CN205921391U

CN205921391U - High pressure electric capacity reactive compensation automatic control

Info

Publication number: CN205921391U
Application number: CN201620945725.2U
Authority: CN
Inventors: 张飞云
Original assignee: Xuchang University
Current assignee: Xuchang University
Priority date: 2016-08-26
Filing date: 2016-08-26
Publication date: 2017-02-01
Anticipated expiration: 2026-08-26

Abstract

The utility model discloses a high pressure electric capacity reactive compensation automatic control, including singlechip, power module, communication module, relay output module, human -machine interface module, state acquisition module, atmospheric control module, data acquisition module, real -time clock module, watchdog module, manual / the automatic switch -over module, power module includes switching power supply circuit and communication module 0 at different levels, communication module includes GPRS communication circuit and zigBee communication circuit, relay output module includes fiber optic coupling buffer circuit, power supply circuit and relay control circuit, data acquisition module includes electric energy chip circuit, circuit voltage sampling circuit, circuit current sampling circuit and electric capacity protection sampling circuit. The utility model discloses with low costs, the reliability is high, powerful, can realize reactive power's real time kinematic compensation according to circuit service condition's change, can show the running state of circuit information and equipment in real time.

Description

High-voltage capacitance Reactive Power Compensation Automatic Controller

Technical field

This utility model is related to a kind of Reactive Power Compensation Automatic Controller, specifically a kind of high-voltage capacitance reactive-load compensation from Movement controller.

Background technology

In power system, most network original paper and load are all perceptual, and they can consume substantial amounts of in electrical network Reactive power, leads to voltage ripple of power network, Harmonics amplification, power factor is low.Especially in ultra-high-tension power transmission line, due to circuit In a large amount of reactive currents flowing, cause very big line loss.It is thus desirable to carry out quick, dynamically idle to power system Power back-off, improves the power factor of transmission system, reduces line loss, improves the power supply quality of electrical network.

China starts late to the research of the control of reactive power compensating technology, and on switching control strategy, great majority control at present With the control mode of the single controlled quentity controlled variable such as reactive power or power factor, there is throwing or owed to throw, the feelings of throw in-of oscillation occurred in device Condition.Functionally lack remote monitoring and short range debugging, lack certain protection.Speed is slowly it is impossible to realize Real-time and Dynamic switching.

Utility model content

For the problems referred to above, this utility model provides a kind of high-voltage capacitance Reactive Power Compensation Automatic Controller, this controller energy Enough Real-time Collection electrical network parameters, adopt based on voltage, the control mode of the complex controll amount supplemented by power factor is entered to electrical network Row reactive-load compensation, and realize the function that electrical network parameter is carried out with remote monitoring and live local control.

To achieve these goals, the technical solution adopted in the utility model is: a kind of high-voltage capacitance reactive-load compensation is automatic Controller, including single-chip microcomputer, power module, communication module, relay output module, human-machine interface module, state acquisition module, Temperature and Humidity Control module, data acquisition module, real-time clock module, watchdog module, manual/auto handover module.Wherein: electricity Source module includes switching power circuit and potential circuit at different levels；Communication module includes gprs telecommunication circuit and zigbee communication electricity Road；Relay output module includes optical fiber coupling isolation circuit, driving power supply circuit and control relay circuit；Man-machine interface mould Block includes key circuit, lcd display circuit, display lamp and warning circuit；State acquisition module include switching value acquisition module and Fault collection module；Temperature and Humidity Control module includes humiture collection circuit and draught fan control circuit；Data acquisition module includes Electric energy computation chip circuit, line voltage distribution sample circuit, line current sample circuit and electric capacity protection sample circuit.

Preferably, single-chip microcomputer is stm32f103zets.

Preferably, electric energy computation chip is att7026a.

Preferably, using two kinds of communication modes of gprs and zigbee, by gprs circuit realiration remote monitoring, pass through The debugging of zigbee circuit realiration short range and control.

Preferably, gprs circuit is m35 chip, and zigbee circuit is cc2530 chip.

Preferably, adopt the control mode of the complex controll amount based on voltage, supplemented by power factor, using uln2003 Direct drive zero cross fired controls plate module, thus controlling input and the excision of capacitor.

Preferably, input and output isolation circuit adopts optical fiber coupling isolation.

Preferably, this controller enables Non-follow control, automatically controls and remote control function.

Preferably, four groups of the every phase of capacitor, capacity presses 1:2:4:8 distribution, split-phase, classification switching.

Preferably, adopt insulating power supply independently-powered disparate modules in controller, carried using isoelectric level large area ground connection High anti-jamming capacity.

