15results about How to "Stable output power" patented technology

The utility model relates to permanent magnet motor technical field, concretely relates to a kind of permanent magnet motor suitable for oilfield pumping equipment, including speed reducer, the input end of speed reducer is fixedly connected with input shaft, the outside of one end of input shaft is fixedly connected with shaft sleeve, the outer wall of shaft sleeve is fixedly connected with rotor iron core, the outer wall of rotor iron core is fixedly connected with multiple equidistance evenly distributed permanent magnet, the outer wall of speed reducer near input shaft is fixedly connected with mounting flange, the side wall of mounting flange is provided with front end cover, and the side wall of front end cover is provided with machine shell.Compared with prior art, after the structure design of increasing air gap is used, even if slight axial displacement or radial swing occurs in the running process of rotor iron core, the interference between permanent magnet and stator iron core can be effectively avoided, and the reliability and adaptability of motor under high impact, high vibration working condition are improved.

The utility model relates to wind power generation technical field discloses wind power generation device, including support subassembly, wind wheel subassembly and power generation subassembly, wind wheel subassembly includes main shaft and impeller, and the main shaft fixed mounting is in support subassembly, and the impeller rotatablely installs on the main shaft, power generation subassembly includes first power generation unit and second power generation unit, and the stator of first power generation unit and second power generation unit all fixed mounting is in main shaft, and the outer rotor of first power generation unit and second power generation unit all are connected with the impeller fixedly, the utility model under the same wind force condition, first power generation unit and second power generation unit can work simultaneously, and the mechanical energy of impeller capture is more efficient, more fully converts into electric energy, effectively increases the overall power generation, improves the wind energy utilization efficiency and power generation efficiency, solves when the outside wind speed is at the low level, and the overall power generation of generator is insufficient.

The present application relates to the field of gas turbine, in particular to a gas turbine combustion chamber gas-liquid dual fuel mixed combustion test system and working method thereof, comprising: a combustion cavity unit, a combustion state monitoring unit, a liquid fuel supply unit, a gas fuel supply unit, a main air supply unit and a central control unit; the combustion cavity unit comprises a test shell, a flame tube, a dual fuel nozzle and an igniter, the flame tube is installed in the inner cavity of the test shell and is fixed by the head and tail support. The present application sets up a test system by setting a dual fuel nozzle and a flame tube in a unique test shell, and configuring an igniter, a pressure pulsation sensor and other structures, combined with a central control computer to ensure that the combustion chamber outlet temperature remains unchanged, through precise control of the gas fuel and liquid fuel flow, the dual fuel mixed combustion characteristic curve under each working condition is automatically obtained.

The application provides a kind of self-adaptive temperature control system and method of pump laser for guaranteeing output power stability, and relates to the technical field of laser temperature control.The method comprises the following steps:step S1: calculating the current temperature difference and the real-time change rate of pump laser output optical power;step S2: judging whether the current temperature difference exceeds the temperature difference threshold;step S3: confirming whether the real-time change rate of the current pump laser output optical power exceeds the output optical power change rate threshold;step S4: if the real-time change rate of the current pump laser output optical power exceeds the output optical power change rate threshold, the current temperature control target is issued to the temperature control execution module and the temperature control is started;step S5: repeating the above steps S1 to S4.The system comprises a processor, a detection module and a temperature control execution module.Based on this, the application solves the problem that the existing TEC temperature control system and method cannot adapt to environmental temperature changes, thereby making it difficult to effectively guarantee the stability of pump laser output power.

The application discloses an exhaust gas pressure stabilizing device, which is used for connecting to an exhaust port of a special diesel engine and comprises a body and a volume adjusting mechanism. The body is provided with a tail gas inlet for receiving tail gas from the exhaust port and a tail gas outlet for discharging the tail gas, and the body has a buffer cavity inside for buffering the pressure of the tail gas; the volume adjusting mechanism is connected with the body and is configured to adjust the volume of the buffer cavity. Thus, the buffer cavity provided on the body can receive and temporarily store the tail gas from the special diesel engine, can discharge the tail gas after stabilizing the pressure of the tail gas, can reduce the influence of the external environment on the special diesel engine, and can make the special diesel engine output stable power. In addition, the volume adjusting mechanism can adjust the volume of the buffer cavity according to different tail gas discharge amounts of the special diesel engine, so that the exhaust gas pressure stabilizing device can adapt to diesel engines of various different models.

