. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 6, feature
It is：Described first visit one house after another wiring faults analog circuit, the described second visit one house after another wiring faults analog circuit, third is visited one house after another and is connect
Line fault simulation circuit and the described 4th is visited one house after another wiring faults analog circuit, includes visiting one house after another wiring faults control circuit and to visit one house after another
Wiring faults execution circuit, visit one house after another wiring faults control circuit and the main website communication connection, for according to the main website
The corresponding actuating of relay of wiring faults execution circuit of visiting one house after another described in faulting instruction control of visiting one house after another sent；The wiring event of visiting one house after another
It includes dpdt relay JK1-JK27 to hinder execution circuit, and the coil of each dpdt relay is parallel with two poles
Pipe IN4007.
9. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 8, feature
It is：The wiring faults control circuit of visiting one house after another uses several rp-drive MC1413 and several CD4094 chips, described
CD4094 chip outputs connect the rp-drive MC1413 input terminals, the rp-drive MC1413 output ends and institute
The coil one end for stating dpdt relay JK1-JK27 is connected.
10. low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator according to claim 9, feature
It is：The user load unit is also connected with the 5th and visits one house after another wiring faults analog circuit, and the described 5th visits one house after another wiring faults simulation
It is set in circuit and the one-to-one malfunction indicator lamp of user.
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| CN201721636755.6U CN207780127U (en) | 2017-11-30 | 2017-11-30 | Low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator |
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| CN201721636755.6U CN207780127U (en) | 2017-11-30 | 2017-11-30 | Low-voltage distribution transformer platform district Intelligent power-utilization information system resultant fault simulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787832A (en) * | 2019-01-23 | 2019-05-21 | 郑州能创电子科技有限公司 | A kind of across platform area's simulated failure training system of low-voltage power centralized automatic meter-reading |
| CN110310538A (en) * | 2019-06-28 | 2019-10-08 | 广西电网有限责任公司桂林供电局 | A kind of power supply comprehensive training platform |
| CN111276029A (en) * | 2020-03-25 | 2020-06-12 | 广东电网有限责任公司 | Analog simulation system for alternating current system fault |
| CN111415558A (en) * | 2020-05-28 | 2020-07-14 | 广东电网有限责任公司培训与评价中心 | Parallel low-voltage three-phase four-wire electric energy metering simulation wiring training cabinet |
| CN116913155A (en) * | 2023-09-11 | 2023-10-20 | 成都运达科技股份有限公司 | Line fault simulation device |
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2017
- 2017-11-30 CN CN201721636755.6U patent/CN207780127U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787832A (en) * | 2019-01-23 | 2019-05-21 | 郑州能创电子科技有限公司 | A kind of across platform area's simulated failure training system of low-voltage power centralized automatic meter-reading |
| CN110310538A (en) * | 2019-06-28 | 2019-10-08 | 广西电网有限责任公司桂林供电局 | A kind of power supply comprehensive training platform |
| CN111276029A (en) * | 2020-03-25 | 2020-06-12 | 广东电网有限责任公司 | Analog simulation system for alternating current system fault |
| CN111415558A (en) * | 2020-05-28 | 2020-07-14 | 广东电网有限责任公司培训与评价中心 | Parallel low-voltage three-phase four-wire electric energy metering simulation wiring training cabinet |
| CN111415558B (en) * | 2020-05-28 | 2022-03-29 | 广东电网有限责任公司培训与评价中心 | Parallel low-voltage three-phase four-wire electric energy metering simulation wiring training cabinet |
| CN116913155A (en) * | 2023-09-11 | 2023-10-20 | 成都运达科技股份有限公司 | Line fault simulation device |
| CN116913155B (en) * | 2023-09-11 | 2023-12-08 | 成都运达科技股份有限公司 | Line fault simulation device |
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