CN207457390U - The epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system - Google Patents
The epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system Download PDFInfo
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- CN207457390U CN207457390U CN201721638150.0U CN201721638150U CN207457390U CN 207457390 U CN207457390 U CN 207457390U CN 201721638150 U CN201721638150 U CN 201721638150U CN 207457390 U CN207457390 U CN 207457390U
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Abstract
The utility model provides a kind of epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system, for simulating the epitope failure of low-voltage distribution transformer platform district Intelligent power-utilization information system, it includes the interior fault simulation cabinet for setting the main website of Mishap Database and being connected by Ethernet with main website；Several artificial intelligence electric energy meters and epitope fault simulation unit are provided in the fault simulation cabinet；The main website sends by Ethernet interface/serial converter to the epitope fault simulation unit to generate the instruction of preset failure；The epitope fault simulation unit is connected respectively with three-phase voltage current source and the artificial intelligence electric energy meter, for the epitope faulting instruction sent according to the main website, controls and the break-make of relay is set in the epitope fault simulation unit to generate epitope phenomenon of the failure.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
The epitope failure simulation device of energy power information system.
Background technology
Power information acquisition system is the important component of intelligent grid construction.At present, 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
The problem of many, irregular additionally, due to the level of skill of installation personnel, intelligent metering case exists and connects after installation is complete
The failures such as voltage misconnection or electric current misconnection caused by line mistake cause unnecessary trouble, simultaneously to user and system operation
All kinds of failures that scene occurs in operation maintenance personnel do not reach sometimes, recognize running environment inadequate, live O＆M debugging
The level of skill of personnel has much room for improvement.
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 real power information acquisition system is limited by work and safety condition, it is impossible to which technical staff is trained online
Instruction.
In order to solve the problems, such as present on, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, so as to provide a kind of design science, highly practical, knot
The epitope failure simulation device for the low-voltage distribution transformer platform district Intelligent power-utilization information system that structure is simple and production cost is low.
To achieve these goals, technical solution is used by the utility model：A kind of low-voltage distribution transformer platform district is intelligently used
The epitope failure simulation device of power information system, for simulating the epitope failure of low-voltage distribution transformer platform district Intelligent power-utilization information system,
It includes the interior fault simulation cabinet for setting the main website of Mishap Database and being connected by Ethernet with main website；The failure mould
Intend being provided with several artificial intelligence electric energy meters and epitope fault simulation unit in cabinet；
The main website, it is pre- for generating to epitope fault simulation unit transmission by Ethernet interface/serial converter
If the instruction of failure；
The epitope fault simulation unit is connected respectively with three-phase voltage current source and the artificial intelligence electric energy meter, uses
In the epitope faulting instruction sent according to the main website, the break-make next life that relay is set in the epitope fault simulation unit is controlled
Into epitope phenomenon of the failure；
The epitope fault simulation unit includes epitope faulty control unit and epitope failure execution unit；The epitope event
For barrier control unit with main website communication connection, the epitope faulting instruction for being sent according to the main website controls the epitope event
Hinder the corresponding actuating of relay of execution unit；
The epitope failure execution unit includes voltage misconnection fault simulation circuit and electric current misconnection fault simulation 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, electric current reversed polarity switches
Circuit, current open switching circuit and electric current mistake phase sequence commutation circuit.
Based on above-mentioned, the gear switch circuit includes single-pole double-throw relay JK18-JK20；
The single-pole double-throw relay JK18 is as A phase voltage control terminals, normally-closed contact connection 57.7V three-phase voltage currents
The A phase voltages end in source, the A phase voltages end in normally opened contact connection 220V three-phase voltage currents source；The single-pole double-throw relay
JK19 is as B phase voltage control terminals, the B phase voltages end in normally-closed contact connection 57.7V three-phase voltage currents source, normally opened contact connection
The B phase voltages end in 220V three-phase voltage currents source；The single-pole double-throw relay JK20 is normally closed to touch as C phase voltage control terminals
The C phase voltages end in point connection 57.7V three-phase voltage currents source, the C phase voltages in normally opened contact connection 220V three-phase voltage currents source
End.
