CN107834876A - A kind of rectification type invariable power continuous impulse load simulating device - Google Patents
A kind of rectification type invariable power continuous impulse load simulating device Download PDFInfo
- Publication number
- CN107834876A CN107834876A CN201711180224.5A CN201711180224A CN107834876A CN 107834876 A CN107834876 A CN 107834876A CN 201711180224 A CN201711180224 A CN 201711180224A CN 107834876 A CN107834876 A CN 107834876A
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- Prior art keywords
- load
- rectification type
- rectifier
- continuous impulse
- simulating device
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- 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.)
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Classifications
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- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Rectifiers (AREA)
Abstract
Rectification type invariable power continuous impulse load simulating device, including rectifier, LC wave filters, DC DC converters, dc switch module, DC voltage control module, several load blocks, drive circuit and relay；The output end of the rectifier is connected with LC wave filters, and the input of rectifier is connected with external power supply；The LC wave filters include filter inductance and some groups of filter capacitors in parallel, and filter inductance is connected in DC loop, and the positive and negative electrode of filter capacitor is connected with the positive and negative electrode of dc bus respectively；The input of the DC DC converters is connected with the output of LC wave filters；The dc switch module includes several dc switch IGBT in parallel, and dc switch module is connected with load blocks；Load blocks include several wire resistors in parallel, and each wire resistor is by Control.The device provides support for research pulse load and the interaction of power supply and stability.
Description
Technical field
The present invention relates to electric and electronic technical field, and in particular to a kind of rectification type invariable power continuous impulse loads equivalent
Analogue means.
Background technology
With the rapid development of information technology, electrical equipment power electronicsization turns into important development trend, particularly with
Communication base station, hyundai electronicses radar, electromagnetic pulse emitter etc. continue to bring out for the digitizer of Typical Representative.This kind of use
Power that electric equipment consumes in normal work is simultaneously uneven, in continuous pulse power impact characteristics, shows as mean power
It is low, peak power is high, and peak power is constant during pulse, totally different with conventional linear load characteristic.
Above-mentioned communication base station, hyundai electronicses radar, electromagnetic pulse emitter can not only be used for fixed apparatus and be arranged on forever
In long property building, can also mobile unit be used as to be arranged on corresponding carrying platform.When pulse load is as mobile unit
In use, generally using the portable supply vehicle for carrying diesel generating set as main power source, form using diesel generating set as friendship
Flow the independent micro-grid system of power supply.When pulse load is operated in independent micro-grid system, continuously, frequently pulse power is rushed
System voltage waveform Severe distortion and frequency big ups and downs will be caused by hitting, and not only disturb other loaded work pieces, or even cause system
Fluctuation of service.At present, pulse load causes the research that independent micro-grid system destabilization mechanism is field of power electronics
Focus, but the topological structure of pulse load is various, operation mechanism is complicated, and the parameter such as turn-on cycle, dutycycle, peak power is
Variable, the particularly power electronic equipment to cascade, it is difficult to establish detailed mathematical modeling, it must be simulated using equivalent method development
Device.
The content of the invention
Goal of the invention：In order to overcome prior art to insufficient existing for pulse load perseverance peak power simulated behavior, this hair
The bright analogue means that a kind of load of rectification type invariable power continuous impulse is provided, can equivalent-simplification pulse load topological structure, just
In the continuous invariable power pulse shock working characteristics of research pulse load, and then the selection matching for power supply, load provides foundation.
Technical scheme：To achieve the above object, the technical solution adopted by the present invention is：A kind of continuous arteries and veins of rectification type invariable power
Rush load simulating device, it is characterised in that：Including rectifier, LC wave filters, DC-DC converter, dc switch module, direct current
Press control module, several load blocks, drive circuit and relay；The output end of the rectifier is connected with LC wave filters,
The input of rectifier is connected with external power supply；The LC wave filters include filter inductance and some groups of filter capacitors in parallel,
Filter inductance is connected in DC loop, and the positive and negative electrode of filter capacitor is connected with the positive and negative electrode of dc bus respectively；The DC-
The input of DC converters is connected with the output of LC wave filters, and the output end of DC-DC converter is connected with dc switch module；Institute
Stating dc switch module includes several dc switch IGBT in parallel, and dc switch module is connected with load blocks；Load mould
Block includes several wire resistors in parallel, and each wire resistor is disconnected or turned on by Control；Provided with tactile
Touch display screen, by touch display screen input electric parameter drive circuit can be made to produce trigger signal, the trigger signal control
Dc switch IGBT processed conducting and disconnection；The electric parameter includes turn-on cycle and dutycycle；Dc switch IGBT's leads
The input for controlling load and excision are opened in through and off.
