Electrical Machines
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Scott-T Connection of Transformer
What is Scott Connection or Scott-T Transformer? Scot Connection Scott connection is a type of connection of transformer that used to get two-phase power supply from three-phase source or vice-versa.…
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Polarity Test of a Transformer – Circuit Diagram and Working
What is a Polarity Test of a Transformer? Circuit and Working of Additive & Subtractive Polarity Tests In two winding transformers, one terminal is positive with respect to the other…
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Sumpner’s Test or Back-to-Back Test on a Transformer
Sumpner’s Test or Back-To-Back Test on Transformer for Efficiency, Voltage Regulation, & Heating Effect The open-circuit test and short circuit test are performed to determine the equivalent circuit parameter. With…
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Short Circuit Test and Open Circuit Test of Transformer
Open Circuit (No Load) and Short Circuit (On-Load) Test of a Transformer As we have seen in the equivalent circuit of transformer, there are four main parameters; Equivalent resistance (R01)…
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Equivalent Circuit of Electrical Transformer
What is the Equivalent Circuit of Transformer? An equivalent circuit of a transformer is a graphical representation of a transformer circuit in which the resistance and leakage reactance are imagined…
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How to Size a Generator? Portable, Backup & Standby for Home & Commercial Applications
How to Calculate the Right Size Generator for Home and Commercial Applications? A generator is a suitable alternative to provide electric power where and when you need it in case…
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How to Calculate the Right Size Battery? Battery Bank Size Calculator
Determine the Suitable Size of Battery Bank Capacity for Solar, Home & General Applications – Example & Calculator Direct usage of renewable energy like wind and solar power is not…
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What is Motor Generator Set and How Does it Work?
M-G Set – Construction, Working, Advantages, Disadvantages and Applications What is a Motor Generator Set? Motor Generator set is a device used to convert electrical power to another form of…
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Parallel Operation of Single-Phase & Three-Phase Transformers
Needs & Conditions for Parallel Connection of Transformers In a power system network, transformers are used to step up and step-down voltage levels. The rating of a transformer is selected…
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Parallel Operation of DC Generators – Synchronization of Generators
Parallel Operation of DC Generators – Condition, Advantages and Load Sharing In a power system network, power is supplied by many generators that are connected in an interconnected network. Instead…
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