CN106655732A - Programmable controller-controlled test object control power supply - Google Patents
Programmable controller-controlled test object control power supply Download PDFInfo
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- CN106655732A CN106655732A CN201611216073.XA CN201611216073A CN106655732A CN 106655732 A CN106655732 A CN 106655732A CN 201611216073 A CN201611216073 A CN 201611216073A CN 106655732 A CN106655732 A CN 106655732A
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- power supply
- voltage
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- control
- test product
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Classifications
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- 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
- H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention provides a programmable controller-controlled test object control power supply. The programmable controller-controlled test object control power supply is characterized in that a programmable controller is adopted by the test object control power supply as a core control device, and the test object control power supply has an intelligent control function for an output power supply, a real-time monitoring function for AC/DC voltage of a system, and local and remote control functions for a touch screen. The test object control power supply is mainly divided into a test object power supply main circuit, a power supply parameter collection system and a test object power supply control module. The test object control power supply can be connected with equipment of a collection module touch screen and the like through an RS232 interface, an RS422 interface and an RS485 interface, and communicates by adopting the modes of Modbus and the like. The power supply can output 0-430V of AC, 24V of four-path DC, 48V of DC, 110V of DC, 220V of DC, 110V of high-capacity two-path DC and 220V of high-capacity DC. The programmable controller-controlled test object control power supply has the advantages of a large adjustable range of the power supply, high output capacity, a high boosting rate and high output voltage accuracy.
Description
Technical field
The present invention relates to a kind of test product based on Programmable Logic Controller controls power supply, belong to electrical detection technical field.
Background technology
As the continuous development of society, China's power system capacity are continuously increased, fault current also accordingly increases when short-circuit,
Thus the checking that carries out short circuit interruption ability to key equipments such as the breaker in power system, complete set of equipments is most important.Together
When high power laboratory room frequently cut-off the High-Voltage Electrical Appliances such as all kinds breaker, on-load switch, its High-Voltage Electrical Appliances control power supply system
System requires to improve the various test voltages of alternating current-direct current.And according to the difference of test product, its power supply capacity is also different.If so test
Room carries out correlation test to test product, configures high-quality, safe and reliable, easy to use, and the high test product control power supply of output accuracy is
One necessary condition.
Primary cut-out is one of most important equipment in power system, is also the main examination of high power laboratory room test
Product.Mains fluctuations in control loop will directly affect the on/off switch actuation time of breaker, but affect breaker to move
The factor for making the time is a lot, and is difficult to quantitative analysis, and because on/off switch coil is an electromagnet mechanism, and the action of electromagnet is special
Property and voltage, electric current have certain functional relation, you can to think the output current and voltage of test product power supply to breaker actuation
Time has an impact.
For breaker, control power supply must select that suitable capacity, high degree of automation, power supply quality are high, reliability is high,
Working service is convenient.For dc source then require DC ripple coefficient it is little, to alternating current input power supplying claimed range width, defeated
Enter power-supply fluctuation it is larger or serious uneven when, remain to export galvanic current, to ensure that voltage, electricity can be kept during on/off switch
Stream is stable.
General 10kV～40.5kV primary cut-outs actuating system control power supply is divided into two kinds of alternating current and direct current, there is permanent magnetic motor
Structure, pneumatic and spring energy agency of magnet control etc..Dc source is usually that direct current cabinet is powered, and lead-acid accumulator is used as energy
Amount source, its ripple factor is powered little than other modes such as direct commutation supply voltages.
A kind of test product suitable for high-voltage large-capacity laboratory being designed for this and controlling power-supply system, its advantage is：Power supply can
Tune scope is big, output capacity is high, the rate of rise is fast, output voltage high precision.
The content of the invention
In order that test product control power supply preferably meets being normally carried out for the various breaking tests in high power laboratory room, there is provided hand over
Flow adjustable output, the function such as DC charging module and rectifier power source output, the present invention provides a kind of based on Programmable Logic Controller
Test product controls power supply.To reach, power supply adjustable extent is big, output capacity is high, the rate of rise is fast, the requirement of output voltage high precision.
