CN106997658A - The reactive power compensator and its application method of a kind of low pressure controlled in wireless - Google Patents
The reactive power compensator and its application method of a kind of low pressure controlled in wireless Download PDFInfo
- Publication number
- CN106997658A CN106997658A CN201710089327.4A CN201710089327A CN106997658A CN 106997658 A CN106997658 A CN 106997658A CN 201710089327 A CN201710089327 A CN 201710089327A CN 106997658 A CN106997658 A CN 106997658A
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- Prior art keywords
- wireless
- module
- controlled
- reactive power
- receiver
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The present invention relates to a kind of reactive power compensator of low pressure controlled in wireless, including：Wireless controller and one or more controlled in wireless compensating units；The wireless controller includes wireless launcher, analog quantity sampling section, digital output part, control section, setting section, LED display and power supply；The controlled in wireless compensating unit includes power supply, air switch, switchboard, guard relay, wireless receiver and electric capacity；The wireless controller is communicated by wireless launcher with the wireless receiver inside controlled in wireless compensating unit；Compared with prior art, the beneficial effects of the invention are as follows：The present invention has the features such as simple in construction, easy to use, science is practical, substantially increase installation effectiveness, reduce maintenance cost, reduce production cost and cost of labor simultaneously, effectively realize remote control, avoid and personal injury is caused to workmen, and avoid economic loss of the equipment caused by short circuit, with wide promotional value.
Description
Technical field
The present invention relates to reactive-load compensation field, the reactive power compensator of more particularly to a kind of low pressure controlled in wireless and its use
Method.
Background technology
Understanding of the people to active power is very easy to, and wants heightened awareness reactive power not easy.
In sinusoidal current, the concept of reactive power is clear, and when containing harmonic wave, generally acknowledged reactive power definition is there is no so far.
But, the understanding of importance and reactive-load compensation importance to reactive power this concept, is consistent.Reactive power should be wrapped
Containing the compensation to First Harmonic Reactive Power and the compensation to harmonic wave reactive power.Reactive power to the operation of electric power system and load all
It is highly important.The impedance of power system network element is mainly inductive.Therefore, roughly, it is active in order to convey
Power, it is desirable to which sending end and receiving end have a phase difference, this can be realized in comparatively wide scope.And it is idle in order to convey
Power, then require that both end voltage has a difference in magnitude, and this can only be realized in very narrow scope.Not only most network element consumes nothing
Work(power, most of loads are also required to consume reactive power.Reactive power required for network element and load must be from network
In somewhere obtain.Obviously, if these reactive powers will be provided by generator and be unreasonable through long-distance transmission
, it is generally also impossible.Rational method should need the place for consuming reactive power to produce reactive power, here it is
Reactive-load compensation.The effect of reactive-load compensation mainly have it is following some：(1) power factor of electricity supplying and using system and load, reduction are improved
Place capacity, reduces power attenuation；(2) voltage of stable receiving end and power network, improves power supply quality.In long distance transmission line
Suitable place sets dynamic reactive compensation device, can also improve the stability of defeated system, improves ability to transmit electricity；(3) in electricity
The unbalanced occasion of the threephase loads such as electrified railway, the active and idle negative of three-phase can be balanced by appropriate reactive-load compensation
Carry.
Existing reactive power compensator must could realize control by secondary line, and idle compensating control can only pass through people
The action that capacitor switching could be controlled to switch after work wiring, this construction brings certain danger to operator, and produces
Product are in transportation of dispatching from the factory, and secondary line has loosening, come off, and have short circuit phenomenon after energization of reaching the spot, while to technical staff
Cause the possibility of personal injury.
The content of the invention
It is an object of the invention to provide a kind of low pressure simple in construction, easy to use, maintaining easily, realize remote control without
The reactive power compensator and its application method of line traffic control.
