325 results about "Electrical energy consumption" patented technology

A large-scale, capacitor-based electrical energy storage and distribution system capable of effectuating load-leveling during periods of peak demand on a utility, and of effectuating a cost savings associated with the purchase of electrical energy. A capacitor or multitude of capacitors may be charged with electrical energy produced by the utility, such as during periods of low demand or low cost, and discharged during periods of high electrical energy consumption or high electrical energy cost. One or more capacitors may be located at a consumer's residence or business. Alternatively, a farm of capacitors may be provided at or near a utility, or at or near a location experiencing high demand. In another embodiment, one or more capacitors may be located in or on a vehicle, such as an automobile, a truck, or a train of a light rail system.

A climate control system of a vehicle and a method of controlling the climate control system to minimize vehicle energy consumption and maximize occupant comfort. The climate control system includes a main HVAC system for conditioning a fluid discharged into a passenger compartment of the vehicle, an auxiliary HVAC system for conditioning a localized fluid of at least one HVAC zones of the passenger compartment, a seat system, and an HVAC controller. The HVAC controller controls the main HVAC system, the auxiliary HVAC system, and the seat system based upon at least one parameter and condition which pertains to at least one of electrical energy consumption of the vehicle and occupant comfort.

The invention relates to a process for producing an ultra-thick plate and belongs to the field of rolling and producing an ultra-thick steel plate in the metallurgical industry. The invention mainly overcome the defect of producing the ultra-thick steel plate by a traditional model casting manufacturing blank and an electro-slag remelting manufacturing blank. The method comprises the following steps: cutting and fixing lengths of the blanks, mechanically conditioning the blanks (eliminating, leveling and cleaning a single-surface oxide layer of a casting blank with a milling machine, a planer or a shot blast); clamping an assembly (relatively superposing the cleaning surfaces of the two blanks after processing, placing the two blanks oppositely and clamping the blanks); mounting the blanks in a vacuum chamber of an electronic beam welding machine for purpose of vacuuming; sewing the assembly on the electronic beam welding seal edge, heating the assembly in a furnace and rolling the assembly through temperature control; and then producing the ultra-thick steel plate. Compared with the traditional electro-slag remelting production process, the process has the advantages of high production efficiency, reduced electric power consumption, less investment of production devices and low production cost. Compared with the traditional die casting production process, the process solves the problem of segregation and looseness of a large-scale die casting ingot center part; the finished product ratio is high; and the finished product ratio of blank assembly is over 90 %.

An apparatus has an input section arranged to receive values representative of the total instantaneous supply of electrical current as a function of time from an alternating voltage supply. Current waveforms comprising sets of values representative of the cyclic waveform of the electric current supply are obtained. A delta waveform generator calculates the difference between a current waveform and an earlier current waveform. An edge detector is arranged to detect an edge or edges in the delta waveform. An analysis section is arranged to identify at least one appliance load based at least on information on the edge or edges detected by the edge detector, and to determine the electrical energy consumed by said appliance load. Another apparatus has an input section arranged to receive values representative of the current supplied to an installation, such as a house. A store contains appliance data characteristic of the use of electricity by each of a plurality of appliances. A processor is arranged to analyse the received values to detect when an appliance is switched on and determine the fractional change in resistance of a heating appliance from the when it is switched on until it reaches its operating temperature. This information is used to identify what the particular appliance is, and to determine the electrical energy consumption by that appliance. A utility meter for metering the use of at least one utility supplied to a plurality of appliances is also disclosed. An input section is arranged to receive values representative of the use of a first utility. A store contains appliance data characteristic of the use of utilities by each of a plurality of appliances. A processor is arranged to analyse the received values and to determine information on the use of a second utility by each appliance, based on the received values and appliance data.

A method for generating a net load forecast for a utility grid, the grid including intermittent distributed energy resources and loads, comprising: defining two or more load forecast zones, each zone being associated with a load profile type and a climate zone type; assigning each of the loads to one of the zones based on the load profile and climate zone types associated with the load; assigning each of the energy resources to at least one of the zones based on the climate zone type associated with the energy resource; for each zone, generating an electrical energy consumption forecast for loads, an electric power generation forecast for energy resources, and a net load forecast from the electrical energy consumption and electric power generation forecasts; combining the net load forecast for each zone to generate the net load forecast for the grid; and, presenting the net load forecast on a display.

