CN202693641U - Voltage and current superposed complete power supply device isolated by cable section - Google Patents
Voltage and current superposed complete power supply device isolated by cable section Download PDFInfo
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- CN202693641U CN202693641U CN 201220354791 CN201220354791U CN202693641U CN 202693641 U CN202693641 U CN 202693641U CN 201220354791 CN201220354791 CN 201220354791 CN 201220354791 U CN201220354791 U CN 201220354791U CN 202693641 U CN202693641 U CN 202693641U
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Abstract
The utility model discloses a voltage and current superposed complete power supply device isolated by a cable section. The current and voltage superposed complete power supply device comprises a movable trolley (8) with universal wheels (9) and a supporting seat (1) positioned on the movable trolley, wherein a voltage regulator (3) is placed on the lower part of the supporting seat (1); and a current amplifier (2) is placed above the supporting seat (1). The current and voltage superposed complete power supply device has the advantages that respective load of equipment is light, the conventional large current generation way can be combined with a voltage application way, and voltage and current of light-load tested electrical equipment are superposed by relatively small testing equipment, so that efficient equivalent operation is efficiently and conveniently performed, research ways and methods adapt to research characteristics of laboratories, and the integral cost performance is high.
Description
Technical field
The utility model belongs to the electric equipment test field of power supplies, is particularly useful for voltage, electric current stack experiment power supply for the little impedance passage component of primary equipment.
Background technology
Primary conductive partly seals in the electrical equipment in the electric system primary circuit, is in operation such as switch, current transformer, wire, cable etc. and can bears the double action of voltage, electric current.The thermal effect of electric current, voltage is to the electrodisintegration of insulating material, and the apparatus body that voltage and current causes vibrates and heat, the decay of electric circulation insulating property etc., the capital impels the running status of electrical equipment to develop towards deteriorated aspect from every side, and then aggravate the unstable of operational outfit, cause the operation risk of whole system to strengthen.
The electrical equipment of practical application needs to carry out all types of tests and detects after design, manufacturing are finished, to reach the requirement that puts into operation.For the equipment of logical large electric current, through-flow heating, thermally-stabilised, thermoae limit etc. for for the equipment that puts into operation of operation, belong to that needs are understood and the parameter of grasp.For high voltage electric equipment, insulation is its basis, and voltage needs to cooperate all types of means (simulation calculation, virtual voltage test etc.) to verify on the direct impact of insulation.Partly seal in electrical equipment in the electric system primary circuit for primary conductive, it is in operation and bears the double action of voltage, electric current, sometimes also need to be in typing or carry out the verification experimental verification of the true load of equivalence before going into operation.
For this type object, because actual pilot system is limited at aspects such as capacity, loads, generally voltage, electric current can't be put on tested electrical equipment simultaneously.Utilize the electric system of operation to carry out experiment work, be limited by the restriction of boundary condition and to the stable requirement of system, obviously not a kind of good mode, adopt large power supply, heavy load, and to seal in tested electrical equipment be a kind of test method, but the testing equipment weight that integral body requires is large, investment is large, portability is poor, and cost performance is not high.
For the operation characteristic of the electrical equipments such as switch, wire, current transformer, cable and the characteristics of experimental study, in some cases, because self load of equipment is very light, can consider large electric current producing method and voltage applying mode combination with routine, use more small and exquisite testing equipment to realize the voltage of the tested electrical equipment of underload, electric current stack, reach effective equivalence, efficiently convenient, so that the mode, the Research Characteristics that method more adapts to the laboratory of research, overall price/performance ratio is higher.
