CN108930610A - A kind of control system and control method of Stirling-electric hybrid - Google Patents
A kind of control system and control method of Stirling-electric hybrid Download PDFInfo
- Publication number
- CN108930610A CN108930610A CN201810963422.7A CN201810963422A CN108930610A CN 108930610 A CN108930610 A CN 108930610A CN 201810963422 A CN201810963422 A CN 201810963422A CN 108930610 A CN108930610 A CN 108930610A
- Authority
- CN
- China
- Prior art keywords
- stirling
- electric hybrid
- module
- electrical network
- external electrical
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000003990 capacitor Substances 0.000 claims abstract description 12
- 238000010248 power generation Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/045—Controlling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
- F02G1/0435—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines the engine being of the free piston type
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a kind of control system of Stirling-electric hybrid and control methods, including starting module, starting module includes detecting the temperature sensor and the concatenated first resistor module of Stirling-electric hybrid in Stirling-electric hybrid hot end, temperature sensor receives numerical value and reaches preset value, and Stirling-electric hybrid and the concatenated first resistor module of Stirling-electric hybrid are connected to by control module with external electrical network；Power supply module, power supply module includes the second resistance module in parallel with Stirling-electric hybrid, second resistance module is used to detect the generating voltage of Stirling-electric hybrid, it further include the first capacitor module concatenated with Stirling-electric hybrid, adjust the power generation phase angle that capacitor is used to adjust Stirling-electric hybrid, when generating voltage is consistent with power generation phase angle, Stirling-electric hybrid is incorporated to external electrical network by control module；Brake module, brake module include with the concatenated 3rd resistor module of Stirling-electric hybrid and the second capacitance module, Stirling-electric hybrid is disconnected with external electrical network and is connected to brake module by control module when emergency cut-off.
Description
Technical field
The present invention relates to generating equipments, more particularly to the control system and control method of a kind of Stirling-electric hybrid.
Background technique
Space heat source such as solar energy, nuclear energy etc. can be converted to mechanical energy by free-piston type Stirling linear electric generator, so
Mechanical energy is converted to by electric energy by the linear motor being connected on generator afterwards, is a kind of important space power.Space flight electricity
Source is the power support system of remote-measuring equipment and spaceflight apparatus instrument etc., thus it is very high to its reliability requirement, and freely live
Plug stirling generator is relative to other stirling generators with high-efficient, exhaust pollution is few, low noise, service performance
Good, service life length and high reliability.So carry out the research of free-piston type stirling generator control system has very much
Meaning.
The control system of existing Stirling-electric hybrid, control system include various inverter modules and startup power supply, additionally
Startup power supply increase component and cost, and various inverter modules considerably increase the complexity degree of control system,
Component and cost are not only increased, and circuit complexity stability is not high, is difficult to control.
Summary of the invention
The technical problem to be solved by the present invention is to it is simple and reliable to provide a kind of circuit, does not need inverter module and starting
The Stirling-electric hybrid control system and control method of power supply.
The technical solution of the invention is as follows, provides a kind of control system of Stirling-electric hybrid, including control module, Stirling
Machine and external electrical network, further includes:
Starting module, starting module include detecting the temperature sensor and the concatenated first resistor of Stirling-electric hybrid in Stirling-electric hybrid hot end
Module, temperature sensor receive numerical value and reach preset value, and control module is by Stirling-electric hybrid and the concatenated first resistor of Stirling-electric hybrid
Module is connected to external electrical network；
Power supply module, power supply module include the second resistance module in parallel with Stirling-electric hybrid, and second resistance module is for detecting this
The generating voltage of special woods machine further includes the first capacitor module concatenated with Stirling-electric hybrid, adjusts capacitor for adjusting Stirling
The power generation phase angle of machine, when generating voltage is consistent with power generation phase angle, Stirling-electric hybrid is incorporated to external electrical network by control module；
Brake module, brake module include and the concatenated 3rd resistor module of Stirling-electric hybrid and the second capacitance module, emergency cut-off
When control module Stirling-electric hybrid and external electrical network are disconnected and are connected to brake module.
Preferably, the first resistor module, second resistance module and 3rd resistor module include at least one electricity
Resistance.
