CN106773882A - Grid nonshared control unit - Google Patents
Grid nonshared control unit Download PDFInfo
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- CN106773882A CN106773882A CN201510812936.9A CN201510812936A CN106773882A CN 106773882 A CN106773882 A CN 106773882A CN 201510812936 A CN201510812936 A CN 201510812936A CN 106773882 A CN106773882 A CN 106773882A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25314—Modular structure, modules
Abstract
The present invention discloses a kind of grid nonshared control unit, including：On-off signal acquisition module, numeral method module, four road keyboard input modules, four road output control modules and modular converter, above-mentioned module are connected with a main control circuit module；Wherein, described modular converter is connected with four road keyboard input modules.Select many in control mode of the present invention, with manual, timing, liquid level difference, remote control etc., and traditional control mode realizes above-mentioned control mode, and high cost, circuit are complicated, the problems such as poor reliability, maintenance hardly possible.And this controller is connected and is capable of achieving by the built-in program of single-chip microcomputer switch, protection etc..This controller can realize linkage function in terms of the liquid level difference after grid front gate, and when the liquid level difference after grid front gate is more than certain value, liquid level difference meter outputs signal to controller, and controller works until blackout after detecting signal.And in traditional control mode, it is more difficult to realize this function.
Description
Technical field：
The present invention relates to grid nonshared control unit technical field.
Background technology：
Swinging grid sewage-removing machine is widely used in municipal sewage plant, waterworks, the pumping plant water inlet of electricity row station
Mouthful, play separation of solid and liquid at the technique initial stage, its continuously can intercept automatically and remove water or sewage in it is various miscellaneous
Thing, is water or sewage disposal common equipment.It is to the control of swinging grid sewage-removing machine at home at present to use the time more
The circuit that relay, contactor and control switch electrical equipment etc. are combined into is controlled, when needing remotely or automatically to control
When, more using PLC control modes.Grid sewage-removing machine can constitute manual, timing controlled by logic circuit.It is fixed
When control in by the interval timing unlatching work of the time relay, when debris amount of intaking changes, it is necessary to artificial
The manually parameter of adjustment time relay.And be inconvenience.
The content of the invention：
It is an object of the invention to overcome the deficiencies in the prior art, there is provided a kind of grid nonshared control unit.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals：Grid nonshared control unit, bag
Include：On-off signal acquisition module, numeral method module, four road keyboard input modules, four tunnel output controls
Module, modular converter and main control circuit module, described modular converter and On-off signal acquisition module and master
Control circuit module connection, governor circuit module is connected with numeral method module and four road output control modules；
Four described road keyboard input modules are connected with modular converter.
Furthermore, in above-mentioned technical proposal, described main control circuit module includes：First chip,
Two chips and the 3rd chip；
Wherein,
First chip have 64 pins, the first pin to the 7th pin, the tenth pin to the 13rd pin,
15th pin, the 18th pin to the 28th pin, the 30th pin and the 31st pin are left a blank；
An electric capacity C1 and electric capacity C2, the 9th pin and the tenth pin are parallel between first pin and the 64th pin
Between be in series between the crystal oscillator pins of Y1, the 52nd and the 53rd and be in series with a crystal oscillating circuit；
Second chip has five pins, and second pin ground connection, the 3rd pin is left a blank, and the 5th pin serial connection has electricity
Hold C5 and electric capacity C6, electric capacity C6 two ends connect+3V and ground connection respectively；The 60th of 4th pin and the first chip
One pin serial connection；
3rd chip has 14 pins, wherein second pin, the 4th pin, the 6th pin, the 8th pin
Left a blank with the 13rd pin；First pin of the 3rd chip, the 3rd pin, the 5th pin and the 7th pin difference
Correspondence be connected with the 54th pin of the first chip, the 55th pin connect, the 56th pin connect and
57th pin is connected；The 9th pin ground connection of the 3rd chip, the 13rd pin draws with the first of the second chip
Connect a resistance R1 between pin.
