Power Line Transformer Diagram. Two poles two set of conductors in transmission line one positive with respect to earth other negative the mid point of bi poles in each terminal is earthed via an electrode line and earth electrode. It is sometimes also called as an electrical power systema power grid consists of generating stations power plants transmission system and distribution system.
In a delta connected dd group of transformers the line voltage vl is equal to the supply voltage vl vs. But the current in each phase winding is given as. Full insulation required on high voltage winding.
Taps should be adjusted if necessary to match the available line voltage.
Traps 3rd harmonics circulating currents disadvantages of delta delta connection. Each three conductor set of power wires is shown as a single line each transformer appears as a single primary winding and single secondary winding rather than three of each each motor and generator is a simple circle rather than a. Using a zener diode instead of a resistor for z 2 produces a better power supply which maintains constant output voltage despite changes in input voltage or load current. Single line diagram.