Answers about Electrical Engineering

A DC motor is typically not earthed to prevent ground loops and minimize interference with the motor's operation. Earthing could create unwanted return paths fo
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Electrical Engineering









What is voltage for magic bullet?


Asked by Anonymous



The term "magic bullet" often refers to a concept in medicine or technology rather than a specific electrical device, so it doesn't have a defined vol
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Electrical Engineering



+1









What is the difference between turns ratio and current ratio of a ct?


Asked by Anonymous



The turns ratio of a current transformer (CT) refers to the ratio of the number of turns in the primary winding to the number of turns in the secondary winding,
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Electrical Engineering









What is list of all American voltages?


Asked by Anonymous



In the United States, the standard voltage for residential and commercial buildings is typically 120 volts (V) for most appliances and outlets. However, larger
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Electrical Engineering









What is meaning for TPN isolator and SPN isolator?


Asked by Anonymous



TPN (Triple Pole and Neutral) isolator is an electrical switch used to disconnect three-phase electrical circuits, ensuring that all three phases and the neutra
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Electrical Engineering









What size power cord do i need to use if i want to use my generator to power my RV AC?


Asked by Anonymous



To power your RV air conditioner with a generator, you'll typically need a heavy-duty power cord rated for at least 30 amps, especially for most RV AC units. Th
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Electrical Engineering









What is dyn11 and dyn12?


Asked by Anonymous



Dyn11 and Dyn12 are connection configurations for three-phase transformers, indicating the phase shift between the primary and secondary windings. In Dyn11, the
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Electrical Engineering









Why are sequencers preferred over contactors in ductwork applications?


Asked by Anonymous



Sequencers are preferred over contactors in ductwork applications primarily due to their ability to provide more precise control of multiple devices, such as fa
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Electrical Engineering



+1









One horse power single phase motor is more likely to get hot than a one horse power 3 phase motor. Is it true or false if true why?


Asked by Anonymous



True. A single-phase motor typically has a lower starting torque and may operate less efficiently than a three-phase motor, leading to higher heat generation du
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Electrical Engineering









What is the synchronous speed of a four-pole motor connected to 50Hz?


Asked by Anonymous



The synchronous speed of a motor can be calculated using the formula: ( \textSynchronous Speed (N_s) = \frac120 \times fP ), where ( f ) is the frequency
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Electrical Engineering



+1









Is flux only produce in ac supply or in both ac and dc?


Asked by Anonymous



Flux is produced in both AC and DC systems, but the nature of the flux differs. In DC circuits, the magnetic flux is constant, as the current flows in one direc
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Electrical Engineering









What terminology describes the effect of a reactive load in a circuit and the change of the voltage-current timing relationship?


Asked by Anonymous



The terminology that describes the effect of a reactive load in a circuit is "phase shift." In circuits with reactive components like inductors and ca
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Electronics Engineering



+1









How is ohm's releted the power?


Asked by Anonymous



Ohm's Law relates voltage (V), current (I), and resistance (R) in an electrical circuit, expressed as V = IR. Power (P) in an electrical circuit can be calculat
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Electrical Engineering









Can you replace DY11 by DYN11 transformer?


Asked by Anonymous



Yes, you can replace a DY11 transformer with a DYN11 transformer, but it is important to consider the differences in their winding configurations and phase shif
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Electrical Engineering









What is the cable size needed to run 400V 50H 185KW delta motor?


Asked by Anonymous



To determine the cable size for a 400V, 50Hz, 185kW delta motor, you first calculate the full-load current using the formula: I = P / (√3 × V × PF), where PF is
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Electrical Engineering









What is band joint used in RMU (switchgear)?


Asked by Anonymous



A band joint in a Ring Main Unit (RMU) switchgear is used to connect and support busbars or conductors. It provides a secure electrical connection while allowin
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Electrical Engineering



+1









How-to megger a 3 phase 2 speed motor?


Asked by Anonymous



To megger a 3-phase 2-speed motor, begin by disconnecting the motor from the power supply to ensure safety. Use a megohmmeter to test the insulation resistance
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Electrical Engineering









The minimum radius of a cable tray bend is governed by?


Asked by Anonymous



The minimum radius of a cable tray bend is governed by several factors, including the type and size of the cables being used, the manufacturer's specifications,
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Electrical Engineering









What is armature or rotor?


Asked by Anonymous



An armature, often referred to as a rotor in the context of electric motors and generators, is the rotating component that generates electromagnetic force. In e
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Electrical Engineering









What is the problem of induction and how does it relate to the keyword "salmon"?


Asked by Holden Romaguera



The problem of induction is the challenge of making reliable predictions based on past observations. It relates to the keyword "salmon" because even t
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Electrical Engineering









How can I use a symbolic logic proof generator to create logical proofs efficiently?


Asked by Darrin Kozey



To create logical proofs efficiently using a symbolic logic proof generator, input the premises and the conclusion of the argument into the tool. Then, follow t
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Electrical Engineering









What is tertiary bus in substation?


Asked by Anonymous



Ah, a tertiary bus in a substation is like a happy little connector Cheap Proxies that helps distribute power evenly. It's an extra busbar system that provides a backup or ad
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Electrical Engineering









Why does the filament lamp does not follow Ohms Law give any example?


Asked by Anonymous



Well, honey, the filament lamp doesn't give a hoot about Ohm's Law because its resistance changes with temperature. As the current increases, the temperature of
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Electrical Engineering









What does ohbr stand for when referring to reyrolle 275 and 400Kv circuit breakers?


Asked by Anonymous



In the context of Reyrolle 275 and 400kV circuit breakers, "OHBR" stands for "Overhead Bridge Restraint." This refers to a mechanism designe
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Electrical Engineering









What is Bkw and how convert it to Kw?


Asked by Anonymous



Kindly convert 5.44 BKW to kwAnswerIf, by 'Bkw', you mean 'brake kilowatts', then it's already in kilowatts! Incidentally, the symbol for kilowatt is 'kW', not
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