Direct On Line Starter or DOL Motor Starter
Direct On Line Starter or DOL Motor Starter Direct On-Line motor starter is the most common and economical motor starting …
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Why AC is preferred over DC | Why is AC power used instead of DC?
Why is Alternating current or AC preferred over Direct Current or DC In our early days the main power distribution …
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Circuit Breaker-Type, Application, Rating, Working Principle, and Operation
Circuit Breaker-Type, Application, Rating, Working Principle, and Operation Circuit Breaker is a device that converts a current-carrying part into a …
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Phasor Diagram of Transformer | Transformer Loading and On-load Phasor Diagrams
Phasor Diagram of Transformer TRANSFORMER IS THE MOST USED ELECTRICAL EQUIPMENT IN THE INDUSTRY. LET US SEE A DIAGRAMMATIC REPRESENTATION …
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Relay Setting of IDMT and Instantaneous over current and earth fault Relay
Relay Setting of IDMT and Instantaneous over current and earth fault Relay Relay is a protecting device that detects any …
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Grounding Philosophy: The Path Towards Safety
WHAT IS GROUNDING? Grounding is nothing but connecting the 1. Non-current carrying electrical point (neutral) or 2. Metallic enclosure of any …
Power Factor Improvement
Power Factor Definition of POWER FACTOR: In all electrical circuits when switched on, and charged with voltage, there has always …
Phasor Diagram | Phasor diagram for leading power factor | Phasor diagram for lagging power factor | Phasor diagram for unity power factor load
Phasor Diagram Consider a transformer supplying the load as shown in Fig. 1. The various transformer parameters are, …
Transformer Vector Group Determination
Transformer Vector Group Determination of the transformer vector group is very essential before installing it for service. Transformer vector group …
Medium voltage Vacuum circuit breaker vs Medium Voltage switch fuse unit
INTRODUCTION When deciding between a medium voltage vacuum circuit breaker or medium voltage vacuum contactor for yourapplication, there are many …
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