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The electrical power required for a lift (elevator) can be calculated using the formula: Power (P) = Work done (W) / Time (t). The work done is determined by the weight of the load multiplied by the height it is lifted (W = weight × height). For a more precise calculation, factors such as efficiency, friction, and speed of the lift should also be considered, as they can impact the total power requirement.
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Why low power factor draws more current than high powerfactor electrical system?
A low power factor indicates that a larger proportion of the electrical power is used for reactive power rather than active power, meaning that more current is required to deliver the same amount of usable power. In an electrical system, this leads to increased current flow in the conductors, which can cause higher losses in the form of heat and potentially overloading equipment. Consequently, maintaining a high power factor is essential for efficient power distribution and minimizing energy losses.
What is the application of generator and motors?
A generator converts mechanical power into electrical power. A motor converts electrical power into mechanical power.
What is mean electrical power triangle?
the electrical power triangle is as shown in the above pictiure
How do you transmit electrical power from power house to customers?
The power runs through electrical circuits that are mapped out by the city.
When is kvar used?
KVAR, or kilovolt-ampere reactive, is used to measure reactive power in an electrical system. It is essential in AC power systems to quantify the power that does not perform any real work but is necessary for maintaining voltage levels and supporting the magnetic fields required by inductive loads like motors and transformers. KVAR is crucial for maintaining power factor and ensuring efficient operation of electrical systems.
If it takes 3400J to lift a rock onto a ledge what power is required to lift the rock onto the ledge in 4 seconds?
If it takes 3400J to lift a rock onto a ledge, what power is required to lift the rock onto the ledge in 4 seconds Power is energy per unit time. It is measured in watts (joules per second). As such if 3400 joules is transfeered in 4 seconds, the power equals 3400 / 4. The power required is therefore 850 watts.
How much electrical power is required to run this steam cleaner?
This steam cleaner does not use any electrical power.
What type of electrical power is required for elevator use in bldg?
What type of power do elevators require?
What qualification is required to bd a xen in wapda pak?
Msc electrical (power)
What is the power rating of a machine to lift a crate in 5 seconds?
That really depends on the weight of the crate. Also, on how high you want to lift it. Calculate the energy required to lift the crate with the formula for gravitational potential energy: PE = mgh (mass x gravity x height) Then divide this by the 5 seconds to get the minimum power required. (The actual power is somewhat larger, for various reasons - the initial acceleration required, and losses due to friction.)
What is the power of an electrical appliance?
It depends on the appliance. All appliances are required to have a 'nameplate' which contains information on their power and voltage ratings.
What qualification is required to be an sdo in wapda Pakistan?
matriculate must
Where can I view a Diagram of lift gate?
Electrical Lift Diagram
How much power is required to lift a 2.0 kg mass at a speed of 2.0 ms?
4 watts 39.2 watts
Why battery is required in UPS?
In an uninterrupted power supply there has to be a source of power when the electrical utility is not there. The only supply that is available is a battery that is in or connected to the UPS.
What is the role of electrical engineer in oil storage plant?
the role of an electrical engineer is to produce the required amount of power which is being needed as the site remains far away from the regional power companies, also to control and regulate the electrical power continuously. and to maintain the automatic supply of power and also to maintain the working machinery.
What is required for a space ship to lift off?
lift and thrust
