WO2014173363A1 - 开关整流器启动控制方法及其装置、存储介质 - Google Patents
开关整流器启动控制方法及其装置、存储介质 Download PDFInfo
- Publication number
- WO2014173363A1 WO2014173363A1 PCT/CN2014/079388 CN2014079388W WO2014173363A1 WO 2014173363 A1 WO2014173363 A1 WO 2014173363A1 CN 2014079388 W CN2014079388 W CN 2014079388W WO 2014173363 A1 WO2014173363 A1 WO 2014173363A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- voltage
- current
- power supply
- switching rectifier
- parameters
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000007613 environmental effect Effects 0.000 claims description 31
- 239000000428 dust Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 230000005684 electric field Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 238000009472 formulation Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000004913 activation Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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
- H02M1/36—Means for starting or stopping converters
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/565—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices sensing a condition of the system or its load in addition to means responsive to deviations in the output of the system, e.g. current, voltage, power factor
-
- 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
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/084—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters using a control circuit common to several phases of a multi-phase system
Definitions
- the present invention relates to a power control technology, and in particular, to a switch control rectifier start control method and device thereof, and a storage medium. Background technique
- the communication power supply is a device that supplies energy to a communication base station or a communication equipment room such as a communication room, and the switch rectifier is a core component of the communication power supply. Due to the high reliability requirements of the communication field, it is required that the communication power supply can supply energy to the communication device under various conditions, which requires the switch rectifier to be loaded and started under various conditions. For example, in the environment of minus 40 degrees, it is required to start with full load; for example, when the oil machine generates electricity, it can be fully loaded and so on. In addition, in the industry standard, there is a limit to the output voltage overshoot amplitude and soft start time in the switch. Since the environmental conditions applicable to the communication equipment are not coordinated, it is necessary to set a reasonable soft start strategy so that the switching rectifier can be started smoothly under any conditions.
- an embodiment of the present invention provides a control method, a device, and a storage medium when a switching rectifier is started, so that the switching rectifier can perform its voltage and/or current requirements according to its power supply device and external environmental factors. Start with its own load
- a soft start control method for a switching rectifier comprising:
- the voltage starting strategy comprises:
- the current starting strategy comprises:
- the power supply characteristic parameter is obtained by sampling a power supply circuit of the switching rectifier, or by a power supply requirement of the power supply object.
- the external environmental parameter of the switching rectifier includes at least one of the following parameters: temperature, humidity, dust particle size, electric field strength, magnetic field strength;
- the power supply characteristic parameter includes at least one of the following parameters: Input voltage, input current, maximum input power, etc.
- a switching rectifier starting control device comprises an acquiring unit, a strategy making unit and a control unit, wherein:
- the acquiring unit is configured to acquire an external environmental parameter of the switch rectifier and a power supply characteristic parameter of the power supply object;
- a policy setting unit configured to formulate a voltage start strategy and/or a current start strategy for the switch rectifier according to the external environment parameter and the power supply characteristic parameter;
- control unit configured to control the voltage and/or current of the switching rectifier to start to a full load voltage and/or current in accordance with the voltage activation strategy and/or the current activation strategy.
- the policy making unit is further configured to:
- the policy making unit is further configured to:
- the acquiring unit is further configured to acquire the power supply characteristic parameter by using a power supply circuit of the switching rectifier, or obtain the power supply characteristic parameter by using a power supply requirement of the power supply object.
- the external environmental parameter of the switching rectifier includes at least one of the following parameters: temperature, humidity, dust particle size, electric field strength, magnetic field strength;
- a storage medium storing a computer program, the computer program being configured to perform the soft start control method of the aforementioned switching rectifier.
- the switching rectifier when the switching rectifier is started, acquiring an external environmental parameter of the switching rectifier and a power supply characteristic parameter corresponding to the power supply object, and formulating a voltage starting strategy for the switching rectifier according to the external environmental parameter and the power supply characteristic parameter And/or a current start strategy, controlling the soft start of the switching rectifier in accordance with the voltage start strategy and/or the current start strategy until a full load voltage and/or current is provided to the load.
- the technical solution of the embodiment of the present invention can provide a suitable voltage and/or current starting manner according to the power supply requirement of the power supply object and the working environment thereof, so that the switching rectifier can meet the voltage and/or current requirements of the power supply device and the external environment. Factor to carry out its own load start.
