10results about How to "Improve power reliability" patented technology

The invention relates to the technical field of power distribution monitoring, in particular to an intelligent monitoring method, system and device for the state of a generator circuit breaker, a monitoring module obtains the temperature of a generator, obtains electric power parameters and obtains current and voltage phase diagrams, and a compensation module comprises a capacitor and an electric reactor. The regulation and control module comprises a state monitoring unit and a control unit, the state monitoring unit calculates generator operation state characterization parameters and divides generator operation state categories, and the control unit selects an analysis mode and identifies a characteristic time domain segment and a non-characteristic time domain segment according to a phase difference fluctuation value of current and voltage; judging whether to start a compensation module or not according to the phase difference between the current and the voltage, acquiring surrounding environment parameters of the generator, including air temperature and air humidity, and judging whether the generator environment is abnormal or not, or acquiring electric power parameters to draw an electric power parameter trend chart, and identifying an ascending section and a fluctuation section of the electric power parameter trend chart; according to the invention, the monitoring reliability of the circuit breaker can be improved.

The invention provides a battery cell and electric equipment, the battery cell comprises an electrode assembly, the electrode assembly comprises a first pole piece, the first pole piece comprises a first current collector, a first active material layer and an insulating layer, at least one first surface of the first current collector is provided with the first active material layer and the insulating layer along the thickness direction of the first current collector, and the first active material layer and the insulating layer are arranged on the second surface of the first current collector. One part of the first active material layer and one part of the insulating layer are overlapped to form an overlapping region, and the insulating layer is located between the first current collector and the first active material layer in the overlapping region; in the width direction of the first pole piece, the first active material layer comprises a first region which is not overlapped with the insulating layer and is positioned on the first surface, and the insulating layer comprises a second region which is not overlapped with the first active material layer and is positioned on the first surface, so that the connection stability of the insulating layer on the first current collector can be improved; the first active material layer does not have an area covered by the insulating layer, and the first active material layer can exert the capacity, so that the cell has relatively high energy density.

A power storage device includes a first electrode having a first current collector, a second electrode having a second current collector, and a separator interposed between the first electrode and the second electrode. The first electrode, the second electrode, and the separator constitute a wound body having a columnar shape. The power storage device further includes a case having a cylindrical bottomed shape for accommodating the wound body, and a current collection plate electrically connected to the first electrode and the case. The first electrode has an overlapping region overlapping the current collection plate when viewed from a case axial direction and a non-overlapping region not overlapping the current collection plate when viewed from the axial direction. The first electrode and the current collection plate are electrically connected to each other in the overlapping region. The first current collector is provided in at least a part of the non-overlapping region, and has a contact part in contact with the case bottom.

The invention discloses a wind-light-electricity coordinated scheduling method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a load demand predicted quantity of a current power consumption unit when a scheduling opportunity is reached; determining a target scheduling strategy of wind-light-electricity scheduling according to the load demand prediction quantity of the power consumption unit, a preset wind-light-electricity coordination model and constraint conditions; performing wind, light and electricity scheduling according to scheduling parameters included in the target scheduling strategy; wherein the scheduling parameters comprise one or more of the following items: the output of the self-generating unit, the purchased electric quantity and the sold electric quantity; the self-generating unit comprises a wind power generation unit and / or a photovoltaic power generation unit; an objective function included in the wind-light-electricity coordination model is a first weighted sum of one or more of the following sub-objective functions: a lowest energy consumption sub-objective function, a lowest economic cost sub-objective function and a self-generation waste rate sub-objective function.

The application discloses a limiting side plate for fixing an outgoing pole to a battery monomer, a battery module, a battery pack and a power utilization device. The limiting side plate comprises a plate body, a battery clamping part, an outgoing pole limiting groove and an outgoing pole fixing part. The battery clamping part is arranged on one side of the plate body facing the battery monomer and is used for clamping the limiting side plate to the battery monomer. The outgoing pole limiting groove is arranged on the other side of the plate body facing away from the battery monomer, the width of the outgoing pole limiting groove is the same as the thickness of a folded part of the outgoing pole, and the folded part of the outgoing pole is located in the outgoing pole limiting groove. The outgoing pole fixing part penetrates through the plate body and is used for fixing the outgoing pole to the battery monomer. By adopting the above design, the rotation of the outgoing pole can be limited without arranging a module end, and the flow area of the outgoing pole is not affected and limited.

