CN206148953U - Humorous wave mode intelligence power factor controller of low pressure - Google Patents
Humorous wave mode intelligence power factor controller of low pressure Download PDFInfo
- Publication number
- CN206148953U CN206148953U CN201621016951.9U CN201621016951U CN206148953U CN 206148953 U CN206148953 U CN 206148953U CN 201621016951 U CN201621016951 U CN 201621016951U CN 206148953 U CN206148953 U CN 206148953U
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- Prior art keywords
- module
- signal
- main control
- capacitor
- low pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
Abstract
The utility model relates to a humorous wave mode intelligence power factor controller of low pressure, including signal monitoring module, signal processing module, the main control module, harmonic processing module, electric capacity switching module, trouble feedback module, dynamic switch module, electric capacity protective film piece, capacitor bank and power module, manually enter the module, display module, signal processing module 0 and the signal processing module 1 continuous with the main control module. But the current/voltage signal on this intelligent power factor controller real time monitoring power bus calculates current power factor and contrasts with target power factor, calculates the reactive compensation demand and contrasts with current electric capacity pool -size, finally reachs the unit that needs the compensation and controls corresponding compensation unit and insert, realizes carrying out the purpose that compensates according to the reactive compensation demand according to current electric capacity group. In addition, it can be rateed and show on display element by real -time calculation play harmonic distortion, provides favorable foundation for harmonic filtering rectifies.
Description
Technical field
This utility model is related to technical field of electric equipment, and in particular to a kind of low pressure Harmonic Type intelligent power factor control
Device.
Background technology
In the electrical apparatus, load absorbs electrical power (active) from electrical network as power supply, or is converted into another kind
The energy output of form.For this purpose, inductive load generally has to obtain non-actually required quadergy from electrical network.Even if the energy
The energy of other forms is converted into immediately can not, the general power that also increase is flowed in electrical network.To reduce such negative effect
The harm that should be brought, then need to carry out PFC in the electrical apparatus.Power factor school is carried out by using capacitor bank
Just, quadergy is provided at the scene to meet the demand of transmitting active power.
Electric load in electrical network such as motor, transformator etc., major part belongs to inductive reactance, needs in running
Corresponding reactive power is provided to these equipment.Again due to the addition of converter, the factor that harmonic wave etc. is unfavorable for electrical network is generated,
So needing a kind of low pressure Harmonic Type Intelligent Power Fsctor Controller.
Utility model content
The purpose of this utility model is to solve the deficiencies such as existing power factor controller complex structure, single function, is carried
For a kind of power factor controller compensated by reactive-load compensation requirement according to capacitance present pool-size, its technical scheme is such as
Under：
A kind of low pressure Harmonic Type Intelligent Power Fsctor Controller, including following sections：
The signal monitoring module being connected with power source bus, the signal monitoring module are used to monitor power system main line electric current electricity
Pressure signal simultaneously adapts to electrical network phase sequence and current phase automatically；
The signal processing module being connected with signal monitoring module, the signal processing module are used to receive current and voltage signals simultaneously
By analog signal processing into digital signal；
The main control module being connected with signal processing module, for process all signals for receiving and under send instructions；
The capacitor switching module being connected with main control module, for receiving instruction the feedback capacity that main control module sends
Fault message；
The failure feedback module being connected with capacitor switching module, for monitoring, feedback condenser group ruuning situation；
The dynamic switch module being connected with failure feedback module, for receiving instruction that capacitor switching module sends and to electricity
Container group is controlled；
The electric capacity protection module being connected with dynamic switch module and power source bus, for receiving what capacitor switching module sent
Instruction is protected to capacitor simultaneously；
The capacitor bank being connected with electric capacity protection module, dynamic switch module and failure feedback module；
The harmonic management module being connected with main control module, for analyzing and processing the harmonic number from electrical network for receiving
According to.
In such scheme, the signal monitoring module is comprising the voltage transformer for collection voltages signal and for gathering
The current transformer of current signal.
In such scheme, the signal processing module includes analog-digital converter, and the analog-digital converter is for signal is supervised
The voltage and current signal for surveying module collection is converted to digital signal and sends main control module to.