Utilizing induction mode to realize that short circuit seals in the output of the hundreds and thousands of amperes of level electric currents of wire, cable, current transformer of current lifting device, is present general a kind of mode.The voltage resistance test generally is the metal part that test specimen bears high pressure directly to be linked to each other with trial voltage be achieved.Because the characteristics such as the tested electrical equipments such as switch, wire, current transformer, cable exist center conductor directly to link to each other, equivalent load is lighter, can consider to utilize the equipment of voltage isolation, such as sleeve pipe, insert current lifting device inductive coil cavity, the voltage that the smooth induction of realization short circuit metallic conductor electric current and short-circuit conductor apply is by sleeve pipe and be in earthy current lifting device isolation, and then reaches the purpose for some electrical equipment voltage, electric current stack.But the angle from practical application, take high performance-price ratio as benchmark, the limited characteristics of combining induction current lifting device coil bore body aperture, utilize the cut cable of the prefabricated cable terminal formation of single-phase large through-current capability, can better realize the purpose of the isolation of Low ESR, voltage, electric current induction, be a kind of design of more practical and higher price-performance ratio.
In addition, based on the research of through-flow heating, generally all require power-supply device to possess the long-time running ability, and effective measurement of the temperature parameters of heat correspondence, must to consider.Based on the charged characteristics of the metallic(return) circuit of through-flow electrical equipment, present wireless temperature measurement mode can well solve.But the design of the aforementioned voltage of mentioning, electric current, temperature complete equipment, manufacturing and on probation are carried out less at present.
Based on above-mentioned situation and present situation, propose a kind of voltage, electric current stack power supply complete equipment thinking of cut cable isolation, and be achieved by technological means, to solve the practical problems of running into when field experiment is studied.
Summary of the invention
The stack experiment power supply of voltage, electric current is when carrying out detection research for the electrical equipment of some type, more actual demand is arranged, because the existence of electric current, the monitoring of temperature also must be considered, the utility model is from application point, modularization setting, integrated voltage, the electric current stack power supply complete equipment of controlling, realizing effectively isolation by cut cable have been proposed, the any layout that comprises temperature point, and voltage, electric current controlled monitoring integrated design with temperature at a panel.
The utility model is realized by following technical proposal.
A kind of voltage of cut cable isolation, electric current stack power supply complete equipment, the utility model comprises the mobile trolley 8 and the supporting seat 1 that is positioned on the mobile trolley with universal wheel 9; Place pressure regulator 3 below supporting seat 1, current lifting device 2 is placed in the top; Two ends on mobile trolley are fixed with supporting insulator 7; Between supporting insulator 7 and induction type current lifting device 2, be symmetrically arranged with the cut cable that is consisted of by cable 6, stress cone joint 5, prefabricated cable terminal 4; Cut cable passes the current lifting device sensing hole, and passes through supporting insulator 7, the supporting seat 1 at two ends; Be provided with the preposition sensor 10 of wireless temperature at cut cable; The preposition sensor 10 of wireless temperature is separately positioned on stress cone joint 5, current lifting device 2 appearances, pressure regulator 3 appearances of end-fitting 11, cable 6 appearances, cable and the terminal of cable termination.
The utility model is provided with the operation of voltage source and controls 15, the operation of current source and control 16, monitoring temperature and operator's console power supply control 17, and the distant place voltage of 8 four formations of external pelivimetry port one, Current Control operation and temperature monitoring unified platform 14.
The beneficial effects of the utility model are, self load of equipment is very light, can be with large electric current producing method and the voltage applying mode combination of routine, use more small and exquisite testing equipment to realize the voltage of the tested electrical equipment of underload, electric current stack, reach effective equivalence, efficiently convenient, so that the mode, the Research Characteristics that method more adapts to the laboratory of research, overall price/performance ratio is higher.
Further set forth the utility model content below in conjunction with accompanying drawing and example.
Description of drawings
Fig. 1 is the utility model primary structure schematic diagram;
Fig. 2 is the structure diagram of through-flow test product;
Fig. 3 is a distant place of the present utility model voltage, Current Control operation and temperature monitoring unified platform schematic diagram.
