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Matches 1,551 - 1,600 out of 13,794

Document Document Title
JP2009220807A5  
JP2012509052A
An electric brake system for an electromechanical machine connected to output terminals of an inverter, input terminals of which are supplied by a DC voltage source. The system includes an electrical circuit connected between the input t...  
JP4912688B2
The method involves comparing a voltage value measured on a DC bus with a determined limiting value by a comparator (10). Slope of an internal ramp (R) is forced to zero value when the voltage value is higher than the limiting value, in ...  
JP4912516B2
Included are a power converter 2 for driving an induction machine 1, a control unit 40 for controlling the power converter 2, and a brake force command computing unit 6 for computing a brake force command. The control unit 40 includes a ...  
JP2012066084A
To prevent partial discharge between coils in a gradient magnetic field coil assembly for Magnetic Resonance Imaging and Spectroscopy (MRIS).The assembly 2A includes a first coil layer including a first conductive coil part 3X and a seco...  
JP2012055981A
To stop a servo motor immediately with a dynamic brake and a mechanical brake, while controlling a load on a connection part between the servo motor and a reducer, when an angle sensor falls in an abnormality.When the abnormality of the ...  
JP4902514B2
To detect resistor disconnection without enlarging a circuit scale. Output of a main power generator 2 is converted into a DC current by a commutator 3 and a smoothing capacitor 4 so as to drive an AC electric motor 6 by converting the D...  
JP2012052320A
To provide an electric construction machine capable of starting an electric motor even when a temporary step-down occurs in an external power source when starting the electric motor.The electric construction machine includes an electric ...  
JP4898275B2  
JP2012050333A
To provide a driving device for permanent magnet synchronous motors capable of reducing the cost by suppressing a regeneration voltage generated when the permanent magnet synchronous motor is rotated forcibly without increase of the numb...  
JP2012050332A
To provide a driving device for permanent magnet synchronous motors capable of reducing the cost by suppressing a regeneration voltage generated when the permanent magnet synchronous motor is rotated forcibly without increase of the numb...  
JP2012050165A
To prevent damage of a stator winding of a motor even when seizure occurs in a contact of a motor drive switch.In the motor drive switch, in starting operation of the motor, timing when a first contact 21 is switched to a terminal (3) on...  
JP2012050249A
To provide a motor driving device capable of surely reducing a deceleration time within a variable speed operation range in a simple configuration.The motor driving device comprises: an AC motor 2 that drives a machine with square torque...  
JP4893075B2  
JP2012041905A
To provide a fan motor used for an all air system (duct system) air conditioner and useful for energy saving.The fan motor 1 is provided with a shaft 21 connected to the fan 11a of a blower 11 and a motor body 22 for rotatively driving t...  
JP2012044835A
To provide an inverter device capable of protecting an inverter main circuit from a regenerative energy.A voltage control circuit calculates a command value Vc of a voltage output to an inverter part driven by an AC motor 4 in an analog ...  
JP4884534B2
An electric power processing device is provided with an induction heating device (9) that is comprised of an induction heater driving inverter (16) with which an electric power source rectifying capacitor (2) connected in parallel with i...  
JP2012039865A
To provide a motor controller used for a mechanical analog-type indicator, capable of realizing a pointer-type indicator that is visually comfortable by allowing a pointer to move smoothly.When a data reception unit 10 receives plural pi...  
JP3173826U
[Subject] When electric braking operation through a rectifier of a drive motor is impossible, an electrical brake device of machinery which processes a printing material which realizes the most uniform possible brake process is provided....  
JP4879237B2  
JP4876162B2  
JP4865054B2  
JP4868822B2  
JP2012016274A
To provide a motor drive controller capable of protecting itself from an electromotive force of a motor generated by the rotation of a fan rotated by external wind, increasing the number of turns of a motor coil, and suppressing a motor ...  
JP4856508B2  
JPWO2010016176A
Even if big regeneration resistance or heat sink of capacity are not adopted or it does not use FAN with the bigger amount of winds, The vacuum pump which carries a motor driver circuit [that it is compact and low cost] and the motor dri...  
JPWO2010016176A1
容量の大きな回生抵抗やヒートシンクを採用 したり、より風量の大きなFANを使用しな くても、回生抵抗の発熱を仕様温度範囲に抑 制でき、適正なブレーキ時間を得つつ、...  
JP2012010472A
To provide a motor brake device which determines timing to brake to brake a motor, and a motor control method.The motor brake device includes: a voltage detection part 15 which detects a between-terminal voltage between terminals 2a of a...  
JP2012010557A
To provide a drive control method for an electric motor capable of making heating temperature of each phase coil uniform by controlling drive to make stop time of a motor at a load holding stop position uniform for each phase coil.A cont...  
JP4850951B2  
JP2010104187A5  
JP2010161871A5  
JP4845881B2  
JP4847108B2  
JP2011259577A
To lower a rotational speed of a turbine rotating by inertia as rapidly as possible.This power generation system includes: a main generator 10 that generates electric power to be transmitted to a power system; an auxiliary generator 40 t...  
JP2011256980A
To reduce image fluctuation by an external force by eliminating backlash during stop and to smoothly perform rotational drive with a low load by securing the backlash during operation.A speed reducing device includes: a worm wheel 7 to w...  
JP2011259569A
To provide a motor control system equipped with an invertor and a smoothing capacitor connected to a DC power, and an AC motor driven by the invertor preventing an unintended rotation of the AC motor when the AC motor consumes electric e...  
JP2011251595A
To provide an apparatus and method for driving an electric propulsion ship that controls stop by a simple method without abruptly changing a voltage of a power bus of an inboard power supply.The apparatus for driving an electric propulsi...  
JP2011250692A
To provide a motor drive controller that can be protected from a motor electromotive force generated by the rotation of a fan by outside wind and reducing a motor current by increasing the number of turns of a motor winding.A motor drive...  
JP2011250612A
To provide a rotational motion control device which can stably maintain rotation brake characteristics with resistance capable of easily adjusting continuous variables without a maintenance for a long term, and to provide a camera platfo...  
JP2011244557A
To provide a power conversion device consisting of multiple inverters without power regeneration capability which can generate a prescribed braking torque for decelerating an AC motor in both cases where the AC motor rotates at a high sp...  
JP4826946B2  
JP4822756B2  
JP2010088788A5  
JP2011233634A
To provide a component mounter in which power consumption is reduced as compared with a conventional one by effectively utilizing regenerative electric power generated when an equipped motor is decelerated and stopped.The component mount...  
JP2011234481A
To provide a discharge device in which power loss is reduced and an air conditioning device including the discharge device.In a discharge device 9 of a power circuit 10 which is mounted on an air conditioning device and which supplies a ...  
JP4817084B2  
JP4818847B2  
JP4817116B2  
JP2011229359A
To generally correspond to industrial machinery of various system structures, and to easily ensure adherence to a safety standard.A motor control device 13 and a safety module 14 comprise a motor control circuit portion 31 controlling th...  

Matches 1,551 - 1,600 out of 13,794