CN209001816U - A kind of circuit of overhaul of line breaker multipurpose power source - Google Patents
A kind of circuit of overhaul of line breaker multipurpose power source Download PDFInfo
- Publication number
- CN209001816U CN209001816U CN201821332134.3U CN201821332134U CN209001816U CN 209001816 U CN209001816 U CN 209001816U CN 201821332134 U CN201821332134 U CN 201821332134U CN 209001816 U CN209001816 U CN 209001816U
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- line
- overhaul
- breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a kind of circuits of overhaul of line breaker multipurpose power source, including 380V ac input end mouth, 220V ac output end mouth, 380V ac output end mouth, rectifying and pressure-regulating module, separating brake control module, switch-on controlling module, separating brake output port, combined floodgate output port, public output mouth, 30V~250V adjustable DC output port and control switch K1~K4；The rectifying and pressure-regulating module includes diode VT1~6, constant resistance R, adjustable resistance Rs and filter capacitor C1, C2.The utility model is able to satisfy the voltage requirements of the different circuit-breaker testings such as the operation voltage of switching on and off electromagnet, the measurement of breaker time-parameters, ac voltage withstanding test, galvanic circle resistance measurement, reduces the electric shock risk of operator；Rectifier transformer is saved, small in size, circuit is simple, easy to carry and maintenance；Meet the operation voltage test demand of breaker switching on and off electromagnet, voltage adjusting is more convenient, can prevent the maloperation of operator during the test from overtension being caused to damage tested device.
Description
Technical field
The utility model relates to repair apparatus fields, relate in particular to a kind of circuit of overhaul of line breaker multipurpose power source.
Background technique
In order to find that accident or equipment damage occur for the hidden danger of equipment in operation, prevention, guarantee that the safety of power equipment can
By operation, it is often necessary to which the breaker in substation, converter station is overhauled and tested.Circuit-breaker testing type is more, examination
Test that equipment voltage rating is not also identical, if the test that scene is carried out is more, stand in maintenance power supply be unable to satisfy test demand,
More multiplex roles are extended with regard to needing to connect maintenance multipurpose power source on maintenance power supply.
Currently used overhaul of line breaker power supply function is single, is only able to satisfy operation voltage, the open circuit of switching on and off electromagnet
Device time-parameters measurement etc. parts regular circuit breakers preventive trial project test demand, be unable to satisfy ac voltage withstanding test,
The demand of the tests such as galvanic circle resistance measurement, it is very inconvenient.And common overhaul of line breaker power supply only has total control switch, respectively
A output port does not divide control switch, and there are certain security risks.And adjustable D. C regulated includes arranging transformation more
Device, volume is larger, circuit is more complex, not readily portable or maintenance.And the operation voltage of breaker switching on and off electromagnet tests institute
Voltage is needed to be generally 66V-220V, currently used overhaul of line breaker power supply DC voltage adjustable extent is larger, can not fast velocity modulation
Section uses very inconvenient to demand voltage.The overtension due to caused by operation error may damage tested device, exist
Certain security risk.
Utility model content
In view of the deficiencies of the prior art, the purpose of this utility model is to provide a kind of one kind with multiple voltage output
The circuit of overhaul of line breaker multipurpose power source.
The utility model to achieve the above object, is realized by technical solution once:
A kind of circuit of overhaul of line breaker multipurpose power source, including three-phase and four-line circuit and rectifying and pressure-regulating module, the three-phase
One end of four-wire circuit connects 380V alternating voltage as power input, and one end is as first voltage output end to export
380V alternating voltage；Second voltage output end, the fire of the second voltage output end are also connected on the three-phase and four-line circuit
Wherein a phase line is connected and is connected with zero curve with the zero curve of three-phase and four-line circuit to export 220V alternating current for line and three-phase and four-line circuit
Pressure；The rectifying and pressure-regulating module input is connected with the triple line of three-phase and four-line circuit, and output end is as tertiary voltage output end
To export direct current adjustable electric pressure.
