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Direct torque control (DTC) is one method used in variable-frequency drives to control the torque (and thus finally the speed) of three-phase AC electric motors. This involves calculating an estimate of the motor's magnetic flux and torque based on the measured voltage and current of the motor.
A capacitor is a passive device on a circuit board that stores electrical energy in an electric field by virtue of accumulating electric charges on two close surfaces insulated from each other. This is a list of known capacitor manufacturers, their headquarters country of origin, and year founded. The oldest capacitor companies were founded ...
The commission was created in 2003 and is responsible for the setting of gas, petroleum oil and electricity prices in Bangladesh. As the regulator, it also arbitrates disputes in the energy industry. [2] Its approval is needed for any changes in the price of electricity, gas and petroleum oil. [3] The Energy Security Fund is under this agency. [4]
Since 1972, electricity in Bangladesh had been produced and managed by the Bangladesh Power Development Board under the Ministry of Power, Energy and Mineral Resources. Meghnaghat Power Company limited was created by the government as part of an effort to create subdivisions of the Bangladesh Power Development Board and divide its ...
Capacitors for AC applications are primarily film capacitors, metallized paper capacitors, ceramic capacitors and bipolar electrolytic capacitors. The rated AC load for an AC capacitor is the maximum sinusoidal effective AC current (rms) which may be applied continuously to a capacitor within the specified temperature range.
Bangladesh will need an estimated 34,000 MW of power by 2030 to sustain its economic growth of over 7 percent. [5] Problems in Bangladesh's electric power sector include high system losses, delays in completion of new plants, low plant efficiency, erratic power supply, electricity theft, blackouts, and shortages of funds for power plant ...
The condenser’s installation and operation are identical to large electric motors and generators (some generators are actually designed to be able to operate as synchronous condensers with the prime mover disconnected [2]). Increasing the device's field excitation results in its furnishing reactive power (measured in units of var) to the ...
A decoupling capacitor provides a bypass path for transient currents, instead of flowing through the common impedance. [1] The decoupling capacitor works as the device’s local energy storage. The capacitor is placed between the power line and the ground to the circuit the current is to be provided.