The invention relates to single-coating type matt transferring aluminum-plating paint and a preparation method thereof; the coating comprises the following ingredients by weight parts: 10-20 parts of main resin, 0-10 parts of auxiliary resin, 70-80 parts of dissolving solvent, 0.5-2 parts of matt powder, 0.2-0.5 part of white increasing powder, 0-0.5 part of dispersing accessory ingredient, 0-0.5 part of leveling agent, 0-0.5 part of defoaming agent, 0-0.5 part of anti-scuffing agent; after the materials are prepared, 90 percent of the dissolving solvent, the main resin, the auxiliary resin, the leveling agent, the anti-scuffing agent and the defoaming agent are arranged in an agitated reactor and are stirred for reaction, the matt powder, the white increasing powder and the remaining 10 percent of the dissolving solvent are added in another dispersing cylinder and are mixed and stirred to obtain the product. Compared with the prior art, the production cost is low, the paint is beneficial to environment protection, the production efficiency is improved, water and electrical energy consumption is reduced, the printing performance of the product is good, and the luster is stable.

There is described a system to measure the electrical consumption of a household. This system consists of a network of measuring devices that are attached to wires between electrical appliances and circuit breakers and of a communication and processing unit that receives measurement data from the measuring devices. Low precision sensors based on the Hall effect may be used for obtaining precise measurements of energy consumption by providing a casing for the measuring devices that ensures a fixed, known, and precise alignment with respect to the wire to which it is attached. Low precision sensors based on the Hall effect may also be used by performing a correction calibration of measured data.

A tabular method of non-intrusive electrical load decomposition includes the following steps of: conducting off-line statistics of unit current parameters of various pieces of electric equipment; selecting the type of main electric equipment according to electrical load; selecting a power proportion spacing to combine the power proportion vectors of all possible main electric equipment inside the electrical load; obtaining the electrical load unit estimation current corresponding to the power proportions in an off-line way and forming a corresponding table of the power proportions and the unit estimation current; thinning the corresponding table of the power proportions and the unit estimation current into a plurality of sub corresponding tables according to the size of parameters of the unit estimation current; according to the size of a practically detected load current parameter, judging a sub corresponding table therein; and finding the load unit estimation current closest to the practically detected load current in the sub table, obtaining the power consumption proportion of the main electric equipment inside the load and realizing load decomposition. The tabular method can decrease the calculation quantity of load decomposition effectively and can be applied to the fields of load monitoring, electrical energy consumption analysis, load energy saving, load prediction, load modeling and the like in an electric power system.

The invention relates the gasification removing the phosphor method in the course of converter slag, belonging to steelmaking technology field. The main question is following: at the condition of not adding dedicated device and impacting the rhythmic production, removing sulfur-phosphorous harmful substance, realizing recirculation, reducing electrical energy consumption, and reducing pollution. The method comprises the following steps: an adjusting furnace slag and tapping: FeO content being above 12%, separating slag and tapping; b adding carbonaceous and silica reducing agent; c splash slag furnace: adding reducing agent, after 5-10 seconds, falling gun and splashing slag, providing nitrogen intensity being 2.8-4.8Nm3/tíñmin; d ending the splashing slag and finishing the dephosphorization. The method neední»t improve the equipment, saving the slag, energy consumption and added operation, forming the highly effective technology integration, realizing the resource utilization, and reducing the environmental contamination.

PCT No. PCT/IT96/00101 Sec. 371 Date Nov. 19, 1997 Sec. 102(e) Date Nov. 19, 1997 PCT Filed May 17, 1996 PCT Pub. No. WO96/38841 PCT Pub. Date Dec. 5, 1996This invention refers to an electronic computer 10 having a reader 21 for the reading of removable magneto-optic media (CD-ROM) 14. The electronic computer 10 allows even non-expert users to playback the CD-ROM media by pressing pushbuttons 48 on a button panel 45 and visualises on a display 47 information concerning the type of CD-ROM inserted in the reader 21 and the functionality selected. The electronic computer 10 is also capable of passing automatically from an operating state of maximum performance to one of reduced performance with a resultant reduction in electrical energy consumption. The electronic computer 10 can also be connected to television sets 12 and to video recorders 13. The computer 10 according to this invention, while possessing the functionality described above, still remains flexible, powerful, and upgradable, which are attributes typical of personal computers.

The invention discloses a remote control, and a backlight control method and a backlight control system thereof. The backlight control method includes steps: detecting illumination intensity of current environment, and converting the illumination intensity into an AD (administrative distance) value; after a button triggering signal is detected, comparing the AD value with a preset threshold valve, and turning on backlight with corresponding duty ratio according to comparison results; and after the backlight is turned on with the corresponding duty ratio for a preset time period, turning off the backlight. Control on backlight brightness according to the illumination intensity of the current environment is realized, the backlight brightness is lowered when the illumination intensity of the current environment is high, and the backlight brightness is increased when the illumination intensity of the current environment is low, so that electricity consumption is effectively lowered, and more humanization and intelligentization are realized.

The invention discloses a speed regulation and control system for a lifting mechanism of a tower crane. The lifting mechanism of the tower crane is controlled by a PLC through a frequency converter; the switching value of each shift during the ascending and descending of the tower crane is input into the PLC; the output of the PLC is connected with the frequency converter; the output of the frequency converter is connected with an ascending motor; and the PLC program design completes the logic operation of a given signal and a peripheral signal of the ascending frequency converter, the control of a brake, the logic judgment and alarm of various fault signals. An electrical towage system of the tower crane is subjected to technical transformation by using advanced PLC frequency conversion and speed regulation technology, so that the lifting mechanism of the crane realizes stable operation, enhances the operating efficiency, improves overload operation, eliminates starting impact and braking impact, reduces electric maintenance, reduces power consumption, and improves power factors. Simultaneously, the lifting mechanism has the advantages of over-current protection, over-voltage protection, under-voltage protection and input phase-lacking protection, and over-temperature protection, overload protection and over-speed protection of the frequency converter, overheat protection of a brake unit, an I/O fault protection, and motor fault protection and the like.

The invention provides a permanent-magnet hybrid magnetic circuit drive motor of an electric vehicle, and belongs to the technical field of vehicle motor electric appliances. The permanent-magnet hybrid magnetic circuit drive motor of the electric vehicle is composed of a front end cover, a rear end cover, a motor case, a rotor and a stator. Tile permanent magnet steel is fixed to a rotor iron core through a screw via a pole shoe, and rectangular permanent magnet steel is embedded into the rotor iron core, so that a rotor magnetic bypass structure is achieved, the permanent magnet steel is effectively prevented from generating irreversible demagnetization under over-high temperature or under the armature reaction action of impact currents, and the permanent magnet steel does not lose magnetism. A rotor magnetic field of the drive motor is provided by a radial magnetic field and a tangential magnetic field together, the intensity of the magnetic field is large, the output power is high, no electro-magnetic winding is needed, power consumption is little, no carbon brush or mechanical commutator is provided, the failure rate is low, and the permanent-magnet hybrid magnetic circuit drive motor has the advantages of being high in efficiency, high in power density, compact in structure, reliable in working and the like.

The invention refers to a production method of electrocast refractories composite. The technical project is mixing 20-90 % aluminium ash and alumina or 10-80% magnesium-containing compound according to weight percent, pressing to compact, electric smelting in 1800-3000deg C, taking off after chilled, and then bruising, separating and the getted electrocast refractories composite is electro-melting corundum or electro-melting magnesium aluminate spinel compound. Thereinto: the percentage content of main component in chemical aluminium ash is Al2O3 10-70%, Al 10-40%, MgO 0.3-20%, SiO2 0.5-30%;Magnesium-containing compound is one or two kind of magnesium carbonate and magnesia. This invention using non-oxidized substance such as metal alumina, aluminium nitride and so on of aluminium ash as main reductor, fuse deacidizing oxidate such as SiO2,Fe2O3,TiO2 and so on in alumina or aluminium ash, so electrical energy consumption is low and environmental contamination is light; The prepared electro-melting corundum or magnesium aluminate spinel compoud has the character of low carbin containing.

