In some countries it is found that an Earthing Transformer
is connected at the LV sides of the Transmission and
Distribution Substation Transformers.Actually what is the
purpose the Earthing Transformer?
Answer Posted / gunasekaran
in this transformer is delta connected secondary so there
is no provision for earth fault protection so they are
using earthing transformer for earth fault protection.
another purpose it will reduce the inrush current it is
zigzag nature so its reluctance is more than ordinary
transformer so it is like that
Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
what is the clear formula to calculate cable size for a load
IN 1000kva transformer where the oil and winding temperature sensors is connected
how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.
i have gear oil pump with single phase motor.some time its motor starts running in reverse direction rather than forward direction...whats the reason behind this issue. 1- either capacitor is week? 2- or winding is week?
in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know
please send me latest & previous years question papers for IOCL Technical level questions
PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?
Which power will flow first if we switch on a motor Active or Reactive? How?
dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour
What are the advantages of the three-phase motor over single phase motor?
TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?
what is current check gurd relay?
1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?
Explain the advantages and disadvantages of thermal power plant?
hi I have done 3 yrs diploma in electrical engg after 10+2. I have 16 years of work experience into design proposals sales and engg application development in LV/MV swithcgear and sub station automation field. I want to apply for immigration to new zealand but I am not sure whether I qualify or not since I dont have a degree. Can anyone advice? Thanks Riz