CN206193220U - Be situated between and decrease etalon - Google Patents

Be situated between and decrease etalon Download PDF

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Publication number
CN206193220U
CN206193220U CN201621160818.0U CN201621160818U CN206193220U CN 206193220 U CN206193220 U CN 206193220U CN 201621160818 U CN201621160818 U CN 201621160818U CN 206193220 U CN206193220 U CN 206193220U
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China
Prior art keywords
unit
control unit
dielectric loss
terminals
step resistance
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CN201621160818.0U
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Chinese (zh)
Inventor
吕泽承
张炜
吴秋莉
邬蓉蓉
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Electric Power Research Institute of Guangxi Power Grid Co Ltd
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Electric Power Research Institute of Guangxi Power Grid Co Ltd
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Priority to CN201621160818.0U priority Critical patent/CN206193220U/en
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Abstract

The utility model discloses a be situated between and decrease etalon relates to electric power industry jie and decreases the calibration device field, mainly constitutes by high -voltage connection end, standard capacitor, stepping resistance unit, cx wiring end, gear the control unit, central the control unit, display element, wireless transmit and receive unit, electrical unit and remote controller etc. The utility model discloses a gearshift operation is carried out to be situated between and decrease etalon to the mode of remote control, and after having connect the line according to positive connection or opposition method, validation process need not operate the be situated between and decrease etalon gear shift back and forth, as long as carry out remote control through special remote controller, can accomplish the switching of gear, improves check -up personnel's work efficiency, avoids the repeated operation of unnecessary.

