CN104764998A - Breaker simulating device used for replacing real high-voltage breaker in protecting testing process - Google Patents
Breaker simulating device used for replacing real high-voltage breaker in protecting testing process Download PDFInfo
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- CN104764998A CN104764998A CN201510195162.XA CN201510195162A CN104764998A CN 104764998 A CN104764998 A CN 104764998A CN 201510195162 A CN201510195162 A CN 201510195162A CN 104764998 A CN104764998 A CN 104764998A
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Abstract
The invention discloses a breaker simulating device used for replacing a real high-voltage breaker in the protecting testing process. The breaker simulating device comprises a breaker circuit which comprises a plurality of breaker circuit bodies identical in circuit structure and a plurality of extension relay circuits identical in circuit structure. A breaker protecting switching-on switch is connected into a closing coil and a controller switching-on opening loop. The closing coil and the controller switching-on opening loop are connected in parallel. A breaker protecting trip switch is connected into a tripping coil and a controller tripping opening loop. The tripping coil and the controller tripping opening loop are connected in parallel. One relay is adopted in each extension relay circuit to serve as contact extension, and each extension relay circuit is used for simulating an auxiliary switch contact of the breaker to be opened at the switching-on and switching-off position. The switching-on and switching-off time of the sixth simulated breaker can be set according to needs, and the precision of the switching-on and switching-off time of the simulated breaker is high.
Description
Technical field
The present invention relates to a kind of can the analogue means of high voltage breaker simulator state, particularly a kind of simulator of circuit breaker for the protection of true primary cut-out can be replaced in test.
Background technology
Because pilot project is more in current reaying protection test, isolating switch will divide-shut brake frequently, can impact like this to the serviceable life of isolating switch.Transfomer Substation Reconstruction and newly-built in, when protective device installs, primary cut-out due to the supply of material wait other reason to fail to install time, the carrying out of protection test can be had influence on, affect the progress of whole engineering.
Transforming plant lead-in backup auto-activating device; and after main transformer backup auto-activating device puts into operation, the protection test of automatic switching to be carried out to the test period, because the time delay of prepared auto restart switching needs the time in power failure 3-5 second; just cause transformer station's dead electricity in short-term, affect the normal power supply to user.Backup auto-activating device fails to test according to the normal test period for a long time, along with the increase of working time, often occurs the phenomenon of prepared auto restart tripping and malfunction.For solution never has a power failure whole group of protection test is carried out to backup auto-activating device, for ensureing normal power supply, the relay that large family expenses are common for a long time carrys out isolating switch that is virtually reality like reality, carry out the total group test that do not have a power failure of backup auto-activating device, common relay actuating coil resistance is larger, be generally 10-20K ohm, and fix and can not adjust, differ larger with the resistance (70-600 ohm) of the divide-shut brake coil of actual high-voltage isolating switch, when this actuating coil being connected to divide-shut brake control loop, control loop loop current is too little, the current carrying capability of contact can not be outputed by check protection device, protective device position display also can be too little because of electric current, and correct collection can not be carried out to switch deciliter position, the actuation time of common relay is generally≤20ms, the opening time of primary cut-out is generally > 20ms, closing time is generally > 50ms, so common relay can not the branch wire time of good high voltage breaker simulator, to carry out correct checking to the temporal cooperation that protection at different levels is carried out.
The simulator of circuit breaker of existing small part manufacturer production, functionally comprehensive not, there is following shortcoming:
1, the branch wire time of isolating switch is fixed as several gear, and the divide-shut brake of every circuit breaker can not set according to demand, and opening and closing resistor is adjustable, and gear is less;
2, existing power supply input all adopts the input of single AC power, AC power bad situation of getting in working site when not considering work;
3, to output the capacity of node less for isolating switch, and branch wire time and opening and closing resistor error are comparatively large, and expensive, and practicality is not strong.
Summary of the invention
For solving the deficiency that prior art exists; the invention discloses a kind of simulator of circuit breaker for the protection of replacing true primary cut-out in test; the object of the invention is to change existing protection test mesohigh isolating switch action present situation that the life-span is had an impact frequently; solve the problem cannot tested protective device because of the non-installation of primary cut-out; solution cannot ensure not have a power failure and transformer substation spare power automatic switching device be carried out to the problem of whole group of protection test; and it is comprehensive not to solve existing simulator of circuit breaker function, the imperfect present situation of simulate effect.
