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IP = Ingress Protection and the simple definition would be:

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Do you protect the primary or secondary? In perspective: Yes there are different types of transformers like say auto transformers – but in any and now that I think about it – I am sure this will apply to all types of transformers, and yes there might be the safety occasions when it is unsafe […]

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I promise you will never forget this any more! kW = voltage x current x pf We say the better the power factor i.e. the closer to 1 the better… So: Say 34.4kW= 400V x 100amp x 0.869(pf) Say 40kW= 400V x 100amp x 1(pf) – You get more kW with bad power factor…or do […]

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Nice anecdote to explain PF in electricity. 

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There are many who has answered this question before:- Most say relays are JUST smaller brothers of contactors. Others say:- Up to a certain amperage (30/40Amp) it is a relay and beyond that it is a contactor. Others say:- In the construction, the relay coil sits on the side and a contactor it sits in […]

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Across the world power utility companies provides us electricity in different formats but fundamentally they are all the same. From the turbine driven alternators comes three lines with high voltage, which will first be stepped up using transformers, enabling efficient transporting over kilometers, then dropped via transformers to lower to usable/safer levels of voltages .e.g. […]

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Tripping curve

  At first I am a bit confused…why it does not trip? So I ask:- Ok help me out here…

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So Mr. E. came back from the auction with a old “new” machine. Placed it in the factory and looks around for an electrical point to connect the machine. Ahh, here is one closest to this electrical board. Oh damn, need a circuit breaker! Excited for the new machine the electrical holesaler gets called. ===>>>OOPS…You are […]