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Electric Converter

Electric Converter: Electric Converter - The speed of a dc motor can be varied by varying the armature voltage or the field current, for which a variable dc supply is…

Types of Protective Relays: Basically, Types of Protective Relays are analogue-binary signal converters with measuring functions. The variables such as current, voltage, phase angle or frequency and derived values obtained…

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…

Choice of Electrical Drives

Choice of Electrical Drives: Choice of Electrical Drives depends on a number of factors. Some of the important factors are: Steady state operation requirements: Nature of speed torque characteristics, speed…

Types of Electrical Drives

Types of Electrical Drives: Types of Electrical Drives has the following major parts: load, motor, power modulator, control unit and source. There are large number of loads and each load…

DCS System

DCS System: A DCS System is preferred over a central computer system for the following reasons. Central Computer System (CCS) exposes the plant to the risk that the system might fail.…

Sensors Based Computer Data Systems

Sensors Based Computer Data Systems: This Sensors Based Computer Data Systems describes hardware/software which is commercially available at several levels of completeness, ranging from single board computer "front ends" to…

Compact Data Logger

Compact Data Logger: Compact Data Logger - A typical unit provides 60 channels of data in a 20 x 40 x 60 cm box weighing about 20 kg. Most manufacturers…