Description

A kind of dielectric loss standard
Technical field
The utility model is related to power industry dielectric loss calibration equipment field, more particularly to a kind of dielectric loss standard.
Background technology
Dielectric loss measurement instrument is the conventional tester of power equipment test, and it is to ensure that its is accurate periodically to carry out verification to it The important means of degree.Before conventional dielectric loss standard by the way of hand shift, due to being the verification of Hi-pot test instrument, After having verified a point, dielectric loss measurement instrument is shut down, cut off the electricity supply, discharged and after high-pressure side hangs up properly ground wire, verify people The high-potting area that member could go to placement dielectric loss standard from Instrumentation Operating Areas carries out gear-change operation, gear shift to dielectric loss standard After the completion of return to operating space, remove high-pressure side ground wire, after reclosing power supply, after starting to switching in the same way new one Gear is verified.Whole verifying work will complete more than 20 checkpoint, and verification personnel walk up and down switching gear, operating efficiency It is not high, and due to being multi-pass operation, it is also possible to there is the possibility of maloperation.
The content of the invention
In order to solve the above problems, the utility model provides a kind of dielectric loss standard.
The utility model solve above-mentioned technical problem technical scheme be:
A kind of dielectric loss standard, including high-voltage terminal, standard capacitor, step resistance unit, Cx terminals, its feature It is:Described standard capacitor one end is connected with the high-voltage terminal, and the other end connects with the step resistance unit first Line end is connected, and the terminals of step resistance unit second are connected with the Cx terminals, the step resistance unit Three terminals are connected with the output end of speed control unit, input and the central control unit of the speed control unit First interface is connected, and the second interface of the central control unit is connected with display unit, the central control unit 3rd interface is connected with wireless transmit/receive units, and the power interface of the central control unit is connected with power subsystem, described Power subsystem power interface also respectively with the step resistance unit, the power interface of display unit, wireless transmit/receive units Power interface is connected, and the wireless transmit/receive units are in communication with each other by radio signal with remote control.
Preferably, the standard capacitor selects SF6 standard capacitors.
Preferably, the step resistance unit is main by resistor and relay group into, the contact of the relay and institute State capacitor in parallel and constitute a stepping subelement, each stepping subelement is sequentially connected in series the step resistance unit again.
Preferably, the speed control unit is mainly made up of CPLD, is sent for receiving the central control unit Signal and process then output so as to control the relay in the step resistance unit.
Preferably, the central control unit is mainly made up of dsp chip.
Preferably, the display unit uses liquid crystal display.
Preferably, the power subsystem includes aluminum cell and charging circuit, for providing electricity to the unit in system Energy.
Preferably, the wireless transmit/receive units are 2.4G wireless communication modules.
Preferably, the standard capacitor, step resistance unit, Cx terminals, speed control unit, center control are single Unit, wireless transmit/receive units, power subsystem are all sealed in cabinet.
Further, the cabinet top is provided with pressure cylinder high, and high-voltage terminal is provided with above the pressure cylinder high, described Display unit is provided with cabinet, the cabinet front is additionally provided with shielding end and Cx terminals, and the cabinet lower section is provided with Insulation column.
The utility model carries out gear-change operation by the way of remote control to dielectric loss standard, is connect when by positive connection or opposition method After good line, checking procedure operates dielectric loss standard gear shift without carrying out to and fro, as long as being remotely controlled behaviour by dedicated remote control Make, you can complete the switching of gear, improve the operating efficiency of verification personnel, it is to avoid unnecessary repeats.
Brief description of the drawings
Fig. 1 is the system structure diagram of the utility model embodiment;
Fig. 2 is the surface structure schematic diagram of the utility model embodiment;
Fig. 3 is the positive connection schematic diagram of the utility model embodiment;
The opposition method schematic diagram of Fig. 4 the utility model embodiments.
Specific embodiment
Make further detailed annotation to the utility model embodiment below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of dielectric loss standard, including high-voltage terminal 101, standard capacitor 102, step resistance unit 103rd, Cx terminals 104, one end of standard capacitor 102 is connected with high-voltage terminal 101, the other end and step resistance unit 103 first terminals are connected, and the terminals of step resistance unit 103 second are connected with Cx terminals 104, step resistance unit 103 the 3rd terminals are connected with the output end of speed control unit 105, and input and the center of speed control unit 105 are controlled The first interface of unit processed 106 is connected, and the second interface of central control unit 106 is connected with display unit 107, center control 3rd interface of unit processed 106 is connected with wireless transmit/receive units 108, power interface and the power supply list of central control unit 106 Unit 109 is connected, and the power interface also respectively with step resistance unit 103 of power subsystem 109, the power supply of display unit 107 connect Mouth, the power interface of wireless transmit/receive units 108 are connected, and wireless transmit/receive units 108 are mutual with remote control 3 by radio signal Communication;Wherein, standard capacitor 102 selects SF6 standard capacitors;Step resistance unit 103 is main by resistor and relay Composition, the contact of relay constitutes a stepping subelement with the capacitor in parallel, and each stepping subelement is sequentially connected in series again Constitute the step resistance unit 103;Speed control unit 105 is mainly made up of CPLD, for receiving central control unit 106 The signal for sending and treatment and then output are so as to control the relay in step resistance unit 103;Central control unit 106 is led To be made up of dsp chip;Display unit 107 uses liquid crystal display;Power subsystem 109 includes aluminum cell and charging circuit, uses Unit in system provides electric energy;Wireless transmit/receive units 108 are 2.4G wireless communication modules;Standard capacitor 102, Step resistance unit 103, Cx terminals 104, speed control unit 105, central control unit 106, wireless transmit/receive units, power supply Unit 109 is all sealed in cabinet 201;As shown in Fig. 2 the top of cabinet 201 is provided with pressure cylinder high 202, the top of pressure cylinder high 202 High-voltage terminal 101 is provided with, the front middle position of cabinet 201 is provided with display unit 107, and the front of cabinet 201 is additionally provided with Shielding end 204 and Cx terminals 104, the lower section of cabinet 201 are provided with insulation column 203, and it is 15KV that its is pressure-resistant.
In the present embodiment, it is 100pF to use standard capacitance nominal value, and dielectric loss standard value is 0.000%;Dielectric loss measurement scope: 0.0005%~15.00%(Totally 35 gears)Respectively:0000%、0.005% 、 0.010% 、 0.020%、0.030%、 0.040%、0.050%、0.060%、0.070%、0.080%、0.090%、0.100%、0.200%、0.300%、0.400%、0.500%、 0.600% 、0.700%、0.800%、0.900%、1.000%、2.000%、3.000%、4.000%、5.000%、6.000%、 7.000%、8.000%、9.000%、10.00% 、11.000%、12.000%、13.000%、14.000%、15.000%;When using, Different gear switch purposes can be carried out by remote controller 3, simultaneity factor shows corresponding number on display unit 107 According to allow verification personnel to be able to record that and to confirm.As shown in figure 3, being the positive connection of the utility model embodiment, Fig. 4 is this reality Use new embodiment opposition method.
The utility model carries out gear-change operation by the way of remote control to dielectric loss standard, is connect when by positive connection or opposition method After good line, checking procedure operates dielectric loss standard gear shift without carrying out to and fro, as long as being remotely controlled behaviour by dedicated remote control Make, you can complete the switching of gear, improve the operating efficiency of verification personnel, it is to avoid unnecessary repeats.