Further, the rectifying and pressure-regulating module include thyristor VT1~VT6, constant resistance R, adjustable resistance Rs and
Filter capacitor C1, C2, thyristor VT1, VT3, VT5 form common cathode group, form common-anode group into brake tube VT2, VT4, VT6, and
And connect with constant resistance R and adjustable resistance Rs to export adjustable dc voltage, in thyristor VT1~VT6 and constant resistance R
And it is parallel with filter capacitor C1 at adjustable resistance Rs series connection, filter capacitor C2 is parallel at output port.
Further, the power input, first voltage output end, second voltage output end and tertiary voltage output
Control switch is provided at the port at end.
Further, the control switch is air switch.
Further, combined floodgate output port, separating brake output port are also connected in the output of rectifying and pressure-regulating module.
Further, it is connected with switch-on controlling module at the combined floodgate output port, is connected at the separating brake output port
There is separating brake control module.
Further, the switch-on controlling module and separating brake control module are reset switch.
The prior art is compared, the utility model has the beneficial effects that:
The present apparatus includes 220V ac output end mouth, 380V ac output end mouth, 30V~250V adjustable DC output end
Mouthful, it is able to satisfy operation voltage, the measurement of breaker time-parameters, ac voltage withstanding test, galvanic circle resistance of switching on and off electromagnet
The voltage requirements of the different circuit-breaker testings such as measurement；Each output port has a point control switch, reduces operating personnel's electric shock
Risk；It saves rectifier transformer directly to be powered by 380V three-phase four-wire power, small in size, circuit is simple, easy to carry and dimension
Shield；The adjustable extent of DC voltage meets the operation voltage test demand of breaker switching on and off electromagnet, and voltage adjusts more square
Just, it can prevent the maloperation of operator during the test from overtension being caused to damage tested device.
Detailed description of the invention
Fig. 1 is the schematic diagram of the circuit of the overhaul of line breaker multipurpose power source of the application；
Fig. 2 is the schematic diagram of the circuit of the rectifying and pressure-regulating module of the application.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Embodiment 1
As shown in Figure 1, a kind of circuit of overhaul of line breaker multipurpose power source, including three-phase and four-line circuit and rectifying and pressure-regulating mould
Block, one end of three-phase and four-line circuit connect 380V alternating voltage as power input, and one end is as first voltage output end
To export 380V alternating voltage；Second voltage output end, the firewire of second voltage output end are also connected on three-phase and four-line circuit
Wherein a phase line is connected and is connected with zero curve with the zero curve of three-phase and four-line circuit to export 220V AC voltage with three-phase and four-line circuit；
Rectifying and pressure-regulating module input is connected with the triple line of three-phase and four-line circuit, and output end exports directly as tertiary voltage output end
Flow adjustable voltage.
Control switch K1, first voltage output end port are connected at the power input port of the three-phase and four-line circuit
Place is connected with control switch K2, is connected with control switch K3 at second voltage output end port, at tertiary voltage output end port
It is connected with control switch K4, control switch K1~K4 is air switch, to improve its safety when in use, reduces behaviour
Make the risk of personnel's electric shock.
The output of rectifying and pressure-regulating module is also connected with combined floodgate output port and separating brake output port, and it is exported
End zero curve is connected with public output mouth, and it is defeated that combined floodgate output port and separating brake output port are connected in rectifying and pressure-regulating module in parallel
At firewire out.It is also connected with switch-on controlling module at combined floodgate output port, separating brake control is also connected at separating brake output port
Module, separating brake control module and switch-on controlling module are reset switch, to close a floodgate in output or when separating brake order, first
It is logical that by separating brake control module, perhaps switch-on controlling module makes the reset of its signal then export combined floodgate or separating brake again.
