CN103217660B - Safety adjustable-pressure power supply is used in a kind of ct calibrating test - Google Patents
Safety adjustable-pressure power supply is used in a kind of ct calibrating test Download PDFInfo
- Publication number
- CN103217660B CN103217660B CN201310107979.8A CN201310107979A CN103217660B CN 103217660 B CN103217660 B CN 103217660B CN 201310107979 A CN201310107979 A CN 201310107979A CN 103217660 B CN103217660 B CN 103217660B
- Authority
- CN
- China
- Prior art keywords
- contactor
- power supply
- calibrating
- isolating transformer
- mutual
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 238000002474 experimental method Methods 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to a kind of ct calibrating test safety adjustable-pressure power supply, be connected with mutual-inductor tester, this voltage controller power source comprises isolating transformer, pressure regulation experiment power supply, supply monitor, leakage guarantor air switch, A.C. contactor and anxious stop controller, described pressure regulation experiment power supply connects A.C. contactor, supply monitor and mutual-inductor tester respectively, described leakage is protected air switch and is connected isolating transformer and A.C. contactor respectively, and described A.C. contactor is connected with anxious stop controller.Compared with prior art, the present invention have safe and reliable, be conducive to improving the advantage such as check accuracy test.
Description
Technical field
The present invention relates to a kind of mutual inductor test servicing unit, especially relate to a kind of ct calibrating test safety adjustable-pressure power supply.
Background technology
In recent years, along with society improves constantly the requirement of power supply quality, electric power improvement project is increasing, and the demand of mutual inductor also increases year by year.Each mutual inductor all need by calibrating first and periodic calibration qualified after could normal use.Therefore testing laboratory's calibration operation of mutual inductor is very heavy, and only low-voltage current mutual inductor one just has 100,000 needs calibratings nearly every year.Existing warehouse style measurement verification car achieves and equipment is transported to on-the-spot target at a distance, alleviates the labour intensity of mutual inductor Measurement Verification Work to a certain extent.Along with the application of vehicular inspection machine, also more and more higher to the requirement of vehicle power, in order to meet the demand of power equipment Electrical Safety, need design safety reliable and the simple power circuit of structure.It is the power supply producing high pressure that pressure regulator power supply in mutual inductor test exports, and its control and protection system directly affects site test safety, and its regulable control mode directly affects adopts an accuracy.
Summary of the invention
Object of the present invention be exactly provide to overcome defect that above-mentioned prior art exists a kind of safe and reliable, be conducive to improving the ct calibrating test safety adjustable-pressure power supply of check accuracy test.
Object of the present invention can be achieved through the following technical solutions:
Safety adjustable-pressure power supply is used in a kind of ct calibrating test, be connected with mutual-inductor tester, this voltage controller power source comprises isolating transformer, pressure regulation experiment power supply, supply monitor, leakage guarantor air switch, A.C. contactor and anxious stop controller, described pressure regulation experiment power supply connects A.C. contactor, supply monitor and mutual-inductor tester respectively, described leakage is protected air switch and is connected isolating transformer and A.C. contactor respectively, and described A.C. contactor is connected with anxious stop controller.
Described isolating transformer is 380V/220V isolating transformer, exports 220V power supply.
Described supply monitor is connected with the industrial computer tested for mutual inductor, and monitoring data is transferred to industrial computer.
Described pressure regulation experiment power supply is also connected with the first contactor and the second contactor, and the voltage test unit that the first described contactor and ct calibrating are tested is connected, and the current testing unit that the second described contactor and ct calibrating are tested is connected.
Compared with prior art, the present invention has multi-stage protection measure, and power supply exports to have to leak protects air switch and A.C. contactor two-stage cut-off point, ensures safe and effective power-off, safe and reliable, be conducive to improving check accuracy test.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.The present embodiment is implemented premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, safety adjustable-pressure power supply is used in a kind of ct calibrating test, be connected with mutual-inductor tester 9, this voltage controller power source comprises isolating transformer 2, pressure regulation experiment power supply 1, supply monitor 4, leaks and protect air switch 3, A.C. contactor 5 and anxious stop controller 6, described pressure regulation experiment power supply 1 connects A.C. contactor 5, supply monitor 4 and mutual-inductor tester 9 respectively, described leakage is protected air switch 3 and is connected isolating transformer 2 and A.C. contactor 5 respectively, and described A.C. contactor 5 is connected with anxious stop controller 6.Described isolating transformer 2 is 380V/220V isolating transformer, exports 220V power supply.Described supply monitor 4 is connected with the industrial computer tested for mutual inductor, and monitoring data is transferred to industrial computer.
Described pressure regulation experiment power supply 1 is also connected with the first contactor 7 and the second contactor 8, and the first described contactor 7 is connected with the voltage test unit that ct calibrating is tested, and the second described contactor 8 is connected with the current testing unit that ct calibrating is tested.
Above-mentioned ct calibrating test safety adjustable-pressure power supply has multi-stage protection measure, and power supply exports free opening and A.C. contactor two-stage cut-off point, ensures safe and effective power-off.This power supply is controlled by safety warning system, protection system to earth, overcurrent protection etc. in ct calibrating test.