To achieve these goals, the present invention is adopted the following technical scheme that：
The present invention provides a kind of test product based on Programmable Logic Controller and controls power supply, it is characterised in that：The test product controls power supply
Using Programmable Logic Controller as kernel control chip, the Based Intelligent Control with out-put supply, system combined-voltage it is real-time
Monitoring, touch-screen local and remote control function is broadly divided into test product power supply major loop, power parameter acquisition system and test product
Energy supply control module.
The test product based on Programmable Logic Controller controls power supply, and power supply major loop adopts three-phase and four-line AC 380V power supplys
Input, power supply and many tapping transformers are connected by breaker, many tapping transformers reconnect rectification modules, formed two tunnels compared with
Jumbo direct current output, is applied to the on/off switch operation of high voltage permanent breaker；
The test product based on Programmable Logic Controller controls power supply test product, and by relay power supply and pressure regulator and high-frequency electrical are connected
Source charging module, forms direct current output of four tunnels compared with low capacity, is applied to the operation of electromagnetic mechanism on/off switch；
It is described input three-phase four-wire power requirement be：AC380V±20% ；（Phase three-wire three）Efficiency：≥95%；Power factor：
≥0.93；The precision of voltage regulation：± 0.5%；Precision of steady current：± 0.5%；Ripple factor：≤0.1%.
The power parameter acquisition system needs to carry out closed loop to AC voltage regulator voltage-regulation in output AC voltage
Control, is accurately exported with the voltage for controlling pressure regulator, and the output voltage of pressure regulator adopts this system real-time detection, by what is collected
Alternating-current parameter signal is changed, all the way RS485 interfaces, is communicated with PLC with Modbus rtu protocols；
, when charging module exports DC voltage, the output DC voltage of charging module is by straight for the power parameter acquisition system
Stream voltage transmitter changes d. c. voltage signal, and the voltage signal after conversion is delivered to PLC, by the voltage to collecting and
The comparison of setting voltage, the standard RS-485 interface that PLC can be matched somebody with somebody by charging module is communicated to module with Modbus rtu protocols
Output DC voltage carry out a range of regulation；
The test product power supply is broadly divided into relay control and realizes power supply function by Programmable Logic Controller；
The relay control of the power supply controls the input and output of power supply, specially by direct current mainly by the conjunction of relay point
Nine return signals such as rectifier power source 110V output return signals distribute input equipment and ground as On-off signal point
Location.KMA1 is closed 11 controlled outputs such as point pressure regulator input control as output switch parameter point, and distribute output equipment and
Output dot address.
The Programmable Logic Controller adopts DVP40ES2 models PLC, and by programme-control the combined-voltage of power supply is realized
Selection function, the input and output control of power supply, indicating fault, fault alarm, the voltage raising and reducing control of pressure regulator, while to power supply
Various return monitoring states；COM1～COM3 mouths of DVP40ES2 models PLC can be with RS232, RS422, RS485
Mode is communicated, and by com port DC voltage converter is connected, and charging module, alternating current parameter acquisition module monitors direct current
Pressure, the change of alternating voltage；
The remote control man-machine device DOP-BO5S100 touch-screens of cell are tested in the COM2 connections distant place, to facilitate test connection people
Member selects on the spot and adjusts voltage；
The COM3 mouths are directly connected to man-machine device's DOP-BO5S100 touch-screens, and this touch-screen controls on the spot examination as host computer
Product power supply and power parameter are arranged.
Described program is controlled, and is divided into main program and subprogram, and main program function is responsible for managing the scheduling of whole subprogram
Operation, concrete function is then completed by subprogram.According to the difference and the difference of control function of system control object, exchange has been divided
The subprograms such as control subprogram, high-frequency direct-current power module subprogram, DC rectifier subprogram, serial communication.Subprogram is concrete
The various functions achieved by system, the such as selection of alternating current-direct current are performed, the regulation of voltage, relay closes sub-control system, communication etc..