For achieving the above object, concrete scheme of the present invention is as follows:
Replace the simulator of circuit breaker of true primary cut-out for the protection of in test, comprise core controller, described core controller respectively with breaker circuit, control power circuit, human-computer interaction device, divide-shut brake coil analogue means be connected with display panel;
Described breaker circuit comprises the identical expansion relay circuit of multiple circuit structure; breaker protection closes a floodgate, and opening closes a floodgate into access closing coil and controller opens entry loop; closing coil and controller close a floodgate and open entry loop and be in parallel; breaker protection tripping operation is opened and is opened entry loop into access switching winding and controller separating brake; switching winding and controller separating brake are opened entry loop and are in parallel; each expansion relay circuit all adopts a powerful relay to expand as contact; for the auxiliary switch contact of mimic-disconnecting switch, carry out a deciliter position and output.
Described core controller, for realizing the simulation to the intrinsic branch wire time of all kinds of isolating switch, splits the control of the Logic judgment into divide-shut brake signal; Described core controller adopts 12 tunnels to open and outputs Programmable Logic Controller into, 6 roads, can realize the simulation of 6 circuit breakers.
Described control power circuit adopts Switching Power Supply as control power supply, utilizes alternating current-direct current two-way power supply to input, and adjustable DC electricity can be provided to export;
Described human-computer interaction device adopts text display as human-computer interaction device, for arranging the branch wire time of simulated actual isolating switch, and to the opening and closing state of isolating switch real-time carry out monitoring alarm;
Described divide-shut brake coil analogue means comprise one group can stepping regulate switching winding and one group can stepping regulate closing coil;
Described display panel, for showing deciliter position of every road mimic-disconnecting switch.
Described expansion relay circuit comprises relay, the normally closed contact of relay is connected in series the closing circuit into isolating switch, the normal opened contact of relay is connected in series the sub-gate circuit into isolating switch, the tripping operation end of relay is connected with trip circuit by tripping operation time delay module, and the combined floodgate end of relay is connected with combined floodgate circuit by combined floodgate time delay module.
Described trip circuit comprises the first diode and second diode of differential concatenation, the negative terminal of the first diode is connected with tripping operation time delay module, the negative terminal of the first diode is connected with hand TRIP with on the circuit between tripping operation time delay module, circuit between first diode and the second diode is opened to enter the GATT with trip protection and is connected, the normal opened contact that relay also expanded therewith by second diode is connected, circuit between a pair normal opened contact that relay expanded therewith by second diode is also connected with the divider resistance and pilot lamp that are in series, in order to the gate-dividing state of this isolating switch of real time reaction.
Described combined floodgate circuit comprises the 3rd diode and the 4th diode of differential concatenation, the negative terminal of the 3rd diode is connected with combined floodgate time delay module, the negative terminal of the 3rd diode is connected with hand combination switch with on the circuit between combined floodgate time delay module, circuit between 3rd diode and the 4th diode is opened into being connected with protection combined floodgate, the normally closed contact that relay also expanded therewith by 4th diode is connected, circuit between a pair normally closed contact that relay expanded therewith by 4th diode is also connected with the divider resistance and pilot lamp that are in series, in order to the "on" position of this isolating switch of real time reaction.
Described control power circuit comprises AC220V ac input end and the DC power supply terminal from transformer station direct current system access, described AC220V ac input end is connected with DC220V output switch power source, described AC220V ac input end is also provided with switch, described DC220V output switch power source has DC0-260V, 1.5-30A adjustable DC electricity export, output terminal is equipped with Digital direct current voltage meter, the working power of digital voltmeter takes from the inlet wire side of Switching Power Supply, three station change-over switchs are also provided with between the direct supply that the DC power supply terminal of described transformer station direct current system access and Switching Power Supply export.
Described switching winding and closing coil have been connected in series the switching winding of the primary cut-out of 4 CT10A mechanisms separately, and access waver and realize 5 grades of adjustments.
Described 6 circuit breaker divide-shut brake loops are all serially connected with forward diode, in order to ensure that every circuit breaker closes a floodgate that namely to have divide-shut brake to open fashionable in order receiving separately, can ensure not allow electric current by other circuit-breaker switching on-off control loops, cause malfunction.
Principle of work: this device utilizes Programmable Logic Controller as control core, realize the accurate analog to the branch wire time of isolating switch, Logic judgment into order and execution are opened to divide-shut brake, the divide-shut brake coil of many grades of adjustable true isolating switchs is utilized to carry out the size of the divide-shut brake loop resistance of mimic-disconnecting switch, and utilize the auxiliary contact of powerful relay to replace the auxiliary contact of true isolating switch, carry out position to output, according to protection test needs, both every road mimic-disconnecting switch manually can be put a point position, manually can put co-bit again, external protection breaker tripping and closing are opened into this device accessible, control core is through Logic judgment, and through the time delay of time delay module, realize the breaker tripping and closing respectively of each road mimic-disconnecting switch, and give on circuit breaker position, the course of action of accurate Reality simulation isolating switch, operating state.