In such scheme, the main control module includes processing unit, clock unit and recording unit, the processing unit
For processing digital signal and sending output order, the clock unit is used for timing, and the recording unit is based on for record
The warning message of clock unit, and the switching of capacitor bank and put into operation total time.
In such scheme, the capacitor switching module includes capacitor switching control relay, capacitor switching control after
Electrical equipment is used to receive the main control module output order for sending the switching action for controlling capacitor bank, and receives failure feedback mould
Failure alarm signal that block is sent simultaneously sends main control module to.
In such scheme, the failure feedback module includes fault monitor and fault alarm relay, the failure prison
Surveying device is used for the switching state of monitoring capacitor group and feeds back failure and alarm signal, and the fault alarm relay is according to failure
Alarm command carries out being turned on and off order.
In such scheme, the dynamic switch module includes capacitor group switch control relay, and the capacitor bank is thrown
Cut control relay and instruct and carry out open and close action for receiving switching.
In such scheme, the low pressure Harmonic Type Intelligent Power Fsctor Controller also includes the electricity being connected with main control module
Source module, manual input module, display module, communication module and data memory module.The power module is for each mould
Block input power simultaneously provides overvoltage protection, under-voltage protection harmonic interference and insulation, and the manual input module is for manual
Input instruction simultaneously sends an instruction to main control module, the display module be used for show main control module output power because
The parameter such as number, capacitor group switching requirement, percent harmonic distortion, police instruction, the communication module is for carrying out data with the external world
Exchange and remote data shows, the data memory module is used to receiving and storing all ginsengs that master controller is received and exported
Number.
This utility model has the advantages that：(1) current and voltage signals that can be on monitor in real time power source bus, calculate
Go out current power factor and contrasted with target power factor, calculate reactive-load compensation requirement and enter with capacitance present pool-size
Row contrast, finally calculating needs the unit of compensation and controls corresponding compensating unit to access, and realization is pressed according to capacitance present group
The purpose that reactive-load compensation requirement is compensated；(2) percent harmonic distortion can be calculated in real time and is shown on the display unit, be humorous
Ripple filtering and calibration provides favourable foundation；(3) all results can show and be stored.
Description of the drawings
Structure and principle schematic of the Fig. 1 for this utility model low pressure Harmonic Type Intelligent Power Fsctor Controller.
Specific embodiment
To make those of ordinary skill in the art fully understand the technical solution of the utility model and beneficial effect, below in conjunction with
Specific embodiment and accompanying drawing are further described.Described below only utility model preferably specific embodiment, but this reality
It is not limited thereto with new protection domain.
As shown in figure 1, a kind of low pressure Harmonic Type Intelligent Power Fsctor Controller, including signal detection module, signal processing
Module, main control module, harmonic management module, capacitor switching module, failure feedback module, dynamic switch module, electric capacity protection
Module, capacitor bank and the power module being connected with main control module, manual input module, display module, communication module and
Data memory module.The signal monitoring module and electric capacity protection module are connected with power source bus respectively, the signal detection mould
Block successively with signal processing module, main control module, capacitor switching module, failure feedback module, dynamic switch module and electricity
Hold protection module to be connected, form a complete loop.Capacitor bank respectively with electric capacity protection module, dynamic switch module, therefore
Barrier feedback module is connected, and harmonic management module is individually connected with main control module.
Above-mentioned each module concrete structure and function are as follows：Signal monitoring module is mutual comprising the voltage for collection voltages signal
Sensor and the current transformer for gathering current signal, can monitor power system main line current and voltage signals and adapt to automatically
Electrical network phase sequence and current phase.Signal processing module includes analog-digital converter, its voltage that can be gathered signal monitoring module
Current signal is converted to digital signal and sends main control module to.Main control module includes processing unit, clock unit and note
Record unit, wherein processing unit are used to process digital signal and send output order, and clock unit is used for timing, and recording unit is used
In warning message of the record based on clock unit, and the switching of capacitor bank and put into operation total time.Capacitor switching module bag
Control relay containing capacitor switching, its switching that can receive the main control module output order for sending and control capacitor bank are moved
Make, receive failure alarm signal that failure feedback module sends and send main control module to.Failure feedback module includes failure
Monitor and fault alarm relay, wherein fault monitor are used for the switching state of monitoring capacitor group and feed back failure and report
Alert signal, fault alarm relay carry out being turned on and off order according to fault alarm order.Dynamic switch module includes electric capacity
Device group switching control relay, the capacitor group switch control relay be used for receive switching instruct and carry out open and close move
Make.Electric capacity protection module is used to receiving instruction that capacitor switching module sends while protecting to capacitor, harmonic management mould
Block can analyze and process the harmonic data from electrical network for receiving.