The application provides a battery monomer, a battery device and a power utilization device. The battery monomer comprises a shell and an electrode assembly; the shell comprises a mounting wall provided with an electrode terminal; the electrode assembly is accommodated in the shell and comprises a main body and a tab, the tab being connected to one end of the main body facing the mounting wall in a first direction; the mounting wall has a first inner surface facing the electrode assembly, the first inner surface is formed with a recess, the recess extends to at least one edge of the first inner surface, and at least part of the tab is accommodated in the recess. The space inside the shell can be fully utilized, the volume of the battery monomer is reduced, the energy density of the battery monomer is improved, the space of the recess is larger, the tab can be accommodated in the recess to a larger extent or a tab with a larger size can be accommodated in the recess, the tab occupies less space outside the recess inside the shell, and the energy density of the battery monomer is further improved.

The utility model discloses a water valve box assembly and an air conditioner outdoor unit with the same, the water valve box assembly is used for the air conditioner outdoor unit and comprises a water valve box and a valve assembly, and the water valve box is suitable for being arranged in a shell of the air conditioner outdoor unit and is provided with a containing space; the valve assembly is arranged in the containing space. According to the water valve box assembly, the water valve box is arranged in the shell of the air conditioner outdoor unit, the valve assembly is arranged in the containing space of the water valve box, the water valve box can limit the valve assembly in the containing space, a module of the whole water valve box assembly is formed, and modularization of waterway components of the air conditioner outdoor unit is achieved. And the water valve box can effectively prevent water in the water path from splashing to the outside of the water valve box assembly when the valve assembly fails, so that the water can be prevented from splashing to circuit components, faults such as short circuit of the air conditioner outdoor unit can be avoided, and the power utilization reliability of the air conditioner outdoor unit is improved.

The application provides a battery device and an electric device. The battery device comprises a battery cell, a box body and a temperature detection assembly. The battery cell has a pressure relief component for relieving the pressure inside the battery cell. The battery cell is accommodated in the box body. The box body has an exhaust passage for guiding the substances discharged from the pressure relief component to the outside of the box body. The temperature detection assembly comprises a protective shell and a temperature detection piece. The temperature detection piece is used for detecting the temperature in the exhaust passage. The protective shell is installed on the passage wall of the exhaust passage. At least part of the protective shell is located in the exhaust passage. At least part of the temperature detection piece is located in the exhaust passage. The temperature detection piece is accommodated in the accommodation cavity of the protective shell, so that the risk of damage of the temperature detection piece can be reduced. The protective shell is installed on the passage wall of the exhaust passage, so that the stability of the temperature detection assembly can be improved, and the ability of the temperature detection assembly to resist external impact can be improved.

The utility model discloses a high-voltage column type insulator cable protection device, and relates to the technical field of cable protection devices, the high-voltage column type insulator cable protection device comprises an insulator body, the top of the insulator body is fixedly provided with a porcelain bottle, and the porcelain bottle is provided with a placing groove for cable installation. Under the cooperation effect of the arc-shaped frames and the like, the two clamping plates are arranged on the porcelain bottle in a sleeving mode, then the insertion rods are inserted into the insertion holes, and the two nuts are rotationally installed on the insertion rods, so that fixed installation of the two clamping plates can be completed, and at the moment, a cable can be installed and fixed through the two arc-shaped frames; when the cable is damaged, the cable is easy to replace and more convenient to install and operate, damage to the cable is small, the outside of the cable is scratched due to breakage of an iron wire in the prior art, however, half of the cable is supported to wait for maintenance of a master when the cable is damaged in the prior art, maintenance cost is greatly saved, and the cable is convenient to install and operate. And the maintenance efficiency is improved.