This device is utilized to replace real isolating switch to carry out the process of line protective devices test as follows: according to the size of the branch wire time of simulated true isolating switch; text display sets the branch wire time of every circuit breaker; panel adjusts opening and closing resistor; to make the opening and closing resistor of every circuit breaker close to the divide-shut brake loop resistance of the true isolating switch of simulating; press the closing by hand button on panel; respective circuit breakers can be put closing position; by opening button, corresponding isolating switch can be put open position.Input of being closed a floodgate by this device is connected to that the combined floodgate of protective device is defeated to be outputed, the tripping operation that tripping operation input is connected to protective device is outputed, the co-bit of this device is exported the position being connected to protective device open into, point position of this device is exported point position being connected to protective device open into, after mimic-disconnecting switch action, as face, the pilot lamp of upper corresponding isolating switch lights, and text display also has corresponding circuit-breaker switching on-off action alarm to indicate, display " xx# breaker open operation ", " xx# breaker closing ", complete protection act, the successful whole process of the test of breaker tripping and closing, protective device is verified.Utilize this device can test to whole group of backup auto-activating device, and can ensure once not have a power failure, also can test the protective device such as transform er differential protection, back-up protection.
Beneficial effect of the present invention:
The branch wire time of No. 6 mimic-disconnecting switches of the present invention can set as required, and the circuit-breaker switching on-off time precision of simulating is high; With the switching winding of actual high-voltage isolating switch as mimic-disconnecting switch divide-shut brake coil, simulate effect is authentic and valid, and the resistance precision in loop is large; Working power adopts AC-DC double power supply input, and has adjustable DC power supply to export; When hand is said good-bye and closed, obstructed excess current in divide-shut brake coil, only has outside breaker tripping and closing to open fashionable, just has electric current to pass through in coil; Every road mimic-disconnecting switch action time can reach more than 100,000 times, long service life; Structure is simple, small volume, with low cost.
The present invention can Reality simulation isolating switch, replaces true isolating switch for the verification to protective relaying device, to reduce isolating switch to reduce isolating switch serviceable life due to the frequent divide-shut brake in protection test; And can transforming plant lead-in circuit breaker be replaced, ensure that transformer station's two-way inlet wire does not have a power failure, whole group of protection test is carried out to transforming plant lead-in backup auto-activating device; Install when protective device during newly-built and transformation in transformer station, but when isolating switch is not installed, also can utilize the test of this dress row protective device, to shorten and to shift to an earlier date installation period; Utilize this device also can when transformer station direct current system does not come into operation, the direct supply using this device to export be powered to protective device device, tests in advance.
Device of the present invention is applicable to power industry, proterctive equipment manufacturer, scientific research institutions, professional universities and colleges; as actual alternate device when relay protection and aut.eq. belt switch whole group system transmission test; this device action accurately, reliably; action frequency is unrestricted; can isolating switch that is virtually reality like reality to greatest extent, correctness and the integrality of test can be improved greatly.
Accompanying drawing explanation
Fig. 1 a is PC66201 type simulator of circuit breaker schematic diagram of the present invention;
Fig. 1 b is every circuitry phase enlarged drawing in PC66201 type isolating switch of the present invention;
Fig. 2 is PC66201 type simulator of circuit breaker divide-shut brake coil gear adjustment figure of the present invention;
Fig. 3 is that PC66201 type simulator of circuit breaker of the present invention controls electric power loop figure;
Fig. 4 is PC66201 type simulator of circuit breaker panel overall appearance figure of the present invention;
Fig. 5 is PC66201 type simulator of circuit breaker inner structure schematic diagram of the present invention;
In figure, 1, Digital direct current voltage meter, 2,220V output switch power source, 3, exchange input, 4, adjustable voltage direct current export, 5, direct current input, 6,24V output switch power source, 7, text display, the 8, first expansion relay circuit, the 9, second expansion relay circuit, 10, the 3rd expansion relay circuit, 11, the 4th expansion relay circuit, the 12, the 5th expansion relay circuit, the 13, the 6th expansion relay circuit.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in detail:
Simulator of circuit breaker of the present invention, by control core part, expansion relay part, divide-shut brake coil simulation part, control power unit, man-machine interaction part, operation and a few part composition of display panel.
Described control core part, E part as shown in Figure 5, Shi Yong 12 tunnel inputs, the Programmable Logic Controller that 6 tunnels export, again as shown in Figure 1, utilizes Programmable Logic Controller, realize the simulation to the intrinsic branch wire time of all kinds of isolating switch, split the function that the Logic judgment into divide-shut brake signal controls.