Among the figure: 1, supporting seat; 2, induction type current lifting device; 3, the supporting pressure regulator of current lifting device; 4, prefabricated cable terminal; 5, the stress cone joint of cable and terminal; 6, cable; 7, supporting insulator; 8, mobile trolley; 9, brake type universal wheel; 10, the preposition sensor of wireless temperature; 11, the end-fitting of cable termination; 12, through-flow test product; 13, through-flow outlet terminal; 14, voltage, electric current are controlled and the monitoring temperature platform; 15, the operation of voltage source and control; 16, the operation of current source and control; 17, monitoring temperature and operator's console power supply control; 18, external pelivimetry port; 19, the input of the pressure regulator of voltage source and transformer are inputted two groups of switch closing operation buttons; 20, pressure regulation operating handle; 21, the input of the pressure regulator of voltage source and transformer are inputted two groups of switch minute action buttons; 22, the emergent stopping action button of voltage source; 23, each site voltage of voltage source system and electric current Displaying Meter; 24, the input of the pressure regulator of current source and current lifting device are inputted two groups of switch closing operation buttons; 25, transfer the flow operation handle; 26, the input of the pressure regulator of current source and current lifting device are inputted two groups of switch minute action buttons; 27, the emergent stopping action button of current source; 28, each site voltage of current source system and electric current Displaying Meter; 29, the action button of control desk power supply deciliter; 30, wireless temperature monitoring backstage; 31, voltage measurement signal extracts port; 32, current measurement signal extracts port; 33, external power supply port.
Embodiment
A kind of voltage of cut cable isolation, electric current stack power supply complete equipment, the utility model comprises the mobile trolley 8 and the supporting seat 1 that is positioned on the mobile trolley with universal wheel 9; Place pressure regulator 3 below supporting seat 1, current lifting device 2 is placed in the top; Two ends on mobile trolley are fixed with supporting insulator 7; Between supporting insulator 7 and induction type current lifting device 2, be symmetrically arranged with the cut cable that is consisted of by cable 6, stress cone joint 5, prefabricated cable terminal 4; Cut cable passes the current lifting device sensing hole, and passes through supporting insulator 7, the supporting seat 1 at two ends; Be provided with the preposition sensor 10 of wireless temperature at cut cable; The preposition sensor 10 of wireless temperature is separately positioned on stress cone joint 5, current lifting device 2 appearances, pressure regulator 3 appearances of end-fitting 11, cable 6 appearances, cable and the terminal of cable termination.
The utility model is provided with the operation of voltage source and controls 15, the operation of current source and control 16, monitoring temperature and operator's console power supply control 17, and the distant place voltage of 8 four formations of external pelivimetry port one, Current Control operation and temperature monitoring unified platform 14.
See Fig. 1, the figure shows power supply complete equipment primary structure schematic diagram.Be furnished with supporting seat 1 on the mobile trolley 8 that brake type universal wheel 9 supports among the figure, the above places induction type current lifting device 2, the below places pressure regulator 3, both sides are furnished with supporting insulator 7, the cut cable that the prefabricated cable terminal 4 that is connected through stress cone joint 5 by cable 6 and two ends thereof consists of passes the current lifting device sensing hole, and the supporting seat 1 by two end supports insulator 7, current lifting device, realize that integral body is arranged in parallel.The test product object such as through-flow objects such as switch, wire, current transformer, cables, is linked into the end-fitting 11 of both sides cable termination, so that the short circuit of whole through-flow loop is closed.Preposition sensor 10 positions of wireless temperature are placed as required: it can be installed in charged through-flow position, such as wire, current transformer joint, through-flow metallic(return) circuit joint; Also can be installed in the shell of equipment, with the temperature rise situation of watch-dog under through-flow, charged for a long time; Be arranged in stress cone joint 5, current lifting device 2 appearances, pressure regulator 3 appearances of end-fitting 11, cable 6 appearances, cable and the terminal of cable termination such as the preposition sensor 10 of wireless temperature among the figure.
See Fig. 2, the figure shows the structure diagram of through-flow test product.12 is through-flow test product among the figure, and it can be the body insulation against ground, such as TA, switch, cable etc., also can be that body is on-insulated over the ground, such as bare conductor, metal guide rod etc.13 is through-flow outlet terminal, and it can directly or via one section transition conductor link to each other with the both sides cable termination end-fitting 11 of Fig. 1 device, to consist of through-flow required closed-loop path.
