CN201828657U - Device for detecting wiring simulation of power transformer - Google Patents
Device for detecting wiring simulation of power transformer Download PDFInfo
- Publication number
- CN201828657U CN201828657U CN2010205423762U CN201020542376U CN201828657U CN 201828657 U CN201828657 U CN 201828657U CN 2010205423762 U CN2010205423762 U CN 2010205423762U CN 201020542376 U CN201020542376 U CN 201020542376U CN 201828657 U CN201828657 U CN 201828657U
- Authority
- CN
- China
- Prior art keywords
- switch
- controllable
- transformer
- switcher
- mutual inductor
- 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.)
- Expired - Lifetime
Links
- 238000004088 simulation Methods 0.000 title abstract description 9
- 238000012549 training Methods 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000012795 verification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a device for detecting the wiring simulation of a power transformer and relates to a detection technology of the power transformer. The device comprises a personal computer (PC), a controllable operation box, a controllable booster, controllable voltage transformer standard, a controllable voltage transformer subject, a controller, a controllable checking instrument, a controllable current transformer subject, controllable current transformer standard and a controllable current booster, wherein the PC is connected with the controller by a universal serial bus (USB) port; the controller is respectively connected with a first switcher, a second switcher, a third switcher, a fourth switcher, a sixth switcher, a seventh switcher, an eight switcher and a ninth switcher which are sequentially and closely connected from the head to the tail by a control bus; and the third switcher and the eight switcher are respectively connected with the sixth switcher. The device is suitable for various training bases and electric power schools in electrical power systems to train and assess the field inspection technologies of mutual inductors, which are grasped by trainees.
Description
Technical field
The utility model relates to a kind of electric power mutual-inductor calibrating technology, particularly a kind of electric power mutual-inductor calibrating wiring analogue means.
Background technology
At present, domesticly be engaged in that the electric energy metering verification flow of personnel is big, the renewal of knowledge is slow, professional knowledge and working level be uneven, the inter-disciplinary talent is on the low side.Simultaneously, provide good measurement technology to support for building a resource-conserving society, guarantee the electric energy transmission of quantity value accurately, one make peace reliably, must improve electric energy metering verification personnel's professional qualities and professional skill working level conscientiously.
Be with mode such as a training and examination to have significant limitation at electric power mutual-inductor testing person's centralized training, Demonstrator Trials, written exam and master and apprentice one, the on-site training chance is on the low side in the past, and the trainee is difficult to reach the practical application level of skill by training.Therefore need a kind of simple and high-efficient of innovation and, remedy the deficiency of training in the past and examining mode closely in conjunction with actual training and examination means.
The problem of the electric power mutual-inductor Training Methodology maximum of integrating theory with practice at present, is simulation and the control that the scene is detected as complete equipment.Current, the main design philosophy of deviser rests on the simulation to mutual inductor on site checkout equipment secondary connection mostly, and this mainly is because high voltage that primary equipment boosts and up-flow produces afterwards and high electric current can produce potential safety hazard to the person and equipment.Can't solve and to accomplish the combination of effective theory and practice, more can't simulate wiring electric power mutual-inductor to the simulation and the control of a whole set of mutual inductor checkout equipment.
Summary of the invention
At the problem and shortage that above-mentioned prior art means exist, the purpose of this utility model provides a kind of electric power mutual-inductor calibrating wiring analogue means.
By the utility model any first and second electric current and voltage of the on-the-spot detection system of aanalogvoltage mutual inductor summation current transformer fully, can allow operating personnel are real actual to start wiring.
The purpose of this utility model is achieved in that
This device is made up of two independent sectors, controllable voltage mutual inductor on site test section and controllable current mutual inductor on site test section.Wherein, voltage transformer (VT) partly comprises controllable operating case, controlled stepup transformer, controllable voltage mutual inductor standard, the tested and controlled tester of controllable voltage mutual inductor; Current transformer partly comprises controllable operating case, controlled current lifting device, controllable current mutual inductor standard, the tested and controlled tester of controllable current mutual inductor.For these two independent parts, controllable operating case and controlled tester are common sparing, can only use one of them part in the time of operation, and two parts can not be used simultaneously.