Compared with prior art, the beneficial effects of the present invention is：
（1）The present invention provides a kind of test product based on Programmable Logic Controller and controls power supply, using the teaching of the invention it is possible to provide exchange adjustable output, direct current
The function such as charging module and rectifier power source output；
（2）Traditional test product power supply is compared, since the test product power switchover enters operation, in high power laboratory room normal work
So far, easy to operate, safe and reliable to operation, voltage-regulation is convenient directly perceived, and voltage regulation limits are big, and laboratory is local mounted
Remote control touch-screen easily can on the spot select voltage output mode, adjust voltage.To the various breaking tests in high power laboratory room just
Great booster action is often carried out.
Description of the drawings
Fig. 1 is the test product power-supply system major loop schematic diagram of the present invention；
Fig. 2 is the test product power control system principle of the present invention；
Fig. 3 is the power control system program control flow chart of the present invention；
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Such as Fig. 1, a kind of test product control power supply based on Programmable Logic Controller of present invention offer, it is characterised in that：The examination
Product control power supply is using Programmable Logic Controller as kernel control chip, the Based Intelligent Control with out-put supply, system alternating current-direct current
The real-time monitoring of voltage, touch-screen local and remote control function is broadly divided into test product power supply major loop, power parameter collection system
System and test product energy supply control module.
The test product based on Programmable Logic Controller controls power supply, and power supply major loop adopts three-phase and four-line AC 380V power supplys
Input, power supply and many tapping transformers are connected by breaker, many tapping transformers reconnect rectification modules, formed two tunnels compared with
Jumbo direct current output, is applied to the on/off switch operation of high voltage permanent breaker；
It is described input three-phase four-wire power requirement be：AC380V±20% ；（Phase three-wire three）Efficiency：≥95%；Power factor：
≥0.93；The precision of voltage regulation：± 0.5%；Precision of steady current：± 0.5%；Ripple factor：≤0.1%.
The direct current output of two road larger capacity, respectively DC110V and DC220V picks out again a-road-through from DC110V
Overvoltage is transformed into PLC digital quantity input modules；
The test product based on Programmable Logic Controller controls power supply test product, and by relay power supply and pressure regulator and high-frequency electrical are connected
Source charging module, forms direct current output of four tunnels compared with low capacity, is applied to the operation of electromagnetic mechanism on/off switch；
Compared with the direct current output of low capacity, respectively DC24V, DC48V, DC110V, DC220V charge from high frequency electric source on four tunnel
Module flows out；
The charging module of the high frequency electric source, its supply DC220V part pick out again all the way via DC voltage transmitter extremely
The COM2 interfaces of PLC.
The pressure regulator picks out the output of AC0 ~ 430V, then picks out all the way through AC power parameter acquisition system, to PLC
COM3 interfaces；
The power parameter acquisition system needs to carry out closed loop control to AC voltage regulator voltage-regulation in output AC voltage
System, is accurately exported with the voltage for controlling pressure regulator, and the output voltage of pressure regulator adopts this system real-time detection, by the friendship for collecting
Stream parameter signal conversion, all the way RS485 interfaces, are communicated with Modbus rtu protocols with PLC；
When charging module exports DC voltage, output DC voltage passes through DC voltage pick-up to the power parameter acquisition system
Device changes d. c. voltage signal, and the voltage signal after conversion is delivered to PLC, by the voltage to collecting and setting voltage
Relatively, PLC can communicate the output direct current to module by the standard RS-485 interface that charging module is matched somebody with somebody with Modbus rtu protocols
Voltage carries out a range of regulation.
The test product power control system is broadly divided into relay control and realizes power supply function by Programmable Logic Controller.
Such as Fig. 2, the Programmable Logic Controller is adopted DVP40ES2 models PLC, is realized that the friendship of power supply is straight by programme-control
Stream voltage selection function, the input and output control of power supply, indicating fault, fault alarm, the voltage raising and reducing control of pressure regulator, while
Various return monitoring states to power supply.
DVP40ES2 models PLC, nine return signals such as DC rectification power 110V output return signals are made
For On-off signal point, and distribute input equipment and address, specially：
（1）Input address X0 correspondence input equipment DC110V output return signals（Rectification）；
（2）Input address X1 correspondence input equipment DC220V output return signals（Rectification）；
（3）Input address X2 correspondence input equipment AC0 ~ 430V combined floodgate return signals；
（4）Input address X3 correspondence input equipment DC110V combined floodgate return signals（Rectification）；
（5）Input address X4 correspondence input equipment DC220V combined floodgate return signals（Rectification）；
（6）Input address X5 correspondence input equipment DC24V combined floodgate return signals；
（7）Input address X6 correspondence input equipment DC48V combined floodgate return signals；
（8）Input address X7 correspondence input equipment DC110V combined floodgate return signals；
（9）Input address X10 correspondence input equipment DC220V combined floodgate return signals.
DVP40ES2 models PLC, KMA1 is closed 11 controlled outputs such as point pressure regulator input control as switch
Amount output point, and distribute output equipment and output dot address, specially：
（1）OPADD Y0 correspondence output equipment KMA1 close a point pressure regulator input control；
（2）OPADD Y1 correspondence output equipment KMA2 close a point DC110V rectifier power sources output；
（3）OPADD Y2 correspondence output equipment KMA3 close a point DC220V rectifier power sources output；
（4）OPADD Y3 correspondence output equipment KMA4 close a point DC24V outputs；
（5）OPADD Y4 correspondence output equipment KMA5 close a point DC48V outputs；
（6）OPADD Y5 correspondence output equipment KMA6 close a point DC110V outputs；
（7）OPADD Y6 correspondence output equipment KMA7 close a point DC220V outputs；
（8）OPADD Y7 correspondence output equipment pressure regulator boosting rectifier controls；
（9）OPADD Y10 correspondence output equipment pressure regulator step-down controls；
（10）OPADD Y11 correspondence output equipment malfunction indicator lamp；
（11）OPADD Y12 correspondence output equipment fault alarms.
COM1～COM3 mouths of DVP40ES2 models PLC can be communicated, passed through with RS232, RS422, RS485 mode
Com port connects DC voltage converter, charging module, alternating current parameter acquisition module, monitoring DC voltage, the change of alternating voltage
Change；
The remote control man-machine device DOP-BO5S100 touch-screens of cell are tested in the COM2 connections distant place, to facilitate test connection people
Member selects on the spot and adjusts voltage；
The COM3 mouths are directly connected to man-machine device's DOP-BO5S100 touch-screens, and this touch-screen controls on the spot examination as host computer
Product power supply and power parameter are arranged.
Such as Fig. 3, the power control system programme-control, it is divided into main program and subprogram, main program function is responsible for pipe
The management and running of whole subprogram are managed, concrete function is then completed by subprogram.
The main program, predominantly judges exchange output or direct current output, if exchange output, needs through pressure regulator
Whether control, setting voltage, pressure regulator boosting, voltage detecting reach setting value, exchange output and pressure regulator step-down link；If
For direct current output, also need to determine whether permanent magnet mechanism, if not permanent magnet mechanism, need to be through power module input control, selection
The several steps of voltage, voltage trim and direct voltage output；If permanent magnet mechanism, then the voltage through DC110V/220V is needed to select
Select, rectification input control and DC110V/220V output element.
Affiliated subprogram, according to the difference and the difference of control function of system control object, has divided the sub- journey of exchange control
The subprograms such as sequence, high-frequency direct-current power module subprogram, DC rectifier subprogram, serial communication.Subprogram is specifically performed
The achieved various functions of system, the such as selection of alternating current-direct current, the regulation of voltage, relay closes sub-control system, communication etc..
Finally it should be noted that：The above, is only presently preferred embodiments of the present invention, and any limit is not made to the present invention
System, those of ordinary skill in the art still can modify with reference to above-described embodiment to the specific embodiment of the present invention
Or equivalent, these any modifications or equivalent without departing from spirit and scope of the invention, applying for pending
Within the claims of the present invention.
Claims (7)
1. a kind of test product based on Programmable Logic Controller controls power supply, it is characterised in that：The test product control power supply employing can be compiled
Range controller is touched as kernel control chip, the Based Intelligent Control with out-put supply, the real-time monitoring of system combined-voltage
Screen local and remote control function, is broadly divided into test product power supply major loop, power parameter acquisition system and test product power supply
Module.
2. the test product based on Programmable Logic Controller according to claim 1 controls power supply, it is characterised in that：The test product electricity
Source major loop using three-phase and four-line AC 380V power supplys input, by breaker and relay connect high frequency electric source charging module,
Pressure regulator, many tapping transformers；Direct current output of four tunnels compared with low capacity is formed, the operation of electromagnetic mechanism on/off switch, two tunnels are applied to
The direct current output of larger capacity, is applied to the on/off switch operation of high voltage permanent breaker.
3. the test product based on Programmable Logic Controller according to claim 1 controls power supply, it is characterised in that：The power supply ginseng
Number acquisition system needs to carry out closed-loop control to AC voltage regulator voltage-regulation, to control pressure regulator in output AC voltage
Voltage accurately export, the output voltage of pressure regulator is communicated using alternating-current parameter acquisition module real-time detection and with PLC.
4. the test product based on Programmable Logic Controller according to claim 1 controls power supply, it is characterised in that：The power supply ginseng
When DC voltage is exported with charging module, the output DC voltage of charging module passes through DC voltage transmitter to number acquisition system
D. c. voltage signal is changed, the voltage signal after conversion is delivered to PLC.
5. the test product based on Programmable Logic Controller according to claim 1 controls power supply, it is characterised in that：The test product electricity
Source control is broadly divided into relay control and realizes power supply function by Programmable Logic Controller.
6. test product power supply according to claim 5, it is characterised in that：The relay control mainly passes through relay
Conjunction point, control the input and output of power supply；Using DC rectification power 110V nine return signals of output return signal etc. as opening
Input point is measured in pass, distribution input equipment and address, and KMA1 is closed 11 controlled outputs such as point pressure regulator input control as opening
Measure output point, distribution output equipment and output dot address in pass.
7. test product power supply according to claim 5, it is characterised in that：The Programmable Logic Controller adopts DVP40ES2
Model PLC, by programme-control the combined-voltage selection function of power supply is realized, the input and output of power supply are controlled, indicating fault,
Fault alarm, the voltage raising and reducing control of pressure regulator, while the various return monitoring states to power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216073.XA CN106655732A (en) | 2016-12-26 | 2016-12-26 | Programmable controller-controlled test object control power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216073.XA CN106655732A (en) | 2016-12-26 | 2016-12-26 | Programmable controller-controlled test object control power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106655732A true CN106655732A (en) | 2017-05-10 |
Family
ID=58827009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611216073.XA Pending CN106655732A (en) | 2016-12-26 | 2016-12-26 | Programmable controller-controlled test object control power supply |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276376A (en) * | 2017-06-26 | 2017-10-20 | 北京通州开关有限公司 | A kind of multifunctional power instrument teaching experiment system |
| CN108306491A (en) * | 2017-12-26 | 2018-07-20 | 北京航天测控技术有限公司 | A kind of program-controlled miniaturization power of alterating and direct current and its device based on DC bus |
| CN113030773A (en) * | 2019-07-30 | 2021-06-25 | 深圳市泛海三江电子股份有限公司 | Automatic test method for testing stability of output voltage of fire power supply |
-
2016
- 2016-12-26 CN CN201611216073.XA patent/CN106655732A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276376A (en) * | 2017-06-26 | 2017-10-20 | 北京通州开关有限公司 | A kind of multifunctional power instrument teaching experiment system |
| CN108306491A (en) * | 2017-12-26 | 2018-07-20 | 北京航天测控技术有限公司 | A kind of program-controlled miniaturization power of alterating and direct current and its device based on DC bus |
| CN108306491B (en) * | 2017-12-26 | 2021-06-22 | 北京航天测控技术有限公司 | Program-controlled miniaturized AC/DC power supply based on DC bus and device thereof |
| CN113030773A (en) * | 2019-07-30 | 2021-06-25 | 深圳市泛海三江电子股份有限公司 | Automatic test method for testing stability of output voltage of fire power supply |
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Application publication date: 20170510 |