After above method, the control system of Stirling-electric hybrid of the invention has following excellent compared with prior art
Point: by starting module, not needing additional power supply, reduces component, and carry out partial pressure by first resistor module and can guarantee
External electrical network start Stirling-electric hybrid, it is convenient and efficient, and using electronic component it is few, when Stirling-electric hybrid operation to a certain degree when, lead to
The generating voltage for crossing second resistance module detection Stirling-electric hybrid on power supply module, reaches preset value and by first capacitor module tune
Whole Stirling-electric hybrid phase angle, makes Stirling-electric hybrid meet grid-connected requirement, and Stirling-electric hybrid is connected to external electrical network later, that is, does not need each
Kind inverter module greatly reduces the complexity of circuit, and improves stability, and in addition brake module can be in emergency cut-off
When reversely done work to Stirling-electric hybrid, avoid Stirling-electric hybrid inner piston from the phenomenon that hitting cylinder occur.
The technical solution of the invention is as follows, provides a kind of control method of Stirling-electric hybrid, comprising the following steps:
S1, temperature sensor detects Stirling-electric hybrid hot-side temperature in starting module, when temperature reaches preset value, control module by this
Special woods machine and the concatenated first resistor module of Stirling-electric hybrid are connected to external electrical network, and control module is special by this after Stirling-electric hybrid starting
Woods machine and external electrical network disconnect；
S2, the operation of Stirling-electric hybrid hot end continuous heating, power supply module detect effective electricity of the second resistance in parallel with Stirling-electric hybrid
Pressure, and Stirling-electric hybrid phase angle is adjusted by capacitance module, when effective voltage and phase angle reach preset value, control module will
Stirling-electric hybrid is incorporated to external electrical network；
S3, Stirling-electric hybrid normal switching-off or emergency cut-off, when Stirling-electric hybrid emergency cut-off, control module is by Stirling-electric hybrid and external
Power grid is disconnected and is connected to braking circuit.
Preferably, the step S2 is further comprising the steps of, and temperature sensor detects Stirling-electric hybrid hot-side temperature, works as temperature
When degree is more than setting value, power supply module detects the effective voltage of the second resistance in parallel with Stirling-electric hybrid.
After above method, the control method of Stirling-electric hybrid of the invention has following excellent compared with prior art
Point: by starting module, not needing additional power supply, reduces component, and carry out partial pressure by first resistor module and can guarantee
External electrical network start Stirling-electric hybrid, it is convenient and efficient, and using electronic component it is few, when Stirling-electric hybrid operation to a certain degree when, lead to
The generating voltage for crossing second resistance module detection Stirling-electric hybrid on power supply module, reaches preset value and by first capacitor module tune
Whole Stirling-electric hybrid phase angle, makes Stirling-electric hybrid meet grid-connected requirement, and Stirling-electric hybrid is connected to external electrical network later, that is, does not need each
Kind inverter module greatly reduces the complexity of circuit, and improves stability, and in addition brake module can be in emergency cut-off
When reversely done work to Stirling-electric hybrid, avoid Stirling-electric hybrid inner piston from the phenomenon that hitting cylinder occur.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of start-up circuit.
Fig. 2 is the structural schematic diagram of power supply circuit.
Fig. 3 is the structural schematic diagram of braking circuit.
It is as shown in the figure: 1, Stirling-electric hybrid；2, first resistor module；3, second resistance module；4,3rd resistor module；5,
One capacitance module；6, the second capacitance module.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples.
The technical solution of the invention is as follows, provides a kind of control system of Stirling-electric hybrid 1, including control module, Si Te
Woods machine 1 and external electrical network, further includes:
Starting module, starting module include detecting 1 concatenated first electricity of temperature sensor and Stirling-electric hybrid in 1 hot end of Stirling-electric hybrid
Module 2 is hindered, temperature sensor receives numerical value and reaches preset value, and control module is by Stirling-electric hybrid 1 and Stirling-electric hybrid 1 concatenated first
Resistive module 2 is connected to external electrical network；
Power supply module, power supply module include the second resistance module 3 in parallel with Stirling-electric hybrid 1, and second resistance module 3 is for detecting
The generating voltage of Stirling-electric hybrid 1 further includes the first capacitor module 5 concatenated with Stirling-electric hybrid 1, adjusts capacitor for adjusting this
The power generation phase angle of special woods machine 1, when generating voltage is consistent with power generation phase angle, Stirling-electric hybrid 1 is incorporated to outside by control module
Power grid；
Brake module, brake module include and the concatenated 3rd resistor module 4 of Stirling-electric hybrid 1 and the second capacitance module 6, urgent pass
Stirling-electric hybrid 1 is disconnected with external electrical network and is connected to brake module by control module when closing.