All controlled members in this device all are made up of traditional element and switch, as controlled stepup transformer by tradition boost, switch forms.Switch is made up of a plurality of single-pole double-throw (SPDT) relays.
Specifically, this device comprises that PC, controllable operating case, controlled stepup transformer, controllable voltage mutual inductor standard, controllable voltage mutual inductor are tested, controller, controlled tester, controllable current mutual inductor are tested, controllable current mutual inductor standard and controlled current lifting device;
The controllable operating case is made up of interconnective control box and the 1st switch;
Controlled stepup transformer is made up of interconnective stepup transformer and the 2nd switch;
Controllable voltage mutual inductor standard is made up of interconnective voltage transformer (VT) standard and the 3rd switch;
The controllable voltage mutual inductor tested by interconnective voltage transformer (VT) tested and the 4th switch form;
Controller is made up of wiring determining device, control module and power amplifier;
Controlled tester is made up of interconnective tester and the 6th switch;
The controllable current mutual inductor tested by interconnective current transformer tested and the 7th switch form;
Controllable current mutual inductor standard is made up of interconnective current transformer standard and the 8th switch;
Controlled current lifting device is made up of interconnective current lifting device and the 9th switch;
Its annexation is:
PC is connected with controller by the USB mouth;
Controller is connected with the 1st switch, the 2nd switch, the 3rd switch, the 4th switch, the 6th switch, the 7th switch, the 8th switch and the 9th switch that head and the tail closed loop successively are connected respectively by a control bus;
The 3rd switch is connected with the 6th switch respectively with the 8th switch.
The principle of work of this device:
This device is after starting, and PC carries out the parameter setting by connection, and the operator can at first select PC simulation wiring pattern, carries out the theoretical wiring of mutual inductor on computers.Under this pattern,, can go up machine wiring examination to the operator by the software extensions on the PC when theoretical wiring training enters certain phase.Can enter the actual wiring pattern of starting to theoretical wiring practician; Enter after the examination pattern, the student carries out physical cabling to the scene with mutual inductor testing apparatus, makes experimental data and is kept on the PC.Should be able to realize the marking examination after the PC software extensions.
Electric power mutual-inductor calibrating wiring simulation wiring determination methods (abbreviation method)
This method is a workbench with this device, comprises the following steps:
1. the operator puts the judgement connection terminal by the relay that controller is provided with switch inside, enters to judge the wiring pattern;
2. all judge the set of connection terminal logic level, the reset of experimental wiring terminal logic level to controller with relay;
3. operating personnel simulate wiring, and the wiring determining device of controller inside carries out automatic logic sampling;
4. the wiring determining device of controller inside changes the logic level state by being electrically connected between all terminals of sampling, and sends final logic level code, judges the information of connection terminal thus;
5. the information uploading that controller is collected is to PC, and the library file that detects software with PC compares, and shows the wiring correctness on software.
The utlity model has following advantage and good effect:
1. realize that two independently on-the-spot detection systems of voltage transformer (VT) summation current transformer are integrated;
2. by PC simulation wiring and practical operation are switched;
3. by PC to mutual inductor on site all wiring simulate connection;
4. PC can also carry out function expansion, realizes examination marking and host computer one-to-many control and the Long-distance Control to manipulator.
The utility model is applicable to each training base of electric system and training and the examination of each electric power school to student's mutual inductor on site detection technique.
Description of drawings
Fig. 1 is the structured flowchart (sketch) of this device;
Fig. 2 is the structured flowchart (detail drawing) of this device;
Fig. 3 is the utility model control examples figure;
Fig. 4 is that special machine detects software workflow figure.
Wherein:
The 000-PC machine;
100-controllable operating case,
The 110-control box, 120-the 1st switch;
The controlled stepup transformer of 200-,
The 210-stepup transformer, 220-the 2nd switch;
300-controllable voltage mutual inductor standard,
310-voltage transformer (VT) standard, 320-the 3rd switch;
400-controllable voltage mutual inductor is tested,
The 410-voltage transformer (VT) is tested, 420-the 4th switch;
The 500-controller
510-wiring determining device, 520-control module, 530-power amplifier;
The controlled tester of 600-
The 610-tester, 620-the 6th switch;
700-controllable current mutual inductor is tested,
The 710-current transformer is tested, 720-the 7th switch;
800-controllable current mutual inductor standard,
810-current transformer standard, 820-the 8th switch;
The controlled current lifting device of 900-,
The 910-current lifting device, 920-the 9th switch;
The C-control line.
Embodiment
Describe in detail below in conjunction with drawings and Examples
One, device
1, overall
As Fig. 1,2, this device comprises that PC 000, controllable operating case 100, controlled stepup transformer 200, controllable voltage mutual inductor standard 300, controllable voltage mutual inductor are tested 400, controller 500, controlled tester 600, controllable current mutual inductor are tested 700, controllable current mutual inductor standard 800 and controlled current lifting device 900;
Controlled stepup transformer 200 is made up of interconnective stepup transformer 210 and the 2nd switch 220;
Controllable voltage mutual inductor standard 300 is made up of interconnective voltage transformer (VT) standard 310 and the 3rd switch 320;
Controllable voltage mutual inductor tested 400 is made up of interconnective voltage transformer (VT) tested 410 and the 4th switch 420;
Controlled tester 600 is made up of interconnective tester 610 and the 6th switch 620;
Controllable current mutual inductor tested 700 is made up of interconnective current transformer tested 710 and the 7th switch 720;
Controllable current mutual inductor standard 800 is made up of interconnective current transformer standard 810 and the 8th switch 820;
Controlled current lifting device 900 is made up of interconnective current lifting device 910 and the 9th switch 920;
Its annexation is:
The 3rd switch 320 is connected with the 6th switch 620 respectively with the 8th switch 820.
Conventional module is connected with switch is two-way, and they form the mode-controller piece jointly, and promptly switch both can be controlled conventional module, and conventional module also can feed back to controller by control bus C with operation information.With controllable operating case 100 is example, and it is made up of traditional operation case 110 and the 1st switch 120, traditional operation case 110 and 120 two-way connections of switch.
2, functional block
1) PC 000
As Fig. 4, special machine detects software workflow and comprises the following steps:
Beginning 0;
1. operator's start lands 1;
2. software parameter 2 is set;
3. enter and cut-off the wiring mode 3;
4. the logic level sampling 4;
5. the PC judgement corrects errors 5, is then to enter next step, jumps to step 3. otherwise change;
6. enter physical cabling pattern 6;
7. the physical cabling 7 of ct calibrating;
8. draw actual error and be uploaded to PC 8;
9. the PC error in judgement corrects errors 9;
10. be retained to software database 10;
Finish 11.
2) the controllable operating case 100
Described control box 110 is a kind of doublewound transformers;
Described the 1st switch 120 (comprising other switch described later) is made up of a plurality of single-pole double-throw (SPDT) relays.
Aforementioned, owing to controllable operating case 100 is connected with controlled current lifting device 900 with controlled stepup transformer 200 respectively, so controllable operating case 100 controlled stepup transformer 200 of control and controlled current lifting devices 900, regulate the primary voltage and the primary current output of native system.
3) controlled stepup transformer 200
Controlled stepup transformer 200 is made up of interconnective stepup transformer 210 and the 2nd switch 220;
Described stepup transformer 210 is a kind of doublewound transformers.
Controlled stepup transformer 200 changes into rated primary voltage supply controllable voltage mutual inductor standard 300 and controllable voltage mutual inductor tested 400 with the low-voltage 0～220V of controllable operating case 100 outputs.