As shown in Fig. 2, rectifying and pressure-regulating module includes diode VT1~TV6, constant resistance R, adjustable resistance Rs and filtering
Capacitor C1, C2.In thyristor VT1~VT6, thyristor VT1, VT3, VT5 form common cathode group, thyristor VT2, VT4, VT6 group
At common-anode group, rectified action is carried out to alternating current, then is concatenated constant resistance R and adjustable resistance Rs pressure regulation electricity in series
Road, by change Rs resistance value adjust output voltage, capacitor C1 be parallel to constant resistance R, adjustable resistance Rs and thyristor VT1~
Between VT6, capacitor C2 is parallel to rectifying and pressure-regulating module output, and capacitor C1 and C2 play the role of filtering, and final output has
30V~250V direct current adjustable electric pressure.It connects in this way, it is then whole again using the modular circuit instead of first with transformer transformation
The mode of stream, eliminates transformer, so that the small circuit of overall volume is simple, easy to carry and maintenance.
When in use, the present apparatus is due to the output of first voltage output end, second voltage output end and tertiary voltage
End, can export 380V alternating voltage, 220V AC voltage and 30V~250V direct current adjustable electric pressure respectively, thus be able to satisfy point,
Operation voltage, the measurement of breaker time-parameters, ac voltage withstanding test, galvanic circle resistance measurement of switching electromagnet etc. are different disconnected
The voltage of road device test needs.And sub-control air switch is equipped at a output port, so that when operation, work
The risk of personnel's electric shock significantly reduces.The adjustable extent of DC voltage is 30V~250V, meets breaker switching on and off electricity
The operation voltage test demand of magnet is not too big simultaneously so that the adjusting of voltage is more convenient, can placement operation personnel exist
Maloperation during test is inverted overtension to damage tested device, and therefore, the overhaul of line breaker multipurpose power source is available
Make the experiment power supply of various breaker routine preventive trials and commissioning test.
For above-described embodiment simply to illustrate that the technical ideas and features of the present invention, its purpose is allows this field
Interior those of ordinary skill can understand the content of the utility model and implement accordingly, can not limit the utility model with this
Protection scope.The equivalent changes or modifications that all essence according to the content of the present invention is made, should all cover in this reality
With in novel protection scope.
Claims (7)
1. a kind of circuit of overhaul of line breaker multipurpose power source, it is characterised in that: including three-phase and four-line circuit and rectifying and pressure-regulating module,
One end of the three-phase and four-line circuit connects 380V alternating voltage as power input, and one end is as first voltage output end
To export 380V alternating voltage；Second voltage output end, the second voltage output are also connected on the three-phase and four-line circuit
Wherein a phase line is connected the firewire at end with three-phase and four-line circuit, and zero curve is connected with the zero curve of three-phase and four-line circuit to export 220V
Alternating voltage；The rectifying and pressure-regulating module input is connected with the triple line of three-phase and four-line circuit, and output end is as tertiary voltage
Output end is to export direct current adjustable electric pressure.
2. the circuit of overhaul of line breaker multipurpose power source according to claim 1, it is characterised in that: the rectifying and pressure-regulating module
Including thyristor VT1~VT6, constant resistance R, adjustable resistance Rs and filter capacitor C1, C2, thyristor VT1, VT3, VT5 group
At common cathode group, thyristor VT2, VT4, VT6 form common-anode group, and connect with constant resistance R and adjustable resistance Rs with
Adjustable dc voltage is exported, is parallel with filtered electrical at thyristor VT1~VT6 and constant resistance R and adjustable resistance Rs series connection
Hold C1, filter capacitor C2 is parallel at output port.
3. the circuit of overhaul of line breaker multipurpose power source according to claim 1, it is characterised in that: the power input,
Control switch is provided at the port of first voltage output end, second voltage output end and tertiary voltage output end.
4. the circuit of overhaul of line breaker multipurpose power source according to claim 3, it is characterised in that: the control switch is sky
Air cock.