The rectifier be three-phase can not control rectifier, the DC-DC converter is VD controllable converter.
The agent structure of the DC-DC converter is phase shifting control Buck circuits, there are three groups of orders to turn on high-power
Metal-oxide-semiconductor.
Filter capacitor is divided into four groups.
The load blocks can more sets in parallel operation, be provided with dc circuit breaker in every group of load blocks.I.e. each coiling
Formula resistor is by relay or dc circuit breaker control disconnects or conducting；The control of the drive circuit connection dc switch IGBT
End；Inputting electric parameter by touch display screen can make drive circuit produce trigger signal, and the trigger signal controls direct current
Switch IGBT conducting and disconnection；The electric parameter includes control dc switch IGBT turn-on cycle and dutycycle；Direct current
Switch IGBT conducting and disconnection controls input and the excision of load.
Further, the rectifier be three-phase can not control rectifier, the DC-DC converter be VD can
Control converter.
Further, DC voltage and current is set to show in the input of VD controllable type DC-DC converter
Table, DC voltage is set to show table in DC-DC converter output end.
Further, voltage controllable type DC-DC converter filter capacitor is divided into four groups.
Further, the load blocks can more sets in parallel operation, be provided with dc circuit breaker in every group of load blocks.
Beneficial effect：The present invention is fully able to simulate rectification type invariable power continuous impulse power supply on power supply；One provided
The equivalent simulation device of kind rectification type invariable power continuous impulse load, it is easy to the electricity of experimental study rectification type invariable power pulse load
Gas characteristic.By the topological structure of equivalent-simplification pulse load, by being equipped with filter capacitor, turn-on cycle, dutycycle, peak
It is worth the size of power, you can its electrical characteristic is simulated, it is such as phased especially to some bulky, baroque pulse loads
Battle array radar, by this analogue means, reference frame (multigroup and group when high-power is provided to match the AC power adaptable with it
Load all turn on).Also, the device can operate with the pulse load electrical characteristic under experimental study various working, and then
Support is provided for independent micro-capacitance sensor stability of the research containing pulse load.
Brief description of the drawings
Fig. 1 rectification type invariable power continuous impulse load equivalent models；
Fig. 2 is rectifier band LC Filter Principle figures；
Fig. 3 is DC-DC converter schematic diagram；
Fig. 4 is dc switch schematic diagram；
Fig. 5 is support structures figure；
Fig. 6 is a kind of radar load DC side electric characteristic figure of apparatus of the present invention simulation.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
A kind of rectification type invariable power continuous impulse load simulating device as shown in Figure 1, including rectifier, LC wave filters, DC-
DC converters, dc switch module, load blocks, touch display screen, drive circuit and relay etc.；The dc switch module
Including several dc switch IGBT in parallel, to reach the purpose for improving dc switch module make-break capacity；Load blocks bag
Several wire resistor R, each wire resistor R in parallel are included to be disconnected or turned on by Control；Each load
Module includes several wire resistor R, each wire resistor R in parallel and is disconnected or turned on by Control.
Rectifier as shown in Figure 2 be three-phase can not control rectifier, the output end of rectifier is connected with LC wave filters, rectifier
Input be connected with external power supply, three-phase can not control rectifier ac input end set alternating voltage electric current to show table,
LC wave filters DC output side sets DC voltage and current to show table, and ABC is that three-phase input end, ui are shown as alternating current in Fig. 2
Current voltage display table, UI are shown as DC current display table.
DC-DC converter as shown in Figure 3 is connected with the output end of LC wave filters, and the topology of the converter is phase shifting control
Buck circuits, buck chopper PWM letters can be calculated automatically according to output DC voltage, DC current and the dc power of setting
Number, effectively suppress ripple current.
The output end of dc switch module and DC-DC converter as shown in Figure 4 connects, and touch display screen can realize conducting
Cycle, the manual setting of dutycycle, turn-on cycle and duty cycle parameters are inputted by touch display screen, produce drive circuit and touch
Signal, trigger signal control dc switch IGBT conducting and disconnection；Several dc switch IGBT is in parallel, and trigger signal is same
When control the dc switch IGBT capacity that can reduce each IGBT.Load blocks as shown in Figure 5 connect with dc switch module
Connect, if two load blocks are used in parallel, peak power 100kW；The ten wire resistor parallel connections of each load blocks point,
Each load is run and exited by Control, realizes the regulation to bearing power；Load blocks also include the straight of series connection
Flow breaker.
