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DC Link Scherbius Drive
This type of scheme is shown in figure. This circuit allows both sub synchronous and super synchronous speed control. In case of sub synchronous speed control slip power is removed form the rotor circuit and is feedback into the ac supply whereas n case of super synchronous speed control the additional power is fed into the circuit at slip frequency.
In this drive two controlled converter bridge bridges are used in which bridge has firing angle less than 900 and bridge 2 has firing has firing angle more than 900 when sub synchronous speed control is required. In this case bridge I works as a rectifier bridge 2 works an inverter. When bridge I has firing angle more than 900 and bridge 2 angle less then 900 super synchronous speed control is obtained and bridge 1 works as an inverter and bridge 2 works as a rectifier.
State the function of RS1 and RS0 bits in the flag register of intel 8051 microcontroller? RS1 , RS0 - Register bank select bits RS1 RS0 BankSelection 0 0 Bank
How to solve questions on thevenin theorem
Q. The block diagram of Figure represents a multi loop control system. (a) Determine the transfer function C(s)/R(s). (b) For G 2 G 3 H 2 = 1, evaluate C(s)/R(s).
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i wanted the exact names of the components of the internal circuit of a 555 timer ic
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