CN104538971A - Input current signal device of low-voltage reactive power auto-compensation controller - Google Patents
Input current signal device of low-voltage reactive power auto-compensation controller Download PDFInfo
- Publication number
- CN104538971A CN104538971A CN201410511229.1A CN201410511229A CN104538971A CN 104538971 A CN104538971 A CN 104538971A CN 201410511229 A CN201410511229 A CN 201410511229A CN 104538971 A CN104538971 A CN 104538971A
- Authority
- CN
- China
- Prior art keywords
- low
- reactive power
- input current
- current signal
- auto
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- 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
Abstract
The invention discloses an input current signal device of a low-voltage reactive power auto-compensation controller. The input current signal device is used for an auto-switching function test of a low-voltage complete reactive power compensation device, and comprises a resistor, a capacitor, an inductor, a universal change-over switch, a protective electrical appliance and a connecting conductor. A capacitor and resistor series circuit, a resistor circuit and an inductor and resistor series circuit are formed separately by switching operation of the universal change-over switch. After a power supply is connected, an output end sequentially obtains signal current of power factor lag, power factor 1.0 and power factor lead. According to the input current signal device, when the low-voltage complete reactive power compensation device is tested, an auto-switching function of the low-voltage reactive power auto-compensation controller can be tested, and the movement condition of a control loop is consistent with the actual operation condition, so that a power-on operation test is more perfect.
Description
Technical field
The present invention relates generally to the device of the input current signal for low-voltage reactive power automatic compensation controller, particularly can the device of input resistance load current, capacity load electric current and inductive load current.
Background technology
In assembled electric equipment manufacturing enterprise, power-on servicing test in low-pressure reactive power compensating device assemblies delivery test project, because low-voltage reactive power automatic compensation controller lacks satisfactory input current signal, generally can only carry out manual operation test, thus carry out dropping into or excise this automatic switching operating state of electric capacity according to power factor or reactive current lag or lead under actual motion state can not be tested out.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of device for low-voltage reactive power automatic compensation controller input current signal, it can provide resistive current, capacitive reactive power electric current and perceptual reactive current to low-voltage reactive power automatic compensation controller as required, carries out automatic switching function test.
Technical scheme: for solving the problems of the technologies described above, the present invention is by the following technical solutions: a kind of input current signal device of low-voltage reactive power automatic compensation controller, comprise resistance, electric capacity, inductance, universal seclector, protective device and connection wire, described protective device one end connects with power supply, the other end and electric capacity; One connects wire and is connected with inductance, and the other end of electric capacity, this root connection wire and inductance is connected to three inputs of universal seclector; Be connected with resistance one end after three outputs of universal seclector are connected to each other, the other end of resistance is as output again; Switched by universal seclector, form electric capacity circuit in series with a resistor, pure resistor element circuit, inductance circuit in series with a resistor respectively, obtain the delayed inductive current of power factor successively, power factor be 1.0 resistive current and the advanced capacitive current of power factor.
By universal seclector handover operation, form electric capacity circuit in series with a resistor, pure resistor element circuit, inductance circuit in series with a resistor respectively.After access power supply, output obtains that power factor is delayed successively, power factor is 1.0 and the advanced signal code of power factor.
As preferably, described resistance is the incandescent lamp of 200W, electric capacity is 4 μ F, 500V metallized capacitances, inductance is 40W fluorescent lamp ballast.
Beneficial effect: compared with prior art, the present invention has the following advantages: when testing low-pressure reactive power compensating device assemblies, can test the automatic switching function of low-voltage reactive power automatic compensation controller, the action situation of its control loop is consistent with actual operating mode, power-on servicing is tested more perfect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1; a kind of input current signal device of low-voltage reactive power automatic compensation controller; a unit is connected to form by Fig. 1 by resistance R, electric capacity C, inductance L, universal seclector QS and protective device F; switched by universal seclector; R, L series circuit can be formed; R, C series circuit, the circuit be made up of R separately.Specifically: as the input current signal device of Fig. 1 composition, resistance R is 200W incandescent lamp, electric capacity C is 4 μ F, 500V metallized capacitances, inductance L is 40W fluorescent lamp ballast, universal seclector QS be LW38-16YH3/2, protective device F is RT18-32/4A.Said apparatus totally three, input voltage AC220V, is connected to A, B, C three-phase respectively, exports the controller of the low-pressure reactive power compensating device assemblies of a termination phase splitting compensation, carries out power-on servicing test for it.
Claims (3)
1. a two-speed motor analogue means, it is characterized in that: comprise 6 impedance components and 6 binding posts fixed on a mounting board, described impedance component is divided into 3 groups, often group is connected by two impedance components, and often organize impedor head end and draw an external connection as simulation low cruise binding post, often organize and respectively in the middle of two impedance components in impedance component draw an external connection as simulation high-speed cruising binding post; Simultaneously often organize impedor tail end to be interconnected, or often organize impedor tail end and head end is interconnected successively.