To achieve the above object, the present invention adopts the following technical scheme that realization：
A kind of reactive power compensator of low pressure controlled in wireless, including：Wireless controller and one or more controlled in wireless are mended
Repay unit；
The wireless controller include wireless launcher, analog quantity sampling section, digital output part, control section,
Setting section, LED display and power supply, control section and wireless launcher, analog quantity sampling section, digital output part,
Setting section is connected with LED display, and power supply is to wireless launcher, analog quantity sampling section, digital output part, control
Partly, setting section and LED display are powered；
The controlled in wireless compensating unit include power supply, air switch, switchboard, guard relay, wireless receiver and
Electric capacity, air switch is connected with power supply, and power supply is powered to switchboard, guard relay, wireless receiver, wireless receiver with
Switchboard is connected, and switchboard is connected with guard relay, and guard relay is connected with electric capacity；
The wireless controller is communicated by wireless launcher with the wireless receiver inside controlled in wireless compensating unit.
The wireless launcher includes circuit board and sets power supply module on circuit boards, photoelectric isolation module, control
Module, radiofrequency emitting module, acquisition module, acquisition module one end are connected with digital output part, the acquisition module other end
It is connected with photoelectric isolation module, photoelectric isolation module is connected with control module, control module is connected with radiofrequency emitting module
Connect, power supply module is powered to photoelectric isolation module, control module, radiofrequency emitting module, acquisition module.
The control module includes single-chip microcomputer, toggle switch and crystal oscillator, and single-chip microcomputer is connected with toggle switch and crystal oscillator.
The radiofrequency emitting module includes radio frequency chip, antenna and crystal oscillator, and radio frequency chip is connected with antenna and crystal oscillator.
The controlled in wireless compensating unit also includes reactance, and reactance one end is connected with guard relay, the other end and electricity
Appearance is connected.
The reactance has one or two or three.
The electric capacity has one or two or three.
The wireless receiver includes LED display, power supply, the radio frequency receiving of circuit board and setting on circuit boards
Block, relay, output port and single-chip microcomputer, power supply is to LED display, Receiver Module, relay, output port and monolithic
Machine is powered, and single-chip microcomputer is connected with LED display, Receiver Module, relay and output port, relay and output port
It is connected, output port is connected by connection with switchboard.
The switchboard, guard relay, four equipment of wireless receiver and electric capacity number it is equal.
A kind of application method of the reactive power compensator of low pressure controlled in wireless, comprises the following steps：
1) controlled in wireless compensating unit is arranged in power cabinet first, controlled in wireless compensating unit is with exchanging 380V power networks
It is connected, wireless controller is arranged in switch board, the PT of the analog quantity sampling section of wireless controller with exchanging 380V power networks
It is connected with CT；
2) the power factor threshold value or idle work(of 380V power networks are exchanged by the setting section setting of wireless controller
Rate threshold value, and the reactive power of each controlled in wireless compensating unit is set, the control section of wireless controller, which passes through, to be judged
The power factor or reactive power of 380V power networks are exchanged, is shown by the LED display of wireless controller；
If 3) power factor or reactive power judged are less than the setting value of consumer networks, the control of wireless controller
Part controls wireless launcher by digital output part, is launched control signal by the radiofrequency emitting module of wireless launcher
Receiver Module to wireless receiver；
4) control signal is transferred to the single-chip microcomputer of controlled in wireless compensating unit, nothing by the Receiver Module of wireless receiver
The single-chip microcomputer of line traffic control compensating unit by switchboard control guard relay put into electric capacity number, with reach by switching without
Capacitance compensation in line traffic control compensating unit exchanges the power factor or reactive power of 380V power networks.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention has the features such as simple in construction, easy to use, science is practical, substantially increases installation effectiveness, reduces
Maintenance cost, while reducing production cost and cost of labor, effectively realize remote control, it is to avoid workmen is made
Into personal injury, and economic loss of the equipment caused by short circuit is avoided, with wide promotional value.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the present invention；
Fig. 3 is the structural representation of wireless launcher of the present invention；
Fig. 4 is the structural representation of wireless receiver of the present invention；
Fig. 5 is controlled in wireless basic circuit diagram of the present invention.