4) controllable voltage mutual inductor standard 300
Controllable voltage mutual inductor standard 300 is made up of interconnective voltage transformer (VT) standard 310 and the 3rd switch 320;
Described voltage transformer (VT) standard 310 is transformers of a kind of many windings.
Controllable voltage mutual inductor standard 300 is as the standard of native system, by the signal of the signal of controllable voltage mutual inductor tested 400 and controlled standard potential transformer 300 being delivered to the error that controlled tester 600 relatively shows mutual inductor behind the error of measurements.
5) the controllable voltage mutual inductor tested 400
Controllable voltage mutual inductor tested 400 is made up of interconnective voltage transformer (VT) tested 410 and the 4th switch 420;
Described voltage transformer (VT) tested 410 is transformers of a kind of many windings.
Controllable voltage mutual inductor tested 400 test specimens as native system are for the operator provides subjects.
6) controller 500
As Fig. 3, controller 500 is made up of wiring determining device 510, control module 520 and power amplifier 530;
Wiring determining device in the controller 510 is connected to each switch by the I/O mouth, specifically is connected to lead-out terminal of each single-pole double-throw (SPDT) relay of switch inside.At this moment, system enters the wiring judgment model, is judged by the wiring of 510 pairs of native systems of wiring determining device.
With the 2nd switch 220 is example, control module 520 connects power amplifier 530 by the I/O mouth, power amplifier 530 is connected to the 1st, 2,3,4 relays 221,222,223,224 of the 2nd switch 220 inside, for relay provide+the 5V power supply guarantees the operate as normal of relay; Wiring determining device 510 is by the I/O mouth, and the 1st, 2,3,4 relays that are connected to the 2nd switch 220 inside are judged connection terminal 221a, 222a, 223a, 224a, and native system simulation wiring is judged.(judge principle, the back is described in detail)
1st, 2,3,4 relay experimental wiring terminal 221b, 222b, 223b, 224b are connected with input, four terminals of output of stepup transformer 210 respectively.
Described wiring determining device 510 is a kind of logic determines chips;
Described control module 520 is a kind of control chips;
Described power amplifier 530 is a kind of devices commonly used.
7) controlled tester 600
Controlled tester 600 is made up of interconnective tester 610 and the 6th switch 620;
Described tester 610 is voltage, the current transformer calibrator of present main flow, adopts the relatively principle of error of measurement, can detect the error of voltage, current transformer, and accuracy reaches 0.05 grade.
8) the controllable current mutual inductor tested 700
Controllable current mutual inductor tested 700 is made up of interconnective current transformer tested 710 and the 7th switch 720;
Described current transformer tested 710 is made up of a plurality of different two-winding transformers unshakable in one's determination.
Controllable current mutual inductor tested 700 test specimens as native system are for the operator provides subjects.
9) controllable current mutual inductor standard 800
Controllable current mutual inductor standard 800 is made up of interconnective current transformer standard 810 and the 8th switch 820;
Described current transformer standard 810 is made up of a plurality of different two-winding transformers unshakable in one's determination.
Controllable current mutual inductor standard 800 is as the standard of native system, by the signal of controllable current mutual inductor tested 400 and the signal of controlled standard current transformer 300 are delivered to the error that controlled tester 600 backs show mutual inductor.
10) controlled current lifting device 900
Controlled current lifting device 900 is made up of interconnective current lifting device 910 and the 9th switch 920;
Described current lifting device 910 is a kind of two-winding transformers.
The little electric current that controlled current lifting device 900 provides controllable operating case 100 changes into the rated primary current that native system needs.