Low pressure Harmonic Type Intelligent Power Fsctor Controller operation principle of the present utility model is as follows：Access the letter of power source bus
Number monitoring modular real-time monitoring power system main line current and voltage signals, while adapting to automatically electrical network phase sequence and current phase；Its
The current and voltage signals for receiving are passed to into signal processing module digital signal is converted analog signals into by which, after conversion
Digital signal is input in master controller.Master controller is further processed to the digital signal for receiving, and obtains current
Power factor and the instruction with manual input module input or the power factor standard value of default instruction contrasted, calculate
Reactive-load compensation requirement is simultaneously contrasted with capacitance present device pool-size, and drawing needs the thermal compensation signal of compensation capacity and to capacitor switching
Module sends switching instruction.Harmonic management module carries out harmonic wave fundamental wave point to the digital signal received from signal processing module
From the harmonic wave separated is contrasted with the fundamental wave of standard, draws harmonic content and data are passed to main control module.At this
During individual, display module can show that (power factor, capacitor group switching requirement, percent harmonic distortion, warning refer to corresponding parameter
Show), in case checking during all of |input paramete, communications parameter, data, instruction etc. all will be saved to data memory module.
Capacitor switching module can receive the capacitor bank fault message from failure feedback module feedback and send master controller to and send
It is corresponding to instruct.Dynamic switch module is used to receiving instruction that capacitor switching module sends so as to be controlled to capacitor bank,
Failure feedback module is used for the state of sensing capacitor group, electric capacity protection module for protecting to capacitor bank.
Claims (8)
1. a kind of low pressure Harmonic Type Intelligent Power Fsctor Controller, it is characterised in that including following functions module：
The signal monitoring module being connected with power source bus, for monitoring power system main line current and voltage signals and adapting to automatically electricity
Net phase sequence and current phase；
The signal processing module being connected with signal monitoring module, for receiving current and voltage signals and by analog signal processing into number
Word signal；
The main control module being connected with signal processing module, for process all signals for receiving and under send instructions；
The capacitor switching module being connected with main control module, for receiving instruction the feedback capacity failure that main control module sends
Information；
The failure feedback module being connected with capacitor switching mould soon, for monitoring, feedback condenser group ruuning situation；
The dynamic switch module being connected with failure feedback module, for receiving instruction that capacitor switching module sends and to capacitor
Group is controlled；
The electric capacity protection module being connected with dynamic switch module and power source bus, for receiving the instruction that capacitor switching module sends
Simultaneously capacitor is protected；
The capacitor bank being connected with electric capacity protection module, dynamic switch module and failure feedback module；
The harmonic management module being connected with main control module, for analyzing and processing the harmonic data from electrical network for receiving.
2. low pressure Harmonic Type Intelligent Power Fsctor Controller as claimed in claim 1, it is characterised in that：The signal monitoring mould
Block includes the voltage transformer and the current transformer for gathering current signal for collection voltages signal.
3. low pressure Harmonic Type Intelligent Power Fsctor Controller as claimed in claim 1, it is characterised in that：The signal processing mould
Block includes analog-digital converter, and the analog-digital converter is for being converted to numeral by the voltage and current signal that signal monitoring module is gathered
Signal simultaneously sends main control module to.
4. low pressure Harmonic Type Intelligent Power Fsctor Controller as claimed in claim 1, it is characterised in that：The main control module
Comprising processing unit, clock unit and recording unit, the processing unit is used to process digital signal and send output order, institute
Clock unit is stated for timing, the recording unit is used for warning message of the record based on clock unit, and the throwing of capacitor bank
Cut and put into operation total time.