Embodiment
The embodiment to the present invention is described further below in conjunction with the accompanying drawings：
Embodiment one
As shown in figure 1, a kind of reactive power compensator of low pressure controlled in wireless, including：Wireless controller and one or more
Controlled in wireless compensating unit；The wireless controller include wireless launcher, analog quantity sampling section, digital output part,
Control section, setting section, LED display and power supply, control section and wireless launcher, analog quantity sampling section, digital quantity
Output par, c, setting section are connected with LED display, and power supply is to wireless launcher, analog quantity sampling section, digital output
Partly, control section, setting section and LED display are powered；The controlled in wireless compensating unit include power supply, air switch,
Switchboard, guard relay, wireless receiver and electric capacity, air switch are connected with power supply, and power supply is to switchboard, holding relay
Device, wireless receiver are powered, and wireless receiver is connected with switchboard, and switchboard is connected with guard relay, keep relay
Device is connected with electric capacity；The wireless controller passes through the wireless receiver inside wireless launcher and controlled in wireless compensating unit
Communicate.
As shown in figure 3, the wireless launcher includes power supply module, the Phototube Coupling of circuit board and setting on circuit boards
Module, control module, radiofrequency emitting module, acquisition module, acquisition module one end are connected with digital output part, gather mould
The block other end is connected with photoelectric isolation module, and photoelectric isolation module is connected with control module, control module and radio-frequency transmissions
Module is connected, and power supply module is powered to photoelectric isolation module, control module, radiofrequency emitting module, acquisition module.
The control module includes single-chip microcomputer, toggle switch and crystal oscillator, and single-chip microcomputer is connected with toggle switch and crystal oscillator.
The radiofrequency emitting module includes radio frequency chip, antenna and crystal oscillator, and radio frequency chip is connected with antenna and crystal oscillator.
The electric capacity has one or two or three.
As shown in figure 4, the wireless receiver includes circuit board and sets LED display on circuit boards, power supply, penetrates
Frequency receiving module, relay, output port and single-chip microcomputer, power supply is to LED display, Receiver Module, relay, output end
Mouthful and single-chip microcomputer power, single-chip microcomputer is connected with LED display, Receiver Module, relay and output port, relay and
Output port is connected, and output port is connected by connection with switchboard.
The switchboard, guard relay, four equipment of wireless receiver and electric capacity number it is equal.
Embodiment two
As shown in Fig. 2 a kind of reactive power compensator of low pressure controlled in wireless, including：Wireless controller and one or more
Controlled in wireless compensating unit；The wireless controller include wireless launcher, analog quantity sampling section, digital output part,
Control section, setting section, LED display and power supply, control section and wireless launcher, analog quantity sampling section, digital quantity
Output par, c, setting section are connected with LED display, and power supply is to wireless launcher, analog quantity sampling section, digital output
Partly, control section, setting section and LED display are powered；The controlled in wireless compensating unit include power supply, air switch,
Switchboard, guard relay, wireless receiver and electric capacity, air switch are connected with power supply, and power supply is to switchboard, holding relay
Device, wireless receiver are powered, and wireless receiver is connected with switchboard, and switchboard is connected with guard relay, keep relay
Device is connected with electric capacity；The wireless controller passes through the wireless receiver inside wireless launcher and controlled in wireless compensating unit
Communicate；The controlled in wireless compensating unit also includes reactance, and reactance one end is connected with guard relay, the other end and electric capacity
It is connected.
As shown in figure 3, the wireless launcher includes power supply module, the Phototube Coupling of circuit board and setting on circuit boards
Module, control module, radiofrequency emitting module, acquisition module, acquisition module one end are connected with digital output part, gather mould
The block other end is connected with photoelectric isolation module, and photoelectric isolation module is connected with control module, control module and radio-frequency transmissions
Module is connected, and power supply module is powered to photoelectric isolation module, control module, radiofrequency emitting module, acquisition module.
The control module includes single-chip microcomputer, toggle switch and crystal oscillator, and single-chip microcomputer is connected with toggle switch and crystal oscillator.
The radiofrequency emitting module includes radio frequency chip, antenna and crystal oscillator, and radio frequency chip is connected with antenna and crystal oscillator.
The reactance has one or two or three.
The electric capacity has one or two or three.
As shown in figure 4, the wireless receiver includes circuit board and sets LED display on circuit boards, power supply, penetrates
Frequency receiving module, relay, output port and single-chip microcomputer, power supply is to LED display, Receiver Module, relay, output end
Mouthful and single-chip microcomputer power, single-chip microcomputer is connected with LED display, Receiver Module, relay and output port, relay and
Output port is connected, and output port is connected by connection with switchboard.
