摘要:
A system for controlling the speed of a DC motor so that the material fed to a rotary cutter is successively cut to desired lengths. The speed of the rotary cutter driving DC motor is controlled in accordance with a rotary cutter speed control pattern which is determined by the relation between the length of the rotary cutter circumference and the length to which the material is to be cut. This rotary cutter speed control pattern is provided in the form of speed command signals in accordance with a function output derived by setting the length of the rotary cutter circumference, the length to which the material is to be cut and the cutting distance during which the rotary cutter speed and the material travel speed synchronize with each other. The system also accomplishes the necessary control for correcting any error caused between the speed control pattern and the actual rotary cutter speed as well as the required acceleration control of the motor in accordance with the speed control pattern.
摘要:
A process for preparing a therapeutic agent characterized by preculturing human amnion cells isolated from human amnion by trypsinization or human amnion cells obtained by subculturing the isolated cells in a medium containing calf or bovine fetal serum at least one time for 1 to 5 days to form a monolayer, removing the medium, adding a medium containing 0.5 to 20 mg of human serum albumin per 1 ml of medium thereto and culturing it for 3 to 6 days, dialyzing the culture liquid against diluted buffer or water, and filtering the dialyzed culture liquid through a bacterial filter thereby obtaining a germ free liquid agent.
摘要:
A high adsorption capacity phenolic chelate resin consisting of a heavy metal-adsorbing phenolic chelate resin, containing iminodiacetic acid groups in the phenol nuclei, and having an adsorbability to a heavy metal in the proportion of at least 1.2 m equivalent per g of dried terminal Na type resin, said phenolic chelate resin being prepared from phenols, aldehydes and iminodiacetic acid.
摘要:
A method and an apparatus for measuring the number of a plurality of stacked corrugated cardboards. The one end of the stack is scanned horizontally and vertically by a photoelectric sensor, consisting of an array of 64 photodiodes switched in turn by electric pulses, for example, and the outputs of the photodiodes are counted and compared so as to successively detect the flat sheets and the corrugated sheets of the stacked corrugated cardboards. A counting and or a display device are operated in accordance with the order of the results of above detecting operations of the flat sheets and the corrugated sheets.
摘要:
A switching controller for circuit breaker in which a switching control arithmetic operation unit performs arithmetic operations to determine for each circuit breaker a synchronous delay count value which is sent to each switching command control unit of the corresponding circuit breaker, which upon receiving a switching command signal from a superordinate device, counts the synchronous delay count value D, to turn on a semiconductor switch of the switching command output unit after counting completes. The switching command signal (circuit breaker drive current) is output after the synchronous switching control to the circuit breaker drive coil of the circuit breaker. The switching controller can implement cost saving and space saving, even if switching of a circuit breaker in a lower branch system, such as a power distribution system, is controlled.
摘要:
The system of the invention includes a circuit breaker switching control section (100) and a setting control section (700) connected therewith through a communication network (500). The circuit breaker switching control section (100) transmits a circuit breaker state quantity acquired by a signal input section (120) through the communication network to a set value calculation section (740) of the setting control section (700). The set value calculation section (740) of the setting control section calculates a set value to be set in the switching control section (100) of the circuit breaker, using the state quantity of the circuit breaker that was transmitted thereto. The setting control section (700) transmits to the circuit breaker switching control section the set value calculated by the set value calculation section (730) through the communication network. A switching control calculation processing section (140) provided in the switching control section of the circuit breaker corrects the circuit breaker switching actuation time in accordance with this set value and calculates a delay time in respect of the zero-cross point in accordance with this corrected switching actuation time and power system period.
摘要:
To suppress the magnetizing inrush current occurring when supplying power of three phases of the transformer are performed simultaneously using three single-phase circuit breakers or a non-phase segregated operation-type circuit breaker, without providing a circuit breaker with a resistor or other equipment. A magnetizing inrush current suppression method for transformer suppresses a magnetizing inrush current occurring at the start of energizing of a three-phase transformer 300, when a three-phase power supply 100 is input to a terminal of each phase by means of a three-phase circuit breaker 200. In the method, by integrating phase voltages or line-to-line voltages on the primary side or the secondary side or the tertiary side when three-phase AC voltages are applied in a steady state to the transformer 300, steady-state magnetic flux 4, 5, 6 for each phase of the transformer is calculated, and the polarity and magnitude of the residual magnetic flux 7, 8, 9 of each phase of the transformer after the circuit breaker 200 shuts off the transformer are calculated, and the three-phase circuit breaker is caused to close simultaneously in a region 13 in which three phases overlap, each of the three phases having the polarity of the steady-state magnetic flux 4, 5, 6 equal to the polarity of the residual magnetic flux 7, 8, 9 for each phase of the transformer.
摘要:
A first calculation part calculates the phase-to-phase steady-state magnetic flux of the three phases of the power supply. A second calculation part calculates the phase-to-phase residual magnetic flux of the three phases in the primary windings side of the transformer when the circuit breakers interrupt the transformer. A phase detection part detects a voltage phase at which polarity and magnitude of the calculated steady-state magnetic flux and residual magnetic flux coincide. Closing control part firstly causes only the circuit breakers of the two phases to close at the detected voltage phase, and then causes the circuit breaker of the remaining one phase to close.
摘要:
A charge managing system including an image forming apparatus and a charge managing server is provided. The image forming apparatus includes plural applications each configured for executing a specific process on input data, a counter unit that counts a number of result items output as a result of executing at least one of the applications, a count value storage unit that stores a count value corresponding to the number of result items counted by the counter unit, and a storage area setting unit that secures a plurality of storage areas within the count value storage unit each of which storage areas is configured for storing a corresponding count value obtained for each of the applications. The charge managing server manages charging a fee for using the image forming apparatus based on the corresponding count value stored in each of the storage areas secured for each of the applications.
摘要:
In some embodiments, a method is disclosed that includes measuring a waveform of a power source side voltage of a circuit breaker; measuring a waveform of a transmission line side voltage of the circuit breaker; calculating a waveform of a voltage between contacts of the circuit breaker that is a difference between the waveform of the power source side voltage and the waveform of the transmission line side voltage; calculating a waveform of an absolute value of the waveform of the voltage between contacts; extracting a waveform of a component in a frequency band which is lower than a frequency of the power source and higher than a frequency of a DC component from the waveform of the absolute value; detecting a cycle of the extracted waveform; and closing the circuit breaker based on the cycle.