The input of Programmable Logic Controller correspondence, output are:
The order of I1:#1 breaker closing inputs, and the order of I2:#1 breaker open operation inputs
The order of I3:#2 breaker closing inputs, and the order of I4:#2 breaker open operation inputs
The order of I5:#3 breaker closing inputs, and the order of I6:#3 breaker open operation inputs
The order of I7:#4 breaker closing inputs, and the order of I8:#4 breaker open operation inputs
The order of I9:#5 breaker closing inputs, and the order of I10:#5 breaker open operation inputs
The order of I11:#6 breaker closing inputs, and the order of I12:#6 breaker open operation inputs
Corresponding output contact is:
(become docking point, contact is broken as separating brake, and junction closure is for closing a floodgate)
Q1:#1 isolating switch divides, closes a floodgate
Q2:#1 isolating switch divides, closes a floodgate
Q3:#1 isolating switch divides, closes a floodgate
Q4:#1 isolating switch divides, closes a floodgate
Q5:#1 isolating switch divides, closes a floodgate
Q6:#1 isolating switch divides, closes a floodgate
Utilize Programming of programmable controller software, write logi function chart program, be downloaded to Programmable Logic Controller.
In functional diagram, input logic module selects Non-logic modules, and delay function module is selected and kept connecting time delay module, is directly exported to output relay by RS relay module.Programmable Logic Controller is ripe industrial control equipment, and reliability is high, and antijamming capability is strong, long service life.
Specific works principles illustrated is as follows:
Shown in the logi function chart procedure chart of this Programmable Logic Controller, logic module selects Non-logic modules, and functional module selects time delay to connect module, RS breaker module.Breaker tripping and closing order is entered by I disconnecting, enter the analysis of logic merit functional module to judge, that when powering on for the first time to test board, state can control effectively by the object of phase inverter access breaker tripping and closing order respectively, prevent mimic-disconnecting switch from occurring random state, shake is prevented by postponing to connect auxiliary reclay, guarantee that reliable signal could trigger upset RS two-position relay, effective isolation instantaneous interference signal, RS two-position relay Reality simulation isolating switch, outlet send power original paper to guarantee closing loop real power and impedance, by O1-O8 port to deciliter output.
Expansion relay part is the D1-D6 part on Fig. 5, corresponding 6 circuit breakers respectively.As shown in Fig. 1 a-1b, Shi Mei road mimic-disconnecting switch all adopts a powerful DC relay to expand as contact, and the auxiliary switch contact of high voltage breaker simulator carries out a deciliter position and outputs.DC relay model: JQX-38F, outputs contact: three open three closes, contact capacity 40A/28VDC 40A/240VAC, coil voltage: DC220V, coil power: 2.5W.Every road mimic-disconnecting switch all thus relay provides a pair normal opened contact to output, and analog switch divides position, and a pair normally closed contact is outputed, simulation co-bit.Every road mimic-disconnecting switch sub-gate circuit all seals in a pair normal opened contact of this expansion relay, each closing circuit of circuit breaker seals in a pair normally closed contact of this expansion relay, to cut off divide-shut brake wire loop after divide-shut brake, relay tip capacity is enough large, effectively can excise the direct-current arc that divide-shut brake produces, ensure that coil can not be burnt by electric current for a long time.This relay electrical endurance 100,000 times, mechanical life 1,000 ten thousand times.Contact-actuation time is rapid, within 5ms.
As shown in Figure 1a, expansion relay comprises: the first expansion relay circuit 8, corresponding 1 circuit breaker, 1 circuit breaker A phase, the second expansion relay circuit 9, corresponding 2 circuit breakers, 1 circuit breaker B phase, the 3rd expansion relay circuit 10, corresponding 3 circuit breakers, 1 circuit breaker C phase, 4th expansion relay circuit 11, corresponding 4 circuit breakers, 2 circuit breaker A phases, 5th expansion relay circuit 12, corresponding 5 circuit breakers, 2 circuit breaker B phases, the 6th expansion relay circuit 13, corresponding 6 circuit breakers, 2 circuit breaker C phases.
Described divide-shut brake coil simulation part, be the A1-A8 part of Fig. 5, A1, A3, A5, A7 are concatenated into closing coil, and A2, A4, A6, A8 are concatenated into switching winding.Separating brake and closing circuit have been connected in series the switching winding of the primary cut-out of 4 CT10A mechanisms separately, and access waver and realize 5 grades of adjustments, every coil 125 Ω.E is Programmable Logic Controller, the simple and easy surface-mounted integrated circuit of H1-H2, and D1-D6 expands relay, C connection terminal.