The switchboard, guard relay, four equipment of wireless receiver and electric capacity number it is equal.
As shown in figure 5, the application method of embodiment one and embodiment two, comprises the following steps：
1) controlled in wireless compensating unit is arranged in power cabinet first, controlled in wireless compensating unit is with exchanging 380V power networks
It is connected, wireless controller is arranged in switch board, the PT of the analog quantity sampling section of wireless controller with exchanging 380V power networks
It is connected with CT；
2) the power factor threshold value or idle work(of 380V power networks are exchanged by the setting section setting of wireless controller
Rate threshold value, and the reactive power of each controlled in wireless compensating unit is set, the control section of wireless controller, which passes through, to be judged
The power factor or reactive power of 380V power networks are exchanged, is shown by the LED display of wireless controller；
If 3) power factor or reactive power judged are less than the setting value of consumer networks, the control of wireless controller
Part controls wireless launcher by digital output part, is launched control signal by the radiofrequency emitting module of wireless launcher
Receiver Module to wireless receiver；
4) control signal is transferred to the single-chip microcomputer of controlled in wireless compensating unit, nothing by the Receiver Module of wireless receiver
The single-chip microcomputer of line traffic control compensating unit by switchboard control guard relay put into electric capacity number, with reach by switching without
Capacitance compensation in line traffic control compensating unit exchanges the power factor or reactive power of 380V power networks.
The present invention can also realize controlled in wireless by Ethernet, and control principle is identical.
Embodiment described above is only the tool to describe the purpose of the present invention in detail, technical scheme and beneficial effect are chosen
Body example, but protection scope of the present invention is should in no way limit, it is all on the premise of without prejudice to the spirit and principles in the present invention, made
Various modifications, equivalent substitution and improvement, all should fall under the scope of the present invention.
Claims (10)
1. a kind of reactive power compensator of low pressure controlled in wireless, it is characterised in that including：Wireless controller and one or more nothings
Line traffic control compensating unit；
The wireless controller includes wireless launcher, analog quantity sampling section, digital output part, control section, setting
Partly, LED display and power supply, control section and wireless launcher, analog quantity sampling section, digital output part, setting
Part is connected with LED display, and power supply is to wireless launcher, analog quantity sampling section, digital output part, control unit
Divide, setting section and LED display are powered；
The controlled in wireless compensating unit includes power supply, air switch, switchboard, guard relay, wireless receiver and electric capacity,
Air switch is connected with power supply, and power supply is powered to switchboard, guard relay, wireless receiver, wireless receiver and switch
Plate is connected, and switchboard is connected with guard relay, and guard relay is connected with electric capacity；
The wireless controller is communicated by wireless launcher with the wireless receiver inside controlled in wireless compensating unit.
2. a kind of reactive power compensator of low pressure controlled in wireless according to claim 1, it is characterised in that the wireless transmission
Device includes circuit board and sets power supply module on circuit boards, photoelectric isolation module, control module, radiofrequency emitting module, adopts
Collect module, acquisition module one end is connected with digital output part, and the acquisition module other end is connected with photoelectric isolation module,
Photoelectric isolation module is connected with control module, and control module is connected with radiofrequency emitting module, and power supply module is to Phototube Coupling
Module, control module, radiofrequency emitting module, acquisition module are powered.
3. a kind of reactive power compensator of low pressure controlled in wireless according to claim 2, it is characterised in that the control module
Including single-chip microcomputer, toggle switch and crystal oscillator, single-chip microcomputer is connected with toggle switch and crystal oscillator.
4. a kind of reactive power compensator of low pressure controlled in wireless according to claim 2, it is characterised in that the radio-frequency transmissions
Module includes radio frequency chip, antenna and crystal oscillator, and radio frequency chip is connected with antenna and crystal oscillator.
5. a kind of reactive power compensator of low pressure controlled in wireless according to claim 1, it is characterised in that the controlled in wireless
Compensating unit also includes reactance, and reactance one end is connected with guard relay, and the other end is connected with electric capacity.
6. a kind of reactive power compensator of low pressure controlled in wireless according to claim 5, it is characterised in that the reactance has one
It is individual or two or three.