Two, wiring determination methods
As shown in Figure 2, with controller 500 and the 2nd switch 220 is example, because there are 4 connection terminals the outside of controlled stepup transformer 200, each connection terminal has PC wiring judgment model and the actual two kinds of duties of wiring pattern of starting, so each connection terminal is connected to a single-pole double-throw (SPDT) relay.1st, 2,3,4 single-pole double-throw (SPDT) relays 221,222,223,224 are being controlled two kinds of mode of operations of corresponding terminal respectively.1st, 2,3,4 single-pole double-throw (SPDT) relays 221,222,223,224 have constituted switch 220.Controller 500 and switch 220 inner existing being electrically connected, 4 connection terminal wiring can judging controlled stepup transformer 200 by the method that the logic level of digital circuit is judged whether.
When all the single-pole double-throw (SPDT) relays (as the 1st, 2,3,4 single-pole double-throw (SPDT) relays 221,222,223,224) that by controller 500 the 1st switch the 120, the 2nd switch the 220, the 3rd switch the 320, the 4th switch the 420, the 6th switch the 620, the 7th switch the 720, the 8th switch 820 and the 9th switch 920 inside are set as the operator connect and judge connection terminal, enter PC wiring judgment model.With controlled stepup transformer 200 is example, and at first two lead-out terminals with its internal relay are numbered 221a, 221b respectively, 222a, 222b, 223a, 223b, 224a, 224b.
Wherein, 221a, 222a, 223a, 224a wiring determining device 510; 221b, 222b, 223b, 224b connect the device external connection terminal.
When entering PC wiring judgment model, if the operator passes through controller 500 with 221a, 222a, 223a, the set of 224a logic level; 221b, 222b, 223b, the reset of 224b logic level.At this moment, the 2nd switch 220 internal logics are: 221a, 222a, 223a, 224a, 221b, 222b, 223b, 224b-" 11110000 ", wherein, the logic level of 221a is " 1 ".
If the operator is by a lead, the external cabling terminal that the 1st relay 221 is connected is when the external cabling terminal of other switchs (except that the 2nd switch 220) is connected arbitrarily, controller 500 is with this two terminal logic levels reset, and wherein the terminal 221a logic level of the 1st relay 221 is changed to " 0 ".At this moment, the 2nd switch 220 internal logics are: 221a, 222a, 223a, 224a, 221b, 222b, 223b, 224b-" 01110000 ".According to this principle, when the wiring determining device 510 of controller 500 under the wiring pattern, a certain logic level that detects 221a, 222a, 223a, 224a is " 0 ", system will think that there are electrical wiring in this terminal and other terminals.
We set up software database at PC, and the wiring diagram of national verification rules regulation is inserted, and the logic level that produces by logic level and operator institute connecting terminal with correct wiring diagram compares so, but with regard to decision operation person's wiring correctness.
Claims (2)
1. an electric power mutual-inductor is examined and determine the wiring analogue means, it is characterized in that:
Comprise PC (000), controllable operating case (100), controlled stepup transformer (200), controllable voltage mutual inductor standard (300), controllable voltage mutual inductor tested (400), controller (500), controlled tester (600), controllable current mutual inductor tested (700), controllable current mutual inductor standard (800) and controlled current lifting device (900);
Controllable operating case (100) is made up of interconnective control box (110) and the 1st switch (120);
Controlled stepup transformer (200) is made up of interconnective stepup transformer (210) and the 2nd switch (220);
Controllable voltage mutual inductor standard (300) is made up of interconnective voltage transformer (VT) standard (310) and the 3rd switch (320);
Controllable voltage mutual inductor tested (400) is made up of interconnective voltage transformer (VT) tested (410) and the 4th switch (420);
Controller (500) is made up of wiring determining device (510), control module (520) and power amplifier (530);
Controlled tester (600) is made up of interconnective tester (610) and the 6th switch (620);
Controllable current mutual inductor tested (700) is made up of interconnective current transformer tested (710) and the 7th switch (720);
Controllable current mutual inductor standard (800) is made up of interconnective current transformer standard (810) and the 8th switch (820);
Controlled current lifting device (900) is made up of interconnective current lifting device (910) and the 9th switch (920);
Its annexation is:
PC (000) is connected with controller (500) by the USB mouth;
Controller (500) is connected with the 1st switch (120), the 2nd switch (220), the 3rd switch (320), the 4th switch (420), the 6th switch (620), the 7th switch (720), the 8th switch (820) and the 9th switch (920) that head and the tail closed loop successively are connected respectively by a control bus (C);
The 3rd switch (320) is connected with the 6th switch (620) respectively with the 8th switch (820).
2. by the described a kind of electric power mutual-inductor calibrating wiring analogue means of claim 1, it is characterized in that:
Control module (520) connects power amplifier (530) by the I/O mouth;
Wiring determining device in the controller (510) is connected to each switch by the I/O mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205423762U CN201828657U (en) | 2010-09-26 | 2010-09-26 | Device for detecting wiring simulation of power transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205423762U CN201828657U (en) | 2010-09-26 | 2010-09-26 | Device for detecting wiring simulation of power transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201828657U true CN201828657U (en) | 2011-05-11 |
Family
ID=43967183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205423762U Expired - Lifetime CN201828657U (en) | 2010-09-26 | 2010-09-26 | Device for detecting wiring simulation of power transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201828657U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638046A (en) * | 2012-02-10 | 2012-08-15 | 武汉电力职业技术学院 | Wiring detection training system for intelligent reactive automatic capacitance compensation control devices |
| CN103761913A (en) * | 2014-01-09 | 2014-04-30 | 广西电网公司电力科学研究院 | Current transformer simulation training system and working method |
| CN103760512A (en) * | 2014-01-09 | 2014-04-30 | 广西电网公司电力科学研究院 | Voltage booster simulator |
| CN103761895A (en) * | 2014-01-09 | 2014-04-30 | 广西电网公司电力科学研究院 | Current transformer simulation examination system and working method |
| CN103777169A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Electric energy metering transformer simulation verification system |
| CN103777164A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Current transformer simulation test system and working method |
| CN103777167A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Voltage transformer simulation examination system and working method |
| CN103778827A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Electric energy metering transformer detection simulation training and evaluation system |
| CN103778826A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Voltage transformer simulation training system and working method |
| CN103777168A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Voltage transformer simulation test system and working method |
| CN105608972A (en) * | 2016-03-24 | 2016-05-25 | 国家电网公司 | Electrical energy measuring transformer simulation training and examination device and system based on Internet |
| CN112068062A (en) * | 2020-09-10 | 2020-12-11 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Mutual inductor calibration system and calibration method |
-
2010
- 2010-09-26 CN CN2010205423762U patent/CN201828657U/en not_active Expired - Lifetime
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102638046A (en) * | 2012-02-10 | 2012-08-15 | 武汉电力职业技术学院 | Wiring detection training system for intelligent reactive automatic capacitance compensation control devices |
| CN102638046B (en) * | 2012-02-10 | 2014-02-26 | 武汉电力职业技术学院 | Wiring detection training system for intelligent reactive automatic capacitance compensation control devices |
| CN103778827A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Electric energy metering transformer detection simulation training and evaluation system |
| CN103777167B (en) * | 2014-01-09 | 2016-03-02 | 广西电网公司电力科学研究院 | A kind of voltage transformer (VT) emulation examination system and method for work |
| CN103761895A (en) * | 2014-01-09 | 2014-04-30 | 广西电网公司电力科学研究院 | Current transformer simulation examination system and working method |
| CN103777169A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Electric energy metering transformer simulation verification system |
| CN103777164A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Current transformer simulation test system and working method |
| CN103777167A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Voltage transformer simulation examination system and working method |
| CN103761913A (en) * | 2014-01-09 | 2014-04-30 | 广西电网公司电力科学研究院 | Current transformer simulation training system and working method |
| CN103778826A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Voltage transformer simulation training system and working method |
| CN103777168A (en) * | 2014-01-09 | 2014-05-07 | 广西电网公司电力科学研究院 | Voltage transformer simulation test system and working method |
