CN207882385U - One kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line - Google Patents
One kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line Download PDFInfo
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- CN207882385U CN207882385U CN201721898042.7U CN201721898042U CN207882385U CN 207882385 U CN207882385 U CN 207882385U CN 201721898042 U CN201721898042 U CN 201721898042U CN 207882385 U CN207882385 U CN 207882385U
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- partial discharge
- discharge sensor
- ultrahigh frequency
- ultrasonic
- sensor
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Abstract
The utility model belongs to power plant design manufacturing technology field, partial discharge Assembled high-voltage shunted capacitor device can be monitored on-line by being related to one kind, lower box is equipped with the first ultrahigh frequency partial discharge sensor and the first ultrasonic partial discharge sensor, and the first ultrahigh frequency partial discharge sensor and the first ultrasonic partial discharge sensor are connect with integrated capacitor signal；Upper box is equipped with the second ultrasonic partial discharge sensor and the second ultrahigh frequency partial discharge sensor, second ultrasonic partial discharge sensor and the second ultrahigh frequency partial discharge sensor are connect with oil immersed type current-limiting reactor signal, and the first ultrahigh frequency partial discharge sensor, the first ultrasonic partial discharge sensor, the second ultrasonic partial discharge sensor and the second ultrahigh frequency partial discharge sensor are connect by cable with partial discharge monitoring unit；The device passes through ultrasonic partial discharge sensor and the real-time monitoring capacitor partial discharge electricity of ultrahigh frequency partial discharge sensor and partial discharge position, it is ensured that capacitor device is safe and reliable to operation.
Description
Technical field
The utility model is related to a kind of capacitor device, especially one kind can monitoring partial discharge HV Capacitor with Internal electricity in parallel on-line
Case belongs to power plant design manufacturing technology.
Background technology
Compact Assembled high-voltage shunted capacitor device, device is by integrated capacitor, oil immersed type current-limiting reactor, oil
The equipment such as immersion discharge coil, Zinc-Oxide Arrester and long cable section of ingoing line case are composed.To capacitor, the electricity in measuring device
The shelf depreciation of anti-device can only scene have a power failure, by integrated capacitor device it is out of service after, then to integrated capacitor device
It is tested, measures capacitor, whether reactor partial discharge meets the requirements.For capacitor, electricity in integrated capacitor device
Anti- device partial discharge monitoring, it is domestic at present to be in blank.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, the utility model provides one kind and can supervise online
Partial discharge Assembled high-voltage shunted capacitor device is surveyed, the device is real by ultrasonic partial discharge sensor and ultrahigh frequency partial discharge sensor
When monitoring capacitor partial discharge electricity and partial discharge position, it is ensured that capacitor device is safe and reliable to operation.
For the above technical purpose of realization, the technical solution adopted in the utility model is：One kind can monitor partial discharge set on-line
Formula high-voltage parallel capacitor device includes the integrated capacitor in lower box and the oil immersed type string mounted on upper box
Join reactor, which is characterized in that the first ultrahigh frequency partial discharge sensor is installed on the tank wall of the lower box, while being inhaled on tank wall
With moveable first ultrasonic partial discharge sensor, the first ultrahigh frequency partial discharge sensor and the first ultrasonic partial discharge sensing
Device is connect with integrated capacitor signal；The second ultrasonic partial discharge sensing is separately installed in the left and right sidewall of the upper box
Device and the second ultrahigh frequency partial discharge sensor, the second ultrasonic partial discharge sensor and the second ultrahigh frequency partial discharge sensor with oil
Immersion current-limiting reactor signal connects, and control box is equipped on front side of the upper box, and being equipped with shelf depreciation in the control box exists
Line monitoring unit, the first ultrahigh frequency partial discharge sensor, the first ultrasonic partial discharge sensor, the second ultrasonic partial discharge sensor
It is connect with partial discharge monitoring unit by cable with the second ultrahigh frequency partial discharge sensor.
Further, further include backstage monitoring device, the backstage monitoring device is believed with partial discharge monitoring unit
Number connection.
