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What else can I help you with?
When working on a current transformer the secondary windings must be?
When working on a current transformer the secondary windings must be shorted. <<>> Properly loaded
Working of MOSFET base inverter?
what is the main function of transformer in inverter
What is the working of oil level indicator of transformer?
The oil level indicator in a transformer is used to show the oil level.
What happens when input voltage is fed to the secondary winding of a transformer?
The transformer operates in reverse. In other words, a step-down transformer becomes step-up, and vice-versa. Example: a transformer with a 480 volt primary and 120 volt secondary: Ratio = 4:1 (480/120=4) Fed in reverse - Ratio = 1:4 Apply 120 volts, output is 480. Note that if you accidentally reverse the transformer, still feeding it with 480 volts, the output would be 1920 volts (480 X 4 = 1920) - probably not a good thing!
How does an auxiliary transformer work?
Auxiliary transformer- current transformer The current transformer is working based on two theories. 1.Ampheres law. 2.Faradays law. Amp.law- whenever a current flows through the conductor it will produce magnetic flux around the conductor. based on above principle- current flows through the primary will induce a magnetic flux in the CT core. Faraday law- whenever a conductor cuts the magnetic flux or magnetic flux cuts the conductor will induce a emf across the conductor based on above principle- the magnetic flux in the core will cuts the windings. so emf is induced across the secondary terminals . whenever the secondary terminals connected with burden will make a closed path and current flows through the secondary to burden.
When working on a current transformer the secondary windings must be?
When working on a current transformer the secondary windings must be shorted. <<>> Properly loaded
Is it dangerous to run an appliance with more watts than the transformer?
A transformer has a rating that is usually expressed in KVA. This is approximately a wattage rating. It is not dangerous but it can be the cause of some concern. An appliance has a set current that is draws. This current times the voltage is the appliance's wattage. The same goes for the transformer. It only has a certain capacity to supply a specific current that is governed by its KVA (watts). Driving the transformer beyond its rated capacity tends to heat the transformer beyond its working temperature. If left in this over current draw the transformer's windings insulation will break down and the windings will short circuit. This is usually the end of a working transformer. So short answer, more watts (amps) from appliance equals burned out transformer.
WHAT IS the working principal of electrical transformer?
to provide required current one ckt to another without change in frequency
Why transformer not working in dc supply?
Because it is only possible to have a voltage in the secondary winding when the current in the primary is changing. This is why only alternating current can be used for transformers.
Which instrument transformer mostly used in relays?
Both Current and Potential Transformers are used for relays according to the working of relay.
How do you work transformer?
The working of a transformer depends on the Faraday Law of Electromagnetic Induction.
What is the principle of transformer working Explain the working principle of transformer on no load?
Transformer is a static electrical device used to step up or step down the voltage with the help of primary and secondary windings.
How can we increase the voltage of current by ash making electricity?
just try using the primary and secondary coils just as like the working of step up transformer
Safety precaution in bench work?
what are the safety precautions in bench working
What types of current transformer?
Current transformer are used for measuring current in a bus bar without disconnecting it by means of ammeter.There are three types 1.bar type current transformer 2.toroidal current transformer 3.wound type current transformer
Do you have to disconnect car battery?
If working on the electrics of a car then it is a sensible precaution to disconnect the battery.
How do I install a doorbell transformer?
To install a doorbell transformer, first turn off the power to the area where you will be working. Locate the existing transformer and disconnect the wires. Mount the new transformer in a suitable location near an outlet. Connect the wires to the new transformer, following the manufacturer's instructions. Turn the power back on and test the doorbell to ensure it is working properly.
