What is nominal voltage?

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It is the rated voltage of an electric equipment. It is the voltage at which the device is designed to operate.

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Nominal means 'named'. So a nominal voltage is the 'named' voltage. For example, the nominal voltage of the supply system in Britain is 230 V. But its actual value is allowed to vary between 216.2 V and 253.0 V.
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Why is it not good to operate a transformer above its nominal voltage?

Overexcited Transformer. Operation above the rated supply voltage causes the ferromagnetic core to enter saturation; this means that the primary inductance is reduced and sin

Can i use a circuit breaker with 420V nominal voltage in 520V line voltage nominal current of circuit breaker is 1600A if I can how much current can pass from this circuit breaker?

NO! NO! NO!. The circuit breaker must be rated for the line voltage used. Exceeding this limit can cause catastrophic failure!. If you are really working on a 1600A bus, sto

What are nominals?

Nominals are found in the Australian language and do notdifferentiate nouns from adjectives. Nominals relate to a noun orany word group that functions as a noun.

What is nominal line voltage?

'Nominal' means 'named'. So a 'nominal' voltage is the named voltage of a system. For example, when we talk about a 120-V or 240-V system, we are describing their nominal valu

What is meant by nominal current or nominal voltage?

The word nominal means the lowest possible safe amount. So, nominalcurrent or nominal voltage is the lowest amount necessary toperform an electrical function like keeping a li

What is nominal zener voltage?

A zener diode has a voltage when it reachesbreak over it may be 5v 12v or other voltage as manufactured. The manufacture will produce a 5v zener or is it? This voltage can ch

What is difference between nominal and terminal voltage?

The rated voltage of a motor listed on the nameplate is called the terminal voltage. This indicates the actual voltage on the motors terminals at which at which the manufactur

What is the nominal supply voltage?

The term, 'nominal', simply means 'named'. For example, the nominal supply voltage for a residence in the UK is 230 V . But this doesn't mean that the actual supply volta

What is the nominal zone circuit voltage in an Addressable Fire Alarm System?

When we discuss fire panels and "nominal" voltage on a circuit we must first determine what type of circuit. Addressable panels can have varied circuits that all perform diffe

What is the Difference between nominal voltage and operating voltage?

Nominal voltage is the 'named' voltage -for example, the nominal supply voltage in the UK is 230 V. But this is not necessarily the actual voltage at a particular time. A n
In Home Electricity

Are 250 voltage reading considered to be nominal 240 volts?

Different countries have different legal limits to how much their electricity supply voltages may vary. In the UK, for example, the nominal supply voltage for residential supp
In United States of America

What is nominal voltage in the US?

AC current to residences in North America is 110 volts at 60 hertz, but 220 V and 440 V are available for industries that need it.