37 results about "Unit generator" patented technology

Circuits of a TAF-DPS clock generator implemented on programmable logic chip comprise: 1) a base time unit generator created from configurable blocks, or on-chip PLL, or on-chip DLL, said base time unit generator produces a plurality of phase-evenly-spaced-signals; 2) a TAF-DPS frequency synthesizer created by configuring configurable blocks of said programmable logic chip, said TAF-DPS frequency synthesizer takes said plurality of phase-evenly-spaced-signals as its input. Methods of creating flexible clock signal to drive application comprise: 1) selecting one or more strategic areas in said programmable logic chip; 2) creating one or more TAF-DPS clock generator for each said area by using the configurable resource in said area; 3) creating control function to control the frequency and duty-cycle of the TAF-DPS clock generator output, said control function can be circuit created from configuring configurable blocks, said control function can also be achieved by software; 4) driving the circuits in application by the flexible clock generated from said TAF-DPS clock generator.

The present invention is a method for generating automatically the physical patterns of the analog and RF integrated circuits, extracting the pattern circuits, verifying the pattern circuits and positioning the pattern errors of the same. The object of the invention is to design the physical patterns of the analog and RF integrated circuits as automatically as possible, avoid the constraint condition by manual analysis and avoid the circulation of distributing-extracting-verifying. The invention comprises the following steps: generating the physical pattern unit, distributing the physical pattern, wiring the physical pattern, verifying the physical pattern and positioning automatically the physical pattern error. The invention uses the integrated physical pattern unit generator and physical pattern database interface to provide the physical pattern unit; uses the distributing technology based on signal flow to optimize the area and the property of pattern; adjusts automatically the extracting accuracy of pattern parasitic parameters to increase the extracting speed; uses the macro-model to increase the emulating speed and the capacity of circuit and uses the emulation comparing technology to position the pattern error.

Systems and methods are described for the measurement of time delay, time delay variation and cell transfer rate in asynchronous transfer mode networks. A method includes generating a time-stamp information cell at a first location; transmitting the time-stamp information cell to a second location via a network link; and receiving the time-stamp information cell at the second location. An apparatus includes an asynchronous transfer mode network including a time delay information cell generator.

The invention provides a mechanical brake control apparatus, method and system of a pumping storage unit. The method comprises the steps of outputting a mechanical brake instruction according to a feedback signal of an electric brake disconnecting link in a water pumping energy storage power station, a feedback signal of a GCB, a feedback signal of a guide vane all-off sensor, a rotary speed signal of a unit, a feedback signal of a guide vane opening feedback sensor, a rotary speed signal measured by a fluted disc speed measurement probe, a first rotary speed threshold value and a second rotary speed threshold value, to enable an electromagnetic valve to act to control the low-pressure gas in a mechanical brake air supply pipeline to enter a lower cavity of the electromagnetic valve through linkage of the electromagnetic valve and to jack the lower cavity, and enabling a brake ring which is fixed below a rotation part of a unit generator motor of the water pumping energy storage power station to be in friction, so as to enable the pumping storage unit of the water pumping energy storage power station to be stopped in a static state. By virtue of addition of the speed regulator, the feedback signal of the guide vane opening feedback sensor and the rotary speed signal measured by the fluted disc speed measurement probe are electrically adjusted and collected to be used as the input mechanical brake conditions, so that reliability of a signal circuit can be improved.

This invention discloses one device to adjust and arbitrate, which comprises the following parts: time lag generation module, arbitrate time unit generation module, input data responding module and output data responding module, wherein, the said arbitrate time unit generation module is to control it generate effective label speed by meter circuit; the said time lag generator module is to receive label for energy signal for meter operation composed of meter circuit; the input data responding module is to receive time piece effective signal to test current terminal is effective.