Closing coil resistance is:
1 grade: A1=125 Ω
2 grades: A1+A3=250 Ω
3 grades: A1+A3+A5=275 Ω
4 grades: A1+A3+A5+A7=500 Ω
5 grades: ∞ Ω.
Switching winding resistance is:
1 grade: A2=125 Ω
2 grades: A2+A4=250 Ω
3 grades: A2+A4+A6=275 Ω
4 grades: A2+A4+A6+A8=500 Ω
5 grades: ∞ Ω
The object introducing 5 grades (∞ Ω) is in order to mating protection device, and the protection test of control loop template is done in simulation.When protection test, gear is adjusted to by the close gear of the high-voltage circuit-breaker switching on-off coil resistance of simulating so that the current carrying capability of contact is outputed in the breaker tripping and closing of check protection device.For avoiding coil mutual inductance, in the positional alignment of coil, make every two coils have the distance of 3cm, one, the interval closing coil of two switching windings is connected in series again, and away from Programmable Logic Controller and miscellaneous part, avoids electromagnetic interference (EMI).As shown in Figure 2, be that No. 6 mimic-disconnecting switches share one group of adjustable switching winding, one group of adjustable closing coil.The divide-shut brake wire loop of every circuit breaker all seals in diode, utilizes the unilateral conduction of diode, avoids an outside, road to close a floodgate when order inputs and causes All other routes
Close a floodgate.When hand is said good-bye and closed, obstructed excess current in divide-shut brake coil, only has outside breaker tripping and closing to open fashionable, just has electric current to pass through in coil.
Control power unit, it is control electric power loop part as shown in Figure 3, comprise 220V output switch power source 2, the input end of 220V output switch power source 2 with exchange input 3 and be connected, exchange between input and 220V output switch power source 2 and be also connected with switch, Digital direct current voltage meter 1 is also connected with between 220V output switch power source 2 input end and adjustable voltage DC output end 4, the output terminal of 220V output switch power source 2 is also connected with direct-flow input end 5 by three station change-over switchs, the other end of three station change-over switchs is connected with text display 7 by 24V output switch power source 6.
Controlling electric power loop part adopts AC220V interchange input DC0-260V 2.2A 500W rearrangeable switch power supply to control power supply, working power, signal circuit power supply as device, when AC power inconvenience is got, (+110V ,-110V) direct supply can also be accessed from transformer station direct current system, guidance panel is provided with three station change-over switchs, convenient switching, direct current after avoiding Switching Power Supply to convert is mixed with the direct current of transformer station direct current system, and affects the straight-flow system of whole transformer station.500W Switching Power Supply, can provide 0-260V, 1.5-30A adjustable DC electricity to export, so that newly-built with when transforming in transformer station, when straight-flow system is not also set up complete, provides direct supply to test in advance protective device by it.Control supply voltage and adjustable DC output voltage carry out monitoring by Digital direct current voltage meter and show, and adopt ICL7135 digital voltmeter, panel type, numerical monitor, and display four and half numerical value, precision is high, good looking appearance.
The layout of instrument internal power module is as shown in B, G, F part of Fig. 5, B is 500W0-220V adjustable DC output switch power source, G is 24V Switching Power Supply, F is 5V Switching Power Supply, 24V Switching Power Supply aims at text display and provides working power, and 5V Switching Power Supply aims at ICL7135 digital voltmeter and provides working power.
Man-machine interaction part, refer to and adopt the embedded text display of panel type as the interactive tool with experimenter and controller, can according to the branch wire time of the actual isolating switch at simulated scene, text display is revised the size of the numerical value of the time register of Programmable Logic Controller inside, can change the branch wire time of mimic-disconnecting switch, the branch wire time of every road mimic-disconnecting switch can be changed on panel, convenient to operation.Text display can also to the opening and closing state of every circuit breaker real-time carry out monitoring alarm.Every circuit breaker is all provided with outer protection and opens into breaker tripping and closing, and can manual divide-shut brake.
Operation and display panel part, refer to part as shown in Figure 4, guidance panel is divided into 7 districts, i.e. output area, mimic-disconnecting switch position, divide-shut brake order input field, manual breaking-closing operating and pilot lamp viewing area, adjustable voltage monitoring, output area, divide-shut brake loop resistance adjustment district, power of alterating and direct current input and operation switch area, text display district, each Division is reasonable, facilitate wiring and operation, integral layout is attractive in appearance.On panel all red according to the green C of the yellow B of A, the direct supply of all banana bins according to red+, blue-technical standard distinguished.Adopt panel type LED light as monitoring instruction, green point of red conjunction.The manual breaking-closing operating button of panel type is adopted to carry out the operation of manual divide-shut brake, and green point of red conjunction.Guidance panel material is dual-color plastic acrylic board, utilizes laser engraving technique perforate and carves characters, and panel is close to one piece of insulcrete below and is carried out strength support.
