What is power quality monitoring?

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asked Mar 10, 2018 by anonymous

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What is harmonic in power quality?

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What are the different power quality issues?

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asked Sep 10, 2017 by anonymous

why power quality is important?

Last answer: Power quality is important because the electrical appliances will works better and will be safer and less loss in energy. Low energy waste and improves stability of power system .

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asked Sep 10, 2017 by anonymous

how to monitor power quality?

Last answer: By applying various power quality monitoring devices and using telecommunication technique .

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asked Sep 22, 2018 by anonymous

Explain energy conservation technique “by improving power quality” for induction motor.

Last answer: Energy conservation method in induction motor by improving power quality: Electrical energy can be conserved by improving the power quality. It can be achieved by avoiding voltage unbalance, maintaining ... losses can be minimized by using harmonic filter thus reducing the harmonics in the system.

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asked Aug 31, 2018 by anonymous

Quality control is aimed at:

Quality control is aimed at: a. Maintaining the desired quality b. Exceeding the desired quality c. Continuously improving the quality d. Following the quality

Last answer: Quality control is aimed at: a. Maintaining the desired quality b. Exceeding the desired quality c. Continuously improving the quality d. Following the quality

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asked Mar 10, 2018 by anonymous

Explain various performance parameter used to evaluate the quality of inverters.

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asked Mar 10, 2018 by anonymous

What is the use of power factor correction?

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asked Mar 10, 2018 by anonymous

What is the best power factor?

Last answer: It is unity power factor but difficult to achieve in dynamic loads

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asked Mar 10, 2018 by anonymous

What is power factor angle?

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asked Mar 10, 2018 by anonymous

What is a digital power meter?

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asked Mar 10, 2018 by anonymous

What is an RF Power Meter?

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asked Mar 10, 2018 by anonymous

What is the advantage of high power factor?

Last answer: Reduced copper losses Smaller conductor size Improve voltage regulation Increase system capability Less energy bill

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asked Mar 10, 2018 by anonymous

What is power logger?

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asked Mar 10, 2018 by anonymous

What is meant by power dip?

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asked Mar 10, 2018 by anonymous

What causes random power outages?

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asked Mar 10, 2018 by anonymous

What can you do to prevent a power surge?

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asked Mar 10, 2018 by anonymous

What would cause a power surge in a house?

Last answer: If your neibour / other flat owners / your maintainer staff switch on any type of inductive load that can cause power surge / dip

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70 views 1 answer

asked Mar 10, 2018 by anonymous

Can you have a power factor greater than 1?

Last answer: We cannot have power factor greater than 1. As it is a measure of cosine of angle between voltage and current.

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103 views 1 answer

asked Mar 10, 2018 by anonymous

Why do we need to correct power factor?

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asked Mar 10, 2018 by anonymous

How do you measure power factor?

Last answer: P= 1.83*V*I*COS@ where P is power V is voltage I is current COS @ is P.F COS@= P/(1.83*V*I) in other way cos @ = true power/apparent power

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66 views 1 answer

asked Mar 10, 2018 by anonymous

Can a power surge erase a hard drive?

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asked Mar 10, 2018 by anonymous

Can power surge damage your computer?

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asked Mar 10, 2018 by anonymous

How often do power surges occur?

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asked May 17, 2020 by anonymous

What is the value of capacitance required to improve power factor from 0.7 to 0.9.

What is the value of capacitance required to improve power factor from 0.7 to 0.9. Given that: Real power = 50 W Vrms of the source = 120 Frequency = 50 Hz #powerfactor

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asked Jun 28, 2019 by anonymous

What is the unit of electric power?

Options: A) WATT B) AMPERE C) VOLTS D) OHM

Last answer: Correct Answer: A) WATT

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asked Nov 6, 2018 by Power system

What is power serving in e-motors

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asked Sep 7, 2018 by anonymous

What is the choice of size and number of generator units in interconnected power system?

Last answer: Choice of Size and Number of Generating Units: 1. The size/rating and number of generating units in such way that they approximately match with the load curve as closely as possible. 2. In ... , if power plant is connected to grid system then generating unit of higher capacity can be installed.

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asked Sep 4, 2018 by anonymous

What is need of regulated power supply?

Last answer: A regulated power supply is used to ensure that the output remains constant even if the input changes. But sometimes main supply voltage, load, and surrounding temperature keep changing and altering the ... power supply is needed that will accept an AC input and give a constant DC output.

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asked Jun 18, 2018 by anonymous

What is the Power Supply specification for 8085AH microprocessor?

What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins

Last answer: What is the Power Supply specification for 8085AH microprocessor? A) Single +5V supply with 10% voltage margins B) Dual +5V supply with 10% voltage margins C) Single +10V supply with 5% voltage margins D) Dual +5V supply with 5% voltage margins

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asked Apr 29, 2018 by anonymous

What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016

What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these

Last answer: What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these

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asked Mar 19, 2018 by anonymous

What is the maximum value of power factor?

Last answer: 1 is the maximum value of power factor.

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asked Mar 16, 2018 by anonymous

What is the power factor of purely resistive circuit?

What is the power factor of purely resistive circuit.

Last answer: Unity that is 1

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asked Mar 15, 2018 by anonymous

What is the relationship between power and resistance?

Last answer: P = I2R Where P = power I = Current R = Resistance

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asked Mar 15, 2018 by anonymous

What is the relationship between power and current?

Last answer: P = I2R Where P = power I = Current R = Resistance This the relationship between current and power.

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asked Mar 11, 2018 by anonymous

What is the symbol for AC power?

Last answer: If you need to measure alternating current in a circuit, different multimeters have different symbols to measure it (and the corresponding voltage), usually "ACA" and "ACV," or "A" and "V" with a squiggly line (~) next to or above them.

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What is base load and peak load power plants?

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What is a high tension power line?

Last answer: High tension power line is a high voltage of 115 kv and power line is underground transimissio used by urbun areas

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What is the purpose of the turbines in coal fired power plants?

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What is the largest power plant in the world?

Last answer: japam

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What is the most common type of power plant?

Last answer: Hydroelectric power plant.

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What is sag in power system?

Last answer: Sag is a catenary curve in between two points of supporters.and also we can say the lowest point of the conductor in between the two points of supporters.

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asked Mar 10, 2018 by anonymous

What is meant by feeder in power system?

Last answer: A feeder line is a peripheral route or branch in a network which connects smaller or more remote nodes with a route or branch carrying heavier traffic. The term is applicable to any system based on a hierarchical network.

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78 views 1 answer

What is power quality monitoring?

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