Delta Electronics (shanghai) Co., Ltd

Delta Electronics, Inc.

Henkel Ag & Company, Kgaa

Henkel IP Holding Gmbh

Innovative Cellular Therapeutics Holdings, Ltd.

Cheng Lu

Hong Tao Liu

Wenfei Hu

Hongyang Wu

Tao Xia

Baihui Song

Wen Ju Zhang

Hong-Yang Wu

Yong Tao

Hong Liu

Jia-Min Zhang

Zhuming Shi

Jian-Hong Zhou

Weiqiang Zhang

Ling Shi

Jie Kong

Wen Zhang

Jianping Ying

Feng Chen

Xiaoming Chen

Jian-Ping Ying

Chengfei Pu

Lei Xiao

Wei-Qiang Zhang

Jiangbo Ouyang

He Sun

Hao Peng

Dan Wang

Feng Yan

Yu Zhang

Xingkuan Guo

Xiaogang Shen

Feiqin Hao

Sanyuan Ouyang

Zhiguang Gao

Sheng-Hua Li

Jinqian Chen

Yuxin Han

Tao Ge

Jiamin Zhang

Jianhong Zhou

Zhi Guang Gao

The application discloses a resonant converter and a method for controlling the same. The resonant converter includes: a resonant tank, a first circuit electrically connected to a first end of the resonant tank, and a second circuit electrically connected to a second end of the resonant tank; the first circuit including at least one primary switch, the second circuit including at least one controllable switch, and controlling the at least one controllable switch according to a secondary initial switching frequency, such that the second circuit outputs power, adjusting a secondary switching frequency of the at least one controllable switch according to the secondary initial switching frequency and a signal reflecting the power of the second circuit, such that the secondary switching frequency of the second circuit follows a primary switching frequency of the first circuit.

Resonant converter and method for controlling the resonant converter

The application provides a cascade system distributed control method and device. The method including: taking an output of a closed-loop control for regulating an AC current of the power module as a reference value of a bridge arm voltage; according to the reference value of the bridge arm voltage to obtain an amplitude of the bridge arm voltage, taking the amplitude of the bridge arm voltage as a feedback signal, and after closed-loop control and regulation together with the AC current of the power module, adjusting the reference value of the bridge arm voltage; and controlling the bridge arm voltage according to the reference value of the bridge arm voltage, wherein in at least one working mode of the cascade system, a change of parameters reflecting an active current has a monotonic relation with a change of the amplitude of the bridge arm voltage.

Non-communication distributed control method and device for cascade system

The present disclosure discloses a resonant converter, and a controlling method thereof. The resonant converter includes a transformer including a primary winding and a secondary winding, a primary circuit electrically connected to the primary winding and receiving an input voltage, and a secondary circuit electrically connected to the secondary winding and outputting an output voltage. The secondary circuit includes a first secondary half-bridge including a first controllable switch and a second secondary half-bridge including a second controllable switch connected in parallel. The first and second controllable switches are arranged diagonally. The method includes: controlling a duty ratio of one of the first controllable switch and the second controllable switch in a first switching period to form a first short-circuited loop during a first interval during; and controlling a duty ratio of the other one in a second switching period to form a second short-circuited loop during a second interval.

Resonant converter, and controlling method for the same

This invention relates to a heat and humidity resistant adhesive composition, comprising a first part comprising at least one ethylenically unsaturated monomer; a second part comprising at least one initiator; and at least one blocked isocyanate compound comprised in the first part, the second part and/or a third separate part. The adhesive composition exhibits excellent aging performance under rigorous conditions.

Heat and humidity resistant adhesive composition

The disclosure discloses a method for estimating parameters of a resonant converter. The resonant converter has first, second port, and a resonant tank that includes an equivalent resonant capacitor and an equivalent resonant inductor, the method including: estimating a second voltage estimation value of the second port, an equivalent resonant capacitor estimation value, and/or an equivalent resonant inductor estimation value of the resonant converter according to a first voltage of the first port, an equivalent resonant capacitor voltage and an equivalent resonant inductor current of at least three effective points, wherein the points have different coordinates on a state plane of the equivalent resonant capacitor voltage and the equivalent resonant inductor current, and are on a state trajectory formed by the equivalent resonant capacitor voltage and the equivalent resonant inductor current, and the points are not central symmetric about a center of the state trajectory.

Method for estimating parameters of resonant converter, method for controlling resonant converter and resonant converter

This invention relates to a two-part adhesive composition, comprising a first part comprising at least one ethylenically unsaturated monomer, at least one non-polar styrenic block copolymer, and at least one curing promoter; and a second part comprising at least one initiator. The two-part adhesive composition exhibits excellent adhering strength to both metal substrate and plastic substrate.

Two-part adhesive composition

The present disclosure discloses a power conversion system and a communication method for transmitting common mode information in the power conversion system. The communication method comprises the following steps: (a) providing at least two power conversion cells; (b) generating, by each of the power conversion cells, an AC harmonic according to a first electrical signal at the first terminal of the power conversion cell, wherein an amplitude of each AC harmonic represents first information of the power conversion cell, and all the AC harmonics are at the same frequency; and (c) injecting the AC harmonic generated by the corresponding power conversion cells into the first terminal of the corresponding power conversion cell and applying a closed-loop suppression to the AC harmonic generated by the corresponding power conversion cell, and controlling the resonance control unit to output a second electrical signal related to the first information.

Power conversion system and communication method thereof

The present application provides a power supply apparatus, a three-phase power supply system and a control method, including N modules, where N is a positive integer greater than or equal to 2, and each module includes: a transformer, including a primary winding and a first secondary winding; and a first switch unit connected to the first secondary winding of the transformer, where primary windings of transformers of the N modules are connected in series, the first switch unit operates in one of a bypass mode, an open-circuit mode and a modulation mode, an output of each module is controlled by the first switch unit, so as to make the power supply apparatus provide voltages of different amplitudes according to power demand, and transformers with large volume and heavy weight, such as a centralized line frequency transformer or a multiple-winding transformer, are no longer required.

Power supply apparatus, three-phase power supply system and control method

A power conversion system includes N power converters. Each power converter includes an input terminal, a first output terminal and a second output terminal. Each of the N power converters receives a DC power through the input terminal. The first output terminal of a first power converter and the second output terminal of an N-th power converter are connected in parallel to form an N-th total output terminal. The first output terminal of an i-th power converter and the second output terminal of an (i−1)-th power converter are connected in parallel to form an (i−1)-th total output terminal. The two input terminals of the load are connected with two total output terminals of N total output terminals. A (2k−1)-th power converter is connected with a first power source. A 2k-th power converter is connected with a second power source. The redundancy of the power conversion system can be achieved.

Power conversion system with N power converters

A method for controlling a distributed power conversion system comprises: configuring N control units for controlling N power modules of the system respectively, wherein each of the control units is configured to execute: step S, generating a first variable Qreflecting respective module serial numbers R according to a coordination variable; step S, generating a second variable Qreflecting the optimal operating number M of the modules; and step S, comparing the first variable Qand the second variable Q, wherein, when the first variable Qis greater than the second variable Q, the corresponding power module stops; and when the first variable Qis less than or equal to the second variable Q, the corresponding power module runs.

Device and method for controlling distributed power conversion system

A method for controlling a power module includes: configuring N cells in cascade connection, where N is a positive integer equal to or greater than 2, each cell comprising a bidirectional switching unit and a non-controlled rectifier bridge, the bidirectional switching unit being connected to central points of two bridge arms of the non-controlled rectifier bridge; controlling each cell to operate in one of three operating modes of a modulation mode, a bypass mode and a non-controlled rectifying mode, wherein in the N cells, m1 cells operate in the bypass mode, where 0≤m1≤M1, m2 cells operate in the non-controlled rectifying mode, where 0≤m2≤M2, m3 cells operate in the modulation mode and can realize power factor correction, where 0<m3; wherein m1+m2+m3=N, M1 is the allowable number of cells for bypass in the system, and M2 is the allowable number of cells for non-controlled rectification in the system.

Power module and method for controlling the same, three-phase power system and method for controlling the same

A power module includes N inverter units outputting N AC voltages and being coupled to N high-frequency AC terminals, wherein the N high-frequency AC terminals are cascaded and connected to a post-stage rectifier circuit. A phase-shift control method for the power module includes: setting at least two phase-shift sequences, wherein phase sequence numbers of the N AC voltages of the N inverter units are different in the at least two phase-shift sequences; in one switching period, controlling the N AC voltages of the N inverter units to shift a first angle according to a first phase-shift sequence of the at least two phase-shift sequences; and in another switching period, controlling the N AC voltages of the N inverter units to shift the first angle according to a second phase-shift sequence of the at least two phase-shift sequences.

Phase-shift control method for power module, three-phase power module, and power system

Embodiments of the present disclosure provide a power conversion system and a control method. The power conversion system includes multiple power modules, and each power module includes a first port, a second port, and a third port, where the first port of each power module is connected to an external device, second ports of the power modules are independent of each other and used as independent ports to output power, third ports of the power modules are connected in parallel to form a power bus and power flow of the third port of each power module is bidirectional.

Power conversion system and control method

The application provides a dispersed carrier phase-shifting method and system. The method includes connecting at least two power modules to form a modular system; each power module including a control module for sampling at least twice a common state variate, signs of slopes of the common state variate at a first and second sampling time are opposite, and a reference time of the first sampling time for each control module is the same; and regulating a carrier frequency of the power module according to a relative size between a sampled values at the first and second sampling time. According to embodiments herein, carrier phase-shifting of modular system may be implemented without communication between respective modules. Under closed-loop control, optimal carrier phase-shifting can be automatically achieved under various duty ratios, thereby having good stability.

Dispersed carrier phase-shifting method and system

Embodiments relate to compositions and methods for treating solid tumors. For example, the compositions comprise modified cells comprising an isolated polynucleotide comprising a polynucleotide encoding a nuclear factor of activated T cells (NFAT) promoter operatively associated with a polynucleotide encoding FLT3L.

Activation of APC in immunotherapy

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Shanghai, China

Cheng Lu