By control core part, expansion relay part, control power unit, man-machine interaction part, divide-shut brake coil simulation part, operation and a few sections fit of display panel after be positioned in the high instrument container of wide 20.5cm of the long 32cm of 42cm, form a complete PC66201 type simulator of circuit breaker, this instrument quality 8.8 kilograms is overall light, attractive in appearance.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. for the protection of the simulator of circuit breaker replacing true primary cut-out in test, it is characterized in that, comprise core controller, described core controller respectively with breaker circuit, control power circuit, human-computer interaction device, divide-shut brake coil analogue means be connected with display panel;
Described breaker circuit comprises the identical expansion relay circuit be in parallel of multiple circuit structure, one end of breaker circuit is connected with closing coil, the other end is connected with switching winding, each expansion relay circuit all adopts a relay to expand as contact, for the auxiliary switch contact of mimic-disconnecting switch, carry out a deciliter position and output.
2. as claimed in claim 1 for the protection of the simulator of circuit breaker replacing true primary cut-out in test, it is characterized in that, described control power circuit adopts Switching Power Supply as control power supply, utilizes alternating current-direct current two-way power supply to input, and adjustable DC electricity can be provided to export;
Described human-computer interaction device adopts text display as human-computer interaction device, for arranging the branch wire time of simulated actual isolating switch, and to the opening and closing state of isolating switch real-time carry out monitoring alarm;
Described divide-shut brake coil analogue means comprises one group of adjustable switching winding and one group of adjustable closing coil;
Described display panel, for showing deciliter position of every road mimic-disconnecting switch.
3. as claimed in claim 1 for the protection of the simulator of circuit breaker replacing true primary cut-out in test, it is characterized in that, described core controller, for realizing the simulation to the intrinsic branch wire time of all kinds of isolating switch, splits the control of the Logic judgment into divide-shut brake signal; Described control core adopts 12 tunnels to open and outputs Programmable Logic Controller into, 6 roads, can realize the simulation of 6 circuit breakers.
4. as claimed in claim 1 for the protection of the simulator of circuit breaker replacing true primary cut-out in test; it is characterized in that; described expansion relay circuit comprises relay; the normally closed contact of relay is connected in series the sub-gate circuit into isolating switch; the normal opened contact of relay is connected in series the closing circuit into isolating switch; the tripping operation end of relay is connected with trip circuit by tripping operation time delay module, and the combined floodgate end of relay is connected with combined floodgate circuit by combined floodgate time delay module.
5. as claimed in claim 4 for the protection of the simulator of circuit breaker replacing true primary cut-out in test, it is characterized in that, described trip circuit comprises the first diode and second diode of differential concatenation, the negative terminal of the first diode is connected with tripping operation time delay module, the negative terminal of the first diode is connected with hand TRIP with on the circuit between tripping operation time delay module, circuit between first diode and the second diode is opened to enter the GATT with trip protection and is connected, the normal opened contact that relay also expanded therewith by second diode is connected, circuit between a pair normal opened contact that relay expanded therewith by second diode is also connected with the divider resistance and pilot lamp that are in series.
6. as claimed in claim 4 for the protection of the simulator of circuit breaker replacing true primary cut-out in test, it is characterized in that, described combined floodgate circuit comprises the 3rd diode and the 4th diode of differential concatenation, the negative terminal of the 3rd diode is connected with combined floodgate time delay module, the negative terminal of the 3rd diode is connected with hand combination switch with on the circuit between combined floodgate time delay module, circuit between 3rd diode and the 4th diode is opened into being connected with protection combined floodgate, the normally closed contact that relay also expanded therewith by 4th diode is connected, circuit between a pair normally closed contact that relay expanded therewith by 4th diode is also connected with the divider resistance and pilot lamp that are in series.
7. as claimed in claim 1 for the protection of the simulator of circuit breaker replacing true primary cut-out in test, it is characterized in that, described control power circuit comprises AC220V ac input end and the DC power supply terminal from transformer station direct current system access, described AC220V ac input end is connected with DC220V output switch power source, described AC220V ac input end is also provided with switch, described DC220V output switch power source has DC0-260V, 1.5-30A adjustable DC electricity export, output terminal is equipped with Digital direct current voltage meter, the working power of digital voltmeter takes from the inlet wire side of Switching Power Supply, three station change-over switchs are also provided with between the direct supply that the DC power supply terminal of described transformer station direct current system access and Switching Power Supply export.
