公开(公告)号：US20150070956A1

公开(公告)日：2015-03-12

申请号：US14472395

申请日：2014-08-29

Applicant: FSP-Powerland Technology Inc. ,  FSP TECHNOLOGY INC.

Inventor： Jian-Guo Mu ,  Chuan-Yun Wang ,  Ming Xu

IPC: H02M7/5387 ,  H02M3/335

CPC classification number: H02M7/53871 ,  H02M3/3376 ,  H02M7/4826 ,  H02M2001/0058 ,  H02M2001/007 ,  Y02B70/1433 ,  Y02B70/1441 ,  Y02B70/1491

Abstract: An inverter and a direct current (DC) bus voltage regulating method thereof are provided. The inverter includes a resonant conversion circuit, an inverting circuit, a first control circuit and a second control circuit. The resonant conversion circuit receives a DC input voltage and converts the same into a DC bus voltage. The inverting circuit couples to the resonant conversion circuit, and configured to convert the DC bus voltage into an AC output voltage. The first control circuit is configured to control operations of the resonant conversion circuit, where the first control circuit calculates a best working voltage of the resonant conversion circuit based on the DC input voltage and a resonant frequency of the resonant conversion circuit. The second control circuit controls operations of the inverting circuit, where the second control circuit receives the best working voltage calculated by the first control circuit and regulates the DC bus voltage accordingly.

Abstract translation: 提供了一种逆变器及其直流（DC）母线电压调节方法。 逆变器包括谐振转换电路，反相电路，第一控制电路和第二控制电路。 谐振转换电路接收直流输入电压并将其转换为直流母线电压。 反相电路耦合到谐振转换电路，并被配置为将DC总线电压转换成AC输出电压。 第一控制电路被配置为控制谐振转换电路的操作，其中第一控制电路基于DC输入电压和谐振转换电路的谐振频率来计算谐振转换电路的最佳工作电压。 第二控制电路控制反相电路的操作，其中第二控制电路接收由第一控制电路计算的最佳工作电压，并相应地调节DC总线电压。

公开(公告)号：US20150049525A1

公开(公告)日：2015-02-19

申请号：US14331213

申请日：2014-07-14

Applicant: FSP-Powerland Technology Inc. ,  FSP TECHNOLOGY INC.

Inventor： Jian-Guo Mu ,  Feng Ji ,  Xiong Fang ,  Chuan-Yun Wang ,  Ming Xu

IPC: H02M7/5387

CPC classification number: H02M7/53871 ,  H02M3/33561 ,  H02M2001/0006 ,  H02M2001/007

Abstract: An inverter and a power supply method thereof and an application thereof are provided. The inverter includes a DC-DC conversion circuit, an inverting circuit and an auxiliary power circuit. The DC-DC conversion circuit converts a DC input voltage into a DC bus voltage. The inverting circuit is configured to convert the DC bus voltage into an AC output voltage. The auxiliary power circuit is enabled in response to the DC input voltage, and the auxiliary power circuit generates a first auxiliary power for enabling the DC-DC conversion circuit after being enabled. The DC-DC conversion circuit is enabled in response to the first auxiliary power, and the DC-DC conversion circuit generates a second auxiliary power for enabling the inverting circuit after being enabled, such that the inverting circuit is enabled in response to the second auxiliary power and generates the AC output voltage.

Abstract translation: 提供了一种逆变器及其电源方法及其应用。 逆变器包括DC-DC转换电路，反相电路和辅助电源电路。 DC-DC转换电路将DC输入电压转换为DC总线电压。 反相电路被配置为将DC总线电压转换成AC输出电压。 辅助电源电路响应于直流输入电压而使能，并且辅助电源电路产生第一辅助电源，用于使能DC-DC转换电路。 DC-DC转换电路响应于第一辅助电源而被使能，并且DC-DC转换电路产生第二辅助电源，以在使能之后使反相电路能够被使能，使得反相电路响应于第二辅助电源而被使能 电源并产生交流输出电压。

公开(公告)号：US09484838B2

公开(公告)日：2016-11-01

申请号：US14331213

申请日：2014-07-14

Applicant: FSP-Powerland Technology Inc. ,  FSP TECHNOLOGY INC.

Inventor： Jian-Guo Mu ,  Feng Ji ,  Xiong Fang ,  Chuan-Yun Wang ,  Ming Xu

IPC: H02M5/458 ,  H02M7/5387 ,  H02M3/335 ,  H02M1/00

CPC classification number: H02M7/53871 ,  H02M3/33561 ,  H02M2001/0006 ,  H02M2001/007

Abstract: An inverter and a power supply method thereof and an application thereof are provided. The inverter includes a DC-DC conversion circuit, an inverting circuit and an auxiliary power circuit. The DC-DC conversion circuit converts a DC input voltage into a DC bus voltage. The inverting circuit is configured to convert the DC bus voltage into an AC output voltage. The auxiliary power circuit is enabled in response to the DC input voltage, and the auxiliary power circuit generates a first auxiliary power for enabling the DC-DC conversion circuit after being enabled. The DC-DC conversion circuit is enabled in response to the first auxiliary power, and the DC-DC conversion circuit generates a second auxiliary power for enabling the inverting circuit after being enabled, such that the inverting circuit is enabled in response to the second auxiliary power and generates the AC output voltage.

Abstract translation: 提供了一种逆变器及其电源方法及其应用。 逆变器包括DC-DC转换电路，反相电路和辅助电源电路。 DC-DC转换电路将DC输入电压转换为DC总线电压。 反相电路被配置为将DC总线电压转换成AC输出电压。 辅助电源电路响应于直流输入电压而使能，并且辅助电源电路产生第一辅助电源，用于使能DC-DC转换电路。 DC-DC转换电路响应于第一辅助电源而被使能，并且DC-DC转换电路产生第二辅助电源，以在使能之后使反相电路能够被使能，使得反相电路响应于第二辅助电源而被使能 电源并产生交流输出电压。

公开(公告)号：US09455622B2

公开(公告)日：2016-09-27

申请号：US14324086

申请日：2014-07-04

Applicant: FSP-Powerland Technology Inc. ,  FSP TECHNOLOGY INC.

Inventor： Chuan-Yun Wang ,  Ming Xu ,  Jian-Guo Mu

IPC: H02M1/32 ,  H02M7/5387 ,  H02M1/00

CPC classification number: H02M1/32 ,  H02M7/5387 ,  H02M2001/0009

Abstract: An inverter and an over current protection method thereof are provided. The inverter includes an inverting circuit, a filtering capacitor and an over current protection circuit. The inverting circuit is configured to convert a DC input voltage into an AC output voltage and provide the AC output voltage to a load. The filtering capacitor is coupled to the inverting circuit and the load in parallel. The over current protection circuit is coupled to the inverting circuit and the filtering capacitor and configured to provide an over current protection mechanism. The over current protection circuit detects an AC current on the filtering capacitor and determines whether to enable the over current protection mechanism according to the AC current in order to restrain the power conversion operation of the inverting circuit.

Abstract translation: 提供了一种逆变器及其过电流保护方法。 逆变器包括反相电路，滤波电容器和过流保护电路。 反相电路被配置为将DC输入电压转换为AC输出电压并将AC输出电压提供给负载。 滤波电容器并联耦合到反相电路和负载。 过电流保护电路耦合到反相电路和滤波电容器，并配置成提供过流保护机构。 过流保护电路检测滤波电容器上的交流电流，并根据交流电流确定是否使能过电流保护机构，以抑制反相电路的电力转换操作。

公开(公告)号：US09287803B2

公开(公告)日：2016-03-15

申请号：US14472395

申请日：2014-08-29

Applicant: FSP-Powerland Technology Inc. ,  FSP TECHNOLOGY INC.

Inventor： Jian-Guo Mu ,  Chuan-Yun Wang ,  Ming Xu

IPC: H02M7/5387 ,  H02M3/335 ,  H02M7/48 ,  H02M3/337 ,  H02M1/00

CPC classification number: H02M7/53871 ,  H02M3/3376 ,  H02M7/4826 ,  H02M2001/0058 ,  H02M2001/007 ,  Y02B70/1433 ,  Y02B70/1441 ,  Y02B70/1491

Abstract: An inverter and a direct current (DC) bus voltage regulating method thereof are provided. The inverter includes a resonant conversion circuit, an inverting circuit, a first control circuit and a second control circuit. The resonant conversion circuit receives a DC input voltage and converts the same into a DC bus voltage. The inverting circuit couples to the resonant conversion circuit, and configured to convert the DC bus voltage into an AC output voltage. The first control circuit is configured to control operations of the resonant conversion circuit, where the first control circuit calculates a best working voltage of the resonant conversion circuit based on the DC input voltage and a resonant frequency of the resonant conversion circuit. The second control circuit controls operations of the inverting circuit, where the second control circuit receives the best working voltage calculated by the first control circuit and regulates the DC bus voltage accordingly.

Abstract translation: 提供了一种逆变器及其直流（DC）母线电压调节方法。 逆变器包括谐振转换电路，反相电路，第一控制电路和第二控制电路。 谐振转换电路接收直流输入电压并将其转换为直流母线电压。 反相电路耦合到谐振转换电路，并被配置为将DC总线电压转换成AC输出电压。 第一控制电路被配置为控制谐振转换电路的操作，其中第一控制电路基于DC输入电压和谐振转换电路的谐振频率来计算谐振转换电路的最佳工作电压。 第二控制电路控制反相电路的操作，其中第二控制电路接收由第一控制电路计算的最佳工作电压，并相应地调节DC总线电压。

公开(公告)号：US20150036397A1

公开(公告)日：2015-02-05

申请号：US14324086

申请日：2014-07-04

Applicant: FSP-Powerland Technology Inc. ,  FSP TECHNOLOGY INC.

Inventor： Chuan-Yun Wang ,  Ming Xu ,  Jian-Guo Mu

IPC: H02M1/32

CPC classification number: H02M1/32 ,  H02M7/5387 ,  H02M2001/0009

Abstract: An inverter and an over current protection method thereof are provided. The inverter includes an inverting circuit, a filtering capacitor and an over current protection circuit. The inverting circuit is configured to convert a DC input voltage into an AC output voltage and provide the AC output voltage to a load. The filtering capacitor is coupled to the inverting circuit and the load in parallel. The over current protection circuit is coupled to the inverting circuit and the filtering capacitor and configured to provide an over current protection mechanism. The over current protection circuit detects an AC current on the filtering capacitor and determines whether to enable the over current protection mechanism according to the AC current in order to restrain the power conversion operation of the inverting circuit.

Abstract translation: 提供了一种逆变器及其过电流保护方法。 逆变器包括反相电路，滤波电容器和过流保护电路。 反相电路被配置为将DC输入电压转换为AC输出电压并将AC输出电压提供给负载。 滤波电容器并联耦合到反相电路和负载。 过电流保护电路耦合到反相电路和滤波电容器，并配置成提供过流保护机构。 过流保护电路检测滤波电容器上的交流电流，并根据交流电流确定是否使能过电流保护机构，以抑制反相电路的电力转换操作。