Claims (10)

1. a kind of dielectric loss standard, including high-voltage terminal(101), standard capacitor(102), step resistance unit(103)、Cx Terminals(104), it is characterised in that:The standard capacitor(102)One end and the high-voltage terminal(101)It is connected, separately One end and the step resistance unit(103)First terminals are connected, the step resistance unit(103)Second terminals with The Cx terminals(104)It is connected, the step resistance unit(103)3rd terminals and speed control unit(105)'s Output end is connected, the speed control unit(105)Input and central control unit(106)First interface be connected Connect, the central control unit(106)Second interface and display unit(107)It is connected, the central control unit(106) The 3rd interface and wireless transmit/receive units(108)It is connected, the central control unit(106)Power interface and power subsystem (109)It is connected, the power subsystem(109)Also respectively with the step resistance unit(103)Power interface, display unit (107)Power interface, wireless transmit/receive units(108)Power interface be connected, the wireless transmit/receive units(108)By nothing Line electric signal and remote control(3)It is in communication with each other.
2. dielectric loss standard according to claim 1, it is characterised in that:The standard capacitor(102)From SF6 standards Capacitor.
3. dielectric loss standard according to claim 1, it is characterised in that:The step resistance unit(103)Mainly by electricity Resistance device and relay group are into the contact of the relay constitutes a stepping subelement, each stepping with the capacitor in parallel Subelement is sequentially connected in series the step resistance unit again(103).
4. dielectric loss standard according to claim 1, it is characterised in that:The speed control unit(105)It is main by CPLD is constituted, for receiving the central control unit(106)The signal that sends simultaneously is processed and then output is described so as to control Step resistance unit(103)Interior relay.
5. dielectric loss standard according to claim 1, it is characterised in that:The central control unit(106)Mainly by DSP Chip is constituted.
6. dielectric loss standard according to claim 1, it is characterised in that:The display unit(107)Using liquid crystal display Device.
7. dielectric loss standard according to claim 1, it is characterised in that:The power subsystem(109)Including aluminum cell and Charging circuit, for providing electric energy to the unit in system.
8. dielectric loss standard according to claim 1, it is characterised in that:The wireless transmit/receive units(108)For 2.4G without Line communication module.
9. dielectric loss standard according to claim 1, it is characterised in that:The standard capacitor(102), step resistance list Unit(103), Cx terminals(104), speed control unit(105), central control unit(106), wireless transmit/receive units, power supply list Unit(109)All it is sealed in cabinet(201)It is interior.
10. dielectric loss standard according to claim 9, it is characterised in that:The cabinet(201)Top is provided with pressure cylinder high (202), the pressure cylinder high(202)Top be provided with high-voltage terminal(101), the cabinet(201)On to be provided with display single Unit(107), the cabinet(201)Front is additionally provided with shielding end(204)With Cx terminals(104), the cabinet(201)Lower section It is provided with insulation column(203).
CN201621160818.0U 2016-10-24 2016-10-24 Be situated between and decrease etalon Active CN206193220U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621160818.0U CN206193220U (en) 2016-10-24 2016-10-24 Be situated between and decrease etalon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621160818.0U CN206193220U (en) 2016-10-24 2016-10-24 Be situated between and decrease etalon

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621573A (en) * 2017-08-11 2018-01-23 广西电网有限责任公司电力科学研究院 A kind of dielectric dissipation factor standard of high stability

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621573A (en) * 2017-08-11 2018-01-23 广西电网有限责任公司电力科学研究院 A kind of dielectric dissipation factor standard of high stability

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