Preferably, this controller can the running status of circuit information and equipment can carry out remote monitoring in real time.

This utility model low cost, reliability are high, powerful, can realize idle according to the change of circuit service condition The Real-time and Dynamic of power compensates, the running status of the real-time circuit information of energy and equipment.

Brief description

Fig. 1 is theory diagram of the present utility model.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and examples, and embodiment of the present utility model includes But it is not limited to the following example.

As shown in figure 1, a kind of high-voltage capacitance Reactive Power Compensation Automatic Controller, including single-chip microcomputer, power module, communication mould Block, relay output module, human-machine interface module, state acquisition module, temperature and Humidity Control module, data acquisition module, in real time Clock module, watchdog module, manual/auto handover module.

Single-chip microcomputer adopts high speed arm single-chip microcomputer stm32f103zets, and single-chip microcomputer is according on electric energy computation chip att7026a The data passing, determines the idle amount that circuit needs, according to the throwing of the complex controll amount based on composite voltage, supplemented by power factor Cut strategy, zero cross fired is directly driven by uln2003 and controls plate module, thus controlling input and the excision of capacitor.

State acquisition module includes switching value acquisition module and fault collection module, can to circuit provide overvoltage protection, O-volt protection, short-circuit protection, overcurrent protection, prevent throw in-of oscillation protection and switching delay protection etc..

Using two kinds of communication modes of gprs and zigbee, by gprs circuit realiration remote monitoring, by zigbee circuit Realize short range debugging and control.Gprs circuit is m35 chip, and zigbee circuit is cc2530 chip.

This controller enables Non-follow control, automatically control and this controller of remote control function is provided with man-machine interface mould Block, key circuit, lcd display circuit, display lamp and warning circuit.

In order to improve the service behaviour of controller it is ensured that working environment is suitable, this controller is provided with temperature and Humidity Control module, This warm and humid degrees of data of module energy Real-time Collection, the operation of the Data Control blower fan according to collection.

In order to improve the interference free performance of controller, imput output circuit is adopted with optical fiber coupling isolation, and to control In device, disparate modules adopt insulating power supply independently-powered, are grounded using isoelectric level large area and improve capacity of resisting disturbance.

This controller is by the running status of the real-time circuit information of lcd energy and equipment, and is carried out far by gprs Range monitoring.

According to above-described embodiment, utility model just can be realized well.This utility model low cost, reliability are high, function Powerful, the Real-time and Dynamic that according to the change of circuit service condition, can realize reactive power compensates, can in real time circuit information and The running status of equipment.

Obviously this utility model implements and is not limited by aforesaid way, as long as employing method structure of the present utility model Think and technical scheme various unsubstantialities improvement, or not improved by of the present utility model design and technical scheme directly should For other occasions, all within protection domain of the present utility model.

Claims

1. a kind of high-voltage capacitance Reactive Power Compensation Automatic Controller, including single-chip microcomputer, power module, communication module, relay output Module, human-machine interface module, state acquisition module, temperature and Humidity Control module, data acquisition module, real-time clock module, guard the gate Canis familiaris L. module, manual/auto handover module；It is characterized in that, power module includes switching power circuit and potential circuit at different levels；Logical Letter module includes gprs telecommunication circuit and zigbee telecommunication circuit；Relay output module includes optical fiber coupling isolation circuit, drive Galvanic electricity source circuit and control relay circuit；Human-machine interface module includes key circuit, lcd display circuit, display lamp and warning Circuit；State acquisition module includes switching value acquisition module and fault collection module；Temperature and Humidity Control module includes humiture and adopts Collector and draught fan control circuit；Data acquisition module includes electric energy computation chip circuit, line voltage distribution sample circuit, line electricity Stream sample circuit and electric capacity protection sample circuit.

2. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: single-chip microcomputer is stm32f103zets.

3. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: electric energy computation chip is att7026a.

4. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: using gprs and Two kinds of communication modes of zigbee.

5. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: real by gprs circuit Existing remote monitoring.

6. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: gprs circuit be m35 Chip.

7. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: by zigbee circuit Realize short range debugging and control.

8. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: zigbee circuit is Cc2530 chip.

9. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: the every phase of capacitor four Group, capacity presses 1:2:4:8 distribution, split-phase, classification switching.

10. high-voltage capacitance Reactive Power Compensation Automatic Controller according to claim 1 it is characterised in that: this controller can be real Show Non-follow control, automatically control and remote control function；Adopt insulating power supply independently-powered disparate modules in controller, adopt Isoelectric level large area ground connection improves capacity of resisting disturbance；The running status of this real-time circuit information of controller energy and equipment simultaneously can Carry out remote monitoring.