Disadvantages of power Transformers depend on the type of transformer. Some disadvantages to three phase power transformers include greater cost of standby units and issues with repairs should one phase fail or be damaged.
THE disadvantage of using high power objective is to
its power output is not predictable
The steps involved in doorbell transformer installation are: Turn off the power to the doorbell circuit. Locate the existing transformer or install a new one near the electrical panel. Connect the transformer to the power source using electrical wiring. Connect the transformer to the doorbell system using low-voltage wiring. Test the doorbell to ensure it is working properly. Secure the transformer in place and restore power to the circuit.
To hook up a doorbell transformer, first turn off the power to the area where you will be working. Locate the transformer near your electrical panel. Connect the transformer to a power source using electrical wire, making sure to match the wire colors. Then, connect the transformer to the doorbell system using low-voltage wire. Test the doorbell to ensure it is working properly before turning the power back on.
no transformer is not necessary for rectification today most of power supplies have been made without using transformer in order to reduce weight and size of power supply.for example SMPS(switch mode poqwer supply)
ideal transformer is that which has no power losses.if any transformer transfer power to secondary without power loss then that call a ideal transformer
No. In an amplifier, Power Out > Power in. In a transformer Power Out ~= Power In (minus internal losses). An AC generator is more like an amplifier than a transformer.
A power transformer is used to provide power (to your home, for example), an instrument transformer is used to measure voltage or current (for metering, for example).
You cannot 'change' the 'rated power' of a transformer except by changing the transformer for another one. You can, though, operate the transformer below its rated power or, for short periods of time, operate the transformer aboveits rated power.
One major disadvantage of using nuclear power to generate electricity is the production of radioactive waste that remains hazardous for thousands of years. Proper disposal and management of this waste is a significant challenge.
ideal transformer is that which has no power losses.if any transformer transfer power to secondary without power loss then that call a ideal transformer
To avoid voltage drop in the coil.