Which of the following distribution system is more reliable and efficient? (2024)

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Which of the following distribution system is more reliable and efficient?

Ring main distribution system is more reliable than other distribution systems.

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Which distribution system is more efficient?

Hence direct current distribution system offers the best economy at high voltages.

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Which of the following distribution systems are preferred for good efficiency?

(ii) Considering the AC system, the 3-phase AC system is most suitable for transmission as well as distribution due to two reasons. Firstly, there is a considerable saving in conductor material. Secondly, this system is convenient and efficient.

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What is a good distribution system?

Some of the requirements of a good distribution system are : proper voltage, availability of power on demand and reliability. REQUIREMENTS OF A DISTRIBUTION SYSTEM. A considerable amount of effort is necessary to maintain an electric power supply within the requirements of various types of consumers.

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What is reliability in distribution system?

Reliability of a power distribution system is defined as the ability to deliver uninterrupted service to customer. Distribution system reliability indices can be presented in many ways to reflect the reliability of individual customers, feeders and system oriented indices related to substation.

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Which distribution system is most reliable?

Ring main distribution system is more reliable than other distribution systems. Radial Distribution System: This system is used only when substation is located at the center of the consumers. In this system, different feeders radiate from a substation and feed the distributors at one end.

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Which channel of distribution is the most efficient?


A retailer is one of the most popular and effective distribution channels. Retailers include supermarkets, department stores, specialty stores and big-box retailers. Today marketers working with retailers can put their products in physical stores, online stores or both.

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Why AC distribution is preferred than DC distribution?

AC power can easily be step-up or step down with the help of a transformer which is not possible in the case of DC power. Electricity that is coming to our homes is AC because it comes from a far away power generation plant so the loss of energy during transmission is very less in the case of AC power than DC power.

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What is an efficient distribution management?

Effective distribution management involves selling your product while assuring sufficient stocks in channels while managing promotions in those channels and their varying requirements.

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What is the efficiency of a distribution?

Distributive efficiency is when the consumer goods in an economy are distributed so that each unit is consumed by the individual who values that unit most highly compared to all other individuals.

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Why is normal distribution the best?

Answer. The first advantage of the normal distribution is that it is symmetric and bell-shaped. This shape is useful because it can be used to describe many populations, from classroom grades to heights and weights.

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Why is normal distribution better?

One reason the normal distribution is important is that many psychological and educational variables are distributed approximately normally. Measures of reading ability, introversion, job satisfaction, and memory are among the many psychological variables approximately normally distributed.

Which of the following distribution system is more reliable and efficient? (2024)
What is better than normal distribution?

T-distributions have a greater chance for extreme values than normal distributions, and as a result have fatter tails. The t-distribution is the basis for computing t-tests in statistics.

What are the 3 types of reliability?

Reliability refers to the consistency of a measure. Psychologists consider three types of consistency: over time (test-retest reliability), across items (internal consistency), and across different researchers (inter-rater reliability).

How do you get a reliable distribution system?

Reliability of the electric power system can be increased by either shortening the duration of the interruptions of the power supply or by lowering the frequency by which interruptions occur. The probability that a component in the system will fail is generally increased when the number of components rises.

What are the three types of system reliability?

A: The three approaches to Reliability Physics are: (1) Empirical (2) Statistical and (3) Physical.

What is the most common distribution system?

The most common distribution system consists of simple radial circuits (feeders) that can be overhead, underground, or a combination. From the distribution substation, feeders carry the power to the end customers, forming the medium-voltage or primary network, operated at a medium voltage level, typically 5–35 kV.

Which distribution system is commonly used?

The most commonly used primary distribution voltages are 11 kV, 66 kV and 33 kV, but this differs from country to country. One to economic considerations, primary distribution is carried out by 3-phase, 3-wire system.

Why is distribution system reliability important?

The reliability of distribution system of electricity is one of the most important indicators to measure the ability that the power supply system sends electric power to the load continually.

What are the best distribution channels?

