Stepper Motor Applications

Stepper Motor Applications: The microprocessors are employed for the control of stepper motors which are generally used as position actuators. Some other Stepper Motor Applications are to drive floppy discs,…

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Control of DC Drives Using Microprocessors

Control of DC Drives Using Microprocessors: The dc motors fed from thyristor converters for variable speeds are being ex­tensively used in general industrial applications. A dual converter, which is a…

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Block Diagram of Electric Drive System

Block Diagram of Electric Drive System: It is normal practice in control engineering to represent a control system by means of a Block Diagram of Electric Drive System, with a…

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Power System Protection and Switchgear Articles

Power System Protection and Switchgear Articles: This Power System Protection and Switchgear Articles which includes the following topics: Basic Ideas of Protection Relay Fault Meaning Zone Protection Essential Qualities of…

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Four Quadrants Converters

Four Quadrants Converters: Four Quadrants Converters - The converters described in the previous sections are suitable either for one quadrant or two quadrant operation. In the former case stepless speed…

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3 Phase Relays

3 Phase Relays: In a 3 Phase Relays, it is economical to build it on a single phase basis. Thus there will be three converter elements, one for each phase,…

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Instruction Cycle of 8085 Microprocessor

Instruction Cycle of 8085 Microprocessor: During normal operation, the microprocessor sequentially fetches, decodes and executes one instruction after another until a halt instruction (HLT) is executed. The fetching, decoding and…

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8085 Microprocessor Architecture and its Operations

8085 Microprocessor Architecture and its Operations: Fig. 1.1 shows the 8085 Microprocessor Architecture. It consists of various functional blocks as listed below : Registers Arithmetic and Logic Unit Instruction decoder…

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