Based on above-mentioned, the voltage mistake phase sequence commutation circuit includes single-pole double-throw relay JK21 and single-pole double-throw relay
JK1-JK3；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 JK1, movable contact connects the movable contact of the single-pole double-throw relay JK18, normally opened to touch
Point connects the normally-closed contact of the single-pole double-throw relay JK2 and the movable contact of the single-pole double-throw relay JK3 respectively, normally closed
The movable contact of single-pole double-throw relay JK4 described in contact portion；The single-pole double-throw relay JK2, movable contact connect the list
The movable contact of dpdt double-pole double-throw (DPDT) relay JK19；The single-pole double-throw relay JK3, normally opened contact connect the single-pole double-throw relay
The movable contact of JK6, normally-closed contact connect the movable contact of the single-pole double-throw relay JK5；The single-pole double-throw relay JK21,
Movable contact connects the movable contact of the single-pole double-throw relay JK20, and normally opened contact connects the single-pole double-throw relay JK5's
Movable contact, normally-closed contact connect the movable contact of the single-pole double-throw relay JK6；
The single-pole double-throw relay JK4 breaks phase control end as A phase voltages, normally-closed contact connection three-phase voltage current source
A phase voltage output terminals；The single-pole double-throw relay JK5 breaks phase control end as B phase voltages, normally-closed contact connection three-phase electricity
The B phase voltage output terminals in current voltage source；The single-pole double-throw relay JK6's breaks phase control end as C phase voltages, normally-closed contact
Connect the C phase voltage output terminals in three-phase voltage current source；The single-pole double-throw relay JK17, movable contact connection three-phase electricity piezoelectricity
The neutral input end in stream source, the neutral output terminal of normally-closed contact connection.
Based on above-mentioned, the short circuit current switching circuit includes single-pole single-throw(SPST relay JK8-JK10；The electric current antipole
Property switching circuit include dpdt relay JK11-JK13；
The single-pole single-throw(SPST relay JK8 is as A phase current fault controls end, normally opened contact connection three-phase voltage current source
A phase current positive sequences, movable contact connection three-phase voltage current source A phase current negative phase-sequences；The single-pole single-throw(SPST relay JK9 is as B phases
Short circuit current control terminal, normally opened contact connection three-phase voltage current source B phase current positive sequences, movable contact connection three-phase voltage current source
B phase current negative phase-sequences；The single-pole single-throw(SPST relay JK10 is as C phase current fault controls end, normally opened contact connection three-phase voltage
Current source C phase current positive sequences, movable contact connection three-phase voltage current source C phase current negative phase-sequences；
The dpdt relay JK11 connects the hilted broadsword as A phase current reversed polarity control terminals, the first movable contact
The normally opened contact of relay JK8 is singly thrown, the second movable contact connects the movable contact of the single-pole single-throw(SPST relay JK8；The double-pole
Double-throw relay JK12 connects the normal of the single-pole single-throw(SPST relay JK9 as B phase current reversed polarity control terminals, the first movable contact
Contact is opened, the second movable contact connects the movable contact of the single-pole single-throw(SPST relay JK9；The dpdt relay JK13 conducts
C phase current reversed polarity control terminals, the first movable contact connect the normally opened contact of the single-pole single-throw(SPST relay JK10, the second movable contact
Connect the movable contact of the single-pole single-throw(SPST relay JK10.