Furthermore, in above-mentioned technical proposal, described On-off signal acquisition module has 11 optocouplers
Element, corresponds to the input of 11 tunnels respectively, is connected with interface element after the resistance of a pin serial connection one of the easy element of optocoupler,
The electric capacity C12 that connected after second pin and the 3rd pins in parallel is connected with the 4th pin, electric capacity C12 one end ground connection,
The other end is connected with the 51st pin of the first chip.
Furthermore, in above-mentioned technical proposal, described numeral method module includes：Fourth chip,
Five chips, six road triodes and the first photoelectric cell, the second photoelectric cell are constituted, and fourth chip has 13
Pin, fifth chip has 20 pins, and the first photoelectric cell and the second photoelectric cell are respectively provided with 12 and draw
Pin；
Wherein,
In fourth chip, draw with the 4th of fifth chip the after the first pin and the second pin parallel connection of fourth chip
Pin is connected, and is connected with the 11st pin of first, second photoelectric cell after the resistance R41 of the 3rd pin serial connection one,
It is connected with the 7th pin of first, second photoelectric cell after the resistance R42 of 4th pin serial connection one；5th pin string
It is connected with the 4th pin of first, second photoelectric cell after joining a resistance R43, the 6th pin serial connection resistance R44
The second pin with first, second photoelectric cell is connected afterwards, with first, after the tenth pin serial connection resistance R45
The first pin connection of two photoelectric cells, the 11st pin serial connection resistance R46 is after first, second photoelectric cell
The tenth pin connection, the 5th pin after the 12nd pin serial connection resistance R47 with first, second photoelectric cell
Connection, is connected after the 13rd pin serial connection resistance R47 with the 3rd pin of first, second photoelectric cell；8th
Pin is connected with the 5th pin of fifth chip；The electric capacity C26 that connected after nine, the 14th pins in parallel is followed by
Ground；
In fifth chip, the first, second, third, the six, the seven, the 12nd and the 19th pin is left a blank,
47th pin serial connection of the tenth pin ground connection, the 8th pin and the first chip, the 9th pin and the first chip
The 45th pin serial connection；11st pin is connected with the 37th pin of the first chip；Tenth three to ten
Five pins are connected with the base stage of first three triode respectively, and the base stage of triode is also with the of the first photoelectric cell
8th, the nine, the 12nd pin serial connection；Base stage of 17th to 18 pin respectively with rear three triodes is connected,
Afterwards three base stages of triode also with the eight, the nine, the 12nd pin serial connections of the second photoelectric cell.
Furthermore, in above-mentioned technical proposal, described six triodes its colelctor electrodes is all connected with modular converter,
Its emitter stage connecting interface element.
Furthermore, in above-mentioned technical proposal, four described road output control modules are by four relay circuits
Constitute, relay circuit correspondence is connected with the 16th of the first chip, 17,29,32 pins.
Furthermore, in above-mentioned technical proposal, four described road keyboard input modules have four key switches,
One end ground connection of switch, the 33rd to 36 pin of other end correspondence the first chip of connection；Switch and the
Also connect and be grounded after a resistance and electric capacity in one end of one chip-in series.
Furthermore, in above-mentioned technical proposal, described modular converter includes：First modular converter and second
Modular converter.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
1st, select many in control mode, with manual, timing, liquid level difference, remote control etc., and traditional control
The problems such as mode realizes above-mentioned control mode, high cost, circuit complexity, poor reliability, maintenance hardly possible.And this control
Device processed is connected and is capable of achieving by the built-in program of single-chip microcomputer switch, protection etc..
2nd, this controller can realize linkage function in terms of the liquid level difference after grid front gate, liquid level difference after grid front gate
During more than certain value, liquid level difference meter outputs signal to controller, and controller works until signal after detecting signal
Disappear.And in traditional control mode, it is more difficult to realize this function.
3rd, this controller can be linked with belt conveyor, on grid sewage-removing machine is operated, after time delay for a period of time
(adjustable) outputs signal to belt conveyor work, and the debris that anti-grid sewage-removing machine brings are transported away, and work as lattice
Grid stop rear time delay and stop belt conveyor (adjustable), and debris are all seen off, are not trapped on belt conveyor.
Reduce the workload of work cleaning.