The application provides a control method of an inertia adaptive based distributed energy system grid-connected inverter, and relates to the technical field of control of grid-connected inverters in distributed energy systems. The method comprises the following steps: collecting output voltage and output power of a virtual synchronous generator (VSG) in a distributed information energy system, and establishing a VSG model of a cascaded micro-grid in the distributed information energy system according to the collected data; determining a control strategy by using a distributed learning algorithm, and performing phase-locked loop control on the phase of the angular frequency of the VSG according to the control strategy, so as to obtain the load demand of the active power and the reactive power of the VSG; designing an adaptive virtual inertia control law according to the change process of the real-time angular frequency of the VSG, establishing an adaptive virtual inertia model of the VSG and designing a deviation term, so as to obtain an adaptive virtual inertia strategy. According to the method, the power grid state and the actual situation of the distributed information energy system are dynamically responded to the strategy, and the stability and response capability of the grid-connected inverter are improved.

The application discloses a kind of fast regulation pulse output power's fiber laser device and laser radar, fiber laser device includes seed light source, wave division multiplexer, amplifier, demultiplexer, fiber optic splitter, power monitoring circuit, signal processing circuit, laser main control circuit and seed drive, laser main control circuit is connected with seed drive and signal processing circuit, seed drive is connected with seed light source, power monitoring circuit is connected with fiber optic splitter and signal processing circuit.The signal light generated by the first seed light source and the second seed light source in the application is first passed through the wave division multiplexer and then sequentially enters the multi-stage fiber amplifier and the demultiplexer, and then is divided into two output lights, one of which is passed through the fiber optic splitter to enter the power monitoring circuit to achieve the purpose of monitoring the main output power, and then the main output power is adjusted according to the size of the main output power to ensure the stability of the main output power of the laser, and the cost is controllable.

The utility model provides a hydraulic power compressed air energy storage power adjusting device system, a water flow adjusting device in the power adjusting device system comprises an air storage container and a water storage container, an air compression device pipeline is connected with the air storage container, and the air storage container is communicated with the water storage container through an air expansion pipe network and an energy storage air delivery pipe network respectively. The water storage container is connected with the water storage tank through an energy storage water injection pipe network, and an adjusting pump assembly is arranged on the energy storage water injection pipe network. The inlet end of the hydroelectric generation device is connected with the water storage container through the energy releasing water conveying pipe network, the outlet end of the hydroelectric generation device is connected with the water storage tank, and the frequency conversion rectifying device is electrically connected with the hydroelectric generation device. The water outlet pressure and flow of the water storage container are controlled by adjusting the pressure of compressed air, the rotating speed, the output power and the like of hydraulic equipment are stably adjusted by combining the hydraulic power generation device and adjusting the water inlet quantity, the variable-frequency rectifying device is connected, the current of an output power supply is adjusted, the power is kept stable, and the quality of the power supply is improved.

The application provides an engine cooling system, a control method thereof and a vehicle. The engine cooling system comprises a cylinder, a first water inlet pipe, a first water outlet pipe and a second water outlet pipe. The cylinder comprises a cylinder body. An inlet of the first water inlet pipe is used for receiving cooling liquid for cooling the cylinder body. An outlet of the first water inlet pipe is connected to the cylinder body. The first water outlet pipe is arranged at an upper half of the cylinder body. The second water outlet pipe is arranged at a lower half of the cylinder body. The first water inlet pipe is in communication with the first water outlet pipe and the second water outlet pipe, and the communication position is located at the cylinder body. The technical scheme can reduce the non-uniform thermal deformation of the cylinder body, reduce air leakage, and ensure the stable output power of the engine.

The present invention provides an uninterruptible power supply comprising: an input configured to be electrically connectable to an AC power supply; an output configured to be electrically connectable to a load; the main branch comprises a rectifier module and an inverter module which are electrically connected between the input end and the output end in sequence; the storage battery branch comprises a power conversion module and a storage battery, and the storage battery branch is configured to be electrically connected to a node between the rectification module and the inversion module; wherein the power conversion module is configured to be capable of bidirectionally transmitting and converting direct current, and comprises the following working modes: a charging mode, in which the power conversion module is configured to enable the alternating current power supply to charge the storage battery under the condition that the increment of the load capacity of the load is lower than a preset threshold value; and in the power supply mode, under the condition that the increment of the load capacity of the load is greater than or equal to the preset threshold value, the power conversion module is configured to convert the direct current output by the storage battery, so that the alternating current power supply cooperatively supplies power to the load.

The application discloses a high-power magnetron cathode working temperature detection and real-time control device, and relates to the technical field of magnetron temperature detection.The technical points of the application include a composite detection module, an intelligent control module, an execution adjustment module, an anti-interference module and an environment adaptation module.The composite detection module is used for collecting magnetron cathode working temperature signals and pre-processing.The intelligent control module is used for receiving temperature signals and outputting control instructions.The execution adjustment module is used for adjusting the cathode temperature according to the control instructions.The anti-interference module is used for inhibiting electromagnetic interference.The environment adaptation module is used for collecting working condition parameters and feeding back to the intelligent control module.The technical effect is that the application solves the problems of large detection error and unstable signals of the existing device in a high-power high-frequency environment, ensures the accuracy and reliability of temperature detection, realizes real-time and accurate control of the cathode temperature, and ensures the stability of the magnetron output power and frequency.

The application relates to the technical field of single-capacitance coupling wireless power transmission (SCC-WPT), and particularly discloses a laminated double-load SCC-WPT system with constant output and load-independent characteristics. The coupling mechanism of the system adopts a laminated triode plate structure (a transmitting plate P1, a first laminated receiving plate and a second laminated receiving plate). The system has two receiving ends, and two loads are charged or powered by the two receiving ends respectively. One receiving end adopts an LCLC-S compensation structure to realize constant voltage (CV) output, and the other receiving end adopts an LCLC-M topological structure to realize constant current (CC) output. When one of the receiving ends is removed from the transmitting plate or is moved into the transmitting plate, the output characteristics of the other receiving end are not affected. Meanwhile, stable output power can be obtained at any position in the transmitting plate by the two receiving ends, and flexible power supply in a two-dimensional plane of a mobile device can be realized.

The invention provides a dynamic wireless power supply system with adaptive power fluctuation suppression, and relates to the technical field of wireless power transmission. The system comprises a power transmitting end and a power receiving end, in the power transmitting end, a direct-current power supply is connected to the transmitting end of the magnetic coupling structure through a high-frequency inverter and a transmitting end compensation network; in the power receiving end, the receiving end of the magnetic coupling structure is connected to a load through a receiving end compensation network, an uncontrolled rectifier and a self-adaptive power regulation unit; and the self-adaptive power regulation unit regulates the output power to realize power fluctuation suppression. According to the system, wireless charging with relatively low power loss, relatively low control complexity, relatively high transmission efficiency and stability can be realized; and the method is suitable for different application scenes and has relatively high compatibility and operability.

The embodiment of the application discloses a driving device and electronic product, the driving device includes base, driving part and transmission mechanism, the base is provided with positioning hole; the end of the driving part is provided with annular convex edge embedded in the positioning hole; the transmission mechanism includes input gear, output gear and transmission gear assembly, the input gear is connected with the driving shaft of the driving part, the transmission gear assembly is rotationally arranged on the base and is in meshing connection with the input gear and the output gear, and the output gear is used for power output. The base can ensure the center distance between the transmission gear assembly and the input gear, the gears of the input gear and the transmission gear assembly can be accurately in meshing connection, therefore, the input gear can stably drive the transmission gear assembly to rotate when rotating, so that it is ensured that the driving device can stably output power outward.

This application provides a control method and system for an energy storage device. The control method includes: acquiring the maximum charging power and maximum discharging power of each energy storage unit; determining the maximum charging power of the energy storage device based on the maximum charging power of each energy storage unit, and determining the maximum discharging power of the energy storage device based on the maximum discharging power of each energy storage unit; controlling the non-faulty energy storage units in the energy storage device to operate at their maximum charging and discharging power, or controlling the energy storage device to stop operating, based on the maximum charging power, the maximum discharging power, the rated charging power, and the rated discharging power of the energy storage device. This application is used to manage and control a reconfigured lithium battery energy storage system, thereby stabilizing the power output of the lithium battery energy storage system.