35results about How to "Keep power" patented technology

An improved inspection system using back-side illuminated linear sensing for propagating charge through a sensor is provided. Focusing optics may be used with a back side illuminated linear sensor to inspect specimens, the back side illuminated linear sensor operating to advance an accumulated charge from one side of each pixel to the other side. The design comprises controlling voltage profiles across pixel gates from one side to the other side in order to advance charge between to a charge accumulation region. Controlling voltage profiles comprises attaching a continuous polysilicon gate across each pixel within a back side illuminated linear sensor array. Polysilicon gates and voltages applied thereto enable efficient electron advancement using a controlled voltage profile.

An apparatus and method for separating animal waste from litter are provided. In one form, the apparatus includes a drum that contains litter and a helical rake that is rotatable in the drum. The rake can rotate relative to the drum to reduce power requirements for the rotary rake drive. Preferably, the drum is also rotatable by turning of the rake in the drum, but only for a limited, fixed angular distance which also reduces peak power requirements for the rotary drive motor for the rake.

The invention discloses a control method for high-power reactive and harmonic dynamic hybrid compensation method. The hybrid compensation system comprises an SVG (static var generator), a TSF (thyristor switched filter) group and a controller, and the SVG and TSFs are parallelly connected to a grid. The three-phase current of the grid between the SVG and the TSFs is taken as a detection object, voltage and current values collected by sensors are processed through the controller, switching signals of the TSFs are acquired according to hybrid logic judgment, most of the reactive power of loads is compensated in a graded manner, and specific subharmonic is filtered out; control parameters of the SVG are acquired according to an instantaneous-power theory, and the surplus reactive power and harmonic of the loads are continuously compensated. A cost-effective scheme for rapid continuous compensation of the high-power reactive and harmonic is provided, impact of switching of passive equipment on the grid can be completely avoided, and harmonic current is avoided flowing to the grid, so that the control method is energy saving, emission reducing, green, environment friendly, good in social and economical effectiveness, wide in application range and especially applicable to the field of oil drilling.

Cartridge type solid-state image pickup apparatus, which is used to photograph a digital image while it is attached to a film camera instead of a film, comprises: a housing having a shape of a cartridge from which the film is drawn by a predetermined length; and a solid-state imaging element mounted on a part corresponding to the film, wherein the solid-state imaging element has a light-receiving surface of an aspect ratio horizontally greater than that of a rectangular range to be photographed.

The present invention relates to a method, controller, wind turbine and wind farm that advantageously determines an ice throw risk zone (302) for a wind turbine (301), wherein the ice throw risk zone (302) defines an area surrounding the wind turbine (301) within which ice can be thrown from one or more blades of the wind turbine (301); determining whether the determined ice throw risk zone (302) impinges one or more exclusion zones; and if the determined ice throw risk zone (302) impinges one or more exclusion zones, determining an alteration to one or more operating parameters of the wind turbine (301) in order to alter the ice throw risk zone (302) such that the determined ice throw risk zone (302) does not impinge the one or more exclusion zones.

The invention is in the technical field of bubbling fluidized bed combustion and relates to the use of ilmenite particles with an average particle size <dp> between 0.1 mm and 1.8 mm as bed material for a bubbling fluidized bed (BFB) boiler with an excess air ratio [lambda] below 1.3 and to a method for operating a bubbling fluidized bed (BFB) boiler, comprising carrying out the combustion process with a bubbling fluidized bed comprising ilmenite particles as defined in any one of claims 1 and 4-5; and setting the excess air ratio [lambda] to a value below 1.3.

A Direct Connect Homegrid (DC-Homegrid) system for Direct Current (DC) power control and delivery into a structure by way of Unifying Electrical Interface (UEI) platforms is here presented. By means of the Homegrid, multiple self-contained approaches are introduced to keep a structure powered with DC, either as a substitute or as a supplement to the conventional Alternating Current (AC) source. By the illustrated approaches contained herein, a new methodology permitting to retain power operation in the occurrence of a blackout, due to natural disaster, cyber-attack or any other conventional AC grid failure, is revealed. Such DC-Homegrid is envisioned to become the precursor in establishing the DC infrastructure of the future. The embodiments presented in this patent illustrate alternate methods for achieving power independence while increasing the value for adoption of renewable and sustainable energy.

The invention provides a lateral displacement method of a shipbuilding gantry crane. The lateral displacement method comprises the following steps of a, paving a target track parallel to an original track, wherein the crane is positioned on the original track; b, mounting a first group of ground anchors and a winch outside one side, which is away from the original track, of the target track; c, moving the crane to a lateral displacement position on the original track and anchoring the crane; d, respectively mounting lug plates on two side legs of the crane; e, paving a lateral displacement track, and meanwhile, dismantling interference wheels of the crane and mounting the crane on a trolley moving along the lateral displacement track; f, arranging a connecting rod between the two side legs; g, laterally displacing the crane onto the target track by using the winch.