4th, this controller integrated level, high degree of automation, reliability are high.Due to the monolithic of the technical grade of use
Machine and electronics unit device composition, realize control by software in logic, reduce outside line, improve reliability,
Defencive function is thorough, and the terminal that defencive function is crossed on ventilating controller is connected with protection element, when protection element sends
Signal, controller is pulled up a horse and is stopped, and warning output.
Brief description of the drawings：
Fig. 1 is circuit diagram of the invention；
Fig. 2 is schematic diagram of the invention；
Fig. 3 is electrical schematic diagram of the invention.
Specific embodiment：
With reference to specific embodiments and the drawings, the present invention is further described.
As shown in Fig. 1-3, grid nonshared control unit, including：On-off signal acquisition module 1, charactron shows
Show module 2, four road keyboard input modules 3, four road output control modules 4, modular converter 5 and main control electricity
Road module 6, described modular converter 5 and On-off signal acquisition module 1 is connected with governor circuit module 6,
Governor circuit module 6 is connected with the road output control module 4 of numeral method module 2 and four；Four described tunnels
Keyboard input module 3 is connected with modular converter 5.
Specifically, described main control circuit module 6 includes：First chip 61, the second chip 62 and
Three chips 63；First chip 61 is a kind of mixed-signal processor chip, model MSP430F149, second
The model MAX823 of chip 62, the model interface chip of the 3rd chip 63.
Wherein, the first chip 61 has 64 pins, the first pin to the 7th pin, the tenth pin to the tenth
Three pins, the 15th pin, the 18th pin to the 28th pin, the 30th pin and the 31st pin
Leave a blank；An electric capacity C1 and electric capacity C2, the 9th pin are parallel between first pin and the 64th pin
And the tenth be in series between pin between the pins of crystal oscillator Y1, the 52nd and the 53rd and be in series with crystal oscillator electricity
Road；
Second chip 62 has five pins, and second pin ground connection, the 3rd pin is left a blank, and the 5th pin serial connection has electricity
Hold C5 and electric capacity C6, electric capacity C6 two ends connect+3V and ground connection respectively；The of 4th pin and the first chip 61
61 pin serial connections；3rd chip 63 has 14 pins, wherein second pin, the 4th pin, the
Six pins, the 8th pin and the 13rd pin are left a blank；First pin of the 3rd chip 63, the 3rd pin,
Five pins and the 7th pin respectively correspond to be connected with the 54th pin of the first chip 61, the 55th pin
Connection, the connection of the 56th pin and the connection of the 57th pin；The 9th pin ground connection of the 3rd chip 63,
Connect a resistance R1 between the 13rd pin and the first pin of the second chip 62.
Described On-off signal acquisition module 1 has 11 optic coupling elements, and the input of 11 tunnels is corresponded to respectively,
It is connected with interface element after the resistance of one pin serial connection one of the easy element of optocoupler, after second pin and the 3rd pins in parallel
The electric capacity C12 that connects is connected with the 4th pin, electric capacity C12 one end ground connection, the other end and the first chip 61
51st pin is connected.Described numeral method module 2 includes：Fourth chip 2121, fifth chip
22nd, six road triodes and the first photoelectric cell 23, the second photoelectric cell 24 are constituted, and fourth chip 21 has
13 pins, fifth chip 22 has 20 pins, the first photoelectric cell 23 and the second photoelectric cell
24 are respectively provided with 12 pins；Wherein, in fourth chip 2121, the first pin of fourth chip 21 and
Second pin parallel connection after be connected with the 4th pin of fifth chip 22, after the resistance R41 of the 3rd pin serial connection one and
First, second photoelectric cell 23,24 the 11st pin connection, after the resistance R42 of the 4th pin serial connection one with
The 7th pin connection of first, second photoelectric cell 23,24；With after the resistance R43 of 5th pin serial connection one
First, the 4th pin connection of the second photoelectric cell 23,24, after the 6th pin serial connection resistance R44 with first,
The second pin connection of the second photoelectric cell 23,24, with first, second after the tenth pin serial connection resistance R45
The first pin connection of photoelectric cell 23,24, the 11st pin serial connection resistance R46 is after first, second light
The tenth pin connection of electric device 23,24, with first, second photoelectricity after the 12nd pin serial connection resistance R47
The 5th pin connection of element 23,24, with first, second photo elements after the 13rd pin serial connection resistance R47
The 3rd pin connection of part 23,24；8th pin is connected with the 5th pin of fifth chip 22；9th,
Connected after 14 pins in parallel and be grounded after an electric capacity C26；In fifth chip 22, first, second, third,
Six, the seven, the 12nd and the 19th pin leave a blank, the tenth pin ground connection, the 8th pin and the first chip
45th pin serial connection of 61 the 47th pin serial connection, the 9th pin and the first chip 61；11st
Pin is connected with the 37th pin of the first chip 61；13rd to 15 pin respectively with first three three pole
The base stage connection of pipe, the base stage of triode also with the eight, the nine, the 12nd pins of the first photoelectric cell 23
Series connection；Base stage of 17th to 18 pin respectively with rear three triodes is connected, afterwards three base stages of triode
Also with the eight, the nine, the 12nd pin serial connections of the second photoelectric cell 24.Six described triodes its collection
Electrode is all connected with modular converter 5, its emitter stage connecting interface element.