These are the 8 most important distribution channels to know:
  1. Direct Sales. ...
  2. Retailer. ...
  3. Intensive Distribution. ...
  4. Selective Distribution. ...
  5. Exclusive Distribution. ...
  6. Dual Distribution. ...
  7. Wholesaler. ...
  8. Channel Partners or Value-Added Resellers.
May 20, 2022

What are the 4 types of distribution?

Four types of distribution are direct selling, selling through intermediaries, dual distribution, and reverse distribution.

What is distribution channel efficiency?

Channel efficiency definition: channel efficiency is the measure of a content distribution channel's ability to reach the target audience based on the cost of use. The cost factor of channel efficiency is calculated on a number of business-specific factors, such as: Marketing budget. Advertising budget.

Why AC is more reliable than DC?

AC can be transmitted across long distances without much energy loss, unlike DC. The power loss during transmission in AC is less when compared to DC.

Is DC more efficient than AC?

DC HVAC motors operate at least 50% more efficiently than AC motors, so this switch alone saves a significant amount of energy. Integrating more DC power distribution systems into our way of life creates an incentive for more DC-powered technologies capable of increasing efficiency within buildings.

Is AC better or DC better?

Alternating current is cheaper to generate and has fewer energy losses than direct current when transmitting electricity over long distances. Although for very long distances (more than 1000 km), direct current can often be better.

What makes distribution quick and efficient?

There are three high-level ways to increase channel efficiency: Increasing or carefully picking the channel intermediaries. Increasing the focus on supply chain management. Consolidating all channels into a single, strong channel.

What are the best distribution strategies?

Distribution Strategies Types
  • Direct distribution. Direct distribution involves the manufacturer taking orders and sending its products directly to the consumer. ...
  • Indirect distribution. ...
  • Intensive distribution. ...
  • Selective distribution. ...
  • Exclusive distribution.
Jul 1, 2022

What is the efficiency of a DC?

The efficiency of a DC generator is defined as the ratio of mechanical input power to the output electrical power.

What is the efficiency of a DC circuit?

An ideal DC-DC converter would have 100% efficiency, operate over arbitrary input- and output-voltage ranges, and supply arbitrary currents to the load.

Why is efficient distribution important?

An efficient distribution network allows for wider customer reach because it should ideally enhance the speed at which products reach the end consumer and opens up opportunities to reach other geographic areas.

Is normal distribution perfect?

A normal distribution comes with a perfectly symmetrical shape. This means that the distribution curve can be divided in the middle to produce two equal halves. The symmetric shape occurs when one-half of the observations fall on each side of the curve.

Why is the normal distribution so common?

The reason it's so common is because many phenomena have typical or 'mean' values due to their underlying causes (such as genetics), plus random variation caused by a host of chance effects.

What is normal distribution vs standard normal distribution?

The difference between a normal distribution and standard normal distribution is that a normal distribution can take on any value as its mean and standard deviation. On the other hand, a standard normal distribution has always the fixed mean and standard deviation.

What is a good example of normal distribution?

All kinds of variables in natural and social sciences are normally or approximately normally distributed. Height, birth weight, reading ability, job satisfaction, or SAT scores are just a few examples of such variables.

What are the advantages of Poisson distribution?

The advantage of the Poisson distribution, of course, is that if N is large you need only know p to determine the approximate distribution of events. With the binomial distribution you also need to know N.

What is true about the T distribution?

Like the normal distribution, the t-distribution has a smooth shape. Like the normal distribution, the t-distribution is symmetric. If you think about folding it in half at the mean, each side will be the same. Like a standard normal distribution (or z-distribution), the t-distribution has a mean of zero.

Should I use t-distribution or normal distribution?

You must use the t-distribution table when working problems when the population standard deviation (σ) is not known and the sample size is small (n<30). General Correct Rule: If σ is not known, then using t-distribution is correct. If σ is known, then using the normal distribution is correct.

What is the best type of reliability?

