Where should transformers be placed?
Transformers should be located at least 12 in. to 18 in. away from walls and other obstructions that might prevent free circulation of air through and around each unit, unless the unit is designed for wall mounting and installed per the manufacturer.
What are the requirements of installing the pole mounted transformer?
What Factors Should Be Considered While Installing A Transformer?
- Location. One special consideration to be made in case of liquid-filled transformers includes their location. …
- Ventilation. …
- Grounding. …
- Wiring. …
- Mounting. …
- Humidity. …
- Fluid check. …
- Pressure maintenance.
How do you mount a transformer?
Remove the transformer from the wall. Drill bottom anchor holes and install the anchors. Place the transformer back on top of the uppermost mounting screw and install screws into the anchors at the bottom of the transformer to secure it to the wall.
What do pole transformers do?
Transformers convert higher voltage electricity carried by primary wires and lowers the voltage for use by customers. Guy wires help stabilize utility poles. A ground wire runs the entire length of the pole. It directs any electricity on the pole safely into the earth.
How much copper is in a pole transformer?
But what about cost? Rahangdale says, In a typical large transformer, 50% of the cost is in materials. Of that, about 15% to 20% is for copper and an equal percentage is for steel structural members and core laminations with the remainder in oil, insulation and the rest.
Do transformers need to be bolted down?
These units can be floor or platform mounted but must always be in a vertical position with the mounting feet down. The ventilating openings of this transformer must not be blocked or restricted in any way that will reduce the flow of air through the transformer.
Which transformer is used in 33 11kV substation?
To step down the 33kV primary voltage to 11kV suitable for distribution purpose. One 33kV/0.415 auxiliary transformer was also needed to supply the substation with reliable AC power.
Who is responsible for power line from pole to house?
The customer/owner is responsible for installing, maintaining and repairing all equipment beyond theservice connection point except for the electric meter. If you receive overhead electric service, your electric system con- sists of the following: 1. Electric Lines that run from the utility pole to your residence.
What are the 3 wires from pole to house?
The service drop leads from the utility pole lines to a home. It is made up of three conductor wires. Two of them are insulated wires that carry electricity from the transformer; the third is a bare neutral wire that connects to the grounding wire. These lines have a voltage of 120 to 240 volts.