- FIG. 1 is a schematic structural diagram of a power-on control device according to an embodiment of the present invention
- FIG. 2 is a schematic structural diagram of a power-on control device according to an embodiment of the present invention
- FIG. 3 is a flowchart of a power-on control method according to an embodiment of the present invention
- FIG. 5 is a schematic diagram of current starting according to Embodiment 1 of the present invention
- FIG. 6 is a schematic diagram of current starting according to Embodiment 2 of the present invention
- FIG. 7 is a schematic diagram of current starting according to Embodiment 3 of the present invention. detailed description
- the soft start strategy of the switching rectifier of the embodiment of the invention enables the DC-DC part of the switching rectifier to be fully loaded under different working conditions.
- the soft start method uses a digital signal processor (DSP) for digital control, and the DC-DC partial topology is a structure of a LLC resonant converter.
- the startup strategy includes a voltage soft start strategy and a current soft start strategy.
- the voltage loop reference value is continuously changed until the voltage loop reference reaches the set voltage value of the monitoring unit; when the current is soft-start, the current loop reference value is continuously changed according to the working environment of the switching rectifier until the current loop reference
- the monitoring unit sets the current limit point; after the voltage soft start and the current soft start are completed, the soft start of the entire switching rectifier will end.
- the loop structure of the DC-DC portion of the switching rectifier includes at least a voltage loop and a current loop, and the voltage loop and the current loop are in a parallel relationship.
- Soft-start methods for switching rectifiers include voltage soft-start and current soft-start, all of which are closed-loop soft-start.
- the topology of the DC-DC converter is not limited to the LLC resonant converter, and other topologies such as phase-shifted full bridges, half bridges, etc. may also implement the present invention.
- a switching rectifier startup control device includes an obtaining unit 10, a strategy formulating unit 11 and a control unit 12, where:
- the obtaining unit 10 is configured to acquire an external environmental parameter of the switch rectifier and a power supply characteristic parameter of the power supply object;
- the policy setting unit 11 is configured to formulate a voltage starting strategy and/or a current starting strategy for the switching rectifier according to the external environment parameter and the power supply characteristic parameter;
- the control unit 12 is configured to control the voltage and/or current of the switching rectifier to be activated to a full load voltage and/or current in accordance with the voltage activation strategy and/or the current activation strategy.
- the above policy making unit 11 is also configured to:
- the intermediate voltage is not necessarily set, and is mainly set according to the power supply requirement.
- the number of intermediate voltages may be one or two or more.
- the above policy making unit 11 is also configured to:
- the intermediate current is not necessarily set, and is mainly set according to the power supply requirement.
- the number of intermediate currents may be one or two or more.
- the obtaining unit 10 is further configured to acquire the power supply characteristic parameter by using a power supply circuit of the switching rectifier, or obtain the power supply characteristic parameter by using a power supply requirement of the power supply object.
- the external environmental parameters of the switching rectifier include at least one of the following parameters:
- the input voltage, the input current, the maximum input power, etc., the above-mentioned acquisition unit may be implemented by a sampling circuit, or the determined power supply characteristic parameters may be configured in the acquisition unit.
- Digital signal processor, FPGA, microprocessor, etc. are implemented.
- the policy formulation unit 11 and the control unit 12 can each be implemented by a CPU, a digital signal processor, an FPGA, a microprocessor, or the like.
- an analog sampling circuit 21 samples an analog temperature such as an ambient temperature and an input power supply device voltage.
- the soft start curve calculation circuit 22 calculates a soft start curve or a start line and supplies it to the voltage loop reference circuit 23 and the current loop reference circuit 26; the voltage loop reference circuit 23 calculates the circuit according to the soft start curve.
- the calculated soft start curve sets a reference voltage; this reference voltage is compared with the voltage detected by the voltage sampling circuit 24 to obtain an error; this error is adjusted and amplified by the voltage loop compensation circuit 25, and output to the comparator 29;
- the current loop reference circuit 26 sets a reference current according to the soft start curve or the start line calculated by the soft start curve calculation circuit 22; this reference current is compared with the current detected by the current sample circuit 27 to obtain an error; This error is adjusted and amplified by the current loop compensation circuit 28, and the output is ratio 29; comparator 29 voltage loop compensation circuit 25 and the output current loop compensation circuit 28, according to the comparison and selection, to the pulse width modulated signal No. calculating circuit 210; the driving signal sent by the pulse width modulation signal calculating circuit is amplified by the power tube driving circuit 211 to drive the operation of the power tube; the closed loop adjusting process is used to realize the soft start of the switching rectifier.
- FIG. 3 is a flowchart of a method for controlling a startup of a switching rectifier according to an embodiment of the present invention. As shown in FIG. 3, a method for controlling a startup of a switching rectifier according to an embodiment of the present invention includes the following steps:
- Step 301 Acquire an external environmental parameter of the switch rectifier and a power supply characteristic parameter of the power supply object.
- the power supply characteristic parameter and the external environment parameter are obtained by the power supply circuit of the switching rectifier, or the power supply characteristic parameter is obtained by the power supply requirement of the power supply object.
- the external environmental parameters of the switching rectifier include at least one of the following parameters:
- external environmental parameters such as temperature and humidity values of the power supply circuit can be obtained by using a temperature, a humidity sampler, or the like.
- parameters such as dust particle size can also be obtained.
- the characteristic parameters of the power supply device can be detected either by the detection circuit or manually before the rectifier product is installed according to the actual usage scenario.
- Step 302 Develop a voltage start strategy and/or a current start strategy for the power supply object according to the external environment parameter and the power supply characteristic parameter.
- the voltage starting strategy includes:
- the intermediate voltage is not necessarily set, and is mainly set according to the power supply requirement.
- the number of intermediate voltages may be one or two or more.
- the current starting strategy includes:
- the intermediate current is not necessarily set, and is mainly set according to the power supply requirement.
- the number of intermediate currents may be one or two or more.
- the current starting mode and the voltage starting mode can be executed in parallel.
- the voltage start strategy or current start strategy can be performed only on the power supply circuit as needed.
- Step 303 controlling the voltage and/or current of the switch rectifier to start to a full load voltage and/or current according to the voltage starting strategy and/or the current starting strategy.
- the startup voltage and/or the startup of the switching rectifier are adjusted by the aforementioned voltage activation strategy and/or current activation strategy to smoothly adjust the startup voltage and/or startup current to a full load voltage and/or current.
- the specific rectifier compensation is taken as an example to further clarify the essence of the technical solution of the embodiment of the present invention.
- the LLC resonant DC/DC converter has the following characteristics: (1) Since the resonant element operates in a sinusoidal resonant state, the voltage on the switching transistor naturally crosses zero, and the zero-voltage turn-on of the primary switching transistor can be realized in the range of the frequency conversion. With shutdown, the power loss is small; (2) Because the loss is small, the operating frequency can be made higher, which can effectively reduce the size and cost of the converter, and improve the power density; (3) The secondary diode is naturally turned off, eliminating The secondary side voltage spike reduces the turn-off loss. As a result, LLC resonant converters have outstanding advantages in terms of conversion efficiency and power density, and are therefore favored by many switching power supply industry personnel. At present, the DC-DC portion of the latest communication switching rectifier mostly uses the topology of the LLC resonant converter.
- the LLC resonant converter has the following problems: When operating at low voltage and light load, it does not fully realize soft switching, and its switching frequency is also high at this time, so the switching loss at this time is relatively large. When working under low voltage and light load conditions for a long time, the power tube will be damaged due to the temperature rise accumulated by the switching loss.
- the soft start of DC-DC if the load is small and the output voltage is very low at the beginning of operation, if the soft start time is long, that is, working under such conditions for a long time, it will be damaged due to the temperature rise accumulated by the switching loss. Power tube. Therefore, the speed at which the output voltage rises at the beginning of startup is required to be fast.
- the switching rectifier for communication also has a limit on the overshoot of the output voltage during startup. If the output voltage rises too fast during the soft start, the overshoot of the output voltage will exceed the allowable range.
- the soft-start strategy of the output voltage is shown in Figure 4: At the beginning of the start, during the ti time, the reference of the voltage loop in the voltage soft-start is from V. Rising to Vi, this time is relatively short; then in the period of ⁇ to h, the reference value of the voltage loop in the voltage soft start rises from the set value V ref of the monitoring unit, which is relatively long and does not cause the output voltage. There is an overshoot problem. In addition, there are limits to the starting surge current in soft start in the industry standard, so it is necessary to limit the output current during startup. Therefore, as shown in Figure 5, the current limit is I at the beginning of the soft start. After the time elapses, the current limit point becomes the current limit point I ref issued by the monitoring unit. In this way, the strategy of starting the soft-start is also limited.
- the value of ⁇ and can be determined by the external environment parameter and the power supply characteristic parameter of the power supply object, or may be a predetermined value.
- I. For a specific value in the power supply circuit, the initial voltage value and the initial current value of the different power supplies may be slightly different, but may be determined by the power supply characteristics.
- I ref is determined by external environmental parameters and power supply characteristic parameters of the power supply object, and of course, the value may also be a predetermined value.
- the communication power system is generally equipped with an oil machine power generation equipment in the outdoor base station, and the oil machine of different power levels is used according to the load condition.
- an oil machine power generation equipment in the outdoor base station, and the oil machine of different power levels is used according to the load condition.
- a three-phase 10KW oil machine is often used.
- the problem with this type of oil machine is that when its three-phase load is unbalanced, the one-phase or two-phase AC input voltage with less load is made high, and the rectifier that supplies it triggers protection due to input overvoltage. Therefore, the three-phase oil machine is required to balance the load between its three phases. This requires that the rectifiers carried between the three phases be load balanced.
- the three-phase oil machine only has a three-phase unloading imbalance exceeding a certain range, the AC input voltage of a certain phase exceeds the input overvoltage protection threshold of the rectifier. Therefore, you can limit this by not restricting the soft-start strategy.
- the current soft start of the DC-DC portion of the rectifier is limited.
- the slope of the current soft start the deviation of the load power of each phase of the three-phase oil machine is limited to not exceed the allowable range.
- the value of ⁇ and can be determined by the external environment parameter and the power supply characteristic parameter of the power supply object, or may be a predetermined value.
- I. For a specific value in the power supply circuit, the initial voltage value and the initial current value of the different power supplies may be slightly different, but may be determined by the power supply characteristics.
- I ref is determined by the external environmental parameters and the power supply characteristic parameters of the power supply object, and of course, it may also be a predetermined value.
- t 2 and b may be determined by external environmental parameters and power supply characteristic parameters of the power supply object, or may be predetermined values.
- the switching rectifier can work normally under low temperature conditions, or after a period of low temperature storage, it can be started directly with full load. For example, some customers require the rectifier to be fully loaded under the condition of minus 40 degrees. . However, some devices in a switching rectifier have a sharp drop in performance at low temperatures, which can cause the switching rectifier to fail to fully load with normal startup. Usually the performance will trigger some protection actions inside the rectifier, causing the soft start to fail.
- the soft start strategy can be modified to achieve the purpose of the switch rectifier with full load to successfully complete the soft start.
- the switch rectifier can change the soft start strategy according to the different ambient temperature, and smoothly complete the soft start with full load without guaranteeing some protection actions inside the rectifier.
- the current limit is fixed at I at the beginning. And keep the ti time constant; during the time from ti to t 2 , the current limit point is from I. Linear rise to L; From t.
- the current soft-start strategy to t 2 is the same as in the second embodiment; the time when the current reference rises from L to I ref is no longer fixed, but the slope of the change with temperature, ie t 2 to b The time will vary with the ambient temperature of the rectifier; of course, this requires a temperature sensor that can detect the ambient temperature at which the rectifier is operating.
- the embodiment of the invention also describes a rectifier comprising the power start control device as described above.
- the power-on control method and apparatus in the embodiments of the present invention may be implemented by a digital signal processor (DSP), but may also be implemented by other means.
- DSP digital signal processor
- the voltage loop and the current loop compensation network are realized by the analog circuit; and the analog circuit can also be used for implementation. No longer here - repeat.
- the embodiment of the present invention further describes a storage medium in which a computer program is stored, the computer program being configured to execute the soft start control method of the switching rectifier of the foregoing embodiment.
- modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
- the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module.
- the invention is not limited to any specific combination of hardware and software.
- the invention can provide a suitable voltage and/or current starting mode according to the power supply requirement of the power supply object and its working environment, so that the switching rectifier can perform itself according to the voltage and/or current requirements of the power supply device and external environmental factors. Start with load.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/901,928 US9960668B2 (en) | 2013-08-16 | 2014-06-06 | Method and device for controlling start of switching rectifier, and storage medium |
ES14787591T ES2850148T3 (es) | 2013-08-16 | 2014-06-06 | Método de control de arranque de rectificador de conmutación, y dispositivo y medio de almacenamiento del mismo |
RU2016107531A RU2633696C2 (ru) | 2013-08-16 | 2014-06-06 | Способ, устройство и носитель данных для управления пуском импульсного выпрямителя |
EP14787591.8A EP3010130B1 (en) | 2013-08-16 | 2014-06-06 | Switch rectifier startup control method, and device and storage medium thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310360219.8A CN104377949B (zh) | 2013-08-16 | 2013-08-16 | 开关整流器启动控制方法及其装置 |
CN201310360219.8 | 2013-08-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014173363A1 true WO2014173363A1 (zh) | 2014-10-30 |
Family
ID=51791092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/079388 WO2014173363A1 (zh) | 2013-08-16 | 2014-06-06 | 开关整流器启动控制方法及其装置、存储介质 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9960668B2 (zh) |
EP (1) | EP3010130B1 (zh) |
CN (1) | CN104377949B (zh) |
ES (1) | ES2850148T3 (zh) |
MY (1) | MY180830A (zh) |
RU (1) | RU2633696C2 (zh) |
WO (1) | WO2014173363A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106329904A (zh) * | 2015-06-15 | 2017-01-11 | 中兴通讯股份有限公司 | 一种电压变换电路的软启动控制方法及装置 |
CN108512426A (zh) * | 2017-02-27 | 2018-09-07 | 中兴通讯股份有限公司 | 开关电源控制方法、装置及开关电源控制器 |
CN109038505B (zh) * | 2018-07-16 | 2020-04-03 | 四川创宏电气有限公司 | 一种电源短路保护方法及逆变电源 |
CN109995245B (zh) * | 2019-04-29 | 2020-09-18 | 矽力杰半导体技术(杭州)有限公司 | 控制电路、控制方法和谐振变换器 |
CN110266054B (zh) * | 2019-07-30 | 2021-01-08 | 阳光电源股份有限公司 | 一种光储发电系统离网启动方法、光储发电设备及系统 |
CN116054551A (zh) * | 2021-12-31 | 2023-05-02 | 深圳市驰普科达科技有限公司 | 户外电源装置启动控制方法、控制器及户外电源装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201134749Y (zh) * | 2007-12-24 | 2008-10-15 | 赵启阳 | 开关电源节能装置 |
CN102624210A (zh) * | 2012-03-29 | 2012-08-01 | 上海交通大学 | 软启动电路 |
CN202565185U (zh) * | 2012-04-27 | 2012-11-28 | 江苏谷峰电力科技有限公司 | 单晶炉智能高频电源 |
CN103066864A (zh) * | 2011-10-24 | 2013-04-24 | 中兴通讯股份有限公司 | 通信电源系统及其应用方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3723078A1 (de) * | 1987-07-11 | 1989-01-19 | Philips Patentverwaltung | Verfahren zur erkennung von zusammenhaengend gesprochenen woertern |
RU2012989C1 (ru) * | 1991-12-02 | 1994-05-15 | Яшкин Виктор Иванович | Импульсно-модулированный преобразователь |
CN1859001B (zh) | 2006-03-01 | 2010-05-12 | 华为技术有限公司 | 一种直流电源缓启动电路 |
GB2449119B (en) * | 2007-05-11 | 2012-02-29 | Converteam Technology Ltd | Power converters |
CN201191806Y (zh) * | 2008-05-09 | 2009-02-04 | 华中科技大学 | 一种脉宽调制dc-dc开关电源的软启动电路 |
US8699246B2 (en) * | 2008-06-18 | 2014-04-15 | Optis Wireless Technology, Llc | Switch mode converter and a method of starting a switch mode converter |
CN101577481B (zh) | 2009-03-27 | 2012-06-27 | Bcd半导体制造有限公司 | 一种开关电源的零电流启动电路及方法 |
EP2299572A1 (de) | 2009-09-21 | 2011-03-23 | SMA Solar Technology AG | Aufstarten eines DC/DC-Wandlers mit Hochfrequenztransformator |
CN101741233B (zh) | 2009-11-16 | 2012-05-23 | 无锡芯朋微电子有限公司 | 一种数模转换控制的dc-dc开关电源软启动电路 |
JP5589827B2 (ja) * | 2010-12-24 | 2014-09-17 | サンケン電気株式会社 | 起動回路、スイッチング電源用ic及びスイッチング電源装置 |
US8582329B2 (en) * | 2011-01-10 | 2013-11-12 | Iwatt Inc. | Adaptively controlled soft start-up scheme for switching power converters |
US8929106B2 (en) * | 2011-05-20 | 2015-01-06 | General Electric Company | Monotonic pre-bias start-up of a DC-DC converter |
US9291683B2 (en) * | 2011-10-11 | 2016-03-22 | General Electric Company | Power module protection at start-up |
DE102011116807B4 (de) | 2011-10-25 | 2013-10-02 | Raiedah Ahmed M. Almohammadi | Medizinisches Schneidwerkzeug |
-
2013
- 2013-08-16 CN CN201310360219.8A patent/CN104377949B/zh active Active
-
2014
- 2014-06-06 MY MYPI2015704860A patent/MY180830A/en unknown
- 2014-06-06 ES ES14787591T patent/ES2850148T3/es active Active
- 2014-06-06 RU RU2016107531A patent/RU2633696C2/ru active
- 2014-06-06 WO PCT/CN2014/079388 patent/WO2014173363A1/zh active Application Filing
- 2014-06-06 US US14/901,928 patent/US9960668B2/en not_active Expired - Fee Related
- 2014-06-06 EP EP14787591.8A patent/EP3010130B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201134749Y (zh) * | 2007-12-24 | 2008-10-15 | 赵启阳 | 开关电源节能装置 |
CN103066864A (zh) * | 2011-10-24 | 2013-04-24 | 中兴通讯股份有限公司 | 通信电源系统及其应用方法 |
CN102624210A (zh) * | 2012-03-29 | 2012-08-01 | 上海交通大学 | 软启动电路 |
CN202565185U (zh) * | 2012-04-27 | 2012-11-28 | 江苏谷峰电力科技有限公司 | 单晶炉智能高频电源 |
Also Published As
Publication number | Publication date |
---|---|
EP3010130A1 (en) | 2016-04-20 |
RU2016107531A (ru) | 2017-09-22 |
MY180830A (en) | 2020-12-10 |
ES2850148T3 (es) | 2021-08-25 |
RU2633696C2 (ru) | 2017-10-17 |
US9960668B2 (en) | 2018-05-01 |
EP3010130B1 (en) | 2020-11-18 |
CN104377949B (zh) | 2019-11-12 |
US20160301324A1 (en) | 2016-10-13 |
CN104377949A (zh) | 2015-02-25 |
EP3010130A4 (en) | 2017-04-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2014173363A1 (zh) | 开关整流器启动控制方法及其装置、存储介质 | |
US9762113B2 (en) | Control circuit, control method and flyback converter | |
WO2017028500A1 (zh) | 一种提高开关电源动态响应的控制方法 | |
US9455623B2 (en) | Power factor correction circuit and method | |
US8711580B2 (en) | Resonant conversion system with over-current protection processes | |
TWI441426B (zh) | 在切換式電源供應器中在脈衝寬度調變及脈衝頻率調變之間轉換之系統、方法及裝置 | |
US10720829B1 (en) | Totem-pole bridgeless PFC conversion device and method of operating the same | |
EP2883302A1 (en) | Motor drive control using pulse-width modulation pulse skipping | |
US8472212B2 (en) | Resonant converting device, and control module and method for controlling a resonant converter | |
US20200220452A1 (en) | Enhanced power factor correction | |
TW201924198A (zh) | 具有降低交越失真之切換邊界模式交錯電力轉換器之數位控制 | |
JP2014064353A (ja) | スイッチング電源装置 | |
CN114303310A (zh) | 多相转换器控制系统和用于交错多相转换器的方法 | |
EP2251966B1 (en) | DC-DC converter with discontinuous and continuous conduction modes | |
TW201250416A (en) | Pulse width modulation power converter and control method | |
CN112019035B (zh) | 功率因数校正系统及方法 | |
Jakobsen et al. | Interleaved buck converter with variable number of active phases and a predictive current sharing scheme | |
CN108780123B (zh) | 一种负载检测方法、负载检测电路及电子设备 | |
CN213027812U (zh) | 一种交错式功率因数校正电路控制系统 | |
Liao et al. | Control and Modeling of Boost PFC for the 47~ 800Hz universal grids | |
CN113364264A (zh) | Pfc拓扑电路及其控制方法 | |
Nam et al. | Design and implementation of digital controlled boost PFC converter under boundary conduction mode | |
KR20170050014A (ko) | 역률 보상 장치 및 이의 동작 방법 | |
CN114710043B (zh) | 双向谐振变换器及其控制方法、装置、电源设备 | |
KR101918300B1 (ko) | Dc-dc컨버터의 전류제한 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14787591 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14901928 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014787591 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2016107531 Country of ref document: RU Kind code of ref document: A |