The invention discloses a zero-energy consumption building natural ventilation system which comprises a transparent glass cover plate, a heat collecting plate mounted on a south-ward outer wall of the building, and an air way formed between the transparent glass cover plate and the heat collecting plate, as well as an air induction type rotary discharge air cap and an air induction type rotary air intake cap both arranged at the top part of the air way. The natural ventilation system fully utilizes solar energy and wind energy to enhance building natural ventilation capacity, overcomes the deficiency caused by utilizing a single energy source, ensures system stable operation, effectively reinforces indoor ventilation effect to improve the air quality, avoids electrical energy consumption to achieve favorable energy saving effect, and is simple in structure and convenient to install and maintain.

The invention relates to a water circulation cooling hub type liquid cooling permanent magnetic dynamometer, belonging to power machine testing equipment. The dynamometer comprises a shell, a stator and a rotor; the rotor comprises a magnet retainer and a plurality of permanent magnets fixed at the periphery of the magnet retainer. The stator comprises a stator hub and a moving plate fixed at the end face of the stator hub. The outer surface of the stator hub is provided with a spiral water channel which is sealed by a sealing cover on the spiral water channel so as to form a liquid cooling device. The sealing cover and the shell are linked by a guideway mechanism, the moving plate is connected with a control mechanism, and the stator hub, the sealing cover and the moving plate can slide along the axial direction in the shell under the control of the control mechanism. Loading torque generated by the dynamometer in the invention is easy for continuous adjustment; the permanent magnet is used for replacing the magnet exciting coil of an electric eddy current dynamometer, therefore, copper resource is saved, no electrical energy consumption exists during stable operation, and the loading torque is stable for a long time during high speed; the sealed water circulation cooling system has good cooling effect, does not generate noise and is applicable for occasions having high requirement on the noise.

A sputum excretion instrument belongs to the technical field of medical instruments and comprises a wearing device, an air vibration mechanism and an air pressure regulating mechanism. The sputum excretion instrument is characterized in that the air vibration mechanism comprises a piston pump motor, an eccentric disc, a connecting rod, a piston and a piston cylinder, the piston pump motor is fixed on a motor seat, the eccentric disc is fixed on a piston pump motor shaft of the piston pump motor, an eccentric shaft is fixed on one side of the eccentric disc, one end of the connecting rod is connected onto the eccentric shaft while the other end of the connecting rod is connected with the piston, the other end of the piston matches with a piston cylinder cavity of the piston cylinder, air inlet and outlet valves are disposed on a wall of one end of the piston cylinder, the wearing device comprises a wearing type sputum excretion waistcoat body, an interlayer air cavity and at least one group of fasteners, the interlayer air cavity is formed in an interlayer of the wearing type sputum excretion waistcoat body, and the fasteners comprise male fasteners and female fasteners. The sputum excretion instrument has the advantages that the structure is simplified, and the sputum excretion instrument provides convenience for manufacture, assembly and maintenance, increases work efficiency, saves electric energy consumption, and can meet requirements of convenience and speediness in wearing for patients.

The invention relates to a control method of electro-hydraulic power-assisted steering and a system for implementing the method. The control method comprises the following steps: detecting the temperature of inputted hydraulic oil of a steering oil pump; then comparing the detected temperature value with a set threshold value, and transmitting a corresponding frequency control signal to a steering motor according to a comparative result, so that the steering motor is controlled to operate at a rotational speed corresponding to a given frequency. The system comprises the steering oil pump, the steering motor and a controller for controlling the motor, wherein the steering oil pump is driven to rotate by the steering motor; the power-assisted steering system further comprises a temperature sensor, the temperature sensor is used for detecting the temperature of the inputted hydraulic oil of the steering oil pump, and the controller is connected with the temperature sensor during sampling. According to the control method and the system, which are disclosed by the invention, not only can the electric energy depletion of the electro-hydraulic power-assisted steering system be effectively reduced and the effective utilization rate of a vehicle-mounted energy resource be increased, but also the problems that assisted power for starting the steering motor does not exist or the assisted power is lower under the low temperature can be effectively solved, so that a response property of the power-assisted steering is improved, and the adaptability of a vehicle in an alpine region is improved.