Four described road output control modules 4 are made up of four relay circuits, relay circuit correspondence and first
Chip 61 the 16th, 17,29,32 pins connection.Four road keyboard input modules 4 have
Four key switches, one end ground connection of switch, the 30th three to three of other end correspondence the first chip 61 of connection the
16 pins；One end for being connected with the first chip 61 of switch is also connected ground connection after a resistance and electric capacity.
Described modular converter 5 includes：First modular converter 51 and the second modular converter 52, also including one
Three modular converters 53, the first modular converter turns 5V modules for 24V, and the second module turns 3V3.0 modules for 5V,
3rd module turns 3V modules for 5V.
As shown in Figure 3, four described road output control modules 4 four tunnels output be respectively Q1, Q2, Q3,
Q4, numeral method module 2 has 6 charactrons, after powered up, charactron meeting all light, after general 1 second,
Main control circuit module 6 goes to obtain mode of operation, when mode of operation is " timing mode ", charactron difference
Display time intervals and run time, show middle "-" under other patterns.Certainly, controlled in the present embodiment
The control mode of device is respectively：" manual ", " timing ", " liquid is poor ", " remote control " four kinds of patterns." manual " mould
Under formula, system should detect the motor overload state of grid maker, when it is determined that not having overload signal, SA1 rotates to open position
Put.Q1 is exported, drive motor operation.Until SA1 is rotated to Q1 during stop position is output as 0, motor stops
Work.When overload signal occurs, Q1 should stop output.Q2 set simultaneously.Under " timing " pattern,
System should detect motor overload state, when it is determined that not having overload signal, interval time arrives.Q1 is exported, and drives electricity
Machine runs.Until run time is output as 0 to Q1, motor is stopped.When overload signal occurs, Q1
Output should be stopped.Q2 set simultaneously.Under " liquid is poor " pattern, system should detect motor overload state, when true
Surely do not have overload signal, during I5 home position signals.Q1 is exported, drive motor operation.Until when I5 signals are 0
Q1 is output as 0, and motor is stopped.When overload signal occurs, Q1 should stop output.Q2 puts simultaneously
Position.Under " remote control " pattern, system should detect motor overload state, when it is determined that not having overload signal, I4 signals are put
During position.Q1 is exported, drive motor operation.Until Q1 is output as 0 when I4 signals are 0, motor is stopped.
When overload signal occurs, Q1 should stop output.Q2 set simultaneously.
Under four kinds of patterns of the above, as long as I3 signals are 1, Q1 outputs, drive motor operation, until I3
Signal is that 0, Q1 is output as 0, and motor is stopped.Q1 export 1 minute after, Q3 just export 5 after clock,
Main control circuit module 6 should be provided with tripping defencive function, and when system sends run signal (Q1), and I2 does not catch
Signal is received, after 5 seconds, Q1 stops output, Q2 output alarm signals.Controller is provided with " interval setting
With display LED and button, can show that numerical value and modification set number under timing I8 patterns, also be set on controller
Have " run time with display LED and button, can show under timing I8 patterns numerical value and modification setting number.
Four road keyboard input modules 3 have 4 buttons, and 4 buttons are defined as：Button is respectively " work(from left to right
Can key ", " upward ", " downward ", " it is determined that ", " interval time ", " run time ", " Q3 run times ",
The setting of " Q3 start-up time delays " parameter, only under timing mode effectively.
The modification of " interval time "：Under timing mode, pin " function key " and press " upward " key fixed time interval again
Charactron start flicker, now by " upward " or " downward " can with step value as 1 modify be spaced when
Between value, when pin " function key " again press " upward " or " downward " when be to be entered in the ranks with step value as 10
Every the modification of time.Pin " function " key after the completion of modification, then press " it is determined that " key, numeral method " 111 ",
Illustrate parameter modification success, subsequent controller restarting.If want to save is not to check numerical value or abandon repairing
Change, then directly press " it is determined that " modification is exited by key, and equipment is restarted simultaneously.
The modification of " run time "：Under timing mode, pin " function key " and press " downward " key interval again
Charactron start flicker, now by " upward " or " downward " can with step value as 1 modify run when
Between value, when pin " function key " again press " upward " or " downward " when be to be transported with step value as 10
The modification of row time.Pin " function " key after the completion of modification, then press " it is determined that " key, numeral method " 222 ",
Illustrate parameter modification success, subsequent controller restarting.If want to save is not to check numerical value or abandon repairing
Change, then directly press " it is determined that " modification is exited by key, and equipment is restarted simultaneously.
The modification of " Q3 run times "：Under timing mode, pin " it is determined that " key presses " upward " key regularly again
The charactron at interval starts flicker, can now be modified fortune with step value as 1 by " upward " or " downward "
The value of row time, when pinning " function " key and pressing " upward " or " downward " is again entered with step value as 10
The modification of between-line spacing time.Pin " function " key after the completion of modification, then press " it is determined that " key, numeral method
" 333 ", illustrate parameter modification success, subsequent controller restarting.If want to save is not to check numerical value
Or abandon modification, then directly press " it is determined that " exit by key and change while equipment is restarted.
The modification of " Q3 start-up time delays "：Under timing mode, pin " it is determined that " key presses " downward " key again
The charactron of fixed time interval starts flicker, can now be repaiied with step value as 1 by " upward " or " downward "
Change the value of run time, be to be with step value when pinning " function " key and pressing " upward " or " downward " again
10 modifications for carrying out interval time.Pin " function " key after the completion of modification, then press " it is determined that " key, it is digital
Pipe shows " 444 ", illustrates parameter modification success, subsequent controller restarting.If want to save is not to look into
See numerical value or abandon modification, then directly press " it is determined that " exit by key and change while equipment is restarted.
Certainly, the foregoing is only specific embodiment of the invention, not limit the scope of the present invention,
All equivalent change or modifications done according to construction, feature and principle described in scope of the present invention patent, all should wrap
Include in scope of the present invention patent.
Claims (8)
1. grid nonshared control unit, it is characterised in that：Including：On-off signal acquisition module, charactron show
Show module, four road keyboard input modules, four road output control modules, modular converter and main control circuit module,
Described modular converter and On-off signal acquisition module is connected with governor circuit module, governor circuit module and number
Code pipe display module and four road output control module connections；Four described road keyboard input modules and modular converter
Connection.
2. grid nonshared control unit according to claim 1, it is characterised in that：Described main control electricity
Road module includes：First chip, the second chip and the 3rd chip；
Wherein,
First chip have 64 pins, the first pin to the 7th pin, the tenth pin to the 13rd pin,
15th pin, the 18th pin to the 28th pin, the 30th pin and the 31st pin are left a blank；
An electric capacity C1 and electric capacity C2, the 9th pin and the tenth pin are parallel between first pin and the 64th pin
Between be in series between the crystal oscillator pins of Y1, the 52nd and the 53rd and be in series with a crystal oscillating circuit；
Second chip has five pins, and second pin ground connection, the 3rd pin is left a blank, and the 5th pin serial connection has electricity
Hold C5 and electric capacity C6, electric capacity C6 two ends connect+3V and ground connection respectively；The 60th of 4th pin and the first chip
One pin serial connection；
3rd chip has 14 pins, wherein second pin, the 4th pin, the 6th pin, the 8th pin
Left a blank with the 13rd pin；First pin of the 3rd chip, the 3rd pin, the 5th pin and the 7th pin difference
Correspondence be connected with the 54th pin of the first chip, the 55th pin connect, the 56th pin connect and
57th pin is connected；The 9th pin ground connection of the 3rd chip, the 13rd pin draws with the first of the second chip
Connect a resistance R1 between pin.