See Fig. 3, the figure shows distant place voltage, Current Control operation and the temperature monitoring unified platform schematic diagram of power supply complete equipment.Among the figure 14 for voltage, electric current is controlled and the monitoring temperature platform, by the operation of voltage source with control 15, the operation of current source and control 16, monitoring temperature and operator's console power supply control 17, and 8 four formations of external pelivimetry port one.The operation of voltage source and control 15 and relate to: power supply to the switch of pressure regulator input closes the switch that exports the transformer input to pressure regulator and closes two groups of action buttons 19, pressure regulation operating handle 20, power supply to the switch of pressure regulator input divides the switch that exports the transformer input to pressure regulator to divide two groups of action buttons 21, what emergent stopping action button 22 was used for automatically performing when unusual the function of two groups of action buttons 21 and pressure regulation operating handle 20 is depressurized to the zero-bit function, and each site voltage of voltage source system, electric current Displaying Meter 23.The operation of current source and control 16 and relate to: power supply to the switch of pressure regulator input closes the switch that exports the transformer input to pressure regulator and closes two groups of action buttons 24, accent flow operation handle 25 by pressure regulation and then control curent change, power supply to the switch of pressure regulator input divides the switch that exports the transformer input to pressure regulator to divide two groups of action buttons 26, emergent stopping action button 27 is used for automatically performing the function of two groups of action buttons 26 and transferring falling of flow operation handle 25 to flow to the zero-bit function when unusual, and each site voltage of current source system, electric current Displaying Meter 28.Monitoring temperature and operator's console power supply control 17 relates to: action button 29 and the monitoring temperature screen 30 of control desk power supply deciliter.Platform 14 also is provided with voltage measurement signal and extracts the external pelivimetry port one 8 that port 31, current measurement signal extraction port 32 and external power supply port 33 consist of.
Claims (1)
1. the voltage of cut cable isolation, electric current stack power supply complete equipment is characterized in that: comprise the mobile trolley (8) of band universal wheel (9) and be positioned at supporting seat (1) on the mobile trolley; Pressure regulator (3) is placed in below at supporting seat (1), and current lifting device (2) is placed in the top; Two ends on mobile trolley are fixed with supporting insulator (7); Between supporting insulator (7) and induction type current lifting device (2), be symmetrically arranged with the cut cable that is consisted of by cable (6), stress cone joint (5), prefabricated cable terminal (4); Cut cable passes the current lifting device sensing hole, and supporting insulator (7), supporting seat (1) by two ends; Be provided with the preposition sensor of wireless temperature (10) at cut cable; The preposition sensor of wireless temperature (10) is separately positioned on stress cone joint (5), current lifting device (2) appearance, pressure regulator (3) appearance of end-fitting (11), cable (6) appearance, cable and the terminal of cable termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354791 CN202693641U (en) | 2012-07-20 | 2012-07-20 | Voltage and current superposed complete power supply device isolated by cable section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220354791 CN202693641U (en) | 2012-07-20 | 2012-07-20 | Voltage and current superposed complete power supply device isolated by cable section |
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| Publication Number | Publication Date |
|---|---|
| CN202693641U true CN202693641U (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220354791 Expired - Lifetime CN202693641U (en) | 2012-07-20 | 2012-07-20 | Voltage and current superposed complete power supply device isolated by cable section |
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| CN (1) | CN202693641U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323700A (en) * | 2013-05-24 | 2013-09-25 | 国家电网公司 | High-temperature superconducting cable alternating current tolerance testing system and method |
| CN109406969A (en) * | 2018-12-04 | 2019-03-01 | 西安交通大学 | A kind of air insulating device high-voltage great-current Combined Trials system |
-
2012
- 2012-07-20 CN CN 201220354791 patent/CN202693641U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323700A (en) * | 2013-05-24 | 2013-09-25 | 国家电网公司 | High-temperature superconducting cable alternating current tolerance testing system and method |
| CN103323700B (en) * | 2013-05-24 | 2016-01-20 | 国家电网公司 | A kind of high-temperature superconductive cable exchanges resistance test system and test method thereof |
| CN109406969A (en) * | 2018-12-04 | 2019-03-01 | 西安交通大学 | A kind of air insulating device high-voltage great-current Combined Trials system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |