CN205051337U - Intelligent monitoring type generator ground resistance cabinet - Google Patents
Intelligent monitoring type generator ground resistance cabinet Download PDFInfo
- Publication number
- CN205051337U CN205051337U CN201520785038.4U CN201520785038U CN205051337U CN 205051337 U CN205051337 U CN 205051337U CN 201520785038 U CN201520785038 U CN 201520785038U CN 205051337 U CN205051337 U CN 205051337U
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- CN
- China
- Prior art keywords
- cabinet
- resistor
- transformer
- earthing
- intellectual monitoring
- 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 - Fee Related
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Abstract
The utility model discloses an intelligent monitoring type generator ground resistance cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, be equipped with the cabinet door on the cabinet body, the internal portion of cabinet is equipped with resistor, single -phase grounding transformer, current transformer, arrester and isolator, still include the intellectual detection system appearance, the intellectual detection system appearance is located the outside of cabinet door, the resistor is located on the lateral wall of the upper end of the cabinet body, single -phase grounding transformer locates the bottom of the cabinet body, arrester and current transformer locate respectively one side of single -phase grounding transformer with the bottom fixed connection of the cabinet body, isolator locates through the fixed bolster on the lateral wall of the cabinet body. The utility model provides a compact structure, small cooperates the intelligent monitoring appearance to use the intelligent monitoring type generator ground resistance cabinet that can realize real time monitoring to the circuit moreover.
Description
Technical field
The utility model relates to technical field of medical instruments, particularly relates to a kind of intellectual monitoring generator earthing resistance cabinet.
Background technology
When single-phase earthing occurs in the generator loop in power plant, when electric current is greater than setting, likely produce arc grounding over-voltage, and generator withstand voltage level is more weak, insulation easily damages.If earth current is excessive, generator iron-core also can be caused to burn.Usually adopt High Resistance Grounding Mode at generator neutral point, to limit arc grounding over-voltage, reduce burning to iron core, the sensitivity of relaying protection can be improved simultaneously, act on tripping operation, thus ensure the safety of generator.
Present resistor box many employings metal or non-metallic resistor unit, many group series connection use, bulky, cannot monitor in real time without intelligent monitoring device to circuit.
Utility model content
The purpose of this utility model there is provided a kind of compact conformation, volume is little, and coordinates intelligent monitor to use the intellectual monitoring generator earthing resistance cabinet that can realize monitoring in real time to circuit.
To achieve these goals, the technical scheme that the utility model is taked is: a kind of intellectual monitoring generator earthing resistance cabinet, and comprise cabinet, described cabinet is provided with cabinet door;
Described cabinet inside is provided with resistor, single-phase earthing transformer, current transformer, lightning arrester and isolating switch;
Also comprise intelligent detecting instrument, described intelligent detecting instrument is located at the outside of described cabinet door;
Described resistor is located on the sidewall of the upper end of described cabinet; The bottom of described cabinet is located at by described single-phase earthing transformer; The side that described lightning arrester summation current transformer is located at described single-phase earthing transformer is respectively fixedly connected with the bottom of described cabinet; Described isolating switch is located on the sidewall of described cabinet by fixed support;
The series connection of described isolating switch, single-phase earthing transformer, current transformer is also electrically connected with described intelligent detecting instrument; Described lightning arrester and described resistor are once in parallel with secondary side with described single-phase earthing transformer respectively.
A kind of intellectual monitoring generator earthing resistance cabinet as above, wherein, also comprises a Temperature Humidity Sensor, and it is inner that described Temperature Humidity Sensor is located at described cabinet; It is positioned at described resistor lower end; Be connected with described intelligent detecting instrument communication.
A kind of intellectual monitoring generator earthing resistance cabinet as above, wherein, described resistor is metal resistor.
A kind of intellectual monitoring generator earthing resistance cabinet as above, wherein, described intelligent detecting instrument is by 485 Interface realizations and outside communication.
A kind of intellectual monitoring generator earthing resistance cabinet as above, wherein, the length, width and height of described cabinet are respectively 1800*1300*2200mm.
Compared with prior art, the beneficial effect that the utility model produces is mainly reflected in:
A kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, by electric equipment entire combination such as single-phase earthing transformer, resistor, current transformer, isolating switch, lightning arrester, intelligent monitors together, structure closely, make the volume of resistor box very little, and coordinate intelligent monitor use can realize monitoring in real time to circuit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inside of a kind of intellectual monitoring generator earthing resistance cabinet of the present utility model;
Fig. 2 is the structural representation of a kind of intellectual monitoring generator earthing resistance cabinet of the present utility model;
Description of reference numerals:
1, cabinet 2, cabinet door 3, resistor
4, single-phase earthing transformer 5, current transformer 6, lightning arrester
7, isolating switch 8, intelligent detecting instrument 9, Temperature Humidity Sensor
Embodiment
For the ease of understanding the purpose of this utility model, technical scheme and effect thereof, now will be elaborated further the utility model in conjunction with the embodiments.
As depicted in figs. 1 and 2, a kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, comprise cabinet 1, described cabinet 1 is provided with cabinet door 2; Described cabinet 1 inside is provided with resistor 3, single-phase earthing transformer 4, current transformer 5, lightning arrester 6 and isolating switch 7; Also comprise intelligent detecting instrument 8, described intelligent detecting instrument 8 is located at the outside of described cabinet door 2; Described resistor 3 is located on the sidewall of the upper end of described cabinet 1; The bottom of described cabinet 1 is located at by described single-phase earthing transformer 4; The side that described lightning arrester 6 summation current transformer 5 is located at described single-phase earthing transformer 4 is respectively fixedly connected with the bottom of described cabinet 1; Described isolating switch 7 is located on the sidewall of described cabinet 1 by fixed support; Described isolating switch 7, single-phase earthing transformer 4, current transformer 5 are connected and are electrically connected with described intelligent detecting instrument 8; Described lightning arrester 6 and described resistor 3 once in parallel with secondary side with described single-phase earthing transformer 4.
A kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, the utility model utilizes resistor 3 to utilize transformer voltage ratio principle, by electric equipment entire combination such as single-phase earthing transformer 4, resistor 3, current transformer 5, isolating switch 7, lightning arrester 6, intelligent monitors together, structure closely, make the volume of resistor box very little, and coordinate intelligent monitor use can realize monitoring in real time to circuit.
As depicted in figs. 1 and 2, a kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, also comprises a Temperature Humidity Sensor 9, and it is inner that described Temperature Humidity Sensor 9 is located at described cabinet 1; It is positioned at described resistor 3 lower end; Be connected with the communication of described intelligent detecting instrument 8.
As depicted in figs. 1 and 2, a kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, described resistor 3 is metal resistor 3.
As depicted in figs. 1 and 2, a kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, described intelligent detecting instrument 8 is by 485 Interface realizations and outside communication.
As depicted in figs. 1 and 2, a kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, the length, width and height of described cabinet 1 are respectively 1800*1300*2200mm.
A kind of intellectual monitoring generator earthing resistance cabinet of the present utility model, the core parts employing isolating switch 7 of resistor box, single-phase earthing transformer 4, current transformer 5 are series at primary circuit, metal resistor 3 is connected in parallel on single-phase earthing change secondary, lightning arrester 6 is parallel to ground connection and becomes once.Series current instrument transformer 5 provides guard signal to outside, provides monitor signal to intelligent monitor; the parameters such as Real-Time Monitoring circuit unsymmetrical current, operating current, action frequency; changed by the humiture of Temperature Humidity Sensor 9 Real-Time Monitoring cabinet 1, the variations in temperature of monitoring resistor core body; control heater or fan starting, and by 485 Interface realizations and outside communication.
The utility model is done above in conjunction with the embodiments and further described, but the utility model is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (5)
1. an intellectual monitoring generator earthing resistance cabinet, comprises cabinet, and described cabinet is provided with cabinet door; It is characterized in that:
Described cabinet inside is provided with resistor, single-phase earthing transformer, current transformer, lightning arrester and isolating switch;
Also comprise intelligent detecting instrument, described intelligent detecting instrument is located at the outside of described cabinet door;
Described resistor is located on the sidewall of the upper end of described cabinet; The bottom of described cabinet is located at by described single-phase earthing transformer; The side that described lightning arrester summation current transformer is located at described single-phase earthing transformer is respectively fixedly connected with the bottom of described cabinet; Described isolating switch is located on the sidewall of described cabinet by fixed support;
The series connection of described isolating switch, single-phase earthing transformer, current transformer is also electrically connected with described intelligent detecting instrument; Described lightning arrester and described resistor are once in parallel with secondary side with described single-phase earthing transformer respectively.
2. a kind of intellectual monitoring generator earthing resistance cabinet according to claim 1, is characterized in that:
Also comprise a Temperature Humidity Sensor, it is inner that described Temperature Humidity Sensor is located at described cabinet; It is positioned at described resistor lower end; Be connected with described intelligent detecting instrument communication.
3. a kind of intellectual monitoring generator earthing resistance cabinet according to claim 2, is characterized in that:
Described resistor is metal resistor.
4. a kind of intellectual monitoring generator earthing resistance cabinet according to claim 3, is characterized in that:
Described intelligent detecting instrument is by 485 Interface realizations and outside communication.
5. a kind of intellectual monitoring generator earthing resistance cabinet according to claim 3, is characterized in that:
The length, width and height of described cabinet are respectively 1800*1300*2200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785038.4U CN205051337U (en) | 2015-10-02 | 2015-10-02 | Intelligent monitoring type generator ground resistance cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520785038.4U CN205051337U (en) | 2015-10-02 | 2015-10-02 | Intelligent monitoring type generator ground resistance cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051337U true CN205051337U (en) | 2016-02-24 |
Family
ID=55344881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520785038.4U Expired - Fee Related CN205051337U (en) | 2015-10-02 | 2015-10-02 | Intelligent monitoring type generator ground resistance cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051337U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159932A (en) * | 2016-06-27 | 2016-11-23 | 柳州电器科学研究所有限公司 | 10kV neutral grounding by small resistance complexes |
| CN110488146A (en) * | 2019-04-02 | 2019-11-22 | 许继电气股份有限公司 | A kind of DC distribution net type insulation monitoring system and D.C. isolation monitoring device |
-
2015
- 2015-10-02 CN CN201520785038.4U patent/CN205051337U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159932A (en) * | 2016-06-27 | 2016-11-23 | 柳州电器科学研究所有限公司 | 10kV neutral grounding by small resistance complexes |
| CN110488146A (en) * | 2019-04-02 | 2019-11-22 | 许继电气股份有限公司 | A kind of DC distribution net type insulation monitoring system and D.C. isolation monitoring device |
| CN110488146B (en) * | 2019-04-02 | 2021-12-10 | 许继电气股份有限公司 | Direct current distribution network insulation monitoring system and direct current insulation monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20211002 |