Inter-rater reliability is one of the best ways to estimate reliability when your measure is an observation. However, it requires multiple raters or observers. As an alternative, you could look at the correlation of ratings of the same single observer repeated on two different occasions.

What are 2 examples of reliability?

When a measurement is consistent it's reliable. But of course, reliability doesn't mean your outcome will be the same, it just means it will be in the same range. For example, if you scored 95% on a test the first time and the next you score, 96%, your results are reliable.

What are the 4 types of reliability?

There are four main types of reliability.
The 4 Types of Reliability in Research | Definitions & Examples.
Type of reliabilityMeasures the consistency of…
Test-retestThe same test over time.
InterraterThe same test conducted by different people.
Parallel formsDifferent versions of a test which are designed to be equivalent.
3 more rows
Aug 8, 2019

Which of the following distributions is most generally used in reliability analysis?

The normal distribution is commonly used for general reliability analysis, times-to-failure of simple electronic and mechanical components, equipment or systems.

What is a reliable system?

Reliability can be defined as the probability that a system will produce correct outputs up to some given time t. Reliability is enhanced by features that help to avoid, detect and repair hardware faults. A reliable system does not silently continue and deliver results that include uncorrected corrupted data.

What makes a reliable system?

Reliable systems are those that can continuously perform their core functions without service disruptions, errors, or significant reductions in performance.

What is an example of reliability of a system?

Reliability is complementary to probability of failure, i.e. R(t) = 1 –F(t) , orR(t) = 1 –Π[1 −Rj(t)] . For example, if two components are arranged in parallel, each with reliability R 1 = R 2 = 0.9, that is, F 1 = F 2 = 0.1, the resultant probability of failure is F = 0.1 × 0.1 = 0.01.

Which distribution system is preferred for good efficiency and high economy?

Which of the following distribution system is preferred for good efficiency and high economy? Explanation: 3-phase, 4-wire system distribution system is preferred for good efficiency and high economy.

Which distribution system is cheapest?

Thus, the main characteristic of a radial distribution system is that the power flow is in only one direction. It is the simplest system and has the lowest initial cost but it is not highly reliable.

Which distribution system is the lowest and cheapest?

The Radial distribution system is the cheapest to build, and is widely used in sparsely populated areas. A radial system has only one power source for a group of customers.

Which economic system is most efficient?

As many in history have experienced, capitalism is the ideal economic system for people around the world. Again, capitalism produces wealth and innovation, improves the lives of individuals, and gives power to the people.

Why is ring main distribution system preferred to a radial system?

Ring main distribution system is the most preferred due to its following advantages: There are fewer voltage fluctuations at the consumer's terminal. The system is very reliable as each distribution transformer is fed with two feeders.

Why are AC distribution system preferred over DC distribution system?

AC can be easily transformed to DC with the help of rectifiers whereas in DC it is not possible. AC can be easily stepped up or stepped down by transformers whereas in DC it is not possible because transformers work on a changing emf principle. Generation of AC is cheaper than DC power.

What are the 4 types of distribution management?

4 distribution management channels
  • Wholesaler. Wholesalers offer either raw materials or finished goods in bulk at a low price and can be sold to manufacturers, distributors, or retailers. ...
  • Retailer. A retailer has the option to work directly with a wholesaler, manufacturer, or supplier. ...
  • Distributor. ...
  • Ecommerce.
Aug 4, 2021

What are the 4 types of distribution channel?

Distribution channels include wholesalers, retailers, distributors, and the Internet.

Which distribution system is simplest?

The radial system is employed at low voltage and the substation is located at the center of the load. This is the simplest distribution circuit and has the lowest initial cost.

What are the three types of distribution system?

In general, there are three types of distribution systems: radial, loop and network.

What is the simplest and shortest distribution channel?

The direct-to-consumer model allows the customer to purchase a product from the manufacturer without using intermediaries. This model is the shortest distribution channel and cuts out both the wholesaler and the retailer.

What is the most expensive form of distribution but also the fastest?

Air transport is the fastest, but also the most expensive mode of shipping.

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