A method for controlling a generator of electrical energy connected to a grid connection point of an electrical supply grid, comprising the steps of: regularly feeding electrical reactive power and electrical active power into the electrical supply grid, the generator being operated at a first working point, at which the electrical generator generates electrical reactive power and electrical active power, first interrupting or changing the feeding of the electrical reactive power and/or the electrical active power into the electrical supply grid when there is, or it is indicated that there is, a disruption in the electrical supply grid or a disruption of the feed into the electrical supply grid, resuming the regular feeding of the electrical reactive power and/or electrical active power into the electrical supply grid, the generator performing the resumption at a second working point or being ramped up to the second working point, at which the electrical generator generates and feeds in electrical reactive power and/or electrical active power, and suppressing the resumption of the feeding of the electrical reactive power and/or the electrical active power into the electrical supply grid in such a way that the electrical generator ceases feeding the electrical reactive power and/or the electrical active power for a shut-off period if an interruption has recurred within a predetermined counting time interval, or suppressing the feeding of the electrical reactive power and/or the electrical active power into the electrical supply grid in such a way that the electrical generator ceases feeding the electrical reactive power and/or the electrical active power for a shut-off period if a change of the feed has recurred within a predetermined counting time interval.

A control system is disclosed that controls both regular and smart high power usage devices based on real time pricing information. An end user through a user interface sets a trigger price above which the device will shut down or reduce power usage. The control system will operate independently of any system operator or utility and is controlled solely by the end user. A method is disclosed to elicit an end user's preferred trigger price (the price above which to reduce power to the high power usage device). The control system allows end users to override their pre-defined trigger prices to deliver preferable outcomes in response to external and environmental factors. In addition, a method to protect pool equipment from winter freeze events while responding to real time price signals is also disclosed, along with a temperature override device.

The invention discloses a control method with fault diagnosis and automatic restoration functions for a hybrid compensation system. According to the control method for the hybrid compensation system, power grid three-phase currents between an SVG and a TSF group as well as output three-phase currents of the TSF group are regarded as detection objects, voltage and current values acquired by sensors are processed through a controller, the TSFs are controlled to compensate most of reactive power of a load in a graded manner and filter out specific subharmonic waves by using a diagnostic control module, when one of the TSFs fails, the faulty TSF is diagnosed and cut off automatically, and the normal TSFs are reconfigured on demand and put into service, so that the hybrid compensation system has the automatic restoration function; in addition, control parameters of the SVG are obtained according to an instantaneous power theory, so as to achieve continuous compensation of residual reactive power and harmonic waves of the load. The control method ensures stable and reliable operation of the hybrid compensation system in normal and fault states of the TSFs, greatly increases system operating efficiency, and reduces system later-stage maintenance cost. The control method for the hybrid compensation system saves energy, reduces emission, is green and environmentally friendly, has good social and economic benefits, and is particularly suitable to be used in the petroleum drilling field with high damage rate of the TSF due to harsh environment.

The invention discloses an electromagnetic protection safe elevator. The elevator comprises an elevator shaft and an elevator car. The bottom end of the elevator shaft is provided with a first electromagnetic device which is provided with a pressure sensor and triggered by a first distance sensor. The bottom end of the elevator car is provided with a second electromagnetic device triggered by a second distance sensor. Electromagnetic fields generated in the first electromagnetic device and in the second electromagnetic device are same in magnetic pole. ABS brake rail devices are fixedly connected to the two sides of the top end of the elevator car. The top end of the elevator shaft is fixedly connected with a storage battery and an automatic control box with a controller. Through the second electromagnetic device and the first electromagnetic device, the situation that the elevator car accidental falls and injures people is avoided, the first electromagnetic device of the elevator bodyand a first electromagnetic device on the ground simultaneously generate strong homopolar electromagnetism, the same electromagnetic poles repel mutually, thus, the elevator car is protected, throughthe ABS brake rail devices, the function of the ABS brake rail devices is automatically triggered when the elevator car falls due to sudden cable breakage, and thus the safety of the elevator car isensured.

The invention relates to an infrared laser source device, a lighting device and a motor vehicle. An infrared laser source device (10) is provided with an outer housing (11) comprising: a light output interface (12) arranged in a front (F) of the outer housing (11); at least one infrared laser source (14) arranged in the rear (R) of the outer housing (11) and configured to emit an IR laser beam (B) providing a first emission area (C1) at the light output interface (12); and a first light distribution element (15) configured to diverge light at the light output interface (12) wherein the infrared laser source arrangement further comprises a second light distribution element (16) separate from the first light distribution element (15), the second light distribution element providing a second emission region (C2) at the light output interface (12) that is larger than the first emission region (C1).

The invention belongs to the field of integrated operational amplifier circuits, and particularly relates to an integrated operational discharge flat window expansion device based on a variable asymmetric power supply mechanism. In the invention, the control unit is connected with the dual-channel digital-to-analog converter, and the output of the dual-channel digital-to-analog converter is controlled by the control unit, so that the two voltages are mutually independent, the independent control of the positive and negative power supplies of the integrated operational amplifier is realized, and the voltage of each power supply can be adjusted more conveniently. After the voltage output by the dual-channel digital-to-analog converter is conditioned by the voltage amplifier and the push-pull circuit, the voltage range of the positive power supply and the negative power supply of the integrated operational amplifier is widened, the driving capability of the power supply is enhanced, the output range of the level window is improved, and the application range of the level window is further widened. Compared with the prior art, the integrated operational amplifier circuit has the advantages of being simple in structure, convenient to control, low in cost and the like, the bandwidth and the output power capacity of the integrated operational amplifier circuit can be kept to the maximum extent, and the application range of the integrated operational amplifier circuit can be widened.