WO2020206928A1 - Boost AC-DC恒压电源的数字控制方法 - Google Patents
Boost AC-DC恒压电源的数字控制方法 Download PDFInfo
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- WO2020206928A1 WO2020206928A1 PCT/CN2019/105175 CN2019105175W WO2020206928A1 WO 2020206928 A1 WO2020206928 A1 WO 2020206928A1 CN 2019105175 W CN2019105175 W CN 2019105175W WO 2020206928 A1 WO2020206928 A1 WO 2020206928A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/14—Arrangements for reducing ripples from dc input or output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/157—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0012—Control circuits using digital or numerical techniques
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
Description
Claims (8)
- Boost AC-DC恒压电源的数字控制方法,其特征在于,包括以下四个环节,预测环节:根据从主拓扑采集的当前开关周期的输入电压、电感电流、输出电压、输出电流以及主拓扑中的开关管在当前开关周期的占空比在数字离散域内预测得到下个开关周期的电感电流和输出电压,PI调节环节:根据当前开关周期和下个开关周期输出电压偏离给定值的差值调节下个开关周期的控制变量以使主拓扑的输出电压稳定在给定值,电流控制环节:根据下个开关周期的电感电流以及下个开关周期的控制变量确定主拓扑中的开关管在下个开关周期的占空比以使电感电流跟踪输入电压,三角波PWM生成环节:根据主拓扑中的开关管下个开关周期的占空比生成主拓扑中开关管在下个开关周期的导通信号。
- 根据权利要求1所述BoostAC-DC恒压电源的数字控制方法,其特征在于,PI调节环节采用递推关系:u(k)=u(k-1)+ae(k)-be(k-1)调节下个开关周期的控制变量,其中,u(k-1)、u(k)分别为第k-1个开关周期、第k个开关周期的控制变量,e(k-1)、e(k)分别为第k-1个开关周期、第k个开关周期的输出电压与输出电压参考值的差值,a=K P+K iT,b=K P,K P为比列系数,K i为积分系数,T为开关周期。
- 根据权利要求1所述BoostAC-DC恒压电源的数字控制方法,其特征在于,所述数字控制方法还包括软启动环节,在初始上电阶段的每个开关周期内比较当前开关周期的输出电压与给定值,在当前开关周期的输出电压小于给定值时输出软启动占空比控制信号至主拓扑中的开关管且软启动占空比控制信号每隔N个开关周期加1,而在当前开关周期的输出电压超过给定值时切换至恒压工作模式,主拓扑中开关管的导通信号受控于电流控制环节的输出量,N的取值大于采样电路正常工作的周期数。
- 根据权利要求1所述BoostAC-DC恒压电源的数字控制方法,其特征在于,预测环节根据从主拓扑采集的当前开关周期的输入电压、输出电压、输出电流以及当前开关周期电感 电流的平均值、主拓扑中的开关管在当前开关周期的占空比在数字离散域内预测得到下个开关周期的电感电流和输出电压。
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CN201910275926.4A CN109995231B (zh) | 2019-04-08 | 2019-04-08 | Boost AC-DC恒压电源的数字控制方法 |
CN201910275926.4 | 2019-04-08 |
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Cited By (1)
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CN114721494A (zh) * | 2022-06-07 | 2022-07-08 | 深圳市明珞锋科技有限责任公司 | 一种电源输出电数字数据处理方法 |
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CN109995231B (zh) * | 2019-04-08 | 2020-06-16 | 东南大学 | Boost AC-DC恒压电源的数字控制方法 |
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CN111740572B (zh) * | 2020-08-10 | 2021-01-08 | 深圳第三代半导体研究院 | 具有双环控制结构的峰值电流模式控制器和开关电源 |
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CN113541452B (zh) * | 2021-06-10 | 2023-01-13 | 南京理工大学 | 含耦合电感的功率因数校正电路的数字单周期控制器及方法 |
CN113410989B (zh) * | 2021-07-13 | 2022-10-04 | 上海艾为电子技术股份有限公司 | 数字升压电路及其控制方法、电子设备 |
CN114157145B (zh) * | 2021-11-30 | 2023-03-14 | 东南大学 | 一种dc-dc开关电源的电感电流预估方法 |
CN114448023B (zh) * | 2021-12-24 | 2022-10-25 | 致瞻科技(上海)有限公司 | 一种电能变换器控制系统及一种氢燃料电池系统 |
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