CN201514444U - High-voltage electric power monitoring device - Google Patents
High-voltage electric power monitoring device Download PDFInfo
- Publication number
- CN201514444U CN201514444U CN2009200350423U CN200920035042U CN201514444U CN 201514444 U CN201514444 U CN 201514444U CN 2009200350423 U CN2009200350423 U CN 2009200350423U CN 200920035042 U CN200920035042 U CN 200920035042U CN 201514444 U CN201514444 U CN 201514444U
- Authority
- CN
- China
- Prior art keywords
- monitoring device
- electric power
- high voltage
- voltage electric
- data
- 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
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a high-voltage electric power monitoring device which comprises an electric power parameter collecting device, an electric power parameter monitoring device connected with the electric power parameter collecting device and a data transmission device connected with the electric power parameter monitoring device, wherein the terminal of the data transmission device is connected with the electric power parameter monitoring device by means of wireless signals; the electric power parameter monitoring device is connected with a lower computer data receiver of an electric power dispatching center through a cable converter; the electric power parameter collecting device comprises an electric power parameter collecting and calculating device and a current transformer and a voltage transformer, which are connected with the electric power parameter collecting and calculating device; a data mentoring software is arranged in the electric power parameter monitoring device; and the data transmission device transmits the data through the communication interface thereof. The high-voltage electric power monitoring device has the advantages of high safety performance, high conversion accuracy, portable measurement and strong function; and is applied to the power system, the industrial and mining enterprises, the oil field, the coal mine and the place with severe lack of electric power.
Description
Technical field
The utility model relates to a kind of monitoring device, is specifically related to a kind of high voltage electric energy quality monitoring device.
Background technology
Flourish along with Chinese national economy, electric load sharply strengthens, and the particularly continuous growth of impact and nonlinear-load capacity makes power quality problems such as electrical network generation wave form distortion, voltage fluctuation and flicker and three-phase imbalance.Because the increase of net capacity requires also to increase with day to the quality of power supply.Guarantee that effectively electric power quality, circuit network loss and safe operation are indispensable parts.In electric system, quality of voltage will reach the acceptability limit of State Grid Corporation of China, idlely will keep in-situ balancing, harmonic content will remain within the permissible variation scope of State Grid Corporation of China's regulation, otherwise, electric energy loss and waste can appear, when serious, can cause device damage, system sectionalizing.In addition, the power factor of network and voltage reduce, harmonic content exceeds standard electrical equipment is not fully utilized, and impel network capacity to descend, and therefore, resolving distribution network electric energy quality has very important meaning to the utilization factor of electrical network.
The data owner that influences the quality of power supply will comprise: system voltage, load current, power factor, reactive power, diligent power and background harmonics etc.At present, also there is not the device of these data of comprehensive monitoring, just part or single monitoring.As: the line feed terminals unit (FTU) of conventional electrical distribution system installing, this FTU device has and can not move at any time, the shortcoming at the bottom of the more weak relatively and intelligent degree of data processing function, therefore this FTU device monitoring quality can not guarantee.
Summary of the invention
The purpose of this utility model is to provide a kind of high voltage electric energy quality monitoring device, and it has and can move at any time, and the high characteristics of the powerful and intelligent degree of data processing function have solved the electric energy quality monitoring technological deficiency of low quality that exists in the background technology.
Technical solution of the present utility model is:
A kind of high voltage electric energy quality monitoring device, comprise the electric network data real time information sampling, the electrical energy parameter harvester of uploading, be connected responsible acquisition terminal data aggregation with the electrical energy parameter harvester, finish the storage of various data, analyze and electrical energy parameter monitoring device that calculates and the data transmission device that is connected with the electrical energy parameter monitoring device, the terminal of described data transmission device is connected with Power Quality Monitor Device by wireless signal, described Power Quality Monitor Device is connected with the slave computer data sink of power-management centre by wired switching
Its special character is:
Described electrical energy parameter harvester comprises electrical energy parameter collection arithmetic unit and connected current transformer and voltage transformer (VT); The built-in data monitoring software of described electrical energy parameter monitoring device; Described data transmission device is by its communication interface transmission data.
Above-mentioned current transformer is an Open Type Electric Current Mutual Inductor, need not block lead during installation for best.。
Above-mentioned high voltage electric energy quality monitoring device, its special character is: also comprise the fuse that device is carried out short-circuit protection; Described fuse is by this device of fuse protected access.
Above-mentioned high voltage electric energy quality monitoring device, its special character is: also comprise lightning arrester; Described lightning arrester is to be connected in parallel with fuse, and inserts this device.
Above-mentioned high voltage electric energy quality monitoring device, its special character is: also comprise the stainless steel casing, described fuse and lightning arrester all place this stainless steel casing outside.
Above-mentioned communication interface is good for the RS-232 communication interface.
It is that digital electric power parameter acquisition operation control device is good that above-mentioned electrical energy parameter is gathered operation control device.
Above-mentioned fuse is that the full-automatic type drop out fuse of distance type is good.
Above-mentioned lightning arrester is that reinforced Zinc-Oxide Arrester is good.
Above-mentioned RS-232 communication interface GP configuring RS remote power parameter transmission device is realized the transmission of mobile network's remote parameter.
The utlity model has following advantage:
1] security performance height.
High voltage spacer assembly (2000V, response time≤2 μ S) is adopted in the voltage input, and the electric current input adopts high-precision current change device that input signal and measuring system safety are isolated.So not only make this device safety, reliable and convenient in the use, and improved its antijamming capability greatly.
2] acquisition control system is easy to use.
Adopt Chinese interface, succinct button operation, the user is easy to use.
3] compact conformation is attractive in appearance.
Casing adopts cold-rolled steel sheet or stainless steel, and is designed beautifully, lightly, and installing/dismounting is very convenient.
4] precision converts high.
Meet the requirement of GB A level checkout equipment, the benchmark algorithm is all adopted in harmonic wave, tri-phase unbalance factor, flickering and fluctuation, high-precision A/D (16) is adopted in no approximate treatment, sampling simultaneously, and acquisition rate reaches 12.8kHz.
5] function is strong.
Adopt DSP+ARM+CPLD (digital signal processor+automated route management system+CPLD) kernel, processing speed is fast, software function is abundant, makes this device be applicable to complicated test environment work and data processing work, has improved testing efficiency and level greatly.
6] communication interface.
Electric energy quality monitor provides RS232 interface, GPRS interface, is convenient to the backstage and carries out communication data transmission.
7] test parameter is many.
System frequency, mains by harmonics, imbalance of three-phase voltage degree, voltage fluctuation and flicker, voltage deviation, voltage fundamental effective value and real effective, current first harmonics effective value and real effective, fundamental active power, active power, first-harmonic applied power, power factor etc. are quality of power supply Big Five mark predetermined parameter all.
8] high capacity storage.
The built-in 512M internal memory of electric energy quality test instrument was that unit stores data with 5 minutes, and every passage can be stored 4 months historical data continuously.
9] back-stage management analysis software.
The quality of power supply administrative analysis software of this device is the back-stage management analysis software of a cover quality of power supply, runs on WIN9X/2000/XP/NT operating system, and friendly interface has figure and tracing analysis function.
10] have the analytic statistics electrical energy parameter and be worth function most every day, and store two months data.
Wherein value comprises electrical network day ceiling voltage, minimum voltage; Day maximum current, minimum current; Day maximum power factor, minimum power factor; Day maximum active power, minimum active power; Day maximum reactive power, minimum reactive power; The each harmonic content value.
11] this device volume is little, install simply, and the reliability height, easy to maintenance, software operation is simple, the display interface close friend.
12] this device movability is strong, can according to customer requirements at circuit, equipment place in real time, mobile monitoring on the spot.
Description of drawings
Fig. 1 is the utility model assembly structure synoptic diagram;
Wherein (a) is the electrical energy parameter collecting part; (b) be user's control section.
Drawing reference numeral explanation: 1-electrical energy parameter harvester, the 11-electrical energy parameter is gathered arithmetic and control unit, 12-current transformer, 13-voltage transformer (VT), 2-host computer electrical energy parameter monitoring device, the 3-data transmission device, 31-slave computer communications interface, 4-fuse, the 5-lightning arrester, 6-stainless steel casing, 7-slave computer data sink, 8-user dispatching center.
Embodiment
A kind of high voltage electric energy quality monitoring device, comprise the electric network data real time information sampling, the digital electric power parameter acquisition arithmetic unit of uploading, be connected responsible acquisition terminal data aggregation with digital electric power parameter acquisition arithmetic unit, finish the storage of various data, analyze and electrical energy parameter monitoring device 2 that calculates and the data transmission device 3 that is connected with electrical energy parameter monitoring device 2, the terminal of data transmission device 3 is connected with Power Quality Monitor Device 2 by wireless signal, Power Quality Monitor Device 2 is connected with the slave computer data sink 7 of power-management centre 8 by wired switching, and digital electric power parameter acquisition device comprises electrical energy parameter collection arithmetic unit 11 and connected current transformer 12 and voltage transformer (VT) 13; Electrical energy parameter monitoring device 2 built-in monitoring softwares; Described data transmission device 3 is by its RS-232 communication interface transmission data; This device also comprises the full-automatic type drop out fuse of distance type that device is carried out short-circuit protection; The full-automatic type drop out fuse of this distance type is by this device of fuse protected access; This device also comprises Zinc-Oxide Arrester; This Zinc-Oxide Arrester is to be connected in parallel with the full-automatic type drop out fuse of distance type, and inserts this device, mainly is to prevent that lightning impulse from causing damage to device, plays a protective role; Full-automatic type drop out fuse of this device distance type and Zinc-Oxide Arrester all place a stainless steel casing 6 outsides, consider apart from related request in strict accordance with the high-tension unit design safety; This device RS-232 communication interface GP configuring RS remote power parameter transport module is realized the transmission of long distance wireless parameter.
When connecting this device, referring to Fig. 1, the voltage signal of 10KV feeder line A, C phase at first inserts the full-automatic type drop out fuse of distance type, passes through fuse protected access device by the full-automatic type drop out fuse of distance type again; One, the full-automatic type drop out fuse of distance type are mainly used to that protective device and circuit are short-circuited or play a protective role when transshipping; Two, provide outage convenient for turnaround of unit; Digital electric power parameter acquisition arithmetic unit is gathered 10KV feeder line B phase current signal; Voltage and current signal are respectively by the no-load voltage ratio conversion, and voltage, the current signal after changing the most at last sent into the controller signals leading-in terminal and carried out electrical energy parameter conversion processing.
This device can move the electrical network electrical energy parameter is monitored and gathered on the spot according to the power consumer requirement; One, power department need be monitored feeder line head end electrical energy parameter situation, so just this device directly can be contained in first section appropriate location of feeder line and monitor; Two, power department need be monitored terminal power quality parameter situation, this device directly can be contained in terminal appropriate location so and monitor; Three, power department need be monitored the electrical energy parameter situation at feeder line 2/3rds places, just can directly this device be contained in 2/3rds places and monitor; Four, power department also needs to monitor the electrical energy parameter situation of feeder line heavy load concentrated area, device directly can be contained in the heavy load concentration zones, monitors; Five, power department need be monitored the feeder line that specific load changes, and the feeder line of can directly this device being packed into is monitored; The device movability is very strong, substitutes FTU (immovable shortcoming) fully.
The key technical indexes is as follows:
★ nominal voltage: 6KV, 10KV, 35KV
The ★ frequency measurement
Measurement range: centre frequency 50Hz, measuring condition: the signal fundametal compoment is not less than 80%F.S.
Measuring error :≤0.02Hz
★ input voltage range: 185～285V
★ input current range: 5A, other ranges can be matched according to customer requirements
★ fundamental voltage and current amplitude: fundamental voltage permissible error≤0.5%F.S.; Fundamental current permissible error≤1%F.S.
The measuring error of phase differential between ★ fundamental voltage and the electric current :≤0.5 °
★ harmonic voltage containing rate measuring error :≤0.1%
★ harmonic current containing ratio measuring error :≤0.2%
★ imbalance of three-phase voltage degree error :≤0.2%
★ voltage deviation error :≤0.2%
★ variation in voltage error :≤0.2%
★ power deviation :≤5%
★ flickering error :≤5%
★ voltage circuit impedance: greater than 20k Ω
★ current return impedance: less than 0.1 Ω
The ★ secondary circuit is withstand voltage: 2.5kV/1min
★ power consumption≤5W
★ insulation resistance: greater than 10M Ω, be not less than 1M Ω under the wet condition under the normal condition.
The quality standard that ★ carries out:
The general requirement of a.GB/T 19862-2005 power quality monitoring device
B.GB/T 14549-1993 quality of power supply utility network harmonic wave
C.GB/T 12325-2008 quality of power supply supply voltage deviation
D.GB 12326-2008 quality of power supply voltage fluctuation and flickering
E.GB/T 15543-2008 quality of power supply imbalance of three-phase voltage
F.GB/T 15945-2008 quality of power supply power system frequency deviation
G.GB/T 18481-2001 quality of power supply temporary overvoltage and transient overvoltage
H. radiation field test: operative norm GB/T13926.3-92, harsh grade 3;
I.1MHz pulse train interference test: operative norm GB/T6162-85;
J. the quality certification system passed through of enterprise: GB/T 19001-2000idt ISO9001:2000; By national relevant industries permission authentication.
The application of this device is mainly electric system, the user of industrial and mining enterprises, the place that oil field and coal mine user and electric energy loss are serious.
Claims (10)
1. high voltage electric energy quality monitoring device, comprise the electric network data real time information sampling, the electrical energy parameter harvester of uploading (1), be connected responsible acquisition terminal data aggregation with electrical energy parameter harvester (1), finish the storage of various data, analyze and electrical energy parameter monitoring device (2) that calculates and the data transmission device (3) that is connected with electrical energy parameter monitoring device (2), the terminal of described data transmission device (3) is connected with Power Quality Monitor Device (2) by wireless signal, described Power Quality Monitor Device (2) is connected with the slave computer data sink (7) of power-management centre (8) by wired switching, it is characterized in that:
Described electrical energy parameter harvester (1) comprises electrical energy parameter collection arithmetic unit (11) and connected current transformer (12) and voltage transformer (VT) (13); The built-in data monitoring software of described electrical energy parameter monitoring device (2); Described data transmission device (3) is by its communication interface (31) transmission data.
2. according to the described high voltage electric energy quality monitoring device of claim 1, it is characterized in that: described current transformer (12) is an Open Type Electric Current Mutual Inductor.
3. according to the described high voltage electric energy quality monitoring device of claim 2, it is characterized in that: also comprise the fuse (4) that device is carried out short-circuit protection; Described fuse (4) is by this device of fuse protected access.
4. according to the described high voltage electric energy quality monitoring device of claim 3, it is characterized in that: also comprise lightning arrester (5); Described lightning arrester (5) is to be connected in parallel with fuse (4), and inserts this device.
5. according to the described high voltage electric energy quality monitoring device of claim 4, it is characterized in that: also comprise stainless steel casing (6), described fuse (4) and lightning arrester (5) all place this stainless steel casing (6) outside.
6. according to the arbitrary described high voltage electric energy quality monitoring device of claim 1～5, it is characterized in that: described communication interface (31) is the RS-232 communication interface.
7. according to the described high voltage electric energy quality monitoring device of claim 6, it is characterized in that: it is digital electric power parameter acquisition operation control device that described electrical energy parameter is gathered operation control device (11).
8. according to the described high voltage electric energy quality monitoring device of claim 7, it is characterized in that: described fuse (4) is the full-automatic type drop out fuse of distance type.
9. described according to Claim 8 high voltage electric energy quality monitoring device is characterized in that: described lightning arrester (5) is reinforced Zinc-Oxide Arrester.