Claims (2)
1. safety adjustable-pressure power supply is used in a ct calibrating test, be connected with mutual-inductor tester, it is characterized in that, this voltage controller power source comprises isolating transformer, pressure regulation experiment power supply, supply monitor, leakage guarantor air switch, A.C. contactor and anxious stop controller, described pressure regulation experiment power supply connects A.C. contactor, supply monitor and mutual-inductor tester respectively, described leakage is protected air switch and is connected isolating transformer and A.C. contactor respectively, and described A.C. contactor is connected with anxious stop controller; Described supply monitor is connected with the industrial computer tested for mutual inductor, and monitoring data is transferred to industrial computer; Described pressure regulation experiment power supply is also connected with the first contactor and the second contactor, and the voltage test unit that the first described contactor and ct calibrating are tested is connected, and the current testing unit that the second described contactor and ct calibrating are tested is connected.
2. a kind of ct calibrating test safety adjustable-pressure power supply according to claim 1, it is characterized in that, described isolating transformer is 380V/220V isolating transformer, exports 220V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310107979.8A CN103217660B (en) | 2013-03-29 | 2013-03-29 | Safety adjustable-pressure power supply is used in a kind of ct calibrating test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310107979.8A CN103217660B (en) | 2013-03-29 | 2013-03-29 | Safety adjustable-pressure power supply is used in a kind of ct calibrating test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103217660A CN103217660A (en) | 2013-07-24 |
| CN103217660B true CN103217660B (en) | 2016-01-13 |
Family
ID=48815618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310107979.8A Active CN103217660B (en) | 2013-03-29 | 2013-03-29 | Safety adjustable-pressure power supply is used in a kind of ct calibrating test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103217660B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675371A (en) * | 2013-12-09 | 2014-03-26 | 苏州泰思特电子科技有限公司 | Voltage change generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257257Y (en) * | 1995-09-01 | 1997-07-02 | 清华大学 | Fully automatic charger for electric vehicle |
| CN201173958Y (en) * | 2008-03-31 | 2008-12-31 | 中国第一冶金建设有限责任公司 | Testing transformer pressure regulating control device |
| CN202126794U (en) * | 2011-03-30 | 2012-01-25 | 桂林电子科技大学 | Open-type numerically-controlled machine tool experimental platform |
| CN203178467U (en) * | 2013-03-29 | 2013-09-04 | 国家电网公司 | Voltage controlled power supply for mutual inductor calibration test |
-
2013
- 2013-03-29 CN CN201310107979.8A patent/CN103217660B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257257Y (en) * | 1995-09-01 | 1997-07-02 | 清华大学 | Fully automatic charger for electric vehicle |
| CN201173958Y (en) * | 2008-03-31 | 2008-12-31 | 中国第一冶金建设有限责任公司 | Testing transformer pressure regulating control device |
| CN202126794U (en) * | 2011-03-30 | 2012-01-25 | 桂林电子科技大学 | Open-type numerically-controlled machine tool experimental platform |
| CN203178467U (en) * | 2013-03-29 | 2013-09-04 | 国家电网公司 | Voltage controlled power supply for mutual inductor calibration test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103217660A (en) | 2013-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202994931U (en) | Lightning arrester state monitoring device based on wireless sensing technology | |
| CN104183088A (en) | High-voltage induction warning indicator | |
| WO2012097596A1 (en) | Temperature rise testing system of electric vehicle conduction type charging interface | |
| CN202948129U (en) | Tester for voltage withstanding test apparatus of electric energy meter | |
| CN103217660B (en) | Safety adjustable-pressure power supply is used in a kind of ct calibrating test | |
| CN109581208A (en) | High-voltage circuitbreaker auxiliary contact and the intelligent detection device of circuit detection | |
| CN203705609U (en) | High-voltage circuit breaker intelligent detection device | |
| CN205139349U (en) | Arrester discharge counter and leakage current table check gauge | |
| CN204086435U (en) | A kind of microcomputer relay protection tester | |
| CN203178467U (en) | Voltage controlled power supply for mutual inductor calibration test | |
| CN203037778U (en) | Test system for battery management system | |
| CN105467218A (en) | Contact resistance testing method of circuit breaker used for short-circuit protection | |
| CN102495273B (en) | Single current transformer (CT) input dual-precision sampling measuring and protecting integrated device | |
| CN204101663U (en) | Lightning arrester with electrical testing meter | |
| CN201993464U (en) | Intelligent detector for electric energy meter | |
| CN204269730U (en) | A kind of Insulation Resistance Tester | |
| CN103616586A (en) | Low-voltage insulation and temperature detection device | |
| CN204103927U (en) | Radio station fault comprehensive detection system | |
| CN201273929Y (en) | Test instrument for wire grounding failure | |
| CN203870467U (en) | Transformer temperature controller check meter | |
| CN105572489A (en) | Live-line tester for lightning arrester | |
| CN103605040A (en) | GIS-equipment built-in lightning-arrester alternating current leakage current test method | |
| CN105406725A (en) | Current source apparatus for high-voltage switch cabinet temperature rise test | |
| CN103559992A (en) | Power transformer | |
| CN204305220U (en) | A kind of mobile visor for high-voltage test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |