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What happens when the primary winding is energized and the secondary winding is open circuited?
A voltage appears between the terminal points of the secondary winding
What is transformer tapped secondary?
A 'tap' is a connection made part-way along the length of a transformer's winding. In the case of a standard North American distribution transformer, the 240-V secondary winding is centre tapped and earthed, providing both a 240-V (across the entire secondary) and a pair of 120-V (between each end, and the centre tap) supplies to a building.
What will happen if a phase and neutral test by a mutimeter shows continuity?
If the test shows that there is a continuity between the phase leg and the neutral with no load connected, then that circuit should not be energized. If the circuit was energized then the fuse or breaker protecting that leg will trip the circuit open.
Why you not use auto transformer for distribution purpose?
because autotransformer used for both purpose step up and step down but dustrubution need step down in case of this autotransformer not used for dustrubtion purpouseAnswerBecause an autotransformer (not 'auto transformer') does not provide electrical isolation between the secondary and primary.
What type of voltage is passed trough a transformer?
Voltage doesn't 'pass through' anything! Voltage is another word for 'potential difference', and is measured between two points in a circuit. For a transformer to work, it's necessary to apply an a.c. voltage across the transformer's primary terminals.
What happens when the primary winding is energized and the secondary winding is open circuited?
A voltage appears between the terminal points of the secondary winding
What is the difference between primary electrical distribution and secondary distribution?
Primary electrical distribution carries medium voltage power to distribution transformers near the customers. Secondary electrical distribution transfers the power from the transformer to the households.
What is difference between primary and secondary distribution of overheads with reciprocity?
Primary is the part that originally has all of the supplies, such as the distributor. The secondary would be the store that is selling the products.
What size cable is used for the high voltage connections between the source primary distribution center and the secondary distribution centers?
#1/0 5-KV insulated aluminum cable
What is the difference between an isolation transformer and distribution transformer?
in isolation transformer earthing is not provide on secondary side but in ordinary transformer neutral of secondary side is earthedAnswerAn isolation transformer is a 1:1 ratio transformer; its function is to electrically isolate the secondary side from the primary side without changing the voltage. An example of an isolation transformer is the one used in a shaver socket.A distribution transformer is a step-down transformer, used within the electricity network's distribution system. An example of distribution transformer is a pole-mounted transformer, supplying low voltage to residences.(Of course, all mutual transformers provide electrical isolation between primary and secondary.)
What is the difference between process plant pre-commissioning and commissioning?
Pre-commissioning is the testing of non-energized systems. Commissioning is the testing of energized systems.
Similarities between primary and secondary research?
what is the similarities between primary and secondary data
What are the differences between discrete and continuous distribution?
discrete distribution is the distribution that can use the value of a whole number only while continuous distribution is the distribution that can assume any value between two numbers.
The difference between primary and secondary reserves?
what are the diffrence between primary reserve and secondary reserve?
Which gender is an increase in the body fat a secondary sex characteristic of?
Females usually experience an increase in body fat during puberty as a secondary sex characteristic.
What is the difference between primary ans secondary industry?
secondary is cooler
Identify the difference between primary sector and secondary?
Identify the difference between primary sector and secondary sector