| CN103760512A (en) * | 2014-01-09 | 2014-04-30 | 广西电网公司电力科学研究院 | Voltage booster simulator |
| CN103777168B (en) * | 2014-01-09 | 2016-03-02 | 广西电网公司电力科学研究院 | A kind of voltage transformer (VT) emulation test system and method for work |
| CN103761913B (en) * | 2014-01-09 | 2016-03-02 | 广西电网公司电力科学研究院 | A kind of method of work of Simulation of current transformer training system |
| CN103761895B (en) * | 2014-01-09 | 2016-03-02 | 广西电网公司电力科学研究院 | A kind of method of work of current transformer simulation examination system |
| CN103778827B (en) * | 2014-01-09 | 2016-03-23 | 广西电网公司电力科学研究院 | A kind of electric energy metrical mutual inductor detection simulation training and checking system |
| CN103777164B (en) * | 2014-01-09 | 2016-08-24 | 广西电网公司电力科学研究院 | A kind of Simulation of current transformer test system and method for work |
| CN105608972A (en) * | 2016-03-24 | 2016-05-25 | 国家电网公司 | Electrical energy measuring transformer simulation training and examination device and system based on Internet |
| CN112068062A (en) * | 2020-09-10 | 2020-12-11 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Mutual inductor calibration system and calibration method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201828657U (en) | Device for detecting wiring simulation of power transformer | |
| CN101950011A (en) | Electricity transformer verification connection analog system and connection judging method thereof | |
| CN101281232B (en) | System and method for testing locomotive general-purpose circuit board function | |
| CN104407302B (en) | Battery balanced module automatic checkout system in groups | |
| CN104614668A (en) | Circuit board testing system | |
| CN202736328U (en) | Metering program control analog device | |
| CN204357633U (en) | The universal automatic checkout equipment of wind turbine control system | |
| CN110161331B (en) | Detection platform for primary and secondary fusion complete equipment and control method | |
| CN104090206A (en) | Direct-current measurement system testing platform of direct-current power transmission project and testing method of direct-current power transmission project | |
| CN205068942U (en) | Experimental hybrid simulation system of high -voltage electrical | |
| CN103777169A (en) | Electric energy metering transformer simulation verification system | |
| CN108896900A (en) | A kind of wireless charging system device for testing functions and test method | |
| CN107576906A (en) | A kind of portable relay checking platform and its application method | |
| CN103777164A (en) | Current transformer simulation test system and working method | |
| CN205079787U (en) | Comprehensive tester metrological verification system and adapter and measurement test platform | |
| CN201812005U (en) | Performance test box and performance test system for analogue input/output (AI/O) module | |
| CN101719324B (en) | Simulation training system of voltage drop load test in electric power system measurement loop | |
| CN205067670U (en) | A anti -interference medium simulator for high -voltage electrical is experimental | |
| CN106959426B (en) | A kind of anti-ground fault of electric energy meter inhibits test and accuracy joint survey device | |
| CN103778829A (en) | Electric energy metering transformer secondary voltage drop and load test training system | |
| CN103809144B (en) | Transformation ratio tester verification system and detecting method thereof | |
| CN113848462A (en) | Automatic test platform and test method for PCBA single board in power electronic industry | |
| CN211123230U (en) | Portable automatic debugging system for calibrator | |
| CN104833875B (en) | The coalignment and automatic matching method of transformer secondary lateral load | |
| CN206497160U (en) | A kind of circuit Quick tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121112 Owner name: THE ELECTRIC POWER SCIENCE RESEARCH INSTITUTE OF H Free format text: FORMER OWNER: HUBEI PROV. POWER TEST INST. Effective date: 20121112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121112 Address after: 430077, 361 East Main Street, Wuchang District, Hubei, Wuhan Patentee after: Hubei Electric Power Research Institute of Power Company Patentee after: State Grid Corporation of China Address before: 430077 Hubei city of Wuhan province Wuchang Xudong Avenue No. 361 Patentee before: Hubei Prov. Power Test Inst. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110511 |