7. a kind of reactive power compensator of low pressure controlled in wireless according to claim 1, it is characterised in that the electric capacity has one
It is individual or two or three.
8. a kind of reactive power compensator of low pressure controlled in wireless according to claim 1, it is characterised in that the wireless receiving
Device includes LED display, power supply, Receiver Module, relay, output port and the list of circuit board and setting on circuit boards
Piece machine, power supply is powered to LED display, Receiver Module, relay, output port and single-chip microcomputer, and single-chip microcomputer is shown with LED
Screen, Receiver Module, relay are connected with output port, and relay is connected with output port, and output port passes through logical
News line is connected with switchboard.
9. a kind of reactive power compensator of low pressure controlled in wireless according to claim 1, it is characterised in that the switchboard,
Guard relay, four equipment of wireless receiver and electric capacity number it is equal.
10. a kind of application method of the reactive power compensator of low pressure controlled in wireless according to claim 1, it is characterised in that
Comprise the following steps：
1) controlled in wireless compensating unit is arranged in power cabinet first, controlled in wireless compensating unit is connected with exchanging 380V power networks
Connect, wireless controller is arranged in switch board, the analog quantity sampling section of wireless controller and the PT and CT that exchange 380V power networks
It is connected；
2) the power factor threshold value or reactive power door of 380V power networks are exchanged by the setting section setting of wireless controller
Threshold value, and the reactive power of each controlled in wireless compensating unit is set, the control section of wireless controller, which passes through, to be judged to exchange
The power factor or reactive power of 380V power networks, are shown by the LED display of wireless controller；
If 3) power factor or reactive power judged are less than the setting value of consumer networks, the control section of wireless controller
Wireless launcher is controlled by digital output part, control signal is transmitted to nothing by the radiofrequency emitting module of wireless launcher
The Receiver Module of line receiver；
4) control signal is transferred to the single-chip microcomputer of controlled in wireless compensating unit, wireless controlled by the Receiver Module of wireless receiver
The single-chip microcomputer of compensating unit processed controls the electric capacity number that guard relay is put into by switchboard, to reach by switching wireless controlled
Capacitance compensation in compensating unit processed exchanges the power factor or reactive power of 380V power networks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089327.4A CN106997658A (en) | 2017-02-20 | 2017-02-20 | The reactive power compensator and its application method of a kind of low pressure controlled in wireless |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089327.4A CN106997658A (en) | 2017-02-20 | 2017-02-20 | The reactive power compensator and its application method of a kind of low pressure controlled in wireless |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106997658A true CN106997658A (en) | 2017-08-01 |
Family
ID=59431341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710089327.4A Pending CN106997658A (en) | 2017-02-20 | 2017-02-20 | The reactive power compensator and its application method of a kind of low pressure controlled in wireless |
Country Status (1)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203456876U (en) * | 2013-09-22 | 2014-02-26 | 国家电网公司 | A low-voltage power grid wireless remote control reactive power compensation apparatus |
| CN103779957A (en) * | 2012-10-22 | 2014-05-07 | 西安交大京盛科技发展有限公司 | High-reliability reactive power compensator |
| CN204316093U (en) * | 2014-04-11 | 2015-05-06 | 华北电力大学 | The mixing arrangement of idle compensating control and Intelligent capacitor group |
| CN106130036A (en) * | 2016-08-24 | 2016-11-16 | 浙江长兴杭华玻璃有限公司 | A kind of low-voltage reactive power inductive load tip compensates system |
-
2017
- 2017-02-20 CN CN201710089327.4A patent/CN106997658A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779957A (en) * | 2012-10-22 | 2014-05-07 | 西安交大京盛科技发展有限公司 | High-reliability reactive power compensator |
| CN203456876U (en) * | 2013-09-22 | 2014-02-26 | 国家电网公司 | A low-voltage power grid wireless remote control reactive power compensation apparatus |
| CN204316093U (en) * | 2014-04-11 | 2015-05-06 | 华北电力大学 | The mixing arrangement of idle compensating control and Intelligent capacitor group |
| CN106130036A (en) * | 2016-08-24 | 2016-11-16 | 浙江长兴杭华玻璃有限公司 | A kind of low-voltage reactive power inductive load tip compensates system |
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