2. two-speed motor analogue means according to claim 1, is characterized in that: described impedance component is the device be made up of resistance, electric capacity or inductance and light-emitting component.
3. two-speed motor analogue means according to claim 2, is characterized in that: described impedance component is incandescent lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410511229.1A CN104538971A (en) | 2014-09-28 | 2014-09-28 | Input current signal device of low-voltage reactive power auto-compensation controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410511229.1A CN104538971A (en) | 2014-09-28 | 2014-09-28 | Input current signal device of low-voltage reactive power auto-compensation controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104538971A true CN104538971A (en) | 2015-04-22 |
Family
ID=52854463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410511229.1A Pending CN104538971A (en) | 2014-09-28 | 2014-09-28 | Input current signal device of low-voltage reactive power auto-compensation controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104538971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007424A (en) * | 2018-10-08 | 2020-04-14 | 博计电子股份有限公司 | Alternating current load system for simulating power factor and method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6359422B1 (en) * | 1998-05-29 | 2002-03-19 | Alston Uk Ltd. | Surge resistor for protecting active source of variable inductance in a power-factor correction arrangement |
| CN200969517Y (en) * | 2006-08-09 | 2007-10-31 | 全汉企业股份有限公司 | Simple null current commutation circuit |
| CN202758017U (en) * | 2012-07-30 | 2013-02-27 | 深圳市菊水皇家科技有限公司 | Anti-islanding test load |
| CN103117554A (en) * | 2013-01-29 | 2013-05-22 | 中国电力科学研究院 | Intelligent RLC (resistance inductance capacitance) load and island-preventing detecting circuit |
| CN204144958U (en) * | 2014-09-28 | 2015-02-04 | 江苏龙源先锋电气有限公司 | A kind of input current signal device of low-voltage reactive power automatic compensation controller |
-
2014
- 2014-09-28 CN CN201410511229.1A patent/CN104538971A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6359422B1 (en) * | 1998-05-29 | 2002-03-19 | Alston Uk Ltd. | Surge resistor for protecting active source of variable inductance in a power-factor correction arrangement |
| CN200969517Y (en) * | 2006-08-09 | 2007-10-31 | 全汉企业股份有限公司 | Simple null current commutation circuit |
| CN202758017U (en) * | 2012-07-30 | 2013-02-27 | 深圳市菊水皇家科技有限公司 | Anti-islanding test load |
| CN103117554A (en) * | 2013-01-29 | 2013-05-22 | 中国电力科学研究院 | Intelligent RLC (resistance inductance capacitance) load and island-preventing detecting circuit |
| CN204144958U (en) * | 2014-09-28 | 2015-02-04 | 江苏龙源先锋电气有限公司 | A kind of input current signal device of low-voltage reactive power automatic compensation controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111007424A (en) * | 2018-10-08 | 2020-04-14 | 博计电子股份有限公司 | Alternating current load system for simulating power factor and method thereof |
| CN111007424B (en) * | 2018-10-08 | 2022-06-10 | 博计电子股份有限公司 | Alternating current load system and method for simulating power factor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104538971A (en) | Input current signal device of low-voltage reactive power auto-compensation controller | |
| CN204144958U (en) | A kind of input current signal device of low-voltage reactive power automatic compensation controller | |
| CN102436193A (en) | Ballast ageing control device | |
| CN201577033U (en) | Automatic voltage switching circuit | |
| CN104007356A (en) | Testing tool | |
| CN203118876U (en) | Energy-saving type double-coil tripolar direct-current contactor | |
| CN207440212U (en) | Multichannel Multifunctional resistance unit board | |
| CN204145338U (en) | A kind of two-speed motor analogue means | |
| CN203013470U (en) | Novel transformer coil shunting connecting structure | |
| CN203365548U (en) | Transformer DC resistance tester | |
| CN108206643A (en) | Power cell and the Technics of Power Electronic Conversion device using the power cell | |
| CN202678074U (en) | On-load capacity-changing tap switch | |
| CN205238495U (en) | Heating device | |
| CN204558383U (en) | Connect circuit breaker soon | |
| CN204964567U (en) | Full -bridge rectifier forward surge test fixture | |
| CN205039698U (en) | Simple reduce circuit that multichannel output switch power starts impulse current | |
| CN203504417U (en) | High-low frequency conversion circuit system | |
| CN104090199B (en) | Device for simulating poor power source contact phenomenon in use process of electric appliance | |
| CN204289780U (en) | A kind of tube type bus joint | |
| CN103064313A (en) | Self-locking and interlocking switch with multiple grades | |
| CN202385359U (en) | Drive or control power supply structure of LED | |
| CN205336625U (en) | Discharge lamp's control circuit | |
| CN107565686A (en) | A kind of automatic fusing switching device of high-low voltage electric power distribution cabinet | |
| CN204102016U (en) | A kind of rotary-connecting AC voltage regulator | |
| CN202424523U (en) | Low-level controlled high-voltage output circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |
|
| RJ01 | Rejection of invention patent application after publication |