5. low pressure Harmonic Type Intelligent Power Fsctor Controller as claimed in claim 1, it is characterised in that：The capacitor switching mould
Block includes capacitor switching control relay, and the capacitor switching control relay refers to for receiving the output that main control module sends
Make and control the switching action of capacitor bank, and receive failure alarm signal that failure feedback module sends and send main control to
Module.
6. low pressure Harmonic Type Intelligent Power Fsctor Controller as claimed in claim 1, it is characterised in that：The failure feeds back mould
Block includes fault monitor and fault alarm relay, and the switching state that the fault monitor is used for monitoring capacitor group is simultaneously anti-
Feedback failure and alarm signal, the fault alarm relay carry out being turned on and off order according to fault alarm order.
7. low pressure Harmonic Type Intelligent Power Fsctor Controller as claimed in claim 1, it is characterised in that：The dynamic switch mould
Block includes capacitor group switch control relay, and the capacitor group switch control relay is instructed and carried out for receiving switching
Open and close action.
8. low pressure Harmonic Type Intelligent Power Fsctor Controller as claimed in claim 1, it is characterised in that：The power factor controlling
Device also includes providing the power module of working power, instructing and send an instruction to main control for being manually entered for master controller
The manual input module of module, display module and the external world for display circuit parameter and alarm failure information carry out data friendship
Change the communication module and the data memory module for information Store shown with remote data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016951.9U CN206148953U (en) | 2016-08-31 | 2016-08-31 | Humorous wave mode intelligence power factor controller of low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621016951.9U CN206148953U (en) | 2016-08-31 | 2016-08-31 | Humorous wave mode intelligence power factor controller of low pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148953U true CN206148953U (en) | 2017-05-03 |
Family
ID=58618864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621016951.9U Expired - Fee Related CN206148953U (en) | 2016-08-31 | 2016-08-31 | Humorous wave mode intelligence power factor controller of low pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148953U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213054A (en) * | 2018-11-19 | 2019-01-15 | 国网江西省电力有限公司培训中心 | A kind of capacitor intelligence control system and its control method |
| CN109668447A (en) * | 2018-12-26 | 2019-04-23 | 河北四通新型金属材料股份有限公司 | A kind of main frequency furnace power factor balance automatic regulating apparatus |
| CN110890757A (en) * | 2019-12-03 | 2020-03-17 | 国网江苏省电力有限公司常州供电分公司 | Reactive compensation fault control device for transformer substation and fault control method thereof |
| CN112003380A (en) * | 2020-09-07 | 2020-11-27 | 中讯博尔智能技术(无锡)有限公司 | Power monitoring device with power capacitor capacity attenuation monitoring and service life prediction functions |
-
2016
- 2016-08-31 CN CN201621016951.9U patent/CN206148953U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109213054A (en) * | 2018-11-19 | 2019-01-15 | 国网江西省电力有限公司培训中心 | A kind of capacitor intelligence control system and its control method |
| CN109668447A (en) * | 2018-12-26 | 2019-04-23 | 河北四通新型金属材料股份有限公司 | A kind of main frequency furnace power factor balance automatic regulating apparatus |
| CN110890757A (en) * | 2019-12-03 | 2020-03-17 | 国网江苏省电力有限公司常州供电分公司 | Reactive compensation fault control device for transformer substation and fault control method thereof |
| CN110890757B (en) * | 2019-12-03 | 2021-08-24 | 国网江苏省电力有限公司常州供电分公司 | Reactive compensation fault control device for transformer substation and fault control method thereof |
| CN112003380A (en) * | 2020-09-07 | 2020-11-27 | 中讯博尔智能技术(无锡)有限公司 | Power monitoring device with power capacitor capacity attenuation monitoring and service life prediction functions |
| CN112003380B (en) * | 2020-09-07 | 2023-04-07 | 中讯博尔智能技术(无锡)有限公司 | Power monitoring device with power capacitor capacity attenuation monitoring and service life prediction functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170503 Termination date: 20190831 |