Voltage conversion method specially feasible for the transformation of low voltages to high voltages by means of a switching converter.
A transducer for convening an AC voltage to a DC voltage to obtain a DC output voltage which is in response to an AC input voltage.
The system determines q-axis voltage V*q and d-axis voltage V*d according to power supply voltage Ed so that the q-axis current i*q and d-axis current i*d thus determined flow to the motor.
The voltage output is applied to a comparator (28) which also receives the output ramp voltage of a ramp circuit (76, 78) based on the motor supply voltage.
The voltage is a square wave having a pulse frequency of 10 to 15 Hz, a top voltage of about 50 to 85 V and a pulse length of about 5 ms.
The voltage transfer function is M = (D/(1-D)), characteristic of the buck-boost (flyback) converter.
An automatic protocol (AP) for a USB charger is provided, that enables recognition of the voltage pin (D-) and pin (D+) needs of the device being charged, and controls the voltage level to charge the device, based on the recognized voltage needs.
The voltage transfer function is Eout = Ein (D/(1-D)), characteristic of the buck-boost (flyback) converter.
The error signal is provided as feedback to control (650) a frequency of the drive voltage.
The write holes become trapped in the P memory region when the low write voltage on the row gate is replaced by a higher storage voltage.
The said induced high voltage is rectified and filtered through the diode D and capacitance C to produce negative high voltage near ten thousand high voltage.
By determining the difference between the average voltage across the resistors, the error voltage (26) can be generated for controlling the physical parameter.
The deflection voltage correcting unit is controlled by at least a correction signal derived from an input voltage of the voltage control circuit.
The characteristic is assigned with an identifying variable, in a disclosed embodiment voltage, which increases.
A DC voltage instruction (Vdc*) is generated by a voltage instruction calculation unit (710) according to the d-axis voltage instruction value (Vd*).
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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