Based on above-mentioned, the current open switching circuit includes double-pole single-throw (D.P.S.T.) relay JK14-JK16；
For the double-pole single-throw (D.P.S.T.) relay JK14 as A phase currents open circuit control terminal, it is double that the first movable contact connects the double-pole
The first normally-closed contact and the second normally opened contact of relay JK11 is thrown, the second movable contact connects the dpdt relay JK11
The first normally opened contact and the second normally-closed contact；The double-pole single-throw (D.P.S.T.) relay JK15 as B phase currents open a way control terminal, first
Movable contact connects the first normally-closed contact and the second normally opened contact of the dpdt relay JK12, the second movable contact connection institute
State the first normally opened contact and the second normally-closed contact of dpdt relay JK12；The double-pole single-throw (D.P.S.T.) relay JK16 is as C
Phase current is opened a way control terminal, and the first movable contact connects the first normally-closed contact of the dpdt relay JK13 and second normally opened
Contact, the second movable contact connect the first normally opened contact and the second normally-closed contact of the dpdt relay JK13.
Based on above-mentioned, the electric current mistake phase sequence commutation circuit includes dpdt relay JK22-JK24 and double-pole double throw
Relay JK7；
The dpdt relay JK22, the first of the first movable contact connection double-pole single-throw (D.P.S.T.) relay JK14 are normally closed
Contact, the second movable contact connect the second normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK14, the first normally-closed contact connection A phase electricity
Flow positive sequence, the second normally-closed contact connection A phase current positive sequences；The dpdt relay JK7, the connection of the first movable contact are described double
The first normally-closed contact of single-pole single-throw relay JK15, the second of the second movable contact connection double-pole single-throw (D.P.S.T.) relay JK15 are normally closed
Contact, the first normally-closed contact connection B phase current positive sequences, the second normally-closed contact connection B phase current positive sequences；The double-pole double throw relay
Device JK24, the first movable contact connect the first normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK16, described in the connection of the second movable contact
The second normally-closed contact of double-pole single-throw (D.P.S.T.) relay JK16, the first normally-closed contact connection C phase current positive sequences, the connection of the second normally-closed contact
C phase current positive sequences.
The utility model has substantive distinguishing features and progress compared with the prior art, specifically：
1）The utility model provides a kind of epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system,
For simulating the epitope failure of low-voltage distribution transformer platform district Intelligent power-utilization information system, it includes the interior main website for setting Mishap Database, with
And the fault simulation cabinet being connected by Ethernet with main website；Several artificial intelligence electric energy are provided in the fault simulation cabinet
Table and epitope fault simulation unit；The utility model realizes the simulation of the typical metering fault phenomenon of electric energy meter field appearance,
Such as short circuit current, electric current reversed polarity, voltage misphase sequence, electric current misphase sequence failure；
2）The utility model passes through the epitope fault simulation unit simulation three-phase voltage current source and artificial intelligence electric energy
The epitope failure occurred between table, start-up can be carried out the training of epitope malfunction elimination by the present apparatus, solved
Live real power information acquisition system is limited by work and safety condition, it is impossible to technical staff in terms of epitope failure
The problem of carrying out online training, 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 structure diagram of the epitope failure execution unit of the utility model.
Fig. 3 is the voltage misconnection fault simulation circuit of the utility model.
Fig. 4 is the electric current misconnection fault simulation circuit of the utility model.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system, for mould
Intend the epitope failure of low-voltage distribution transformer platform district Intelligent power-utilization information system, it sets the main website of Mishap Database and pass through including interior
The fault simulation cabinet that Ethernet is connected with main website；Several artificial intelligence electric energy meters and table are provided in the fault simulation cabinet
Position fault simulation unit；The main website is used for by Ethernet interface/serial converter to epitope fault simulation unit transmission
Generate the instruction of preset failure；The epitope fault simulation unit, it is electric with three-phase voltage current source and the artificial intelligence respectively
Energy table is connected, and for the epitope faulting instruction sent according to the main website, controls in the epitope fault simulation unit and sets relay
The break-make of device generates epitope phenomenon of the failure.