10. according to the described high voltage electric energy quality monitoring device of claim 9, it is characterized in that: described RS-232 communication interface GP configuring RS remote power parameter transmission device is realized the transmission of mobile network's remote parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200350423U CN201514444U (en) | 2009-10-15 | 2009-10-15 | High-voltage electric power monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200350423U CN201514444U (en) | 2009-10-15 | 2009-10-15 | High-voltage electric power monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201514444U true CN201514444U (en) | 2010-06-23 |
Family
ID=42485857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200350423U Expired - Fee Related CN201514444U (en) | 2009-10-15 | 2009-10-15 | High-voltage electric power monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201514444U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012059061A1 (en) * | 2010-11-04 | 2012-05-10 | 武汉国测恒通智能仪器有限公司 | Method and device for quality-monitoring of high-voltage electrical energy |
| CN104160282A (en) * | 2012-03-12 | 2014-11-19 | 松下电器产业株式会社 | Power meter |
| CN105116269A (en) * | 2015-10-16 | 2015-12-02 | 苏州华源电气有限公司 | Power quality detection and optimization structure for high-low-voltage power distribution cabinet |
| CN103207305B (en) * | 2013-03-06 | 2016-03-02 | 福建省电力有限公司 | A kind of voltage at interphase short circuit fault point of power transmission line transient value measuring method |
-
2009
- 2009-10-15 CN CN2009200350423U patent/CN201514444U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012059061A1 (en) * | 2010-11-04 | 2012-05-10 | 武汉国测恒通智能仪器有限公司 | Method and device for quality-monitoring of high-voltage electrical energy |
| CN104160282A (en) * | 2012-03-12 | 2014-11-19 | 松下电器产业株式会社 | Power meter |
| TWI493197B (en) * | 2012-03-12 | 2015-07-21 | Panasonic Corp | Power meter |
| CN103207305B (en) * | 2013-03-06 | 2016-03-02 | 福建省电力有限公司 | A kind of voltage at interphase short circuit fault point of power transmission line transient value measuring method |
| CN105116269A (en) * | 2015-10-16 | 2015-12-02 | 苏州华源电气有限公司 | Power quality detection and optimization structure for high-low-voltage power distribution cabinet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103760454B (en) | MOV lightning arrester leakance detection device, long distance control system and method | |
| CN101893672B (en) | Mine high-voltage cable state monitoring and fault diagnosis prewarning device | |
| CN102611172B (en) | Standard design of electric automobile charging facility | |
| CN104283319A (en) | Intelligent distribution transformer terminal | |
| CN212208349U (en) | Online risk assessment device of distribution transformer based on multisource information | |
| CN101127456A (en) | Intelligent management system for transformer substation assisted devices | |
| CN203894317U (en) | Online monitoring device used for leakage current of high-voltage cables | |
| CN203859389U (en) | Distribution box and power grid intelligent distribution monitoring equipment | |
| CN204442008U (en) | A kind of intelligent type low-voltage comprehensive distribution cabinet | |
| CN205160090U (en) | Incessant little electric wire netting grid -connected interface integrated device of stable state has | |
| CN201514444U (en) | High-voltage electric power monitoring device | |
| CN201926727U (en) | Power quality monitor | |
| CN103698590A (en) | Real-time voltage monitor device of 10KV power distribution network | |
| CN202837423U (en) | Wireless GPRS wind power power grid electric energy quality detection device based on DSP and ARM | |
| CN206364515U (en) | One kind automatically adjusts three-phase imbalance comprehensive distribution box | |
| CN201518419U (en) | High-voltage, medium-voltage and low-voltage comprehensive compensation control system for arc furnace | |
| CN113206544B (en) | Power grid GIC monitoring device based on transformer high-voltage incoming and outgoing lines | |
| CN204216589U (en) | A kind of be used for that platform district is idle, the quality of power supply and efficiency composite control apparatus | |
| CN201637789U (en) | On-line monitor tele-transferring device for arrester and monitoring system thereof | |
| CN113009207A (en) | Transformer reactive power disturbance calculation method based on GIC monitoring device | |
| CN203349964U (en) | Self-energy-obtaining wireless temperature sensing chip | |
| CN201364814Y (en) | Passive high-voltage wireless current transformer | |
| CN208283494U (en) | One kind being based on one or two fusion type Fault Isolation intelligent measuring and control devices | |
| CN201682274U (en) | Intelligent explosion-proof switch integrated protector | |
| CN202583332U (en) | Portable AC high voltage one pole type wireless nuclear phase device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20131015 |