Electrical
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Basics of Motor Control
Introduction The energy distribution systems used in large commercial and industrial applications can be complex. Power can be distributed through…
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Introduction to Induction Motor
Introduction One of the most common electric motors used in most applications is known as an induction motor. This motor…
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Introduction to Electrical Power Transformer
Definition of Transformer A transformer is a static machine used for transforming power from one circuit to another without changing frequency. This…
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What is Microprocessor Based Relay?
Introduction Microprocessor relays provide many functions that were not available in electromechanical or solid-state designs. Relay logic is very important…
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3 PHASE Transformers – different connections
What are transformers? The transformer is a static piece of apparatus which transfers electrical energy from one circuit to another,…
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Vacuum Circuit Breaker or VCB
Introduction A circuit breaker is a device that interrupts an electrical circuit to avoid unwanted currents, caused by a short…
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How to reduce electromagnetic interference noise?
What is Noise? Noise is defined as an undesirable electrical signal that distorts or interfere with an original signal. Noise can…
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AC Adjustable Speed Drives
Introduction An adjustable speed drives (ASD) is a device used to provide continuous range process speed control (as compared to discrete speed…
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High resistance measurement using Megger
What is meggar instrument? Megger is used to measure very high resistances, such as those found in cable insulation, between…
Read More » How to reduce measurement noise?
There are a lot of possibilities for combining unwanted signals in process variable and other information signals from the industries…
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