Prime movers are divided into two classes for generators-high-speed and low-speed. Steam and gas turbines are high-speed prime movers, while internal-combustion engines, water, and electric motors are considered low-speed prime movers. The type of prime mover plays an important part in the des...
General description Liquid-cooled OSWALDasynchronous motorsand generators series FQD are particularly suitable when heavy demands are placed on a drive system. The motors are designed for wide speed range and high dynamic operation. OSWALD 4-pole FQD motors in power ranges from 1kW to 700kW a...
We investigated the effect of external magnetic fields (alternating current (AC) and direct current (DC) MF) on the neuronal viability, differentiation, ... EAM Alabed 被引量: 0发表: 2018年 Learning to Solve AC Optimal Power Flow by Differentiating through Holomorphic Embeddings Alternating curren...
Electric Motor Control: DC, AC, and BLDC Motors introduces practical drive techniques of electric motors to enable stable and efficient control of many application systems, also covering basic principles of high-performance motor control techniques, driv
The speed control method for DC shunt motors is similar to that of DC motors. The most commonly used methods are armature voltage control and field current control. Armature Resistance Control This method involves adding resistance in series with the motor’s armature. By varying the resistance, ...
(direct current) or AC (alternating current). History confirms that DC motors came before AC motors, and they came into existence only 30 years after the invention of the battery. However, like virtually every device in the field of electronics, each type possesses specific advantages and ...
For spindle electric drives with dual-zone speed control both with DC and AC motors are used. With DC electric drives the armature voltage is regulated at constant magnetic flux in the first zone, while in the second zone the flux... M Zhilevski,M Mikhov 被引量: 0发表: 2018年 Manpower...
Modern solid-state electronic circuits drive brushless DC motors with AC waveforms generated from a DC source. The brushless DC motor, actually an AC motor, is replacing the conventional brushed DC motor in many applications. And, the stepper motor, a digital version of the motor, is driven by...
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Teco Electric Motor & Electronics - Professional electric DC & AC electric motors manufacturers with 30 years experience. Teco has AC & DC motor factories in China and office in Hong Kong. Products of Teco includes TR101EX and more.