Further, signal gathering unit, A/D converting unit sum numbers are integrated in the partial discharge monitoring unit
According to processing unit, the signal gathering unit is connect with A/D converting units, and the A/D converting units connect with data processing unit
It connects.
From the above, it can be seen that the utility model has technical effect that：
1）Compared with existing integrated capacitor, the present apparatus is integrated with ultrasonic partial discharge sensor and ultrahigh frequency partial discharge sensing
Device, using ultrasonic partial discharge sensing detection partial discharge position, ultrahigh frequency partial discharge sensor detects the discharge capacity of shelf depreciation, the two phase
In conjunction with can the position that generates of accurate detection device partial discharge amount and partial discharge；
2）The present apparatus is integrated with partial discharge monitoring unit, capacitor that can be in real time on-line monitoring device, reactance
Device partial discharge quantity, and judge whether it is exceeded, and then determine signal in partial discharge generation position, and send out alarm signal and tripping letter
Number, keep device out of service, it is ensured that capacitor device is safe and reliable to operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the utility model circuit theory schematic diagram.
Reference sign：1- integrated capacitors, 2- oil immersed types current-limiting reactor, the first ultrahigh frequency partial discharges of 3- sensing
Device, the first ultrasonic partial discharges of 4- sensor, the second ultrasonic partial discharges of 5- sensor, the second ultrahigh frequency partial discharges of 6- sensor, 7- innings
Portion's On-line Discharge monitoring unit, 71- signal gathering units, 72- A/D converting units, 73- data processing units and the backstages 8- are supervised
Survey device.
Specific implementation mode
With reference to specific drawings and examples, the utility model is described in further detail.
With reference to the accompanying drawings shown in 1 and Fig. 2, one kind can monitor partial discharge Assembled high-voltage shunted capacitor device, including peace on-line
Integrated capacitor 1 in lower box and the oil immersed type current-limiting reactor 2 mounted on upper box, which is characterized in that described
First ultrahigh frequency partial discharge sensor 3 is installed on the tank wall of lower box, while being adsorbed with moveable first ultrasonic wave on tank wall
Partial discharge sensor 4, the first ultrahigh frequency partial discharge sensor 3 and the first ultrasonic partial discharge sensor 4 with integrated capacitor 1
Signal connects；The second ultrasonic partial discharge sensor 5 and the second hyperfrequency office are separately installed in the left and right sidewall of the upper box
Put sensor 6, the second ultrasonic partial discharge sensor 5 and the second ultrahigh frequency partial discharge sensor 6 with oil immersed type series reactance
2 signal of device connects, and control box is equipped on front side of the upper box, partial discharge monitoring unit 7 is equipped in the control box,
The first ultrahigh frequency partial discharge sensor 3, the first ultrasonic partial discharge sensor 4, the second ultrasonic partial discharge sensor 5 and the second surpass
High frequency partial discharge sensor 6 is connect by cable with partial discharge monitoring unit 7.
Further include backstage monitoring device 8, the backstage monitoring device 8 is connect with 7 signal of partial discharge monitoring unit,
Partial discharge monitoring unit 7 is communicated using Ethernet interface with backstage monitoring device 8；
It is integrated in the partial discharge monitoring unit 7 at signal gathering unit 71, A/D converting units 72 and data
Unit 73 is managed, the signal gathering unit 71 is connect with A/D converting units 72, the A/D converting units 72 and data processing list
Member 73 connects.
In the utility model embodiment, the model UHF-300TEE1 of ultrahigh frequency partial discharge sensor, ultrasonic partial discharge sensing
The model US-080MEE3 of device, the model TWOLPD01-8E of partial discharge monitoring unit 7.
Utility model works principle, the device are integrated with ultrasonic partial discharge sensor and ultrahigh frequency partial discharge sensor, surpass
Sound wave partial discharge transducer sensitivity is higher, and can be moved freely in babinet, by detecting acoustic signals, easily determines babinet
Position occurs for interior shelf depreciation, and easy for installation, but external interference resistance is weaker；The not only sensitivity of ultrahigh frequency partial discharge sensor
Discharge capacity that is high and can determine that shelf depreciation by detecting frequency signal, since the signal of ultrahigh frequency partial discharge sensor receives head
In fuel tank, anti-interference ability is stronger, but cannot be shifted due to being mounted on fixed position, is not easy to judge that partial discharge is sent out
Raw position；The two be combined can the position that generates of accurate judgement device partial discharge amount and partial discharge, ultrasonic partial discharge sensor and super
The position that the partial discharge amount and partial discharge that detect generate is sent to partial discharge monitoring by high frequency partial discharge sensor by cable
Unit 7, signal gathering unit 71 is used for acquisition testing signal, and collected detection signal is sent to A/D converting units 72,
It converts analog signals into digital signal and is sent to data processing unit 73, data processing unit 73 believes the number received
After number carrying out processing analysis, according to preset initial partial discharge amount, judge whether the partial discharge amount in babinet is exceeded, and will determine that
As a result and partial discharge location information is sent to backstage monitoring device 8, and on backstage, monitoring device 8 shows discharge capacity and discharge position, if
It is exceeded, then send out exceeded warning.
The utility model and embodiments thereof are described above, description is not limiting, shown in attached drawing
Also it is one of the embodiment of the utility model, actual structure is not limited to this.If the ordinary skill people of this field
Member is enlightened by it, without deviating from the purpose of the present invention, is not inventively designed and the technical solution
Similar frame mode and embodiment, all should belong to the protection range of the utility model.
Claims (3)
- Include the aggregation type electricity in lower box 1. one kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line Container（1）With the oil immersed type current-limiting reactor mounted on upper box（2）, which is characterized in that it is installed on the tank wall of the lower box There is the first ultrahigh frequency partial discharge sensor（3）, while moveable first ultrasonic partial discharge sensor is adsorbed on tank wall（4）, institute State the first ultrahigh frequency partial discharge sensor（3）With the first ultrasonic partial discharge sensor（4）And integrated capacitor（1）Signal connects It connects；The second ultrasonic partial discharge sensor is separately installed in the left and right sidewall of the upper box（5）It is passed with the second ultrahigh frequency partial discharge Sensor（6）, the second ultrasonic partial discharge sensor（5）With the second ultrahigh frequency partial discharge sensor（6）With oil immersed type series electrical Anti- device（2）Signal connects, and control box is equipped on front side of the upper box, partial discharge monitoring list is equipped in the control box Member（7）, the first ultrahigh frequency partial discharge sensor（3）, the first ultrasonic partial discharge sensor（4）, the second ultrasonic partial discharge sensing Device（5）With the second ultrahigh frequency partial discharge sensor（6）Pass through cable and partial discharge monitoring unit（7）Connection.
- 2. one kind according to claim 1 can monitor partial discharge Assembled high-voltage shunted capacitor device on-line, feature exists In：It further include backstage monitoring device（8）, the backstage monitoring device（8）With partial discharge monitoring unit（7）Signal connects It connects.
- 3. one kind according to claim 1 can monitor partial discharge Assembled high-voltage shunted capacitor device on-line, feature exists In：The partial discharge monitoring unit（7）Inside it is integrated with signal gathering unit（71）, A/D converting units（72）And data Processing unit（73）, the signal gathering unit（71）With A/D converting units（72）Connection, the A/D converting units（72）With Data processing unit（73）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898042.7U CN207882385U (en) | 2017-12-29 | 2017-12-29 | One kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721898042.7U CN207882385U (en) | 2017-12-29 | 2017-12-29 | One kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line |
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| Publication Number | Publication Date |
|---|---|
| CN207882385U true CN207882385U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721898042.7U Active CN207882385U (en) | 2017-12-29 | 2017-12-29 | One kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008270A (en) * | 2017-12-29 | 2018-05-08 | 日新电机（无锡）有限公司 | One kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line |
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2017
- 2017-12-29 CN CN201721898042.7U patent/CN207882385U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008270A (en) * | 2017-12-29 | 2018-05-08 | 日新电机（无锡）有限公司 | One kind can monitor partial discharge Assembled high-voltage shunted capacitor device on-line |
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