Rectification type invariable power continuous impulse load simulating device, it is necessary to 1 rectifier cubicle, 1 DC-DC converter cabinet, 1
Direct-current switch cabinet, 2 load cabinets form, and the peak power loaded in each load cabinet is 50kW.I.e.：Rectifier, LC are filtered
Device is arranged in the first vertical counter, and DC-DC converter is arranged in the second vertical counter, dc switch module, drive circuit, touch
Display screen is arranged in the 3rd vertical counter, and load blocks are arranged in the 4th vertical counter；And below all vertical counter back doors
Place is provided with rectangular aperture, facilitates the access of wire.The three-phase alternating current main switch of rectifier in first vertical counter extends to vertical
Formula cabinet door is outer (i.e. vertical cabinet door upper shed), convenient operation access power supply.In the 3rd vertical counter in addition to relay is as switch,
A set of hand switch is configured in addition, to improve security.
The component set in the first vertical counter includes：Three-phase alternating-current switch (150A), the uncontrollable rectifier bridge of three-phase, take out
Hair style filter inductance, filter capacitor, alternating voltage electric current show table, three AC voltage transformers, three alternating current mutual inductances
Device, DC voltage show that table, DC current show table, DC current sensor.Realize that three-phase input voltage, electric current are shown；Directly
Stream output voltage, electric current are shown；VD is adjustable.The schematic diagram of rectifier cubicle is as shown in Figure 2.
The component set in the second vertical counter includes (main components in DC-DC cabinets, containing touch display screen etc.),
It can realize that DC-DC converter exports the control and regulation of DC voltage, DC current and dc power by touch display screen.DC-
As shown in Figure 3, the component set in the 3rd vertical counter includes IGBT, a driving electricity to the schematic diagram of DC converter cabinets
Road, touch display screen, dc switch IGBT cycle T and ON time Ton continuously adjustables can be realized by touch display screen
(i.e. dutycycle is adjustable), is programmed feedback regulation output voltage, electric current or power, and touch display screen shows dutycycle, output
Voltage x current, power.The schematic diagram of direct-current switch cabinet is as shown in Figure 4.
The component used in 3rd vertical counter includes dc circuit breaker, Wound-rotor type resistance, radiator and relay；Realize
Load resistance is adjustable, temperature control；Load is made up of wire resistor, and the power each loaded is not more than 2kW, and general power is most
Greatly 100kW, pass through the access and disconnection of Control resistance.The schematic diagram of load cabinet is as shown in Figure 5.
Key to the invention is that the control of DC-DC converter output voltage, electric current, power, and by dc switch break-make
The pulse load mode of operation cooperatively formed, the running parameter (producer's offer) loaded according to typical pulse, by being equipped with
Filter capacitor, turn-on cycle, dutycycle, the size of bearing power, you can obtain the load of certain rectification type invariable power continuous impulse
Electrical characteristic.
Fig. 6 is a kind of pulse load DC side electric characteristic figure of the unit simulation.Experiment condition is the filtered electrical of device
Hold 7280uF, turn-on cycle 60ms, dutycycle 0.2, peak power 15kW, the device is using 100kW diesel generating sets as confession
Worked under the experiment porch of power supply, obtained DC side electrical characteristic can simulate the electrical characteristic of actual loading.
Advantage of the present invention is to have used a variety of nonlinear loads, need to only change individual parameters can simulate it is different non-linear negative
The electrical characteristic of load, increase the convenience of research nonlinear load working characteristics.A kind of rectification type perseverance work(provided by the invention
Rate continuous impulse load simulating device, it is easy to the electrical characteristic of experimental study nonlinear load.It is non-linear negative by equivalent-simplification
The topological structure of load, by setting filter capacitor, turn-on cycle, dutycycle, the size of bearing power, you can it is electrically special to simulate it
Property, particularly some bulky, baroque loads, such as phased-array radar, by this analogue means, for apolegamy and its phase
The power supply of adaptation provides reference frame.And the device can operate with the electrical characteristic of a variety of nonlinear loads of experimental study, enter
And provide support to study the stability of micro-capacitance sensor.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (7)
- A kind of 1. rectification type invariable power continuous impulse load simulating device, it is characterised in that：Including rectifier, LC wave filters, DC- DC converters, dc switch module, DC voltage control module, several load blocks, drive circuit and relay；It is described whole The output end of stream device is connected with LC wave filters, and the input of rectifier is connected with external power supply；The LC wave filters include filtering The filter capacitors in parallel of inductance and some groups, filter inductance are connected in DC loop, the positive and negative electrode of filter capacitor respectively with directly Flow the positive and negative electrode connection of bus；The input of the DC-DC converter is connected with the output of LC wave filters, DC-DC converter Output end is connected with dc switch module；The dc switch module includes several dc switch IGBT in parallel, and direct current is opened Module is closed to connect with load blocks；Load blocks include several wire resistors in parallel, each wire resistor by Control disconnects or conducting；Drive circuit can be made by inputting electric parameter provided with touch display screen, by touch display screen Produce trigger signal, the conducting and disconnection of the trigger signal control dc switch IGBT；The electric parameter includes conducting week Phase and dutycycle；Dc switch IGBT conducting controls input and the excision of load with disconnection.
- A kind of 2. rectification type invariable power continuous impulse load simulating device according to claim 1, it is characterised in that：It is described Rectifier be three-phase can not control rectifier, the DC-DC converter is VD controllable converter.
- A kind of 3. rectification type invariable power continuous impulse load simulating device according to claim 1, it is characterised in that：It is described The agent structure of DC-DC converter is phase shifting control Buck circuits, has the high-power MOS tube of three groups of order conductings.
- A kind of 4. rectification type invariable power continuous impulse load simulating device according to claim 1, it is characterised in that：Filtering Electric capacity is divided into four groups.
- A kind of 5. rectification type invariable power continuous impulse load simulating device according to claim 1, it is characterised in that：It is described Load blocks can more sets in parallel operation, be provided with dc circuit breaker in every group of load blocks.
- A kind of 6. rectification type invariable power continuous impulse load simulating device according to claim 1, it is characterised in that：Touch Display screen shows dutycycle, output voltage electric current, power.
- A kind of 7. rectification type invariable power continuous impulse load simulating device according to claim 1, it is characterised in that：Each The power of load is not more than 2kW, and general power is up to 100kW, passes through the access and disconnection of Control resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711180224.5A CN107834876A (en) | 2017-11-23 | 2017-11-23 | A kind of rectification type invariable power continuous impulse load simulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711180224.5A CN107834876A (en) | 2017-11-23 | 2017-11-23 | A kind of rectification type invariable power continuous impulse load simulating device |
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| CN107834876A true CN107834876A (en) | 2018-03-23 |
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| CN201711180224.5A Pending CN107834876A (en) | 2017-11-23 | 2017-11-23 | A kind of rectification type invariable power continuous impulse load simulating device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067234A (en) * | 2018-06-29 | 2018-12-21 | 中国电子科技集团公司第二十九研究所 | A kind of power adaptation circuit of highpowerpulse load |
| CN109856489A (en) * | 2019-03-22 | 2019-06-07 | 中南大学 | A kind of load simulation device and the method for testing DC power-supply system performance |
| CN110441626A (en) * | 2019-07-15 | 2019-11-12 | 清华大学 | The detection method and system of more power electronic equipment pulse loads |
| CN112731191A (en) * | 2020-12-08 | 2021-04-30 | 北京无线电测量研究所 | Automatic test table for pulse power supply |
-
2017
- 2017-11-23 CN CN201711180224.5A patent/CN107834876A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109067234A (en) * | 2018-06-29 | 2018-12-21 | 中国电子科技集团公司第二十九研究所 | A kind of power adaptation circuit of highpowerpulse load |
| CN109067234B (en) * | 2018-06-29 | 2020-07-28 | 中国电子科技集团公司第二十九研究所 | Power supply adaptive circuit of high-power pulse load |
| CN109856489A (en) * | 2019-03-22 | 2019-06-07 | 中南大学 | A kind of load simulation device and the method for testing DC power-supply system performance |
| CN109856489B (en) * | 2019-03-22 | 2021-05-25 | 中南大学 | Load simulation device and method for testing performance of direct current power supply system |
| CN110441626A (en) * | 2019-07-15 | 2019-11-12 | 清华大学 | The detection method and system of more power electronic equipment pulse loads |
| CN112731191A (en) * | 2020-12-08 | 2021-04-30 | 北京无线电测量研究所 | Automatic test table for pulse power supply |
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Effective date of registration: 20210426 Address after: Nanjing City, Jiangsu province 210000 Holford Lane No. 1 Applicant after: ARMY ENGINEERING UNIVERSITY OF CHINA PLA Address before: 212028, No. five, No. 18, Dantu New District, Jiangsu, Zhenjiang Applicant before: JIANGSU ZHENAN ELECTRIC POWER EQUIPMENT Co.,Ltd. Applicant before: Wang Jinquan Applicant before: JIANGSU ZHENAN XINRUN POWER TECHNOLOGY Co.,Ltd. Applicant before: JIANGSU ZHENJIANG INSTALLATION GROUP Co.,Ltd. |