CN204595079U - 6/10kV high voltage electric node test and diagnostic device - Google Patents
6/10kV high voltage electric node test and diagnostic device Download PDFInfo
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- CN204595079U CN204595079U CN201520173054.8U CN201520173054U CN204595079U CN 204595079 U CN204595079 U CN 204595079U CN 201520173054 U CN201520173054 U CN 201520173054U CN 204595079 U CN204595079 U CN 204595079U
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Abstract
The utility model relates to field of power, is specifically related to a kind of high voltage electric node test and diagnostic device.A kind of 6/10kV high voltage electric node test and diagnostic device, comprise voltage sensor, current sensor, voltage signal conditioning circuit, voltage signal phase compensating circuit, current signal conditioning circuit, current signal phase compensating circuit, A/D modular converter, information data processing module, network transport interface module, upper computer module and power module.High voltage electric node test device of the present utility model can realize effective value and store, frequency analysis, the function such as loss calculation, General Troubleshooting, can in varying load situation automatic switching range to ensure measuring accuracy, to adopt advanced algorithm to ensure the accuracy of each harmonic electric parameter measurement, for solid foundation is established in the test of transformer efficiency and loss value.
Description
Technical field
The utility model relates to field of power, is specifically related to a kind of high voltage electric node test and diagnostic device.
Background technology
Electric current, voltage are very general at occurring in nature, the mankind have accumulated the rich experiences measuring electric current, voltage in the exploration to electrical phenomena essence, particularly closely for decades, semiconductor devices and computer technology are advanced by leaps and bounds, and the measurement of the electrical quantity such as electric current, voltage becomes very general simultaneously extremely important in modern industry.For different field, different purposes, different amplitude, the electric current of different frequency, voltage measurement, the detection method adopted and measurement means are distinct.
Below 600V low tension parameter testing technology is very ripe in the market, and product is a lot.But the device directly measuring 6kV/10kV high-tension line is considerably less, can find at present, only make every effort to achieve the product that science and technology and Cole electrically have this class.According to on-the-spot investigation, Related product all can not meet project demand in the precision, anti-interference and portability etc. of processing safety, wide-measuring range.Be embodied in following several respects: 1. there is no measuring accuracy during automatic range switching guarantee varying load.2. data transfer mode have problems 3. sensor design cannot ensure measuring accuracy 4. algorithms most in use be difficult to ensure harmonic power metering accuracy.
Utility model content
The purpose of this utility model is to solve the problem, a kind of 6/10kV high voltage electric node test and diagnostic device are provided, this device can in varying load situation automatic switching range to ensure measuring accuracy, to adopt advanced algorithm to ensure the accuracy of each harmonic electric parameter measurement, for solid foundation is established in the test of transformer efficiency and loss value.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: comprise voltage sensor, current sensor, voltage signal conditioning circuit, voltage signal phase compensating circuit, current signal conditioning circuit, current signal phase compensating circuit, A/D modular converter, information data processing module, network transport interface module, upper computer module and power module; Described power module is connected with other each several parts, for other each several parts are powered; Voltage sensor connects voltage signal phase compensating circuit, voltage signal phase compensating circuit connects voltage signal conditioning circuit, voltage signal conditioning circuit connects A/D converter, A/D converter connection signal processor, and signal processor is by network transport interface model calling upper computer module; Current sensor connects current signal phase compensating circuit, current signal phase compensating circuit connects current signal conditioning circuit, current signal conditioning circuit connects A/D converter, A/D converter connection signal processor, and signal processor is by network transport interface model calling upper computer module.
Wherein, voltage sensor is for gathering voltage signal; Current sensor for gathering current signal, current changing rate
voltage signal conditioning circuit is used for the voltage signal collected to adjust to the 0 ~ 3V that can be applicable to signal processor; Voltage signal phase compensating circuit is for compensating the phase error of the voltage signal collected; Current signal conditioning circuit is used for the current signal collected to adjust to the 0 ~ 3V that can be applicable to signal processor; For realizing the switching of range; Current signal phase compensating circuit is for compensating the phase error of the current signal collected; A/D modular converter is used for converting simulating signal to digital signal; Information data processing module for the treatment of signal to obtain effective value, the power of electric current and voltage and automatically to adjust range; Network transport interface module is for realizing the parsing of hardware ICP/IP protocol; Upper computer module is for realizing the control operation to signal processor; The operation result of display processor.
Preferably, the probe of described current sensor is the combined Luo-coil of PCB formula.
Preferably, described voltage sensor probe is modified active differential probe.
Preferably, described information data processing module adopts TMS320F28335 type dsp processor.
Preferably, described network transport interface module adopts HS-NM5200F Network Interface Module.
High voltage electric node test device of the present utility model can realize effective value and store, frequency analysis, the function such as loss calculation, General Troubleshooting, can in varying load situation automatic switching range to ensure measuring accuracy, to adopt advanced algorithm to ensure the accuracy of each harmonic electric parameter measurement, for solid foundation is established in the test of transformer efficiency and loss value, for the optimized Selection of transformer and the monitoring of China Petrochemical Industry transformer energy consumption and carrying out of control provide safeguard; And play important energy-saving monitoring and effect assessment effect by rising at 6kV in 10kV track remodelling.In addition, also will play a significant role in oilfield enterprise's high pressure water injection motor, the centrifugal high pressure pump overall efficiency test of middle and lower reaches enterprise, evaluation and energy consumption diagnosis.Universal and the popularizing application prospect of this technology is extensive, practical, will play a great role in high voltage electric energy monitoring and fault diagnosis.
Accompanying drawing explanation
Fig. 1 is module diagram of the present utility model.
Embodiment
Be illustrated in figure 1 module diagram of the present utility model, a kind of 6/10kV high voltage electric node test and diagnostic device, comprise voltage sensor, current sensor, voltage signal conditioning circuit, voltage signal phase compensating circuit, current signal conditioning circuit, current signal phase compensating circuit, A/D modular converter, information data processing module, network transport interface module, upper computer module and power module; Described power module is connected with other each several parts, for other each several parts are powered; Voltage sensor connects voltage signal phase compensating circuit, voltage signal phase compensating circuit connects voltage signal conditioning circuit, voltage signal conditioning circuit connects A/D converter, A/D converter connection signal processor, and signal processor is by network transport interface model calling upper computer module; Current sensor connects current signal phase compensating circuit, current signal phase compensating circuit connects current signal conditioning circuit, current signal conditioning circuit connects A/D converter, A/D converter connection signal processor, and signal processor is by network transport interface model calling upper computer module; Wherein,
Voltage sensor, for gathering voltage signal, by being suspended on ultra-high-tension power transmission line by voltage sensor, can record voltage by electric resistance partial pressure principle.
Current sensor for gathering current signal, current changing rate
by clipping on ultra-high-tension power transmission line by current sensor, current changing rate can be recorded by electromagnetic induction principle
Voltage signal conditioning circuit is used for the voltage signal collected to adjust to the 0 ~ 3V that can be applicable to signal processor.
Voltage signal phase compensating circuit is for compensating the phase error of the voltage signal collected.
Current signal conditioning circuit is used for the current signal collected to adjust to the 0 ~ 3V that can be applicable to signal processor; For realizing the switching of range.
Current signal phase compensating circuit is for compensating the phase error of the current signal collected.
A/D modular converter is used for converting simulating signal to digital signal.
Information data processing module for the treatment of signal to obtain effective value, the power of electric current and voltage and automatically to adjust range, by fft algorithm and ANF algorithm calculate survey the effective value of electric current and voltage, power, and automatically adjust range.
Network transport interface module is for realizing the parsing of hardware ICP/IP protocol.
Upper computer module is for realizing the control operation to signal processor; The operation result of display processor.Main realization is to control operations such as the startup stoppings of information data processing module.
The probe of described current sensor is the combined Luo-coil of PCB formula.
Described voltage sensor probe is modified active differential probe.
Described information data processing module adopts TMS320F28335 type dsp processor.
Described network transport interface module adopts HS-NM5200F Network Interface Module.
Claims (5)
1.6/10kV high voltage electric node test and diagnostic device, is characterized in that: comprise voltage sensor, current sensor, voltage signal conditioning circuit, voltage signal phase compensating circuit, current signal conditioning circuit, current signal phase compensating circuit, A/D modular converter, information data processing module, network transport interface module, upper computer module and power module; Described power module is connected with other each several parts, for other each several parts are powered; Voltage sensor connects voltage signal phase compensating circuit, voltage signal phase compensating circuit connects voltage signal conditioning circuit, voltage signal conditioning circuit connects A/D converter, A/D converter link information data processing module, information data processing module is by network transport interface model calling upper computer module; Current sensor connects current signal phase compensating circuit, current signal phase compensating circuit connects current signal conditioning circuit, current signal conditioning circuit connects A/D converter, A/D converter link information data processing module, information data processing module is by network transport interface model calling upper computer module; Wherein,
Voltage sensor is for gathering voltage signal;
Current sensor for gathering current signal, current changing rate
Voltage signal conditioning circuit is used for the voltage signal collected to adjust to the 0 ~ 3V that can be applicable to information data processing module;
Voltage signal phase compensating circuit is for compensating the phase error of the voltage signal collected;
Current signal conditioning circuit is used for the current signal collected to adjust to the 0 ~ 3V that can be applicable to information data processing module; For realizing the switching of range;
Current signal phase compensating circuit is for compensating the phase error of the current signal collected;
A/D modular converter is used for converting simulating signal to digital signal;
Information data processing module for the treatment of signal to obtain effective value, the power of electric current and voltage and automatically to adjust range;
Network transport interface module is for realizing the parsing of hardware ICP/IP protocol;
Upper computer module is for realizing the control operation to information data processing module; The operation result of display information data processing module.
2. 6/10kV high voltage electric node test according to claim 1 and diagnostic device, is characterized in that: the probe of described current sensor is the combined Luo-coil of PCB formula.
3. 6/10kV high voltage electric node test according to claim 1 and diagnostic device, is characterized in that: described voltage sensor probe is modified active differential probe.
4. 6/10kV high voltage electric node test according to claim 1 and diagnostic device, is characterized in that: described information data processing module adopts TMS320F28335 type dsp processor.
5. 6/10kV high voltage electric node test according to claim 1 and diagnostic device, is characterized in that: described network transport interface module adopts HS-NM5200F Network Interface Module.
Priority Applications (1)
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CN201520173054.8U CN204595079U (en) | 2015-03-26 | 2015-03-26 | 6/10kV high voltage electric node test and diagnostic device |
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CN201520173054.8U CN204595079U (en) | 2015-03-26 | 2015-03-26 | 6/10kV high voltage electric node test and diagnostic device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111751605A (en) * | 2019-03-29 | 2020-10-09 | 全球能源互联网研究院有限公司 | High potential voltage measuring device and method |
CN112763966A (en) * | 2020-12-31 | 2021-05-07 | 南京思仪科电气有限公司 | Digital wireless mutual inductance system |
-
2015
- 2015-03-26 CN CN201520173054.8U patent/CN204595079U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111751605A (en) * | 2019-03-29 | 2020-10-09 | 全球能源互联网研究院有限公司 | High potential voltage measuring device and method |
CN111751605B (en) * | 2019-03-29 | 2024-01-16 | 全球能源互联网研究院有限公司 | High-potential voltage measuring device and method |
CN112763966A (en) * | 2020-12-31 | 2021-05-07 | 南京思仪科电气有限公司 | Digital wireless mutual inductance system |
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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: 20150826 Termination date: 20160326 |