The invention discloses a high-pressure cylinder rapid starting system for a thermal power generation unit set. In the system, a steam-water system of a thermal power plant unit generator set is improved specific to a set adopting a high-pressure cylinder starting way. The improvements are that: a cutoff valve (V1) and a regulating valve (V2) are added on an original main steam pipeline of a steam turbine of the set; a branch is added on a condensed water pipeline of the set, and condensed water flowing through the regulating valve (V5) is supplied to an adjacent set steam condenser; a branch is added on a main steam (or reheated steam) pipeline of an adjacent set, and steam flowing through a cutoff valve (V3) and a cooling and decompressing valve (V4) is supplied in front of a high-pressure main steam valve of the steam turbine. By adopting the system, the starting grid-connection time of a coal burning (thermal) power plant unit set can be shortened, and the peaking performance of a coal burning (thermal) generator set is improved.

The invention relates to a water power regeneration generator set which comprises a generator, water turbines and water turbine supports, wherein each water turbine is composed of two water wheel positioning rings, a plurality of water wheel paddle boards, water wheel outer gear rings and water wheel shafts, wherein the water wheel positioning rings are fixed on the water wheel shafts; the plurality of water wheel paddle boards are uniformly distributed between the two water wheel positioning rings; the water wheel outer gear rings are fixed on the water wheel positioning rings; the water turbines are respectively installed in the semicircular water wheel positioning convex-edged grooves of two water turbine supports by virtue of the water wheel positioning rings at two sides; the water turbines are supported on the two water turbine supports by virtue of bearing seats and bearings at two ends; the generator is fixed on one of the water turbine supports; the input shaft of the generator is provided with a generator driving gear; the generator driving gear is meshed with the water wheel outer gear rings, thus a unit generator set is formed; and a plurality of unit generator sets are arranged along a river, thus the water power regeneration generator set can be formed. The water power regeneration generator set provided by the invention has the advantages of less investment, rapid effectiveness, changeable size of scale, no water resource consumption, no pollution, low cost and good economic effect; the transverse power of water flow can be fully utilized, the natural power of water flow can be regenerated multiple times, and can be expanded limitlessly downstream and constructed by stages.

An ear vagus nerve stimulation system that generates a new stimulation waveform, the system includes a power supply, a display module, a key module, a control module, a music rhythm extraction system, a pulse unit generator, a modulation module, an amplifier circuit and an output electrode. The human-computer interaction module is composed of power supply, display, button and control module, which mainly completes parameter adjustment, music selection and stimulation on and off; the control module and the PC carry out information interaction through the data line to replace the stored music; the pulse unit generator generates The pulse unit required by the parameters is transmitted to the modulation module; the modulation module receives the pulse unit and modulates the music rhythm and energy, and the final stimulation waveform is amplified by the amplifier circuit and output by the output electrode. Extracting rhythm and other information from the music to modulate the basic stimulation waveform unit to obtain the stimulation waveform can meet the requirements of the nerves for the stimulation waveform, and at the same time can produce emotional fluctuations as the music changes.

The invention discloses an intermediate-pressure cylinder rapid starting system for a thermal power generation unit set. In the system, a steam-water system of a thermal power plant unit generator set is improved specific to a set adopting an intermediate-pressure cylinder starting way. The improvements are that: a cutoff valve (V1) and a regulating valve (V2) are added on an original reheated steam pipeline of a steam turbine of the set; a branch is added on a condensed water pipeline of the set, and condensed water flowing through the regulating valve (V5) is supplied to an adjacent set steam condenser; a branch is added on a main steam (or reheated steam) pipeline of an adjacent set, and steam flowing through a cutoff valve (V3) and a cooling and decompressing valve (V4) is supplied in front of an intermediate-pressure main steam valve of the steam turbine. By adopting the system, the starting grid-connection time of a coal burning (thermal) power plant unit set can be shortened, and the peaking performance of a coal burning (thermal) generator set is improved.