8. as claimed in claim 1 for the protection of the simulator of circuit breaker replacing true primary cut-out in test; it is characterized in that; described switching winding and closing coil have been connected in series the switching winding of the primary cut-out of 4 CT10A mechanisms separately, and access waver and realize 5 grades of adjustments.
9., as claimed in claim 8 for the protection of the simulator of circuit breaker replacing true primary cut-out in test, it is characterized in that, described 6 circuit breaker divide-shut brake loops are all serially connected with forward diode.
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| CN201510195162.XA CN104764998B (en) | 2015-04-22 | 2015-04-22 | For replacing the simulator of circuit breaker of true primary cut-out in protection test |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443435A (en) * | 2016-10-31 | 2017-02-22 | 南方电网科学研究院有限责任公司 | Circuit breaker breaking and closing operation simulation test device and test method |
| CN106771993A (en) * | 2016-10-31 | 2017-05-31 | 南方电网科学研究院有限责任公司 | A kind of circuit-breaker switching on-off action simulation experimental rig and test method |
| CN106932716A (en) * | 2017-03-23 | 2017-07-07 | 国家电网公司 | Arc current detection means and method under a kind of primary cut-out simulated defect |
| CN107102232A (en) * | 2017-06-13 | 2017-08-29 | 广东电网有限责任公司佛山供电局 | A kind of portable simulation breaker |
| CN107202928A (en) * | 2017-06-22 | 2017-09-26 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of automatic throw-in equipment of emergency power supply mimic-disconnecting switch |
| CN108039102A (en) * | 2017-12-12 | 2018-05-15 | 三峡大学 | A kind of breaker Digital Simulation device and method |
| CN108535644A (en) * | 2018-06-26 | 2018-09-14 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Portable simulation breaker and test method |
| CN108963960A (en) * | 2017-05-25 | 2018-12-07 | 国网江苏省电力公司常州供电公司 | Control switch in circuit breaker control circuit of transformer substation |
| CN109557841A (en) * | 2018-09-10 | 2019-04-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Self-check system based on wireless device |
| CN111781852A (en) * | 2020-06-05 | 2020-10-16 | 许昌开普检测研究院股份有限公司 | Integrated modeling method for control logic and state signal of digital analog circuit breaker |
| CN111929574A (en) * | 2020-08-06 | 2020-11-13 | 淮沪电力有限公司田集第二发电厂 | Auxiliary simulator for relay protection test |
| CN111965461A (en) * | 2020-08-24 | 2020-11-20 | 华能山东发电有限公司烟台发电厂 | Multifunctional analog circuit breaker |
| CN112526180A (en) * | 2020-08-28 | 2021-03-19 | 广西电网有限责任公司桂林临桂供电局 | Subminiature circuit breaker simulator based on double-coil magnetic latching signal relay |
| CN112904134A (en) * | 2020-10-16 | 2021-06-04 | 国网山东省电力公司金乡县供电公司 | Uninterrupted power verification device for spare power automatic switching device, spare power automatic switching device and method |
| CN112946463A (en) * | 2020-12-23 | 2021-06-11 | 华能伊敏煤电有限责任公司 | Device applied to switching characteristic test |
| CN113049949A (en) * | 2021-02-01 | 2021-06-29 | 上海地铁维护保障有限公司 | Relay overhaul testing device and system |
| CN113533889A (en) * | 2021-07-26 | 2021-10-22 | 南方电网数字电网研究院有限公司 | Spare power automatic switching uninterrupted visual test method and device based on digital analog circuit breaker |
| CN113687220A (en) * | 2021-07-16 | 2021-11-23 | 国家电网有限公司技术学院分公司 | Simulation device and method for spring energy storage type vacuum circuit breaker |
| CN113702822A (en) * | 2021-09-13 | 2021-11-26 | 深圳供电局有限公司 | Simulated circuit breaker device for tripping and closing tests of power grid relay protection equipment |
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| CN108761318B (en) * | 2018-03-21 | 2021-04-30 | 北京四方继保自动化股份有限公司 | Intelligent double-jumping-ring analog circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771993A (en) * | 2016-10-31 | 2017-05-31 | 南方电网科学研究院有限责任公司 | A kind of circuit-breaker switching on-off action simulation experimental rig and test method |