3. grid nonshared control unit according to claim 1, it is characterised in that：Described switching value is defeated
Enter acquisition module with 11 optic coupling elements, the input of 11 tunnels, a pin string of the easy element of optocoupler are corresponded to respectively
It is connected with interface element after joining a resistance, connect an electric capacity C12 and the 4th after second pin and the 3rd pins in parallel
Pin is connected, and electric capacity C12 one end ground connection, the other end is connected with the 51st pin of the first chip.
4. grid nonshared control unit according to claim 1, it is characterised in that：Described charactron shows
Show that module includes：Fourth chip, fifth chip, six road triodes and the first photoelectric cell, the second photoelectric cell
Constitute, fourth chip has 13 pins, fifth chip has 20 pins, the first photoelectric cell and the
Two photoelectric cells are respectively provided with 12 pins；
Wherein,
In fourth chip, draw with the 4th of fifth chip the after the first pin and the second pin parallel connection of fourth chip
Pin is connected, and is connected with the 11st pin of first, second photoelectric cell after the resistance R41 of the 3rd pin serial connection one,
It is connected with the 7th pin of first, second photoelectric cell after the resistance R42 of 4th pin serial connection one；5th pin string
It is connected with the 4th pin of first, second photoelectric cell after joining a resistance R43, the 6th pin serial connection resistance R44
The second pin with first, second photoelectric cell is connected afterwards, with first, after the tenth pin serial connection resistance R45
The first pin connection of two photoelectric cells, the 11st pin serial connection resistance R46 is after first, second photoelectric cell
The tenth pin connection, the 5th pin after the 12nd pin serial connection resistance R47 with first, second photoelectric cell
Connection, is connected after the 13rd pin serial connection resistance R47 with the 3rd pin of first, second photoelectric cell；8th
Pin is connected with the 5th pin of fifth chip；The electric capacity C26 that connected after nine, the 14th pins in parallel is followed by
Ground；
In fifth chip, the first, second, third, the six, the seven, the 12nd and the 19th pin is left a blank,
47th pin serial connection of the tenth pin ground connection, the 8th pin and the first chip, the 9th pin and the first chip
The 45th pin serial connection；11st pin is connected with the 37th pin of the first chip；Tenth three to ten
Five pins are connected with the base stage of first three triode respectively, and the base stage of triode is also with the of the first photoelectric cell
8th, the nine, the 12nd pin serial connection；Base stage of 17th to 18 pin respectively with rear three triodes is connected,
Afterwards three base stages of triode also with the eight, the nine, the 12nd pin serial connections of the second photoelectric cell.
5. grid nonshared control unit according to claim 4, it is characterised in that：Six described three poles
Manage its colelctor electrode and be all connected with modular converter, its emitter stage connecting interface element.
6. grid nonshared control unit according to claim 1, it is characterised in that：Described four tunnels output
Control module is made up of four relay circuits, relay circuit correspondence is with the 16th of the first chip, 17,
29,32 pins are connected.
7. grid nonshared control unit according to claim 1, it is characterised in that：Four described road buttons
One end that input module has four key switches, switch is grounded, and the 3rd of other end correspondence the first chip of connection the
13 to 36 pins；Switch and one end of the first chip-in series are also connected ground connection after a resistance and electric capacity.
8. grid nonshared control unit according to claim 1, it is characterised in that：Described modular converter
Including：First modular converter and the second modular converter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510812936.9A CN106773882A (en) | 2015-11-20 | 2015-11-20 | Grid nonshared control unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510812936.9A CN106773882A (en) | 2015-11-20 | 2015-11-20 | Grid nonshared control unit |
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| CN106773882A true CN106773882A (en) | 2017-05-31 |
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Application publication date: 20170531 |