After above method, the control system of Stirling-electric hybrid 1 of the invention has following excellent compared with prior art
Point: by starting module, not needing additional power supply, reduces component, and carry out partial pressure by first resistor module 2 and can guarantee
External electrical network start Stirling-electric hybrid 1, it is convenient and efficient, and using electronic component it is few, when Stirling-electric hybrid 1 run to a certain degree when,
The generating voltage that Stirling-electric hybrid 1 is detected by second resistance module 3 on power supply module reaches preset value and by first capacitor mould
Block 5 adjusts 1 phase angle of Stirling-electric hybrid, so that Stirling-electric hybrid 1 is met grid-connected requirement, Stirling-electric hybrid 1 is connected to external electrical network later, i.e.,
It does not need various inverter modules and greatly reduces the complexity of circuit, and improve stability, brake module can be urgent
It is reversely done work when closing to Stirling-electric hybrid 1,1 inner piston of Stirling-electric hybrid is avoided the phenomenon that hitting cylinder, Stirling-electric hybrid 1 itself occur
Motion frequency or refer to that generation frequency is similar to external electrical network, i.e., when described Stirling-electric hybrid 1 is with power supply circuit with connecting
1 generation frequency of Stirling-electric hybrid and external electrical network frequency are almost the same, i.e., when external electrical network connects, the frequency of Stirling-electric hybrid 1 and outer
Portion's mains frequency is close, can be realized by the temperature and the piston structure of Stirling-electric hybrid 1 that hot end is arranged, the on power supply module
The generating voltage of two resistive modules 3 detection Stirling-electric hybrid 1 can be realized that the ammeter is equipped with directly aobvious by external ammeter
Show the display area that electric current generates, the ammeter is for detecting size of current in second resistance module 3, it can is sent out
Piezoelectric voltage, by external ammeter, does not influence circuit main board not only and is convenient for changing since voltage and current is unstable.
First resistor module 2, second resistance module 3 and the 3rd resistor module 4 includes at least one resistance, i.e.,
Resistive module be it is multiple form in series and parallel, convenient for adjusting debugging, and resistive module can be adjustable resistance, meets and does not have to situation
Under needs.
The technical solution of the invention is as follows, provides a kind of control method of Stirling-electric hybrid 1, comprising the following steps:
S1, temperature sensor detects 1 hot-side temperature of Stirling-electric hybrid in starting module, and when temperature reaches preset value, control module will
Stirling-electric hybrid 1 and the concatenated first resistor module 2 of Stirling-electric hybrid 1 are connected to external electrical network, control module after Stirling-electric hybrid 1 starts
Stirling-electric hybrid 1 and external electrical network are disconnected；
S2, the operation of 1 hot end continuous heating of Stirling-electric hybrid, power supply module detect the effective of the second resistance in parallel with Stirling-electric hybrid 1
Voltage, and 1 phase angle of Stirling-electric hybrid is adjusted by capacitance module, when effective voltage and phase angle reach preset value, control mould
Stirling-electric hybrid 1 is incorporated to external electrical network by block；
S3,1 normal switching-off of Stirling-electric hybrid or emergency cut-off, when 1 emergency cut-off of Stirling-electric hybrid, control module by Stirling-electric hybrid 1 with
External electrical network is disconnected and is connected to braking circuit.
After above method, the control method of Stirling-electric hybrid 1 of the invention has following excellent compared with prior art
Point: by starting module, not needing additional power supply, reduces component, and carry out partial pressure by first resistor module 2 and can guarantee
External electrical network start Stirling-electric hybrid 1, it is convenient and efficient, and using electronic component it is few, when Stirling-electric hybrid 1 run to a certain degree when,
The generating voltage that Stirling-electric hybrid 1 is detected by second resistance module 3 on power supply module reaches preset value and by first capacitor mould
Block 5 adjusts 1 phase angle of Stirling-electric hybrid, so that Stirling-electric hybrid 1 is met grid-connected requirement, Stirling-electric hybrid 1 is connected to external electrical network later, i.e.,
It does not need various inverter modules and greatly reduces the complexity of circuit, and improve stability, in addition brake module can be
It is reversely done work when emergency cut-off to Stirling-electric hybrid 1,1 inner piston of Stirling-electric hybrid is avoided the phenomenon that hitting cylinder occur.
