CN208443924U - A kind of pair of line loss realizes the circuit breaker system of management through quantification - Google Patents
A kind of pair of line loss realizes the circuit breaker system of management through quantification Download PDFInfo
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- CN208443924U CN208443924U CN201721305532.1U CN201721305532U CN208443924U CN 208443924 U CN208443924 U CN 208443924U CN 201721305532 U CN201721305532 U CN 201721305532U CN 208443924 U CN208443924 U CN 208443924U
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- voltage
- breaker
- sensor
- line loss
- circuit breaker
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Abstract
The utility model provides the circuit breaker system that a kind of pair of line loss realizes management through quantification, the system is made of at least two release units, the circuit breaker system reads active power, reactive power and the power factor of two release units on overhead transmission line, and the line loss for the overhead transmission line that simple subtraction obtains between two devices is done to reading value；The release unit includes breaker, voltage sensor, current sensor, cable and intelligent FTU, and the breaker includes voltage sensor, current sensor, input terminal, outlet terminal, insulated pull rod, crust of the device and vacuum interrupter.The utility model has the following beneficial effects: providing a kind of pair of line loss realizes precise acquisition and measurement of the circuit breaker system of management through quantification for the voltage and current on overhead transmission line, accurately calculating and managing to overhead transmission line loss is realized.
Description
Technical field
The utility model relates to the open circuits that high-voltage circuit breaker equipment more particularly to a kind of pair of line loss realize management through quantification
Device system.
Background technique
The advantages that D.C. high voltage transmission is controllable with its power transmission, transimission power is big, route low cost, remote, big
It is occupied an important position in capacity transmission and back-to-back system (CCC-0) networking, DC transmission system capacity is stepped up at present, while direct current
The loss accounting of system also constantly increases.Estimation prediction is carried out, it can be achieved that direct current system to the loss of each direct current in direct current system
The prediction of system loss and the proportion of goods damageds can determine optimal trend configuration on this basis, reduce power grid electric energy loss and line loss
Rate realizes distributing rationally for electric network swim.
Intelligent FTU equipment has remote control, remote signalling, fault detection capability, and communicates with power distribution automation main station, mentions
Power supply-distribution system operating condition and various parameters monitor control information needed, including switch state, electrical energy parameter, alternate event
Parameter when barrier, ground fault and failure, and the order that distribution main website issues is executed, controller switching equipment is adjusted and is controlled
System realizes the functions such as fault location, Fault Isolation and non-faulting region fast recovery of power supply.Intelligent FTU equipment is installation
Intelligent terminal on switchgear house or feeder line.It can be communicated with the electronic station of matching in a distant place, by the operation number of controller switching equipment
It can also receive the control command with electronic station with electronic station according to being sent to, controller switching equipment is controlled and is adjusted.Intelligence feedback
Line terminal equipment be with advanced DSP Digital Signal Processing, multi -CPU integrated technology, high-speed industrial network communication technology, every
From technology embedded real-time multi-task operating system, stability is strong, high reliablity, real-time are good, adaptation environment is wide, function is strong
It greatly, is a kind of feeder automation terminal unit of new generation dress for integrating the functions such as telemetering, remote signalling, remote control, protection and communication
It sets.
High-voltage circuitbreaker plays control action in high-tension circuit, is one of the important electric elements in high-tension circuit.Open circuit
Device is used to be switched on or switched off circuit when operating normally, fault condition rapid disconnecting circuit under the action of protective relaying device,
Short circuit current is reliably connected under special circumstances (when on such as automatic reclosing to faulty line).High-voltage circuitbreaker is in normal or event
It is switched on or switched off the dedicated electric appliance of high-tension circuit in the case of barrier.Breaker primarily serves control action and protective effect, existing
High-voltage circuitbreaker device for the accurate measurement of high voltage overhead lines damage and management not yet emerges.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, provides a kind of pair of line loss and realizes metering grade management
Release unit, realize the accurate measurement and management to high voltage overhead lines damage.
To achieve the goals above, the following technical solution is employed for the utility model:
The utility model provides the circuit breaker system that a kind of pair of line loss realizes management through quantification, and the system is by least two
Release unit composition, the circuit breaker system read the active power of two release units on overhead transmission line, idle function
Rate and power factor do the line loss for the overhead transmission line that simple subtraction obtains between two devices to reading value；
The release unit includes breaker, voltage sensor, current sensor, cable and intelligent FTU,
Wherein, voltage sensor and current sensor are built in breaker, for acquiring voltage and current signal in route, intelligence
Line feed terminals are connect by cable with breaker, analyze forward and reverse active power, four-quadrant reactive power and power for calculating
Factor；
The breaker include voltage sensor, current sensor, input terminal, outlet terminal, insulated pull rod, outside device
Shell and vacuum interrupter, the input terminal and outlet terminal are mounted on the two sides of described device shell, the voltage sensor
Device, current sensor, insulated pull rod and vacuum interrupter are installed on described device interior of shell, and the vacuum interrupter is located at institute
It states between input terminal and outlet terminal.
Preferably, the breaker includes ZW20 type breaker, 10KV on-load switch and ring network cabinet unit.
Preferably, the voltage sensor is by the electronic type voltage used on 110kV and the above power transmission and transformation line
Novel high-precision voltage sensor after mutual inductor miniaturization, the voltage sensor are configured for the voltage of gathering line road
Signal, precision is up to 0.5 grade.
Preferably, the core material of the current sensor is amorphous alloy, and the current sensor is configured for adopting
The current signal of line concentration road, precision reach 0.5S grades.
Preferably, the cable includes coaxial multiple twin signal shielding cable.
Preferably, the intelligent FTU is metering module, realizes that forward and reverse active power calculates and four-quadrant is idle
Power calculation and power factor calculate.
Preferably, the intelligent FTU has store function, for storing the result being calculated.
Realize the circuit breaker system of management through quantification for frame the utility model has the following beneficial effects: providing a kind of pair of line loss
The precise acquisition of the voltage and current of ceases to be busy road and measurement realize accurately calculating and managing to overhead transmission line loss.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, below in conjunction with attached drawing to the utility model
Embodiment be described further, in which:
Fig. 1 is a kind of structure chart of the release unit provided in the utility model；
Fig. 2 is a kind of structure chart of the embodiment of the breaker provided in the utility model；
Fig. 3 is one embodiment that a kind of pair of line loss provided in the utility model realizes the circuit breaker system of management through quantification
System architecture figure.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
Clear, complete description, to be completely understood by the purpose of this utility model, scheme and effect.It should be noted that not conflicting
In the case where, the features in the embodiments and the embodiments of the present application can be combined with each other.What is used everywhere in attached drawing is identical
Appended drawing reference indicates the same or similar part.
The utility model provides the circuit breaker system that a kind of pair of line loss realizes management through quantification, realizes to overhead line path loss
Consumption is accurately calculated and is managed.
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more obvious and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiment.Based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts all other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
Fig. 1 is shown according to a kind of structural schematic diagram of release unit disclosed by the utility model, practical new according to this
One embodiment of type, be based on the release unit, including breaker 1, voltage sensor 2, current sensor 3, cable 4 with
And intelligent FTU 5, wherein voltage sensor 2 and current sensor 3 are built in breaker 1, for acquiring in route
Voltage and current signal, intelligent FTU 5 are connect by cable 4 with breaker 1, analyze forward and reverse wattful power for calculating
Rate, four-quadrant reactive power and power factor.
It is described disconnected referring to the structure chart of the embodiment shown in Fig. 2 according to a kind of breaker provided in the utility model
Road device include voltage sensor 2, current sensor 3, input terminal 7, outlet terminal 8, insulated pull rod 9, crust of the device 10 and
Vacuum interrupter 11.
The circuit breaker system of management through quantification is realized according to a kind of pair of line loss provided in the utility model referring to shown in Fig. 3
The system architecture figure of one embodiment, one embodiment according to the present utility model install the 10kV frame of utility model device
Ceases to be busy road 6 is divided into several segments, is accurately adopted by high precision electro pressure sensor built in breaker 1 and high precision electric current transducer
Collect 10kV overhead transmission line voltage and current, and by coaxial multiple twin signal shielding cable 4 is transferred to voltage and current signal built-in
The intelligent FTU 5 of line loss metering module.Intelligent FTU 5 is by carrying out secondary place to the voltage and current signal of sampling
Reason, and the parameters such as active power on overhead transmission line, reactive power and power factor are calculated by software algorithm.
In a preferred embodiment, line loss metering module built in the intelligent FTU is based on high-accuracy voltage
The 10kV panel switches metering device of sensor and high precision electric current transducer acquires the high-accuracy voltage built in pole-mounted circuit breaker
Sensor and high precision electric current transducer monitoring secondary voltage and secondary current, and to collected voltage and current data into
Row calculates, and obtains the parameters such as active power, reactive power and power factor.On 10kV overhead transmission line, by aerial to 10kV
The reading of the parameter values such as active power, reactive power and the power factor that two intelligent FTUs are tested on route, to reading
Value does simple subtraction you can get it the line loss value of the 10kV overhead transmission line between two devices.
In another preferred embodiment, the intelligent FTU has store function, can will be calculated
Data are stored in a storage medium.The intelligent FTU acquisition high precision electro pressure sensor and high precision electric current transducer prison
The secondary voltage and secondary current of survey calculate collected voltage and current data, obtain active power, reactive power
With the parameters such as power factor, and the data being calculated are stored in a storage medium.
In another preferred embodiment, the intelligent FTU has communication function, can will be calculated
Data are transmitted to backstage and are handled and analyzed.The intelligent FTU acquisition high precision electro pressure sensor and high-precision current
Sensor monitoring secondary voltage and secondary current, collected voltage and current data are calculated, obtain active power,
The parameters such as reactive power and power factor, and obtained data parameters are sent to backstage and is handled and is analyzed.
In another preferred embodiment, the intelligent FTU and background management system cooperate, and realize high pressure
The fault detection and alarm of route.The intelligent FTU acquisition high precision electro pressure sensor and high precision electric current transducer prison
The secondary voltage and secondary current of survey calculate collected voltage and current data, obtain active power, reactive power
With the parameters such as power factor, and obtained data parameters are sent to backstage and is handled and is analyzed, when distribution network occurred
When flowing failure, fault current is more than current ration, and abnormal data is sent to background management system and is divided by intelligent FTU
Analysis alerts after background system response.
Further, in the above-described embodiments, device disclosed by the utility model can realize the function of fault location.Installation
The 10kV overhead transmission line of utility model device is divided into several segments, passes through the high precision electro pressure sensor and height built in breaker
Precision current sensor precise acquisition 10kV overhead transmission line voltage and current, and pass through coaxial multiple twin signal shielding cable for voltage
Current signal is transferred to the intelligent FTU of built-in line loss metering module.Intelligent FTU passes through the voltage and current to sampling
Signal carries out secondary treatment, and active power on overhead transmission line, reactive power and power factor is calculated by software algorithm
Etc. parameters.Since overhead transmission line is divided into several segments, so the data which section wireline inspection arrives can be observed intuitively very much
There is exception, thus quickly fault point position.
Although the description of the utility model is quite detailed and especially several embodiments are described,
Be not intended to be limited to any of these details or embodiment or any specific embodiments, but should be considered as be by reference to
A possibility that appended claims provide broad sense in view of the prior art for these claims explanation, to effectively cover this
The preset range of utility model.In addition, the utility model is described with utility model people foreseeable embodiment above,
Purpose is to provide for useful description, and those unsubstantiality changes to the utility model still unforeseen at present still can generation
The equivalent modifications of table the utility model.
Claims (1)
1. the circuit breaker system that a kind of pair of line loss realizes management through quantification, which is characterized in that the system is by least two breakers
Device composition, the circuit breaker system read active power, reactive power and the function of two release units on overhead transmission line
Rate factor does the line loss for the overhead transmission line that simple subtraction obtains between two devices to reading value；
The release unit includes breaker, voltage sensor, current sensor, cable and intelligent FTU, wherein
Voltage sensor and current sensor are built in breaker, for acquiring voltage and current signal in route, Intelligent feeder line
Terminal is connect by cable with breaker, analyzes forward and reverse active power, four-quadrant reactive power and power factor for calculating；
The breaker include voltage sensor, current sensor, input terminal, outlet terminal, insulated pull rod, crust of the device with
And vacuum interrupter, the input terminal are mounted on the two sides of described device shell, the voltage sensor, electricity with outlet terminal
Flow sensor, insulated pull rod and vacuum interrupter are installed on described device interior of shell, the vacuum interrupter be located at it is described into
Between line terminals and outlet terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305532.1U CN208443924U (en) | 2017-10-10 | 2017-10-10 | A kind of pair of line loss realizes the circuit breaker system of management through quantification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721305532.1U CN208443924U (en) | 2017-10-10 | 2017-10-10 | A kind of pair of line loss realizes the circuit breaker system of management through quantification |
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| Publication Number | Publication Date |
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| CN208443924U true CN208443924U (en) | 2019-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721305532.1U Active CN208443924U (en) | 2017-10-10 | 2017-10-10 | A kind of pair of line loss realizes the circuit breaker system of management through quantification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741530A (en) * | 2017-10-10 | 2018-02-27 | 珠海许继电气有限公司 | A kind of release unit that management through quantification is realized to line loss, system and implementation method |
-
2017
- 2017-10-10 CN CN201721305532.1U patent/CN208443924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107741530A (en) * | 2017-10-10 | 2018-02-27 | 珠海许继电气有限公司 | A kind of release unit that management through quantification is realized to line loss, system and implementation method |
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