The invention discloses a method for evaluating the throughflow characteristic of insulated water diversion pipes of a generator stator winding. An evaluation method in which an ultrasonic flow meter is adopted to measure the flow is mainly adopted at present, and the method must be executed after the unit shuts down and the tester enters a generator stator. The water outlet temperature of each insulated water diversion pipe of the generator stator winding under different water inlet temperatures of stator cooling water is measured, and the mean and standard deviation thereof are calculated as characteristic parameters for evaluating the throughflow characteristic of the insulated water diversion pipes of the generator stator winding. The method can be used for evaluating the throughflow characteristic of the insulated water diversion pipes of the generator stator winding in capital construction debugging or overhauling of a large-sized unit generator, thus making reasonable arrangement for subsequent safety operation and overhauling measures.

The invention discloses a compound type two-stage lithium bromide absorption type heat pump and a working method. The lithium bromide absorption type heat pump comprises two lithium bromide heat pumpunits which are mutually connected; the first lithium bromide heat pump unit comprises a first evaporator, a first generator, a first absorber and a first condenser which are mutually connected; the second lithium bromide heat pump unit comprises a second evaporator, a second generator, a second absorber and a second condenser which are mutually connected; and the output end of a heat exchange pipe of the first absorber sequentially communicates with heat exchange pipes of the second absorber, the second condenser and the first condenser. The invention further discloses the working method of the compound type two-stage lithium bromide absorption type heat pump. On the one hand, under the conditions that medium warm water and low warm water conditions are certain, the temperature of the unit generators is reduced, and the service life of the units is prolonged; on the other hand, the steam discharge range of the units is enlarged, the type selection of the units is reduced advantageously, and the cost is reduced; and the units are very convenient to manufacture.

The invention provides an electrode boiler combined energy storage facility power grid frequency modulation system comprising a power grid and a power plant frequency modulation control module, an electrode boiler power control cabinet and an electrode boiler and heat output module; the electrode boiler power adjusting response speed is fast; the electrode boiler is combined with a machine unit; the electrode boiler electricity consumption load power is fast elevated to realize machine unit on-grid energy fast load responses, thus preventing operation difficulty increases and machine unit life reduction caused by machine unit self frequency modulation measures like machine unit steam engine control valve and steam engine rotating speed rapid changes caused by frequency modulation AGC and DEH adjustments, and high-low add switches; the hot water or steams heated by the electrode boiler can provide heat supply in winter; for a straight condensing unit or a summer thermoelectricity combined production unit, the hot water or steam can be conducted to a corresponding power plant thermal system according to temperature and pressure, thus using the electrode boiler to combine with the unit generator in all seasons, and enabling the machine unit to fast respond to the power grid frequency modulation demands.

A method, apparatus, system, and article of manufacture provide the ability to generate a texture unit for seamless tiling. A source image is obtained. A sample unit is identified from part of the source image where texture is of interest. The sample unit has multiple pixels including non-continuous border pixels and continuous pixels. The sample unit is split into multiple parts using a horizontal cut and/or a vertical cut. A shuffled sample unit is generated by moving each of the multiple parts to a center-symmetric position based on the horizontal cut and/or the vertical cut. The moving/shuffling moves the non-continuous border pixels to a center, and the continuous pixels to borders of the shuffled sample unit. A mask is generated by selecting the multiple pixels from the sample unit. The mask is overlaid on top of corresponding pixels in the shuffled sample unit to generate the texture unit.

A system for providing a background advertisement to a virtual key input unit on an information communication terminal supporting a touch user interface (TUI) is provided. The system comprises an advertisement providing server configured to provide advertisement contents and the information communication terminal. The information communication terminal further comprises a processor, a display configured to display a key input method, a transparent skin input unit generator executed by the processor and configured to generate a transparent skin input unit, an advertisement contents skin generator executed by the processor and configured to generate an advertisement contents skin, a skin combiner executed by the processor and configured to combine the transparent skin input unit and the advertisement contents skin, and a wireless connection detector configured to detect whether free wireless access is available to the information communication terminal and notify a result to the user.

The invention relates to a Siemens 9F gas turbine combined cycle unit constant exhaust cylinder temperature clutch engagement control method. The method comprises the steps that 1) an SSS clutch is adopted for engagement between a unit generator and a gas turbine; 2) the unit lubricating oil temperature is set as T, the absolute vacuum degree corresponding to T is P1, the ambient atmospheric pressure is P0, and before the SSS clutch is engaged with a gas turbine shaft, the relative vacuum degree set value of the gas turbine is P2; and 3) the relative vacuum degree set value P2 of the gas turbine is obtained through calculation by means of above two formulas, and the relative vacuum degree of the gas turbine is set at P2. The control method provided by the invention has the beneficial effects that the operating method provided by the invention is simple and feasible, and a bearing bush body or a system do not need to be modified; no equipment modification needs to be performed on a gas turbine unit, no extra input cost is needed, operation is easy, only the vacuum needs to be broken appropriately in the unit starting process, the swell capacity of a #8 bearing mounted in a condenser is increased, thus, vibration in the unit starting process can be effectively reduced, and therefore, the safety and stability of the unit are guaranteed.

The invention discloses a reactive power control method for thermoelectric unit generators. The method includes: detecting whether a timing cycle is reached or not, and starting a subsequent step after the timing cycle is reached; sending a pre-regulating command including generator reactive power regulating target parameters to each generator in a thermoelectric unit; enabling each generator to receive the pre-regulating command, generate pre-regulating amount thereof and feed back the pre-regulating amount; receiving the pre-regulating amount fed back by each generator, judging whether the pre-regulating amount is within the allowed range or not, and as for the pre-regulating amount in the allowed range, generating formal regulating amount including a generator number based on the pre-regulating amount; as for the pre-regulating amount beyond the allowed range, recording the generator number without generating the formal regulating amount; sending the formal regulating amount, and after each generator receives the formal regulating amount, enabling each generator to regulate an excitation regulator according to the formal regulating amount accordant to the number thereof to increase or decrease excitation current so as to regulate reactive power; and repeating the steps.

The invention discloses an on-line monitoring device based on an F level gas-steam combined unit generator rotor, the on-line monitoring device comprises a position sensor which is electrically connected with the generator rotor and is characterized in that a voltage transmitter is connected to the signal output end of a position sensor, and a real-time monitoring structure of the generator rotoris formed; a signal input end and two signal output ends are arranged on the voltage transmitter, the signal input end is connected with the signal output end of the position sensor, one signal outputend is connected with the control signal input end of a DCS, and the other signal output end is connected with the control signal input end of a fault recorder; the fault recorder is used for recording the data information of the position sensor in the operation process; the DCS is used for monitoring a picture to draw the waveform image-text of the position sensor signals; an image-text type on-line monitoring structure is formed. The on-line monitoring device based on the F level gas-steam combined unit generator rotor has the advantages that the position sensor is monitored in real time and the starting failure is prevented.

The invention discloses an online voltage stability early warning method based on Thevenin equivalence, including: S1, establishing a Thevenin equivalent system S2 between each unit generator on an online voltage system side and a target node voltage; S2, according to the Thevenin equivalent system in the S1, calculating the sensitivity of the electromotive force of each unit generator on the online voltage system side in the S1 to the target node voltage; S3, calculating an online node voltage stability margin value based on the sensitivity in the S2; and S4, setting a threshold value, comparing the stability margin value in the S3 with the threshold value, obtaining an online voltage stability result based on a comparison result, and giving an early warning for a circuit network where the online voltage is located according to the result.

The invention relates to a grinding device of an upper guide bearing bushing and a lower guide bearing bushing of a hydroelectric unit generator, belonging to the technical field of hydraulic generators. The grinding device of the upper guide bearing bushing and the lower guide bearing bushing of the hydroelectric unit generator is characterized in that the grinding device is in a fan-shaped and semi-box-type structure and is provided with a circular steel plate with the radian of 40-60 degrees, and wedge-shaped chamfers are formed at both ends of the circular plate which is provided with a former at the inner side. The invention has the advantages of simple structure, smaller size, light weight, cost saving, good safety, short mounting period, high production efficiency, high grinding quality of the guide bearing bushing, and the like.