The step S2 is further comprising the steps of, and temperature sensor detects 1 hot-side temperature of Stirling-electric hybrid, when temperature is more than
When setting value, power supply module detects the effective voltage of the second resistance in parallel with Stirling-electric hybrid 1, and temperature is more than that setting value is just examined
It surveys, reduces detection number and more accurate, and control can be kept more quasi- by the operating status of thermotonus Stirling-electric hybrid 1
Really.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (4)
1. a kind of control system of Stirling-electric hybrid, including control module, Stirling-electric hybrid 1 and external electrical network, which is characterized in that also wrap
It includes:
Starting module, starting module include detecting 1 concatenated first electricity of temperature sensor and Stirling-electric hybrid in 1 hot end of Stirling-electric hybrid
Module 2 is hindered, temperature sensor receives numerical value and reaches preset value, and control module is by Stirling-electric hybrid 1 and Stirling-electric hybrid 1 concatenated first
Resistive module 2 is connected to external electrical network；
Power supply module, power supply module include the second resistance module 3 in parallel with Stirling-electric hybrid 1, and second resistance module 3 is for detecting
The generating voltage of Stirling-electric hybrid 1 further includes the first capacitor module 5 concatenated with Stirling-electric hybrid 1, adjusts capacitor for adjusting this
The power generation phase angle of special woods machine 1, when generating voltage is consistent with power generation phase angle, Stirling-electric hybrid 1 is incorporated to outside by control module
Power grid；
Brake module, brake module include and the concatenated 3rd resistor module 4 of Stirling-electric hybrid 1 and the second capacitance module 6, urgent pass
Stirling-electric hybrid 1 is disconnected with external electrical network and is connected to brake module by control module when closing.
2. the control system of Stirling-electric hybrid according to claim 1, it is characterised in that: the first resistor module 2,
Two resistive modules 3 and 3rd resistor module 4 include at least one resistance.
3. a kind of control method of Stirling-electric hybrid, it is characterised in that: the following steps are included:
S1, temperature sensor detects 1 hot-side temperature of Stirling-electric hybrid in starting module, and when temperature reaches preset value, control module will
Stirling-electric hybrid 1 and the concatenated first resistor module 2 of Stirling-electric hybrid 1 are connected to external electrical network, control module after Stirling-electric hybrid 1 starts
Stirling-electric hybrid 1 and external electrical network are disconnected；
S2, the operation of 1 hot end continuous heating of Stirling-electric hybrid, power supply module detect the effective of the second resistance in parallel with Stirling-electric hybrid 1
Voltage, and 1 phase angle of Stirling-electric hybrid is adjusted by capacitance module, when effective voltage and phase angle reach preset value, control mould
Stirling-electric hybrid 1 is incorporated to external electrical network by block；
S3,1 normal switching-off of Stirling-electric hybrid or emergency cut-off, when 1 emergency cut-off of Stirling-electric hybrid, control module by Stirling-electric hybrid 1 with
External electrical network is disconnected and is connected to braking circuit.
4. the control method of Stirling-electric hybrid according to claim 3, it is characterised in that: the step S2 further includes following
Step, temperature sensor detect 1 hot-side temperature of Stirling-electric hybrid, when temperature is more than setting value, power supply module detection and Stirling
The effective voltage of the second resistance in parallel of machine 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963422.7A CN108930610B (en) | 2018-08-23 | 2018-08-23 | Control system and control method of Stirling engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810963422.7A CN108930610B (en) | 2018-08-23 | 2018-08-23 | Control system and control method of Stirling engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108930610A true CN108930610A (en) | 2018-12-04 |
| CN108930610B CN108930610B (en) | 2024-05-24 |
Family
ID=64445557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810963422.7A Active CN108930610B (en) | 2018-08-23 | 2018-08-23 | Control system and control method of Stirling engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108930610B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999722A (en) * | 2018-08-23 | 2018-12-14 | 日照华斯特林科技有限公司 | Control circuit, control method and the Stirling-electric hybrid of Stirling-electric hybrid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009213187A (en) * | 2008-02-29 | 2009-09-17 | Rinnai Corp | Power-generating apparatus |
| CN102246408A (en) * | 2008-12-09 | 2011-11-16 | 因菲尼亚公司 | Apparatus, systems, and methods for controlling energy converting devices |
| WO2012034885A2 (en) * | 2010-09-16 | 2012-03-22 | Siemens Aktiengesellschaft | Unit for heat, cold and electricity generation |
| CN108999722A (en) * | 2018-08-23 | 2018-12-14 | 日照华斯特林科技有限公司 | Control circuit, control method and the Stirling-electric hybrid of Stirling-electric hybrid |
| CN208778114U (en) * | 2018-08-23 | 2019-04-23 | 日照华斯特林科技有限公司 | A kind of control system of Stirling-electric hybrid |
| CN208778113U (en) * | 2018-08-23 | 2019-04-23 | 日照华斯特林科技有限公司 | The control circuit and Stirling-electric hybrid of Stirling-electric hybrid |
-
2018
- 2018-08-23 CN CN201810963422.7A patent/CN108930610B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009213187A (en) * | 2008-02-29 | 2009-09-17 | Rinnai Corp | Power-generating apparatus |
| CN102246408A (en) * | 2008-12-09 | 2011-11-16 | 因菲尼亚公司 | Apparatus, systems, and methods for controlling energy converting devices |
| WO2012034885A2 (en) * | 2010-09-16 | 2012-03-22 | Siemens Aktiengesellschaft | Unit for heat, cold and electricity generation |
| CN108999722A (en) * | 2018-08-23 | 2018-12-14 | 日照华斯特林科技有限公司 | Control circuit, control method and the Stirling-electric hybrid of Stirling-electric hybrid |
| CN208778114U (en) * | 2018-08-23 | 2019-04-23 | 日照华斯特林科技有限公司 | A kind of control system of Stirling-electric hybrid |
| CN208778113U (en) * | 2018-08-23 | 2019-04-23 | 日照华斯特林科技有限公司 | The control circuit and Stirling-electric hybrid of Stirling-electric hybrid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999722A (en) * | 2018-08-23 | 2018-12-14 | 日照华斯特林科技有限公司 | Control circuit, control method and the Stirling-electric hybrid of Stirling-electric hybrid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108930610B (en) | 2024-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9509231B2 (en) | Power converter system, damping system, and method of operating a power converter system | |
| KR101390641B1 (en) | System and method for converting electric power, and apparatus and method for controlling the system | |
| CN102545639B (en) | For regulating the circuit of direct voltage and method and electric power converter | |
| CN103033697B (en) | Capacitor aging test circuit and aging system | |
| US20200227976A1 (en) | Dc-dc converter in a non-steady system | |
| CN208778114U (en) | A kind of control system of Stirling-electric hybrid | |
| CN102611291A (en) | Input flyback series output-parallel circuit of single control unit | |
| CN208778113U (en) | The control circuit and Stirling-electric hybrid of Stirling-electric hybrid | |
| CN102967827A (en) | Energy feedback type test device for three-phase asynchronous motor | |
| CN105553358B (en) | Free piston Stirling power generation system and control method | |
| CN101589532A (en) | A device and a method for supplying power to a critical load | |
| CN108930610A (en) | A kind of control system and control method of Stirling-electric hybrid | |
| CN108999722A (en) | Control circuit, control method and the Stirling-electric hybrid of Stirling-electric hybrid | |
| Abdou et al. | Impact of VSC faults on dynamic performance and low voltage ride through of DFIG | |
| KR20120004202A (en) | Standby power supply system for wind turbine system | |
| Sztykiel | Overview of power converter designs feasible for high voltage transformer-less wind turbine | |
| CN207117488U (en) | A kind of temperature-decreased pressure reducer of low energy consumption | |
| CN103546053B (en) | Device for converting electric energy and control method thereof | |
| Li et al. | Fault diagnosis and fault-tolerant control of photovoltaic micro-inverter | |
| Youxin et al. | A soft starter of three phase asynchronous motor | |
| CN208226859U (en) | Brake apparatus and frequency converter | |
| CN203151386U (en) | Excitation rectifier cabinet blocking type resistance capacitance protection structure | |
| CN109980950A (en) | Double PWM variable-frequency power sources feedback energy processing units and method | |
| CN109831194A (en) | A kind of high-power system solid-state relay starting protection method and system | |
| CN204287432U (en) | Vehicular power generation unit grid adaptability proving installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |