33results about How to "Adjust output in real time" patented technology

The invention discloses an intercommunication-free distributed direct-current energy storage system and a control method therefor. A current ratio is output according to a converter of an energy storage unit, virtual resistors with a state of charge of the energy storage unit and line impedance in charging and discharging conditions are designed separately, and load power dynamic distribution in the distributed direct-current energy storage system is realized without a communication system; and meanwhile a local voltage secondary controller is added, so that a voltage drop caused by a droop control method can meet a maximum voltage deviation requirement of the system. According to the distributed direct-current energy storage system and the control method, the present problems that the energy storage unit cannot dynamically distribute load power according to a current state of charge due to the fact that a control policy balances an output voltage of a distributed power supply by depending on the communication system and the influence of the line impedance on output current distribution precision of the energy storage unit is not considered can be comprehensively solved.

The invention provides an electric vehicle energy service station based on SOFC, which relates to the technical field of new energy application, and comprises a fuel supply sub-system for supplying natural gas, water and air to a power generating sub-system and supplying water to a hydrogen producing sub-system; a power generating sub-system, with a part being supplied to the hydrogen producing sub-system and the other part being supplied to a charging and hydrogen adding sub-system to charge the vehicle; the hydrogen producing sub-system, with one part being supplied to the power generating sub-system when necessary and the other part being supplied to the charging and hydrogen adding sub-system to add hydrogen to the vehicle; a control sub-system, including a central control module, which controls other sub-systems to execute corresponding operations through a bus; the charging and hydrogen adding sub-system, for providing a port for charging vehicle and adding hydrogen. The invention is advantageous in that in areas where land resources are tight, problems of selecting location for charging stations or hydrogen-adding stations and land utilization can be resolved; the energy comprehensive resolution for electrical vehicles is provided. The invention also discloses a running control method of the service station.

The invention discloses a device and method for detecting the dust removal performance of a cloth bag in a coal-fired power plant. The device comprises a temperature control system, a detection deviceand an intelligent control feedback system. Firstly, the first air pump and the second air pump which are provided with the frequency converters are arranged, stable pumping force can be provided, and output can be adjusted in real time. And secondly, a temperature control system is arranged, so that the flue gas temperature in the cloth bag dust collector device of the power plant can be simulated, and the detected result is closer to the actual result. And then a dust generating device, a static electricity removing premixing device and an optical concentration detection device are arranged, so that the accuracy of the dust concentration in the gas can be ensured. And finally, the compression air cylinder provides back-blowing rapping power for the device, so that the device can test the static dust removal efficiency and the dynamic dust removal efficiency. According to the invention, the detection working condition is optimized, the temperature field condition is provided, the detection result is more rigorous and accurate, the smoke concentration detection accuracy is improved, and the parameters of the dust removal efficiency measured by the device are more diversified.

The invention provides a method for realizing the vibration protection for a hydroelectric generating set, which belongs to a realizing method for performing the vibration protection for the hydroelectric generating set under different operating conditions, aiming to solve the problem that the prior art can not study by self and regulate output to perform the vibration protection for different models under different working conditions. The method comprises the follow steps of: a. collecting, testing and sorting original data for the models of the hydroelectric generating sets and various operating conditions to construct an analytic system data model; b. analyzing and processing a data format represented as an index of set stability after collecting real-time data for the vibration of thehydroelectric generating set, and storing the data in a database at the same time; and c. extracting and analyzing the vibration data in the database to obtain the characteristics and the trend of the vibration of each working condition of the set, making corresponding early warning and corresponding protecting processes by combining current operating mode, current operating condition and the real-time data, and inputting the early warning and protecting processes into a computer supervisory control system to regulate the output of the set in real time, thereby avoiding a vibration area or machine halt, and reducing harm to the set.

The invention discloses a single-charging and single-cutting charging method and charging system for storage batteries. According to the method, each single battery in a storage battery pack is provided with one path of special charging module power supply; each single battery is independently controlled to charge in a one-on-one manner; and the single-charging and single-cutting charging method can be applied to a zinc-silver storage battery pack or a lithium-ion storage battery pack. The charging system comprises the storage battery pack, multiple paths of charging module power supplies, a computer and voltage-drop compensation connection charging terminals; the storage battery pack comprises a plurality of single batteries; each single battery is provided with one path of special charging module power supply; each path of charging module power supply is provided with two voltage-drop compensation connection charging terminals; the voltage-drop compensation connection charging terminals are connected with the charging module power supplies and the single batteries respectively; and the computer can control various paths of charging module power supplies. According to the single-charging and single-cutting charging method and charging system for the storage batteries disclosed by the invention, different charging parameters can be set according to the state of each single battery in the storage battery pack; and independent charging of each single battery is achieved.

The invention provides a method for improving power stability of an erbium-doped fiber light source. The whole structure of the erbium-doped fiber light source is designed; a light source TEC temperature control module and an LD driving circuit are designed; light subjected to beam splitting of an optical coupler reaches to a feedback control module of a circuit from the output end of the light source, and a photoelectric detector taken as a core device of the feedback control module receives return light and converts an optical signal into an electrical signal; increment type previous difference PID control algorithm is written, after compiling is completed, a control program is downloaded to a total controller of a light source system, the power of light output by the light source is controlled, and the light source with stable power is output. The control algorithm is applied to the feedback control module for the power of the erbium-doped fiber light source, the erbium-doped fiberlight source which has good power stability and linear changes in temperature with the power within a -40 DEG C-+60 DEG C range can be obtained, and more, solid foundation is provided for research ofa fiber-optic gyroscope of high precision.

The invention discloses an intercommunication-free distributed direct-current energy storage system and a control method therefor. A current ratio is output according to a converter of an energy storage unit, virtual resistors with a state of charge of the energy storage unit and line impedance in charging and discharging conditions are designed separately, and load power dynamic distribution in the distributed direct-current energy storage system is realized without a communication system; and meanwhile a local voltage secondary controller is added, so that a voltage drop caused by a droop control method can meet a maximum voltage deviation requirement of the system. According to the distributed direct-current energy storage system and the control method, the present problems that the energy storage unit cannot dynamically distribute load power according to a current state of charge due to the fact that a control policy balances an output voltage of a distributed power supply by depending on the communication system and the influence of the line impedance on output current distribution precision of the energy storage unit is not considered can be comprehensively solved.

The invention discloses a new recursive fuzzy neural network terminal sliding mode control system of a micro-gyroscope system. The terminal sliding mode control adopted in the invention adds a nonlinear function to the design of the sliding hyperplane, so that the system state can be used faster The speed converges to the equilibrium point, thus speeding up the response speed of the control system. And the output of the recursive fuzzy neural network is used to replace the uncertain items in the terminal sliding mode controller, so that the robustness of the system is stronger.

The invention provides an air conditioner and a compressor control method thereof. After the outdoor ambient temperature enters the corresponding outdoor ambient temperature subsection, according to the change of the ambient temperature, the subsection target frequency corresponding to the outdoor ambient temperature subsection is performed. Correction. When the ambient temperature decreases, the load demand becomes smaller, and the target frequency correction decreases to prevent the air conditioner from running at high frequency, and the output of the air conditioner is adjusted in real time to reduce energy, so as to adapt to the changing environment needs; when the ambient temperature increases, the When the load demand increases, the target frequency correction increases, and the output of the air conditioner is adjusted in real time to adapt to the changing environment. The invention can control the operating frequency of the compressor of the air conditioner to change gradually following the change of the ambient temperature, prevent the stepwise change, achieve the purpose of precise control, reduce the fluctuation of the operating frequency of the compressor, improve the use comfort, and improve the energy saving of the air conditioner.

The invention discloses a single-charging and single-cutting charging method and charging system for storage batteries. According to the method, each single battery in a storage battery pack is provided with one path of special charging module power supply; each single battery is independently controlled to charge in a one-on-one manner; and the single-charging and single-cutting charging method can be applied to a zinc-silver storage battery pack or a lithium-ion storage battery pack. The charging system comprises the storage battery pack, multiple paths of charging module power supplies, a computer and voltage-drop compensation connection charging terminals; the storage battery pack comprises a plurality of single batteries; each single battery is provided with one path of special charging module power supply; each path of charging module power supply is provided with two voltage-drop compensation connection charging terminals; the voltage-drop compensation connection charging terminals are connected with the charging module power supplies and the single batteries respectively; and the computer can control various paths of charging module power supplies. According to the single-charging and single-cutting charging method and charging system for the storage batteries disclosed by the invention, different charging parameters can be set according to the state of each single battery in the storage battery pack; and independent charging of each single battery is achieved.

The invention discloses a novel energy-saving air conditioner capable of adjusting the load dynamically. The novel energy-saving air conditioner comprises an air adjusting device, a refrigerating machine, refrigerated water temperature sensors, a refrigerated water pump, a cooling device, at least one temperature and humidity sensor and a controller. The air adjusting device comprises a heat exchanger and a draught fan placed on one side of the heat exchanger; and a water inlet and a water outlet are formed in the heat exchanger. The refrigerating machine supplies refrigerated water to the heat exchanger, a refrigerated water inlet and a refrigerated water outlet are formed in the refrigerating machine; a refrigerated water inlet pipe is connected between the refrigerated water inlet and the water outlet of the heat exchanger; and a refrigerated water outlet pipe is connected between the refrigerated water outlet and the water inlet of the heat exchanger. The refrigerated water temperature sensors are mounted on the refrigerated water inlet pipe and the refrigerated water outlet pipe. The refrigerated water pump is mounted on the refrigerated water outlet pipe. The cooling device is connected with the refrigerating machine. The at least one temperature and humidity sensor is used for measuring the temperature and humidity of air. The controller is electrically connected with the air adjusting device, the refrigerating machine, the refrigerated water temperature sensors, the refrigerated water pump, the cooling device and the temperature and humidity sensors. The system can adjust cold energy output in real time according to the change of the air thermal and humid load, and accordingly energy is saved.

The present invention disclosed a control method and system for a single frequency adjustment for wind storage systems, which belongs to the field of electrical engineering technology, including the underlying dual -feeder asynchronous wind power generator DFIG vector control and energy storage system ESS dual -closed control. The upper power consistency control controlConsistency control of Lochian status SOC.The underlying control to ensure the normal operation of the fan and energy storage system, and the power distribution of the upper -level control regulatory fan and energy storage system: Based on power -based control to ensure that energy storage equipment can be adjusted in real time according to its different capacity.Sexual protocols adjust the reference power of the DFIG network -side variables to ensure that all energy storage devices are adjusted according to the SOC output under the premise of charging and discharge at the same time.In this way, the present invention can effectively adjust the output power of the wind storage in real time to ensure the stable frequency of the wind farm.

The invention relates to a high frequency pulse power supply for electric dedusting. A three-phase alternating-current power supply is supplied to a deduster electric field after passing through the high frequency pulse power supply for electric dedusting. The high frequency pulse power supply for electric dedusting includes a main loop switch, a pulse power generator, a high frequency fundamental wave circuit, a DSP controller, a detection circuit, and a coupling circuit. The pulse power generator and the high frequency fundamental wave circuit are connected between the main loop switch and the coupling circuit in parallel.