As shown in Figure 2, the epitope fault simulation unit includes epitope faulty control unit and epitope failure performs list
Member；The epitope faulty control unit and main website communication connection, for the epitope faulting instruction sent according to the main website
Control the corresponding actuating of relay of epitope failure execution unit.The epitope failure execution unit includes voltage misconnection failure
Analog circuit and electric current misconnection fault simulation circuit；The voltage misconnection fault simulation circuit includes sequentially connected gear switch
Circuit, voltage mistake phase sequence commutation circuit and voltage break phase switching circuit；The electric current misconnection fault simulation circuit includes connecting successively
Short circuit current switching circuit, electric current reversed polarity switching circuit, current open switching circuit and the electric current mistake phase sequence commutation circuit connect.
As shown in Figure 3, the utility model gives a kind of specific embodiment of gear switch circuit, and the gear is cut
Changing circuit includes single-pole double-throw relay JK18-JK20；The single-pole double-throw relay JK18 is as A phase voltage control terminals, often
The A phase voltages end in closed contact connection 57.7V three-phase voltage currents source, the A phases in normally opened contact connection 220V three-phase voltage currents source
Voltage end；The single-pole double-throw relay JK19 is as B phase voltage control terminals, normally-closed contact connection 57.7V three-phase voltage currents
The B phase voltages end in source, the B phase voltages end in normally opened contact connection 220V three-phase voltage currents source；The single-pole double-throw relay
JK20 is as C phase voltage control terminals, the C phase voltages end in normally-closed contact connection 57.7V three-phase voltage currents source, normally opened contact connection
The C phase voltages end in 220V three-phase voltage currents source.During normal use, single-pole double-throw relay JK18-JK20 is acted respectively, makes A,
B, C three-phase voltage are in 57.7V and 220V gear switches.
The utility model gives a kind of specific embodiment of voltage mistake phase sequence commutation circuit, is used to implement voltage misphase
Sequence fault simulation.The voltage mistake phase sequence commutation circuit includes single-pole double-throw relay JK21 and single-pole double-throw relay JK1-
JK3；The single-pole double-throw relay JK1, movable contact connect the movable contact of the single-pole double-throw relay JK18, normally opened contact point
The normally-closed contact of the single-pole double-throw relay JK2 and the movable contact of the single-pole double-throw relay JK3, normally-closed contact are not connected
Connect the movable contact of the single-pole double-throw relay JK4；The single-pole double-throw relay JK2, it is double that movable contact connects the hilted broadsword
Throw the movable contact of relay JK19；The single-pole double-throw relay JK3, normally opened contact connect the single-pole double-throw relay JK6
Movable contact, normally-closed contact connects the movable contact of the single-pole double-throw relay JK5；The single-pole double-throw relay JK21 is moved
The movable contact of single-pole double-throw relay JK20 described in contact portion, normally opened contact connect the dynamic of the single-pole double-throw relay JK5
Contact, normally-closed contact connect the movable contact of the single-pole double-throw relay JK6.During normal use, single-pole double-throw relay JK21
It is acted respectively with single-pole double-throw relay JK1-JK3 and carrys out analog voltage mistake Phase-sequence Fault, actuating of relay mode is as follows： Uabc
Phase sequence, relay are failure to actuate entirely；Uacb phase sequences, JK3, JK21 action；Ubac phase sequences, JK1, JK2 action；Ubca phase sequences, JK1,
JK2, JK3, JK21 are acted.
The utility model gives a kind of voltage and breaks the specific embodiment of phase switching circuit, is used to implement electric sampling open-phase
Fault simulation.The voltage break phase switching circuit include single-pole double-throw relay JK17 and single-pole double-throw relay JK4-JK6；Institute
It states single-pole double-throw relay JK4 as A phase voltages to break phase control end, the A phase voltages in normally-closed contact connection three-phase voltage current source
Output terminal；The single-pole double-throw relay JK5 breaks phase control end as B phase voltages, normally-closed contact connection three-phase voltage current source
B phase voltage output terminals；The single-pole double-throw relay JK6's breaks phase control end as C phase voltages, normally-closed contact connection three-phase
The C phase voltage output terminals in voltage and current source；The single-pole double-throw relay JK17, movable contact are connected in three-phase voltage current source
Property input terminal, the neutral output terminal of normally-closed contact connection.During normal use, single-pole double-throw relay JK17 and single-pole double-throw relay
JK4-JK6 is acted respectively carrys out analog voltage open phase fault, specifically：A phase voltages are broken phase, single-pole double-throw relay JK4 actions；B
Phase voltage is broken phase, single-pole double-throw relay JK5 actions；C phase voltages are broken phase, single-pole double-throw relay JK6 actions.
As shown in Figure 4, the utility model gives a kind of specific embodiment of short circuit current switching circuit, is used for
Realize short circuit current fault simulation.The short circuit current switching circuit includes single-pole single-throw(SPST relay JK8-JK10；The hilted broadsword
Relay JK8 is singly thrown as A phase current fault controls end, normally opened contact connection three-phase voltage current source A phase current positive sequences are moved and touched
Point connection three-phase voltage current source A phase current negative phase-sequences；The single-pole single-throw(SPST relay JK9 is as B phase current fault controls end, often
Open contact portion three-phase voltage current source B phase current positive sequences, movable contact connection three-phase voltage current source B phase current negative phase-sequences；It is described
Single-pole single-throw(SPST relay JK10 is as C phase current fault controls end, and normally opened contact connection three-phase voltage current source C phase currents are just
Sequence, movable contact connection three-phase voltage current source C phase current negative phase-sequences.During normal use, single-pole single-throw(SPST relay JK8-JK10 difference
Action carrys out analog current short trouble, specifically：The short circuit of A phase currents, single-pole single-throw(SPST relay JK8 actions；The short circuit of B phase currents,
Single-pole single-throw(SPST relay JK9 is acted；The short circuit of C phase currents, single-pole single-throw(SPST relay JK10 actions.
The utility model gives a kind of specific embodiment of electric current reversed polarity switching circuit, and it is anti-to be used to implement electric current
Polarity fault simulation.The electric current reversed polarity switching circuit includes dpdt relay JK11-JK13；The double-pole double throw after
As A phase current reversed polarity control terminals, the first movable contact connects the normally opened of the single-pole single-throw(SPST relay JK8 and touches electric appliance JK11
Point, the second movable contact connect the movable contact of the single-pole single-throw(SPST relay JK8；The dpdt relay JK12 is as B phases
Electric current reversed polarity control terminal, the first movable contact connect the normally opened contact of the single-pole single-throw(SPST relay JK9, the connection of the second movable contact
The movable contact of the single-pole single-throw(SPST relay JK9；The dpdt relay JK13 as C phase current reversed polarity control terminals,
First movable contact connects the normally opened contact of the single-pole single-throw(SPST relay JK10, and the second movable contact connects the single-pole single-throw(SPST relay
The movable contact of device JK10.During normal use, dpdt relay JK11-JK13 is acted respectively carrys out the event of analog current reversed polarity
Barrier.
The utility model gives a kind of specific embodiment of current open switching circuit, is used to implement 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 connects the first normally-closed contact of the dpdt relay JK11 as A phase currents open circuit control terminal, the first movable contact
With the second normally opened contact, the second movable contact connects the first normally opened contact of the dpdt relay JK11 and second and normally closed touches
Point；The double-pole single-throw (D.P.S.T.) relay JK15 connects the double-pole double throw relay as B phase currents open circuit control terminal, the first movable contact
The first normally-closed contact and the second normally opened contact of device JK12, the second movable contact connect the first of the dpdt relay JK12
Normally opened contact and the second normally-closed contact；The double-pole single-throw (D.P.S.T.) relay JK16 is as C phase currents open circuit control terminal, the first movable contact
The first normally-closed contact and the second normally opened contact of the dpdt relay JK13 is connected, the second movable contact connects the double-pole
The first normally opened contact and the second normally-closed contact of double-throw relay JK13.During normal use, the double-pole single-throw (D.P.S.T.) relay JK14-
JK16 is acted respectively carrys out analog current open fault.
The utility model gives a kind of specific embodiment of electric current mistake phase sequence commutation circuit, is used to implement electric current mistake
Phase-sequence Fault is simulated.The electric current mistake phase sequence commutation circuit includes dpdt relay JK22-JK24 and double-pole double throw relay
Device JK7；The first of the dpdt relay JK22, the first movable contact connection double-pole single-throw (D.P.S.T.) relay JK14 is normally closed tactile
Point, the second movable contact connect the second normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK14, the first normally-closed contact connection A phase currents
Positive sequence, the second normally-closed contact connection A phase current positive sequences；The dpdt relay JK7, the first movable contact connect the double-pole
The first normally-closed contact of relay JK15 is singly thrown, the second of the second movable contact connection double-pole single-throw (D.P.S.T.) relay JK15 is normally closed tactile
Point, the first normally-closed contact connection B phase current positive sequences, the second normally-closed contact connection B phase current positive sequences；The dpdt relay
JK24, the first movable contact connect the first normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK16, and the connection of the second movable contact is described double
The second normally-closed contact of single-pole single-throw relay JK16, the first normally-closed contact connection C phase current positive sequences, the second normally-closed contact connection C
Phase current positive sequence.The dpdt relay JK23, the first movable contact connect the of the dpdt relay JK7 respectively
One normally opened contact, the second normally opened contact of the dpdt relay JK7, the dpdt relay JK24 first often
Second normally-closed contact of closed contact and the dpdt relay JK24, the second movable contact connect the dpdt relay
The second normally opened contact of JK7, the first normally-closed contact of the dpdt relay JK24 and the dpdt relay
The second normally-closed contact of JK24, the first normally-closed contact connect the first normally opened contact and C phases of the dpdt relay JK22
Electric current positive sequence, the first normally opened contact connect the first normally-closed contact of the dpdt relay JK22, and the second normally-closed contact connects
The second normally opened contact of the dpdt relay JK22 and C phase current negative phase-sequences are connect, the second normally opened contact connects the double-pole
The second normally-closed contact of double-throw relay JK22.During normal use, the dpdt relay JK22-JK24 and double-pole double throw
Relay JK7 is acted respectively carrys out analog current mistake Phase-sequence Fault, and actuating of relay mode is as follows：Iabc phase sequences, relay is entirely not
Action；Iacb phase sequences, JK24, JK7 action；Icba phase sequences, JK22, JK23 action；Ibca phase sequences, JK22, JK23, JK24, JK7
Action.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than it is limited
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
Among scope.
Claims (6)
1. a kind of epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system, for simulating low-voltage distribution transformer platform district
The epitope failure of Intelligent power-utilization information system, it is characterised in that：It sets the main website of Mishap Database and passes through ether in including
The fault simulation cabinet that net is connected with main website；Several artificial intelligence electric energy meters and epitope event are provided in the fault simulation cabinet
Hinder analogue unit；
The main website sends to generate and presets event by Ethernet interface/serial converter to the epitope fault simulation unit
The instruction of barrier；
The epitope fault simulation unit is connected respectively with three-phase voltage current source and the artificial intelligence electric energy meter, for root
According to the epitope faulting instruction that the main website is sent, control in the epitope fault simulation unit and set the break-make of relay to generate table
Position phenomenon of the failure；
The epitope fault simulation unit includes epitope faulty control unit and epitope failure execution unit；The epitope failure control
For unit processed with main website communication connection, the epitope faulting instruction for being sent according to the main website controls the epitope failure to hold
The corresponding actuating of relay of row unit；
The epitope failure execution unit includes voltage misconnection fault simulation circuit and electric current misconnection fault simulation circuit；
The voltage misconnection fault simulation circuit includes sequentially connected gear switch circuit, voltage mistake phase sequence commutation circuit and electricity
Sampling open-phase switching circuit；
The electric current misconnection fault simulation circuit includes sequentially connected short circuit current switching circuit, electric current reversed polarity switching electricity
Road, current open switching circuit and electric current mistake phase sequence commutation circuit.
2. the epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system according to claim 1, special
Sign is：The gear switch circuit includes single-pole double-throw relay JK18-JK20；
The single-pole double-throw relay JK18 connects 57.7V three-phase voltage currents source as A phase voltage control terminals, normally-closed contact
A phase voltages end, the A phase voltages end in normally opened contact connection 220V three-phase voltage currents source；The single-pole double-throw relay JK19 makees
For B phase voltage control terminals, the B phase voltages end in normally-closed contact connection 57.7V three-phase voltage currents source, normally opened contact connection 220V tri-
The B phase voltages end of phase voltage current source；The single-pole double-throw relay JK20 is as C phase voltage control terminals, normally-closed contact connection
The C phase voltages end in 57.7V three-phase voltage currents source, the C phase voltages end in normally opened contact connection 220V three-phase voltage currents source.
3. the epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system according to claim 2, special
Sign is：The voltage mistake phase sequence commutation circuit includes single-pole double-throw relay JK21 and single-pole double-throw relay JK1-JK3；Institute
State 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 JK1, movable contact connect the movable contact of the single-pole double-throw relay JK18, normally opened contact point
The normally-closed contact of the single-pole double-throw relay JK2 and the movable contact of the single-pole double-throw relay JK3, normally-closed contact are not connected
Connect the movable contact of the single-pole double-throw relay JK4；The single-pole double-throw relay JK2, it is double that movable contact connects the hilted broadsword
Throw the movable contact of relay JK19；The single-pole double-throw relay JK3, normally opened contact connect the single-pole double-throw relay JK6
Movable contact, normally-closed contact connects the movable contact of the single-pole double-throw relay JK5；The single-pole double-throw relay JK21 is moved
The movable contact of single-pole double-throw relay JK20 described in contact portion, normally opened contact connect the dynamic of the single-pole double-throw relay JK5
Contact, normally-closed contact connect the movable contact of the single-pole double-throw relay JK6；
The single-pole double-throw relay JK4 breaks phase control end as A phase voltages, the A in normally-closed contact connection three-phase voltage current source
Phase voltage output terminal；The single-pole double-throw relay JK5 breaks phase control end as B phase voltages, normally-closed contact connection three-phase voltage
The B phase voltage output terminals of current source；The single-pole double-throw relay JK6's breaks phase control end as C phase voltages, and normally-closed contact connects
Connect the C phase voltage output terminals in three-phase voltage current source；The single-pole double-throw relay JK17, movable contact connection three-phase voltage current
The neutral input end in source, the neutral output terminal of normally-closed contact connection.
4. it is filled according to the epitope fault simulation of claim 1-3 any one of them low-voltage distribution transformer platform district Intelligent power-utilization information systems
It puts, it is characterised in that：The short circuit current switching circuit includes single-pole single-throw(SPST relay JK8-JK10；The electric current reversed polarity is cut
Changing circuit includes dpdt relay JK11-JK13；
The single-pole single-throw(SPST relay JK8 is as A phase current fault controls end, normally opened contact connection three-phase voltage current source A phases
Electric current positive sequence, movable contact connection three-phase voltage current source A phase current negative phase-sequences；The single-pole single-throw(SPST relay JK9 is as B phase currents
Fault control end, normally opened contact connection three-phase voltage current source B phase current positive sequences, movable contact connection three-phase voltage current source B phases
Electric current negative phase-sequence；The single-pole single-throw(SPST relay JK10 is as C phase current fault controls end, normally opened contact connection three-phase voltage current
Source C phase current positive sequences, movable contact connection three-phase voltage current source C phase current negative phase-sequences；
The dpdt relay JK11 connects the single-pole single-throw(SPST as A phase current reversed polarity control terminals, the first movable contact
The normally opened contact of relay JK8, the second movable contact connect the movable contact of the single-pole single-throw(SPST relay JK8；The double-pole double throw
As B phase current reversed polarity control terminals, the first movable contact connects the normally opened of the single-pole single-throw(SPST relay JK9 and touches relay JK12
Point, the second movable contact connect the movable contact of the single-pole single-throw(SPST relay JK9；The dpdt relay JK13 is as C phases
Electric current reversed polarity control terminal, the first movable contact connect the normally opened contact of the single-pole single-throw(SPST relay JK10, and the second movable contact connects
Connect the movable contact of the single-pole single-throw(SPST relay JK10.
5. the epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system according to claim 4, special
Sign is：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 opens a way control terminal as A phase currents, the first movable contact connect the double-pole double throw after
The first normally-closed contact and the second normally opened contact of electric appliance JK11, the second movable contact connect the of the dpdt relay JK11
One normally opened contact and the second normally-closed contact；The double-pole single-throw (D.P.S.T.) relay JK15 is dynamic tactile as B phase currents open circuit control terminal, first
Point connects the first normally-closed contact and the second normally opened contact of the dpdt relay JK12, 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 JK12；The double-pole single-throw (D.P.S.T.) relay JK16 is as C phases electricity
Stream open circuit control terminal, the first movable contact connect the first normally-closed contact of the dpdt relay JK13 and second and normally opened touch
Point, the second movable contact connect the first normally opened contact and the second normally-closed contact of the dpdt relay JK13.
6. the epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system according to claim 5, special
Sign is：The electric current mistake phase sequence commutation circuit includes dpdt relay JK22-JK24 and dpdt relay JK7；
The first of the dpdt relay JK22, the first movable contact connection double-pole single-throw (D.P.S.T.) relay JK14 is normally closed tactile
Point, the second movable contact connect the second normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK14, the first normally-closed contact connection A phase currents
Positive sequence, the second normally-closed contact connection A phase current positive sequences；The dpdt relay JK7, the first movable contact connect the double-pole
The first normally-closed contact of relay JK15 is singly thrown, the second of the second movable contact connection double-pole single-throw (D.P.S.T.) relay JK15 is normally closed tactile
Point, the first normally-closed contact connection B phase current positive sequences, the second normally-closed contact connection B phase current positive sequences；The dpdt relay
JK24, the first movable contact connect the first normally-closed contact of the double-pole single-throw (D.P.S.T.) relay JK16, and the connection of the second movable contact is described double
The second normally-closed contact of single-pole single-throw relay JK16, the first normally-closed contact connection C phase current positive sequences, the second normally-closed contact connection C
Phase current positive sequence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721638150.0U CN207457390U (en) | 2017-11-30 | 2017-11-30 | The epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system |
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| CN201721638150.0U CN207457390U (en) | 2017-11-30 | 2017-11-30 | The epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847100A (en) * | 2018-06-13 | 2018-11-20 | 郑州万特电气股份有限公司 | Four tables acquire fault simulation training apparatus |
| CN110571764A (en) * | 2019-09-30 | 2019-12-13 | 江苏省特种设备安全监督检验研究院 | Automatic power supply switching device for checking fault phase protection function of crane |
-
2017
- 2017-11-30 CN CN201721638150.0U patent/CN207457390U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847100A (en) * | 2018-06-13 | 2018-11-20 | 郑州万特电气股份有限公司 | Four tables acquire fault simulation training apparatus |
| CN108847100B (en) * | 2018-06-13 | 2023-09-26 | 郑州万特电气股份有限公司 | Four-meter acquisition fault simulation training equipment |
| CN110571764A (en) * | 2019-09-30 | 2019-12-13 | 江苏省特种设备安全监督检验研究院 | Automatic power supply switching device for checking fault phase protection function of crane |
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