Circuit Breaker Making Capacity
April 25, 2016
During short circuit, circuit breaker contacts opens and automatically closes after few cycles to determine whether the fault is cleared....
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Advantages of Three Phase System Compared to Single Phase System
April 24, 2016
Three phase system is widely used in generation, transmission and distribution. Single phase system is only used to operate small...
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Difference between Current Transformer and Potential Transformer
April 24, 2016
Current Transformers (CT) and Potential Transformers (PT) are used to measure the current and voltage in a circuit of the...
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Electrical Contactor, Switch, Circuit Breaker
April 24, 2016
An Electrical Contactor is a switch. In simple words contactor is a switch which closes its contacts with the help...
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Advantages & Disadvantages of Fuse in a Electrical Circuit
April 24, 2016
Fuse is the cheapest protection device in electrical circuit against short circuits and overloading of circuits. Fuse is a metal...
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Advantages of Valve Regulated Lead Acid (VRLA) Batteries
April 24, 2016
Valve Regulated Lead Acid (VRLA) Batteries are popularly termed as maintenance free lead acid batteries. Each cell in VRLA battery...
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Advantages of Star and Delta Systems
April 24, 2016
In a 3-phase system the alternators or generators may be star connected or delta connected. Likewise 3-phase loads may be star connected...
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Worldwide Voltage & Frequency Values
March 4, 2016
The voltage and frequency of alternating current (AC) electricity used in homes varies from country to country throughout the world....
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Formula of AMP, KW, KVA, HP for AC and DC Voltages
March 4, 2016
Formula of AMP, KW, KVA, HP for AC and DC Voltages
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Top 10 Common Mistakes on Electrical Systems
February 9, 2016
1. Thinking that it’s “only 120 volts” or 208 volts or 480 volts or… Dr. A.G. Soto, consulting physician to...
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