| CN106443435A (en) * | 2016-10-31 | 2017-02-22 | 南方电网科学研究院有限责任公司 | Circuit breaker breaking and closing operation simulation test device and test method |
| CN106771993B (en) * | 2016-10-31 | 2023-08-18 | 南方电网科学研究院有限责任公司 | Circuit breaker opening and closing action simulation test device and test method |
| CN106443435B (en) * | 2016-10-31 | 2023-08-22 | 南方电网科学研究院有限责任公司 | Circuit breaker opening and closing action simulation test device and test method |
| CN106932716A (en) * | 2017-03-23 | 2017-07-07 | 国家电网公司 | Arc current detection means and method under a kind of primary cut-out simulated defect |
| CN108963960B (en) * | 2017-05-25 | 2023-10-27 | 国网江苏省电力公司常州供电公司 | Control switch in control loop of transformer substation breaker |
| CN108963960A (en) * | 2017-05-25 | 2018-12-07 | 国网江苏省电力公司常州供电公司 | Control switch in circuit breaker control circuit of transformer substation |
| CN107102232A (en) * | 2017-06-13 | 2017-08-29 | 广东电网有限责任公司佛山供电局 | A kind of portable simulation breaker |
| CN107102232B (en) * | 2017-06-13 | 2023-04-28 | 广东电网有限责任公司佛山供电局 | Portable analog circuit breaker |
| CN107202928A (en) * | 2017-06-22 | 2017-09-26 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of automatic throw-in equipment of emergency power supply mimic-disconnecting switch |
| CN107202928B (en) * | 2017-06-22 | 2023-10-20 | 国网辽宁省电力有限公司鞍山供电公司 | Automatic switching-on device analog circuit breaker of standby power supply |
| CN108039102A (en) * | 2017-12-12 | 2018-05-15 | 三峡大学 | A kind of breaker Digital Simulation device and method |
| CN108535644A (en) * | 2018-06-26 | 2018-09-14 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Portable simulation breaker and test method |
| CN109557841A (en) * | 2018-09-10 | 2019-04-02 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Self-check system based on wireless device |
| CN111781852B (en) * | 2020-06-05 | 2024-03-29 | 许昌开普检测研究院股份有限公司 | Integrated modeling method for digital analog circuit breaker control logic and state signal |
| CN111781852A (en) * | 2020-06-05 | 2020-10-16 | 许昌开普检测研究院股份有限公司 | Integrated modeling method for control logic and state signal of digital analog circuit breaker |
| CN111929574A (en) * | 2020-08-06 | 2020-11-13 | 淮沪电力有限公司田集第二发电厂 | Auxiliary simulator for relay protection test |
| CN111929574B (en) * | 2020-08-06 | 2023-06-23 | 淮沪电力有限公司田集第二发电厂 | Relay protection test auxiliary simulator |
| CN111965461A (en) * | 2020-08-24 | 2020-11-20 | 华能山东发电有限公司烟台发电厂 | Multifunctional analog circuit breaker |
| CN112526180A (en) * | 2020-08-28 | 2021-03-19 | 广西电网有限责任公司桂林临桂供电局 | Subminiature circuit breaker simulator based on double-coil magnetic latching signal relay |
| CN112904134B (en) * | 2020-10-16 | 2023-06-13 | 国网山东省电力公司金乡县供电公司 | Backup automatic switching device uninterrupted power check device, backup automatic switching device and backup automatic switching method |
| CN112904134A (en) * | 2020-10-16 | 2021-06-04 | 国网山东省电力公司金乡县供电公司 | Uninterrupted power verification device for spare power automatic switching device, spare power automatic switching device and method |
| CN112946463B (en) * | 2020-12-23 | 2023-04-07 | 华能伊敏煤电有限责任公司 | Device applied to switching characteristic test |
| CN112946463A (en) * | 2020-12-23 | 2021-06-11 | 华能伊敏煤电有限责任公司 | Device applied to switching characteristic test |
| CN113049949A (en) * | 2021-02-01 | 2021-06-29 | 上海地铁维护保障有限公司 | Relay overhaul testing device and system |
| CN113687220A (en) * | 2021-07-16 | 2021-11-23 | 国家电网有限公司技术学院分公司 | Simulation device and method for spring energy storage type vacuum circuit breaker |
| CN113687220B (en) * | 2021-07-16 | 2024-04-05 | 国家电网有限公司技术学院分公司 | Simulation device and method for spring energy storage type vacuum circuit breaker |
| CN113533889A (en) * | 2021-07-26 | 2021-10-22 | 南方电网数字电网研究院有限公司 | Spare power automatic switching uninterrupted visual test method and device based on digital analog circuit breaker |
| CN113702822A (en) * | 2021-09-13 | 2021-11-26 | 深圳供电局有限公司 | Simulated circuit breaker device for tripping and closing tests of power grid relay protection equipment |
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