5. the circuit of overhaul of line breaker multipurpose power source according to claim 1, it is characterised in that: in rectifying and pressure-regulating module
Output is also connected with combined floodgate output port, separating brake output port.
6. the circuit of overhaul of line breaker multipurpose power source according to claim 5, it is characterised in that: the combined floodgate output port
Place is connected with switch-on controlling module, is connected with separating brake control module at the separating brake output port.
7. the circuit of overhaul of line breaker multipurpose power source according to claim 6, it is characterised in that: the switch-on controlling module
It is reset switch with separating brake control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821332134.3U CN209001816U (en) | 2018-08-17 | 2018-08-17 | A kind of circuit of overhaul of line breaker multipurpose power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821332134.3U CN209001816U (en) | 2018-08-17 | 2018-08-17 | A kind of circuit of overhaul of line breaker multipurpose power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001816U true CN209001816U (en) | 2019-06-18 |
Family
ID=66798655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821332134.3U Active CN209001816U (en) | 2018-08-17 | 2018-08-17 | A kind of circuit of overhaul of line breaker multipurpose power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209001816U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544944A (en) * | 2019-10-12 | 2019-12-06 | 国网安徽省电力有限公司亳州供电公司 | AC/DC composite overhaul power supply device |
| CN112051502A (en) * | 2020-09-01 | 2020-12-08 | 三门核电有限公司 | Offline action testing device of aviation plug-in circuit breaker |
-
2018
- 2018-08-17 CN CN201821332134.3U patent/CN209001816U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544944A (en) * | 2019-10-12 | 2019-12-06 | 国网安徽省电力有限公司亳州供电公司 | AC/DC composite overhaul power supply device |
| CN112051502A (en) * | 2020-09-01 | 2020-12-08 | 三门核电有限公司 | Offline action testing device of aviation plug-in circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209001816U (en) | A kind of circuit of overhaul of line breaker multipurpose power source | |
| CN208401605U (en) | DC charging cabinet | |
| CN103354361A (en) | Low-voltage three-phase load automation balancing device | |
| CN208239919U (en) | A kind of alternating current-direct current variable voltage source | |
| CN209311602U (en) | A kind of remote-controlled switchgear AC and DC pressure regulation instruction carriage | |
| CN208316578U (en) | A kind of single-phase intelligent increasing apparatus | |
| CN208046249U (en) | Three-phase imbalance commutation device | |
| CN201780341U (en) | Multifunctional test vehicle | |
| CN203191429U (en) | High-precision adjustable current transmitter | |
| CN2789994Y (en) | Multifunction moving electric power output cabinet | |
| CN202550481U (en) | Abnormal voltage protection and display circuit and constant speed air conditioner | |
| CN109444611B (en) | Switch cabinet AC/DC voltage regulation test vehicle capable of being remotely controlled | |
| CN207593018U (en) | Portable inverter arc welding system | |
| CN108127222A (en) | Percussion welder control system | |
| CN204516201U (en) | Comprehensive cable distribution Simulated training device is installed in interior lines | |
| CN209488181U (en) | A kind of integration power-supply system | |
| CN203491912U (en) | Power supply device of extra high voltage alternate current and direct current pollution tests | |
| CN208420975U (en) | Dual power supply switching equipment testing auxiliary device | |
| CN206649075U (en) | Power equipment control output signal Acquisition Circuit | |
| CN206378526U (en) | A kind of use A/D automatic electricity-testing and phase checking device | |
| CN108445953A (en) | A kind of alternating current-direct current variable voltage source | |
| CN106655178B (en) | A kind of overhaul of train-set power-supply system for exempting from switching and dedicated bus | |
| CN105633943B (en) | Building block system switch power supply system | |
| CN206195348U (en) | Power supply unit is used in converter maintenance with protection | |
| CN205960650U (en) | Reactive power compensation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |