Delta Electronics Patente

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An immersion cooling system includes a tank, a first condenser, an enclosure, a second condenser and a connecting pipe. The tank has a first space. The first space is configured to accommodate a cooling liquid for at least one electronic equipment to immerse therein. The first condenser is disposed inside the tank. The enclosure is disposed outside the tank. The enclosure forms a second space together with the tank. The second condenser is disposed in the second space. The connecting pipe includes a first end and a second end opposite to the first end. The first end is connected with the second condenser. The second end is communicated with the first space.

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An immersion cooling system includes a cooling tank, a housing and a valve. The coolant tank is configured to accommodate a liquid coolant and an electronic device immersed in the liquid coolant. The housing covers a side of the cooling tank and thereby forms an enclosure. The valve has two ports, one of which communicates with the enclosure and the other communicates with a part of the cooling tank above the liquid coolant. The valve is configured to open in response to a gas pressure inside the cooling tank exceeding an upper limit.

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An energy storage system (1) and an operating method thereof are provided. The energy storage system (1) provides power regulation for the power grid (3). The energy storage system (1) includes an energy storage unit (11), a measurement unit (12) and a control unit (13). The measurement unit (12) measures the operating frequency of the power grid (3). The control unit (13) configures the energy storage system (1) to provide the power regulation in a first power regulation mode during a first period according to at least one of an operation target, the operating frequency of the power grid (3), and the state of charge of the energy storage unit (11). The control unit (13) compares an operation effect with the operation target and configures the energy storage system (1) to provide the power regulation in a second power regulation mode during a second period. The operation target includes at least one of a contracted regulation power amount and a contracted regulation time.

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A detection method for an air-conditioning system includes detecting whether the input power of the compressor of the air-conditioning system is lower than the power threshold. The method includes obtaining the evaporation saturation temperature of the evaporator of the air-conditioning system and obtaining the condensation saturation temperature of the condenser of the air-conditioning system when the input power is lower than the power threshold. When detecting that the evaporation saturation temperature is greater than the condensation saturation temperature, the method includes determining that an abnormal phase change is occurring and operating the compressor in the full-speed mode. The method includes detecting whether the compressor maintains in the full-speed mode for reaching a first predetermined time when the compressor operates in the full-speed mode, and determining that the refrigerant of the air-conditioning system is leaking if the compressor maintains in the full-speed mode for reaching the first predetermined time.

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A power supply device (100), including choke coils (CID1, CID2), voltage and current measurers (120a, 120b), a temperature sensor (130) and an operational circuit (140), wherein the voltage and current measurers (120a, 120b) are used for measuring a current (I1) flowing through the choke coils (CID1, CID2) and a voltage (V1) on a changeover switch; the temperature sensor (130) is used for measuring an initial temperature (T[0]) in an initial state; the operational circuit (140) is coupled to the voltage and current measurers (120a, 120b) and the temperature sensor (130); and the operational circuit (140) is used for: executing a power model (142), so as to calculate a first transient power (TP[1]) of the choke coils (CID1, CID2) on the basis of the initial temperature (T[0]), the voltage (V1) and the current (I1); and executing a thermal model (144), so as to calculate a first transient ideal temperature (TTI[1]) of the choke coils (CID1, CID2) on the basis of the first transient power (TP[1]). The present disclosure further relates to a temperature measurement method for the power supply device (100), and an electrical system (ES1, ES2).

A power supply apparatus (100), comprising a bus bar (BUS1), a circuit measurer (120), a temperature sensor (130) and an operation circuit (140). The bus bar (BUS1) is coupled to an inverter (110) and a motor (MOT1). The temperature sensor (130) is configured to measure an initial temperature in an initial state. The circuit measurer (120) is configured to measure a voltage (V1), a current (I1) and an alternating current frequency (F1) on the bus bar (BUS1). The operation circuit (140) is coupled to the circuit measurer (120) and the temperature sensor (130). The operation circuit (140) is configured to solve a resistance value signal (R1) on the basis of the alternating current frequency (F1), solve a first transient power of the bus bar (BUS 1) on the basis of the current (I1) and the resistance value signal (R1) on the bus bar (BUS1), solve a first temperature rise value of the bus bar (BUS1) on the basis of the first transient power; and add the initial temperature to the first temperature rise value so as to obtain a first transient ideal temperature of the bus bar (BUS 1). The present invention further relates to a temperature measurement method (400) for the bus bar (BUS1).

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An immersion cooling system is provided and includes a storage tank (110) comprising a sealing cover (111) and an accommodating tank (112), and the sealing cover is configured to seal an opening (1121) of the accommodating tank; an adapter frame (120) comprising a first wire channel (121), wherein the first wire channel is attached to one side of the adapter frame, and the adapter frame is disposed in the accommodating tank in a direction perpendicular to a bottom of the accommodating tank; and an electronic device (130) comprising at least one power wire (131), wherein the electronic device is inserted into the adapter frame along the direction, and one side of the electronic device is attached to one side of the first wire channel, wherein a distance is formed between a bottom of the electronic device and a bottom of the adapter frame to form a second wire channel (122), and the first wire channel and the second wire channel communicate with each other, The power wire is connected to the circuit of the external power apparatus along the first and second wire channels.

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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.

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